diff options
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/config.mk | 4 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu.c | 219 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/fdt.c | 22 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/mp.c | 31 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/mp.h | 1 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/tlb.c | 16 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/u-boot.lds | 52 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc86xx/config.mk | 7 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc86xx/u-boot.lds | 122 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c | 17 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc8xxx/fdt.c | 24 | ||||
-rw-r--r-- | arch/powerpc/cpu/mpc8xxx/pci_cfg.c | 5 | ||||
-rw-r--r-- | arch/powerpc/cpu/ppc4xx/cpu_init.c | 8 | ||||
-rw-r--r-- | arch/powerpc/cpu/ppc4xx/interrupts.c | 7 | ||||
-rw-r--r-- | arch/powerpc/cpu/ppc4xx/traps.c | 11 | ||||
-rw-r--r-- | arch/powerpc/include/asm/fsl_ddr_sdram.h | 6 | ||||
-rw-r--r-- | arch/powerpc/include/asm/fsl_enet.h | 33 |
17 files changed, 509 insertions, 76 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/config.mk b/arch/powerpc/cpu/mpc85xx/config.mk index f07d920..ce4376b 100644 --- a/arch/powerpc/cpu/mpc85xx/config.mk +++ b/arch/powerpc/cpu/mpc85xx/config.mk @@ -25,6 +25,10 @@ PLATFORM_RELFLAGS += -fPIC -meabi PLATFORM_CPPFLAGS += -ffixed-r2 -Wa,-me500 -msoft-float -mno-string +# Enable gc-sections to enable generation of smaller images. +PLATFORM_LDFLAGS += --gc-sections +PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections + # -mspe=yes is needed to have -mno-spe accepted by a buggy GCC; # see "[PATCH,rs6000] make -mno-spe work as expected" on # http://gcc.gnu.org/ml/gcc-patches/2008-04/msg00311.html diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 3f80700..fc5d951 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -34,6 +34,9 @@ #include <asm/io.h> #include <asm/mmu.h> #include <asm/fsl_law.h> +#include <post.h> +#include <asm/processor.h> +#include <asm/fsl_ddr_sdram.h> DECLARE_GLOBAL_DATA_PTR; @@ -282,3 +285,219 @@ void mpc85xx_reginfo(void) print_laws(); print_lbc_regs(); } + +#if CONFIG_POST & CONFIG_SYS_POST_MEMORY + +/* Board-specific functions defined in each board's ddr.c */ +void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd, + unsigned int ctrl_num); +void read_tlbcam_entry(int idx, u32 *valid, u32 *tsize, unsigned long *epn, + phys_addr_t *rpn); +unsigned int + setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg); + +static void dump_spd_ddr_reg(void) +{ + int i, j, k, m; + u8 *p_8; + u32 *p_32; + ccsr_ddr_t *ddr[CONFIG_NUM_DDR_CONTROLLERS]; + generic_spd_eeprom_t + spd[CONFIG_NUM_DDR_CONTROLLERS][CONFIG_DIMM_SLOTS_PER_CTLR]; + + for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) + fsl_ddr_get_spd(spd[i], i); + + puts("SPD data of all dimms (zero vaule is omitted)...\n"); + puts("Byte (hex) "); + k = 1; + for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { + for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) + printf("Dimm%d ", k++); + } + puts("\n"); + for (k = 0; k < sizeof(generic_spd_eeprom_t); k++) { + m = 0; + printf("%3d (0x%02x) ", k, k); + for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { + for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) { + p_8 = (u8 *) &spd[i][j]; + if (p_8[k]) { + printf("0x%02x ", p_8[k]); + m++; + } else + puts(" "); + } + } + if (m) + puts("\n"); + else + puts("\r"); + } + + for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { + switch (i) { + case 0: + ddr[i] = (void *)CONFIG_SYS_MPC85xx_DDR_ADDR; + break; +#ifdef CONFIG_SYS_MPC85xx_DDR2_ADDR + case 1: + ddr[i] = (void *)CONFIG_SYS_MPC85xx_DDR2_ADDR; + break; +#endif + default: + printf("%s unexpected controller number = %u\n", + __func__, i); + return; + } + } + printf("DDR registers dump for all controllers " + "(zero vaule is omitted)...\n"); + puts("Offset (hex) "); + for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) + printf(" Base + 0x%04x", (u32)ddr[i] & 0xFFFF); + puts("\n"); + for (k = 0; k < sizeof(ccsr_ddr_t)/4; k++) { + m = 0; + printf("%6d (0x%04x)", k * 4, k * 4); + for (i = 0; i < CONFIG_NUM_DDR_CONTROLLERS; i++) { + p_32 = (u32 *) ddr[i]; + if (p_32[k]) { + printf(" 0x%08x", p_32[k]); + m++; + } else + puts(" "); + } + if (m) + puts("\n"); + else + puts("\r"); + } + puts("\n"); +} + +/* invalid the TLBs for DDR and setup new ones to cover p_addr */ +static int reset_tlb(phys_addr_t p_addr, u32 size, phys_addr_t *phys_offset) +{ + u32 vstart = CONFIG_SYS_DDR_SDRAM_BASE; + unsigned long epn; + u32 tsize, valid, ptr; + phys_addr_t rpn = 0; + int ddr_esel; + + ptr = vstart; + + while (ptr < (vstart + size)) { + ddr_esel = find_tlb_idx((void *)ptr, 1); + if (ddr_esel != -1) { + read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn); + disable_tlb(ddr_esel); + } + ptr += TSIZE_TO_BYTES(tsize); + } + + /* Setup new tlb to cover the physical address */ + setup_ddr_tlbs_phys(p_addr, size>>20); + + ptr = vstart; + ddr_esel = find_tlb_idx((void *)ptr, 1); + if (ddr_esel != -1) { + read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, phys_offset); + } else { + printf("TLB error in function %s\n", __func__); + return -1; + } + + return 0; +} + +/* + * slide the testing window up to test another area + * for 32_bit system, the maximum testable memory is limited to + * CONFIG_MAX_MEM_MAPPED + */ +int arch_memory_test_advance(u32 *vstart, u32 *size, phys_addr_t *phys_offset) +{ + phys_addr_t test_cap, p_addr; + phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED); + +#if !defined(CONFIG_PHYS_64BIT) || \ + !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \ + (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull) + test_cap = p_size; +#else + test_cap = gd->ram_size; +#endif + p_addr = (*vstart) + (*size) + (*phys_offset); + if (p_addr < test_cap - 1) { + p_size = min(test_cap - p_addr, CONFIG_MAX_MEM_MAPPED); + if (reset_tlb(p_addr, p_size, phys_offset) == -1) + return -1; + *vstart = CONFIG_SYS_DDR_SDRAM_BASE; + *size = (u32) p_size; + printf("Testing 0x%08llx - 0x%08llx\n", + (u64)(*vstart) + (*phys_offset), + (u64)(*vstart) + (*phys_offset) + (*size) - 1); + } else + return 1; + + return 0; +} + +/* initialization for testing area */ +int arch_memory_test_prepare(u32 *vstart, u32 *size, phys_addr_t *phys_offset) +{ + phys_size_t p_size = min(gd->ram_size, CONFIG_MAX_MEM_MAPPED); + + *vstart = CONFIG_SYS_DDR_SDRAM_BASE; + *size = (u32) p_size; /* CONFIG_MAX_MEM_MAPPED < 4G */ + *phys_offset = 0; + +#if !defined(CONFIG_PHYS_64BIT) || \ + !defined(CONFIG_SYS_INIT_RAM_ADDR_PHYS) || \ + (CONFIG_SYS_INIT_RAM_ADDR_PHYS < 0x100000000ull) + if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) { + puts("Cannot test more than "); + print_size(CONFIG_MAX_MEM_MAPPED, + " without proper 36BIT support.\n"); + } +#endif + printf("Testing 0x%08llx - 0x%08llx\n", + (u64)(*vstart) + (*phys_offset), + (u64)(*vstart) + (*phys_offset) + (*size) - 1); + + return 0; +} + +/* invalid TLBs for DDR and remap as normal after testing */ +int arch_memory_test_cleanup(u32 *vstart, u32 *size, phys_addr_t *phys_offset) +{ + unsigned long epn; + u32 tsize, valid, ptr; + phys_addr_t rpn = 0; + int ddr_esel; + + /* disable the TLBs for this testing */ + ptr = *vstart; + + while (ptr < (*vstart) + (*size)) { + ddr_esel = find_tlb_idx((void *)ptr, 1); + if (ddr_esel != -1) { + read_tlbcam_entry(ddr_esel, &valid, &tsize, &epn, &rpn); + disable_tlb(ddr_esel); + } + ptr += TSIZE_TO_BYTES(tsize); + } + + puts("Remap DDR "); + setup_ddr_tlbs(gd->ram_size>>20); + puts("\n"); + + return 0; +} + +void arch_memory_failure_handle(void) +{ + dump_spd_ddr_reg(); +} +#endif diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c index 4540364..53e0596 100644 --- a/arch/powerpc/cpu/mpc85xx/fdt.c +++ b/arch/powerpc/cpu/mpc85xx/fdt.c @@ -48,6 +48,7 @@ void ft_fixup_cpu(void *blob, u64 memory_limit) ulong spin_tbl_addr = get_spin_phys_addr(); u32 bootpg = determine_mp_bootpg(); u32 id = get_my_id(); + const char *enable_method; off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4); while (off != -FDT_ERR_NOTFOUND) { @@ -63,10 +64,25 @@ void ft_fixup_cpu(void *blob, u64 memory_limit) fdt_setprop_string(blob, off, "status", "disabled"); } + + if (hold_cores_in_reset(0)) { +#ifdef CONFIG_FSL_CORENET + /* Cores held in reset, use BRR to release */ + enable_method = "fsl,brr-holdoff"; +#else + /* Cores held in reset, use EEBPCR to release */ + enable_method = "fsl,eebpcr-holdoff"; +#endif + } else { + /* Cores out of reset and in a spin-loop */ + enable_method = "spin-table"; + + fdt_setprop(blob, off, "cpu-release-addr", + &val, sizeof(val)); + } + fdt_setprop_string(blob, off, "enable-method", - "spin-table"); - fdt_setprop(blob, off, "cpu-release-addr", - &val, sizeof(val)); + enable_method); } else { printf ("cpu NULL\n"); } diff --git a/arch/powerpc/cpu/mpc85xx/mp.c b/arch/powerpc/cpu/mpc85xx/mp.c index 603baef..a019b1b 100644 --- a/arch/powerpc/cpu/mpc85xx/mp.c +++ b/arch/powerpc/cpu/mpc85xx/mp.c @@ -36,6 +36,27 @@ u32 get_my_id() return mfspr(SPRN_PIR); } +/* + * Determine if U-Boot should keep secondary cores in reset, or let them out + * of reset and hold them in a spinloop + */ +int hold_cores_in_reset(int verbose) +{ + const char *s = getenv("mp_holdoff"); + + /* Default to no, overriden by 'y', 'yes', 'Y', 'Yes', or '1' */ + if (s && (*s == 'y' || *s == 'Y' || *s == '1')) { + if (verbose) { + puts("Secondary cores are being held in reset.\n"); + puts("See 'mp_holdoff' environment variable\n"); + } + + return 1; + } + + return 0; +} + int cpu_reset(int nr) { volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR); @@ -51,6 +72,9 @@ int cpu_status(int nr) { u32 *table, id = get_my_id(); + if (hold_cores_in_reset(1)) + return 0; + if (nr == id) { table = (u32 *)get_spin_virt_addr(); printf("table base @ 0x%p\n", table); @@ -133,6 +157,9 @@ int cpu_release(int nr, int argc, char * const argv[]) u32 i, val, *table = (u32 *)get_spin_virt_addr() + nr * NUM_BOOT_ENTRY; u64 boot_addr; + if (hold_cores_in_reset(1)) + return 0; + if (nr == get_my_id()) { printf("Invalid to release the boot core.\n\n"); return 1; @@ -353,6 +380,10 @@ void setup_mp(void) ulong fixup = (ulong)&__secondary_start_page; u32 bootpg = determine_mp_bootpg(); + /* Some OSes expect secondary cores to be held in reset */ + if (hold_cores_in_reset(0)) + return; + /* Store the bootpg's SDRAM address for use by secondary CPU cores */ __bootpg_addr = bootpg; diff --git a/arch/powerpc/cpu/mpc85xx/mp.h b/arch/powerpc/cpu/mpc85xx/mp.h index 3422cc1..87bac37 100644 --- a/arch/powerpc/cpu/mpc85xx/mp.h +++ b/arch/powerpc/cpu/mpc85xx/mp.h @@ -6,6 +6,7 @@ ulong get_spin_phys_addr(void); ulong get_spin_virt_addr(void); u32 get_my_id(void); +int hold_cores_in_reset(int verbose); #define BOOT_ENTRY_ADDR_UPPER 0 #define BOOT_ENTRY_ADDR_LOWER 1 diff --git a/arch/powerpc/cpu/mpc85xx/tlb.c b/arch/powerpc/cpu/mpc85xx/tlb.c index f2833a5..e3a71ae 100644 --- a/arch/powerpc/cpu/mpc85xx/tlb.c +++ b/arch/powerpc/cpu/mpc85xx/tlb.c @@ -245,7 +245,8 @@ void init_addr_map(void) } #endif -unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg) +unsigned int +setup_ddr_tlbs_phys(phys_addr_t p_addr, unsigned int memsize_in_meg) { int i; unsigned int tlb_size; @@ -275,21 +276,24 @@ unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg) tlb_size = (camsize - 10) / 2; - set_tlb(1, ram_tlb_address, ram_tlb_address, + set_tlb(1, ram_tlb_address, p_addr, MAS3_SX|MAS3_SW|MAS3_SR, 0, 0, ram_tlb_index, tlb_size, 1); size -= 1ULL << camsize; memsize -= 1ULL << camsize; ram_tlb_address += 1UL << camsize; + p_addr += 1UL << camsize; } if (memsize) print_size(memsize, " left unmapped\n"); - - /* - * Confirm that the requested amount of memory was mapped. - */ return memsize_in_meg; } + +unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg) +{ + return + setup_ddr_tlbs_phys(CONFIG_SYS_DDR_SDRAM_BASE, memsize_in_meg); +} #endif /* !CONFIG_NAND_SPL */ diff --git a/arch/powerpc/cpu/mpc85xx/u-boot.lds b/arch/powerpc/cpu/mpc85xx/u-boot.lds index c88b1f3..85042c5 100644 --- a/arch/powerpc/cpu/mpc85xx/u-boot.lds +++ b/arch/powerpc/cpu/mpc85xx/u-boot.lds @@ -25,8 +25,7 @@ #endif OUTPUT_ARCH(powerpc) -/* Do we need any of these for elf? - __DYNAMIC = 0; */ + PHDRS { text PT_LOAD; @@ -38,42 +37,16 @@ SECTIONS /* 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 : { - *(.text) - *(.got1) + *(.text*) } :text _etext = .; PROVIDE (etext = .); .rodata : { - *(.eh_frame) *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } :text - .fini : { *(.fini) } =0 - .ctors : { *(.ctors) } - .dtors : { *(.dtors) } /* Read-write section, merged into data segment: */ . = (. + 0x00FF) & 0xFFFFFF00; @@ -81,23 +54,19 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - *(.got) + KEEP(*(.got)) _GOT2_TABLE_ = .; - *(.got2) + KEEP(*(.got2)) _FIXUP_TABLE_ = .; - *(.fixup) + KEEP(*(.fixup)) } __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; __fixup_entries = (. - _FIXUP_TABLE_) >> 2; .data : { - *(.data) - *(.data1) - *(.sdata) - *(.sdata2) - *(.dynamic) - CONSTRUCTORS + *(.data*) + *(.sdata*) } _edata = .; PROVIDE (edata = .); @@ -126,7 +95,7 @@ SECTIONS .resetvec RESET_VECTOR_ADDRESS : { - *(.resetvec) + KEEP(*(.resetvec)) } :text = 0xffff . = RESET_VECTOR_ADDRESS + 0x4; @@ -145,9 +114,8 @@ SECTIONS __bss_start = .; .bss (NOLOAD) : { - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) + *(.sbss*) + *(.bss*) *(COMMON) } :bss diff --git a/arch/powerpc/cpu/mpc86xx/config.mk b/arch/powerpc/cpu/mpc86xx/config.mk index ca2f837..bce0fb3 100644 --- a/arch/powerpc/cpu/mpc86xx/config.mk +++ b/arch/powerpc/cpu/mpc86xx/config.mk @@ -25,3 +25,10 @@ PLATFORM_RELFLAGS += -fPIC -meabi PLATFORM_CPPFLAGS += -ffixed-r2 -mstring PLATFORM_CPPFLAGS += -maltivec -mabi=altivec -msoft-float + +# Enable gc-sections to enable generation of smaller images. +PLATFORM_LDFLAGS += --gc-sections +PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections + +# Use default linker script. Board port can override in board/*/config.mk +LDSCRIPT := $(SRCTREE)/arch/powerpc/cpu/mpc86xx/u-boot.lds diff --git a/arch/powerpc/cpu/mpc86xx/u-boot.lds b/arch/powerpc/cpu/mpc86xx/u-boot.lds new file mode 100644 index 0000000..4bfcb90 --- /dev/null +++ b/arch/powerpc/cpu/mpc86xx/u-boot.lds @@ -0,0 +1,122 @@ +/* + * Copyright 2006, 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 + */ + +OUTPUT_ARCH(powerpc) + +SECTIONS +{ + + /* Read-only sections, merged into text segment: */ + .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 : + { + arch/powerpc/cpu/mpc86xx/start.o (.text) + arch/powerpc/cpu/mpc86xx/traps.o (.text) + arch/powerpc/cpu/mpc86xx/interrupts.o (.text) + arch/powerpc/cpu/mpc86xx/cpu_init.o (.text) + arch/powerpc/cpu/mpc86xx/cpu.o (.text) + arch/powerpc/cpu/mpc86xx/speed.o (.text) + common/dlmalloc.o (.text) + lib/crc32.o (.text) + arch/powerpc/lib/extable.o (.text) + lib/zlib.o (.text) + *(.text*) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + KEEP(*(.got)) + _GOT2_TABLE_ = .; + KEEP(*(.got2)) + _FIXUP_TABLE_ = .; + KEEP(*(.fixup)) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data*) + *(.sdata*) + } + _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*) + *(.bss*) + *(COMMON) + . = ALIGN(4); + } + _end = . ; + PROVIDE (end = .); +} diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c index e82082e..3fec100 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c @@ -1184,6 +1184,7 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, unsigned int sr_it; unsigned int zq_en; unsigned int wrlvl_en; + int cs_en = 1; memset(ddr, 0, sizeof(fsl_ddr_cfg_regs_t)); @@ -1250,16 +1251,23 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, * and each controller uses rank interleaving within * itself. Therefore the starting and ending address * on each controller is twice the amount present on - * each controller. + * each controller. If any CS is not included in the + * interleaving, the memory on that CS is not accssible + * and the total memory size is reduced. The CS is also + * disabled. */ unsigned long long ctlr_density = 0; switch (popts->ba_intlv_ctl & FSL_DDR_CS0_CS1_CS2_CS3) { case FSL_DDR_CS0_CS1: case FSL_DDR_CS0_CS1_AND_CS2_CS3: ctlr_density = dimm_params[0].rank_density * 2; + if (i > 1) + cs_en = 0; break; case FSL_DDR_CS2_CS3: ctlr_density = dimm_params[0].rank_density; + if (i > 0) + cs_en = 0; break; case FSL_DDR_CS0_CS1_CS2_CS3: /* @@ -1379,8 +1387,11 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts, ); debug("FSLDDR: cs[%d]_bnds = 0x%08x\n", i, ddr->cs[i].bnds); - set_csn_config(dimm_number, i, ddr, popts, dimm_params); - set_csn_config_2(i, ddr); + if (cs_en) { + set_csn_config(dimm_number, i, ddr, popts, dimm_params); + set_csn_config_2(i, ddr); + } else + printf("CS%d is disabled.\n", i); } set_ddr_eor(ddr, popts); diff --git a/arch/powerpc/cpu/mpc8xxx/fdt.c b/arch/powerpc/cpu/mpc8xxx/fdt.c index 88c47d1..54e60bb 100644 --- a/arch/powerpc/cpu/mpc8xxx/fdt.c +++ b/arch/powerpc/cpu/mpc8xxx/fdt.c @@ -27,6 +27,7 @@ #include <libfdt.h> #include <fdt_support.h> #include <asm/mp.h> +#include <asm/fsl_enet.h> #if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) static int ft_del_cpuhandle(void *blob, int cpuhandle) @@ -215,3 +216,26 @@ void fdt_fixup_crypto_node(void *blob, int sec_rev) fdt_del_node_and_alias(blob, "crypto"); } #endif + +int fdt_fixup_phy_connection(void *blob, int offset, enum fsl_phy_enet_if phyc) +{ + static const char *fsl_phy_enet_if_str[] = { + [MII] = "mii", + [RMII] = "rmii", + [GMII] = "gmii", + [RGMII] = "rgmii", + [RGMII_ID] = "rgmii-id", + [RGMII_RXID] = "rgmii-rxid", + [SGMII] = "sgmii", + [TBI] = "tbi", + [RTBI] = "rtbi", + [XAUI] = "xgmii", + [FSL_ETH_IF_NONE] = "", + }; + + if (phyc > ARRAY_SIZE(fsl_phy_enet_if_str)) + return fdt_setprop_string(blob, offset, "phy-connection-type", ""); + + return fdt_setprop_string(blob, offset, "phy-connection-type", + fsl_phy_enet_if_str[phyc]); +} diff --git a/arch/powerpc/cpu/mpc8xxx/pci_cfg.c b/arch/powerpc/cpu/mpc8xxx/pci_cfg.c index 186936f..53236a3 100644 --- a/arch/powerpc/cpu/mpc8xxx/pci_cfg.c +++ b/arch/powerpc/cpu/mpc8xxx/pci_cfg.c @@ -138,7 +138,10 @@ static struct pci_info pci_config_info[] = { [LAW_TRGT_IF_PCIE_1] = { .cfg = (1 << 2) | (1 << 3) | (1 << 5) | (1 << 6) | - (1 << 7) | (1 << 0xe) | (1 << 0xf), + (1 << 7) | (1 << 0xf), + }, + [LAW_TRGT_IF_PCIE_2] = { + .cfg = (1 << 3) | (1 << 0xe) | (1 << 0xf), }, }; #elif defined(CONFIG_P1011) || defined(CONFIG_P1020) || \ diff --git a/arch/powerpc/cpu/ppc4xx/cpu_init.c b/arch/powerpc/cpu/ppc4xx/cpu_init.c index 2a727b1..bf208ad 100644 --- a/arch/powerpc/cpu/ppc4xx/cpu_init.c +++ b/arch/powerpc/cpu/ppc4xx/cpu_init.c @@ -342,7 +342,7 @@ cpu_init_f (void) #endif #if defined(CONFIG_WATCHDOG) - val = mfspr(tcr); + val = mfspr(SPRN_TCR); #if defined(CONFIG_440EP) || defined(CONFIG_440GR) val |= 0xb8000000; /* generate system reset after 1.34 seconds */ #elif defined(CONFIG_440EPX) @@ -354,11 +354,11 @@ cpu_init_f (void) val &= ~0x30000000; /* clear WRC bits */ val |= CONFIG_SYS_4xx_RESET_TYPE << 28; /* set board specific WRC type */ #endif - mtspr(tcr, val); + mtspr(SPRN_TCR, val); - val = mfspr(tsr); + val = mfspr(SPRN_TSR); val |= 0x80000000; /* enable watchdog timer */ - mtspr(tsr, val); + mtspr(SPRN_TSR, val); reset_4xx_watchdog(); #endif /* CONFIG_WATCHDOG */ diff --git a/arch/powerpc/cpu/ppc4xx/interrupts.c b/arch/powerpc/cpu/ppc4xx/interrupts.c index c2d4973..d0bca92 100644 --- a/arch/powerpc/cpu/ppc4xx/interrupts.c +++ b/arch/powerpc/cpu/ppc4xx/interrupts.c @@ -67,13 +67,6 @@ static __inline__ void set_pit(unsigned long val) asm volatile("mtpit %0" : : "r" (val)); } - -static __inline__ void set_tcr(unsigned long val) -{ - asm volatile("mttcr %0" : : "r" (val)); -} - - static __inline__ void set_evpr(unsigned long val) { asm volatile("mtevpr %0" : : "r" (val)); diff --git a/arch/powerpc/cpu/ppc4xx/traps.c b/arch/powerpc/cpu/ppc4xx/traps.c index b5562ad..9baa7a1 100644 --- a/arch/powerpc/cpu/ppc4xx/traps.c +++ b/arch/powerpc/cpu/ppc4xx/traps.c @@ -46,15 +46,6 @@ extern unsigned long search_exception_table(unsigned long); */ #define END_OF_MEM (gd->bd->bi_memstart + gd->bd->bi_memsize) -static __inline__ void set_tsr(unsigned long val) -{ -#if defined(CONFIG_440) - asm volatile("mtspr 0x150, %0" : : "r" (val)); -#else - asm volatile("mttsr %0" : : "r" (val)); -#endif -} - static __inline__ unsigned long get_esr(void) { unsigned long val; @@ -364,7 +355,7 @@ DecrementerPITException(struct pt_regs *regs) /* * Reset PIT interrupt */ - set_tsr(0x08000000); + mtspr(SPRN_TSR, 0x08000000); /* * Call timer_interrupt routine in interrupts.c diff --git a/arch/powerpc/include/asm/fsl_ddr_sdram.h b/arch/powerpc/include/asm/fsl_ddr_sdram.h index d576eb8..17d4b31 100644 --- a/arch/powerpc/include/asm/fsl_ddr_sdram.h +++ b/arch/powerpc/include/asm/fsl_ddr_sdram.h @@ -213,4 +213,10 @@ typedef struct memctl_options_s { } memctl_options_t; extern phys_size_t fsl_ddr_sdram(void); + +typedef struct fixed_ddr_parm{ + int min_freq; + int max_freq; + fsl_ddr_cfg_regs_t *ddr_settings; +} fixed_ddr_parm_t; #endif diff --git a/arch/powerpc/include/asm/fsl_enet.h b/arch/powerpc/include/asm/fsl_enet.h new file mode 100644 index 0000000..4fb2857 --- /dev/null +++ b/arch/powerpc/include/asm/fsl_enet.h @@ -0,0 +1,33 @@ +/* + * Copyright 2010 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. + */ + +#ifndef __ASM_PPC_FSL_ENET_H +#define __ASM_PPC_FSL_ENET_H + +enum fsl_phy_enet_if { + MII, + RMII, + GMII, + RGMII, + RGMII_ID, + RGMII_RXID, + RGMII_TXID, + SGMII, + TBI, + RTBI, + XAUI, + FSL_ETH_IF_NONE, +}; + +int fdt_fixup_phy_connection(void *blob, int offset, enum fsl_phy_enet_if phyc); + +#endif /* __ASM_PPC_FSL_ENET_H */ |