196 lines
4.5 KiB
C
196 lines
4.5 KiB
C
/*
|
|
* linux/arch/arm/mach-omap1/board-perseus2.c
|
|
*
|
|
* Modified from board-generic.c
|
|
*
|
|
* Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
|
|
* Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
|
|
*
|
|
* 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/delay.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/flash.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <asm/arch/tc.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/mux.h>
|
|
#include <asm/arch/fpga.h>
|
|
#include <asm/arch/common.h>
|
|
|
|
static struct resource smc91x_resources[] = {
|
|
[0] = {
|
|
.start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
|
|
.end = H2P2_DBG_FPGA_ETHR_START + 0xf,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = INT_730_MPU_EXT_NIRQ,
|
|
.end = 0,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static int __initdata p2_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 0};
|
|
|
|
static struct mtd_partition p2_partitions[] = {
|
|
/* bootloader (U-Boot, etc) in first sector */
|
|
{
|
|
.name = "bootloader",
|
|
.offset = 0,
|
|
.size = SZ_128K,
|
|
.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
|
|
},
|
|
/* rest of flash is a file system */
|
|
{
|
|
.name = "rootfs",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL,
|
|
.mask_flags = 0
|
|
},
|
|
};
|
|
|
|
static struct flash_platform_data p2_flash_data = {
|
|
.map_name = "cfi_probe",
|
|
.width = 2,
|
|
.parts = p2_partitions,
|
|
.nr_parts = ARRAY_SIZE(p2_partitions),
|
|
};
|
|
|
|
static struct resource p2_flash_resource = {
|
|
.start = OMAP_CS0_PHYS,
|
|
.end = OMAP_CS0_PHYS + SZ_32M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device p2_flash_device = {
|
|
.name = "omapflash",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &p2_flash_data,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &p2_flash_resource,
|
|
};
|
|
|
|
static struct platform_device smc91x_device = {
|
|
.name = "smc91x",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
|
.resource = smc91x_resources,
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&p2_flash_device,
|
|
&smc91x_device,
|
|
};
|
|
|
|
static void __init omap_perseus2_init(void)
|
|
{
|
|
(void) platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
static void __init perseus2_init_smc91x(void)
|
|
{
|
|
fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
|
|
mdelay(50);
|
|
fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
|
|
H2P2_DBG_FPGA_LAN_RESET);
|
|
mdelay(50);
|
|
}
|
|
|
|
void omap_perseus2_init_irq(void)
|
|
{
|
|
omap_init_irq();
|
|
omap_gpio_init();
|
|
perseus2_init_smc91x();
|
|
}
|
|
|
|
/* Only FPGA needs to be mapped here. All others are done with ioremap */
|
|
static struct map_desc omap_perseus2_io_desc[] __initdata = {
|
|
{
|
|
.virtual = H2P2_DBG_FPGA_BASE,
|
|
.pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
|
|
.length = H2P2_DBG_FPGA_SIZE,
|
|
.type = MT_DEVICE
|
|
}
|
|
};
|
|
|
|
static void __init omap_perseus2_map_io(void)
|
|
{
|
|
omap_map_common_io();
|
|
iotable_init(omap_perseus2_io_desc,
|
|
ARRAY_SIZE(omap_perseus2_io_desc));
|
|
|
|
/* Early, board-dependent init */
|
|
|
|
/*
|
|
* Hold GSM Reset until needed
|
|
*/
|
|
omap_writew(omap_readw(OMAP730_DSP_M_CTL) & ~1, OMAP730_DSP_M_CTL);
|
|
|
|
/*
|
|
* UARTs -> done automagically by 8250 driver
|
|
*/
|
|
|
|
/*
|
|
* CSx timings, GPIO Mux ... setup
|
|
*/
|
|
|
|
/* Flash: CS0 timings setup */
|
|
omap_writel(0x0000fff3, OMAP730_FLASH_CFG_0);
|
|
omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
|
|
|
|
/*
|
|
* Ethernet support trough the debug board
|
|
* CS1 timings setup
|
|
*/
|
|
omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);
|
|
omap_writel(0x00000000, OMAP730_FLASH_ACFG_1);
|
|
|
|
/*
|
|
* Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
|
|
* It is used as the Ethernet controller interrupt
|
|
*/
|
|
omap_writel(omap_readl(OMAP730_IO_CONF_9) & 0x1FFFFFFF, OMAP730_IO_CONF_9);
|
|
omap_serial_init(p2_serial_ports);
|
|
}
|
|
|
|
MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
|
|
/* Maintainer: Kevin Hilman <kjh@hilman.org> */
|
|
.phys_ram = 0x10000000,
|
|
.phys_io = 0xfff00000,
|
|
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
|
|
.boot_params = 0x10000100,
|
|
.map_io = omap_perseus2_map_io,
|
|
.init_irq = omap_perseus2_init_irq,
|
|
.init_machine = omap_perseus2_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|