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board: bcm28155_ap: Add board files

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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>
This commit is contained in:
Darwin Rambo 2014-02-11 11:06:38 -08:00 committed by Albert ARIBAUD
parent 7a9d0ad009
commit 9ed679aeeb
4 changed files with 235 additions and 0 deletions
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7
board/broadcom/bcm28155_ap/Makefile Normal file
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@ -0,0 +1,7 @@
#
# Copyright 2013 Broadcom Corporation.
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y += $(BOARD).o

87
board/broadcom/bcm28155_ap/bcm28155_ap.c Normal file
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/*
* 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

1
boards.cfg
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@ -273,6 +273,7 @@ Active arm armv7 am33xx ti ti816x
Active arm armv7 at91 atmel sama5d3xek sama5d3xek_mmc sama5d3xek:SAMA5D3,SYS_USE_MMC Bo Shen <voice.shen@atmel.com>
Active arm armv7 at91 atmel sama5d3xek sama5d3xek_nandflash sama5d3xek:SAMA5D3,SYS_USE_NANDFLASH Bo Shen <voice.shen@atmel.com>
Active arm armv7 at91 atmel sama5d3xek sama5d3xek_spiflash sama5d3xek:SAMA5D3,SYS_USE_SERIALFLASH Bo Shen <voice.shen@atmel.com>
Active arm armv7 bcm281xx broadcom bcm28155_ap bcm28155_ap bcm28155_ap Tim Kryger <tim.kryger@linaro.org>
Active arm armv7 exynos samsung arndale arndale - Inderpal Singh <inderpal.singh@linaro.org>
Active arm armv7 exynos samsung origen origen - Chander Kashyap <k.chander@samsung.com>
Active arm armv7 exynos samsung smdk5250 smdk5250 - Chander Kashyap <k.chander@samsung.com>

140
include/configs/bcm28155_ap.h Normal file
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/*
* Copyright 2013 Broadcom Corporation.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __BCM28155_AP_H
#define __BCM28155_AP_H
#include <asm/sizes.h>
#include <asm/arch/sysmap.h>
/* Architecture, CPU, chip, mach, etc */
#define CONFIG_ARMV7
#define CONFIG_KONA
#define CONFIG_SKIP_LOWLEVEL_INIT
/*
* Memory configuration
*/
#define CONFIG_SYS_TEXT_BASE 0xae000000
#define CONFIG_SYS_SDRAM_BASE 0x80000000
#define CONFIG_SYS_SDRAM_SIZE 0x80000000
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_MALLOC_LEN SZ_4M /* see armv7/start.S. */
#define CONFIG_STACKSIZE SZ_256K
/* GPIO Driver */
#define CONFIG_KONA_GPIO
/* MMC/SD Driver */
#define CONFIG_SDHCI
#define CONFIG_MMC_SDMA
#define CONFIG_KONA_SDHCI
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_SYS_SDIO_BASE0 SDIO1_BASE_ADDR
#define CONFIG_SYS_SDIO_BASE1 SDIO2_BASE_ADDR
#define CONFIG_SYS_SDIO_BASE2 SDIO3_BASE_ADDR
#define CONFIG_SYS_SDIO_BASE3 SDIO4_BASE_ADDR
#define CONFIG_SYS_SDIO0_MAX_CLK 48000000
#define CONFIG_SYS_SDIO1_MAX_CLK 48000000
#define CONFIG_SYS_SDIO2_MAX_CLK 48000000
#define CONFIG_SYS_SDIO3_MAX_CLK 48000000
#define CONFIG_SYS_SDIO0 "sdio1"
#define CONFIG_SYS_SDIO1 "sdio2"
#define CONFIG_SYS_SDIO2 "sdio3"
#define CONFIG_SYS_SDIO3 "sdio4"
/* I2C Driver */
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_KONA
#define CONFIG_SYS_SPD_BUS_NUM 3 /* Start with PMU bus */
#define CONFIG_SYS_MAX_I2C_BUS 4
#define CONFIG_SYS_I2C_BASE0 BSC1_BASE_ADDR
#define CONFIG_SYS_I2C_BASE1 BSC2_BASE_ADDR
#define CONFIG_SYS_I2C_BASE2 BSC3_BASE_ADDR
#define CONFIG_SYS_I2C_BASE3 PMU_BSC_BASE_ADDR
/* Timer Driver */
#define CONFIG_SYS_TIMER_RATE 32000
#define CONFIG_SYS_TIMER_COUNTER (TIMER_BASE_ADDR + 4) /* STCLO offset */
/* Init functions */
#define CONFIG_MISC_INIT_R /* board's misc_init_r function */
/* Some commands use this as the default load address */
#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE
/* No mtest functions as recommended */
#undef CONFIG_CMD_MEMORY
/*
* This is the initial SP which is used only briefly for relocating the u-boot
* image to the top of SDRAM. After relocation u-boot moves the stack to the
* proper place.
*/
#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE
/* Serial Info */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
/* Post pad 3 bytes after each reg addr */
#define CONFIG_SYS_NS16550_REG_SIZE (-4)
#define CONFIG_SYS_NS16550_CLK 13000000
#define CONFIG_CONS_INDEX 1
#define CONFIG_SYS_NS16550_COM1 0x3e000000
#define CONFIG_BAUDRATE 115200
#define CONFIG_ENV_SIZE 0x10000
#define CONFIG_ENV_IS_NOWHERE
#define CONFIG_SYS_NO_FLASH /* Not using NAND/NOR unmanaged flash */
/* console configuration */
#define CONFIG_SYS_CBSIZE 1024 /* Console buffer size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16) /* Printbuffer size */
#define CONFIG_SYS_MAXARGS 64
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
/*
* One partition type must be defined for part.c
* This is necessary for the fatls command to work on an SD card
* for example.
*/
#define CONFIG_DOS_PARTITION
/* version string, parser, etc */
#define CONFIG_VERSION_VARIABLE
#define CONFIG_AUTO_COMPLETE
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_CMDLINE_EDITING
#define CONFIG_SYS_LONGHELP
#define CONFIG_CRC32_VERIFY
#define CONFIG_MX_CYCLIC
/* Initial upstream - boot to cmd prompt only */
#define CONFIG_BOOTCOMMAND ""
/* Commands */
#include <config_cmd_default.h>
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_FAT
#define CONFIG_CMD_GPIO
#define CONFIG_CMD_I2C
#define CONFIG_CMD_MMC
#define CONFIG_CMD_BOOTZ
#define CONFIG_FAT_WRITE
#undef CONFIG_CMD_NET
#undef CONFIG_CMD_NFS
#endif /* __BCM28155_AP_H */