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|
/*
* AP4EVB 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/i2c.h>
#include <linux/i2c/tsc2007.h>
#include <linux/io.h>
#include <linux/smsc911x.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <linux/usb/r8a66597.h>
#include <mach/common.h>
#include <mach/sh7372.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
/*
* Address Interface BusWidth note
* ------------------------------------------------------------------
* 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
* 0x0800_0000 user area -
* 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
* 0x1400_0000 Ether (LAN9220) 16bit
* 0x1600_0000 user area - cannot use with NAND
* 0x1800_0000 user area -
* 0x1A00_0000 -
* 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
*/
/*
* NOR Flash ROM
*
* SW1 | SW2 | SW7 | NOR Flash ROM
* bit1 | bit1 bit2 | bit1 | Memory allocation
* ------+------------+------+------------------
* OFF | ON OFF | ON | Area 0
* OFF | ON OFF | OFF | Area 4
*/
/*
* NAND Flash ROM
*
* SW1 | SW2 | SW7 | NAND Flash ROM
* bit1 | bit1 bit2 | bit2 | Memory allocation
* ------+------------+------+------------------
* OFF | ON OFF | ON | FCE 0
* OFF | ON OFF | OFF | FCE 1
*/
/*
* SMSC 9220
*
* SW1 SMSC 9220
* -----------------------
* ON access disable
* OFF access enable
*/
/*
* LCD / IRQ / KEYSC / IrDA
*
* IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (TouchScreen)
* LCD = 2nd LCDC
*
* | SW43 |
* SW3 | ON | OFF |
* -------------+-----------------------+---------------+
* ON | KEY / IrDA | LCD |
* OFF | KEY / IrDA / IRQ | IRQ |
*/
/*
* USB
*
* J7 : 1-2 MAX3355E VBUS
* 2-3 DC 5.0V
*
* S39: bit2: off
*/
/* MTD */
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,
};
/* SMSC 9220 */
static struct resource smc911x_resources[] = {
{
.start = 0x14000000,
.end = 0x16000000 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = 6,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
},
};
static struct smsc911x_platform_config smsc911x_info = {
.flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
};
static struct platform_device smc911x_device = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smc911x_resources),
.resource = smc911x_resources,
.dev = {
.platform_data = &smsc911x_info,
},
};
/* KEYSC (Needs SW43 set to ON) */
static struct sh_keysc_info keysc_info = {
.mode = SH_KEYSC_MODE_1,
.scan_timing = 3,
.delay = 2500,
.keycodes = {
KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
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,
},
};
static struct resource keysc_resources[] = {
[0] = {
.name = "KEYSC",
.start = 0xe61b0000,
.end = 0xe61b0063,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 79,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device keysc_device = {
.name = "sh_keysc",
.id = 0, /* "keysc0" clock */
.num_resources = ARRAY_SIZE(keysc_resources),
.resource = keysc_resources,
.dev = {
.platform_data = &keysc_info,
},
};
/* SDHI0 */
static struct resource sdhi0_resources[] = {
[0] = {
.name = "SDHI0",
.start = 0xe6850000,
.end = 0xe68501ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 96,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sdhi0_device = {
.name = "sh_mobile_sdhi",
.num_resources = ARRAY_SIZE(sdhi0_resources),
.resource = sdhi0_resources,
.id = 0,
};
/* USB1 */
void usb1_host_port_power(int port, int power)
{
if (!power) /* only power-on supported for now */
return;
/* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
__raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
}
static struct r8a66597_platdata usb1_host_data = {
.on_chip = 1,
.port_power = usb1_host_port_power,
};
static struct resource usb1_host_resources[] = {
[0] = {
.name = "USBHS",
.start = 0xE68B0000,
.end = 0xE68B00E6 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 215,
.end = 215,
.flags = IORESOURCE_IRQ,
},
};
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 *ap4evb_devices[] __initdata = {
&nor_flash_device,
&smc911x_device,
&keysc_device,
&sdhi0_device,
&usb1_host_device,
};
/* TouchScreen (Needs SW3 set to OFF) */
#define IRQ28 396
struct tsc2007_platform_data tsc2007_info = {
.model = 2007,
.x_plate_ohms = 180,
};
/* I2C */
static struct i2c_board_info i2c1_devices[] = {
{
I2C_BOARD_INFO("r2025sd", 0x32),
},
{
I2C_BOARD_INFO("tsc2007", 0x48),
.type = "tsc2007",
.platform_data = &tsc2007_info,
.irq = IRQ28,
},
};
static struct map_desc ap4evb_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 ap4evb_map_io(void)
{
iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
/* setup early devices and console here as well */
sh7372_add_early_devices();
shmobile_setup_console();
}
static void __init ap4evb_init(void)
{
sh7372_pinmux_init();
/* enable SCIFA0 */
gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
/* enable SMSC911X */
gpio_request(GPIO_FN_CS5A, NULL);
gpio_request(GPIO_FN_IRQ6_39, NULL);
/* enable LED 1 - 4 */
gpio_request(GPIO_PORT185, NULL);
gpio_request(GPIO_PORT186, NULL);
gpio_request(GPIO_PORT187, NULL);
gpio_request(GPIO_PORT188, NULL);
gpio_direction_output(GPIO_PORT185, 1);
gpio_direction_output(GPIO_PORT186, 1);
gpio_direction_output(GPIO_PORT187, 1);
gpio_direction_output(GPIO_PORT188, 1);
gpio_export(GPIO_PORT185, 0);
gpio_export(GPIO_PORT186, 0);
gpio_export(GPIO_PORT187, 0);
gpio_export(GPIO_PORT188, 0);
/* enable Debug switch (S6) */
gpio_request(GPIO_PORT32, NULL);
gpio_request(GPIO_PORT33, NULL);
gpio_request(GPIO_PORT34, NULL);
gpio_request(GPIO_PORT35, NULL);
gpio_direction_input(GPIO_PORT32);
gpio_direction_input(GPIO_PORT33);
gpio_direction_input(GPIO_PORT34);
gpio_direction_input(GPIO_PORT35);
gpio_export(GPIO_PORT32, 0);
gpio_export(GPIO_PORT33, 0);
gpio_export(GPIO_PORT34, 0);
gpio_export(GPIO_PORT35, 0);
/* enable KEYSC */
gpio_request(GPIO_FN_KEYOUT0, NULL);
gpio_request(GPIO_FN_KEYOUT1, NULL);
gpio_request(GPIO_FN_KEYOUT2, NULL);
gpio_request(GPIO_FN_KEYOUT3, NULL);
gpio_request(GPIO_FN_KEYOUT4, NULL);
gpio_request(GPIO_FN_KEYIN0_136, NULL);
gpio_request(GPIO_FN_KEYIN1_135, NULL);
gpio_request(GPIO_FN_KEYIN2_134, NULL);
gpio_request(GPIO_FN_KEYIN3_133, NULL);
gpio_request(GPIO_FN_KEYIN4, NULL);
/* SDHI0 */
gpio_request(GPIO_FN_SDHICD0, NULL);
gpio_request(GPIO_FN_SDHIWP0, NULL);
gpio_request(GPIO_FN_SDHICMD0, NULL);
gpio_request(GPIO_FN_SDHICLK0, NULL);
gpio_request(GPIO_FN_SDHID0_3, NULL);
gpio_request(GPIO_FN_SDHID0_2, NULL);
gpio_request(GPIO_FN_SDHID0_1, NULL);
gpio_request(GPIO_FN_SDHID0_0, NULL);
/* enable TouchScreen */
gpio_request(GPIO_FN_IRQ28_123, NULL);
set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
i2c_register_board_info(1, i2c1_devices,
ARRAY_SIZE(i2c1_devices));
/* USB enable */
gpio_request(GPIO_FN_VBUS0_1, NULL);
gpio_request(GPIO_FN_IDIN_1_18, NULL);
gpio_request(GPIO_FN_PWEN_1_115, NULL);
gpio_request(GPIO_FN_OVCN_1_114, NULL);
gpio_request(GPIO_FN_EXTLP_1, NULL);
gpio_request(GPIO_FN_OVCN2_1, NULL);
/* setup USB phy */
__raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
sh7372_add_standard_devices();
platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
}
static void __init ap4evb_timer_init(void)
{
sh7372_clock_init();
shmobile_timer.init();
}
static struct sys_timer ap4evb_timer = {
.init = ap4evb_timer_init,
};
MACHINE_START(AP4EVB, "ap4evb")
.phys_io = 0xe6000000,
.io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
.map_io = ap4evb_map_io,
.init_irq = sh7372_init_irq,
.init_machine = ap4evb_init,
.timer = &ap4evb_timer,
MACHINE_END
|
