omap3: add support for QUIPOS Cairo board.

This patch extends OMAP3 support for AM/DM37xx and
introduces the AM3703-based Quipos Cairo board.

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/omap3_cairo.h b/include/configs/omap3_cairo.h
new file mode 100644
index 0000000..3030054
--- /dev/null
+++ b/include/configs/omap3_cairo.h
@@ -0,0 +1,286 @@
+/*
+ * Configuration settings for the QUIPOS Cairo board.
+ *
+ * Copyright (C) DENX GmbH
+ *
+ * Author :
+ *	Albert ARIBAUD <albert.aribaud@3adev.fr>
+ *
+ * Derived from EVM  code by
+ *	Manikandan Pillai <mani.pillai@ti.com>
+ * Itself derived from Beagle Board and 3430 SDP code by
+ *	Richard Woodruff <r-woodruff2@ti.com>
+ *	Syed Mohammed Khasim <khasim@ti.com>
+ *
+ * Also derived from include/configs/omap3_beagle.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __OMAP3_CAIRO_CONFIG_H
+#define __OMAP3_CAIRO_CONFIG_H
+
+#define CONFIG_NR_DRAM_BANKS	2	/* CS1 may or may not be populated */
+
+/*
+ * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
+ * 64 bytes before this address should be set aside for u-boot.img's
+ * header. That is 0x800FFFC0--0x80100000 should not be used for any
+ * other needs.  We use this rather than the inherited defines from
+ * ti_armv7_common.h for backwards compatibility.
+ */
+#define CONFIG_SYS_TEXT_BASE		0x80100000
+#define CONFIG_SYS_UBOOT_START		CONFIG_SYS_TEXT_BASE
+#define CONFIG_SPL_BSS_START_ADDR	0x80000000
+#define CONFIG_SPL_BSS_MAX_SIZE		(512 << 10)	/* 512 KB */
+#define CONFIG_SYS_SPL_MALLOC_START	0x80208000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
+
+#define CONFIG_NAND
+
+#include <configs/ti_omap3_common.h>
+
+/*
+ * Display CPU and Board information
+ */
+#define CONFIG_DISPLAY_CPUINFO		1
+#define CONFIG_DISPLAY_BOARDINFO	1
+
+#define CONFIG_MISC_INIT_R
+
+#define CONFIG_REVISION_TAG		1
+#define CONFIG_ENV_OVERWRITE
+
+/* Enable Multi Bus support for I2C */
+#define CONFIG_I2C_MULTI_BUS		1
+
+/* Probe all devices */
+#define CONFIG_SYS_I2C_NOPROBES		{ {0x0, 0x0} }
+
+#define CONFIG_NAND
+
+/* commands to include */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_SETEXPR	/* Evaluate expressions		*/
+#define CONFIG_CMD_NAND_LOCK_UNLOCK
+
+/* Disable some commands */
+#undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
+#undef CONFIG_CMD_IMI		/* iminfo			*/
+#undef CONFIG_CMD_NET		/* bootp, tftpboot, rarpboot	*/
+
+/*
+ * TWL4030
+ */
+#define CONFIG_TWL4030_LED		1
+
+/*
+ * Board NAND Info.
+ */
+#define CONFIG_SYS_NAND_QUIET_TEST	1
+#define CONFIG_NAND_OMAP_GPMC
+#define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
+							/* devices */
+/* override default CONFIG_BOOTDELAY */
+#undef CONFIG_BOOTDELAY
+#define CONFIG_BOOTDELAY	0
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"machid=ffffffff\0" \
+	"fdt_high=0x87000000\0" \
+	"baudrate=115200\0" \
+	"ethaddr=00:50:C2:7E:90:F0\0" \
+	"fec_addr=00:50:C2:7E:90:F0\0" \
+	"netmask=255.255.255.0\0" \
+	"ipaddr=192.168.2.9\0" \
+	"gateway=192.168.2.1\0" \
+	"serverip=192.168.2.10\0" \
+	"nfshost=192.168.2.10\0" \
+	"stdin=serial\0" \
+	"stdout=serial\0" \
+	"stderr=serial\0" \
+	"bootargs_mmc_ramdisk=mem=128M " \
+		"console=ttyO1,115200n8 " \
+		"root=/dev/ram0 rw " \
+		"initrd=0x81600000,16M " \
+		"mpurate=600 ramdisk_size=16384 omapfb.rotate=1 " \
+		"omapfb.rotate_type=1 omap_vout.vid1_static_vrfb_alloc=y\0" \
+	"mmcboot=mmc init; " \
+		"fatload mmc 0 0x80000000 uImage; " \
+		"fatload mmc 0 0x81600000 ramdisk.gz; " \
+		"setenv bootargs ${bootargs_mmc_ramdisk}; " \
+		"bootm 0x80000000\0" \
+	"bootargs_nfs=mem=99M console=ttyO0,115200n8 noinitrd rw ip=dhcp " \
+	"root=/dev/nfs " \
+	"nfsroot=192.168.2.10:/home/spiid/workdir/Quipos/rootfs,nolock " \
+	"mpurate=600 omapfb.rotate=1 omapfb.rotate_type=1 " \
+	"omap_vout.vid1_static_vrfb_alloc=y\0" \
+	"boot_nfs=run get_kernel; setenv bootargs ${bootargs_nfs}; " \
+	"bootm 0x80000000\0" \
+	"bootargs_nand=mem=128M console=ttyO1,115200n8 noinitrd " \
+	"root=/dev/mtdblock4 rw rootfstype=jffs2 mpurate=600 " \
+	"omap_vout.vid1_static_vrfb_alloc=y omapfb.rotate=1 " \
+	"omapfb.rotate_type=1\0" \
+	"boot_nand=nand read.i 0x80000000 280000 300000; setenv " \
+	"bootargs ${bootargs_nand}; bootm 0x80000000\0" \
+	"ledorange=i2c dev 1; i2c mw 60 00 00 1; i2c mw 60 14 FF 1; " \
+	"i2c mw 60 15 FF 1; i2c mw 60 16 FF 1; i2c mw 60 17 FF 1; " \
+	"i2c mw 60 09 10 1; i2c mw 60 06 10 1\0" \
+	"ledgreen=i2c dev 1; i2c mw 60 00 00 1; i2c mw 60 14 FF 1; " \
+	"i2c mw 60 15 FF 1; i2c mw 60 16 FF 1; i2c mw 60 17 FF 1; i2c " \
+	"mw 60 09 00 1; i2c mw 60 06 10 1\0" \
+	"ledoff=i2c dev 1; i2c mw 60 00 00 1; i2c mw 60 14 FF 1; " \
+	"i2c mw 60 15 FF 1; i2c mw 60 16 FF 1; i2c mw 60 17 FF 1; " \
+	"i2c mw 60 09 00 1; i2c mw 60 06 0 1\0" \
+	"ledred=i2c dev 1; i2c mw 60 00 00 1; i2c mw 60 14 FF 1; " \
+	"i2c mw 60 15 FF 1; i2c mw 60 16 FF 1; i2c mw 60 17 FF 1; " \
+	"i2c mw 60 09 10 1; i2c mw 60 06 0 1\0" \
+	"flash_xloader=mw.b 0x81600000 0xff 0x20000; " \
+		"nand erase 0 20000; " \
+		"fatload mmc 0 0x81600000 MLO; " \
+		"nandecc hw; " \
+		"nand write.i 0x81600000 0 20000;\0" \
+	"flash_uboot=mw.b 0x81600000 0xff 0x40000; " \
+		"nand erase 80000 40000; " \
+		"fatload mmc 0 0x81600000 u-boot.bin; " \
+		"nandecc sw; " \
+		"nand write.i 0x81600000 80000 40000;\0" \
+	"flash_kernel=mw.b 0x81600000 0xff 0x300000; " \
+		"nand erase 280000 300000; " \
+		"fatload mmc 0 0x81600000 uImage; " \
+		"nandecc sw; " \
+		"nand write.i 0x81600000 280000 300000;\0" \
+	"flash_rootfs=fatload mmc 0 0x81600000 rootfs.jffs2; " \
+		"nandecc sw; " \
+		"nand write.jffs2 0x680000 0xFF ${filesize}; " \
+		"nand erase 680000 ${filesize}; " \
+		"nand write.jffs2 81600000 680000 ${filesize};\0" \
+	"flash_scrub=nand scrub; " \
+		"run flash_xloader; " \
+		"run flash_uboot; " \
+		"run flash_kernel; " \
+		"run flash_rootfs;\0" \
+	"flash_all=run ledred; " \
+		"nand erase.chip; " \
+		"run ledorange; " \
+		"run flash_xloader; " \
+		"run flash_uboot; " \
+		"run flash_kernel; " \
+		"run flash_rootfs; " \
+		"run ledgreen; " \
+		"run boot_nand; \0" \
+
+#define CONFIG_BOOTCOMMAND \
+	"if fatload mmc 0 0x81600000 MLO; then run flash_all; " \
+	"else run boot_nand; fi"
+
+/*
+ * OMAP3 has 12 GP timers, they can be driven by the system clock
+ * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
+ * This rate is divided by a local divisor.
+ */
+#define CONFIG_SYS_PTV			2       /* Divisor: 2^(PTV+1) => 8 */
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+
+/* **** PISMO SUPPORT *** */
+#if defined(CONFIG_CMD_NAND)
+#define CONFIG_SYS_FLASH_BASE		NAND_BASE
+#endif
+
+/* Monitor at start of flash */
+#define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_ONENAND_BASE		ONENAND_MAP
+
+#define CONFIG_ENV_IS_IN_NAND		1
+#define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
+#define ONENAND_ENV_OFFSET		0x260000 /* environment starts here */
+#define SMNAND_ENV_OFFSET		0x260000 /* environment starts here */
+
+#define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)	/* 128 KiB */
+#define CONFIG_ENV_OFFSET		SMNAND_ENV_OFFSET
+#define CONFIG_ENV_ADDR			SMNAND_ENV_OFFSET
+
+#define CONFIG_OMAP3_SPI
+
+#define CONFIG_SYS_CACHELINE_SIZE	64
+
+/* Defines for SPL */
+#define CONFIG_SPL_OMAP3_ID_NAND
+
+/* NAND boot config */
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_PAGE_COUNT	64
+#define CONFIG_SYS_NAND_PAGE_SIZE	2048
+#define CONFIG_SYS_NAND_OOBSIZE		64
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
+#define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9,\
+						10, 11, 12, 13}
+#define CONFIG_SYS_NAND_ECCSIZE		512
+#define CONFIG_SYS_NAND_ECCBYTES	3
+#define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
+/* NAND: SPL falcon mode configs */
+#ifdef CONFIG_SPL_OS_BOOT
+#define CONFIG_CMD_SPL_NAND_OFS		0x240000
+#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS	0x280000
+#define CONFIG_CMD_SPL_WRITE_SIZE	0x2000
+#endif
+
+/* env defaults */
+#define CONFIG_BOOTFILE			"uImage"
+
+/* Override OMAP3 common serial console configuration from UART3
+ * to UART2.
+ *
+ * Attention: for UART2, special MUX settings (MUX_DEFAULT(), MCBSP3)
+ * are needed and peripheral clocks for UART2 must be enabled in
+ * function per_clocks_enable().
+ */
+#undef CONFIG_CONS_INDEX
+#define CONFIG_CONS_INDEX		2
+#ifdef CONFIG_SPL_BUILD
+#undef CONFIG_SYS_NS16550_COM3
+#define CONFIG_SYS_NS16550_COM2		OMAP34XX_UART2
+#undef CONFIG_SERIAL3
+#define CONFIG_SERIAL2
+#endif
+
+/* Keep old prompt in case some existing script depends on it */
+#undef CONFIG_SYS_PROMPT
+#define CONFIG_SYS_PROMPT		"Cairo # "
+
+/* Provide MACH_TYPE for compatibility with non-DT kernels */
+#define MACH_TYPE_OMAP3_CAIRO	3063
+#define CONFIG_MACH_TYPE	MACH_TYPE_OMAP3_CAIRO
+
+/*-----------------------------------------------------------------------
+ * FLASH and environment organization
+ */
+
+/* **** PISMO SUPPORT *** */
+
+#define CONFIG_SYS_MAX_FLASH_SECT	520	/* max number of sectors */
+						/* on one chip */
+#define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of flash banks */
+
+/*-----------------------------------------------------------------------
+ * CFI FLASH driver setup
+ */
+/* timeout values are in ticks */
+#define CONFIG_SYS_FLASH_ERASE_TOUT	(100 * CONFIG_SYS_HZ)
+#define CONFIG_SYS_FLASH_WRITE_TOUT	(100 * CONFIG_SYS_HZ)
+
+/* Flash banks JFFS2 should use */
+#define CONFIG_SYS_MAX_MTD_BANKS	(CONFIG_SYS_MAX_FLASH_BANKS + \
+					CONFIG_SYS_MAX_NAND_DEVICE)
+#define CONFIG_SYS_JFFS2_MEM_NAND
+/* use flash_info[2] */
+#define CONFIG_SYS_JFFS2_FIRST_BANK	CONFIG_SYS_MAX_FLASH_BANKS
+#define CONFIG_SYS_JFFS2_NUM_BANKS	1
+
+#endif /* __OMAP3_CAIRO_CONFIG_H */