diff options
| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 | 
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 | 
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/board/broadcom/bcm28155_ap | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip  | |
Diffstat (limited to 'roms/u-boot/board/broadcom/bcm28155_ap')
| -rw-r--r-- | roms/u-boot/board/broadcom/bcm28155_ap/Makefile | 7 | ||||
| -rw-r--r-- | roms/u-boot/board/broadcom/bcm28155_ap/bcm28155_ap.c | 87 | 
2 files changed, 94 insertions, 0 deletions
diff --git a/roms/u-boot/board/broadcom/bcm28155_ap/Makefile b/roms/u-boot/board/broadcom/bcm28155_ap/Makefile new file mode 100644 index 00000000..4bb9e708 --- /dev/null +++ b/roms/u-boot/board/broadcom/bcm28155_ap/Makefile @@ -0,0 +1,7 @@ +# +# Copyright 2013 Broadcom Corporation. +# +# SPDX-License-Identifier:	GPL-2.0+ +# + +obj-y	+= bcm28155_ap.o diff --git a/roms/u-boot/board/broadcom/bcm28155_ap/bcm28155_ap.c b/roms/u-boot/board/broadcom/bcm28155_ap/bcm28155_ap.c new file mode 100644 index 00000000..940a1c2c --- /dev/null +++ b/roms/u-boot/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  | 
