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sh: Add USB support for EcoVec24 

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
hifive-unleashed-5.1
Kuninori Morimoto 2009-08-26 11:04:31 +00:00 committed by Paul Mundt
parent 35a3540891
commit 907050a33d
1 changed files with 97 additions and 0 deletions
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97
arch/sh/boards/mach-ecovec24/setup.c
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@ -16,6 +16,7 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/usb/r8a66597.h>
#include <asm/heartbeat.h>
#include <asm/sh_eth.h>
#include <cpu/sh7724.h>
@ -126,10 +127,96 @@ static struct platform_device sh_eth_device = {
.resource = sh_eth_resources,
};
/* USB0 host */
void usb0_port_power(int port, int power)
{
gpio_set_value(GPIO_PTB4, power);
}
static struct r8a66597_platdata usb0_host_data = {
.on_chip = 1,
.port_power = usb0_port_power,
};
static struct resource usb0_host_resources[] = {
[0] = {
.start = 0xa4d80000,
.end = 0xa4d80124 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 65,
.end = 65,
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
},
};
static struct platform_device usb0_host_device = {
.name = "r8a66597_hcd",
.id = 0,
.dev = {
.dma_mask = NULL, /* not use dma */
.coherent_dma_mask = 0xffffffff,
.platform_data = &usb0_host_data,
},
.num_resources = ARRAY_SIZE(usb0_host_resources),
.resource = usb0_host_resources,
};
/*
* USB1
*
* CN5 can use both host/function,
* and we can determine it by checking PTB[3]
*
* This time only USB1 host is supported.
*/
void usb1_port_power(int port, int power)
{
if (!gpio_get_value(GPIO_PTB3)) {
printk(KERN_ERR "USB1 function is not supported\n");
return;
}
gpio_set_value(GPIO_PTB5, power);
}
static struct r8a66597_platdata usb1_host_data = {
.on_chip = 1,
.port_power = usb1_port_power,
};
static struct resource usb1_host_resources[] = {
[0] = {
.start = 0xa4d90000,
.end = 0xa4d90124 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 66,
.end = 66,
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
},
};
static struct platform_device usb1_host_device = {
.name = "r8a66597_hcd",
.id = 1,
.dev = {
.dma_mask = NULL, /* not use dma */
.coherent_dma_mask = 0xffffffff,
.platform_data = &usb1_host_data,
},
.num_resources = ARRAY_SIZE(usb1_host_resources),
.resource = usb1_host_resources,
};
static struct platform_device *ecovec_devices[] __initdata = {
&heartbeat_device,
&nor_flash_device,
&sh_eth_device,
&usb0_host_device,
&usb1_host_device, /* USB1 host support */
};
static int __init devices_setup(void)
@ -165,6 +252,16 @@ static int __init devices_setup(void)
gpio_request(GPIO_FN_MDC, NULL);
gpio_request(GPIO_FN_LNKSTA, NULL);
/* enable USB */
gpio_request(GPIO_PTB3, NULL);
gpio_request(GPIO_PTB4, NULL);
gpio_request(GPIO_PTB5, NULL);
gpio_direction_input(GPIO_PTB3);
gpio_direction_output(GPIO_PTB4, 0);
gpio_direction_output(GPIO_PTB5, 0);
ctrl_outw(0x0600, 0xa40501d4);
ctrl_outw(0x0600, 0xa4050192);
return platform_add_devices(ecovec_devices,
ARRAY_SIZE(ecovec_devices));
}