diff options
Diffstat (limited to 'board/broadcom/bcm28155_ap/bcm28155_ap.c')
-rw-r--r-- | board/broadcom/bcm28155_ap/bcm28155_ap.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/board/broadcom/bcm28155_ap/bcm28155_ap.c b/board/broadcom/bcm28155_ap/bcm28155_ap.c new file mode 100644 index 00000000000..940a1c2c506 --- /dev/null +++ b/board/broadcom/bcm28155_ap/bcm28155_ap.c @@ -0,0 +1,87 @@ +/* + * Copyright 2013 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/mach-types.h> +#include <mmc.h> +#include <asm/kona-common/kona_sdhci.h> +#include <asm/kona-common/clk.h> +#include <asm/arch/sysmap.h> + +#define SECWATCHDOG_SDOGCR_OFFSET 0x00000000 +#define SECWATCHDOG_SDOGCR_EN_SHIFT 27 +#define SECWATCHDOG_SDOGCR_SRSTEN_SHIFT 26 +#define SECWATCHDOG_SDOGCR_CLKS_SHIFT 20 +#define SECWATCHDOG_SDOGCR_LD_SHIFT 0 + +DECLARE_GLOBAL_DATA_PTR; + +/* + * board_init - early hardware init + */ +int board_init(void) +{ + printf("Relocation Offset is: %08lx\n", gd->reloc_off); + + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + + clk_init(); + + return 0; +} + +/* + * misc_init_r - miscellaneous platform dependent initializations + */ +int misc_init_r(void) +{ + /* Disable watchdog reset - watchdog unused */ + writel((0 << SECWATCHDOG_SDOGCR_EN_SHIFT) | + (0 << SECWATCHDOG_SDOGCR_SRSTEN_SHIFT) | + (4 << SECWATCHDOG_SDOGCR_CLKS_SHIFT) | + (0x5a0 << SECWATCHDOG_SDOGCR_LD_SHIFT), + (SECWD_BASE_ADDR + SECWATCHDOG_SDOGCR_OFFSET)); + + return 0; +} + +/* + * dram_init - sets uboots idea of sdram size + */ +int dram_init(void) +{ + gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + return 0; +} + +/* This is called after dram_init() so use get_ram_size result */ +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = gd->ram_size; +} + +#ifdef CONFIG_KONA_SDHCI +/* + * mmc_init - Initializes mmc + */ +int board_mmc_init(bd_t *bis) +{ + int ret = 0; + + /* Register eMMC - SDIO2 */ + ret = kona_sdhci_init(1, 400000, 0); + if (ret) + return ret; + + /* Register SD Card - SDIO4 kona_mmc_init assumes 0 based index */ + ret = kona_sdhci_init(3, 400000, 0); + return ret; +} +#endif |