[U-Boot] [PATCH v1 6/6] board: bcm28155_ap: Add board files

Darwin Rambo
2014-02-03T21:03:02Z

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 */
--
1.7.9.5