- 根目录:
- arch
- arm
- mach-shmobile
- board-g3evm.c
/*
* G3EVM 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/mtd/sh_flctl.h>
#include <linux/usb/r8a66597.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <mach/sh7367.h>
#include <mach/common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
/*
* IrDA
*
* S67: 5bit : ON power
* : 6bit : ON remote control
* OFF IrDA
*/
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 */
static 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 = evt2irq(0xa20), /* USBHS_USHI0 */
.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,
};
/* KEYSC */
static struct sh_keysc_info keysc_info = {
.mode = SH_KEYSC_MODE_5,
.scan_timing = 3,
.delay = 100,
.keycodes = {
KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
KEY_WAKEUP, KEY_COFFEE, KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
},
};
static struct resource keysc_resources[] = {
[0] = {
.name = "KEYSC",
.start = 0xe61b0000,
.end = 0xe61b000f,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0xbe0), /* KEYSC_KEY */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device keysc_device = {
.name = "sh_keysc",
.num_resources = ARRAY_SIZE(keysc_resources),
.resource = keysc_resources,
.dev = {
.platform_data = &keysc_info,
},
};
static struct mtd_partition nand_partition_info[] = {
{
.name = "system",
.offset = 0,
.size = 64 * 1024 * 1024,
},
{
.name = "userdata",
.offset = MTDPART_OFS_APPEND,
.size = 128 * 1024 * 1024,
},
{
.name = "cache",
.offset = MTDPART_OFS_APPEND,
.size = 64 * 1024 * 1024,
},
};
static struct resource nand_flash_resources[] = {
[0] = {
.start = 0xe6a30000,
.end = 0xe6a3009b,
.flags = IORESOURCE_MEM,
}
};
static struct sh_flctl_platform_data nand_flash_data = {
.parts = nand_partition_info,
.nr_parts = ARRAY_SIZE(nand_partition_info),
.flcmncr_val = QTSEL_E | FCKSEL_E | TYPESEL_SET | NANWF_E
| SHBUSSEL | SEL_16BIT,
};
static struct platform_device nand_flash_device = {
.name = "sh_flctl",
.resource = nand_flash_resources,
.num_resources = ARRAY_SIZE(nand_flash_resources),
.dev = {
.platform_data = &nand_flash_data,
},
};
static struct resource irda_resources[] = {
[0] = {
.start = 0xE6D00000,
.end = 0xE6D01FD4 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x480), /* IRDA */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device irda_device = {
.name = "sh_irda",
.id = -1,
.resource = irda_resources,
.num_resources = ARRAY_SIZE(irda_resources),
};
static struct platform_device *g3evm_devices[] __initdata = {
&nor_flash_device,
&usb_host_device,
&keysc_device,
&nand_flash_device,
&irda_device,
};
static struct map_desc g3evm_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 g3evm_map_io(void)
{
iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc));
/* setup early devices and console here as well */
sh7367_add_early_devices();
shmobile_setup_console();
}
static void __init g3evm_init(void)
{
sh7367_pinmux_init();
/* Lit DS4 LED */
gpio_request(GPIO_PORT22, NULL);
gpio_direction_output(GPIO_PORT22, 1);
gpio_export(GPIO_PORT22, 0);
/* Lit DS8 LED */
gpio_request(GPIO_PORT23, NULL);
gpio_direction_output(GPIO_PORT23, 1);
gpio_export(GPIO_PORT23, 0);
/* Lit DS3 LED */
gpio_request(GPIO_PORT24, NULL);
gpio_direction_output(GPIO_PORT24, 1);
gpio_export(GPIO_PORT24, 0);
/* SCIFA1 */
gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
gpio_request(GPIO_FN_SCIFA1_CTS, NULL);
gpio_request(GPIO_FN_SCIFA1_RTS, NULL);
/* USBHS */
gpio_request(GPIO_FN_VBUS0, 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);
/* setup USB phy */
__raw_writew(0x0300, 0xe605810a); /* USBCR1 */
__raw_writew(0x00e0, 0xe60581c0); /* CPFCH */
__raw_writew(0x6010, 0xe60581c6); /* CGPOSR */
__raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */
/* KEYSC @ CN7 */
gpio_request(GPIO_FN_PORT42_KEYOUT0, NULL);
gpio_request(GPIO_FN_PORT43_KEYOUT1, NULL);
gpio_request(GPIO_FN_PORT44_KEYOUT2, NULL);
gpio_request(GPIO_FN_PORT45_KEYOUT3, NULL);
gpio_request(GPIO_FN_PORT46_KEYOUT4, NULL);
gpio_request(GPIO_FN_PORT47_KEYOUT5, NULL);
gpio_request(GPIO_FN_PORT48_KEYIN0_PU, NULL);
gpio_request(GPIO_FN_PORT49_KEYIN1_PU, NULL);
gpio_request(GPIO_FN_PORT50_KEYIN2_PU, NULL);
gpio_request(GPIO_FN_PORT55_KEYIN3_PU, NULL);
gpio_request(GPIO_FN_PORT56_KEYIN4_PU, NULL);
gpio_request(GPIO_FN_PORT57_KEYIN5_PU, NULL);
gpio_request(GPIO_FN_PORT58_KEYIN6_PU, NULL);
/* FLCTL */
gpio_request(GPIO_FN_FCE0, NULL);
gpio_request(GPIO_FN_D0_ED0_NAF0, NULL);
gpio_request(GPIO_FN_D1_ED1_NAF1, NULL);
gpio_request(GPIO_FN_D2_ED2_NAF2, NULL);
gpio_request(GPIO_FN_D3_ED3_NAF3, NULL);
gpio_request(GPIO_FN_D4_ED4_NAF4, NULL);
gpio_request(GPIO_FN_D5_ED5_NAF5, NULL);
gpio_request(GPIO_FN_D6_ED6_NAF6, NULL);
gpio_request(GPIO_FN_D7_ED7_NAF7, NULL);
gpio_request(GPIO_FN_D8_ED8_NAF8, NULL);
gpio_request(GPIO_FN_D9_ED9_NAF9, NULL);
gpio_request(GPIO_FN_D10_ED10_NAF10, NULL);
gpio_request(GPIO_FN_D11_ED11_NAF11, NULL);
gpio_request(GPIO_FN_D12_ED12_NAF12, NULL);
gpio_request(GPIO_FN_D13_ED13_NAF13, NULL);
gpio_request(GPIO_FN_D14_ED14_NAF14, NULL);
gpio_request(GPIO_FN_D15_ED15_NAF15, NULL);
gpio_request(GPIO_FN_WE0_XWR0_FWE, NULL);
gpio_request(GPIO_FN_FRB, NULL);
/* FOE, FCDE, FSC on dedicated pins */
__raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048);
/* IrDA */
gpio_request(GPIO_FN_IRDA_OUT, NULL);
gpio_request(GPIO_FN_IRDA_IN, NULL);
gpio_request(GPIO_FN_IRDA_FIRSEL, NULL);
sh7367_add_standard_devices();
platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices));
}
static void __init g3evm_timer_init(void)
{
sh7367_clock_init();
shmobile_timer.init();
}
static struct sys_timer g3evm_timer = {
.init = g3evm_timer_init,
};
MACHINE_START(G3EVM, "g3evm")
.map_io = g3evm_map_io,
.init_irq = sh7367_init_irq,
.handle_irq = shmobile_handle_irq_intc,
.init_machine = g3evm_init,
.timer = &g3evm_timer,
MACHINE_END