[U-Boot] [RFC PATCH 1/3] ARM: ts4800: add basic board support
Damien Riegel
damien.riegel at savoirfairelinux.com
Tue Jun 2 22:22:55 CEST 2015
From: Lucile Quirion <lucile.quirion at savoirfairelinux.com>
This commit adds basic support including:
MMC, Serial console, TS4800 watchdog
The config use CONFIG_SKIP_LOWLEVEL_INIT as U-boot is used as a second
stage bootloader.
Signed-off-by: Lucile Quirion <lucile.quirion at savoirfairelinux.com>
Cc: Stefano Babic <sbabic at denx.de>
---
arch/arm/Kconfig | 5 ++
board/technologic/ts4800/Kconfig | 15 ++++
board/technologic/ts4800/MAINTAINERS | 6 ++
board/technologic/ts4800/Makefile | 7 ++
board/technologic/ts4800/ts4800.c | 155 ++++++++++++++++++++++++++++++++
configs/ts4800_defconfig | 2 +
include/configs/ts4800.h | 170 +++++++++++++++++++++++++++++++++++
7 files changed, 360 insertions(+)
create mode 100644 board/technologic/ts4800/Kconfig
create mode 100644 board/technologic/ts4800/MAINTAINERS
create mode 100644 board/technologic/ts4800/Makefile
create mode 100644 board/technologic/ts4800/ts4800.c
create mode 100644 configs/ts4800_defconfig
create mode 100644 include/configs/ts4800.h
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2985e6e..e821eb9 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -641,6 +641,10 @@ config TARGET_SNOWBALL
bool "Support snowball"
select CPU_V7
+config TARGET_TS4800
+ bool "Support TS4800"
+ select CPU_V7
+
config TARGET_U8500_HREF
bool "Support u8500_href"
select CPU_V7
@@ -959,6 +963,7 @@ source "board/toradex/colibri_pxa270/Kconfig"
source "board/toradex/colibri_vf/Kconfig"
source "board/tqc/tqma6/Kconfig"
source "board/trizepsiv/Kconfig"
+source "board/technologic/ts4800/Kconfig"
source "board/ttcontrol/vision2/Kconfig"
source "board/udoo/Kconfig"
source "board/vpac270/Kconfig"
diff --git a/board/technologic/ts4800/Kconfig b/board/technologic/ts4800/Kconfig
new file mode 100644
index 0000000..a28d5e4
--- /dev/null
+++ b/board/technologic/ts4800/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_TS4800
+
+config SYS_BOARD
+ default "ts4800"
+
+config SYS_VENDOR
+ default "technologic"
+
+config SYS_SOC
+ default "mx5"
+
+config SYS_CONFIG_NAME
+ default "ts4800"
+
+endif
diff --git a/board/technologic/ts4800/MAINTAINERS b/board/technologic/ts4800/MAINTAINERS
new file mode 100644
index 0000000..e013ee4
--- /dev/null
+++ b/board/technologic/ts4800/MAINTAINERS
@@ -0,0 +1,6 @@
+TS4800 BOARD
+M: Lucile Quirion <lucile.quirion at savoirfairelinux.com>
+S: Maintained
+F: board/ts/ts4800/
+F: include/configs/ts4800.h
+F: configs/ts4800_defconfig
diff --git a/board/technologic/ts4800/Makefile b/board/technologic/ts4800/Makefile
new file mode 100644
index 0000000..e9f1a37
--- /dev/null
+++ b/board/technologic/ts4800/Makefile
@@ -0,0 +1,7 @@
+#
+# (C) Copyright 2015 Savoir-faire Linux
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += ts4800.o
diff --git a/board/technologic/ts4800/ts4800.c b/board/technologic/ts4800/ts4800.c
new file mode 100644
index 0000000..e49f185
--- /dev/null
+++ b/board/technologic/ts4800/ts4800.c
@@ -0,0 +1,155 @@
+/*
+ * (C) Copyright 2015 Savoir-faire Linux Inc.
+ *
+ * Derived from MX51EVK code by
+ * Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux-mx51.h>
+#include <asm/errno.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <asm/imx-common/mx5_video.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <mc13892.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_FSL_ESDHC
+struct fsl_esdhc_cfg esdhc_cfg[2] = {
+ {MMC_SDHC1_BASE_ADDR},
+ {MMC_SDHC2_BASE_ADDR},
+};
+#endif
+
+int dram_init(void)
+{
+ /* dram_init must store complete ramsize in gd->ram_size */
+ gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+ PHYS_SDRAM_1_SIZE);
+ return 0;
+}
+
+u32 get_board_rev(void)
+{
+ u32 rev = get_cpu_rev();
+ if (!gpio_get_value(IMX_GPIO_NR(1, 22)))
+ rev |= BOARD_REV_2_0 << BOARD_VER_OFFSET;
+ return rev;
+}
+
+#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_DSE_HIGH)
+
+static void setup_iomux_uart(void)
+{
+ static const iomux_v3_cfg_t uart_pads[] = {
+ MX51_PAD_UART1_RXD__UART1_RXD,
+ MX51_PAD_UART1_TXD__UART1_TXD,
+ NEW_PAD_CTRL(MX51_PAD_UART1_RTS__UART1_RTS, UART_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_UART1_CTS__UART1_CTS, UART_PAD_CTRL),
+ };
+
+ imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
+}
+
+#ifdef CONFIG_FSL_ESDHC
+int board_mmc_getcd(struct mmc *mmc)
+{
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret;
+
+ imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_0__GPIO1_0,
+ NO_PAD_CTRL));
+ gpio_direction_input(IMX_GPIO_NR(1, 0));
+ imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_6__GPIO1_6,
+ NO_PAD_CTRL));
+ gpio_direction_input(IMX_GPIO_NR(1, 6));
+
+ if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
+ ret = !gpio_get_value(IMX_GPIO_NR(1, 0));
+ else
+ ret = !gpio_get_value(IMX_GPIO_NR(1, 6));
+
+ return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+ static const iomux_v3_cfg_t sd1_pads[] = {
+ NEW_PAD_CTRL(MX51_PAD_SD1_CMD__SD1_CMD, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_CLK__SD1_CLK, PAD_CTL_DSE_MAX |
+ PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_DATA0__SD1_DATA0, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_DATA1__SD1_DATA1, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_DATA2__SD1_DATA2, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_DATA3__SD1_DATA3, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_HYS),
+ NEW_PAD_CTRL(MX51_PAD_GPIO1_1__SD1_WP, PAD_CTL_HYS),
+ };
+
+ int ret;
+
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+
+ imx_iomux_v3_setup_multiple_pads(sd1_pads, ARRAY_SIZE(sd1_pads));
+ ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
+ if (ret)
+ return ret;
+ return 0;
+}
+#endif
+
+int board_early_init_f(void)
+{
+ setup_iomux_uart();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ return 0;
+}
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+ return 1;
+}
+
+int checkboard(void)
+{
+ puts("Board: TS4800\n");
+
+ return 0;
+}
+
+#define TS4800_SYSCON_BASE 0xb0010000
+void hw_watchdog_reset(void)
+{
+ writew(readw(TS4800_SYSCON_BASE + 0xe) | 0x2, TS4800_SYSCON_BASE + 0xe);
+}
+
+void hw_watchdog_init(void)
+{
+ return;
+}
diff --git a/configs/ts4800_defconfig b/configs/ts4800_defconfig
new file mode 100644
index 0000000..43b119d
--- /dev/null
+++ b/configs/ts4800_defconfig
@@ -0,0 +1,2 @@
+CONFIG_ARM=y
+CONFIG_TARGET_TS4800=y
diff --git a/include/configs/ts4800.h b/include/configs/ts4800.h
new file mode 100644
index 0000000..f265968
--- /dev/null
+++ b/include/configs/ts4800.h
@@ -0,0 +1,170 @@
+/*
+ * Copyright (C) 2015, Savoir-faire Linux Inc.
+ *
+ * Derived from MX51EVK code by
+ * Guennadi Liakhovetski <lg at denx.de>
+ * Freescale Semiconductor, Inc.
+ *
+ * Configuration settings for the TS4800 Board
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* High Level Configuration Options */
+#define CONFIG_MX51
+#define CONFIG_TS4800
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_SYS_NO_FLASH /* No NOR Flash */
+#define CONFIG_SKIP_LOWLEVEL_INIT /* U-boot is a 2nd stage bootloader */
+
+#define CONFIG_HW_WATCHDOG
+
+#define CONFIG_MACH_TYPE MACH_TYPE_TS48XX
+
+/* text base address used when linking */
+#define CONFIG_SYS_TEXT_BASE 0x90008000
+
+#include <asm/arch/imx-regs.h>
+
+/* enable passing of ATAGs */
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_REVISION_TAG
+
+/* use common/board_f.c instead of arch/<arch>/lib/<board>.c */
+#define CONFIG_SYS_GENERIC_BOARD
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN (10 * 1024 * 1024)
+
+/*
+ * Hardware drivers
+ */
+
+#define CONFIG_MXC_UART
+#define CONFIG_MXC_UART_BASE UART1_BASE
+#define CONFIG_MXC_GPIO
+
+/*
+ * SPI Configs
+ * */
+#define CONFIG_HARD_SPI /* puts SPI: ready */
+#define CONFIG_MXC_SPI /* driver for the SPI controllers*/
+#define CONFIG_CMD_SPI /* SPI serial bus support */
+
+/*
+ * MMC Configs
+ * */
+#define CONFIG_FSL_ESDHC
+#define CONFIG_SYS_FSL_ESDHC_ADDR MMC_SDHC1_BASE_ADDR
+
+#define CONFIG_MMC
+
+#define CONFIG_CMD_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE /* disable vendor parameters protection (serial#, ethaddr) */
+#define CONFIG_CONS_INDEX 1 /* use UART0 : used by serial driver */
+#define CONFIG_BAUDRATE 115200
+
+/***********************************************************
+ * Command definition
+ ***********************************************************/
+
+#include <config_cmd_default.h>
+#define CONFIG_CMD_BOOTZ
+#undef CONFIG_CMD_IMLS
+
+/* Environment variables */
+
+#define CONFIG_BOOTDELAY 1
+
+#define CONFIG_LOADADDR 0x91000000 /* loadaddr env var */
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "script=boot.scr\0" \
+ "image=uImage\0" \
+ "mmcdev=0\0" \
+ "mmcpart=1\0" \
+ "mmcargs=setenv bootargs root=/dev/mmcblk0p2 rootwait rw\0" \
+ "addtty=setenv bootargs ${bootargs} console=ttymxc0,${baudrate}\0" \
+ "loadbootscript=" \
+ "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+ "bootscript=echo Running bootscript from mmc ...; " \
+ "source\0" \
+ "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image};\0" \
+ "mmcboot=echo Booting from mmc ...; " \
+ "run mmcargs addtty; " \
+ "bootm; "
+
+#define CONFIG_BOOTCOMMAND \
+ "mmc dev ${mmcdev}; if mmc rescan; then " \
+ "if run loadbootscript; then " \
+ "run bootscript; " \
+ "else " \
+ "if run loadimage; then " \
+ "run mmcboot; " \
+ "fi; " \
+ "fi; " \
+ "fi; "
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP /* undef to save memory */
+#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
+
+#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
+
+#define CONFIG_CMDLINE_EDITING
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM_1 CSD0_BASE_ADDR
+#define PHYS_SDRAM_1_SIZE (256 * 1024 * 1024)
+
+#define CONFIG_SYS_SDRAM_BASE (PHYS_SDRAM_1)
+#define CONFIG_SYS_INIT_RAM_ADDR (IRAM_BASE_ADDR)
+#define CONFIG_SYS_INIT_RAM_SIZE (IRAM_SIZE)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+ (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+ (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+/* Low level init */
+#define CONFIG_SYS_DDR_CLKSEL 0
+#define CONFIG_SYS_CLKTL_CBCDR 0x59E35100
+#define CONFIG_SYS_MAIN_PWR_ON
+
+/*-----------------------------------------------------------------------
+ * Environment organization
+ */
+
+#define CONFIG_ENV_OFFSET (6 * 64 * 1024)
+#define CONFIG_ENV_SIZE (8 * 1024)
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV 0
+
+#endif
--
1.9.1
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