board: bcm28155_ap: Add board files
authorDarwin Rambo <drambo@broadcom.com>
Tue, 11 Feb 2014 19:06:38 +0000 (11:06 -0800)
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>
Sat, 22 Feb 2014 18:30:45 +0000 (19:30 +0100)
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 [new file with mode: 0644]
board/broadcom/bcm28155_ap/bcm28155_ap.c [new file with mode: 0644]
boards.cfg
include/configs/bcm28155_ap.h [new file with mode: 0644]

diff --git a/board/broadcom/bcm28155_ap/Makefile b/board/broadcom/bcm28155_ap/Makefile
new file mode 100644 (file)
index 0000000..b18785a
--- /dev/null
@@ -0,0 +1,7 @@
+#
+# Copyright 2013 Broadcom Corporation.
+#
+# 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 (file)
index 0000000..940a1c2
--- /dev/null
@@ -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
index 0e663d93a25d44b93d1e664959567096b878cb61..8130f19c970c1eedb3a3c56af75c4042a5d47c2e 100644 (file)
@@ -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>
diff --git a/include/configs/bcm28155_ap.h b/include/configs/bcm28155_ap.h
new file mode 100644 (file)
index 0000000..8e1c81f
--- /dev/null
@@ -0,0 +1,140 @@
+/*
+ * 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 */