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/*
* G4EVM board support
*
* Copyright (C) 2010 Magnus Damm
* Copyright (C) 2008 Yoshihiro Shimoda
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/usb/r8a66597.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <mach/sh7377.h>
#include <mach/common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
static struct mtd_partition nor_flash_partitions[] = {
{
.name = "loader",
.offset = 0x00000000,
.size = 512 * 1024,
},
{
.name = "bootenv",
.offset = MTDPART_OFS_APPEND,
.size = 512 * 1024,
},
{
.name = "kernel_ro",
.offset = MTDPART_OFS_APPEND,
.size = 8 * 1024 * 1024,
.mask_flags = MTD_WRITEABLE,
},
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = 8 * 1024 * 1024,
},
{
.name = "data",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct physmap_flash_data nor_flash_data = {
.width = 2,
.parts = nor_flash_partitions,
.nr_parts = ARRAY_SIZE(nor_flash_partitions),
};
static struct resource nor_flash_resources[] = {
[0] = {
.start = 0x00000000,
.end = 0x08000000 - 1,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device nor_flash_device = {
.name = "physmap-flash",
.dev = {
.platform_data = &nor_flash_data,
},
.num_resources = ARRAY_SIZE(nor_flash_resources),
.resource = nor_flash_resources,
};
/* USBHS */
void usb_host_port_power(int port, int power)
{
if (!power) /* only power-on supported for now */
return;
/* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
__raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
}
static struct r8a66597_platdata usb_host_data = {
.on_chip = 1,
.port_power = usb_host_port_power,
};
static struct resource usb_host_resources[] = {
[0] = {
.name = "USBHS",
.start = 0xe6890000,
.end = 0xe68900e5,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 65,
.end = 65,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device usb_host_device = {
.name = "r8a66597_hcd",
.id = 0,
.dev = {
.platform_data = &usb_host_data,
.dma_mask = NULL,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(usb_host_resources),
.resource = usb_host_resources,
};
static struct platform_device *g4evm_devices[] __initdata = {
&nor_flash_device,
&usb_host_device,
};
static struct map_desc g4evm_io_desc[] __initdata = {
/* create a 1:1 entity map for 0xe6xxxxxx
* used by CPGA, INTC and PFC.
*/
{
.virtual = 0xe6000000,
.pfn = __phys_to_pfn(0xe6000000),
.length = 256 << 20,
.type = MT_DEVICE_NONSHARED
},
};
static void __init g4evm_map_io(void)
{
iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc));
/* setup early devices, clocks and console here as well */
sh7377_add_early_devices();
sh7367_clock_init(); /* use g3 clocks for now */
shmobile_setup_console();
}
static void __init g4evm_init(void)
{
sh7377_pinmux_init();
/* Lit DS14 LED */
gpio_request(GPIO_PORT109, NULL);
gpio_direction_output(GPIO_PORT109, 1);
gpio_export(GPIO_PORT109, 1);
/* Lit DS15 LED */
gpio_request(GPIO_PORT110, NULL);
gpio_direction_output(GPIO_PORT110, 1);
gpio_export(GPIO_PORT110, 1);
/* Lit DS16 LED */
gpio_request(GPIO_PORT112, NULL);
gpio_direction_output(GPIO_PORT112, 1);
gpio_export(GPIO_PORT112, 1);
/* Lit DS17 LED */
gpio_request(GPIO_PORT113, NULL);
gpio_direction_output(GPIO_PORT113, 1);
gpio_export(GPIO_PORT113, 1);
/* USBHS */
gpio_request(GPIO_FN_VBUS_0, NULL);
gpio_request(GPIO_FN_PWEN, NULL);
gpio_request(GPIO_FN_OVCN, NULL);
gpio_request(GPIO_FN_OVCN2, NULL);
gpio_request(GPIO_FN_EXTLP, NULL);
gpio_request(GPIO_FN_IDIN, NULL);
/* enable clock in SMSTPCR3 */
__raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c);
/* setup USB phy */
__raw_writew(0x0200, 0xe605810a); /* USBCR1 */
__raw_writew(0x00e0, 0xe60581c0); /* CPFCH */
__raw_writew(0x6010, 0xe60581c6); /* CGPOSR */
__raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */
sh7377_add_standard_devices();
platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices));
}
MACHINE_START(G4EVM, "g4evm")
.phys_io = 0xe6000000,
.io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
.map_io = g4evm_map_io,
.init_irq = sh7377_init_irq,
.init_machine = g4evm_init,
.timer = &shmobile_timer,
MACHINE_END
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