Commit 4b911355 authored by Syed Mohammed, Khasim's avatar Syed Mohammed, Khasim Committed by Tony Lindgren

ARM: OMAP: Add support for 3430 SDP

Add support for 3430 SDP
Signed-off-by: default avatarSyed Mohammed Khasim  <x0khasim@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 1784bab6
/*
* 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
/*
* 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 */
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