diff options
Diffstat (limited to 'board/freescale/p1_p2_rdb_pc/spl_minimal.c')
-rw-r--r-- | board/freescale/p1_p2_rdb_pc/spl_minimal.c | 83 |
1 files changed, 5 insertions, 78 deletions
diff --git a/board/freescale/p1_p2_rdb_pc/spl_minimal.c b/board/freescale/p1_p2_rdb_pc/spl_minimal.c index ac07572c89f..adfa7b1e0f4 100644 --- a/board/freescale/p1_p2_rdb_pc/spl_minimal.c +++ b/board/freescale/p1_p2_rdb_pc/spl_minimal.c @@ -15,59 +15,14 @@ DECLARE_GLOBAL_DATA_PTR; -#ifndef CONFIG_SYS_INIT_L2_ADDR -/* - * Fixed sdram init -- doesn't use serial presence detect. - */ -static void sdram_init(void) -{ - ccsr_ddr_t *ddr = (ccsr_ddr_t *)CONFIG_SYS_MPC8xxx_DDR_ADDR; - - __raw_writel(CONFIG_SYS_DDR_CS0_BNDS, &ddr->cs0_bnds); - __raw_writel(CONFIG_SYS_DDR_CS0_CONFIG, &ddr->cs0_config); -#if CONFIG_CHIP_SELECTS_PER_CTRL > 1 - __raw_writel(CONFIG_SYS_DDR_CS1_BNDS, &ddr->cs1_bnds); - __raw_writel(CONFIG_SYS_DDR_CS1_CONFIG, &ddr->cs1_config); -#endif - __raw_writel(CONFIG_SYS_DDR_TIMING_3, &ddr->timing_cfg_3); - __raw_writel(CONFIG_SYS_DDR_TIMING_0, &ddr->timing_cfg_0); - __raw_writel(CONFIG_SYS_DDR_TIMING_1, &ddr->timing_cfg_1); - __raw_writel(CONFIG_SYS_DDR_TIMING_2, &ddr->timing_cfg_2); - - __raw_writel(CONFIG_SYS_DDR_CONTROL_2, &ddr->sdram_cfg_2); - __raw_writel(CONFIG_SYS_DDR_MODE_1, &ddr->sdram_mode); - __raw_writel(CONFIG_SYS_DDR_MODE_2, &ddr->sdram_mode_2); - - __raw_writel(CONFIG_SYS_DDR_INTERVAL, &ddr->sdram_interval); - __raw_writel(CONFIG_SYS_DDR_DATA_INIT, &ddr->sdram_data_init); - __raw_writel(CONFIG_SYS_DDR_CLK_CTRL, &ddr->sdram_clk_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); - __raw_writel(CONFIG_SYS_DDR_WRLVL_CONTROL, &ddr->ddr_wrlvl_cntl); - - /* Set, but do not enable the memory */ - __raw_writel(CONFIG_SYS_DDR_CONTROL & ~SDRAM_CFG_MEM_EN, &ddr->sdram_cfg); - - 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(0, CONFIG_SYS_SDRAM_SIZE_LAW, LAW_TRGT_IF_DDR_1); -} -#endif - void board_init_f(ulong bootflag) { u32 plat_ratio; ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; -#ifndef CONFIG_QE - ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR); -#elif defined(CONFIG_P1021RDB) - par_io_t *par_io = (par_io_t *)&(gur->qe_par_io); + +#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 */ @@ -80,35 +35,6 @@ void board_init_f(ulong bootflag) puts("\nNAND boot... "); -#ifndef CONFIG_QE - /* init DDR3 reset signal */ - __raw_writel(0x02000000, &pgpio->gpdir); - __raw_writel(0x00200000, &pgpio->gpodr); - __raw_writel(0x00000000, &pgpio->gpdat); - udelay(1000); - __raw_writel(0x00200000, &pgpio->gpdat); - udelay(1000); - __raw_writel(0x00000000, &pgpio->gpdir); -#elif defined(CONFIG_P1021RDB) - /* init DDR3 reset signal CE_PB8 */ - out_be32(&par_io[1].cpdir1, 0x00004000); - out_be32(&par_io[1].cpodr, 0x00800000); - out_be32(&par_io[1].cppar1, 0x00000000); - /* reset DDR3 */ - out_be32(&par_io[1].cpdat, 0x00800000); - udelay(1000); - out_be32(&par_io[1].cpdat, 0x00000000); - udelay(1000); - out_be32(&par_io[1].cpdat, 0x00800000); - /* disable the CE_PB8 */ - out_be32(&par_io[1].cpdir1, 0x00000000); -#endif - -#ifndef CONFIG_SYS_INIT_L2_ADDR - /* Initialize the DDR3 */ - sdram_init(); -#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. @@ -118,6 +44,7 @@ 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(); } |