ARM: OMAP: Add support for 3430 SDP

Add support for 3430 SDP
Signed-off-by: Syed Mohammed Khasim  <x0khasim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/board-3430sdp.c

+/*
+ * linux/arch/arm/mach-omap2/board-3430sdp.c
+ *
+ * Copyright (C) 2007 Texas Instruments
+ *
+ * Modified from mach-omap2/board-generic.c
+ *
+ * Initial code: Syed Mohammed Khasim
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/delay.h>
+#include <linux/workqueue.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/board.h>
+#include <asm/arch/common.h>
+#include <asm/arch/dma.h>
+#include <asm/arch/gpmc.h>
+
+#include <asm/io.h>
+#include <asm/delay.h>
+
+#define	SDP3430_FLASH_CS	0
+#define	SDP3430_SMC91X_CS	3
+
+static struct mtd_partition sdp3430_partitions[] = {
+	/* bootloader (U-Boot, etc) in first sector */
+	{
+		  .name		= "bootloader",
+		  .offset		= 0,
+		  .size		= SZ_256K,
+		  .mask_flags	= MTD_WRITEABLE, /* force read-only */
+	},
+	/* bootloader params in the next sector */
+	{
+		  .name		= "params",
+		  .offset		= MTDPART_OFS_APPEND,
+		  .size		= SZ_128K,
+		  .mask_flags	= 0,
+	},
+	/* kernel */
+	{
+		  .name		= "kernel",
+		  .offset		= MTDPART_OFS_APPEND,
+		  .size		= SZ_2M,
+		  .mask_flags	= 0
+	},
+	/* file system */
+	{
+		  .name		= "filesystem",
+		  .offset		= MTDPART_OFS_APPEND,
+		  .size		= MTDPART_SIZ_FULL,
+		  .mask_flags	= 0
+	}
+};
+
+static struct flash_platform_data sdp3430_flash_data = {
+	.map_name	= "cfi_probe",
+	.width		= 2,
+	.parts		= sdp3430_partitions,
+	.nr_parts	= ARRAY_SIZE(sdp3430_partitions),
+};
+
+static struct resource sdp3430_flash_resource = {
+	.start		= FLASH_BASE,
+	.end		= FLASH_BASE + SZ_64M - 1,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device sdp3430_flash_device = {
+	.name		= "omapflash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &sdp3430_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &sdp3430_flash_resource,
+};
+
+static struct resource sdp3430_smc91x_resources[] = {
+	[0] = {
+		.start	= OMAP34XX_ETHR_START,
+		.end	= OMAP34XX_ETHR_START + SZ_4K,
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= OMAP_GPIO_IRQ(OMAP34XX_ETHR_GPIO_IRQ),
+		.end	= 0,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdp3430_smc91x_device = {
+	.name		= "smc91x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(sdp3430_smc91x_resources),
+	.resource	= sdp3430_smc91x_resources,
+};
+
+static struct platform_device *sdp3430_devices[] __initdata = {
+	&sdp3430_smc91x_device,
+	&sdp3430_flash_device,
+};
+
+static inline void __init sdp3430_init_smc91x(void)
+{
+	int eth_cs;
+	unsigned long cs_mem_base;
+	unsigned int rate;
+	struct clk *l3ck;
+
+	eth_cs	= SDP3430_SMC91X_CS;
+
+	l3ck = clk_get(NULL, "core_l3_ck");
+	if (IS_ERR(l3ck))
+		rate = 100000000;
+	else
+		rate = clk_get_rate(l3ck);
+
+	if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+		printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
+		return;
+	}
+
+	sdp3430_smc91x_resources[0].start = cs_mem_base + 0x0;
+	sdp3430_smc91x_resources[0].end   = cs_mem_base + 0xf;
+	udelay(100);
+
+	if (omap_request_gpio(OMAP34XX_ETHR_GPIO_IRQ) < 0) {
+		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
+			OMAP34XX_ETHR_GPIO_IRQ);
+		return;
+	}
+	omap_set_gpio_direction(OMAP34XX_ETHR_GPIO_IRQ, 1);
+}
+
+static void __init omap_3430sdp_init_irq(void)
+{
+	omap2_init_common_hw();
+	omap_init_irq();
+	omap_gpio_init();
+	sdp3430_init_smc91x();
+}
+
+static struct omap_uart_config sdp3430_uart_config __initdata = {
+	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct omap_board_config_kernel sdp3430_config[] = {
+	{ OMAP_TAG_UART,	&sdp3430_uart_config },
+};
+
+static void __init omap_3430sdp_init(void)
+{
+	platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
+	omap_board_config = sdp3430_config;
+	omap_board_config_size = ARRAY_SIZE(sdp3430_config);
+	omap_serial_init();
+}
+
+static void __init omap_3430sdp_map_io(void)
+{
+	omap2_map_common_io();
+}
+
+MACHINE_START(OMAP_SDP3430, "OMAP3430 sdp3430 board")
+	/* Maintainer: Syed Khasim - Texas Instruments Inc */
+	.phys_io	= 0x48000000,
+	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
+	.boot_params	= 0x80000100,
+	.map_io		= omap_3430sdp_map_io,
+	.init_irq	= omap_3430sdp_init_irq,
+	.init_machine	= omap_3430sdp_init,
+	.timer		= &omap_timer,
+MACHINE_END

include/asm-arm/arch-omap/board-3430sdp.h

+/*
+ * linux/include/asm-arm/arch-omap/board-3430sdp.h
+ *
+ * Hardware definitions for TI OMAP3430 SDP board.
+ *
+ * Initial creation by Syed Mohammed Khasim
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASM_ARCH_OMAP_3430SDP_H
+#define __ASM_ARCH_OMAP_3430SDP_H
+
+#define DEBUG_BASE			0x08000000  /* debug board */
+
+/* Placeholder for 3430SDP specific defines */
+
+#define OMAP34XX_ETHR_START		DEBUG_BASE
+#define OMAP34XX_ETHR_GPIO_IRQ		29
+
+/* NAND */
+/* IMPORTANT NOTE ON MAPPING
+ * 3430SDP - 343X
+ * ----------
+ * NOR always on  0x04000000
+ * MPDB always on 0x08000000
+ * NAND always on 0x0C000000
+ * OneNand Mapped to 0x20000000
+ * Boot Mode(NAND/NOR). The other on CS1
+ */
+#define FLASH_BASE	0x04000000  /* NOR flash (64 Meg aligned) */
+#define DEBUG_BASE	0x08000000  /* debug board */
+#define NAND_BASE	0x0C000000  /* NAND flash */
+#define ONENAND_MAP	0x20000000  /* OneNand flash */
+
+#ifdef CONFIG_I2C_TWL4030_CORE
+
+#define TWL4030_IRQNUM INT_34XX_SYS_NIRQ
+
+/* TWL4030 Primary Interrupt Handler (PIH) interrupts */
+#define	IH_TWL4030_BASE		IH_BOARD_BASE
+#define	IH_TWL4030_END		(IH_TWL4030_BASE+8)
+
+#ifdef CONFIG_I2C_TWL4030_GPIO
+
+/* TWL4030 GPIO Interrupts */
+#define IH_TWL4030_GPIO_BASE	(IH_TWL4030_END)
+#define IH_TWL4030_GPIO_END	(IH_TWL4030_BASE+18)
+#define NR_IRQS			(IH_TWL4030_GPIO_END)
+#else
+#define NR_IRQS			(IH_TWL4030_END)
+#endif /* CONFIG_I2C_TWL4030_GPIO */
+#endif /* End of support for TWL4030 */
+#endif /*  __ASM_ARCH_OMAP_3430SDP_H */
+