diff options
Diffstat (limited to 'board/amcc')
| -rw-r--r-- | board/amcc/canyonlands/Makefile | 2 | ||||
| -rw-r--r-- | board/amcc/canyonlands/bootstrap.c | 23 | ||||
| -rw-r--r-- | board/amcc/canyonlands/canyonlands.c | 27 | ||||
| -rw-r--r-- | board/amcc/canyonlands/init.S | 7 | ||||
| -rw-r--r-- | board/amcc/canyonlands/u-boot-nand.lds | 137 |
5 files changed, 179 insertions, 17 deletions
diff --git a/board/amcc/canyonlands/Makefile b/board/amcc/canyonlands/Makefile index 02281ae..7a2eaa5 100644 --- a/board/amcc/canyonlands/Makefile +++ b/board/amcc/canyonlands/Makefile @@ -34,7 +34,7 @@ OBJS := $(addprefix $(obj),$(COBJS)) SOBJS := $(addprefix $(obj),$(SOBJS)) $(LIB): $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) clean: rm -f $(SOBJS) $(OBJS) diff --git a/board/amcc/canyonlands/bootstrap.c b/board/amcc/canyonlands/bootstrap.c index 3f5822e..37fa1c9 100644 --- a/board/amcc/canyonlands/bootstrap.c +++ b/board/amcc/canyonlands/bootstrap.c @@ -28,7 +28,7 @@ #include <asm/io.h> /* - * NOR and NAND boot options change bytes 6, 7, 8, 9, 11. The + * NOR and NAND boot options change bytes 5, 6, 8, 9, 11. The * values are independent of the rest of the clock settings. */ @@ -45,14 +45,14 @@ static char *config_labels[] = { static u8 boot_configs[][17] = { { - (NOR_COMPATIBLE), + (NAND_COMPATIBLE | NOR_COMPATIBLE), 0x86, 0x80, 0xce, 0x1f, 0x79, 0x80, 0x00, 0xa0, 0x40, 0x08, - 0x23, 0x50, 0x0d, 0x95, 0x00, 0x00 + 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 }, { - (NOR_COMPATIBLE), + (NAND_COMPATIBLE | NOR_COMPATIBLE), 0x86, 0x80, 0xba, 0x14, 0x99, 0x80, 0x00, 0xa0, 0x40, 0x08, - 0x23, 0x50, 0x0d, 0x95, 0x00, 0x00 + 0x23, 0x50, 0x0d, 0x05, 0x00, 0x00 }, { 0, @@ -61,10 +61,10 @@ static u8 boot_configs[][17] = { }; /* - * Bytes 6,8,9,11 change for NAND boot + * Bytes 5,6,8,9,11 change for NAND boot */ static u8 nand_boot[] = { - 0xd0, 0xa0, 0x68, 0x58 + 0x90, 0x01, 0xa0, 0x68, 0x58 }; static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) @@ -146,10 +146,11 @@ static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) buf = &boot_configs[x][1]; if (b_nand) { - buf[6] = nand_boot[0]; - buf[8] = nand_boot[1]; - buf[9] = nand_boot[2]; - buf[11] = nand_boot[3]; + buf[5] = nand_boot[0]; + buf[6] = nand_boot[1]; + buf[8] = nand_boot[2]; + buf[9] = nand_boot[3]; + buf[11] = nand_boot[4]; } if (i2c_write(I2C_EEPROM_ADDR, 0, 1, buf, 16) != 0) diff --git a/board/amcc/canyonlands/canyonlands.c b/board/amcc/canyonlands/canyonlands.c index 8292d2d..3551429 100644 --- a/board/amcc/canyonlands/canyonlands.c +++ b/board/amcc/canyonlands/canyonlands.c @@ -134,6 +134,18 @@ u32 ddr_clktr(u32 default_val) { return (SDRAM_CLKTR_CLKP_90_DEG_ADV); } +#if defined(CONFIG_NAND_U_BOOT) +/* + * NAND booting U-Boot version uses a fixed initialization, since the whole + * I2C SPD DIMM autodetection/calibration doesn't fit into the 4k of boot + * code. + */ +long int initdram(int board_type) +{ + return CFG_MBYTES_SDRAM << 20; +} +#endif + #if defined(CFG_DRAM_TEST) int testdram(void) { @@ -308,14 +320,14 @@ int board_early_init_r (void) * EBC address which accepts bigger regions: * * 0xfc00.0000 -> 4.cc00.0000 - * - * For this we have to remap the CS0 and re-relocate the envrironment, - * since the original FLASH location which was needed upon startup is - * now not correct anymore. */ /* Remap the NOR FLASH to 0xcc00.0000 ... 0xcfff.ffff */ +#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) + mtebc(pb3cr, CFG_FLASH_BASE_PHYS_L | 0xda000); +#else mtebc(pb0cr, CFG_FLASH_BASE_PHYS_L | 0xda000); +#endif /* Remove TLB entry of boot EBC mapping */ remove_tlb(CFG_BOOT_BASE_ADDR, 16 << 20); @@ -329,6 +341,13 @@ int board_early_init_r (void) * 0xfc00.0000 is possible */ + /* + * Clear potential errors resulting from auto-calibration. + * If not done, then we could get an interrupt later on when + * exceptions are enabled. + */ + set_mcsr(get_mcsr()); + return 0; } diff --git a/board/amcc/canyonlands/init.S b/board/amcc/canyonlands/init.S index 5d48847..b7cac23 100644 --- a/board/amcc/canyonlands/init.S +++ b/board/amcc/canyonlands/init.S @@ -46,7 +46,12 @@ tlbtab: * use the speed up boot process. It is patched after relocation to * enable SA_I */ +#ifndef CONFIG_NAND_SPL tlbentry(CFG_BOOT_BASE_ADDR, SZ_16M, CFG_BOOT_BASE_ADDR, 4, AC_R|AC_W|AC_X|SA_G) /* TLB 0 */ +#else + tlbentry(CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 4, AC_R|AC_W|AC_X|SA_G) + tlbentry(CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I) +#endif /* * TLB entries for SDRAM are not needed on this platform. @@ -78,7 +83,7 @@ tlbtab: tlbentry(CFG_BCSR_BASE, SZ_1K, CFG_BCSR_BASE, 4, AC_R|AC_W|SA_G|SA_I) /* TLB-entry for OCM */ - tlbentry(CFG_OCM_BASE, SZ_4K, 0x00040000, 4, AC_R|AC_W|AC_X) + tlbentry(CFG_OCM_BASE, SZ_16K, 0x00040000, 4, AC_R|AC_W|AC_X|SA_I) /* TLB-entry for Local Configuration registers => peripherals */ tlbentry(CFG_LOCAL_CONF_REGS, SZ_16M, CFG_LOCAL_CONF_REGS, 4, AC_R|AC_W|AC_X|SA_G|SA_I) diff --git a/board/amcc/canyonlands/u-boot-nand.lds b/board/amcc/canyonlands/u-boot-nand.lds new file mode 100644 index 0000000..12a5dcf --- /dev/null +++ b/board/amcc/canyonlands/u-boot-nand.lds @@ -0,0 +1,137 @@ +/* + * (C) Copyright 2008 + * Stefan Roese, DENX Software Engineering, sr@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) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +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 : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/ppc4xx/start.o (.text) + + /* Align to next NAND block */ + . = ALIGN(0x4000); + common/environment.o (.ppcenv) + /* Keep some space here for redundant env and potential bad env blocks */ + . = ALIGN(0x10000); + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .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) + } + + _end = . ; + PROVIDE (end = .); +} |