diff options
Diffstat (limited to 'board/xilinx/versal/board.c')
-rw-r--r-- | board/xilinx/versal/board.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/board/xilinx/versal/board.c b/board/xilinx/versal/board.c index 9075147..b5ddd0c 100644 --- a/board/xilinx/versal/board.c +++ b/board/xilinx/versal/board.c @@ -9,6 +9,8 @@ #include <malloc.h> #include <asm/io.h> #include <asm/arch/hardware.h> +#include <dm/device.h> +#include <dm/uclass.h> DECLARE_GLOBAL_DATA_PTR; @@ -65,6 +67,115 @@ int board_early_init_r(void) return 0; } +int board_late_init(void) +{ + u32 reg = 0; + u8 bootmode; + struct udevice *dev; + int bootseq = -1; + int bootseq_len = 0; + int env_targets_len = 0; + const char *mode; + char *new_targets; + char *env_targets; + + if (!(gd->flags & GD_FLG_ENV_DEFAULT)) { + debug("Saved variables - Skipping\n"); + return 0; + } + + reg = readl(&crp_base->boot_mode_usr); + + if (reg >> BOOT_MODE_ALT_SHIFT) + reg >>= BOOT_MODE_ALT_SHIFT; + + bootmode = reg & BOOT_MODES_MASK; + + puts("Bootmode: "); + switch (bootmode) { + case JTAG_MODE: + puts("JTAG_MODE\n"); + mode = "pxe dhcp"; + break; + case QSPI_MODE_24BIT: + puts("QSPI_MODE_24\n"); + mode = "xspi0"; + break; + case QSPI_MODE_32BIT: + puts("QSPI_MODE_32\n"); + mode = "xspi0"; + break; + case OSPI_MODE: + puts("OSPI_MODE\n"); + mode = "xspi0"; + break; + case EMMC_MODE: + puts("EMMC_MODE\n"); + mode = "mmc0"; + break; + case SD_MODE: + puts("SD_MODE\n"); + if (uclass_get_device_by_name(UCLASS_MMC, + "sdhci@f1040000", &dev)) { + puts("Boot from SD0 but without SD0 enabled!\n"); + return -1; + } + debug("mmc0 device found at %p, seq %d\n", dev, dev->seq); + + mode = "mmc"; + bootseq = dev->seq; + break; + case SD1_LSHFT_MODE: + puts("LVL_SHFT_"); + /* fall through */ + case SD_MODE1: + puts("SD_MODE1\n"); + if (uclass_get_device_by_name(UCLASS_MMC, + "sdhci@f1050000", &dev)) { + puts("Boot from SD1 but without SD1 enabled!\n"); + return -1; + } + debug("mmc1 device found at %p, seq %d\n", dev, dev->seq); + + mode = "mmc"; + bootseq = dev->seq; + break; + default: + mode = ""; + printf("Invalid Boot Mode:0x%x\n", bootmode); + break; + } + + if (bootseq >= 0) { + bootseq_len = snprintf(NULL, 0, "%i", bootseq); + debug("Bootseq len: %x\n", bootseq_len); + } + + /* + * One terminating char + one byte for space between mode + * and default boot_targets + */ + env_targets = env_get("boot_targets"); + if (env_targets) + env_targets_len = strlen(env_targets); + + new_targets = calloc(1, strlen(mode) + env_targets_len + 2 + + bootseq_len); + if (!new_targets) + return -ENOMEM; + + if (bootseq >= 0) + sprintf(new_targets, "%s%x %s", mode, bootseq, + env_targets ? env_targets : ""); + else + sprintf(new_targets, "%s %s", mode, + env_targets ? env_targets : ""); + + env_set("boot_targets", new_targets); + + return 0; +} + int dram_init_banksize(void) { fdtdec_setup_memory_banksize(); |