[U-Boot] [RFC PATCH 1/6] integratorap: split pci support
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com Cc: Peter Pearse Peter.Pearse@arm.com --- board/armltd/integratorap/Makefile | 19 +- board/armltd/integratorap/integratorap.c | 946 ++++++-------------- .../armltd/integratorap/{integratorap.c => pci.c} | 262 +------ 3 files changed, 302 insertions(+), 925 deletions(-) rewrite board/armltd/integratorap/integratorap.c (63%) rename board/armltd/integratorap/{integratorap.c => pci.c} (69%)
diff --git a/board/armltd/integratorap/Makefile b/board/armltd/integratorap/Makefile index 79f501a..a6193c7 100644 --- a/board/armltd/integratorap/Makefile +++ b/board/armltd/integratorap/Makefile @@ -29,18 +29,21 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
-COBJS := integratorap.o flash.o -SOBJS := lowlevel_init.o +SOBJS-y := lowlevel_init.o
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) +COBJS-y := integratorap.o +COBJS-y += flash.o +COBJS-$(CONFIG_PCI) += pci.o
-$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) +SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +COBJS := $(addprefix $(obj),$(COBJS-y)) +SOBJS := $(addprefix $(obj),$(SOBJS-y)) + +$(LIB): $(obj).depend $(COBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(COBJS) $(SOBJS)
clean: - rm -f $(SOBJS) $(OBJS) + rm -f $(SOBJS) $(COBJS)
distclean: clean rm -f $(LIB) core *.bak $(obj).depend diff --git a/board/armltd/integratorap/integratorap.c b/board/armltd/integratorap/integratorap.c dissimilarity index 63% index 5ececd6..d458fe6 100644 --- a/board/armltd/integratorap/integratorap.c +++ b/board/armltd/integratorap/integratorap.c @@ -1,656 +1,290 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger mgroeger@sysgo.de - * - * (C) Copyright 2002 - * David Mueller, ELSOFT AG, d.mueller@elsoft.ch - * - * (C) Copyright 2003 - * Texas Instruments, <www.ti.com> - * Kshitij Gupta Kshitij@ti.com - * - * (C) Copyright 2004 - * ARM Ltd. - * Philippe Robin, philippe.robin@arm.com - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> - -#ifdef CONFIG_PCI -#include <pci.h> -#endif - -#include <netdev.h> - -DECLARE_GLOBAL_DATA_PTR; - -void flash__init (void); -void ether__init (void); -void peripheral_power_enable (void); - -#if defined(CONFIG_SHOW_BOOT_PROGRESS) -void show_boot_progress(int progress) -{ - printf("Boot reached stage %d\n", progress); -} -#endif - -#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF) - -static inline void delay (unsigned long loops) -{ - __asm__ volatile ("1:\n" - "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0" (loops)); -} - -/* - * Miscellaneous platform dependent initialisations - */ - -int board_init (void) -{ - /* arch number of Integrator Board */ - gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0x00000100; - - gd->flags = 0; - -#ifdef CONFIG_CM_REMAP -extern void cm_remap(void); - cm_remap(); /* remaps writeable memory to 0x00000000 */ -#endif - - icache_enable (); - - flash__init (); - return 0; -} - - -int misc_init_r (void) -{ -#ifdef CONFIG_PCI - pci_init(); -#endif - setenv("verify", "n"); - return (0); -} - -/* - * Initialize PCI Devices, report devices found. - */ -#ifdef CONFIG_PCI - -#ifndef CONFIG_PCI_PNP - -static struct pci_config_table pci_integrator_config_table[] = { - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID, - pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, - PCI_ENET0_MEMADDR, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, - { } -}; -#endif - -/* V3 access routines */ -#define _V3Write16(o,v) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned short)(v)) -#define _V3Read16(o) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o))) - -#define _V3Write32(o,v) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned int)(v)) -#define _V3Read32(o) (*(volatile unsigned int *)(PCI_V3_BASE + (unsigned int)(o))) - -/* Compute address necessary to access PCI config space for the given */ -/* bus and device. */ -#define PCI_CONFIG_ADDRESS( __bus, __devfn, __offset ) ({ \ - unsigned int __address, __devicebit; \ - unsigned short __mapaddress; \ - unsigned int __dev = PCI_DEV (__devfn); /* FIXME to check!! (slot?) */ \ - \ - if (__bus == 0) { \ - /* local bus segment so need a type 0 config cycle */ \ - /* build the PCI configuration "address" with one-hot in A31-A11 */ \ - __address = PCI_CONFIG_BASE; \ - __address |= ((__devfn & 0x07) << 8); \ - __address |= __offset & 0xFF; \ - __mapaddress = 0x000A; /* 101=>config cycle, 0=>A1=A0=0 */ \ - __devicebit = (1 << (__dev + 11)); \ - \ - if ((__devicebit & 0xFF000000) != 0) { \ - /* high order bits are handled by the MAP register */ \ - __mapaddress |= (__devicebit >> 16); \ - } else { \ - /* low order bits handled directly in the address */ \ - __address |= __devicebit; \ - } \ - } else { /* bus !=0 */ \ - /* not the local bus segment so need a type 1 config cycle */ \ - /* A31-A24 are don't care (so clear to 0) */ \ - __mapaddress = 0x000B; /* 101=>config cycle, 1=>A1&A0 from PCI_CFG */ \ - __address = PCI_CONFIG_BASE; \ - __address |= ((__bus & 0xFF) << 16); /* bits 23..16 = bus number */ \ - __address |= ((__dev & 0x1F) << 11); /* bits 15..11 = device number */ \ - __address |= ((__devfn & 0x07) << 8); /* bits 10..8 = function number */ \ - __address |= __offset & 0xFF; /* bits 7..0 = register number */ \ - } \ - _V3Write16 (V3_LB_MAP1, __mapaddress); \ - __address; \ -}) - -/* _V3OpenConfigWindow - open V3 configuration window */ -#define _V3OpenConfigWindow() { \ - /* Set up base0 to see all 512Mbytes of memory space (not */ \ - /* prefetchable), this frees up base1 for re-use by configuration*/ \ - /* memory */ \ - \ - _V3Write32 (V3_LB_BASE0, ((INTEGRATOR_PCI_BASE & 0xFFF00000) | \ - 0x90 | V3_LB_BASE_M_ENABLE)); \ - /* Set up base1 to point into configuration space, note that MAP1 */ \ - /* register is set up by pciMakeConfigAddress(). */ \ - \ - _V3Write32 (V3_LB_BASE1, ((CPU_PCI_CNFG_ADRS & 0xFFF00000) | \ - 0x40 | V3_LB_BASE_M_ENABLE)); \ -} - -/* _V3CloseConfigWindow - close V3 configuration window */ -#define _V3CloseConfigWindow() { \ - /* Reassign base1 for use by prefetchable PCI memory */ \ - _V3Write32 (V3_LB_BASE1, (((INTEGRATOR_PCI_BASE + 0x10000000) & 0xFFF00000) \ - | 0x84 | V3_LB_BASE_M_ENABLE)); \ - _V3Write16 (V3_LB_MAP1, \ - (((INTEGRATOR_PCI_BASE + 0x10000000) & 0xFFF00000) >> 16) | 0x0006); \ - \ - /* And shrink base0 back to a 256M window (NOTE: MAP0 already correct) */ \ - \ - _V3Write32 (V3_LB_BASE0, ((INTEGRATOR_PCI_BASE & 0xFFF00000) | \ - 0x80 | V3_LB_BASE_M_ENABLE)); \ -} - -static int pci_integrator_read_byte (struct pci_controller *hose, pci_dev_t dev, - int offset, unsigned char *val) -{ - _V3OpenConfigWindow (); - *val = *(volatile unsigned char *) PCI_CONFIG_ADDRESS (PCI_BUS (dev), - PCI_FUNC (dev), - offset); - _V3CloseConfigWindow (); - - return 0; -} - -static int pci_integrator_read__word (struct pci_controller *hose, - pci_dev_t dev, int offset, - unsigned short *val) -{ - _V3OpenConfigWindow (); - *val = *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev), - PCI_FUNC (dev), - offset); - _V3CloseConfigWindow (); - - return 0; -} - -static int pci_integrator_read_dword (struct pci_controller *hose, - pci_dev_t dev, int offset, - unsigned int *val) -{ - _V3OpenConfigWindow (); - *val = *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev), - PCI_FUNC (dev), - offset); - *val |= (*(volatile unsigned int *) - PCI_CONFIG_ADDRESS (PCI_BUS (dev), PCI_FUNC (dev), - (offset + 2))) << 16; - _V3CloseConfigWindow (); - - return 0; -} - -static int pci_integrator_write_byte (struct pci_controller *hose, - pci_dev_t dev, int offset, - unsigned char val) -{ - _V3OpenConfigWindow (); - *(volatile unsigned char *) PCI_CONFIG_ADDRESS (PCI_BUS (dev), - PCI_FUNC (dev), - offset) = val; - _V3CloseConfigWindow (); - - return 0; -} - -static int pci_integrator_write_word (struct pci_controller *hose, - pci_dev_t dev, int offset, - unsigned short val) -{ - _V3OpenConfigWindow (); - *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev), - PCI_FUNC (dev), - offset) = val; - _V3CloseConfigWindow (); - - return 0; -} - -static int pci_integrator_write_dword (struct pci_controller *hose, - pci_dev_t dev, int offset, - unsigned int val) -{ - _V3OpenConfigWindow (); - *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev), - PCI_FUNC (dev), - offset) = (val & 0xFFFF); - *(volatile unsigned short *) PCI_CONFIG_ADDRESS (PCI_BUS (dev), - PCI_FUNC (dev), - (offset + 2)) = ((val >> 16) & 0xFFFF); - _V3CloseConfigWindow (); - - return 0; -} -/****************************** - * PCI initialisation - ******************************/ - -struct pci_controller integrator_hose = { -#ifndef CONFIG_PCI_PNP - config_table: pci_integrator_config_table, -#endif -}; - -void pci_init_board (void) -{ - volatile int i, j; - struct pci_controller *hose = &integrator_hose; - - /* setting this register will take the V3 out of reset */ - - *(volatile unsigned int *) (INTEGRATOR_SC_PCIENABLE) = 1; - - /* wait a few usecs to settle the device and the PCI bus */ - - for (i = 0; i < 100; i++) - j = i + 1; - - /* Now write the Base I/O Address Word to V3_BASE + 0x6C */ - - *(volatile unsigned short *) (V3_BASE + V3_LB_IO_BASE) = - (unsigned short) (V3_BASE >> 16); - - do { - *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA) = 0xAA; - *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA + 4) = - 0x55; - } while (*(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA) != 0xAA - || *(volatile unsigned char *) (V3_BASE + V3_MAIL_DATA + - 4) != 0x55); - - /* Make sure that V3 register access is not locked, if it is, unlock it */ - - if ((*(volatile unsigned short *) (V3_BASE + V3_SYSTEM) & - V3_SYSTEM_M_LOCK) - == V3_SYSTEM_M_LOCK) - *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) = 0xA05F; - - /* Ensure that the slave accesses from PCI are disabled while we */ - /* setup windows */ - - *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) &= - ~(V3_COMMAND_M_MEM_EN | V3_COMMAND_M_IO_EN); - - /* Clear RST_OUT to 0; keep the PCI bus in reset until we've finished */ - - *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) &= - ~V3_SYSTEM_M_RST_OUT; - - /* Make all accesses from PCI space retry until we're ready for them */ - - *(volatile unsigned short *) (V3_BASE + V3_PCI_CFG) |= - V3_PCI_CFG_M_RETRY_EN; - - /* Set up any V3 PCI Configuration Registers that we absolutely have to */ - /* LB_CFG controls Local Bus protocol. */ - /* Enable LocalBus byte strobes for READ accesses too. */ - /* set bit 7 BE_IMODE and bit 6 BE_OMODE */ - - *(volatile unsigned short *) (V3_BASE + V3_LB_CFG) |= 0x0C0; - - /* PCI_CMD controls overall PCI operation. */ - /* Enable PCI bus master. */ - - *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) |= 0x04; - - /* PCI_MAP0 controls where the PCI to CPU memory window is on Local Bus */ - - *(volatile unsigned int *) (V3_BASE + V3_PCI_MAP0) = - (INTEGRATOR_BOOT_ROM_BASE) | (V3_PCI_MAP_M_ADR_SIZE_512M | - V3_PCI_MAP_M_REG_EN | - V3_PCI_MAP_M_ENABLE); - - /* PCI_BASE0 is the PCI address of the start of the window */ - - *(volatile unsigned int *) (V3_BASE + V3_PCI_BASE0) = - INTEGRATOR_BOOT_ROM_BASE; - - /* PCI_MAP1 is LOCAL address of the start of the window */ - - *(volatile unsigned int *) (V3_BASE + V3_PCI_MAP1) = - (INTEGRATOR_HDR0_SDRAM_BASE) | (V3_PCI_MAP_M_ADR_SIZE_1024M | - V3_PCI_MAP_M_REG_EN | - V3_PCI_MAP_M_ENABLE); - - /* PCI_BASE1 is the PCI address of the start of the window */ - - *(volatile unsigned int *) (V3_BASE + V3_PCI_BASE1) = - INTEGRATOR_HDR0_SDRAM_BASE; - - /* Set up the windows from local bus memory into PCI configuration, */ - /* I/O and Memory. */ - /* PCI I/O, LB_BASE2 and LB_MAP2 are used exclusively for this. */ - - *(volatile unsigned short *) (V3_BASE + V3_LB_BASE2) = - ((CPU_PCI_IO_ADRS >> 24) << 8) | V3_LB_BASE_M_ENABLE; - *(volatile unsigned short *) (V3_BASE + V3_LB_MAP2) = 0; - - /* PCI Configuration, use LB_BASE1/LB_MAP1. */ - - /* PCI Memory use LB_BASE0/LB_MAP0 and LB_BASE1/LB_MAP1 */ - /* Map first 256Mbytes as non-prefetchable via BASE0/MAP0 */ - /* (INTEGRATOR_PCI_BASE == PCI_MEM_BASE) */ - - *(volatile unsigned int *) (V3_BASE + V3_LB_BASE0) = - INTEGRATOR_PCI_BASE | (0x80 | V3_LB_BASE_M_ENABLE); - - *(volatile unsigned short *) (V3_BASE + V3_LB_MAP0) = - ((INTEGRATOR_PCI_BASE >> 20) << 0x4) | 0x0006; - - /* Map second 256 Mbytes as prefetchable via BASE1/MAP1 */ - - *(volatile unsigned int *) (V3_BASE + V3_LB_BASE1) = - INTEGRATOR_PCI_BASE | (0x84 | V3_LB_BASE_M_ENABLE); - - *(volatile unsigned short *) (V3_BASE + V3_LB_MAP1) = - (((INTEGRATOR_PCI_BASE + 0x10000000) >> 20) << 4) | 0x0006; - - /* Allow accesses to PCI Configuration space */ - /* and set up A1, A0 for type 1 config cycles */ - - *(volatile unsigned short *) (V3_BASE + V3_PCI_CFG) = - ((*(volatile unsigned short *) (V3_BASE + V3_PCI_CFG)) & - ~(V3_PCI_CFG_M_RETRY_EN | V3_PCI_CFG_M_AD_LOW1)) | - V3_PCI_CFG_M_AD_LOW0; - - /* now we can allow in PCI MEMORY accesses */ - - *(volatile unsigned short *) (V3_BASE + V3_PCI_CMD) = - (*(volatile unsigned short *) (V3_BASE + V3_PCI_CMD)) | - V3_COMMAND_M_MEM_EN; - - /* Set RST_OUT to take the PCI bus is out of reset, PCI devices can */ - /* initialise and lock the V3 system register so that no one else */ - /* can play with it */ - - *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) = - (*(volatile unsigned short *) (V3_BASE + V3_SYSTEM)) | - V3_SYSTEM_M_RST_OUT; - - *(volatile unsigned short *) (V3_BASE + V3_SYSTEM) = - (*(volatile unsigned short *) (V3_BASE + V3_SYSTEM)) | - V3_SYSTEM_M_LOCK; - - /* - * Register the hose - */ - hose->first_busno = 0; - hose->last_busno = 0xff; - - /* System memory space */ - pci_set_region (hose->regions + 0, - 0x00000000, 0x40000000, 0x01000000, - PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); - - /* PCI Memory - config space */ - pci_set_region (hose->regions + 1, - 0x00000000, 0x62000000, 0x01000000, PCI_REGION_MEM); - - /* PCI V3 regs */ - pci_set_region (hose->regions + 2, - 0x00000000, 0x61000000, 0x00080000, PCI_REGION_MEM); - - /* PCI I/O space */ - pci_set_region (hose->regions + 3, - 0x00000000, 0x60000000, 0x00010000, PCI_REGION_IO); - - pci_set_ops (hose, - pci_integrator_read_byte, - pci_integrator_read__word, - pci_integrator_read_dword, - pci_integrator_write_byte, - pci_integrator_write_word, pci_integrator_write_dword); - - hose->region_count = 4; - - pci_register_hose (hose); - - pciauto_config_init (hose); - pciauto_config_device (hose, 0); - - hose->last_busno = pci_hose_scan (hose); -} -#endif - -/****************************** - Routine: - Description: -******************************/ -void flash__init (void) -{ -} -/************************************************************* - Routine:ether__init - Description: take the Ethernet controller out of reset and wait - for the EEPROM load to complete. -*************************************************************/ -void ether__init (void) -{ -} - -/****************************** - Routine: - Description: -******************************/ -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - -#ifdef CONFIG_CM_SPD_DETECT - { -extern void dram_query(void); - unsigned long cm_reg_sdram; - unsigned long sdram_shift; - - dram_query(); /* Assembler accesses to CM registers */ - /* Queries the SPD values */ - - /* Obtain the SDRAM size from the CM SDRAM register */ - - cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM); - /* Register SDRAM size - * - * 0xXXXXXXbbb000bb 16 MB - * 0xXXXXXXbbb001bb 32 MB - * 0xXXXXXXbbb010bb 64 MB - * 0xXXXXXXbbb011bb 128 MB - * 0xXXXXXXbbb100bb 256 MB - * - */ - sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4; - gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift; - - } -#endif /* CM_SPD_DETECT */ - - return 0; -} - -/* The Integrator/AP timer1 is clocked at 24MHz - * can be divided by 16 or 256 - * and is a 16-bit counter - */ -/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/ -static ulong timestamp; /* U-Boot ticks since startup */ -static ulong total_count = 0; /* Total timer count */ -static ulong lastdec; /* Timer reading at last call */ -static ulong div_clock = 256; /* Divisor applied to the timer clock */ -static ulong div_timer = 1; /* Divisor to convert timer reading - * change to U-Boot ticks - */ -/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */ - -#define TIMER_LOAD_VAL 0x0000FFFFL -#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL) - -/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec - * - unless otherwise stated - */ - -/* starts a counter - * - the Integrator/AP timer issues an interrupt - * each time it reaches zero - */ -int timer_init (void) -{ - /* Load timer with initial value */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL; - /* Set timer to be - * enabled 1 - * free-running 0 - * XX 00 - * divider 256 10 - * XX 00 - */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088; - total_count = 0; - /* init the timestamp and lastdec value */ - reset_timer_masked(); - - div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ; - div_timer /= div_clock; - - return (0); -} - -/* - * timer without interrupts - */ -void reset_timer (void) -{ - reset_timer_masked (); -} - -ulong get_timer (ulong base_ticks) -{ - return get_timer_masked () - base_ticks; -} - -void set_timer (ulong ticks) -{ - timestamp = ticks; - total_count = ticks * div_timer; - reset_timer_masked(); -} - -/* delay x useconds */ -void udelay (unsigned long usec) -{ - ulong tmo, tmp; - - /* Convert to U-Boot ticks */ - tmo = usec * CONFIG_SYS_HZ; - tmo /= (1000000L); - - tmp = get_timer_masked(); /* get current timestamp */ - tmo += tmp; /* wake up timestamp */ - - while (get_timer_masked () < tmo) { /* loop till event */ - /*NOP*/; - } -} - -void reset_timer_masked (void) -{ - /* reset time */ - lastdec = READ_TIMER; /* capture current decrementer value */ - timestamp = 0; /* start "advancing" time stamp from 0 */ -} - -/* converts the timer reading to U-Boot ticks */ -/* the timestamp is the number of ticks since reset */ -/* This routine does not detect wraps unless called regularly - ASSUMES a call at least every 16 seconds to detect every reload */ -ulong get_timer_masked (void) -{ - ulong now = READ_TIMER; /* current count */ - - if (now > lastdec) { - /* Must have wrapped */ - total_count += lastdec + TIMER_LOAD_VAL + 1 - now; - } else { - total_count += lastdec - now; - } - lastdec = now; - timestamp = total_count/div_timer; - - return timestamp; -} - -/* waits specified delay value and resets timestamp */ -void udelay_masked (unsigned long usec) -{ - udelay(usec); -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * Return the timebase clock frequency - * i.e. how often the timer decrements - */ -ulong get_tbclk (void) -{ - return CONFIG_SYS_HZ_CLOCK/div_clock; -} - -int board_eth_init(bd_t *bis) -{ - return pci_eth_init(bis); -} +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger mgroeger@sysgo.de + * + * (C) Copyright 2002 + * David Mueller, ELSOFT AG, d.mueller@elsoft.ch + * + * (C) Copyright 2003 + * Texas Instruments, <www.ti.com> + * Kshitij Gupta Kshitij@ti.com + * + * (C) Copyright 2004 + * ARM Ltd. + * Philippe Robin, philippe.robin@arm.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +void flash__init (void); +void ether__init (void); +void peripheral_power_enable (void); + +#if defined(CONFIG_SHOW_BOOT_PROGRESS) +void show_boot_progress(int progress) +{ + printf("Boot reached stage %d\n", progress); +} +#endif + +#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF) + +static inline void delay (unsigned long loops) +{ + __asm__ volatile ("1:\n" + "subs %0, %1, #1\n" + "bne 1b":"=r" (loops):"0" (loops)); +} + +/* + * Miscellaneous platform dependent initialisations + */ + +int board_init (void) +{ + /* arch number of Integrator Board */ + gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0x00000100; + + gd->flags = 0; + +#ifdef CONFIG_CM_REMAP +extern void cm_remap(void); + cm_remap(); /* remaps writeable memory to 0x00000000 */ +#endif + + icache_enable (); + + flash__init (); + return 0; +} + + +int misc_init_r (void) +{ +#ifdef CONFIG_PCI + pci_init(); +#endif + setenv("verify", "n"); + return (0); +} + + +/****************************** + Routine: + Description: +******************************/ +void flash__init (void) +{ +} +/************************************************************* + Routine:ether__init + Description: take the Ethernet controller out of reset and wait + for the EEPROM load to complete. +*************************************************************/ +void ether__init (void) +{ +} + +/****************************** + Routine: + Description: +******************************/ +int dram_init (void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + +#ifdef CONFIG_CM_SPD_DETECT + { +extern void dram_query(void); + unsigned long cm_reg_sdram; + unsigned long sdram_shift; + + dram_query(); /* Assembler accesses to CM registers */ + /* Queries the SPD values */ + + /* Obtain the SDRAM size from the CM SDRAM register */ + + cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM); + /* Register SDRAM size + * + * 0xXXXXXXbbb000bb 16 MB + * 0xXXXXXXbbb001bb 32 MB + * 0xXXXXXXbbb010bb 64 MB + * 0xXXXXXXbbb011bb 128 MB + * 0xXXXXXXbbb100bb 256 MB + * + */ + sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4; + gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift; + + } +#endif /* CM_SPD_DETECT */ + + return 0; +} + +/* The Integrator/AP timer1 is clocked at 24MHz + * can be divided by 16 or 256 + * and is a 16-bit counter + */ +/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/ +static ulong timestamp; /* U-Boot ticks since startup */ +static ulong total_count = 0; /* Total timer count */ +static ulong lastdec; /* Timer reading at last call */ +static ulong div_clock = 256; /* Divisor applied to the timer clock */ +static ulong div_timer = 1; /* Divisor to convert timer reading + * change to U-Boot ticks + */ +/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */ + +#define TIMER_LOAD_VAL 0x0000FFFFL +#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL) + +/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec + * - unless otherwise stated + */ + +/* starts a counter + * - the Integrator/AP timer issues an interrupt + * each time it reaches zero + */ +int timer_init (void) +{ + /* Load timer with initial value */ + *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL; + /* Set timer to be + * enabled 1 + * free-running 0 + * XX 00 + * divider 256 10 + * XX 00 + */ + *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088; + total_count = 0; + /* init the timestamp and lastdec value */ + reset_timer_masked(); + + div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ; + div_timer /= div_clock; + + return (0); +} + +/* + * timer without interrupts + */ +void reset_timer (void) +{ + reset_timer_masked (); +} + +ulong get_timer (ulong base_ticks) +{ + return get_timer_masked () - base_ticks; +} + +void set_timer (ulong ticks) +{ + timestamp = ticks; + total_count = ticks * div_timer; + reset_timer_masked(); +} + +/* delay x useconds */ +void udelay (unsigned long usec) +{ + ulong tmo, tmp; + + /* Convert to U-Boot ticks */ + tmo = usec * CONFIG_SYS_HZ; + tmo /= (1000000L); + + tmp = get_timer_masked(); /* get current timestamp */ + tmo += tmp; /* wake up timestamp */ + + while (get_timer_masked () < tmo) { /* loop till event */ + /*NOP*/; + } +} + +void reset_timer_masked (void) +{ + /* reset time */ + lastdec = READ_TIMER; /* capture current decrementer value */ + timestamp = 0; /* start "advancing" time stamp from 0 */ +} + +/* converts the timer reading to U-Boot ticks */ +/* the timestamp is the number of ticks since reset */ +/* This routine does not detect wraps unless called regularly + ASSUMES a call at least every 16 seconds to detect every reload */ +ulong get_timer_masked (void) +{ + ulong now = READ_TIMER; /* current count */ + + if (now > lastdec) { + /* Must have wrapped */ + total_count += lastdec + TIMER_LOAD_VAL + 1 - now; + } else { + total_count += lastdec - now; + } + lastdec = now; + timestamp = total_count/div_timer; + + return timestamp; +} + +/* waits specified delay value and resets timestamp */ +void udelay_masked (unsigned long usec) +{ + udelay(usec); +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * Return the timebase clock frequency + * i.e. how often the timer decrements + */ +ulong get_tbclk (void) +{ + return CONFIG_SYS_HZ_CLOCK/div_clock; +} + +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} diff --git a/board/armltd/integratorap/integratorap.c b/board/armltd/integratorap/pci.c similarity index 69% rename from board/armltd/integratorap/integratorap.c rename to board/armltd/integratorap/pci.c index 5ececd6..6ee2a85 100644 --- a/board/armltd/integratorap/integratorap.c +++ b/board/armltd/integratorap/pci.c @@ -34,77 +34,13 @@ */
#include <common.h> - -#ifdef CONFIG_PCI #include <pci.h> -#endif - -#include <netdev.h> - -DECLARE_GLOBAL_DATA_PTR; - -void flash__init (void); -void ether__init (void); -void peripheral_power_enable (void); - -#if defined(CONFIG_SHOW_BOOT_PROGRESS) -void show_boot_progress(int progress) -{ - printf("Boot reached stage %d\n", progress); -} -#endif - -#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF) - -static inline void delay (unsigned long loops) -{ - __asm__ volatile ("1:\n" - "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0" (loops)); -} - -/* - * Miscellaneous platform dependent initialisations - */ - -int board_init (void) -{ - /* arch number of Integrator Board */ - gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0x00000100; - - gd->flags = 0; - -#ifdef CONFIG_CM_REMAP -extern void cm_remap(void); - cm_remap(); /* remaps writeable memory to 0x00000000 */ -#endif - - icache_enable (); - - flash__init (); - return 0; -} - - -int misc_init_r (void) -{ -#ifdef CONFIG_PCI - pci_init(); -#endif - setenv("verify", "n"); - return (0); -}
/* * Initialize PCI Devices, report devices found. */ -#ifdef CONFIG_PCI
#ifndef CONFIG_PCI_PNP - static struct pci_config_table pci_integrator_config_table[] = { { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID, pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, @@ -112,7 +48,7 @@ static struct pci_config_table pci_integrator_config_table[] = { PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, { } }; -#endif +#endif /* CONFIG_PCI_PNP */
/* V3 access routines */ #define _V3Write16(o,v) (*(volatile unsigned short *)(PCI_V3_BASE + (unsigned int)(o)) = (unsigned short)(v)) @@ -458,199 +394,3 @@ void pci_init_board (void)
hose->last_busno = pci_hose_scan (hose); } -#endif - -/****************************** - Routine: - Description: -******************************/ -void flash__init (void) -{ -} -/************************************************************* - Routine:ether__init - Description: take the Ethernet controller out of reset and wait - for the EEPROM load to complete. -*************************************************************/ -void ether__init (void) -{ -} - -/****************************** - Routine: - Description: -******************************/ -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - -#ifdef CONFIG_CM_SPD_DETECT - { -extern void dram_query(void); - unsigned long cm_reg_sdram; - unsigned long sdram_shift; - - dram_query(); /* Assembler accesses to CM registers */ - /* Queries the SPD values */ - - /* Obtain the SDRAM size from the CM SDRAM register */ - - cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM); - /* Register SDRAM size - * - * 0xXXXXXXbbb000bb 16 MB - * 0xXXXXXXbbb001bb 32 MB - * 0xXXXXXXbbb010bb 64 MB - * 0xXXXXXXbbb011bb 128 MB - * 0xXXXXXXbbb100bb 256 MB - * - */ - sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4; - gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift; - - } -#endif /* CM_SPD_DETECT */ - - return 0; -} - -/* The Integrator/AP timer1 is clocked at 24MHz - * can be divided by 16 or 256 - * and is a 16-bit counter - */ -/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/ -static ulong timestamp; /* U-Boot ticks since startup */ -static ulong total_count = 0; /* Total timer count */ -static ulong lastdec; /* Timer reading at last call */ -static ulong div_clock = 256; /* Divisor applied to the timer clock */ -static ulong div_timer = 1; /* Divisor to convert timer reading - * change to U-Boot ticks - */ -/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */ - -#define TIMER_LOAD_VAL 0x0000FFFFL -#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL) - -/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec - * - unless otherwise stated - */ - -/* starts a counter - * - the Integrator/AP timer issues an interrupt - * each time it reaches zero - */ -int timer_init (void) -{ - /* Load timer with initial value */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL; - /* Set timer to be - * enabled 1 - * free-running 0 - * XX 00 - * divider 256 10 - * XX 00 - */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088; - total_count = 0; - /* init the timestamp and lastdec value */ - reset_timer_masked(); - - div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ; - div_timer /= div_clock; - - return (0); -} - -/* - * timer without interrupts - */ -void reset_timer (void) -{ - reset_timer_masked (); -} - -ulong get_timer (ulong base_ticks) -{ - return get_timer_masked () - base_ticks; -} - -void set_timer (ulong ticks) -{ - timestamp = ticks; - total_count = ticks * div_timer; - reset_timer_masked(); -} - -/* delay x useconds */ -void udelay (unsigned long usec) -{ - ulong tmo, tmp; - - /* Convert to U-Boot ticks */ - tmo = usec * CONFIG_SYS_HZ; - tmo /= (1000000L); - - tmp = get_timer_masked(); /* get current timestamp */ - tmo += tmp; /* wake up timestamp */ - - while (get_timer_masked () < tmo) { /* loop till event */ - /*NOP*/; - } -} - -void reset_timer_masked (void) -{ - /* reset time */ - lastdec = READ_TIMER; /* capture current decrementer value */ - timestamp = 0; /* start "advancing" time stamp from 0 */ -} - -/* converts the timer reading to U-Boot ticks */ -/* the timestamp is the number of ticks since reset */ -/* This routine does not detect wraps unless called regularly - ASSUMES a call at least every 16 seconds to detect every reload */ -ulong get_timer_masked (void) -{ - ulong now = READ_TIMER; /* current count */ - - if (now > lastdec) { - /* Must have wrapped */ - total_count += lastdec + TIMER_LOAD_VAL + 1 - now; - } else { - total_count += lastdec - now; - } - lastdec = now; - timestamp = total_count/div_timer; - - return timestamp; -} - -/* waits specified delay value and resets timestamp */ -void udelay_masked (unsigned long usec) -{ - udelay(usec); -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * Return the timebase clock frequency - * i.e. how often the timer decrements - */ -ulong get_tbclk (void) -{ - return CONFIG_SYS_HZ_CLOCK/div_clock; -} - -int board_eth_init(bd_t *bis) -{ - return pci_eth_init(bis); -}
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com Cc: Peter Pearse Peter.Pearse@arm.com --- board/armltd/integratorap/Makefile | 1 + board/armltd/integratorap/integratorap.c | 135 ----------------------- board/armltd/integratorap/timer.c | 171 ++++++++++++++++++++++++++++++ 3 files changed, 172 insertions(+), 135 deletions(-) create mode 100644 board/armltd/integratorap/timer.c
diff --git a/board/armltd/integratorap/Makefile b/board/armltd/integratorap/Makefile index a6193c7..1af37f3 100644 --- a/board/armltd/integratorap/Makefile +++ b/board/armltd/integratorap/Makefile @@ -34,6 +34,7 @@ SOBJS-y := lowlevel_init.o COBJS-y := integratorap.o COBJS-y += flash.o COBJS-$(CONFIG_PCI) += pci.o +COBJS-y += timer.o
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) COBJS := $(addprefix $(obj),$(COBJS-y)) diff --git a/board/armltd/integratorap/integratorap.c b/board/armltd/integratorap/integratorap.c index d458fe6..b20b129 100644 --- a/board/armltd/integratorap/integratorap.c +++ b/board/armltd/integratorap/integratorap.c @@ -149,141 +149,6 @@ extern void dram_query(void); return 0; }
-/* The Integrator/AP timer1 is clocked at 24MHz - * can be divided by 16 or 256 - * and is a 16-bit counter - */ -/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/ -static ulong timestamp; /* U-Boot ticks since startup */ -static ulong total_count = 0; /* Total timer count */ -static ulong lastdec; /* Timer reading at last call */ -static ulong div_clock = 256; /* Divisor applied to the timer clock */ -static ulong div_timer = 1; /* Divisor to convert timer reading - * change to U-Boot ticks - */ -/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */ - -#define TIMER_LOAD_VAL 0x0000FFFFL -#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL) - -/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec - * - unless otherwise stated - */ - -/* starts a counter - * - the Integrator/AP timer issues an interrupt - * each time it reaches zero - */ -int timer_init (void) -{ - /* Load timer with initial value */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL; - /* Set timer to be - * enabled 1 - * free-running 0 - * XX 00 - * divider 256 10 - * XX 00 - */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088; - total_count = 0; - /* init the timestamp and lastdec value */ - reset_timer_masked(); - - div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ; - div_timer /= div_clock; - - return (0); -} - -/* - * timer without interrupts - */ -void reset_timer (void) -{ - reset_timer_masked (); -} - -ulong get_timer (ulong base_ticks) -{ - return get_timer_masked () - base_ticks; -} - -void set_timer (ulong ticks) -{ - timestamp = ticks; - total_count = ticks * div_timer; - reset_timer_masked(); -} - -/* delay x useconds */ -void udelay (unsigned long usec) -{ - ulong tmo, tmp; - - /* Convert to U-Boot ticks */ - tmo = usec * CONFIG_SYS_HZ; - tmo /= (1000000L); - - tmp = get_timer_masked(); /* get current timestamp */ - tmo += tmp; /* wake up timestamp */ - - while (get_timer_masked () < tmo) { /* loop till event */ - /*NOP*/; - } -} - -void reset_timer_masked (void) -{ - /* reset time */ - lastdec = READ_TIMER; /* capture current decrementer value */ - timestamp = 0; /* start "advancing" time stamp from 0 */ -} - -/* converts the timer reading to U-Boot ticks */ -/* the timestamp is the number of ticks since reset */ -/* This routine does not detect wraps unless called regularly - ASSUMES a call at least every 16 seconds to detect every reload */ -ulong get_timer_masked (void) -{ - ulong now = READ_TIMER; /* current count */ - - if (now > lastdec) { - /* Must have wrapped */ - total_count += lastdec + TIMER_LOAD_VAL + 1 - now; - } else { - total_count += lastdec - now; - } - lastdec = now; - timestamp = total_count/div_timer; - - return timestamp; -} - -/* waits specified delay value and resets timestamp */ -void udelay_masked (unsigned long usec) -{ - udelay(usec); -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * Return the timebase clock frequency - * i.e. how often the timer decrements - */ -ulong get_tbclk (void) -{ - return CONFIG_SYS_HZ_CLOCK/div_clock; -} - int board_eth_init(bd_t *bis) { return pci_eth_init(bis); diff --git a/board/armltd/integratorap/timer.c b/board/armltd/integratorap/timer.c new file mode 100644 index 0000000..e85f8b6 --- /dev/null +++ b/board/armltd/integratorap/timer.c @@ -0,0 +1,171 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger mgroeger@sysgo.de + * + * (C) Copyright 2002 + * David Mueller, ELSOFT AG, d.mueller@elsoft.ch + * + * (C) Copyright 2003 + * Texas Instruments, <www.ti.com> + * Kshitij Gupta Kshitij@ti.com + * + * (C) Copyright 2004 + * ARM Ltd. + * Philippe Robin, philippe.robin@arm.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> + +/* The Integrator/AP timer1 is clocked at 24MHz + * can be divided by 16 or 256 + * and is a 16-bit counter + */ +/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/ +static ulong timestamp; /* U-Boot ticks since startup */ +static ulong total_count = 0; /* Total timer count */ +static ulong lastdec; /* Timer reading at last call */ +static ulong div_clock = 256; /* Divisor applied to the timer clock */ +static ulong div_timer = 1; /* Divisor to convert timer reading + * change to U-Boot ticks + */ +/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */ + +#define TIMER_LOAD_VAL 0x0000FFFFL +#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL) + +/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec + * - unless otherwise stated + */ + +/* starts a counter + * - the Integrator/AP timer issues an interrupt + * each time it reaches zero + */ +int timer_init (void) +{ + /* Load timer with initial value */ + *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL; + /* Set timer to be + * enabled 1 + * free-running 0 + * XX 00 + * divider 256 10 + * XX 00 + */ + *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088; + total_count = 0; + /* init the timestamp and lastdec value */ + reset_timer_masked(); + + div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ; + div_timer /= div_clock; + + return (0); +} + +/* + * timer without interrupts + */ +void reset_timer (void) +{ + reset_timer_masked (); +} + +ulong get_timer (ulong base_ticks) +{ + return get_timer_masked () - base_ticks; +} + +void set_timer (ulong ticks) +{ + timestamp = ticks; + total_count = ticks * div_timer; + reset_timer_masked(); +} + +/* delay x useconds */ +void udelay (unsigned long usec) +{ + ulong tmo, tmp; + + /* Convert to U-Boot ticks */ + tmo = usec * CONFIG_SYS_HZ; + tmo /= (1000000L); + + tmp = get_timer_masked(); /* get current timestamp */ + tmo += tmp; /* wake up timestamp */ + + while (get_timer_masked () < tmo) { /* loop till event */ + /*NOP*/; + } +} + +void reset_timer_masked (void) +{ + /* reset time */ + lastdec = READ_TIMER; /* capture current decrementer value */ + timestamp = 0; /* start "advancing" time stamp from 0 */ +} + +/* converts the timer reading to U-Boot ticks */ +/* the timestamp is the number of ticks since reset */ +/* This routine does not detect wraps unless called regularly + ASSUMES a call at least every 16 seconds to detect every reload */ +ulong get_timer_masked (void) +{ + ulong now = READ_TIMER; /* current count */ + + if (now > lastdec) { + /* Must have wrapped */ + total_count += lastdec + TIMER_LOAD_VAL + 1 - now; + } else { + total_count += lastdec - now; + } + lastdec = now; + timestamp = total_count/div_timer; + + return timestamp; +} + +/* waits specified delay value and resets timestamp */ +void udelay_masked (unsigned long usec) +{ + udelay(usec); +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * Return the timebase clock frequency + * i.e. how often the timer decrements + */ +ulong get_tbclk (void) +{ + return CONFIG_SYS_HZ_CLOCK/div_clock; +}
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com Cc: Peter Pearse Peter.Pearse@arm.com --- board/armltd/integratorcp/Makefile | 5 +- board/armltd/integratorcp/integratorcp.c | 140 -------------------- .../integratorcp/{integratorcp.c => timer.c} | 103 -------------- 3 files changed, 4 insertions(+), 244 deletions(-) copy board/armltd/integratorcp/{integratorcp.c => timer.c} (68%)
diff --git a/board/armltd/integratorcp/Makefile b/board/armltd/integratorcp/Makefile index 92a1a07..5e3c646 100644 --- a/board/armltd/integratorcp/Makefile +++ b/board/armltd/integratorcp/Makefile @@ -25,9 +25,12 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
-COBJS := integratorcp.o flash.o SOBJS := lowlevel_init.o
+COBJS := integratorcp.o +COBJS += flash.o +COBJS += timer.o + SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) SOBJS := $(addprefix $(obj),$(SOBJS)) diff --git a/board/armltd/integratorcp/integratorcp.c b/board/armltd/integratorcp/integratorcp.c index 0d3afd8..16620bb 100644 --- a/board/armltd/integratorcp/integratorcp.c +++ b/board/armltd/integratorcp/integratorcp.c @@ -34,7 +34,6 @@ */
#include <common.h> -#include <div64.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -138,142 +137,3 @@ extern void dram_query(void);
return 0; } - -/* The Integrator/CP timer1 is clocked at 1MHz - * can be divided by 16 or 256 - * and can be set up as a 32-bit timer - */ -/* U-Boot expects a 32 bit timer, running at CONFIG_SYS_HZ */ -/* Keep total timer count to avoid losing decrements < div_timer */ -static unsigned long long total_count = 0; -static unsigned long long lastdec; /* Timer reading at last call */ -static unsigned long long div_clock = 1; /* Divisor applied to timer clock */ -static unsigned long long div_timer = 1; /* Divisor to convert timer reading - * change to U-Boot ticks - */ -/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */ -static ulong timestamp; /* U-Boot ticks since startup */ - -#define TIMER_LOAD_VAL ((ulong)0xFFFFFFFF) -#define READ_TIMER (*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) - -/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec - * - unless otherwise stated - */ - -/* starts up a counter - * - the Integrator/CP timer can be set up to issue an interrupt */ -int timer_init (void) -{ - /* Load timer with initial value */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL; - /* Set timer to be - * enabled 1 - * periodic 1 - * no interrupts 0 - * X 0 - * divider 1 00 == less rounding error - * 32 bit 1 - * wrapping 0 - */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x000000C2; - /* init the timestamp */ - total_count = 0ULL; - reset_timer_masked(); - - div_timer = (unsigned long long)(CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ); - div_timer /= div_clock; - - return (0); -} - -/* - * timer without interrupts - */ -void reset_timer (void) -{ - reset_timer_masked (); -} - -ulong get_timer (ulong base_ticks) -{ - return get_timer_masked () - base_ticks; -} - -void set_timer (ulong ticks) -{ - timestamp = ticks; - total_count = (unsigned long long)ticks * div_timer; -} - -/* delay usec useconds */ -void udelay (unsigned long usec) -{ - ulong tmo, tmp; - - /* Convert to U-Boot ticks */ - tmo = usec * CONFIG_SYS_HZ; - tmo /= (1000000L); - - tmp = get_timer_masked(); /* get current timestamp */ - tmo += tmp; /* form target timestamp */ - - while (get_timer_masked () < tmo) {/* loop till event */ - /*NOP*/; - } -} - -void reset_timer_masked (void) -{ - /* capure current decrementer value */ - lastdec = (unsigned long long)READ_TIMER; - /* start "advancing" time stamp from 0 */ - timestamp = 0L; -} - -/* converts the timer reading to U-Boot ticks */ -/* the timestamp is the number of ticks since reset */ -ulong get_timer_masked (void) -{ - /* get current count */ - unsigned long long now = (unsigned long long)READ_TIMER; - - if(now > lastdec) { - /* Must have wrapped */ - total_count += lastdec + TIMER_LOAD_VAL + 1 - now; - } else { - total_count += lastdec - now; - } - lastdec = now; - - /* Reuse "now" */ - now = total_count; - do_div(now, div_timer); - timestamp = now; - - return timestamp; -} - -/* waits specified delay value and resets timestamp */ -void udelay_masked (unsigned long usec) -{ - udelay(usec); -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return (unsigned long long)get_timer(0); -} - -/* - * Return the timebase clock frequency - * i.e. how often the timer decrements - */ -ulong get_tbclk (void) -{ - return (ulong)(((unsigned long long)CONFIG_SYS_HZ_CLOCK)/div_clock); -} diff --git a/board/armltd/integratorcp/integratorcp.c b/board/armltd/integratorcp/timer.c similarity index 68% copy from board/armltd/integratorcp/integratorcp.c copy to board/armltd/integratorcp/timer.c index 0d3afd8..741035c 100644 --- a/board/armltd/integratorcp/integratorcp.c +++ b/board/armltd/integratorcp/timer.c @@ -36,109 +36,6 @@ #include <common.h> #include <div64.h>
-DECLARE_GLOBAL_DATA_PTR; - -void flash__init (void); -void ether__init (void); -void peripheral_power_enable (void); - -#if defined(CONFIG_SHOW_BOOT_PROGRESS) -void show_boot_progress(int progress) -{ - printf("Boot reached stage %d\n", progress); -} -#endif - -#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF) - -/* - * Miscellaneous platform dependent initialisations - */ - -int board_init (void) -{ - /* arch number of Integrator Board */ - gd->bd->bi_arch_number = MACH_TYPE_CINTEGRATOR; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0x00000100; - - gd->flags = 0; - -#ifdef CONFIG_CM_REMAP -extern void cm_remap(void); - cm_remap(); /* remaps writeable memory to 0x00000000 */ -#endif - - icache_enable (); - - flash__init (); - ether__init (); - return 0; -} - - -int misc_init_r (void) -{ - setenv("verify", "n"); - return (0); -} - -/****************************** - Routine: - Description: -******************************/ -void flash__init (void) -{ -} -/************************************************************* - Routine:ether__init - Description: take the Ethernet controller out of reset and wait - for the EEPROM load to complete. -*************************************************************/ -void ether__init (void) -{ -} - -/****************************** - Routine: - Description: -******************************/ -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - -#ifdef CONFIG_CM_SPD_DETECT - { -extern void dram_query(void); - unsigned long cm_reg_sdram; - unsigned long sdram_shift; - - dram_query(); /* Assembler accesses to CM registers */ - /* Queries the SPD values */ - - /* Obtain the SDRAM size from the CM SDRAM register */ - - cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM); - /* Register SDRAM size - * - * 0xXXXXXXbbb000bb 16 MB - * 0xXXXXXXbbb001bb 32 MB - * 0xXXXXXXbbb010bb 64 MB - * 0xXXXXXXbbb011bb 128 MB - * 0xXXXXXXbbb100bb 256 MB - * - */ - sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4; - gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift; - - } -#endif /* CM_SPD_DETECT */ - - return 0; -} - /* The Integrator/CP timer1 is clocked at 1MHz * can be divided by 16 or 256 * and can be set up as a 32-bit timer
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com Cc: Peter Pearse Peter.Pearse@arm.com --- board/armltd/integratorap/integratorap.c | 28 ---------------------------- board/armltd/integratorcp/integratorcp.c | 21 --------------------- board/armltd/versatile/versatile.c | 7 ------- 3 files changed, 0 insertions(+), 56 deletions(-)
diff --git a/board/armltd/integratorap/integratorap.c b/board/armltd/integratorap/integratorap.c index b20b129..f58956e 100644 --- a/board/armltd/integratorap/integratorap.c +++ b/board/armltd/integratorap/integratorap.c @@ -38,8 +38,6 @@
DECLARE_GLOBAL_DATA_PTR;
-void flash__init (void); -void ether__init (void); void peripheral_power_enable (void);
#if defined(CONFIG_SHOW_BOOT_PROGRESS) @@ -51,13 +49,6 @@ void show_boot_progress(int progress)
#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
-static inline void delay (unsigned long loops) -{ - __asm__ volatile ("1:\n" - "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0" (loops)); -} - /* * Miscellaneous platform dependent initialisations */ @@ -79,11 +70,9 @@ extern void cm_remap(void);
icache_enable ();
- flash__init (); return 0; }
- int misc_init_r (void) { #ifdef CONFIG_PCI @@ -93,23 +82,6 @@ int misc_init_r (void) return (0); }
- -/****************************** - Routine: - Description: -******************************/ -void flash__init (void) -{ -} -/************************************************************* - Routine:ether__init - Description: take the Ethernet controller out of reset and wait - for the EEPROM load to complete. -*************************************************************/ -void ether__init (void) -{ -} - /****************************** Routine: Description: diff --git a/board/armltd/integratorcp/integratorcp.c b/board/armltd/integratorcp/integratorcp.c index 16620bb..5897147 100644 --- a/board/armltd/integratorcp/integratorcp.c +++ b/board/armltd/integratorcp/integratorcp.c @@ -37,8 +37,6 @@
DECLARE_GLOBAL_DATA_PTR;
-void flash__init (void); -void ether__init (void); void peripheral_power_enable (void);
#if defined(CONFIG_SHOW_BOOT_PROGRESS) @@ -71,12 +69,9 @@ extern void cm_remap(void);
icache_enable ();
- flash__init (); - ether__init (); return 0; }
- int misc_init_r (void) { setenv("verify", "n"); @@ -87,22 +82,6 @@ int misc_init_r (void) Routine: Description: ******************************/ -void flash__init (void) -{ -} -/************************************************************* - Routine:ether__init - Description: take the Ethernet controller out of reset and wait - for the EEPROM load to complete. -*************************************************************/ -void ether__init (void) -{ -} - -/****************************** - Routine: - Description: -******************************/ int dram_init (void) { gd->bd->bi_dram[0].start = PHYS_SDRAM_1; diff --git a/board/armltd/versatile/versatile.c b/board/armltd/versatile/versatile.c index 0f35caa..197bc89 100644 --- a/board/armltd/versatile/versatile.c +++ b/board/armltd/versatile/versatile.c @@ -46,13 +46,6 @@ void show_boot_progress(int progress)
#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
-static inline void delay (unsigned long loops) -{ - __asm__ volatile ("1:\n" - "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0" (loops)); -} - /* * Miscellaneous platform dependent initialisations */
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com Cc: Peter Pearse Peter.Pearse@arm.com --- board/armltd/integratorap/Makefile | 1 - board/armltd/integratorap/flash.c | 473 ------------------------------ board/armltd/integratorcp/Makefile | 1 - board/armltd/integratorcp/flash.c | 564 ------------------------------------ include/configs/integratorap.h | 8 +- include/configs/integratorcp.h | 4 +- 6 files changed, 7 insertions(+), 1044 deletions(-) delete mode 100644 board/armltd/integratorap/flash.c delete mode 100644 board/armltd/integratorcp/flash.c
diff --git a/board/armltd/integratorap/Makefile b/board/armltd/integratorap/Makefile index 1af37f3..da82f5c 100644 --- a/board/armltd/integratorap/Makefile +++ b/board/armltd/integratorap/Makefile @@ -32,7 +32,6 @@ LIB = $(obj)lib$(BOARD).a SOBJS-y := lowlevel_init.o
COBJS-y := integratorap.o -COBJS-y += flash.o COBJS-$(CONFIG_PCI) += pci.o COBJS-y += timer.o
diff --git a/board/armltd/integratorap/flash.c b/board/armltd/integratorap/flash.c deleted file mode 100644 index 0492be7..0000000 --- a/board/armltd/integratorap/flash.c +++ /dev/null @@ -1,473 +0,0 @@ -/* - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2003 - * Texas Instruments, <www.ti.com> - * Kshitij Gupta Kshitij@ti.com - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <linux/byteorder/swab.h> - -#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */ -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/* Board support for 1 or 2 flash devices */ -#undef FLASH_PORT_WIDTH32 -#define FLASH_PORT_WIDTH16 - -#ifdef FLASH_PORT_WIDTH16 -#define FLASH_PORT_WIDTH ushort -#define FLASH_PORT_WIDTHV vu_short -#define SWAP(x) __swab16(x) -#else -#define FLASH_PORT_WIDTH ulong -#define FLASH_PORT_WIDTHV vu_long -#define SWAP(x) __swab32(x) -#endif - -#define FPW FLASH_PORT_WIDTH -#define FPWV FLASH_PORT_WIDTHV - -#define mb() __asm__ __volatile__ ("" : : : "memory") - - -/* Flash Organization Structure */ -typedef struct OrgDef { - unsigned int sector_number; - unsigned int sector_size; -} OrgDef; - - -/* Flash Organizations */ -OrgDef OrgIntel_28F256L18T[] = { - {4, 32 * 1024}, /* 4 * 32kBytes sectors */ - {255, 128 * 1024}, /* 255 * 128kBytes sectors */ -}; - - -/*----------------------------------------------------------------------- - * Functions - */ -unsigned long flash_init (void); -static ulong flash_get_size (FPW * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, FPW data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); -void flash_print_info (flash_info_t * info); -void flash_unprotect_sectors (FPWV * addr); -int flash_erase (flash_info_t * info, int s_first, int s_last); -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - int i; - ulong size = 0; - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - switch (i) { - case 0: - flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]); - flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); - break; - default: - panic ("configured too many flash banks!\n"); - break; - } - size += flash_info[i].size; - } - - /* Protect monitor and environment sectors - */ - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_FLASH_BASE, - CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]); - - return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ - int i; - OrgDef *pOrgDef; - - pOrgDef = OrgIntel_28F256L18T; - if (info->flash_id == FLASH_UNKNOWN) { - return; - } - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - if (i > 255) { - info->start[i] = base + (i * 0x8000); - info->protect[i] = 0; - } else { - info->start[i] = base + - (i * PHYS_FLASH_SECT_SIZE); - info->protect[i] = 0; - } - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F256L18T: - printf ("FLASH 28F256L18T\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (FPW * addr, flash_info_t * info) -{ - volatile FPW value; - - /* Write auto select command: read Manufacturer ID */ - addr[0x5555] = (FPW) 0x00AA00AA; - addr[0x2AAA] = (FPW) 0x00550055; - addr[0x5555] = (FPW) 0x00900090; - - mb (); - value = addr[0]; - - switch (value) { - - case (FPW) INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - mb (); - value = addr[1]; /* device ID */ - switch (value) { - - case (FPW) (INTEL_ID_28F256L18T): - info->flash_id += FLASH_28F256L18T; - info->sector_count = 259; - info->size = 0x02000000; - break; /* => 32 MB */ - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - - return (info->size); -} - - -/* unprotects a sector for write and erase - * on some intel parts, this unprotects the entire chip, but it - * wont hurt to call this additional times per sector... - */ -void flash_unprotect_sectors (FPWV * addr) -{ -#define PD_FINTEL_WSMS_READY_MASK 0x0080 - - *addr = (FPW) 0x00500050; /* clear status register */ - - /* this sends the clear lock bit command */ - *addr = (FPW) 0x00600060; - *addr = (FPW) 0x00D000D0; -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong type, start, last; - int rcode = 0; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - - start = get_timer (0); - last = start; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - FPWV *addr = (FPWV *) (info->start[sect]); - FPW status; - - printf ("Erasing sector %2d ... ", sect); - - flash_unprotect_sectors (addr); - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - *addr = (FPW) 0x00500050;/* clear status register */ - *addr = (FPW) 0x00200020;/* erase setup */ - *addr = (FPW) 0x00D000D0;/* erase confirm */ - - while (((status = - *addr) & (FPW) 0x00800080) != - (FPW) 0x00800080) { - if (get_timer_masked () > - CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - /* suspend erase */ - *addr = (FPW) 0x00B000B0; - /* reset to read mode */ - *addr = (FPW) 0x00FF00FF; - rcode = 1; - break; - } - } - - /* clear status register cmd. */ - *addr = (FPW) 0x00500050; - *addr = (FPW) 0x00FF00FF;/* resest to read mode */ - printf (" done\n"); - } - } - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong cp, wp; - FPW data; - int count, i, l, rc, port_width; - - if (info->flash_id == FLASH_UNKNOWN) { - return 4; - } -/* get lower word aligned address */ -#ifdef FLASH_PORT_WIDTH16 - wp = (addr & ~1); - port_width = 2; -#else - wp = (addr & ~3); - port_width = 4; -#endif - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - } - - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_data (info, wp, SWAP (data))); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, FPW data) -{ - FPWV *addr = (FPWV *) dest; - ulong status; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr); - return (2); - } - flash_unprotect_sectors (addr); - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - *addr = (FPW) 0x00400040; /* write setup */ - *addr = data; - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - /* wait while polling the status register */ - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - return (1); - } - } - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - return (0); -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} diff --git a/board/armltd/integratorcp/Makefile b/board/armltd/integratorcp/Makefile index 5e3c646..76a85d9 100644 --- a/board/armltd/integratorcp/Makefile +++ b/board/armltd/integratorcp/Makefile @@ -28,7 +28,6 @@ LIB = $(obj)lib$(BOARD).a SOBJS := lowlevel_init.o
COBJS := integratorcp.o -COBJS += flash.o COBJS += timer.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/board/armltd/integratorcp/flash.c b/board/armltd/integratorcp/flash.c deleted file mode 100644 index 5059dae..0000000 --- a/board/armltd/integratorcp/flash.c +++ /dev/null @@ -1,564 +0,0 @@ -/* - * (C) Copyright 2004 - * Xiaogeng (Shawn) Jin, Agilent Technologies, xiaogeng_jin@agilent.com - * - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2003 - * Texas Instruments, <www.ti.com> - * Kshitij Gupta Kshitij@ti.com - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <linux/byteorder/swab.h> - -#define DEBUG - -#define PHYS_FLASH_SECT_SIZE 0x00040000 /* 256 KB sectors (x2) */ -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/* Board support for 1 or 2 flash devices */ -#define FLASH_PORT_WIDTH32 -#undef FLASH_PORT_WIDTH16 - -#ifdef FLASH_PORT_WIDTH16 -#define FLASH_PORT_WIDTH ushort -#define FLASH_PORT_WIDTHV vu_short -#define SWAP(x) __swab16(x) -#else -#define FLASH_PORT_WIDTH ulong -#define FLASH_PORT_WIDTHV vu_long -#define SWAP(x) __swab32(x) -#endif - -#define FPW FLASH_PORT_WIDTH -#define FPWV FLASH_PORT_WIDTHV - -#define mb() __asm__ __volatile__ ("" : : : "memory") - - -/* Flash Organization Structure */ -typedef struct OrgDef { - unsigned int sector_number; - unsigned int sector_size; -} OrgDef; - - -/* Flash Organizations */ -OrgDef OrgIntel_28F256L18T[] = { - {4, 32 * 1024}, /* 4 * 32kBytes sectors */ - {255, 128 * 1024}, /* 255 * 128kBytes sectors */ -}; - -/* CP control register base address */ -#define CPCR_BASE 0xCB000000 -#define CPCR_EXTRABANK 0x8 -#define CPCR_FLASHSIZE 0x4 -#define CPCR_FLWREN 0x2 -#define CPCR_FLVPPEN 0x1 - -/*----------------------------------------------------------------------- - * Functions - */ -unsigned long flash_init (void); -static ulong flash_get_size (FPW * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, FPW data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); -void flash_print_info (flash_info_t * info); -void flash_unprotect_sectors (FPWV * addr); -int flash_erase (flash_info_t * info, int s_first, int s_last); -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt); - -/*----------------------------------------------------------------------- - */ -unsigned long flash_init (void) -{ - int i, nbanks; - ulong size = 0; - vu_long *cpcr = (vu_long *)CPCR_BASE; - - /* Check if there is an extra bank of flash */ - if (cpcr[1] & CPCR_EXTRABANK) - nbanks = 2; - else - nbanks = 1; - - if (nbanks > CONFIG_SYS_MAX_FLASH_BANKS) - nbanks = CONFIG_SYS_MAX_FLASH_BANKS; - - /* Enable flash write */ - cpcr[1] |= 3; - - for (i = 0; i < nbanks; i++) { - flash_get_size ((FPW *)(CONFIG_SYS_FLASH_BASE + size), &flash_info[i]); - flash_get_offsets (CONFIG_SYS_FLASH_BASE + size, &flash_info[i]); - size += flash_info[i].size; - } - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE - /* monitor protection */ - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]); -#endif - -#ifdef CONFIG_ENV_IS_IN_FLASH - /* ENV protection ON */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, - &flash_info[0]); -#endif - - /* Protect SIB (0x24800000) and bootMonitor (0x24c00000) */ - flash_protect (FLAG_PROTECT_SET, - flash_info[0].start[62], - flash_info[0].start[63] + PHYS_FLASH_SECT_SIZE - 1, - &flash_info[0]); - - return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - return; - } - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); - info->protect[i] = 0; - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - /* Integrator CP board uses 28F640J3C or 28F128J3C parts, - * which have the same device id numbers as 28F640J3A or - * 28F128J3A - */ - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F256L18T: - printf ("FLASH 28F256L18T\n"); - break; - case FLASH_28F640J3A: - printf ("FLASH 28F640J3C\n"); - break; - case FLASH_28F128J3A: - printf ("FLASH 28F128J3C\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (FPW * addr, flash_info_t * info) -{ - volatile FPW value; - vu_long *cpcr = (vu_long *)CPCR_BASE; - int nsects; - - /* Check the flash size */ - if (cpcr[1] & CPCR_FLASHSIZE) - nsects = 128; - else - nsects = 64; - - if (nsects > CONFIG_SYS_MAX_FLASH_SECT) - nsects = CONFIG_SYS_MAX_FLASH_SECT; - - /* Write auto select command: read Manufacturer ID */ - addr[0x5555] = (FPW) 0x00AA00AA; - addr[0x2AAA] = (FPW) 0x00550055; - addr[0x5555] = (FPW) 0x00900090; - - mb (); - value = addr[0]; - - switch (value) { - - case (FPW) INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - mb (); - value = addr[1]; /* device ID */ - switch (value) { - - case (FPW) (INTEL_ID_28F256L18T): - info->flash_id += FLASH_28F256L18T; - info->sector_count = 259; - info->size = 0x02000000; - break; /* => 32 MB */ - - case (FPW) (INTEL_ID_28F640J3A): - info->flash_id += FLASH_28F640J3A; - info->sector_count = nsects; - info->size = nsects * PHYS_FLASH_SECT_SIZE; - break; - - case (FPW) (INTEL_ID_28F128J3A): - info->flash_id += FLASH_28F128J3A; - info->sector_count = nsects; - info->size = nsects * PHYS_FLASH_SECT_SIZE; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - - return (info->size); -} - - -/* unprotects a sector for write and erase - * on some intel parts, this unprotects the entire chip, but it - * wont hurt to call this additional times per sector... - */ -void flash_unprotect_sectors (FPWV * addr) -{ - FPW status; - - *addr = (FPW) 0x00500050; /* clear status register */ - - /* this sends the clear lock bit command */ - *addr = (FPW) 0x00600060; - *addr = (FPW) 0x00D000D0; - - reset_timer_masked(); - while (((status = *addr) & (FPW)0x00800080) != 0x00800080) { - if (get_timer_masked() > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf("Timeout"); - break; - } - } - - *addr = (FPW) 0x00FF00FF; -} - - -/*----------------------------------------------------------------------- - */ -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong type; - int rcode = 0; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - FPWV *addr = (FPWV *) (info->start[sect]); - FPW status; - - printf ("Erasing sector %2d ... ", sect); - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - /* flash_unprotect_sectors (addr); */ - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - *addr = (FPW) 0x00500050; /* clear status register */ - *addr = (FPW) 0x00200020; /* erase setup */ - *addr = (FPW) 0x00D000D0; /* erase confirm */ - mb(); - - udelay(1000); /* Let's wait 1 ms */ - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) { - *addr = (FPW)0x00700070; - status = *addr; - if ((status & (FPW) 0x00400040) == (FPW) 0x00400040) { - /* erase suspended? Resume it */ - reset_timer_masked(); - *addr = (FPW) 0x00D000D0; - } else { -#ifdef DEBUG - printf ("Timeout,0x%08lx\n", status); -#else - printf("Timeout\n"); -#endif - - *addr = (FPW) 0x00500050; - *addr = (FPW) 0x00FF00FF; /* reset to read mode */ - rcode = 1; - break; - } - } - } - - *addr = (FPW) 0x00FF00FF; /* resest to read mode */ - printf (" done\n"); - } - } - - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong cp, wp; - FPW data; - int count, i, l, rc, port_width; - - if (info->flash_id == FLASH_UNKNOWN) { - return 4; - } -/* get lower word aligned address */ -#ifdef FLASH_PORT_WIDTH16 - wp = (addr & ~1); - port_width = 2; -#else - wp = (addr & ~3); - port_width = 4; -#endif - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - } - - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_data (info, wp, SWAP (data))); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, FPW data) -{ - FPWV *addr = (FPWV *) dest; - ulong status; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr); - return (2); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - /* flash_unprotect_sectors (addr); */ - - *addr = (FPW) 0x00400040; /* write setup */ - *addr = data; - - mb(); - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - /* wait while polling the status register */ - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) { -#ifdef DEBUG - *addr = (FPW) 0x00700070; - status = *addr; - printf("## status=0x%08lx, addr=0x%p\n", status, addr); -#endif - *addr = (FPW) 0x00500050; /* clear status register cmd */ - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - return (1); - } - } - - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - return (0); -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} diff --git a/include/configs/integratorap.h b/include/configs/integratorap.h index 09270ff..e0e8258 100644 --- a/include/configs/integratorap.h +++ b/include/configs/integratorap.h @@ -122,21 +122,21 @@ #define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */ #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */
-#define CONFIG_SYS_FLASH_BASE 0x24000000 +#define CONFIG_SYS_FLASH_BASE 0x24000000
/*----------------------------------------------------------------------- * FLASH and environment organization */ +#define CONFIG_SYS_FLASH_CFI 1 +#define CONFIG_FLASH_CFI_DRIVER 1 #define CONFIG_ENV_IS_NOWHERE #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ -#define PHYS_FLASH_SIZE 0x01000000 /* 16MB */ /* timeout values are in ticks */ #define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */ #define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */ #define CONFIG_SYS_MAX_FLASH_SECT 128 -#define CONFIG_ENV_SIZE 32768 +#define CONFIG_ENV_SIZE 32768
-#define PHYS_FLASH_1 (CONFIG_SYS_FLASH_BASE)
/*----------------------------------------------------------------------- * PCI definitions diff --git a/include/configs/integratorcp.h b/include/configs/integratorcp.h index b4219d0..e38d569 100644 --- a/include/configs/integratorcp.h +++ b/include/configs/integratorcp.h @@ -155,9 +155,11 @@ SIB at Block62 End Block62 address 0x24f80000
*/ #define CONFIG_SYS_FLASH_BASE 0x24000000 +#define CONFIG_SYS_FLASH_CFI 1 +#define CONFIG_FLASH_CFI_DRIVER 1 #define CONFIG_SYS_MAX_FLASH_SECT 64 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ -#define PHYS_FLASH_SIZE 0x01000000 /* 16MB */ +#define PHYS_FLASH_SIZE 0x01000000 /* 16MB */ #define CONFIG_SYS_FLASH_ERASE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Erase */ #define CONFIG_SYS_FLASH_WRITE_TOUT (2*CONFIG_SYS_HZ) /* Timeout for Flash Write */
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD plagnioj@jcrosoft.com Cc: Peter Pearse Peter.Pearse@arm.com --- Makefile | 4 +- board/armltd/integrator/.gitignore | 5 + board/armltd/{integratorap => integrator}/Makefile | 4 +- board/armltd/integrator/config.mk | 7 + .../integratorap.c => integrator/integrator.c} | 10 +- .../{integratorap => integrator}/lowlevel_init.S | 0 board/armltd/{integratorap => integrator}/pci.c | 0 board/armltd/integrator/split_by_variant.sh | 239 ++++++++++++++++++++ board/armltd/{integratorcp => integrator}/timer.c | 67 ++++-- .../u-boot.lds.template | 0 board/armltd/integratorap/config.mk | 11 - board/armltd/integratorap/split_by_variant.sh | 131 ----------- board/armltd/integratorap/timer.c | 171 -------------- board/armltd/integratorcp/Makefile | 53 ----- board/armltd/integratorcp/config.mk | 11 - board/armltd/integratorcp/integratorcp.c | 118 ---------- board/armltd/integratorcp/lowlevel_init.S | 214 ------------------ board/armltd/integratorcp/split_by_variant.sh | 114 ---------- board/armltd/integratorcp/u-boot.lds.template | 53 ----- 19 files changed, 310 insertions(+), 902 deletions(-) create mode 100644 board/armltd/integrator/.gitignore rename board/armltd/{integratorap => integrator}/Makefile (95%) create mode 100644 board/armltd/integrator/config.mk rename board/armltd/{integratorap/integratorap.c => integrator/integrator.c} (93%) rename board/armltd/{integratorap => integrator}/lowlevel_init.S (100%) rename board/armltd/{integratorap => integrator}/pci.c (100%) create mode 100755 board/armltd/integrator/split_by_variant.sh rename board/armltd/{integratorcp => integrator}/timer.c (76%) rename board/armltd/{integratorap => integrator}/u-boot.lds.template (100%) delete mode 100644 board/armltd/integratorap/config.mk delete mode 100755 board/armltd/integratorap/split_by_variant.sh delete mode 100644 board/armltd/integratorap/timer.c delete mode 100644 board/armltd/integratorcp/Makefile delete mode 100644 board/armltd/integratorcp/config.mk delete mode 100644 board/armltd/integratorcp/integratorcp.c delete mode 100644 board/armltd/integratorcp/lowlevel_init.S delete mode 100755 board/armltd/integratorcp/split_by_variant.sh delete mode 100644 board/armltd/integratorcp/u-boot.lds.template
diff --git a/Makefile b/Makefile index 8a0784c..535b556 100644 --- a/Makefile +++ b/Makefile @@ -2764,7 +2764,7 @@ ap720t_config \ ap920t_config \ ap926ejs_config \ ap946es_config: unconfig - @board/armltd/integratorap/split_by_variant.sh $@ + @board/armltd/integrator/split_by_variant.sh ap $@
integratorcp_config \ cp_config \ @@ -2776,7 +2776,7 @@ cp966_config \ cp922_config \ cp922_XA10_config \ cp1026_config: unconfig - @board/armltd/integratorcp/split_by_variant.sh $@ + @board/armltd/integrator/split_by_variant.sh cp $@
davinci_dvevm_config : unconfig @$(MKCONFIG) $(@:_config=) arm arm926ejs dvevm davinci davinci diff --git a/board/armltd/integrator/.gitignore b/board/armltd/integrator/.gitignore new file mode 100644 index 0000000..8a8c3b8 --- /dev/null +++ b/board/armltd/integrator/.gitignore @@ -0,0 +1,5 @@ +# +# Generated files +# + +/u-boot.lds diff --git a/board/armltd/integratorap/Makefile b/board/armltd/integrator/Makefile similarity index 95% rename from board/armltd/integratorap/Makefile rename to board/armltd/integrator/Makefile index da82f5c..d14f6fc 100644 --- a/board/armltd/integratorap/Makefile +++ b/board/armltd/integrator/Makefile @@ -31,7 +31,7 @@ LIB = $(obj)lib$(BOARD).a
SOBJS-y := lowlevel_init.o
-COBJS-y := integratorap.o +COBJS-y := integrator.o COBJS-$(CONFIG_PCI) += pci.o COBJS-y += timer.o
@@ -46,7 +46,7 @@ clean: rm -f $(SOBJS) $(COBJS)
distclean: clean - rm -f $(LIB) core *.bak $(obj).depend + rm -f $(LIB) core *.bak $(obj).depend $(obj)u-boot.lds
#########################################################################
diff --git a/board/armltd/integrator/config.mk b/board/armltd/integrator/config.mk new file mode 100644 index 0000000..4c56aaf --- /dev/null +++ b/board/armltd/integrator/config.mk @@ -0,0 +1,7 @@ +# +# image should be loaded at 0x01000000 +# + +TEXT_BASE = 0x01000000 + +LDSCRIPT := $(obj)board/$(BOARDDIR)/u-boot.lds diff --git a/board/armltd/integratorap/integratorap.c b/board/armltd/integrator/integrator.c similarity index 93% rename from board/armltd/integratorap/integratorap.c rename to board/armltd/integrator/integrator.c index f58956e..b49be77 100644 --- a/board/armltd/integratorap/integratorap.c +++ b/board/armltd/integrator/integrator.c @@ -34,7 +34,9 @@ */
#include <common.h> +#ifdef CONFIG_PCI #include <netdev.h> +#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -56,7 +58,11 @@ void show_boot_progress(int progress) int board_init (void) { /* arch number of Integrator Board */ +#ifdef CONFIG_ARCH_CINTEGRATOR + gd->bd->bi_arch_number = MACH_TYPE_CINTEGRATOR; +#else gd->bd->bi_arch_number = MACH_TYPE_INTEGRATOR; +#endif
/* adress of boot parameters */ gd->bd->bi_boot_params = 0x00000100; @@ -102,7 +108,7 @@ extern void dram_query(void);
/* Obtain the SDRAM size from the CM SDRAM register */
- cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM); + cm_reg_sdram = readl(CM_BASE + OS_SDRAM); /* Register SDRAM size * * 0xXXXXXXbbb000bb 16 MB @@ -121,7 +127,9 @@ extern void dram_query(void); return 0; }
+#ifdef CONFIG_PCI int board_eth_init(bd_t *bis) { return pci_eth_init(bis); } +#endif diff --git a/board/armltd/integratorap/lowlevel_init.S b/board/armltd/integrator/lowlevel_init.S similarity index 100% rename from board/armltd/integratorap/lowlevel_init.S rename to board/armltd/integrator/lowlevel_init.S diff --git a/board/armltd/integratorap/pci.c b/board/armltd/integrator/pci.c similarity index 100% rename from board/armltd/integratorap/pci.c rename to board/armltd/integrator/pci.c diff --git a/board/armltd/integrator/split_by_variant.sh b/board/armltd/integrator/split_by_variant.sh new file mode 100755 index 0000000..13643cf --- /dev/null +++ b/board/armltd/integrator/split_by_variant.sh @@ -0,0 +1,239 @@ +#!/bin/sh + +mkdir -p ${obj}include +mkdir -p ${obj}board/armltd/integrator + +config_file=${obj}include/config.h + +if [ "$1" = "ap" ] +then +# --------------------------------------------------------- +# Set the platform defines +# --------------------------------------------------------- +echo -n "/* Integrator configuration implied " > ${config_file} +echo " by Makefile target */" >> ${config_file} +echo -n "#define CONFIG_INTEGRATOR" >> ${config_file} +echo " /* Integrator board */" >> ${config_file} +echo -n "#define CONFIG_ARCH_INTEGRATOR" >> ${config_file} +echo " 1 /* Integrator/AP */" >> ${config_file} +# --------------------------------------------------------- +# Set the core module defines according to Core Module +# --------------------------------------------------------- +cpu="arm_intcm" +variant="unknown core module" + +if [ "$2" = "" ] +then + echo "$0:: No parameters - using arm_intcm" +else + case "$2" in + ap7_config) + cpu="arm_intcm" + variant="unported core module CM7TDMI" + ;; + + ap966) + cpu="arm_intcm" + variant="unported core module CM966E-S" + ;; + + ap922_config) + cpu="arm_intcm" + variant="unported core module CM922T" + ;; + + integratorap_config | \ + ap_config) + cpu="arm_intcm" + variant="unspecified core module" + ;; + + ap720t_config) + cpu="arm720t" + echo -n "#define CONFIG_CM720T" >> ${config_file} + echo " 1 /* CPU core is ARM720T */ " >> ${config_file} + variant="Core module CM720T" + ;; + + ap922_XA10_config) + cpu="arm_intcm" + variant="unported core module CM922T_XA10" + echo -n "#define CONFIG_CM922T_XA10" >> ${config_file} + echo " 1 /* CPU core is ARM922T_XA10 */" >> ${config_file} + ;; + + ap920t_config) + cpu="arm920t" + variant="Core module CM920T" + echo -n "#define CONFIG_CM920T" >> ${config_file} + echo " 1 /* CPU core is ARM920T */" >> ${config_file} + ;; + + ap926ejs_config) + cpu="arm926ejs" + variant="Core module CM926EJ-S" + echo -n "#define CONFIG_CM926EJ_S" >> ${config_file} + echo " 1 /* CPU core is ARM926EJ-S */ " >> ${config_file} + ;; + + ap946es_config) + cpu="arm946es" + variant="Core module CM946E-S" + echo -n "#define CONFIG_CM946E_S" >> ${config_file} + echo " 1 /* CPU core is ARM946E-S */ " >> ${config_file} + ;; + + *) + echo "$0:: Unknown core module" + variant="unknown core module" + cpu="arm_intcm" + ;; + + esac +fi + +case "$cpu" in + arm_intcm) + echo "/* Core module undefined/not ported */" >> ${config_file} + echo "#define CONFIG_ARM_INTCM 1" >> ${config_file} + echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> ${config_file} + echo -n " /* CM may not have " >> ${config_file} + echo "multiple SSRAM mapping */" >> ${config_file} + echo -n "#undef CONFIG_CM_SPD_DETECT " >> ${config_file} + echo -n " /* CM may not support SPD " >> ${config_file} + echo "query */" >> ${config_file} + echo -n "#undef CONFIG_CM_REMAP " >> ${config_file} + echo -n " /* CM may not support " >> ${config_file} + echo "remapping */" >> ${config_file} + echo -n "#undef CONFIG_CM_INIT " >> ${config_file} + echo -n " /* CM may not have " >> ${config_file} + echo "initialization reg */" >> ${config_file} + echo -n "#undef CONFIG_CM_TCRAM " >> ${config_file} + echo " /* CM may not have TCRAM */" >> ${config_file} + echo -n " /* May not be processor " >> ${config_file} + echo "without cache support */" >> ${config_file} + echo "#define CONFIG_SYS_NO_ICACHE 1" >> ${config_file} + echo "#define CONFIG_SYS_NO_DCACHE 1" >> ${config_file} + ;; + + arm720t) + echo -n " /* May not be processor " >> ${config_file} + echo "without cache support */" >> ${config_file} + echo "#define CONFIG_SYS_NO_ICACHE 1" >> ${config_file} + echo "#define CONFIG_SYS_NO_DCACHE 1" >> ${config_file} + ;; +esac + +else + +# --------------------------------------------------------- +# Set the platform defines +# --------------------------------------------------------- +echo -n "/* Integrator configuration implied " > ${config_file} +echo " by Makefile target */" >> ${config_file} +echo -n "#define CONFIG_INTEGRATOR" >> ${config_file} +echo " /* Integrator board */" >> ${config_file} +echo -n "#define CONFIG_ARCH_CINTEGRATOR" >> ${config_file} +echo " 1 /* Integrator/CP */" >> ${config_file} + +cpu="arm_intcm" +variant="unknown core module" + +if [ "$2" = "" ] +then + echo "$0:: No parameters - using arm_intcm" +else + case "$2" in + ap966) + cpu="arm_intcm" + variant="unported core module CM966E-S" + ;; + + ap922_config) + cpu="arm_intcm" + variant="unported core module CM922T" + ;; + + integratorcp_config | \ + cp_config) + cpu="arm_intcm" + variant="unspecified core module" + ;; + + cp922_XA10_config) + cpu="arm_intcm" + variant="unported core module CM922T_XA10" + echo -n "#define CONFIG_CM922T_XA10" >> ${config_file} + echo " 1 /* CPU core is ARM922T_XA10 */" >> ${config_file} + ;; + + cp920t_config) + cpu="arm920t" + variant="Core module CM920T" + echo -n "#define CONFIG_CM920T" >> ${config_file} + echo " 1 /* CPU core is ARM920T */" >> ${config_file} + ;; + + cp926ejs_config) + cpu="arm926ejs" + variant="Core module CM926EJ-S" + echo -n "#define CONFIG_CM926EJ_S" >> ${config_file} + echo " 1 /* CPU core is ARM926EJ-S */ " >> ${config_file} + ;; + + + cp946es_config) + cpu="arm946es" + variant="Core module CM946E-S" + echo -n "#define CONFIG_CM946E_S" >> ${config_file} + echo " 1 /* CPU core is ARM946E-S */ " >> ${config_file} + ;; + + cp1136_config) + cpu="arm1136" + variant="Core module CM1136EJF-S" + echo -n "#define CONFIG_CM1136EJF_S" >> ${config_file} + echo " 1 /* CPU core is ARM1136JF-S */ " >> ${config_file} + ;; + + *) + echo "$0:: Unknown core module" + variant="unknown core module" + cpu="arm_intcm" + ;; + + esac + +fi + +if [ "$cpu" = "arm_intcm" ] +then + echo "/* Core module undefined/not ported */" >> ${config_file} + echo "#define CONFIG_ARM_INTCM 1" >> ${config_file} + echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> ${config_file} + echo -n " /* CM may not have " >> ${config_file} + echo "multiple SSRAM mapping */" >> ${config_file} + echo -n "#undef CONFIG_CM_SPD_DETECT " >> ${config_file} + echo -n " /* CM may not support SPD " >> ${config_file} + echo "query */" >> ${config_file} + echo -n "#undef CONFIG_CM_REMAP " >> ${config_file} + echo -n " /* CM may not support " >> ${config_file} + echo "remapping */" >> ${config_file} + echo -n "#undef CONFIG_CM_INIT " >> ${config_file} + echo -n " /* CM may not have " >> ${config_file} + echo "initialization reg */" >> ${config_file} + echo -n "#undef CONFIG_CM_TCRAM " >> ${config_file} + echo " /* CM may not have TCRAM */" >> ${config_file} +fi + +fi # ap + +# --------------------------------------------------------- +# Ensure correct core object loaded first in U-Boot image +# --------------------------------------------------------- +sed -r 's/CPU_FILE/cpu/'$cpu'/start.o/; s/#.*//' ${src}board/armltd/integrator/u-boot.lds.template > ${obj}board/armltd/integrator/u-boot.lds +# --------------------------------------------------------- +# Complete the configuration +# --------------------------------------------------------- +$MKCONFIG -a integrator$1 arm $cpu integrator armltd; +echo "Variant:: $variant with core $cpu" diff --git a/board/armltd/integratorcp/timer.c b/board/armltd/integrator/timer.c similarity index 76% rename from board/armltd/integratorcp/timer.c rename to board/armltd/integrator/timer.c index 741035c..1d7e38c 100644 --- a/board/armltd/integratorcp/timer.c +++ b/board/armltd/integrator/timer.c @@ -34,8 +34,16 @@ */
#include <common.h> +#include <asm/io.h> #include <div64.h>
+#ifdef CONFIG_ARCH_CINTEGRATOR +#define DIV_CLOCK_INIT 1 +#define TIMER_LOAD_VAL 0xFFFFFFFFL +#else +#define DIV_CLOCK_INIT 256 +#define TIMER_LOAD_VAL 0x0000FFFFL +#endif /* The Integrator/CP timer1 is clocked at 1MHz * can be divided by 16 or 256 * and can be set up as a 32-bit timer @@ -44,15 +52,15 @@ /* Keep total timer count to avoid losing decrements < div_timer */ static unsigned long long total_count = 0; static unsigned long long lastdec; /* Timer reading at last call */ -static unsigned long long div_clock = 1; /* Divisor applied to timer clock */ +/* Divisor applied to timer clock */ +static unsigned long long div_clock = DIV_CLOCK_INIT; static unsigned long long div_timer = 1; /* Divisor to convert timer reading * change to U-Boot ticks */ /* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */ -static ulong timestamp; /* U-Boot ticks since startup */ +static ulong timestamp; /* U-Boot ticks since startup */
-#define TIMER_LOAD_VAL ((ulong)0xFFFFFFFF) -#define READ_TIMER (*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) +#define READ_TIMER (readl(CONFIG_SYS_TIMERBASE + 4) & TIMER_LOAD_VAL)
/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec * - unless otherwise stated @@ -63,23 +71,36 @@ static ulong timestamp; /* U-Boot ticks since startup */ int timer_init (void) { /* Load timer with initial value */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL; + writel(TIMER_LOAD_VAL, CONFIG_SYS_TIMERBASE); +#ifdef CONFIG_ARCH_CINTEGRATOR /* Set timer to be - * enabled 1 - * periodic 1 - * no interrupts 0 - * X 0 - * divider 1 00 == less rounding error - * 32 bit 1 - * wrapping 0 + * enabled 1 + * periodic 1 + * no interrupts 0 + * X 0 + * divider 1 00 == less rounding error + * 32 bit 1 + * wrapping 0 */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x000000C2; + writel(0x000000C2, CONFIG_SYS_TIMERBASE + 8); +#else + /* Set timer to be + * enabled 1 + * free-running 0 + * XX 00 + * divider 256 10 + * XX 00 + */ + writel(0x00000088, CONFIG_SYS_TIMERBASE + 8); +#endif + /* init the timestamp */ total_count = 0ULL; reset_timer_masked();
- div_timer = (unsigned long long)(CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ); - div_timer /= div_clock; + div_timer = CONFIG_SYS_HZ_CLOCK; + do_div(div_timer, CONFIG_SYS_HZ); + do_div(div_timer, div_clock);
return (0); } @@ -100,7 +121,7 @@ ulong get_timer (ulong base_ticks) void set_timer (ulong ticks) { timestamp = ticks; - total_count = (unsigned long long)ticks * div_timer; + total_count = ticks * div_timer; }
/* delay usec useconds */ @@ -123,7 +144,7 @@ void udelay (unsigned long usec) void reset_timer_masked (void) { /* capure current decrementer value */ - lastdec = (unsigned long long)READ_TIMER; + lastdec = READ_TIMER; /* start "advancing" time stamp from 0 */ timestamp = 0L; } @@ -133,7 +154,7 @@ void reset_timer_masked (void) ulong get_timer_masked (void) { /* get current count */ - unsigned long long now = (unsigned long long)READ_TIMER; + unsigned long long now = READ_TIMER;
if(now > lastdec) { /* Must have wrapped */ @@ -141,7 +162,7 @@ ulong get_timer_masked (void) } else { total_count += lastdec - now; } - lastdec = now; + lastdec = now;
/* Reuse "now" */ now = total_count; @@ -163,7 +184,7 @@ void udelay_masked (unsigned long usec) */ unsigned long long get_ticks(void) { - return (unsigned long long)get_timer(0); + return get_timer(0); }
/* @@ -172,5 +193,9 @@ unsigned long long get_ticks(void) */ ulong get_tbclk (void) { - return (ulong)(((unsigned long long)CONFIG_SYS_HZ_CLOCK)/div_clock); + unsigned long long tmp = CONFIG_SYS_HZ_CLOCK; + + do_div(tmp, div_clock); + + return tmp; } diff --git a/board/armltd/integratorap/u-boot.lds.template b/board/armltd/integrator/u-boot.lds.template similarity index 100% rename from board/armltd/integratorap/u-boot.lds.template rename to board/armltd/integrator/u-boot.lds.template diff --git a/board/armltd/integratorap/config.mk b/board/armltd/integratorap/config.mk deleted file mode 100644 index e4c5c3b..0000000 --- a/board/armltd/integratorap/config.mk +++ /dev/null @@ -1,11 +0,0 @@ -# -# image should be loaded at 0x01000000 -# - -TEXT_BASE = 0x01000000 - -ifneq ($(OBJTREE),$(SRCTREE)) -# We are building u-boot in a separate directory, use generated -# .lds script from OBJTREE directory. -LDSCRIPT := $(OBJTREE)/board/$(BOARDDIR)/u-boot.lds -endif diff --git a/board/armltd/integratorap/split_by_variant.sh b/board/armltd/integratorap/split_by_variant.sh deleted file mode 100755 index 2c9fe2e..0000000 --- a/board/armltd/integratorap/split_by_variant.sh +++ /dev/null @@ -1,131 +0,0 @@ -#!/bin/sh -# --------------------------------------------------------- -# Set the platform defines -# --------------------------------------------------------- -echo -n "/* Integrator configuration implied " > tmp.fil -echo " by Makefile target */" >> tmp.fil -echo -n "#define CONFIG_INTEGRATOR" >> tmp.fil -echo " /* Integrator board */" >> tmp.fil -echo -n "#define CONFIG_ARCH_INTEGRATOR" >> tmp.fil -echo " 1 /* Integrator/AP */" >> tmp.fil -# --------------------------------------------------------- -# Set the core module defines according to Core Module -# --------------------------------------------------------- -cpu="arm_intcm" -variant="unknown core module" - -if [ "$1" = "" ] -then - echo "$0:: No parameters - using arm_intcm" -else - case "$1" in - ap7_config) - cpu="arm_intcm" - variant="unported core module CM7TDMI" - ;; - - ap966) - cpu="arm_intcm" - variant="unported core module CM966E-S" - ;; - - ap922_config) - cpu="arm_intcm" - variant="unported core module CM922T" - ;; - - integratorap_config | \ - ap_config) - cpu="arm_intcm" - variant="unspecified core module" - ;; - - ap720t_config) - cpu="arm720t" - echo -n "#define CONFIG_CM720T" >> tmp.fil - echo " 1 /* CPU core is ARM720T */ " >> tmp.fil - variant="Core module CM720T" - ;; - - ap922_XA10_config) - cpu="arm_intcm" - variant="unported core module CM922T_XA10" - echo -n "#define CONFIG_CM922T_XA10" >> tmp.fil - echo " 1 /* CPU core is ARM922T_XA10 */" >> tmp.fil - ;; - - ap920t_config) - cpu="arm920t" - variant="Core module CM920T" - echo -n "#define CONFIG_CM920T" >> tmp.fil - echo " 1 /* CPU core is ARM920T */" >> tmp.fil - ;; - - ap926ejs_config) - cpu="arm926ejs" - variant="Core module CM926EJ-S" - echo -n "#define CONFIG_CM926EJ_S" >> tmp.fil - echo " 1 /* CPU core is ARM926EJ-S */ " >> tmp.fil - ;; - - ap946es_config) - cpu="arm946es" - variant="Core module CM946E-S" - echo -n "#define CONFIG_CM946E_S" >> tmp.fil - echo " 1 /* CPU core is ARM946E-S */ " >> tmp.fil - ;; - - *) - echo "$0:: Unknown core module" - variant="unknown core module" - cpu="arm_intcm" - ;; - - esac -fi - -case "$cpu" in - arm_intcm) - echo "/* Core module undefined/not ported */" >> tmp.fil - echo "#define CONFIG_ARM_INTCM 1" >> tmp.fil - echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> tmp.fil - echo -n " /* CM may not have " >> tmp.fil - echo "multiple SSRAM mapping */" >> tmp.fil - echo -n "#undef CONFIG_CM_SPD_DETECT " >> tmp.fil - echo -n " /* CM may not support SPD " >> tmp.fil - echo "query */" >> tmp.fil - echo -n "#undef CONFIG_CM_REMAP " >> tmp.fil - echo -n " /* CM may not support " >> tmp.fil - echo "remapping */" >> tmp.fil - echo -n "#undef CONFIG_CM_INIT " >> tmp.fil - echo -n " /* CM may not have " >> tmp.fil - echo "initialization reg */" >> tmp.fil - echo -n "#undef CONFIG_CM_TCRAM " >> tmp.fil - echo " /* CM may not have TCRAM */" >> tmp.fil - echo -n " /* May not be processor " >> tmp.fil - echo "without cache support */" >> tmp.fil - echo "#define CONFIG_SYS_NO_ICACHE 1" >> tmp.fil - echo "#define CONFIG_SYS_NO_DCACHE 1" >> tmp.fil - ;; - - arm720t) - echo -n " /* May not be processor " >> tmp.fil - echo "without cache support */" >> tmp.fil - echo "#define CONFIG_SYS_NO_ICACHE 1" >> tmp.fil - echo "#define CONFIG_SYS_NO_DCACHE 1" >> tmp.fil - ;; -esac - -mkdir -p ${obj}include -mkdir -p ${obj}board/armltd/integratorap -mv tmp.fil ${obj}include/config.h -# --------------------------------------------------------- -# Ensure correct core object loaded first in U-Boot image -# --------------------------------------------------------- -sed -r 's/CPU_FILE/cpu/'$cpu'/start.o/; s/#.*//' ${src}board/armltd/integratorap/u-boot.lds.template > ${obj}board/armltd/integratorap/u-boot.lds -# --------------------------------------------------------- -# Complete the configuration -# --------------------------------------------------------- -$MKCONFIG -a integratorap arm $cpu integratorap armltd; -echo "Variant:: $variant with core $cpu" - diff --git a/board/armltd/integratorap/timer.c b/board/armltd/integratorap/timer.c deleted file mode 100644 index e85f8b6..0000000 --- a/board/armltd/integratorap/timer.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger mgroeger@sysgo.de - * - * (C) Copyright 2002 - * David Mueller, ELSOFT AG, d.mueller@elsoft.ch - * - * (C) Copyright 2003 - * Texas Instruments, <www.ti.com> - * Kshitij Gupta Kshitij@ti.com - * - * (C) Copyright 2004 - * ARM Ltd. - * Philippe Robin, philippe.robin@arm.com - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> - -/* The Integrator/AP timer1 is clocked at 24MHz - * can be divided by 16 or 256 - * and is a 16-bit counter - */ -/* U-Boot expects a 32 bit timer running at CONFIG_SYS_HZ*/ -static ulong timestamp; /* U-Boot ticks since startup */ -static ulong total_count = 0; /* Total timer count */ -static ulong lastdec; /* Timer reading at last call */ -static ulong div_clock = 256; /* Divisor applied to the timer clock */ -static ulong div_timer = 1; /* Divisor to convert timer reading - * change to U-Boot ticks - */ -/* CONFIG_SYS_HZ = CONFIG_SYS_HZ_CLOCK/(div_clock * div_timer) */ - -#define TIMER_LOAD_VAL 0x0000FFFFL -#define READ_TIMER ((*(volatile ulong *)(CONFIG_SYS_TIMERBASE+4)) & 0x0000FFFFL) - -/* all function return values in U-Boot ticks i.e. (1/CONFIG_SYS_HZ) sec - * - unless otherwise stated - */ - -/* starts a counter - * - the Integrator/AP timer issues an interrupt - * each time it reaches zero - */ -int timer_init (void) -{ - /* Load timer with initial value */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 0) = TIMER_LOAD_VAL; - /* Set timer to be - * enabled 1 - * free-running 0 - * XX 00 - * divider 256 10 - * XX 00 - */ - *(volatile ulong *)(CONFIG_SYS_TIMERBASE + 8) = 0x00000088; - total_count = 0; - /* init the timestamp and lastdec value */ - reset_timer_masked(); - - div_timer = CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ; - div_timer /= div_clock; - - return (0); -} - -/* - * timer without interrupts - */ -void reset_timer (void) -{ - reset_timer_masked (); -} - -ulong get_timer (ulong base_ticks) -{ - return get_timer_masked () - base_ticks; -} - -void set_timer (ulong ticks) -{ - timestamp = ticks; - total_count = ticks * div_timer; - reset_timer_masked(); -} - -/* delay x useconds */ -void udelay (unsigned long usec) -{ - ulong tmo, tmp; - - /* Convert to U-Boot ticks */ - tmo = usec * CONFIG_SYS_HZ; - tmo /= (1000000L); - - tmp = get_timer_masked(); /* get current timestamp */ - tmo += tmp; /* wake up timestamp */ - - while (get_timer_masked () < tmo) { /* loop till event */ - /*NOP*/; - } -} - -void reset_timer_masked (void) -{ - /* reset time */ - lastdec = READ_TIMER; /* capture current decrementer value */ - timestamp = 0; /* start "advancing" time stamp from 0 */ -} - -/* converts the timer reading to U-Boot ticks */ -/* the timestamp is the number of ticks since reset */ -/* This routine does not detect wraps unless called regularly - ASSUMES a call at least every 16 seconds to detect every reload */ -ulong get_timer_masked (void) -{ - ulong now = READ_TIMER; /* current count */ - - if (now > lastdec) { - /* Must have wrapped */ - total_count += lastdec + TIMER_LOAD_VAL + 1 - now; - } else { - total_count += lastdec - now; - } - lastdec = now; - timestamp = total_count/div_timer; - - return timestamp; -} - -/* waits specified delay value and resets timestamp */ -void udelay_masked (unsigned long usec) -{ - udelay(usec); -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * Return the timebase clock frequency - * i.e. how often the timer decrements - */ -ulong get_tbclk (void) -{ - return CONFIG_SYS_HZ_CLOCK/div_clock; -} diff --git a/board/armltd/integratorcp/Makefile b/board/armltd/integratorcp/Makefile deleted file mode 100644 index 76a85d9..0000000 --- a/board/armltd/integratorcp/Makefile +++ /dev/null @@ -1,53 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).a - -SOBJS := lowlevel_init.o - -COBJS := integratorcp.o -COBJS += timer.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/armltd/integratorcp/config.mk b/board/armltd/integratorcp/config.mk deleted file mode 100644 index e4c5c3b..0000000 --- a/board/armltd/integratorcp/config.mk +++ /dev/null @@ -1,11 +0,0 @@ -# -# image should be loaded at 0x01000000 -# - -TEXT_BASE = 0x01000000 - -ifneq ($(OBJTREE),$(SRCTREE)) -# We are building u-boot in a separate directory, use generated -# .lds script from OBJTREE directory. -LDSCRIPT := $(OBJTREE)/board/$(BOARDDIR)/u-boot.lds -endif diff --git a/board/armltd/integratorcp/integratorcp.c b/board/armltd/integratorcp/integratorcp.c deleted file mode 100644 index 5897147..0000000 --- a/board/armltd/integratorcp/integratorcp.c +++ /dev/null @@ -1,118 +0,0 @@ -/* - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger mgroeger@sysgo.de - * - * (C) Copyright 2002 - * David Mueller, ELSOFT AG, d.mueller@elsoft.ch - * - * (C) Copyright 2003 - * Texas Instruments, <www.ti.com> - * Kshitij Gupta Kshitij@ti.com - * - * (C) Copyright 2004 - * ARM Ltd. - * Philippe Robin, philippe.robin@arm.com - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> - -DECLARE_GLOBAL_DATA_PTR; - -void peripheral_power_enable (void); - -#if defined(CONFIG_SHOW_BOOT_PROGRESS) -void show_boot_progress(int progress) -{ - printf("Boot reached stage %d\n", progress); -} -#endif - -#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF) - -/* - * Miscellaneous platform dependent initialisations - */ - -int board_init (void) -{ - /* arch number of Integrator Board */ - gd->bd->bi_arch_number = MACH_TYPE_CINTEGRATOR; - - /* adress of boot parameters */ - gd->bd->bi_boot_params = 0x00000100; - - gd->flags = 0; - -#ifdef CONFIG_CM_REMAP -extern void cm_remap(void); - cm_remap(); /* remaps writeable memory to 0x00000000 */ -#endif - - icache_enable (); - - return 0; -} - -int misc_init_r (void) -{ - setenv("verify", "n"); - return (0); -} - -/****************************** - Routine: - Description: -******************************/ -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - -#ifdef CONFIG_CM_SPD_DETECT - { -extern void dram_query(void); - unsigned long cm_reg_sdram; - unsigned long sdram_shift; - - dram_query(); /* Assembler accesses to CM registers */ - /* Queries the SPD values */ - - /* Obtain the SDRAM size from the CM SDRAM register */ - - cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM); - /* Register SDRAM size - * - * 0xXXXXXXbbb000bb 16 MB - * 0xXXXXXXbbb001bb 32 MB - * 0xXXXXXXbbb010bb 64 MB - * 0xXXXXXXbbb011bb 128 MB - * 0xXXXXXXbbb100bb 256 MB - * - */ - sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4; - gd->bd->bi_dram[0].size = 0x01000000 << sdram_shift; - - } -#endif /* CM_SPD_DETECT */ - - return 0; -} diff --git a/board/armltd/integratorcp/lowlevel_init.S b/board/armltd/integratorcp/lowlevel_init.S deleted file mode 100644 index 18f7d2e..0000000 --- a/board/armltd/integratorcp/lowlevel_init.S +++ /dev/null @@ -1,214 +0,0 @@ -/* - * Board specific setup info - * - * (C) Copyright 2003, ARM Ltd. - * Philippe Robin, philippe.robin@arm.com - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <version.h> - -/* Reset using CM control register */ -.global reset_cpu -reset_cpu: - mov r0, #CM_BASE - ldr r1,[r0,#OS_CTRL] - orr r1,r1,#CMMASK_RESET - str r1,[r0,#OS_CTRL] - -reset_failed: - b reset_failed - -/* Set up the platform, once the cpu has been initialized */ -.globl lowlevel_init -lowlevel_init: - /* If U-Boot has been run after the ARM boot monitor - * then all the necessary actions have been done - * otherwise we are running from user flash mapped to 0x00000000 - * --- DO NOT REMAP BEFORE THE CODE HAS BEEN RELOCATED -- - * Changes to the (possibly soft) reset defaults of the processor - * itself should be performed in cpu/arm<>/start.S - * This function affects only the core module or board settings - */ - -#ifdef CONFIG_CM_INIT - /* CM has an initialization register - * - bits in it are wired into test-chip pins to force - * reset defaults - * - may need to change its contents for U-Boot - */ - - /* set the desired CM specific value */ - mov r2,#CMMASK_LOWVEC /* Vectors at 0x00000000 for all */ - -#if defined (CONFIG_CM10200E) || defined (CONFIG_CM10220E) - orr r2,r2,#CMMASK_INIT_102 -#else - -#if !defined (CONFIG_CM920T) && !defined (CONFIG_CM920T_ETM) && \ - !defined (CONFIG_CM940T) - /* CMxx6 code */ - -#ifdef CONFIG_CM_MULTIPLE_SSRAM - /* set simple mapping */ - and r2,r2,#CMMASK_MAP_SIMPLE -#endif /* #ifdef CONFIG_CM_MULTIPLE_SSRAM */ - -#ifdef CONFIG_CM_TCRAM - /* disable TCRAM */ - and r2,r2,#CMMASK_TCRAM_DISABLE -#endif /* #ifdef CONFIG_CM_TCRAM */ - -#if defined (CONFIG_CM926EJ_S) || defined (CONFIG_CM1026EJ_S) || \ - defined (CONFIG_CM1136JF_S) - - and r2,r2,#CMMASK_LE - -#endif /* cpu with little endian initialization */ - - orr r2,r2,#CMMASK_CMxx6_COMMON - -#endif /* CMxx6 code */ - -#endif /* ARM102xxE value */ - - /* read CM_INIT */ - mov r0, #CM_BASE - ldr r1, [r0, #OS_INIT] - /* check against desired bit setting */ - and r3,r1,r2 - cmp r3,r2 - beq init_reg_OK - - /* lock for change */ - mov r3, #CMVAL_LOCK1 - and r3, r3, #CMVAL_LOCK2 - str r3, [r0, #OS_LOCK] - /* set desired value */ - orr r1,r1,r2 - /* write & relock CM_INIT */ - str r1, [r0, #OS_INIT] - mov r1, #CMVAL_UNLOCK - str r1, [r0, #OS_LOCK] - - /* soft reset so new values used */ - b reset_cpu - -init_reg_OK: - -#endif /* CONFIG_CM_INIT */ - - mov pc, lr - -#ifdef CONFIG_CM_SPD_DETECT - /* Fast memory is available for the DRAM data - * - ensure it has been transferred, then summarize the data - * into a CM register - */ -.globl dram_query -dram_query: - stmfd r13!,{r4-r6,lr} - /* set up SDRAM info */ - /* - based on example code from the CM User Guide */ - mov r0, #CM_BASE - -readspdbit: - ldr r1, [r0, #OS_SDRAM] /* read the SDRAM register */ - and r1, r1, #0x20 /* mask SPD bit (5) */ - cmp r1, #0x20 /* test if set */ - bne readspdbit - -setupsdram: - add r0, r0, #OS_SPD /* address the copy of the SDP data */ - ldrb r1, [r0, #3] /* number of row address lines */ - ldrb r2, [r0, #4] /* number of column address lines */ - ldrb r3, [r0, #5] /* number of banks */ - ldrb r4, [r0, #31] /* module bank density */ - mul r5, r4, r3 /* size of SDRAM (MB divided by 4) */ - mov r5, r5, ASL#2 /* size in MB */ - mov r0, #CM_BASE /* reload for later code */ - cmp r5, #0x10 /* is it 16MB? */ - bne not16 - mov r6, #0x2 /* store size and CAS latency of 2 */ - b writesize - -not16: - cmp r5, #0x20 /* is it 32MB? */ - bne not32 - mov r6, #0x6 - b writesize - -not32: - cmp r5, #0x40 /* is it 64MB? */ - bne not64 - mov r6, #0xa - b writesize - -not64: - cmp r5, #0x80 /* is it 128MB? */ - bne not128 - mov r6, #0xe - b writesize - -not128: - /* if it is none of these sizes then it is either 256MB, or - * there is no SDRAM fitted so default to 256MB - */ - mov r6, #0x12 - -writesize: - mov r1, r1, ASL#8 /* row addr lines from SDRAM reg */ - orr r2, r1, r2, ASL#12 /* OR in column address lines */ - orr r3, r2, r3, ASL#16 /* OR in number of banks */ - orr r6, r6, r3 /* OR in size and CAS latency */ - str r6, [r0, #OS_SDRAM] /* store SDRAM parameters */ - -#endif /* #ifdef CONFIG_CM_SPD_DETECT */ - - ldmfd r13!,{r4-r6,pc} /* back to caller */ - -#ifdef CONFIG_CM_REMAP - /* CM remap bit is operational - * - use it to map writeable memory at 0x00000000, in place of flash - */ -.globl cm_remap -cm_remap: - stmfd r13!,{r4-r10,lr} - - mov r0, #CM_BASE - ldr r1, [r0, #OS_CTRL] - orr r1, r1, #CMMASK_REMAP /* set remap and led bits */ - str r1, [r0, #OS_CTRL] - - /* Now 0x00000000 is writeable, replace the vectors */ - ldr r0, =_start /* r0 <- start of vectors */ - ldr r2, =_armboot_start /* r2 <- past vectors */ - sub r1,r1,r1 /* destination 0x00000000 */ - -copy_vec: - ldmia r0!, {r3-r10} /* copy from source address [r0] */ - stmia r1!, {r3-r10} /* copy to target address [r1] */ - cmp r0, r2 /* until source end address [r2] */ - ble copy_vec - - ldmfd r13!,{r4-r10,pc} /* back to caller */ - -#endif /* #ifdef CONFIG_CM_REMAP */ diff --git a/board/armltd/integratorcp/split_by_variant.sh b/board/armltd/integratorcp/split_by_variant.sh deleted file mode 100755 index 34422fd..0000000 --- a/board/armltd/integratorcp/split_by_variant.sh +++ /dev/null @@ -1,114 +0,0 @@ -#!/bin/sh -# --------------------------------------------------------- -# Set the platform defines -# --------------------------------------------------------- -echo -n "/* Integrator configuration implied " > tmp.fil -echo " by Makefile target */" >> tmp.fil -echo -n "#define CONFIG_INTEGRATOR" >> tmp.fil -echo " /* Integrator board */" >> tmp.fil -echo -n "#define CONFIG_ARCH_CINTEGRATOR" >> tmp.fil -echo " 1 /* Integrator/CP */" >> tmp.fil - -cpu="arm_intcm" -variant="unknown core module" - -if [ "$1" = "" ] -then - echo "$0:: No parameters - using arm_intcm" -else - case "$1" in - ap966) - cpu="arm_intcm" - variant="unported core module CM966E-S" - ;; - - ap922_config) - cpu="arm_intcm" - variant="unported core module CM922T" - ;; - - integratorcp_config | \ - cp_config) - cpu="arm_intcm" - variant="unspecified core module" - ;; - - cp922_XA10_config) - cpu="arm_intcm" - variant="unported core module CM922T_XA10" - echo -n "#define CONFIG_CM922T_XA10" >> tmp.fil - echo " 1 /* CPU core is ARM922T_XA10 */" >> tmp.fil - ;; - - cp920t_config) - cpu="arm920t" - variant="Core module CM920T" - echo -n "#define CONFIG_CM920T" >> tmp.fil - echo " 1 /* CPU core is ARM920T */" >> tmp.fil - ;; - - cp926ejs_config) - cpu="arm926ejs" - variant="Core module CM926EJ-S" - echo -n "#define CONFIG_CM926EJ_S" >> tmp.fil - echo " 1 /* CPU core is ARM926EJ-S */ " >> tmp.fil - ;; - - - cp946es_config) - cpu="arm946es" - variant="Core module CM946E-S" - echo -n "#define CONFIG_CM946E_S" >> tmp.fil - echo " 1 /* CPU core is ARM946E-S */ " >> tmp.fil - ;; - - cp1136_config) - cpu="arm1136" - variant="Core module CM1136EJF-S" - echo -n "#define CONFIG_CM1136EJF_S" >> tmp.fil - echo " 1 /* CPU core is ARM1136JF-S */ " >> tmp.fil - ;; - - *) - echo "$0:: Unknown core module" - variant="unknown core module" - cpu="arm_intcm" - ;; - - esac - -fi - -if [ "$cpu" = "arm_intcm" ] -then - echo "/* Core module undefined/not ported */" >> tmp.fil - echo "#define CONFIG_ARM_INTCM 1" >> tmp.fil - echo -n "#undef CONFIG_CM_MULTIPLE_SSRAM" >> tmp.fil - echo -n " /* CM may not have " >> tmp.fil - echo "multiple SSRAM mapping */" >> tmp.fil - echo -n "#undef CONFIG_CM_SPD_DETECT " >> tmp.fil - echo -n " /* CM may not support SPD " >> tmp.fil - echo "query */" >> tmp.fil - echo -n "#undef CONFIG_CM_REMAP " >> tmp.fil - echo -n " /* CM may not support " >> tmp.fil - echo "remapping */" >> tmp.fil - echo -n "#undef CONFIG_CM_INIT " >> tmp.fil - echo -n " /* CM may not have " >> tmp.fil - echo "initialization reg */" >> tmp.fil - echo -n "#undef CONFIG_CM_TCRAM " >> tmp.fil - echo " /* CM may not have TCRAM */" >> tmp.fil -fi - -mkdir -p ${obj}include -mkdir -p ${obj}board/armltd/integratorcp -mv tmp.fil ${obj}include/config.h -# --------------------------------------------------------- -# Ensure correct core object loaded first in U-Boot image -# --------------------------------------------------------- -sed -r 's/CPU_FILE/cpu/'$cpu'/start.o/; s/#.*//' ${src}board/armltd/integratorcp/u-boot.lds.template > ${obj}board/armltd/integratorcp/u-boot.lds -# --------------------------------------------------------- -# Complete the configuration -# --------------------------------------------------------- -$MKCONFIG -a integratorcp arm $cpu integratorcp armltd; -echo "Variant:: $variant with core $cpu" - diff --git a/board/armltd/integratorcp/u-boot.lds.template b/board/armltd/integratorcp/u-boot.lds.template deleted file mode 100644 index 0ec8087..0000000 --- a/board/armltd/integratorcp/u-boot.lds.template +++ /dev/null @@ -1,53 +0,0 @@ -/* - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, gj@denx.de - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -# Template used during configuration to emsure the core module processor code, -# from CPU_FILE, is placed at the start of the image */ - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - . = 0x00000000; - . = ALIGN(4); - .text : - { - CPU_FILE (.text) - *(.text) - } - .rodata : { *(.rodata) } - . = ALIGN(4); - .data : { *(.data) } - . = ALIGN(4); - .got : { *(.got) } - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - . = ALIGN(4); - __bss_start = .; - .bss : { *(.bss) } - _end = .; -}
participants (1)
-
Jean-Christophe PLAGNIOL-VILLARD