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 --- board/broadcom/bcm28155_ap/Makefile | 7 ++ board/broadcom/bcm28155_ap/bcm28155_ap.c | 87 +++++++++++++++++++ boards.cfg | 1 + include/configs/bcm28155_ap.h | 140 ++++++++++++++++++++++++++++++ 4 files changed, 235 insertions(+) create mode 100644 board/broadcom/bcm28155_ap/Makefile create mode 100644 board/broadcom/bcm28155_ap/bcm28155_ap.c create mode 100644 include/configs/bcm28155_ap.h
diff --git a/board/broadcom/bcm28155_ap/Makefile b/board/broadcom/bcm28155_ap/Makefile new file mode 100644 index 0000000..b6159dc --- /dev/null +++ b/board/broadcom/bcm28155_ap/Makefile @@ -0,0 +1,7 @@ +# +# Copyright 2013 Broadcom Corporation. All rights reserved. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += $(BOARD).o diff --git a/board/broadcom/bcm28155_ap/bcm28155_ap.c b/board/broadcom/bcm28155_ap/bcm28155_ap.c new file mode 100644 index 0000000..814e6b4 --- /dev/null +++ b/board/broadcom/bcm28155_ap/bcm28155_ap.c @@ -0,0 +1,87 @@ +/* + * Copyright 2013 Broadcom Corporation. All rights reserved. + * + * 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 diff --git a/boards.cfg b/boards.cfg index 2dfd2b4..e4ab8ac 100644 --- a/boards.cfg +++ b/boards.cfg @@ -272,6 +272,7 @@ 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 diff --git a/include/configs/bcm28155_ap.h b/include/configs/bcm28155_ap.h new file mode 100644 index 0000000..63a691a --- /dev/null +++ b/include/configs/bcm28155_ap.h @@ -0,0 +1,140 @@ +/* + * Copyright 2013 Broadcom Corporation. All rights reserved. + * + * 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 */