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>master
Darwin Rambo
10 years ago
committed by
Albert ARIBAUD
parent
7a9d0ad009
commit
9ed679aeeb
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#
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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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obj-y += $(BOARD).o
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/*
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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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@ -0,0 +1,140 @@ |
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/*
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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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#ifndef __BCM28155_AP_H |
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#define __BCM28155_AP_H |
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#include <asm/sizes.h> |
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#include <asm/arch/sysmap.h> |
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/* Architecture, CPU, chip, mach, etc */ |
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#define CONFIG_ARMV7 |
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#define CONFIG_KONA |
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#define CONFIG_SKIP_LOWLEVEL_INIT |
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/*
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* Memory configuration |
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*/ |
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#define CONFIG_SYS_TEXT_BASE 0xae000000 |
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#define CONFIG_SYS_SDRAM_BASE 0x80000000 |
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#define CONFIG_SYS_SDRAM_SIZE 0x80000000 |
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#define CONFIG_NR_DRAM_BANKS 1 |
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#define CONFIG_SYS_MALLOC_LEN SZ_4M /* see armv7/start.S. */ |
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#define CONFIG_STACKSIZE SZ_256K |
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/* GPIO Driver */ |
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#define CONFIG_KONA_GPIO |
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/* MMC/SD Driver */ |
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#define CONFIG_SDHCI |
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#define CONFIG_MMC_SDMA |
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#define CONFIG_KONA_SDHCI |
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#define CONFIG_MMC |
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#define CONFIG_GENERIC_MMC |
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#define CONFIG_SYS_SDIO_BASE0 SDIO1_BASE_ADDR |
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#define CONFIG_SYS_SDIO_BASE1 SDIO2_BASE_ADDR |
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#define CONFIG_SYS_SDIO_BASE2 SDIO3_BASE_ADDR |
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#define CONFIG_SYS_SDIO_BASE3 SDIO4_BASE_ADDR |
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#define CONFIG_SYS_SDIO0_MAX_CLK 48000000 |
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#define CONFIG_SYS_SDIO1_MAX_CLK 48000000 |
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#define CONFIG_SYS_SDIO2_MAX_CLK 48000000 |
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#define CONFIG_SYS_SDIO3_MAX_CLK 48000000 |
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#define CONFIG_SYS_SDIO0 "sdio1" |
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#define CONFIG_SYS_SDIO1 "sdio2" |
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#define CONFIG_SYS_SDIO2 "sdio3" |
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#define CONFIG_SYS_SDIO3 "sdio4" |
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/* I2C Driver */ |
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#define CONFIG_SYS_I2C |
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#define CONFIG_SYS_I2C_KONA |
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#define CONFIG_SYS_SPD_BUS_NUM 3 /* Start with PMU bus */ |
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#define CONFIG_SYS_MAX_I2C_BUS 4 |
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#define CONFIG_SYS_I2C_BASE0 BSC1_BASE_ADDR |
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#define CONFIG_SYS_I2C_BASE1 BSC2_BASE_ADDR |
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#define CONFIG_SYS_I2C_BASE2 BSC3_BASE_ADDR |
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#define CONFIG_SYS_I2C_BASE3 PMU_BSC_BASE_ADDR |
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/* Timer Driver */ |
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#define CONFIG_SYS_TIMER_RATE 32000 |
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#define CONFIG_SYS_TIMER_COUNTER (TIMER_BASE_ADDR + 4) /* STCLO offset */ |
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/* Init functions */ |
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#define CONFIG_MISC_INIT_R /* board's misc_init_r function */ |
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/* Some commands use this as the default load address */ |
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#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE |
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/* No mtest functions as recommended */ |
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#undef CONFIG_CMD_MEMORY |
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/*
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* This is the initial SP which is used only briefly for relocating the u-boot |
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* image to the top of SDRAM. After relocation u-boot moves the stack to the |
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* proper place. |
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*/ |
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#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE |
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/* Serial Info */ |
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#define CONFIG_SYS_NS16550 |
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#define CONFIG_SYS_NS16550_SERIAL |
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/* Post pad 3 bytes after each reg addr */ |
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#define CONFIG_SYS_NS16550_REG_SIZE (-4) |
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#define CONFIG_SYS_NS16550_CLK 13000000 |
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#define CONFIG_CONS_INDEX 1 |
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#define CONFIG_SYS_NS16550_COM1 0x3e000000 |
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#define CONFIG_BAUDRATE 115200 |
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#define CONFIG_ENV_SIZE 0x10000 |
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#define CONFIG_ENV_IS_NOWHERE |
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#define CONFIG_SYS_NO_FLASH /* Not using NAND/NOR unmanaged flash */ |
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/* console configuration */ |
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#define CONFIG_SYS_CBSIZE 1024 /* Console buffer size */ |
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ |
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sizeof(CONFIG_SYS_PROMPT) + 16) /* Printbuffer size */ |
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#define CONFIG_SYS_MAXARGS 64 |
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE |
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/*
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* One partition type must be defined for part.c |
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* This is necessary for the fatls command to work on an SD card |
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* for example. |
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*/ |
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#define CONFIG_DOS_PARTITION |
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/* version string, parser, etc */ |
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#define CONFIG_VERSION_VARIABLE |
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#define CONFIG_AUTO_COMPLETE |
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#define CONFIG_SYS_HUSH_PARSER |
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#define CONFIG_CMDLINE_EDITING |
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#define CONFIG_SYS_LONGHELP |
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#define CONFIG_CRC32_VERIFY |
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#define CONFIG_MX_CYCLIC |
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/* Initial upstream - boot to cmd prompt only */ |
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#define CONFIG_BOOTCOMMAND "" |
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/* Commands */ |
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#include <config_cmd_default.h> |
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#define CONFIG_CMD_ASKENV |
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#define CONFIG_CMD_CACHE |
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#define CONFIG_CMD_FAT |
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#define CONFIG_CMD_GPIO |
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#define CONFIG_CMD_I2C |
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#define CONFIG_CMD_MMC |
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#define CONFIG_CMD_BOOTZ |
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#define CONFIG_FAT_WRITE |
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#undef CONFIG_CMD_NET |
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#undef CONFIG_CMD_NFS |
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#endif /* __BCM28155_AP_H */ |
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