diff options
Diffstat (limited to 'roms/u-boot/board/freescale/t104xrdb/spl.c')
-rw-r--r-- | roms/u-boot/board/freescale/t104xrdb/spl.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/t104xrdb/spl.c b/roms/u-boot/board/freescale/t104xrdb/spl.c new file mode 100644 index 000000000..f5fe73e62 --- /dev/null +++ b/roms/u-boot/board/freescale/t104xrdb/spl.c @@ -0,0 +1,141 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* Copyright 2013 Freescale Semiconductor, Inc. + */ + +#include <common.h> +#include <clock_legacy.h> +#include <console.h> +#include <env_internal.h> +#include <init.h> +#include <malloc.h> +#include <ns16550.h> +#include <nand.h> +#include <i2c.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <spi_flash.h> +#include <asm/global_data.h> +#include "../common/sleep.h" +#include "../common/spl.h" + +DECLARE_GLOBAL_DATA_PTR; + +phys_size_t get_effective_memsize(void) +{ + return CONFIG_SYS_L3_SIZE; +} + +unsigned long get_board_sys_clk(void) +{ + return CONFIG_SYS_CLK_FREQ; +} + +unsigned long get_board_ddr_clk(void) +{ + return CONFIG_DDR_CLK_FREQ; +} + +#define FSL_CORENET_CCSR_PORSR1_RCW_MASK 0xFF800000 +void board_init_f(ulong bootflag) +{ + u32 plat_ratio, sys_clk, uart_clk; +#if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND) + u32 porsr1, pinctl; + u32 svr = get_svr(); +#endif + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + +#if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND) + if (IS_SVR_REV(svr, 1, 0)) { + /* + * There is T1040 SoC issue where NOR, FPGA are inaccessible + * during NAND boot because IFC signals > IFC_AD7 are not + * enabled. This workaround changes RCW source to make all + * signals enabled. + */ + porsr1 = in_be32(&gur->porsr1); + pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK)) + | 0x24800000); + out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000), + pinctl); + } +#endif + + /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */ + memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t)); + + /* Update GD pointer */ + gd = (gd_t *)(CONFIG_SPL_GD_ADDR); + +#ifdef CONFIG_DEEP_SLEEP + /* disable the console if boot from deep sleep */ + if (is_warm_boot()) + fsl_dp_disable_console(); +#endif + /* compiler optimization barrier needed for GCC >= 3.4 */ + __asm__ __volatile__("" : : : "memory"); + + console_init_f(); + + /* initialize selected port with appropriate baud rate */ + sys_clk = get_board_sys_clk(); + plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f; + uart_clk = sys_clk * plat_ratio / 2; + + ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1, + uart_clk / 16 / CONFIG_BAUDRATE); + + relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0); +} + +void board_init_r(gd_t *gd, ulong dest_addr) +{ + struct bd_info *bd; + + bd = (struct bd_info *)(gd + sizeof(gd_t)); + memset(bd, 0, sizeof(struct bd_info)); + gd->bd = bd; + + arch_cpu_init(); + get_clocks(); + mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR, + CONFIG_SPL_RELOC_MALLOC_SIZE); + gd->flags |= GD_FLG_FULL_MALLOC_INIT; + +#ifdef CONFIG_SPL_MMC_BOOT + mmc_initialize(bd); +#endif + + /* relocate environment function pointers etc. */ +#if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_MMC) || \ + defined(CONFIG_ENV_IS_IN_SPI_FLASH) +#ifdef CONFIG_SPL_NAND_BOOT + nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, + (uchar *)SPL_ENV_ADDR); +#endif +#ifdef CONFIG_SPL_MMC_BOOT + mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, + (uchar *)SPL_ENV_ADDR); +#endif +#ifdef CONFIG_SPL_SPI_BOOT + fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE, + (uchar *)SPL_ENV_ADDR); +#endif + gd->env_addr = (ulong)(SPL_ENV_ADDR); + gd->env_valid = ENV_VALID; +#endif + + i2c_init_all(); + + puts("\n\n"); + + dram_init(); + +#ifdef CONFIG_SPL_MMC_BOOT + mmc_boot(); +#elif defined(CONFIG_SPL_SPI_BOOT) + fsl_spi_boot(); +#elif defined(CONFIG_SPL_NAND_BOOT) + nand_boot(); +#endif +} |