[U-Boot-Users] [PATCH 2/2] mpc85xx: Add support for ATUM8548 (updated)
Add support for Instituto Atlantico's ATUM8548 board
Signed-off-by: robert lazarski robertlazarski@gmail.com
diff --git a/board/atum8548/Makefile b/board/atum8548/Makefile new file mode 100644 index 0000000..e198062 --- /dev/null +++ b/board/atum8548/Makefile @@ -0,0 +1,56 @@ +# +# Copyright 2004 Freescale Semiconductor. +# (C) Copyright 2001-2006 +# 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 $(TOPDIR)/config.mk +ifneq ($(OBJTREE),$(SRCTREE)) +$(shell mkdir -p $(obj)../common) +endif + +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): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(OBJS) $(SOBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/atum8548/atum8548.c b/board/atum8548/atum8548.c new file mode 100644 index 0000000..4d7dc77 --- /dev/null +++ b/board/atum8548/atum8548.c @@ -0,0 +1,420 @@ +/* + * Copyright 2007 + * Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com + * + * Copyright 2007 Freescale Semiconductor, Inc. + * + * 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 <command.h> +#include <pci.h> +#include <asm/processor.h> +#include <asm/immap_85xx.h> +#include <asm/immap_fsl_pci.h> +#include <asm/io.h> +#include <spd.h> +#include <miiphy.h> +#include <libfdt.h> +#include <fdt_support.h> + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) +extern void ddr_enable_ecc(unsigned int dram_size); +#endif + +extern long int spd_sdram(void); +long int fixed_sdram(void); + +int board_early_init_f (void) +{ + return 0; +} + +int checkboard (void) +{ + volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); + volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR); + volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR); + + if ((uint)&gur->porpllsr != 0xe00e0000) { + printf("immap size error %x\n",&gur->porpllsr); + } + printf ("Board: ATUM8548\n"); + + lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */ + lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */ + ecm->eedr = 0xffffffff; /* Clear ecm errors */ + ecm->eeer = 0xffffffff; /* Enable ecm errors */ + + return 0; +} + +#if !defined(CONFIG_SPD_EEPROM) +/************************************************************************* + * fixed sdram init -- doesn't use serial presence detect. + ************************************************************************/ +long int fixed_sdram (void) +{ + volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR); + + ddr->cs0_bnds = CFG_DDR_CS0_BNDS; + ddr->cs0_config = CFG_DDR_CS0_CONFIG; + ddr->timing_cfg_0 = CFG_DDR_TIMING_0; + ddr->timing_cfg_1 = CFG_DDR_TIMING_1; + ddr->timing_cfg_2 = CFG_DDR_TIMING_2; + ddr->sdram_mode = CFG_DDR_MODE; + ddr->sdram_interval = CFG_DDR_INTERVAL; + #if defined (CONFIG_DDR_ECC) + ddr->err_disable = 0x0000000D; + ddr->err_sbe = 0x00ff0000; + #endif + asm("sync;isync;msync"); + udelay(500); + #if defined (CONFIG_DDR_ECC) + /* Enable ECC checking */ + ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000); + #else + ddr->sdram_cfg = CFG_DDR_CONTROL; + #endif + asm("sync; isync; msync"); + udelay(500); + return CFG_SDRAM_SIZE * 1024 * 1024; +} +#endif /* !defined(CONFIG_SPD_EEPROM) */ + +long int +initdram(int board_type) +{ + long dram_size = 0; + + puts("Initializing\n"); + +#if defined(CONFIG_SPD_EEPROM) + puts("spd_sdram\n"); + dram_size = spd_sdram (); +#else + puts("fixed_sdram\n"); + dram_size = fixed_sdram (); +#endif + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* + * Initialize and enable DDR ECC. + */ + ddr_enable_ecc(dram_size); +#endif + puts(" DDR: "); + return dram_size; +} + +#if defined(CFG_DRAM_TEST) +int +testdram(void) +{ + uint *pstart = (uint *) CFG_MEMTEST_START; + uint *pend = (uint *) CFG_MEMTEST_END; + uint *p; + + printf("Testing DRAM from 0x%08x to 0x%08x\n", + CFG_MEMTEST_START, + CFG_MEMTEST_END); + + printf("DRAM test phase 1:\n"); + for (p = pstart; p < pend; p++) { + printf ("DRAM test attempting to write 0xaaaaaaaa at: %08x\n", (uint) p); + *p = 0xaaaaaaaa; + } + + for (p = pstart; p < pend; p++) { + if (*p != 0xaaaaaaaa) { + printf ("DRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("DRAM test phase 2:\n"); + for (p = pstart; p < pend; p++) + *p = 0x55555555; + + for (p = pstart; p < pend; p++) { + if (*p != 0x55555555) { + printf ("DRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("DRAM test passed.\n"); + return 0; +} +#endif + +#ifdef CONFIG_PCI1 +static struct pci_controller pci1_hose; +#endif + +#ifdef CONFIG_PCI2 +static struct pci_controller pci2_hose; +#endif + +#ifdef CONFIG_PCIE1 +static struct pci_controller pcie1_hose; +#endif + +int first_free_busno=0; + +void +pci_init_board(void) +{ + volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR); + + uint devdisr = gur->devdisr; + uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19; + uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16; + + debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n", + devdisr, io_sel, host_agent); + + /* explicitly set 'Clock out select register' to echo SYSCLK input to our CPLD */ + gur->clkocr |= MPC85xx_ATUM_CLKOCR; + + if (io_sel & 1) { + if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS)) + printf (" eTSEC1 is in sgmii mode.\n"); + if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS)) + printf (" eTSEC2 is in sgmii mode.\n"); + if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS)) + printf (" eTSEC3 is in sgmii mode.\n"); + if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS)) + printf (" eTSEC4 is in sgmii mode.\n"); + } + +#ifdef CONFIG_PCIE1 + { + volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR; + extern void fsl_pci_init(struct pci_controller *hose); + struct pci_controller *hose = &pcie1_hose; + int pcie_ep = (host_agent == 5); + int pcie_configured = io_sel & 6; + + if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){ + printf ("\n PCIE1 connected to slot as %s (base address %x)", + pcie_ep ? "End Point" : "Root Complex", + (uint)pci); + if (pci->pme_msg_det) { + pci->pme_msg_det = 0xffffffff; + debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det); + } + printf ("\n"); + + /* inbound */ + pci_set_region(hose->regions + 0, + CFG_PCI_MEMORY_BUS, + CFG_PCI_MEMORY_PHYS, + CFG_PCI_MEMORY_SIZE, + PCI_REGION_MEM | PCI_REGION_MEMORY); + + /* outbound memory */ + pci_set_region(hose->regions + 1, + CFG_PCIE1_MEM_BASE, + CFG_PCIE1_MEM_PHYS, + CFG_PCIE1_MEM_SIZE, + PCI_REGION_MEM); + + /* outbound io */ + pci_set_region(hose->regions + 2, + CFG_PCIE1_IO_BASE, + CFG_PCIE1_IO_PHYS, + CFG_PCIE1_IO_SIZE, + PCI_REGION_IO); + + hose->region_count = 3; +#ifdef CFG_PCIE1_MEM_BASE2 + /* outbound memory */ + pci_set_region(hose->regions + 3, + CFG_PCIE1_MEM_BASE2, + CFG_PCIE1_MEM_PHYS2, + CFG_PCIE1_MEM_SIZE2, + PCI_REGION_MEM); + hose->region_count++; +#endif + hose->first_busno=first_free_busno; + + pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); + + fsl_pci_init(hose); + + first_free_busno=hose->last_busno+1; + printf(" PCIE1 on bus %02x - %02x\n", + hose->first_busno,hose->last_busno); + + } else { + printf (" PCIE1: disabled\n"); + } + + } +#else + gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */ +#endif + +#ifdef CONFIG_PCI1 +{ + volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR; + extern void fsl_pci_init(struct pci_controller *hose); + struct pci_controller *hose = &pci1_hose; + + uint pci_agent = (host_agent == 6); + uint pci_speed = 33333000; /*get_clock_freq (); PCI PSPEED in [4:5] */ + uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */ + uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */ + uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */ + + if (!(devdisr & MPC85xx_DEVDISR_PCI1)) { + printf ("\n PCI1: %d bit, %s MHz, %s, %s, %s (base address %x)\n", + (pci_32) ? 32 : 64, + (pci_speed == 33333000) ? "33" : + (pci_speed == 66666000) ? "66" : "unknown", + pci_clk_sel ? "sync" : "async", + pci_agent ? "agent" : "host", + pci_arb ? "arbiter" : "external-arbiter", + (uint)pci + ); + + /* inbound */ + pci_set_region(hose->regions + 0, + CFG_PCI_MEMORY_BUS, + CFG_PCI_MEMORY_PHYS, + CFG_PCI_MEMORY_SIZE, + PCI_REGION_MEM | PCI_REGION_MEMORY); + + /* outbound memory */ + pci_set_region(hose->regions + 1, + CFG_PCI1_MEM_BASE, + CFG_PCI1_MEM_PHYS, + CFG_PCI1_MEM_SIZE, + PCI_REGION_MEM); + + /* outbound io */ + pci_set_region(hose->regions + 2, + CFG_PCI1_IO_BASE, + CFG_PCI1_IO_PHYS, + CFG_PCI1_IO_SIZE, + PCI_REGION_IO); + hose->region_count = 3; + hose->first_busno=first_free_busno; + pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); + + fsl_pci_init(hose); + first_free_busno=hose->last_busno+1; + printf ("PCI1 on bus %02x - %02x\n", + hose->first_busno,hose->last_busno); + } else { + printf (" PCI1: disabled\n"); + } +} +#else + gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */ +#endif + +#ifdef CONFIG_PCI2 +{ + volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR; + extern void fsl_pci_init(struct pci_controller *hose); + struct pci_controller *hose = &pci2_hose; + + if (!(devdisr & MPC85xx_DEVDISR_PCI2)) { + pci_set_region(hose->regions + 0, + CFG_PCI_MEMORY_BUS, + CFG_PCI_MEMORY_PHYS, + CFG_PCI_MEMORY_SIZE, + PCI_REGION_MEM | PCI_REGION_MEMORY); + + pci_set_region(hose->regions + 1, + CFG_PCI2_MEM_BASE, + CFG_PCI2_MEM_PHYS, + CFG_PCI2_MEM_SIZE, + PCI_REGION_MEM); + + pci_set_region(hose->regions + 2, + CFG_PCI2_IO_BASE, + CFG_PCI2_IO_PHYS, + CFG_PCI2_IO_SIZE, + PCI_REGION_IO); + hose->region_count = 3; + hose->first_busno=first_free_busno; + pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data); + + fsl_pci_init(hose); + first_free_busno=hose->last_busno+1; + printf ("PCI2 on bus %02x - %02x\n", + hose->first_busno,hose->last_busno); + } else { + printf (" PCI2: disabled\n"); + } +} +#else + gur->devdisr |= MPC85xx_DEVDISR_PCI2; +#endif +} + + +int last_stage_init(void) +{ + int ic = icache_status (); + printf ("icache_status: %d\n", ic); + return 0; +} + +#if defined(CONFIG_OF_BOARD_SETUP) + +void +ft_board_setup(void *blob, bd_t *bd) +{ + int node, tmp[2]; + const char *path; + + ft_cpu_setup(blob, bd); + + node = fdt_path_offset(blob, "/aliases"); + tmp[0] = 0; + if (node >= 0) { +#ifdef CONFIG_PCI1 + path = fdt_getprop(blob, node, "pci0", NULL); + if (path) { + tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno; + do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); + } +#endif +#ifdef CONFIG_PCI2 + path = fdt_getprop(blob, node, "pci1", NULL); + if (path) { + tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno; + do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); + } +#endif +#ifdef CONFIG_PCIE1 + path = fdt_getprop(blob, node, "pci2", NULL); + if (path) { + tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno; + do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1); + } +#endif + } +} +#endif diff --git a/board/atum8548/config.mk b/board/atum8548/config.mk new file mode 100644 index 0000000..9065817 --- /dev/null +++ b/board/atum8548/config.mk @@ -0,0 +1,33 @@ +# +# Copyright 2004, 2007 Freescale Semiconductor. +# +# 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 +# + +# +# atum8548 board +# TEXT_BASE = 0xfff80000 +# TEXT_BASE = 0xfffff000 +ifndef TEXT_BASE +TEXT_BASE = 0xfff80000 +endif + +PLATFORM_CPPFLAGS += -DCONFIG_E500=1 +PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1 +PLATFORM_CPPFLAGS += -DCONFIG_MPC8548=1 diff --git a/board/atum8548/init.S b/board/atum8548/init.S new file mode 100644 index 0000000..2f016ab --- /dev/null +++ b/board/atum8548/init.S @@ -0,0 +1,242 @@ +/* + * Copyright 2007 + * Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com + * Copyright 2004, 2007 Freescale Semiconductor. + * Copyright 2002,2003, Motorola Inc. + * + * 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 <ppc_defs.h> +#include <asm/cache.h> +#include <asm/mmu.h> +#include <config.h> +#include <mpc85xx.h> + +#define LAWAR_TRGT_PCI1 0x00000000 +#define LAWAR_TRGT_PCI2 0x00100000 +#define LAWAR_TRGT_PCIE 0x00200000 +#define LAWAR_TRGT_DDR 0x00f00000 + +/* + * TLB0 and TLB1 Entries + * + * Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR. + * However, CCSRBAR is then relocated to CFG_CCSRBAR right after + * these TLB entries are established. + * + * The TLB entries for DDR are dynamically setup in spd_sdram() + * and use TLB1 Entries 8 through 15 as needed according to the + * size of DDR memory. + * + * MAS0: tlbsel, esel, nv + * MAS1: valid, iprot, tid, ts, tsize + * MAS2: epn, sharen, x0, x1, w, i, m, g, e + * MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr + */ + +#define entry_start \ + mflr r1 ; \ + bl 0f ; + +#define entry_end \ +0: mflr r0 ; \ + mtlr r1 ; \ + blr ; + + + .section .bootpg, "ax" + .globl tlb1_entry +tlb1_entry: + entry_start + + /* + * Number of TLB0 and TLB1 entries in the following table + */ + .long (2f-1f)/16 + +1: +#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR) + /* + * TLB0 4K Non-cacheable, guarded + * 0xff700000 4K Initial CCSRBAR mapping + * + * This ends up at a TLB0 Index==0 entry, and must not collide + * with other TLB0 Entries. + */ + .long TLB1_MAS0(0, 0, 0) + .long TLB1_MAS1(1, 0, 0, 0, 0) + .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,1,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,0,1,0,1,0,1) +#else +#error("Update the number of table entries in tlb1_entry") +#endif + + /* + * TLB0 16K Cacheable, guarded + * Temporary Global data for initialization + * + * Use four 4K TLB0 entries. These entries must be cacheable + * as they provide the bootstrap memory before the memory + * controler and real memory have been configured. + * + * These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c, + * and must not collide with other TLB0 entries. + */ + .long TLB1_MAS0(0, 0, 0) + .long TLB1_MAS1(1, 0, 0, 0, 0) + .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR), + 0,0,0,0,0,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR), + 0,0,0,0,0,1,0,1,0,1) + + .long TLB1_MAS0(0, 0, 0) + .long TLB1_MAS1(1, 0, 0, 0, 0) + .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 * 1024), + 0,0,0,0,0,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 * 1024), + 0,0,0,0,0,1,0,1,0,1) + + .long TLB1_MAS0(0, 0, 0) + .long TLB1_MAS1(1, 0, 0, 0, 0) + .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024), + 0,0,0,0,0,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 8 * 1024), + 0,0,0,0,0,1,0,1,0,1) + + .long TLB1_MAS0(0, 0, 0) + .long TLB1_MAS1(1, 0, 0, 0, 0) + .long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 * 1024), + 0,0,0,0,0,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 * 1024), + 0,0,0,0,0,1,0,1,0,1) + + /* TLB 1 Initializations */ + /* + * TLB 0, 1: 128M Non-cacheable, guarded + * 0xf8000000 128M FLASH + * Out of reset this entry is only 4K. + */ + .long TLB1_MAS0(1, 0, 0) + .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M) + .long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE + 0x4000000), + 0,0,0,0,1,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE + 0x4000000), + 0,0,0,0,0,1,0,1,0,1) + + .long TLB1_MAS0(1, 1, 0) + .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M) + .long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE), 0,0,0,0,1,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1) + + /* + * TLB 2: 1G Non-cacheable, guarded + * 0x80000000 1G PCI1/PCIE 8,9,a,b + */ + .long TLB1_MAS0(1, 2, 0) + .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G) + .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI_PHYS), 0,0,0,0,1,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI_PHYS), 0,0,0,0,0,1,0,1,0,1) + + /* + * TLB 3, 4: 512M Non-cacheable, guarded + * 0xc0000000 1G PCI2 + */ + .long TLB1_MAS0(1, 3, 0) + .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M) + .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_PHYS), + 0,0,0,0,1,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_PHYS), 0,0,0,0,0,1,0,1,0,1) + .long TLB1_MAS0(1, 4, 0) + .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M) + .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_PHYS + 0x10000000), + 0,0,0,0,1,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_PHYS + 0x10000000), + 0,0,0,0,0,1,0,1,0,1) + + /* + * TLB 5: 64M Non-cacheable, guarded + * 0xe000_0000 1M CCSRBAR + * 0xe200_0000 1M PCI1 IO + * 0xe210_0000 1M PCI2 IO + * 0xe300_0000 1M PCIe IO + */ + .long TLB1_MAS0(1, 5, 0) + .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M) + .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0) + .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1) + +2: + entry_end + +/* + * LAW(Local Access Window) configuration: + * + * 0x0000_0000 0x7fff_ffff DDR 2G + * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M + * 0xa000_0000 0xbfff_ffff PCIe MEM 512M + * 0xc000_0000 0xdfff_ffff PCI2 MEM 512M + * 0xe000_0000 0xe000_ffff CCSR 1M + * 0xe200_0000 0xe10f_ffff PCI1 IO 1M + * 0xe280_0000 0xe20f_ffff PCI2 IO 1M + * 0xe300_0000 0xe30f_ffff PCIe IO 1M + * 0xf800_0000 0xffff_ffff FLASH (boot bank) 128M + * + * Notes: + * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window. + * If flash is 8M at default position (last 8M), no LAW needed. + * + * LAW 0 is reserved for boot mapping + */ + + .section .bootpg, "ax" + .globl law_entry +law_entry: + entry_start + + .long (4f-3f)/8 +3: + .long 0 + .long (LAWAR_TRGT_DDR | (LAWAR_SIZE & LAWAR_SIZE_1G)) & ~LAWAR_EN + + .long (CFG_PCI1_MEM_PHYS>>12) & 0xfffff + .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M) + + .long (CFG_PCI1_IO_PHYS>>12) & 0xfffff + .long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_1M) + + .long (CFG_PCI2_MEM_PHYS>>12) & 0xfffff + .long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M) + + .long (CFG_PCI2_IO_PHYS>>12) & 0xfffff + .long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_1M) + + .long (CFG_PCIE1_MEM_PHYS>>12) & 0xfffff + .long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_512M) + + .long (CFG_PCIE1_IO_PHYS>>12) & 0xfffff + .long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_1M) + + /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */ + .long (CFG_LBC_CACHE_BASE>>12) & 0xfffff + .long LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M) + +4: + entry_end
Applied both, thanks!
I modified the init.S file to conform to Kumar's changes to the TLB macros, just so you know. Please take a look to make sure I didn't break anything (I just did a compile test)
On 12/21/07, robert lazarski robertlazarski@gmail.com wrote:
Add support for Instituto Atlantico's ATUM8548 board
Signed-off-by: robert lazarski robertlazarski@gmail.com
diff --git a/board/atum8548/Makefile b/board/atum8548/Makefile new file mode 100644 index 0000000..e198062 --- /dev/null +++ b/board/atum8548/Makefile @@ -0,0 +1,56 @@ +# +# Copyright 2004 Freescale Semiconductor. +# (C) Copyright 2001-2006 +# 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 $(TOPDIR)/config.mk +ifneq ($(OBJTREE),$(SRCTREE)) +$(shell mkdir -p $(obj)../common) +endif
+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): $(obj).depend $(OBJS) $(SOBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)+clean:
rm -f $(OBJS) $(SOBJS)+distclean: clean
rm -f $(LIB) core *.bak .depend+#########################################################################
+# defines $(obj).depend target +include $(SRCTREE)/rules.mk
+sinclude $(obj).depend
+######################################################################### diff --git a/board/atum8548/atum8548.c b/board/atum8548/atum8548.c new file mode 100644 index 0000000..4d7dc77 --- /dev/null +++ b/board/atum8548/atum8548.c @@ -0,0 +1,420 @@ +/*
- Copyright 2007
- Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com
- Copyright 2007 Freescale Semiconductor, Inc.
- 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 <command.h> +#include <pci.h> +#include <asm/processor.h> +#include <asm/immap_85xx.h> +#include <asm/immap_fsl_pci.h> +#include <asm/io.h> +#include <spd.h> +#include <miiphy.h> +#include <libfdt.h> +#include <fdt_support.h>
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) +extern void ddr_enable_ecc(unsigned int dram_size); +#endif
+extern long int spd_sdram(void); +long int fixed_sdram(void);
+int board_early_init_f (void) +{
return 0;+}
+int checkboard (void) +{
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);if ((uint)&gur->porpllsr != 0xe00e0000) {printf("immap size error %x\n",&gur->porpllsr);}printf ("Board: ATUM8548\n");lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */ecm->eedr = 0xffffffff; /* Clear ecm errors */ecm->eeer = 0xffffffff; /* Enable ecm errors */return 0;+}
+#if !defined(CONFIG_SPD_EEPROM) +/*************************************************************************
- fixed sdram init -- doesn't use serial presence detect.
- ************************************************************************/
+long int fixed_sdram (void) +{
volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);ddr->cs0_bnds = CFG_DDR_CS0_BNDS;ddr->cs0_config = CFG_DDR_CS0_CONFIG;ddr->timing_cfg_0 = CFG_DDR_TIMING_0;ddr->timing_cfg_1 = CFG_DDR_TIMING_1;ddr->timing_cfg_2 = CFG_DDR_TIMING_2;ddr->sdram_mode = CFG_DDR_MODE;ddr->sdram_interval = CFG_DDR_INTERVAL;- #if defined (CONFIG_DDR_ECC)
ddr->err_disable = 0x0000000D;ddr->err_sbe = 0x00ff0000;- #endif
asm("sync;isync;msync");udelay(500);- #if defined (CONFIG_DDR_ECC)
/* Enable ECC checking */ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);- #else
ddr->sdram_cfg = CFG_DDR_CONTROL;- #endif
asm("sync; isync; msync");udelay(500);return CFG_SDRAM_SIZE * 1024 * 1024;+} +#endif /* !defined(CONFIG_SPD_EEPROM) */
+long int +initdram(int board_type) +{
long dram_size = 0;puts("Initializing\n");+#if defined(CONFIG_SPD_EEPROM)
puts("spd_sdram\n");dram_size = spd_sdram ();+#else
puts("fixed_sdram\n");dram_size = fixed_sdram ();+#endif
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
/** Initialize and enable DDR ECC.*/ddr_enable_ecc(dram_size);+#endif
puts(" DDR: ");return dram_size;+}
+#if defined(CFG_DRAM_TEST) +int +testdram(void) +{
uint *pstart = (uint *) CFG_MEMTEST_START;uint *pend = (uint *) CFG_MEMTEST_END;uint *p;printf("Testing DRAM from 0x%08x to 0x%08x\n",CFG_MEMTEST_START,CFG_MEMTEST_END);printf("DRAM test phase 1:\n");for (p = pstart; p < pend; p++) {printf ("DRAM test attempting to write 0xaaaaaaaa at: %08x\n", (uint) p);*p = 0xaaaaaaaa;}for (p = pstart; p < pend; p++) {if (*p != 0xaaaaaaaa) {printf ("DRAM test fails at: %08x\n", (uint) p);return 1;}}printf("DRAM test phase 2:\n");for (p = pstart; p < pend; p++)*p = 0x55555555;for (p = pstart; p < pend; p++) {if (*p != 0x55555555) {printf ("DRAM test fails at: %08x\n", (uint) p);return 1;}}printf("DRAM test passed.\n");return 0;+} +#endif
+#ifdef CONFIG_PCI1 +static struct pci_controller pci1_hose; +#endif
+#ifdef CONFIG_PCI2 +static struct pci_controller pci2_hose; +#endif
+#ifdef CONFIG_PCIE1 +static struct pci_controller pcie1_hose; +#endif
+int first_free_busno=0;
+void +pci_init_board(void) +{
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);uint devdisr = gur->devdisr;uint io_sel = (gur->pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;uint host_agent = (gur->porbmsr & MPC85xx_PORBMSR_HA) >> 16;debug (" pci_init_board: devdisr=%x, io_sel=%x, host_agent=%x\n",devdisr, io_sel, host_agent);/* explicitly set 'Clock out select register' to echo SYSCLKinput to our CPLD */
gur->clkocr |= MPC85xx_ATUM_CLKOCR;if (io_sel & 1) {if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS))printf (" eTSEC1 is in sgmii mode.\n");if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS))printf (" eTSEC2 is in sgmii mode.\n");if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS))printf (" eTSEC3 is in sgmii mode.\n");if (!(gur->pordevsr & MPC85xx_PORDEVSR_SGMII4_DIS))printf (" eTSEC4 is in sgmii mode.\n");}+#ifdef CONFIG_PCIE1
- {
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;extern void fsl_pci_init(struct pci_controller *hose);struct pci_controller *hose = &pcie1_hose;int pcie_ep = (host_agent == 5);int pcie_configured = io_sel & 6;if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){printf ("\n PCIE1 connected to slot as %s (base address %x)",pcie_ep ? "End Point" : "Root Complex",(uint)pci);if (pci->pme_msg_det) {pci->pme_msg_det = 0xffffffff;debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);}printf ("\n");/* inbound */pci_set_region(hose->regions + 0,CFG_PCI_MEMORY_BUS,CFG_PCI_MEMORY_PHYS,CFG_PCI_MEMORY_SIZE,PCI_REGION_MEM | PCI_REGION_MEMORY);/* outbound memory */pci_set_region(hose->regions + 1,CFG_PCIE1_MEM_BASE,CFG_PCIE1_MEM_PHYS,CFG_PCIE1_MEM_SIZE,PCI_REGION_MEM);/* outbound io */pci_set_region(hose->regions + 2,CFG_PCIE1_IO_BASE,CFG_PCIE1_IO_PHYS,CFG_PCIE1_IO_SIZE,PCI_REGION_IO);hose->region_count = 3;+#ifdef CFG_PCIE1_MEM_BASE2
/* outbound memory */pci_set_region(hose->regions + 3,CFG_PCIE1_MEM_BASE2,CFG_PCIE1_MEM_PHYS2,CFG_PCIE1_MEM_SIZE2,PCI_REGION_MEM);hose->region_count++;+#endif
hose->first_busno=first_free_busno;pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);fsl_pci_init(hose);first_free_busno=hose->last_busno+1;printf(" PCIE1 on bus %02x - %02x\n",hose->first_busno,hose->last_busno);} else {printf (" PCIE1: disabled\n");}- }
+#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */+#endif
+#ifdef CONFIG_PCI1 +{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;extern void fsl_pci_init(struct pci_controller *hose);struct pci_controller *hose = &pci1_hose;uint pci_agent = (host_agent == 6);uint pci_speed = 33333000; /*get_clock_freq (); PCI PSPEED in [4:5] */uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /*PORPLLSR[16] */
if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {printf ("\n PCI1: %d bit, %s MHz, %s, %s, %s (base address %x)\n",(pci_32) ? 32 : 64,(pci_speed == 33333000) ? "33" :(pci_speed == 66666000) ? "66" : "unknown",pci_clk_sel ? "sync" : "async",pci_agent ? "agent" : "host",pci_arb ? "arbiter" : "external-arbiter",(uint)pci);/* inbound */pci_set_region(hose->regions + 0,CFG_PCI_MEMORY_BUS,CFG_PCI_MEMORY_PHYS,CFG_PCI_MEMORY_SIZE,PCI_REGION_MEM | PCI_REGION_MEMORY);/* outbound memory */pci_set_region(hose->regions + 1,CFG_PCI1_MEM_BASE,CFG_PCI1_MEM_PHYS,CFG_PCI1_MEM_SIZE,PCI_REGION_MEM);/* outbound io */pci_set_region(hose->regions + 2,CFG_PCI1_IO_BASE,CFG_PCI1_IO_PHYS,CFG_PCI1_IO_SIZE,PCI_REGION_IO);hose->region_count = 3;hose->first_busno=first_free_busno;pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);fsl_pci_init(hose);first_free_busno=hose->last_busno+1;printf ("PCI1 on bus %02x - %02x\n",hose->first_busno,hose->last_busno);} else {printf (" PCI1: disabled\n");}+} +#else
gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */+#endif
+#ifdef CONFIG_PCI2 +{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;extern void fsl_pci_init(struct pci_controller *hose);struct pci_controller *hose = &pci2_hose;if (!(devdisr & MPC85xx_DEVDISR_PCI2)) {pci_set_region(hose->regions + 0,CFG_PCI_MEMORY_BUS,CFG_PCI_MEMORY_PHYS,CFG_PCI_MEMORY_SIZE,PCI_REGION_MEM | PCI_REGION_MEMORY);pci_set_region(hose->regions + 1,CFG_PCI2_MEM_BASE,CFG_PCI2_MEM_PHYS,CFG_PCI2_MEM_SIZE,PCI_REGION_MEM);pci_set_region(hose->regions + 2,CFG_PCI2_IO_BASE,CFG_PCI2_IO_PHYS,CFG_PCI2_IO_SIZE,PCI_REGION_IO);hose->region_count = 3;hose->first_busno=first_free_busno;pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);fsl_pci_init(hose);first_free_busno=hose->last_busno+1;printf ("PCI2 on bus %02x - %02x\n",hose->first_busno,hose->last_busno);} else {printf (" PCI2: disabled\n");}+} +#else
gur->devdisr |= MPC85xx_DEVDISR_PCI2;+#endif +}
+int last_stage_init(void) +{
int ic = icache_status ();printf ("icache_status: %d\n", ic);return 0;+}
+#if defined(CONFIG_OF_BOARD_SETUP)
+void +ft_board_setup(void *blob, bd_t *bd) +{
int node, tmp[2];const char *path;ft_cpu_setup(blob, bd);node = fdt_path_offset(blob, "/aliases");tmp[0] = 0;if (node >= 0) {+#ifdef CONFIG_PCI1
path = fdt_getprop(blob, node, "pci0", NULL);if (path) {tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);}+#endif +#ifdef CONFIG_PCI2
path = fdt_getprop(blob, node, "pci1", NULL);if (path) {tmp[1] = pci2_hose.last_busno - pci2_hose.first_busno;do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);}+#endif +#ifdef CONFIG_PCIE1
path = fdt_getprop(blob, node, "pci2", NULL);if (path) {tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);}+#endif
}+} +#endif diff --git a/board/atum8548/config.mk b/board/atum8548/config.mk new file mode 100644 index 0000000..9065817 --- /dev/null +++ b/board/atum8548/config.mk @@ -0,0 +1,33 @@ +# +# Copyright 2004, 2007 Freescale Semiconductor. +# +# 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 +#
+# +# atum8548 board +# TEXT_BASE = 0xfff80000 +# TEXT_BASE = 0xfffff000 +ifndef TEXT_BASE +TEXT_BASE = 0xfff80000 +endif
+PLATFORM_CPPFLAGS += -DCONFIG_E500=1 +PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1 +PLATFORM_CPPFLAGS += -DCONFIG_MPC8548=1 diff --git a/board/atum8548/init.S b/board/atum8548/init.S new file mode 100644 index 0000000..2f016ab --- /dev/null +++ b/board/atum8548/init.S @@ -0,0 +1,242 @@ +/*
- Copyright 2007
- Robert Lazarski, Instituto Atlantico, robertlazarski@gmail.com
- Copyright 2004, 2007 Freescale Semiconductor.
- Copyright 2002,2003, Motorola Inc.
- 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 <ppc_defs.h> +#include <asm/cache.h> +#include <asm/mmu.h> +#include <config.h> +#include <mpc85xx.h>
+#define LAWAR_TRGT_PCI1 0x00000000 +#define LAWAR_TRGT_PCI2 0x00100000 +#define LAWAR_TRGT_PCIE 0x00200000 +#define LAWAR_TRGT_DDR 0x00f00000
+/*
- TLB0 and TLB1 Entries
- Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
- However, CCSRBAR is then relocated to CFG_CCSRBAR right after
- these TLB entries are established.
- The TLB entries for DDR are dynamically setup in spd_sdram()
- and use TLB1 Entries 8 through 15 as needed according to the
- size of DDR memory.
- MAS0: tlbsel, esel, nv
- MAS1: valid, iprot, tid, ts, tsize
- MAS2: epn, sharen, x0, x1, w, i, m, g, e
- MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
- */
+#define entry_start \
mflr r1 ; \bl 0f ;+#define entry_end \ +0: mflr r0 ; \
mtlr r1 ; \blr ;.section .bootpg, "ax".globl tlb1_entry+tlb1_entry:
entry_start/** Number of TLB0 and TLB1 entries in the following table*/.long (2f-1f)/16+1: +#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
/** TLB0 4K Non-cacheable, guarded* 0xff700000 4K Initial CCSRBAR mapping** This ends up at a TLB0 Index==0 entry, and must not collide* with other TLB0 Entries.*/.long TLB1_MAS0(0, 0, 0).long TLB1_MAS1(1, 0, 0, 0, 0).long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,1,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,0,1,0,1,0,1)+#else +#error("Update the number of table entries in tlb1_entry") +#endif
/** TLB0 16K Cacheable, guarded* Temporary Global data for initialization** Use four 4K TLB0 entries. These entries must be cacheable* as they provide the bootstrap memory before the memory* controler and real memory have been configured.** These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,* and must not collide with other TLB0 entries.*/.long TLB1_MAS0(0, 0, 0).long TLB1_MAS1(1, 0, 0, 0, 0).long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR),0,0,0,0,0,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR),0,0,0,0,0,1,0,1,0,1).long TLB1_MAS0(0, 0, 0).long TLB1_MAS1(1, 0, 0, 0, 0).long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 * 1024),0,0,0,0,0,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 * 1024),0,0,0,0,0,1,0,1,0,1).long TLB1_MAS0(0, 0, 0).long TLB1_MAS1(1, 0, 0, 0, 0).long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024),0,0,0,0,0,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 8 * 1024),0,0,0,0,0,1,0,1,0,1).long TLB1_MAS0(0, 0, 0).long TLB1_MAS1(1, 0, 0, 0, 0).long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 * 1024),0,0,0,0,0,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 * 1024),0,0,0,0,0,1,0,1,0,1)/* TLB 1 Initializations *//** TLB 0, 1: 128M Non-cacheable, guarded* 0xf8000000 128M FLASH* Out of reset this entry is only 4K.*/.long TLB1_MAS0(1, 0, 0).long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M).long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE + 0x4000000),0,0,0,0,1,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE + 0x4000000),0,0,0,0,0,1,0,1,0,1).long TLB1_MAS0(1, 1, 0).long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M).long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE), 0,0,0,0,1,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1)/** TLB 2: 1G Non-cacheable, guarded* 0x80000000 1G PCI1/PCIE 8,9,a,b*/.long TLB1_MAS0(1, 2, 0).long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G).long TLB1_MAS2(E500_TLB_EPN(CFG_PCI_PHYS), 0,0,0,0,1,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_PCI_PHYS), 0,0,0,0,0,1,0,1,0,1)/** TLB 3, 4: 512M Non-cacheable, guarded* 0xc0000000 1G PCI2*/.long TLB1_MAS0(1, 3, 0).long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M).long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_PHYS),0,0,0,0,1,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_PHYS), 0,0,0,0,0,1,0,1,0,1).long TLB1_MAS0(1, 4, 0).long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M).long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_PHYS + 0x10000000),0,0,0,0,1,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_PHYS + 0x10000000),0,0,0,0,0,1,0,1,0,1)/** TLB 5: 64M Non-cacheable, guarded* 0xe000_0000 1M CCSRBAR* 0xe200_0000 1M PCI1 IO* 0xe210_0000 1M PCI2 IO* 0xe300_0000 1M PCIe IO*/.long TLB1_MAS0(1, 5, 0).long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M).long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0).long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1)+2:
entry_end+/*
- LAW(Local Access Window) configuration:
- 0x0000_0000 0x7fff_ffff DDR 2G
- 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
- 0xa000_0000 0xbfff_ffff PCIe MEM 512M
- 0xc000_0000 0xdfff_ffff PCI2 MEM 512M
- 0xe000_0000 0xe000_ffff CCSR 1M
- 0xe200_0000 0xe10f_ffff PCI1 IO 1M
- 0xe280_0000 0xe20f_ffff PCI2 IO 1M
- 0xe300_0000 0xe30f_ffff PCIe IO 1M
- 0xf800_0000 0xffff_ffff FLASH (boot bank) 128M
- Notes:
- CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
- If flash is 8M at default position (last 8M), no LAW needed.
- LAW 0 is reserved for boot mapping
- */
.section .bootpg, "ax".globl law_entry+law_entry:
entry_start.long (4f-3f)/8+3:
.long 0.long (LAWAR_TRGT_DDR | (LAWAR_SIZE & LAWAR_SIZE_1G)) & ~LAWAR_EN.long (CFG_PCI1_MEM_PHYS>>12) & 0xfffff.long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M).long (CFG_PCI1_IO_PHYS>>12) & 0xfffff.long LAWAR_EN | LAWAR_TRGT_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_1M).long (CFG_PCI2_MEM_PHYS>>12) & 0xfffff.long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M).long (CFG_PCI2_IO_PHYS>>12) & 0xfffff.long LAWAR_EN | LAWAR_TRGT_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_1M).long (CFG_PCIE1_MEM_PHYS>>12) & 0xfffff.long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_512M).long (CFG_PCIE1_IO_PHYS>>12) & 0xfffff.long LAWAR_EN | LAWAR_TRGT_PCIE | (LAWAR_SIZE & LAWAR_SIZE_1M)/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */.long (CFG_LBC_CACHE_BASE>>12) & 0xfffff.long LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M)+4:
entry_end
participants (2)
-
Andy Fleming -
robert lazarski