diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c index a54cf5d..5f66511 100644 --- a/cpu/mpc85xx/cpu_init.c +++ b/cpu/mpc85xx/cpu_init.c @@ -291,6 +291,25 @@ int cpu_init_r(void) asm("msync;isync"); cache_ctl = l2cache->l2ctl; + +#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR) + if (cache_ctl & MPC85xx_L2CTL_L2E) { + /* Clear L2 SRAM memory-mapped base address */ + out_be32(&l2cache->l2srbar0, 0x0); + out_be32(&l2cache->l2srbar1, 0x0); + + /* set MBECCDIS=0, SBECCDIS=0 */ + clrbits_be32(&l2cache->l2errdis, + (MPC85xx_L2ERRDIS_MBECC | + MPC85xx_L2ERRDIS_SBECC)); + + /* set L2E=0, L2SRAM=0 */ + clrbits_be32(&l2cache->l2ctl, + (MPC85xx_L2CTL_L2E | + MPC85xx_L2CTL_L2SRAM_ENTIRE)); + } +#endif + l2siz_field = (cache_ctl >> 28) & 0x3; switch (l2siz_field) { diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S index eeee7a9..c9e91a9 100644 --- a/cpu/mpc85xx/start.S +++ b/cpu/mpc85xx/start.S @@ -57,10 +57,12 @@ GOT_ENTRY(_GOT2_TABLE_) GOT_ENTRY(_FIXUP_TABLE_) +#ifndef CONFIG_NAND_SPL GOT_ENTRY(_start) GOT_ENTRY(_start_of_vectors) GOT_ENTRY(_end_of_vectors) GOT_ENTRY(transfer_to_handler) +#endif GOT_ENTRY(__init_end) GOT_ENTRY(_end) @@ -239,10 +241,11 @@ _start_e500: #endif /* CONFIG_MPC8569 */ - /* create a temp mapping in AS=1 to the 4M boot window */ lis r6,FSL_BOOKE_MAS0(1, 15, 0)@h ori r6,r6,FSL_BOOKE_MAS0(1, 15, 0)@l +#ifndef CONFIG_SYS_RAMBOOT + /* create a temp mapping in AS=1 to the 4M boot window */ lis r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_4M)@h ori r7,r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_4M)@l @@ -252,6 +255,20 @@ _start_e500: /* The 85xx has the default boot window 0xff800000 - 0xffffffff */ lis r9,FSL_BOOKE_MAS3(0xffc00000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@h ori r9,r9,FSL_BOOKE_MAS3(0xffc00000, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@l +#else + /* + * create a temp mapping in AS=1 to the 1M TEXT_BASE space, the main + * image has been relocated to TEXT_BASE on the second stage. + */ + lis r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_1M)@h + ori r7,r7,FSL_BOOKE_MAS1(1, 1, 0, 1, BOOKE_PAGESZ_1M)@l + + lis r8,FSL_BOOKE_MAS2(TEXT_BASE, (MAS2_I|MAS2_G))@h + ori r8,r8,FSL_BOOKE_MAS2(TEXT_BASE, (MAS2_I|MAS2_G))@l + + lis r9,FSL_BOOKE_MAS3(TEXT_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@h + ori r9,r9,FSL_BOOKE_MAS3(TEXT_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))@l +#endif mtspr MAS0,r6 mtspr MAS1,r7 @@ -363,6 +380,7 @@ _start_cont: bl board_init_f isync +#ifndef CONFIG_NAND_SPL . = EXC_OFF_SYS_RESET .globl _start_of_vectors _start_of_vectors: @@ -817,6 +835,7 @@ in32: in32r: lwbrx r3,r0,r3 blr +#endif /* !CONFIG_NAND_SPL */ /*------------------------------------------------------------------------------*/ @@ -1001,6 +1020,7 @@ clear_bss: mr r4,r10 /* Destination Address */ bl board_init_r +#ifndef CONFIG_NAND_SPL /* * Copy exception vector code to low memory * @@ -1154,3 +1174,4 @@ setup_ivors: #include "fixed_ivor.S" blr +#endif /* !CONFIG_NAND_SPL */ diff --git a/cpu/mpc85xx/tlb.c b/cpu/mpc85xx/tlb.c index 44e80b1..6e94c23 100644 --- a/cpu/mpc85xx/tlb.c +++ b/cpu/mpc85xx/tlb.c @@ -55,6 +55,7 @@ void init_tlbs(void) return ; } +#ifndef CONFIG_NAND_SPL void set_tlb(u8 tlb, u32 epn, u64 rpn, u8 perms, u8 wimge, u8 ts, u8 esel, u8 tsize, u8 iprot) @@ -209,3 +210,4 @@ unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg) */ return memsize_in_meg; } +#endif /* !CONFIG_NAND_SPL */ diff --git a/cpu/mpc85xx/u-boot-nand.lds b/cpu/mpc85xx/u-boot-nand.lds new file mode 100644 index 0000000..a0fc8f1 --- /dev/null +++ b/cpu/mpc85xx/u-boot-nand.lds @@ -0,0 +1,138 @@ +/* + * Copyright 2009 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) +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +PHDRS +{ + text PT_LOAD; + bss PT_LOAD; +} + +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) + *(.fixup) + *(.got1) + } :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; + _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 = .; + + .bootpg ADDR(.text) - 0x1000 : + { + cpu/mpc85xx/start.o (.bootpg) + } :text = 0xffff + + . = ADDR(.text) + 0x80000; + + __bss_start = .; + .bss (NOLOAD) : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } :bss + + . = ALIGN(4); + _end = . ; + PROVIDE (end = .); +} diff --git a/drivers/misc/fsl_law.c b/drivers/misc/fsl_law.c index 7bdd355..aa877c6 100644 --- a/drivers/misc/fsl_law.c +++ b/drivers/misc/fsl_law.c @@ -74,6 +74,7 @@ int set_next_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id) return idx; } +#ifndef CONFIG_NAND_SPL int set_last_law(phys_addr_t addr, enum law_size sz, enum law_trgt_if id) { u32 idx; @@ -166,6 +167,7 @@ int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id) return 0; } +#endif void init_laws(void) {