diff options
Diffstat (limited to 'board/freescale')
-rw-r--r-- | board/freescale/m5329evb/nand.c | 42 | ||||
-rw-r--r-- | board/freescale/mpc8313erdb/config.mk | 6 | ||||
-rw-r--r-- | board/freescale/mpc8313erdb/mpc8313erdb.c | 32 | ||||
-rw-r--r-- | board/freescale/mpc8313erdb/sdram.c | 5 | ||||
-rw-r--r-- | board/freescale/mpc8540ads/u-boot.lds | 16 | ||||
-rw-r--r-- | board/freescale/mpc8541cds/u-boot.lds | 16 | ||||
-rw-r--r-- | board/freescale/mpc8544ds/u-boot.lds | 16 | ||||
-rw-r--r-- | board/freescale/mpc8548cds/u-boot.lds | 16 | ||||
-rw-r--r-- | board/freescale/mpc8555cds/u-boot.lds | 16 | ||||
-rw-r--r-- | board/freescale/mpc8560ads/u-boot.lds | 16 | ||||
-rw-r--r-- | board/freescale/mpc8568mds/u-boot.lds | 16 | ||||
-rw-r--r-- | board/freescale/mx31ads/Makefile | 47 | ||||
-rw-r--r-- | board/freescale/mx31ads/config.mk | 1 | ||||
-rw-r--r-- | board/freescale/mx31ads/lowlevel_init.S | 281 | ||||
-rw-r--r-- | board/freescale/mx31ads/mx31ads.c | 106 | ||||
-rw-r--r-- | board/freescale/mx31ads/u-boot.lds | 70 |
16 files changed, 640 insertions, 62 deletions
diff --git a/board/freescale/m5329evb/nand.c b/board/freescale/m5329evb/nand.c index 344a614..f84912e 100644 --- a/board/freescale/m5329evb/nand.c +++ b/board/freescale/m5329evb/nand.c @@ -40,36 +40,26 @@ DECLARE_GLOBAL_DATA_PTR; #define SET_ALE 0x08 #define CLR_ALE ~SET_ALE -static void nand_hwcontrol(struct mtd_info *mtdinfo, int cmd) +static void nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) { struct nand_chip *this = mtdinfo->priv; - volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; +/* volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; TODO: handle wp */ u32 nand_baseaddr = (u32) this->IO_ADDR_W; - switch (cmd) { - case NAND_CTL_SETNCE: - case NAND_CTL_CLRNCE: - break; - case NAND_CTL_SETCLE: - nand_baseaddr |= SET_CLE; - break; - case NAND_CTL_CLRCLE: - nand_baseaddr &= CLR_CLE; - break; - case NAND_CTL_SETALE: - nand_baseaddr |= SET_ALE; - break; - case NAND_CTL_CLRALE: - nand_baseaddr |= CLR_ALE; - break; - case NAND_CTL_SETWP: - fbcs->csmr2 |= FBCS_CSMR_WP; - break; - case NAND_CTL_CLRWP: - fbcs->csmr2 &= ~FBCS_CSMR_WP; - break; + if (ctrl & NAND_CTRL_CHANGE) { + if ( ctrl & NAND_CLE ) + nand_baseaddr |= SET_CLE; + else + nand_baseaddr &= CLR_CLE; + if ( ctrl & NAND_ALE ) + nand_baseaddr |= SET_ALE; + else + nand_baseaddr &= CLR_ALE; } this->IO_ADDR_W = (void __iomem *)(nand_baseaddr); + + if (cmd != NAND_CMD_NONE) + writeb(cmd, this->IO_ADDR_W); } static void nand_write_byte(struct mtd_info *mtdinfo, u_char byte) @@ -103,8 +93,8 @@ int board_nand_init(struct nand_chip *nand) gpio->podr_timer = 0; nand->chip_delay = 50; - nand->eccmode = NAND_ECC_SOFT; - nand->hwcontrol = nand_hwcontrol; + nand->ecc.mode = NAND_ECC_SOFT; + nand->cmd_ctrl = nand_hwcontrol; nand->read_byte = nand_read_byte; nand->write_byte = nand_write_byte; nand->dev_ready = nand_dev_ready; diff --git a/board/freescale/mpc8313erdb/config.mk b/board/freescale/mpc8313erdb/config.mk index f768264..fd72a14 100644 --- a/board/freescale/mpc8313erdb/config.mk +++ b/board/freescale/mpc8313erdb/config.mk @@ -1 +1,7 @@ +ifndef NAND_SPL +sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp +endif + +ifndef TEXT_BASE TEXT_BASE = 0xFE000000 +endif diff --git a/board/freescale/mpc8313erdb/mpc8313erdb.c b/board/freescale/mpc8313erdb/mpc8313erdb.c index 7cbdb7b..ebb703d 100644 --- a/board/freescale/mpc8313erdb/mpc8313erdb.c +++ b/board/freescale/mpc8313erdb/mpc8313erdb.c @@ -29,6 +29,8 @@ #include <pci.h> #include <mpc83xx.h> #include <vsc7385.h> +#include <ns16550.h> +#include <nand.h> DECLARE_GLOBAL_DATA_PTR; @@ -50,6 +52,7 @@ int checkboard(void) return 0; } +#ifndef CONFIG_NAND_SPL static struct pci_region pci_regions[] = { { bus_start: CFG_PCI1_MEM_BASE, @@ -128,3 +131,32 @@ void ft_board_setup(void *blob, bd_t *bd) #endif } #endif +#else /* CONFIG_NAND_SPL */ +void board_init_f(ulong bootflag) +{ + board_early_init_f(); + NS16550_init((NS16550_t)(CFG_IMMR + 0x4500), + CFG_NS16550_CLK / 16 / CONFIG_BAUDRATE); + puts("NAND boot... "); + init_timebase(); + initdram(0); + relocate_code(CFG_NAND_U_BOOT_RELOC + 0x10000, (gd_t *)gd, + CFG_NAND_U_BOOT_RELOC); +} + +void board_init_r(gd_t *gd, ulong dest_addr) +{ + nand_boot(); +} + +void putc(char c) +{ + if (gd->flags & GD_FLG_SILENT) + return; + + if (c == '\n') + NS16550_putc((NS16550_t)(CFG_IMMR + 0x4500), '\r'); + + NS16550_putc((NS16550_t)(CFG_IMMR + 0x4500), c); +} +#endif diff --git a/board/freescale/mpc8313erdb/sdram.c b/board/freescale/mpc8313erdb/sdram.c index afd8b9d..3a6347f 100644 --- a/board/freescale/mpc8313erdb/sdram.c +++ b/board/freescale/mpc8313erdb/sdram.c @@ -58,8 +58,10 @@ static void resume_from_sleep(void) */ static long fixed_sdram(void) { - volatile immap_t *im = (volatile immap_t *)CFG_IMMR; u32 msize = CFG_DDR_SIZE * 1024 * 1024; + +#ifndef CFG_RAMBOOT + volatile immap_t *im = (volatile immap_t *)CFG_IMMR; u32 msize_log2 = __ilog2(msize); im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE >> 12; @@ -100,6 +102,7 @@ static long fixed_sdram(void) /* enable DDR controller */ im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; +#endif return msize; } diff --git a/board/freescale/mpc8540ads/u-boot.lds b/board/freescale/mpc8540ads/u-boot.lds index 0e4f5a2..515d320 100644 --- a/board/freescale/mpc8540ads/u-boot.lds +++ b/board/freescale/mpc8540ads/u-boot.lds @@ -26,6 +26,12 @@ 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: */ @@ -57,7 +63,7 @@ SECTIONS *(.text) *(.fixup) *(.got1) - } + } :text _etext = .; PROVIDE (etext = .); .rodata : @@ -66,7 +72,7 @@ SECTIONS *(.rodata1) *(.rodata.str1.4) *(.eh_frame) - } + } :text .fini : { *(.fini) } =0 .ctors : { *(.ctors) } .dtors : { *(.dtors) } @@ -118,12 +124,12 @@ SECTIONS .bootpg ADDR(.text) + 0x7f000 : { cpu/mpc85xx/start.o (.bootpg) - } = 0xffff + } :text = 0xffff .resetvec ADDR(.text) + 0x7fffc : { *(.resetvec) - } = 0xffff + } :text = 0xffff . = ADDR(.text) + 0x80000; @@ -134,7 +140,7 @@ SECTIONS *(.dynbss) *(.bss) *(COMMON) - } + } :bss . = ALIGN(4); _end = . ; diff --git a/board/freescale/mpc8541cds/u-boot.lds b/board/freescale/mpc8541cds/u-boot.lds index 1c583de..d728d8b 100644 --- a/board/freescale/mpc8541cds/u-boot.lds +++ b/board/freescale/mpc8541cds/u-boot.lds @@ -23,6 +23,12 @@ 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: */ @@ -54,7 +60,7 @@ SECTIONS *(.text) *(.fixup) *(.got1) - } + } :text _etext = .; PROVIDE (etext = .); .rodata : @@ -63,7 +69,7 @@ SECTIONS *(.rodata1) *(.rodata.str1.4) *(.eh_frame) - } + } :text .fini : { *(.fini) } =0 .ctors : { *(.ctors) } .dtors : { *(.dtors) } @@ -115,12 +121,12 @@ SECTIONS .bootpg ADDR(.text) + 0x7f000 : { cpu/mpc85xx/start.o (.bootpg) - } = 0xffff + } :text = 0xffff .resetvec ADDR(.text) + 0x7fffc : { *(.resetvec) - } = 0xffff + } :text = 0xffff . = ADDR(.text) + 0x80000; @@ -131,7 +137,7 @@ SECTIONS *(.dynbss) *(.bss) *(COMMON) - } + } :bss . = ALIGN(4); _end = . ; diff --git a/board/freescale/mpc8544ds/u-boot.lds b/board/freescale/mpc8544ds/u-boot.lds index 500e647..a05ece5 100644 --- a/board/freescale/mpc8544ds/u-boot.lds +++ b/board/freescale/mpc8544ds/u-boot.lds @@ -23,6 +23,12 @@ 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: */ @@ -54,7 +60,7 @@ SECTIONS *(.text) *(.fixup) *(.got1) - } + } :text _etext = .; PROVIDE (etext = .); .rodata : @@ -63,7 +69,7 @@ SECTIONS *(.rodata1) *(.rodata.str1.4) *(.eh_frame) - } + } :text .fini : { *(.fini) } =0 .ctors : { *(.ctors) } .dtors : { *(.dtors) } @@ -115,12 +121,12 @@ SECTIONS .bootpg ADDR(.text) + 0x7f000 : { cpu/mpc85xx/start.o (.bootpg) - } = 0xffff + } :text = 0xffff .resetvec ADDR(.text) + 0x7fffc : { *(.resetvec) - } = 0xffff + } :text = 0xffff . = ADDR(.text) + 0x80000; @@ -131,7 +137,7 @@ SECTIONS *(.dynbss) *(.bss) *(COMMON) - } + } :bss . = ALIGN(4); _end = . ; diff --git a/board/freescale/mpc8548cds/u-boot.lds b/board/freescale/mpc8548cds/u-boot.lds index 6b93395..d4a2f72 100644 --- a/board/freescale/mpc8548cds/u-boot.lds +++ b/board/freescale/mpc8548cds/u-boot.lds @@ -23,6 +23,12 @@ 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: */ @@ -54,7 +60,7 @@ SECTIONS *(.text) *(.fixup) *(.got1) - } + } :text _etext = .; PROVIDE (etext = .); .rodata : @@ -63,7 +69,7 @@ SECTIONS *(.rodata1) *(.rodata.str1.4) *(.eh_frame) - } + } :text .fini : { *(.fini) } =0 .ctors : { *(.ctors) } .dtors : { *(.dtors) } @@ -115,12 +121,12 @@ SECTIONS .bootpg ADDR(.text) + 0x7f000 : { cpu/mpc85xx/start.o (.bootpg) - } = 0xffff + } :text = 0xffff .resetvec ADDR(.text) + 0x7fffc : { *(.resetvec) - } = 0xffff + } :text = 0xffff . = ADDR(.text) + 0x80000; @@ -131,7 +137,7 @@ SECTIONS *(.dynbss) *(.bss) *(COMMON) - } + } :bss . = ALIGN(4); _end = . ; diff --git a/board/freescale/mpc8555cds/u-boot.lds b/board/freescale/mpc8555cds/u-boot.lds index a18b3a7..11885e8 100644 --- a/board/freescale/mpc8555cds/u-boot.lds +++ b/board/freescale/mpc8555cds/u-boot.lds @@ -23,6 +23,12 @@ 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: */ @@ -54,7 +60,7 @@ SECTIONS *(.text) *(.fixup) *(.got1) - } + } :text _etext = .; PROVIDE (etext = .); .rodata : @@ -63,7 +69,7 @@ SECTIONS *(.rodata1) *(.rodata.str1.4) *(.eh_frame) - } + } :text .fini : { *(.fini) } =0 .ctors : { *(.ctors) } .dtors : { *(.dtors) } @@ -115,12 +121,12 @@ SECTIONS .bootpg ADDR(.text) + 0x7f000 : { cpu/mpc85xx/start.o (.bootpg) - } = 0xffff + } :text = 0xffff .resetvec ADDR(.text) + 0x7fffc : { *(.resetvec) - } = 0xffff + } :text = 0xffff . = ADDR(.text) + 0x80000; @@ -131,7 +137,7 @@ SECTIONS *(.dynbss) *(.bss) *(COMMON) - } + } :bss . = ALIGN(4); _end = . ; diff --git a/board/freescale/mpc8560ads/u-boot.lds b/board/freescale/mpc8560ads/u-boot.lds index 0e4f5a2..515d320 100644 --- a/board/freescale/mpc8560ads/u-boot.lds +++ b/board/freescale/mpc8560ads/u-boot.lds @@ -26,6 +26,12 @@ 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: */ @@ -57,7 +63,7 @@ SECTIONS *(.text) *(.fixup) *(.got1) - } + } :text _etext = .; PROVIDE (etext = .); .rodata : @@ -66,7 +72,7 @@ SECTIONS *(.rodata1) *(.rodata.str1.4) *(.eh_frame) - } + } :text .fini : { *(.fini) } =0 .ctors : { *(.ctors) } .dtors : { *(.dtors) } @@ -118,12 +124,12 @@ SECTIONS .bootpg ADDR(.text) + 0x7f000 : { cpu/mpc85xx/start.o (.bootpg) - } = 0xffff + } :text = 0xffff .resetvec ADDR(.text) + 0x7fffc : { *(.resetvec) - } = 0xffff + } :text = 0xffff . = ADDR(.text) + 0x80000; @@ -134,7 +140,7 @@ SECTIONS *(.dynbss) *(.bss) *(COMMON) - } + } :bss . = ALIGN(4); _end = . ; diff --git a/board/freescale/mpc8568mds/u-boot.lds b/board/freescale/mpc8568mds/u-boot.lds index 9d245e4..ad96410 100644 --- a/board/freescale/mpc8568mds/u-boot.lds +++ b/board/freescale/mpc8568mds/u-boot.lds @@ -23,6 +23,12 @@ 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: */ @@ -54,7 +60,7 @@ SECTIONS *(.text) *(.fixup) *(.got1) - } + } :text _etext = .; PROVIDE (etext = .); .rodata : @@ -63,7 +69,7 @@ SECTIONS *(.rodata1) *(.rodata.str1.4) *(.eh_frame) - } + } :text .fini : { *(.fini) } =0 .ctors : { *(.ctors) } .dtors : { *(.dtors) } @@ -115,12 +121,12 @@ SECTIONS .bootpg ADDR(.text) + 0x7f000 : { cpu/mpc85xx/start.o (.bootpg) - } = 0xffff + } :text = 0xffff .resetvec ADDR(.text) + 0x7fffc : { *(.resetvec) - } = 0xffff + } :text = 0xffff . = ADDR(.text) + 0x80000; @@ -131,7 +137,7 @@ SECTIONS *(.dynbss) *(.bss) *(COMMON) - } + } :bss . = ALIGN(4); _end = . ; diff --git a/board/freescale/mx31ads/Makefile b/board/freescale/mx31ads/Makefile new file mode 100644 index 0000000..a12f391 --- /dev/null +++ b/board/freescale/mx31ads/Makefile @@ -0,0 +1,47 @@ +# +# Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de> +# +# 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 := mx31ads.o +SOBJS := lowlevel_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) $(SOBJS) + +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/freescale/mx31ads/config.mk b/board/freescale/mx31ads/config.mk new file mode 100644 index 0000000..d34dc02 --- /dev/null +++ b/board/freescale/mx31ads/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x87f00000 diff --git a/board/freescale/mx31ads/lowlevel_init.S b/board/freescale/mx31ads/lowlevel_init.S new file mode 100644 index 0000000..e166058 --- /dev/null +++ b/board/freescale/mx31ads/lowlevel_init.S @@ -0,0 +1,281 @@ +/* + * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de> + * + * 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 <asm/arch/mx31-regs.h> + +.macro REG reg, val + ldr r2, =\reg + ldr r3, =\val + str r3, [r2] +.endm + +.macro REG8 reg, val + ldr r2, =\reg + ldr r3, =\val + strb r3, [r2] +.endm + +.macro DELAY loops + ldr r2, =\loops +1: + subs r2, r2, #1 + nop + bcs 1b +.endm + +/* RedBoot: AIPS setup - Only setup MPROTx registers. + * The PACR default values are good.*/ +.macro init_aips + /* + * Set all MPROTx to be non-bufferable, trusted for R/W, + * not forced to user-mode. + */ + ldr r0, =0x43F00000 + ldr r1, =0x77777777 + str r1, [r0, #0x00] + str r1, [r0, #0x04] + ldr r0, =0x53F00000 + str r1, [r0, #0x00] + str r1, [r0, #0x04] + + /* + * Clear the on and off peripheral modules Supervisor Protect bit + * for SDMA to access them. Did not change the AIPS control registers + * (offset 0x20) access type + */ + ldr r0, =0x43F00000 + ldr r1, =0x0 + str r1, [r0, #0x40] + str r1, [r0, #0x44] + str r1, [r0, #0x48] + str r1, [r0, #0x4C] + ldr r1, [r0, #0x50] + and r1, r1, #0x00FFFFFF + str r1, [r0, #0x50] + + ldr r0, =0x53F00000 + ldr r1, =0x0 + str r1, [r0, #0x40] + str r1, [r0, #0x44] + str r1, [r0, #0x48] + str r1, [r0, #0x4C] + ldr r1, [r0, #0x50] + and r1, r1, #0x00FFFFFF + str r1, [r0, #0x50] +.endm /* init_aips */ + +/* RedBoot: MAX (Multi-Layer AHB Crossbar Switch) setup */ +.macro init_max + ldr r0, =0x43F04000 + /* MPR - priority is M4 > M2 > M3 > M5 > M0 > M1 */ + ldr r1, =0x00302154 + str r1, [r0, #0x000] /* for S0 */ + str r1, [r0, #0x100] /* for S1 */ + str r1, [r0, #0x200] /* for S2 */ + str r1, [r0, #0x300] /* for S3 */ + str r1, [r0, #0x400] /* for S4 */ + /* SGPCR - always park on last master */ + ldr r1, =0x10 + str r1, [r0, #0x010] /* for S0 */ + str r1, [r0, #0x110] /* for S1 */ + str r1, [r0, #0x210] /* for S2 */ + str r1, [r0, #0x310] /* for S3 */ + str r1, [r0, #0x410] /* for S4 */ + /* MGPCR - restore default values */ + ldr r1, =0x0 + str r1, [r0, #0x800] /* for M0 */ + str r1, [r0, #0x900] /* for M1 */ + str r1, [r0, #0xA00] /* for M2 */ + str r1, [r0, #0xB00] /* for M3 */ + str r1, [r0, #0xC00] /* for M4 */ + str r1, [r0, #0xD00] /* for M5 */ +.endm /* init_max */ + +/* RedBoot: M3IF setup */ +.macro init_m3if + /* Configure M3IF registers */ + ldr r1, =0xB8003000 + /* + * M3IF Control Register (M3IFCTL) + * MRRP[0] = L2CC0 not on priority list (0 << 0) = 0x00000000 + * MRRP[1] = L2CC1 not on priority list (0 << 0) = 0x00000000 + * MRRP[2] = MBX not on priority list (0 << 0) = 0x00000000 + * MRRP[3] = MAX1 not on priority list (0 << 0) = 0x00000000 + * MRRP[4] = SDMA not on priority list (0 << 0) = 0x00000000 + * MRRP[5] = MPEG4 not on priority list (0 << 0) = 0x00000000 + * MRRP[6] = IPU1 on priority list (1 << 6) = 0x00000040 + * MRRP[7] = IPU2 not on priority list (0 << 0) = 0x00000000 + * ------------ + * 0x00000040 + */ + ldr r0, =0x00000040 + str r0, [r1] /* M3IF control reg */ +.endm /* init_m3if */ + +/* RedBoot: To support 133MHz DDR */ +.macro init_drive_strength + /* + * Disable maximum drive strength SDRAM/DDR lines by clearing DSE1 bits + * in SW_PAD_CTL registers + */ + + /* SDCLK */ + ldr r1, =0x43FAC200 + ldr r0, [r1, #0x6C] + bic r0, r0, #(1 << 12) + str r0, [r1, #0x6C] + + /* CAS */ + ldr r0, [r1, #0x70] + bic r0, r0, #(1 << 22) + str r0, [r1, #0x70] + + /* RAS */ + ldr r0, [r1, #0x74] + bic r0, r0, #(1 << 2) + str r0, [r1, #0x74] + + /* CS2 (CSD0) */ + ldr r0, [r1, #0x7C] + bic r0, r0, #(1 << 22) + str r0, [r1, #0x7C] + + /* DQM3 */ + ldr r0, [r1, #0x84] + bic r0, r0, #(1 << 22) + str r0, [r1, #0x84] + + /* DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 (0x288..0x2DC) */ + ldr r2, =22 /* (0x2E0 - 0x288) / 4 = 22 */ +pad_loop: + ldr r0, [r1, #0x88] + bic r0, r0, #(1 << 22) + bic r0, r0, #(1 << 12) + bic r0, r0, #(1 << 2) + str r0, [r1, #0x88] + add r1, r1, #4 + subs r2, r2, #0x1 + bne pad_loop +.endm /* init_drive_strength */ + +/* CPLD on CS4 setup */ +.macro init_cs4 + ldr r0, =WEIM_BASE + ldr r1, =0x0000D843 + str r1, [r0, #0x40] + ldr r1, =0x22252521 + str r1, [r0, #0x44] + ldr r1, =0x22220A00 + str r1, [r0, #0x48] +.endm /* init_cs4 */ + +.globl lowlevel_init +lowlevel_init: + + /* Redboot initializes very early AIPS, what for? + * Then it also initializes Multi-Layer AHB Crossbar Switch, + * M3IF */ + /* Also setup the Peripheral Port Remap register inside the core */ + ldr r0, =0x40000015 /* start from AIPS 2GB region */ + mcr p15, 0, r0, c15, c2, 4 + + init_aips + + init_max + + init_m3if + + init_drive_strength + + init_cs4 + + /* Image Processing Unit: */ + /* Too early to switch display on? */ + REG IPU_CONF, IPU_CONF_DI_EN /* Switch on Display Interface */ + /* Clock Control Module: */ + REG CCM_CCMR, 0x074B0BF5 /* Use CKIH, MCU PLL off */ + + DELAY 0x40000 + + REG CCM_CCMR, 0x074B0BF5 | CCMR_MPE /* MCU PLL on */ + REG CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS /* Switch to MCU PLL */ + + /* PBC CPLD on CS4 */ + mov r1, #CS4_BASE + ldrh r1, [r1, #0x2] + /* Is 27MHz switch set? */ + ands r1, r1, #0x10 + + /* 532-133-66.5 */ + ldr r0, =CCM_BASE + ldr r1, =0xFF871D58 + /* PDR0 */ + str r1, [r0, #0x4] + ldreq r1, MPCTL_PARAM_532 + ldrne r1, MPCTL_PARAM_532_27 + /* MPCTL */ + str r1, [r0, #0x10] + + /* Set UPLL=240MHz, USB=60MHz */ + ldr r1, =0x49FCFE7F + /* PDR1 */ + str r1, [r0, #0x8] + ldreq r1, UPCTL_PARAM_240 + ldrne r1, UPCTL_PARAM_240_27 + /* UPCTL */ + str r1, [r0, #0x14] + /* default CLKO to 1/8 of the ARM core */ + mov r1, #0x000002C0 + add r1, r1, #0x00000006 + /* COSR */ + str r1, [r0, #0x1c] + + /* RedBoot sets 0x1ff, 7, 3, 5, 1, 3, 0 */ +/* REG CCM_PDR0, PDR0_CSI_PODF(0x1ff) | PDR0_PER_PODF(7) | PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) | PDR0_IPG_PODF(1) | PDR0_MAX_PODF(2) | PDR0_MCU_PODF(0)*/ + + /* Redboot: 0, 51, 10, 12 / 0, 14, 9, 13 */ +/* REG CCM_MPCTL, PLL_PD(0) | PLL_MFD(0x33) | PLL_MFI(7) | PLL_MFN(0x23)*/ + /* Default: 1, 4, 12, 1 */ + REG CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1) + + /* B8xxxxxx - NAND, 8xxxxxxx - CSD0 RAM */ + REG 0xB8001010, 0x00000004 + REG 0xB8001004, 0x006ac73a + REG 0xB8001000, 0x92100000 + REG 0x80000f00, 0x12344321 + REG 0xB8001000, 0xa2100000 + REG 0x80000000, 0x12344321 + REG 0x80000000, 0x12344321 + REG 0xB8001000, 0xb2100000 + REG8 0x80000033, 0xda + REG8 0x81000000, 0xff + REG 0xB8001000, 0x82226080 + REG 0x80000000, 0xDEADBEEF + REG 0xB8001010, 0x0000000c + + mov pc, lr + +MPCTL_PARAM_532: + .word (((1-1) << 26) + ((52-1) << 16) + (10 << 10) + (12 << 0)) +MPCTL_PARAM_532_27: + .word (((1-1) << 26) + ((15-1) << 16) + (9 << 10) + (13 << 0)) +UPCTL_PARAM_240: + .word (((2-1) << 26) + ((13-1) << 16) + (9 << 10) + (3 << 0)) +UPCTL_PARAM_240_27: + .word (((2-1) << 26) + ((9 -1) << 16) + (8 << 10) + (8 << 0)) diff --git a/board/freescale/mx31ads/mx31ads.c b/board/freescale/mx31ads/mx31ads.c new file mode 100644 index 0000000..c24c47c --- /dev/null +++ b/board/freescale/mx31ads/mx31ads.c @@ -0,0 +1,106 @@ +/* + * Copyright (C) 2008, Guennadi Liakhovetski <lg@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 <common.h> +#include <asm/io.h> +#include <asm/arch/mx31.h> +#include <asm/arch/mx31-regs.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init (void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} + +int board_init (void) +{ + int i; + + /* CS0: Nor Flash */ + /* + * CS0L and CS0A values are from the RedBoot sources by Freescale + * and are also equal to those used by Sascha Hauer for the Phytec + * i.MX31 board. CS0U is just a slightly optimized hardware default: + * the only non-zero field "Wait State Control" is set to half the + * default value. + */ + __REG(CSCR_U(0)) = 0x00000f00; + __REG(CSCR_L(0)) = 0x10000D03; + __REG(CSCR_A(0)) = 0x00720900; + + /* setup pins for UART1 */ + mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); + mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX); + mx31_gpio_mux(MUX_RTS1__UART1_RTS_B); + mx31_gpio_mux(MUX_CTS1__UART1_CTS_B); + + /* SPI2 */ + mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B); + mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK); + mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B); + mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI); + mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO); + mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B); + mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B); + + /* start SPI2 clock */ + __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4); + + /* PBC setup */ + /* Enable UART transceivers also reset the Ethernet/external UART */ + readw(CS4_BASE + 4); + + writew(0x8023, CS4_BASE + 4); + + /* RedBoot also has an empty loop with 100000 iterations here - + * clock doesn't run yet */ + for (i = 0; i < 100000; i++) + ; + + /* Clear the reset, toggle the LEDs */ + writew(0xDF, CS4_BASE + 6); + + /* clock still doesn't run */ + for (i = 0; i < 100000; i++) + ; + + /* See 1.5.4 in IMX31ADSE_PERI_BUS_CNTRL_CPLD_RM.pdf */ + readb(CS4_BASE + 8); + readb(CS4_BASE + 7); + readb(CS4_BASE + 8); + readb(CS4_BASE + 7); + + gd->bd->bi_arch_number = MACH_TYPE_MX31ADS; /* board id for linux */ + gd->bd->bi_boot_params = 0x80000100; /* adress of boot parameters */ + + return 0; +} + +int checkboard (void) +{ + printf("Board: MX31ADS\n"); + return 0; +} diff --git a/board/freescale/mx31ads/u-boot.lds b/board/freescale/mx31ads/u-boot.lds new file mode 100644 index 0000000..c379460 --- /dev/null +++ b/board/freescale/mx31ads/u-boot.lds @@ -0,0 +1,70 @@ +/* + * January 2004 - Changed to support H4 device + * Copyright (c) 2004 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/arm1136/start.o (.text) + board/freescale/mx31ads/libmx31ads.a (.text) + lib_arm/libarm.a (.text) + net/libnet.a (.text) + drivers/mtd/libmtd.a (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/environment.o(.text) + + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} |