ARM: ts4800: add board support

From: Lucile Quirion <[email protected]>

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 <[email protected]>

Cc Stefano Babic <[email protected]>

---
 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

arch/arm/Kconfig +5 -0

index ac86518..f0b44c0 100644
@@ -649,6 +649,10 @@ 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

@@ -969,6 +973,7 @@ 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"

board/technologic/ts4800/Kconfig new file +15 -0

new file mode 100644
index 0000000..a28d5e4
@@ -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

board/technologic/ts4800/MAINTAINERS new file +6 -0

new file mode 100644
index 0000000..e013ee4
@@ -0,0 +1,6 @@
+TS4800 BOARD
+M:	Lucile Quirion <[email protected]>
+S:	Maintained
+F:	board/ts/ts4800/
+F:	include/configs/ts4800.h
+F:	configs/ts4800_defconfig

board/technologic/ts4800/Makefile new file +7 -0

new file mode 100644
index 0000000..e9f1a37
@@ -0,0 +1,7 @@
+#
+# (C) Copyright 2015 Savoir-faire Linux
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y			+= ts4800.o

board/technologic/ts4800/ts4800.c new file +100 -0

new file mode 100644
index 0000000..e49f185
@@ -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),

board/technologic/ts4800/ts4800.c new file +30 -0

+	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)
+{

board/technologic/ts4800/ts4800.c new file +5 -0

+
+void hw_watchdog_init(void)
+{
+	return;
+}

configs/ts4800_defconfig new file +2 -0

new file mode 100644
index 0000000..43b119d
@@ -0,0 +1,2 @@
+CONFIG_ARM=y
+CONFIG_TARGET_TS4800=y

include/configs/ts4800.h new file +8 -0

new file mode 100644
index 0000000..f265968
@@ -0,0 +1,170 @@
+/*
+ * Copyright (C) 2015, Savoir-faire Linux Inc.
+ *
+ * Derived from MX51EVK code by
+ *   Guennadi Liakhovetski <[email protected]>
+ *   Freescale Semiconductor, Inc.
+ *
+ * Configuration settings for the TS4800 Board

include/configs/ts4800.h new file +142 -0

+#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
+

This commit adds ethernet support to the TS4800. Note that the MAC address is not fused on this board and have to be read from FEC PALR PAUR registers (this is how the kernel provided by Technologic Systems does it).

Signed-off-by Damien Riegel <[email protected]>

Cc Stefano Babic <[email protected]>

---
Changes for v2:
- Reorder pads

From: Lucile Quirion <[email protected]>

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 <[email protected]>

Signed-off-by Damien Riegel <[email protected]>

Cc Stefano Babic <[email protected]>