diff options
Diffstat (limited to 'board/freescale/p1022ds')
| -rw-r--r-- | board/freescale/p1022ds/Makefile | 3 | ||||
| -rw-r--r-- | board/freescale/p1022ds/spl.c | 110 | ||||
| -rw-r--r-- | board/freescale/p1022ds/tlb.c | 23 |
3 files changed, 128 insertions, 8 deletions
diff --git a/board/freescale/p1022ds/Makefile b/board/freescale/p1022ds/Makefile index cfc05f7..3bc4f43 100644 --- a/board/freescale/p1022ds/Makefile +++ b/board/freescale/p1022ds/Makefile @@ -21,6 +21,9 @@ ifdef MINIMAL COBJS-y += spl_minimal.o tlb.o law.o else +ifdef CONFIG_SPL_BUILD +COBJS-y += spl.o +endif COBJS-y += $(BOARD).o COBJS-y += ddr.o COBJS-y += law.o diff --git a/board/freescale/p1022ds/spl.c b/board/freescale/p1022ds/spl.c new file mode 100644 index 0000000..71a0f85 --- /dev/null +++ b/board/freescale/p1022ds/spl.c @@ -0,0 +1,110 @@ +/* + * Copyright 2013 Freescale Semiconductor, Inc. + * + * 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 <ns16550.h> +#include <malloc.h> +#include <mmc.h> +#include <nand.h> +#include <i2c.h> +#include "../common/ngpixis.h" +#include <fsl_esdhc.h> + +DECLARE_GLOBAL_DATA_PTR; + +static const u32 sysclk_tbl[] = { + 66666000, 7499900, 83332500, 8999900, + 99999000, 11111000, 12499800, 13333200 +}; + +ulong get_effective_memsize(void) +{ + return CONFIG_SYS_L2_SIZE; +} + +void board_init_f(ulong bootflag) +{ + int px_spd; + u32 plat_ratio, sys_clk, bus_clk; + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + + console_init_f(); + + /* Set pmuxcr to allow both i2c1 and i2c2 */ + setbits_be32(&gur->pmuxcr, in_be32(&gur->pmuxcr) | 0x1000); + setbits_be32(&gur->pmuxcr, + in_be32(&gur->pmuxcr) | MPC85xx_PMUXCR_SD_DATA); + + /* Read back the register to synchronize the write. */ + in_be32(&gur->pmuxcr); + + /* initialize selected port with appropriate baud rate */ + px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD)); + sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK]; + plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; + bus_clk = sys_clk * plat_ratio / 2; + + NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, + bus_clk / 16 / CONFIG_BAUDRATE); +#ifdef CONFIG_SPL_MMC_BOOT + puts("\nSD boot...\n"); +#endif + + /* copy code to RAM and jump to it - this should not return */ + /* NOTE - code has to be copied out of NAND buffer before + * other blocks can be read. + */ + relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE); +} + +void board_init_r(gd_t *gd, ulong dest_addr) +{ + /* Pointer is writable since we allocated a register for it */ + gd = (gd_t *)CONFIG_SPL_GD_ADDR; + bd_t *bd; + + memset(gd, 0, sizeof(gd_t)); + bd = (bd_t *)(CONFIG_SPL_GD_ADDR + sizeof(gd_t)); + memset(bd, 0, sizeof(bd_t)); + gd->bd = bd; + bd->bi_memstart = CONFIG_SYS_INIT_L2_ADDR; + bd->bi_memsize = CONFIG_SYS_L2_SIZE; + + probecpu(); + get_clocks(); + mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, + CONFIG_SPL_RELOC_MALLOC_SIZE); + env_init(); +#ifdef CONFIG_SPL_MMC_BOOT + mmc_initialize(bd); +#endif + /* relocate environment function pointers etc. */ + env_relocate(); + + i2c_init(CONFIG_SYS_FSL_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + + gd->ram_size = initdram(0); + puts("Second program loader running in sram...\n"); + +#ifdef CONFIG_SPL_MMC_BOOT + mmc_boot(); +#endif +} diff --git a/board/freescale/p1022ds/tlb.c b/board/freescale/p1022ds/tlb.c index 2eef6ad..e7ae2e2 100644 --- a/board/freescale/p1022ds/tlb.c +++ b/board/freescale/p1022ds/tlb.c @@ -71,25 +71,32 @@ struct fsl_e_tlb_entry tlb_table[] = { MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 7, BOOKE_PAGESZ_4K, 1), -#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL) +#if defined(CONFIG_SYS_RAMBOOT) || \ + (defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR)) /* **** - eSDHC/eSPI/NAND boot */ SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE, - MAS3_SX|MAS3_SW|MAS3_SR, 0, - 0, 8, BOOKE_PAGESZ_1G, 1), + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 8, BOOKE_PAGESZ_1G, 1), /* **** - eSDHC/eSPI/NAND boot - second 1GB of memory */ SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000, - CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000, - MAS3_SX|MAS3_SW|MAS3_SR, 0, - 0, 9, BOOKE_PAGESZ_1G, 1), + CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 9, BOOKE_PAGESZ_1G, 1), #endif #ifdef CONFIG_SYS_NAND_BASE /* *I*G - NAND */ SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS, - MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, - 0, 10, BOOKE_PAGESZ_16K, 1), + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 10, BOOKE_PAGESZ_16K, 1), #endif +#ifdef CONFIG_SYS_INIT_L2_ADDR + /* *I*G - L2SRAM */ + SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G, + 0, 11, BOOKE_PAGESZ_256K, 1) +#endif }; int num_tlb_entries = ARRAY_SIZE(tlb_table); |