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https://github.com/u-boot/u-boot.git
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9ed679aeeb
Add support for the bcm28155_ap reference board. Signed-off-by: Darwin Rambo <drambo@broadcom.com> Reviewed-by: Steve Rae <srae@broadcom.com> Reviewed-by: Tim Kryger <tkryger@linaro.org>
88 lines
1.8 KiB
C
88 lines
1.8 KiB
C
/*
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* Copyright 2013 Broadcom Corporation.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/mach-types.h>
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#include <mmc.h>
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#include <asm/kona-common/kona_sdhci.h>
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#include <asm/kona-common/clk.h>
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#include <asm/arch/sysmap.h>
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#define SECWATCHDOG_SDOGCR_OFFSET 0x00000000
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#define SECWATCHDOG_SDOGCR_EN_SHIFT 27
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#define SECWATCHDOG_SDOGCR_SRSTEN_SHIFT 26
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#define SECWATCHDOG_SDOGCR_CLKS_SHIFT 20
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#define SECWATCHDOG_SDOGCR_LD_SHIFT 0
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DECLARE_GLOBAL_DATA_PTR;
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/*
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* board_init - early hardware init
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*/
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int board_init(void)
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{
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printf("Relocation Offset is: %08lx\n", gd->reloc_off);
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/* adress of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
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clk_init();
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return 0;
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}
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/*
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* misc_init_r - miscellaneous platform dependent initializations
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*/
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int misc_init_r(void)
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{
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/* Disable watchdog reset - watchdog unused */
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writel((0 << SECWATCHDOG_SDOGCR_EN_SHIFT) |
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(0 << SECWATCHDOG_SDOGCR_SRSTEN_SHIFT) |
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(4 << SECWATCHDOG_SDOGCR_CLKS_SHIFT) |
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(0x5a0 << SECWATCHDOG_SDOGCR_LD_SHIFT),
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(SECWD_BASE_ADDR + SECWATCHDOG_SDOGCR_OFFSET));
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return 0;
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}
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/*
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* dram_init - sets uboots idea of sdram size
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*/
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int dram_init(void)
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{
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gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
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CONFIG_SYS_SDRAM_SIZE);
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return 0;
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}
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/* This is called after dram_init() so use get_ram_size result */
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void dram_init_banksize(void)
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{
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gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
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gd->bd->bi_dram[0].size = gd->ram_size;
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}
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#ifdef CONFIG_KONA_SDHCI
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/*
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* mmc_init - Initializes mmc
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*/
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int board_mmc_init(bd_t *bis)
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{
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int ret = 0;
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/* Register eMMC - SDIO2 */
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ret = kona_sdhci_init(1, 400000, 0);
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if (ret)
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return ret;
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/* Register SD Card - SDIO4 kona_mmc_init assumes 0 based index */
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ret = kona_sdhci_init(3, 400000, 0);
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return ret;
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}
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#endif
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