Signed-off-by: Dirk Eibach eibach@gdsys.de --- MAINTAINERS | 1 + MAKEALL | 1 + Makefile | 3 + board/gdsys/gdppc440etx/Makefile | 51 ++++ board/gdsys/gdppc440etx/config.mk | 44 +++ board/gdsys/gdppc440etx/gdppc440etx.c | 494 +++++++++++++++++++++++++++++++++ board/gdsys/gdppc440etx/init.S | 112 ++++++++ board/gdsys/gdppc440etx/u-boot.lds | 144 ++++++++++ common/Makefile | 2 +- include/configs/gdppc440etx.h | 194 +++++++++++++ 10 files changed, 1045 insertions(+), 1 deletions(-) create mode 100644 board/gdsys/gdppc440etx/Makefile create mode 100644 board/gdsys/gdppc440etx/config.mk create mode 100644 board/gdsys/gdppc440etx/gdppc440etx.c create mode 100644 board/gdsys/gdppc440etx/init.S create mode 100644 board/gdsys/gdppc440etx/u-boot.lds create mode 100644 include/configs/gdppc440etx.h

diff --git a/MAINTAINERS b/MAINTAINERS index 127604b..64c1424 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -133,6 +133,7 @@ Jon Diekema jon.diekema@smiths-aerospace.com Dirk Eibach eibach@gdsys.de

neo PPC405EP + gdppc440etx PPC440EP/GR

Dave Ellis DGE@sixnetio.com

diff --git a/MAKEALL b/MAKEALL index dbed268..3789bb9 100755 --- a/MAKEALL +++ b/MAKEALL @@ -188,6 +188,7 @@ LIST_4xx=" \ EXBITGEN \ fx12mm \ G2000 \ + gdppc440etx \ glacier \ haleakala \ haleakala_nand \ diff --git a/Makefile b/Makefile index fd521b6..1f7372c 100644 --- a/Makefile +++ b/Makefile @@ -1314,6 +1314,9 @@ fx12mm_config: unconfig G2000_config: unconfig @$(MKCONFIG) $(@:_config=) ppc ppc4xx g2000

+gdppc440etx_config: unconfig + @$(MKCONFIG) $(@:_config=) ppc ppc4xx gdppc440etx gdsys + hcu4_config: unconfig @mkdir -p $(obj)board/netstal/common @$(MKCONFIG) $(@:_config=) ppc ppc4xx hcu4 netstal diff --git a/board/gdsys/gdppc440etx/Makefile b/board/gdsys/gdppc440etx/Makefile new file mode 100644 index 0000000..b93f2c3 --- /dev/null +++ b/board/gdsys/gdppc440etx/Makefile @@ -0,0 +1,51 @@ +# +# (C) Copyright 2002-2006 +# 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 + +COBJS = $(BOARD).o +SOBJS = init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/gdsys/gdppc440etx/config.mk b/board/gdsys/gdppc440etx/config.mk new file mode 100644 index 0000000..df5466e --- /dev/null +++ b/board/gdsys/gdppc440etx/config.mk @@ -0,0 +1,44 @@ +# +# (C) Copyright 2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# esd ADCIOP boards +# + +#TEXT_BASE = 0x00001000 + +ifeq ($(ramsym),1) +TEXT_BASE = 0xFBD00000 +else +TEXT_BASE = 0xFFF80000 +endif + +PLATFORM_CPPFLAGS += -DCONFIG_440=1 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifeq ($(dbcr),1) +PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000 +endif diff --git a/board/gdsys/gdppc440etx/gdppc440etx.c b/board/gdsys/gdppc440etx/gdppc440etx.c new file mode 100644 index 0000000..8903b61 --- /dev/null +++ b/board/gdsys/gdppc440etx/gdppc440etx.c @@ -0,0 +1,494 @@ +/* + * (C) Copyright 2008 + * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.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 <common.h> +#include <ppc4xx.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <spd_sdram.h> +#include <libfdt.h> +#include <fdt_support.h> + +DECLARE_GLOBAL_DATA_PTR; + +extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +int board_early_init_f(void) +{ + register uint reg; + + /*-------------------------------------------------------------------- + * Setup the external bus controller/chip selects + *-------------------------------------------------------------------*/ + mtdcr(ebccfga, xbcfg); + reg = mfdcr(ebccfgd); + mtdcr(ebccfgd, reg | 0x04000000); /* Set ATC */ + + /*-------------------------------------------------------------------- + * Setup the GPIO pins + *-------------------------------------------------------------------*/ + /*CPLD cs */ + /*setup Address lines for flash size 64Meg. */ + out32(GPIO0_OSRL, in32(GPIO0_OSRL) | 0x50010000); + out32(GPIO0_TSRL, in32(GPIO0_TSRL) | 0x50010000); + out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) | 0x50000000); + + /*setup emac */ + out32(GPIO0_TCR, in32(GPIO0_TCR) | 0xC080); + out32(GPIO0_TSRL, in32(GPIO0_TSRL) | 0x40); + out32(GPIO0_ISR1L, in32(GPIO0_ISR1L) | 0x55); + out32(GPIO0_OSRH, in32(GPIO0_OSRH) | 0x50004000); + out32(GPIO0_ISR1H, in32(GPIO0_ISR1H) | 0x00440000); + + /*UART1 */ + out32(GPIO1_TCR, in32(GPIO1_TCR) | 0x02000000); + out32(GPIO1_OSRL, in32(GPIO1_OSRL) | 0x00080000); + out32(GPIO1_ISR2L, in32(GPIO1_ISR2L) | 0x00010000); + + /* external interrupts IRQ0...3 */ + out32(GPIO1_TCR, in32(GPIO1_TCR) & ~0x00f00000); + out32(GPIO1_TSRL, in32(GPIO1_TSRL) & ~0x0000ff00); + out32(GPIO1_ISR1L, in32(GPIO1_ISR1L) | 0x00005500); + + /*-------------------------------------------------------------------- + * Setup the interrupt controller polarities, triggers, etc. + *-------------------------------------------------------------------*/ + mtdcr(uic0sr, 0xffffffff); /* clear all */ + mtdcr(uic0er, 0x00000000); /* disable all */ + mtdcr(uic0cr, 0x00000009); /* ATI & UIC1 crit are critical */ + mtdcr(uic0pr, 0xfffffe13); /* per ref-board manual */ + mtdcr(uic0tr, 0x01c00008); /* per ref-board manual */ + mtdcr(uic0vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic0sr, 0xffffffff); /* clear all */ + + mtdcr(uic1sr, 0xffffffff); /* clear all */ + mtdcr(uic1er, 0x00000000); /* disable all */ + mtdcr(uic1cr, 0x00000000); /* all non-critical */ + mtdcr(uic1pr, 0xffffe0ff); /* per ref-board manual */ + mtdcr(uic1tr, 0x00ffc000); /* per ref-board manual */ + mtdcr(uic1vr, 0x00000001); /* int31 highest, base=0x000 */ + mtdcr(uic1sr, 0xffffffff); /* clear all */ + + /*-------------------------------------------------------------------- + * Setup other serial configuration + *-------------------------------------------------------------------*/ + mfsdr(sdr_pci0, reg); + mtsdr(sdr_pci0, 0x80000000 | reg); /* PCI arbiter enabled */ + mtsdr(sdr_pfc0, 0x00003e00); /* Pin function */ + mtsdr(sdr_pfc1, 0x00048000); /* Pin function: UART0 has 4 pins */ + + /*clear tmrclk divisor */ + *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x04) = 0x00; + + /*enable ethernet */ + *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x08) = 0xf0; + + /*get rid of flash write protect */ + *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x07) = 0x00; + + return 0; +} + +int misc_init_r (void) +{ + uint pbcr; + int size_val = 0; + + /* Re-do sizing to get full correct info */ + mtdcr(ebccfga, pb0cr); + pbcr = mfdcr(ebccfgd); + switch (gd->bd->bi_flashsize) { + case 1 << 20: + size_val = 0; + break; + case 2 << 20: + size_val = 1; + break; + case 4 << 20: + size_val = 2; + break; + case 8 << 20: + size_val = 3; + break; + case 16 << 20: + size_val = 4; + break; + case 32 << 20: + size_val = 5; + break; + case 64 << 20: + size_val = 6; + break; + case 128 << 20: + size_val = 7; + break; + } + pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); + mtdcr(ebccfga, pb0cr); + mtdcr(ebccfgd, pbcr); + + /* adjust flash start and offset */ + gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; + gd->bd->bi_flashoffset = 0; + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CONFIG_SYS_MONITOR_LEN, + 0xffffffff, + &flash_info[0]); + + return 0; +} + +int checkboard(void) +{ + char *s = getenv("serial#"); + u8 rev; + u8 val; + + printf("Board: GDPPC440ETX - Guntermann & Drunck PPC440EP/GR ETX-module"); + + rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0)); + val = in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) & CONFIG_SYS_BCSR5_PCI66EN; + printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return (0); +} + +/************************************************************************* + * initdram -- doesn't use serial presence detect. + * + * Assumes: 256 MB, ECC, non-registered + * PLB @ 133 MHz + * + ************************************************************************/ +#define NUM_TRIES 64 +#define NUM_READS 10 + +void sdram_tr1_set(int ram_address, int* tr1_value) +{ + int i; + int j, k; + volatile unsigned int* ram_pointer = (unsigned int*)ram_address; + int first_good = -1, last_bad = 0x1ff; + + unsigned long test[NUM_TRIES] = { + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0xFFFFFFFF, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555, + 0xAAAAAAAA, 0xAAAAAAAA, 0x55555555, 0x55555555, + 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA, + 0x55555555, 0x55555555, 0xAAAAAAAA, 0xAAAAAAAA, + 0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A, + 0xA5A5A5A5, 0xA5A5A5A5, 0x5A5A5A5A, 0x5A5A5A5A, + 0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5, + 0x5A5A5A5A, 0x5A5A5A5A, 0xA5A5A5A5, 0xA5A5A5A5, + 0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA, + 0xAA55AA55, 0xAA55AA55, 0x55AA55AA, 0x55AA55AA, + 0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55, + 0x55AA55AA, 0x55AA55AA, 0xAA55AA55, 0xAA55AA55 }; + + /* go through all possible SDRAM0_TR1[RDCT] values */ + for (i=0; i<=0x1ff; i++) { + /* set the current value for TR1 */ + mtsdram(mem_tr1, (0x80800800 | i)); + + /* write values */ + for (j=0; j<NUM_TRIES; j++) { + ram_pointer[j] = test[j]; + + /* clear any cache at ram location */ + __asm__("dcbf 0,%0": :"r" (&ram_pointer[j])); + } + + /* read values back */ + for (j=0; j<NUM_TRIES; j++) { + for (k=0; k<NUM_READS; k++) { + /* clear any cache at ram location */ + __asm__("dcbf 0,%0": :"r" (&ram_pointer[j])); + + if (ram_pointer[j] != test[j]) + break; + } + + /* read error */ + if (k != NUM_READS) { + break; + } + } + + /* we have a SDRAM0_TR1[RDCT] that is part of the window */ + if (j == NUM_TRIES) { + if (first_good == -1) + first_good = i; /* found beginning of window */ + } else { /* bad read */ + /* if we have not had a good read then don't care */ + if(first_good != -1) { + /* first failure after a good read */ + last_bad = i-1; + break; + } + } + } + + /* return the current value for TR1 */ + *tr1_value = (first_good + last_bad) / 2; +} + +phys_size_t initdram(int board) +{ + register uint reg; + int tr1_bank1, tr1_bank2; + + /*-------------------------------------------------------------------- + * Setup some default + *------------------------------------------------------------------*/ + mtsdram(mem_uabba, 0x00000000); /* ubba=0 (default) */ + mtsdram(mem_slio, 0x00000000); /* rdre=0 wrre=0 rarw=0 */ + mtsdram(mem_devopt, 0x00000000); /* dll=0 ds=0 (normal) */ + mtsdram(mem_clktr, 0x40000000); /* ?? */ + mtsdram(mem_wddctr, 0x40000000); /* ?? */ + + /*clear this first, if the DDR is enabled by a debugger + then you can not make changes. */ + mtsdram(mem_cfg0, 0x00000000); /* Disable EEC */ + + /*-------------------------------------------------------------------- + * Setup for board-specific specific mem + *------------------------------------------------------------------*/ + /* + * Following for CAS Latency = 2.5 @ 133 MHz PLB + */ + mtsdram(mem_b0cr, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */ + mtsdram(mem_b1cr, 0x080a4001); /* SDBA=0x080 128MB, Mode 3, enabled */ + + mtsdram(mem_tr0, 0x410a4012); /* ?? */ + mtsdram(mem_rtr, 0x04080000); /* ?? */ + mtsdram(mem_cfg1, 0x00000000); /* Self-refresh exit, disable PM */ + mtsdram(mem_cfg0, 0x30000000); /* Disable EEC */ + udelay(400); /* Delay 200 usecs (min) */ + + /*-------------------------------------------------------------------- + * Enable the controller, then wait for DCEN to complete + *------------------------------------------------------------------*/ + mtsdram(mem_cfg0, 0x80000000); /* Enable */ + + for (;;) { + mfsdram(mem_mcsts, reg); + if (reg & 0x80000000) + break; + } + + sdram_tr1_set(0x00000000, &tr1_bank1); + sdram_tr1_set(0x08000000, &tr1_bank2); + mtsdram(mem_tr1, (((tr1_bank1+tr1_bank2)/2) | 0x80800800)); + + return CONFIG_SYS_SDRAM_BANKS * (CONFIG_SYS_KBYTES_SDRAM * 1024); /* return bytes */ +} + +/************************************************************************* + * pci_pre_init + * + * This routine is called just prior to registering the hose and gives + * the board the opportunity to check things. Returning a value of zero + * indicates that things are bad & PCI initialization should be aborted. + * + * Different boards may wish to customize the pci controller structure + * (add regions, override default access routines, etc) or perform + * certain pre-initialization actions. + * + ************************************************************************/ +#if defined(CONFIG_PCI) +int pci_pre_init(struct pci_controller *hose) +{ + unsigned long addr; + + /*-------------------------------------------------------------------------+ + | Set priority for all PLB3 devices to 0. + | Set PLB3 arbiter to fair mode. + +-------------------------------------------------------------------------*/ + mfsdr(sdr_amp1, addr); + mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00); + addr = mfdcr(plb3_acr); + mtdcr(plb3_acr, addr | 0x80000000); + + /*-------------------------------------------------------------------------+ + | Set priority for all PLB4 devices to 0. + +-------------------------------------------------------------------------*/ + mfsdr(sdr_amp0, addr); + mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00); + addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */ + mtdcr(plb4_acr, addr); + + /*-------------------------------------------------------------------------+ + | Set Nebula PLB4 arbiter to fair mode. + +-------------------------------------------------------------------------*/ + /* Segment0 */ + addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair; + addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled; + addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep; + addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep; + mtdcr(plb0_acr, addr); + + /* Segment1 */ + addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair; + addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled; + addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep; + addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep; + mtdcr(plb1_acr, addr); + + return 1; +} +#endif /* defined(CONFIG_PCI) */ + +/************************************************************************* + * pci_target_init + * + * The bootstrap configuration provides default settings for the pci + * inbound map (PIM). But the bootstrap config choices are limited and + * may not be sufficient for a given board. + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) +void pci_target_init(struct pci_controller *hose) +{ + /*--------------------------------------------------------------------------+ + * Set up Direct MMIO registers + *--------------------------------------------------------------------------*/ + /*--------------------------------------------------------------------------+ + | PowerPC440 EP PCI Master configuration. + | Map one 1Gig range of PLB/processor addresses to PCI memory space. + | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF + | Use byte reversed out routines to handle endianess. + | Make this region non-prefetchable. + +--------------------------------------------------------------------------*/ + out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */ + out32r(PCIX0_PMM0LA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 Local Address */ + out32r(PCIX0_PMM0PCILA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 PCI Low Address */ + out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */ + out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */ + + out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */ + out32r(PCIX0_PMM1LA, CONFIG_SYS_PCI_MEMBASE2); /* PMM0 Local Address */ + out32r(PCIX0_PMM1PCILA, CONFIG_SYS_PCI_MEMBASE2); /* PMM0 PCI Low Address */ + out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */ + out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */ + + out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */ + out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */ + out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */ + out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */ + + /*--------------------------------------------------------------------------+ + * Set up Configuration registers + *--------------------------------------------------------------------------*/ + + /* Program the board's subsystem id/vendor id */ + pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID, + CONFIG_SYS_PCI_SUBSYS_VENDORID); + pci_write_config_word(0, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_ID); + + /* Configure command register as bus master */ + pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER); + + /* 240nS PCI clock */ + pci_write_config_word(0, PCI_LATENCY_TIMER, 1); + + /* No error reporting */ + pci_write_config_word(0, PCI_ERREN, 0); + + pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101); + +} +#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */ + +/************************************************************************* + * pci_master_init + * + ************************************************************************/ +#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT) +void pci_master_init(struct pci_controller *hose) +{ + unsigned short temp_short; + + /*--------------------------------------------------------------------------+ + | Write the PowerPC440 EP PCI Configuration regs. + | Enable PowerPC440 EP to be a master on the PCI bus (PMM). + | Enable PowerPC440 EP to act as a PCI memory target (PTM). + +--------------------------------------------------------------------------*/ + pci_read_config_word(0, PCI_COMMAND, &temp_short); + pci_write_config_word(0, PCI_COMMAND, + temp_short | PCI_COMMAND_MASTER | + PCI_COMMAND_MEMORY); +} +#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT) */ + +/************************************************************************* + * is_pci_host + * + * This routine is called to determine if a pci scan should be + * performed. With various hardware environments (especially cPCI and + * PPMC) it's insufficient to depend on the state of the arbiter enable + * bit in the strap register, or generic host/adapter assumptions. + * + * Rather than hard-code a bad assumption in the general 440 code, the + * 440 pci code requires the board to decide at runtime. + * + * Return 0 for adapter mode, non-zero for host (monarch) mode. + * + * + ************************************************************************/ +#if defined(CONFIG_PCI) +int is_pci_host(struct pci_controller *hose) +{ + /* Bamboo is always configured as host. */ + return (1); +} +#endif /* defined(CONFIG_PCI) */ + +/************************************************************************* + * hw_watchdog_reset + * + * This routine is called to reset (keep alive) the watchdog timer + * + ************************************************************************/ +#if defined(CONFIG_HW_WATCHDOG) +void hw_watchdog_reset(void) +{ + +} +#endif + +void board_reset(void) +{ + /* give reset to BCSR */ + *(unsigned char *)(CONFIG_SYS_BCSR_BASE | 0x06) = 0x09; +} diff --git a/board/gdsys/gdppc440etx/init.S b/board/gdsys/gdppc440etx/init.S new file mode 100644 index 0000000..f938236 --- /dev/null +++ b/board/gdsys/gdppc440etx/init.S @@ -0,0 +1,112 @@ +/* +* +* 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 <ppc_asm.tmpl> +#include <config.h> + +/* General */ +#define TLB_VALID 0x00000200 + +/* Supported page sizes */ + +#define SZ_1K 0x00000000 +#define SZ_4K 0x00000010 +#define SZ_16K 0x00000020 +#define SZ_64K 0x00000030 +#define SZ_256K 0x00000040 +#define SZ_1M 0x00000050 +#define SZ_8M 0x00000060 +#define SZ_16M 0x00000070 +#define SZ_256M 0x00000090 + +/* Storage attributes */ +#define SA_W 0x00000800 /* Write-through */ +#define SA_I 0x00000400 /* Caching inhibited */ +#define SA_M 0x00000200 /* Memory coherence */ +#define SA_G 0x00000100 /* Guarded */ +#define SA_E 0x00000080 /* Endian */ + +/* Access control */ +#define AC_X 0x00000024 /* Execute */ +#define AC_W 0x00000012 /* Write */ +#define AC_R 0x00000009 /* Read */ + +/* Some handy macros */ + +#define EPN(e) ((e) & 0xfffffc00) +#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) ) +#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) ) +#define TLB2(a) ( (a)&0x00000fbf ) + +#define tlbtab_start\ + mflr r1 ;\ + bl 0f ; + +#define tlbtab_end\ + .long 0, 0, 0 ; \ +0: mflr r0 ; \ + mtlr r1 ; \ + blr ; + +#define tlbentry(epn,sz,rpn,erpn,attr)\ + .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr) + + +/************************************************************************** + * TLB TABLE + * + * This table is used by the cpu boot code to setup the initial tlb + * entries. Rather than make broad assumptions in the cpu source tree, + * this table lets each board set things up however they like. + * + * Pointer to the table is returned in r1 + * + *************************************************************************/ + + .section .bootpg,"ax" + .globl tlbtab + +tlbtab: + tlbtab_start + + /* + * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the + * speed up boot process. It is patched after relocation to enable SA_I + */ + tlbentry( CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M, CONFIG_SYS_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/) + + /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ + tlbentry( CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G ) + + tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, CONFIG_SYS_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, CONFIG_SYS_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CONFIG_SYS_NVRAM_BASE_ADDR, SZ_256M, CONFIG_SYS_NVRAM_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I ) + + /* PCI */ + tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I ) + + /* USB 2.0 Device */ + tlbentry( CONFIG_SYS_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_R|AC_W|SA_G|SA_I ) + + tlbtab_end diff --git a/board/gdsys/gdppc440etx/u-boot.lds b/board/gdsys/gdppc440etx/u-boot.lds new file mode 100644 index 0000000..1df817b --- /dev/null +++ b/board/gdsys/gdppc440etx/u-boot.lds @@ -0,0 +1,144 @@ +/* + * (C) Copyright 2002 + * 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 + */ + +OUTPUT_ARCH(powerpc) +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + .bootpg 0xFFFFF000 : + { + cpu/ppc4xx/start.o (.bootpg) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/ppc4xx/start.o (.text) + board/gdsys/gdppc440etx/init.o (.text) + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss (NOLOAD) : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + } + _end = . ; + PROVIDE (end = .); +} diff --git a/common/Makefile b/common/Makefile index 6484b23..a04c3d9 100644 --- a/common/Makefile +++ b/common/Makefile @@ -70,7 +70,7 @@ COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o COBJS-$(CONFIG_CMD_CONSOLE) += cmd_console.o COBJS-$(CONFIG_CMD_CPLBINFO) += cmd_cplbinfo.o -COBJS-$(CONFIG_CMD_DATE) += cmd_date.o +#COBJS-$(CONFIG_CMD_DATE) += cmd_date.o ifdef CONFIG_4xx COBJS-$(CONFIG_CMD_SETGETDCR) += cmd_dcr.o endif diff --git a/include/configs/gdppc440etx.h b/include/configs/gdppc440etx.h new file mode 100644 index 0000000..d41a98a --- /dev/null +++ b/include/configs/gdppc440etx.h @@ -0,0 +1,194 @@ +/* + * (C) Copyright 2008 + * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.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 + */ + +/************************************************************************ + * gdppc440etx.h - configuration for G&D 440EP/GR ETX-Module + ***********************************************************************/ +#ifndef __CONFIG_H +#define __CONFIG_H + +/*----------------------------------------------------------------------- + * High Level Configuration Options + *----------------------------------------------------------------------*/ +#define CONFIG_440GR 1 /* Specific PPC440GR support */ +#define CONFIG_HOSTNAME gdppc440etx +#define CONFIG_440 1 /* ... PPC440 family */ +#define CONFIG_4xx 1 /* ... PPC4xx family */ +#define CONFIG_SYS_CLK_FREQ 66666666 /* external freq to pll */ + +/* + * Include common defines/options for all AMCC eval boards + */ +#include "amcc-common.h" + +#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ +#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */ +#if 0 +#define CONFIG_BOARD_RESET 1 /* call board_reset() */ +#endif + +/*----------------------------------------------------------------------- + * Base addresses -- Note these are effective addresses where the + * actual resources get mapped (not physical addresses) + *----------------------------------------------------------------------*/ +#define CONFIG_SYS_FLASH_BASE 0xfc000000 /* start of FLASH */ +#define CONFIG_SYS_PCI_MEMBASE 0xa0000000 /* mapped pci memory*/ +#define CONFIG_SYS_PCI_MEMBASE1 CONFIG_SYS_PCI_MEMBASE + 0x10000000 +#define CONFIG_SYS_PCI_MEMBASE2 CONFIG_SYS_PCI_MEMBASE1 + 0x10000000 +#define CONFIG_SYS_PCI_MEMBASE3 CONFIG_SYS_PCI_MEMBASE2 + 0x10000000 + +/*Don't change either of these*/ +#define CONFIG_SYS_PERIPHERAL_BASE 0xef600000 /* internal peripherals*/ +#define CONFIG_SYS_PCI_BASE 0xe0000000 /* internal PCI regs*/ +/*Don't change either of these*/ + +#define CONFIG_SYS_USB_DEVICE 0x50000000 +#define CONFIG_SYS_NVRAM_BASE_ADDR 0x80000000 +#define CONFIG_SYS_BCSR_BASE (CONFIG_SYS_NVRAM_BASE_ADDR | 0x2000) +#define CONFIG_SYS_BOOT_BASE_ADDR 0xf0000000 + +/*----------------------------------------------------------------------- + * Initial RAM & stack pointer (placed in SDRAM) + *----------------------------------------------------------------------*/ +#define CONFIG_SYS_INIT_RAM_DCACHE 1 /* d-cache as init ram */ +#define CONFIG_SYS_INIT_RAM_ADDR 0x70000000 /* DCache */ +#define CONFIG_SYS_INIT_RAM_END (4 << 10) +#define CONFIG_SYS_GBL_DATA_SIZE 256 /* num bytes initial data*/ +#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET + +/*----------------------------------------------------------------------- + * Serial Port + *----------------------------------------------------------------------*/ +#define CONFIG_SYS_EXT_SERIAL_CLOCK 11059200 /* use external 11.059MHz clk */ +#define CONFIG_UART1_CONSOLE + +/*----------------------------------------------------------------------- + * Environment + *----------------------------------------------------------------------*/ +/* + * Define here the location of the environment variables (FLASH or EEPROM). + * Note: DENX encourages to use redundant environment in FLASH. + */ +#define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ + +/*----------------------------------------------------------------------- + * FLASH related + *----------------------------------------------------------------------*/ +#define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */ +#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */ +#define CONFIG_SYS_FLASH_CFI_AMD_RESET 1 /* AMD RESET for STM 29W320DB! */ + +#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CONFIG_SYS_MAX_FLASH_SECT 512 /* max number of sectors on one chip */ + +#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ + +#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ + +#ifdef CONFIG_ENV_IS_IN_FLASH +#define CONFIG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */ +#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE) +#define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ + +/* Address and size of Redundant Environment Sector */ +#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE) +#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE) +#endif /* CONFIG_ENV_IS_IN_FLASH */ + +/*----------------------------------------------------------------------- + * DDR SDRAM + *----------------------------------------------------------------------*/ +#undef CONFIG_SPD_EEPROM /* Don't use SPD EEPROM for setup */ +#define CONFIG_SYS_KBYTES_SDRAM (128 * 1024) /* 128MB */ +#define CONFIG_SYS_SDRAM_BANKS (2) + +/*----------------------------------------------------------------------- + * I2C + *----------------------------------------------------------------------*/ +#define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */ + +/* + * Default environment variables + */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + CONFIG_AMCC_DEF_ENV \ + CONFIG_AMCC_DEF_ENV_POWERPC \ + CONFIG_AMCC_DEF_ENV_NOR_UPD \ + "kernel_addr=fc000000\0" \ + "ramdisk_addr=fc180000\0" \ + "" + +#define CONFIG_HAS_ETH1 1 /* add support for "eth1addr" */ +#define CONFIG_PHY_ADDR 1 +#define CONFIG_PHY1_ADDR 3 + +#ifdef DEBUG +#define CONFIG_PANIC_HANG +#else +#define CONFIG_HW_WATCHDOG /* watchdog */ +#endif + +/* + * Commands additional to the ones defined in amcc-common.h + */ +#define CONFIG_CMD_PCI +#undef CONFIG_CMD_EEPROM + +/*----------------------------------------------------------------------- + * PCI stuff + *----------------------------------------------------------------------- + */ +/* General PCI */ +#define CONFIG_PCI /* include pci support */ +#undef CONFIG_PCI_PNP /* do (not) pci plug-and-play */ +#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ +#define CONFIG_SYS_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CONFIG_SYS_PCI_MEMBASE*/ + +/* Board-specific PCI */ +#define CONFIG_SYS_PCI_TARGET_INIT +#define CONFIG_SYS_PCI_MASTER_INIT + +#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */ +#define CONFIG_SYS_PCI_SUBSYS_ID 0xcafe /* Whatever */ + +/*----------------------------------------------------------------------- + * External Bus Controller (EBC) Setup + *----------------------------------------------------------------------*/ +#define CONFIG_SYS_FLASH CONFIG_SYS_FLASH_BASE +#define CONFIG_SYS_CPLD 0x80000000 + +/* Memory Bank 0 (NOR-FLASH) initialization */ +#define CONFIG_SYS_EBC_PB0AP 0x03017300 +#define CONFIG_SYS_EBC_PB0CR (CONFIG_SYS_FLASH | 0xda000) + +/* Memory Bank 2 (CPLD) initialization */ +#define CONFIG_SYS_EBC_PB2AP 0x04814500 +#define CONFIG_SYS_EBC_PB2CR (CONFIG_SYS_CPLD | 0x18000) + +#define CONFIG_SYS_BCSR5_PCI66EN 0x80 + +#endif /* __CONFIG_H */