diff options
Diffstat (limited to 'board/freescale')
| -rw-r--r-- | board/freescale/p1010rdb/Makefile | 4 | ||||
| -rw-r--r-- | board/freescale/p1010rdb/spl.c | 108 | ||||
| -rw-r--r-- | board/freescale/p1010rdb/spl_minimal.c | 76 | ||||
| -rw-r--r-- | board/freescale/p1010rdb/tlb.c | 12 |
4 files changed, 128 insertions, 72 deletions
diff --git a/board/freescale/p1010rdb/Makefile b/board/freescale/p1010rdb/Makefile index d6f05f3..660d1bb 100644 --- a/board/freescale/p1010rdb/Makefile +++ b/board/freescale/p1010rdb/Makefile @@ -18,6 +18,10 @@ obj-y += spl_minimal.o tlb.o law.o else +ifdef CONFIG_SPL_BUILD +obj-y += spl.o +endif + obj-y += p1010rdb.o obj-y += ddr.o obj-y += law.o diff --git a/board/freescale/p1010rdb/spl.c b/board/freescale/p1010rdb/spl.c new file mode 100644 index 0000000..8fed26d --- /dev/null +++ b/board/freescale/p1010rdb/spl.c @@ -0,0 +1,108 @@ +/* Copyright 2013 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <ns16550.h> +#include <malloc.h> +#include <mmc.h> +#include <nand.h> +#include <i2c.h> +#include <fsl_esdhc.h> +#include <spi_flash.h> + +DECLARE_GLOBAL_DATA_PTR; + +ulong get_effective_memsize(void) +{ + return CONFIG_SYS_L2_SIZE; +} + +void board_init_f(ulong bootflag) +{ + u32 plat_ratio; + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + struct fsl_ifc *ifc = (void *)CONFIG_SYS_IFC_ADDR; + + console_init_f(); + + /* Clock configuration to access CPLD using IFC(GPCM) */ + setbits_be32(&ifc->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT); + +#ifdef CONFIG_P1010RDB_PB + setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_GPIO01_DRVVBUS); +#endif + + /* initialize selected port with appropriate baud rate */ + plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; + plat_ratio >>= 1; + gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio; + + NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1, + gd->bus_clk / 16 / CONFIG_BAUDRATE); + +#ifdef CONFIG_SPL_MMC_BOOT + puts("\nSD boot...\n"); +#elif defined(CONFIG_SPL_SPI_BOOT) + puts("\nSPI Flash 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); + +#ifndef CONFIG_SPL_NAND_BOOT + env_init(); +#endif +#ifdef CONFIG_SPL_MMC_BOOT + mmc_initialize(bd); +#endif + + /* relocate environment function pointers etc. */ +#ifdef CONFIG_SPL_NAND_BOOT + nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, + (uchar *)CONFIG_ENV_ADDR); + gd->env_addr = (ulong)(CONFIG_ENV_ADDR); + gd->env_valid = 1; +#else + env_relocate(); +#endif + + i2c_init_all(); + + gd->ram_size = initdram(0); +#ifdef CONFIG_SPL_NAND_BOOT + puts("\nTertiary program loader running in sram..."); +#else + puts("\nSecond program loader running in sram..."); +#endif + +#ifdef CONFIG_SPL_MMC_BOOT + mmc_boot(); +#elif defined(CONFIG_SPL_SPI_BOOT) + spi_boot(); +#elif defined(CONFIG_SPL_NAND_BOOT) + nand_boot(); +#endif +} diff --git a/board/freescale/p1010rdb/spl_minimal.c b/board/freescale/p1010rdb/spl_minimal.c index 39a5a0f..6079570 100644 --- a/board/freescale/p1010rdb/spl_minimal.c +++ b/board/freescale/p1010rdb/spl_minimal.c @@ -16,78 +16,16 @@ DECLARE_GLOBAL_DATA_PTR; - -void sdram_init(void) -{ - struct ccsr_ddr __iomem *ddr = - (struct ccsr_ddr __iomem *)CONFIG_SYS_FSL_DDR_ADDR; - ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; - u32 ddr_ratio; - unsigned long ddr_freq_mhz; - - ddr_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO; - ddr_ratio = ddr_ratio >> MPC85xx_PORPLLSR_DDR_RATIO_SHIFT; - ddr_freq_mhz = (CONFIG_SYS_CLK_FREQ * ddr_ratio) / 1000000; - - /* mask off E bit */ - u32 svr = SVR_SOC_VER(mfspr(SPRN_SVR)); - - __raw_writel(CONFIG_SYS_DDR_CONTROL | SDRAM_CFG_32_BE, &ddr->sdram_cfg); - __raw_writel(CONFIG_SYS_DDR_CS0_BNDS, &ddr->cs0_bnds); - __raw_writel(CONFIG_SYS_DDR_CS0_CONFIG, &ddr->cs0_config); - __raw_writel(CONFIG_SYS_DDR_CONTROL_2, &ddr->sdram_cfg_2); - __raw_writel(CONFIG_SYS_DDR_DATA_INIT, &ddr->sdram_data_init); - - if (ddr_freq_mhz < 700) { - __raw_writel(CONFIG_SYS_DDR_TIMING_3_667, &ddr->timing_cfg_3); - __raw_writel(CONFIG_SYS_DDR_TIMING_0_667, &ddr->timing_cfg_0); - __raw_writel(CONFIG_SYS_DDR_TIMING_1_667, &ddr->timing_cfg_1); - __raw_writel(CONFIG_SYS_DDR_TIMING_2_667, &ddr->timing_cfg_2); - __raw_writel(CONFIG_SYS_DDR_MODE_1_667, &ddr->sdram_mode); - __raw_writel(CONFIG_SYS_DDR_MODE_2_667, &ddr->sdram_mode_2); - __raw_writel(CONFIG_SYS_DDR_INTERVAL_667, &ddr->sdram_interval); - __raw_writel(CONFIG_SYS_DDR_CLK_CTRL_667, &ddr->sdram_clk_cntl); - __raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL_667, &ddr->ddr_wrlvl_cntl); - } else { - __raw_writel(CONFIG_SYS_DDR_TIMING_3_800, &ddr->timing_cfg_3); - __raw_writel(CONFIG_SYS_DDR_TIMING_0_800, &ddr->timing_cfg_0); - __raw_writel(CONFIG_SYS_DDR_TIMING_1_800, &ddr->timing_cfg_1); - __raw_writel(CONFIG_SYS_DDR_TIMING_2_800, &ddr->timing_cfg_2); - __raw_writel(CONFIG_SYS_DDR_MODE_1_800, &ddr->sdram_mode); - __raw_writel(CONFIG_SYS_DDR_MODE_2_800, &ddr->sdram_mode_2); - __raw_writel(CONFIG_SYS_DDR_INTERVAL_800, &ddr->sdram_interval); - __raw_writel(CONFIG_SYS_DDR_CLK_CTRL_800, &ddr->sdram_clk_cntl); - __raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL_800, &ddr->ddr_wrlvl_cntl); - } - - __raw_writel(CONFIG_SYS_DDR_TIMING_4, &ddr->timing_cfg_4); - __raw_writel(CONFIG_SYS_DDR_TIMING_5, &ddr->timing_cfg_5); - __raw_writel(CONFIG_SYS_DDR_ZQ_CONTROL, &ddr->ddr_zq_cntl); - - /* P1014 and it's derivatives support max 16bit DDR width */ - if (svr == SVR_P1014) { - __raw_writel(ddr->sdram_cfg & ~SDRAM_CFG_DBW_MASK, &ddr->sdram_cfg); - __raw_writel(ddr->sdram_cfg | SDRAM_CFG_16_BE, &ddr->sdram_cfg); - /* For CS0_BNDS we divide the start and end address by 2, so we can just - * shift the entire register to achieve the desired result and the mask - * the value so we don't write reserved fields */ - __raw_writel((CONFIG_SYS_DDR_CS0_BNDS >> 1) & 0x0fff0fff, &ddr->cs0_bnds); - } - - asm volatile("sync;isync"); - udelay(500); - - /* Let the controller go */ - out_be32(&ddr->sdram_cfg, in_be32(&ddr->sdram_cfg) | SDRAM_CFG_MEM_EN); - - set_next_law(CONFIG_SYS_NAND_DDR_LAW, LAW_SIZE_1G, LAW_TRGT_IF_DDR_1); -} - void board_init_f(ulong bootflag) { u32 plat_ratio; ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; +#if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM) + set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM); + set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM); +#endif + /* initialize selected port with appropriate baud rate */ plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO; plat_ratio >>= 1; @@ -98,9 +36,6 @@ void board_init_f(ulong bootflag) puts("\nNAND boot... "); - /* Initialize the DDR3 */ - sdram_init(); - /* 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. @@ -111,6 +46,7 @@ void board_init_f(ulong bootflag) void board_init_r(gd_t *gd, ulong dest_addr) { + puts("\nSecond program loader running in sram..."); nand_boot(); } diff --git a/board/freescale/p1010rdb/tlb.c b/board/freescale/p1010rdb/tlb.c index a3d36b3..af40f97 100644 --- a/board/freescale/p1010rdb/tlb.c +++ b/board/freescale/p1010rdb/tlb.c @@ -73,10 +73,18 @@ struct fsl_e_tlb_entry tlb_table[] = { MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 7, BOOKE_PAGESZ_1M, 1), -#if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL) +#if defined(CONFIG_SYS_RAMBOOT) || \ + (defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR)) 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) + 0, 8, BOOKE_PAGESZ_1G, 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 }; |