ARM: ts4800: add basic board support

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@savoirfairelinux.com>
signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Cc: Stefano Babic <sbabic@denx.de>

1 files changed, 169 insertions, 0 deletions

diff --git a/include/configs/ts4800.h b/include/configs/ts4800.h
new file mode 100644
index 0000000000..d3722fa073
--- /dev/null
+++ b/include/configs/ts4800.h
@@ -0,0 +1,169 @@
+/*
+ * Copyright (C) 2015, Savoir-faire Linux Inc.
+ *
+ * Derived from MX51EVK code by
+ *   Guennadi Liakhovetski <lg@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_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
+ ***********************************************************/
+
+#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