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linux/arch/arm/mach-shmobile/board-ag5evm.c
Magnus Damm e74a9625f8 ARM: mach-shmobile: Run-time IRQ handler for GIC 
Break-out GIC specific IRQ demux code from the file
entry-macro-intc.S and register during run-time.

Covers sh73a0.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-01-07 10:42:56 +09:00

316 lines
8.1 KiB
C
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/*
* arch/arm/mach-shmobile/board-ag5evm.c
*
* Copyright (C) 2010 Takashi Yoshii <yoshii.takashi.zj@renesas.com>
* Copyright (C) 2009 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
*
* 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/io.h>
#include <linux/dma-mapping.h>
#include <linux/serial_sci.h>
#include <linux/smsc911x.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mmcif.h>
#include <sound/sh_fsi.h>
#include <mach/hardware.h>
#include <mach/sh73a0.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>
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/traps.h>
static struct resource smsc9220_resources[] = {
[0] = {
.start = 0x14000000,
.end = 0x14000000 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(33), /* PINT1 */
.flags = IORESOURCE_IRQ,
},
};
static struct smsc911x_platform_config smsc9220_platdata = {
.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
.phy_interface = PHY_INTERFACE_MODE_MII,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
};
static struct platform_device eth_device = {
.name = "smsc911x",
.id = 0,
.dev = {
.platform_data = &smsc9220_platdata,
},
.resource = smsc9220_resources,
.num_resources = ARRAY_SIZE(smsc9220_resources),
};
static struct sh_keysc_info keysc_platdata = {
.mode = SH_KEYSC_MODE_6,
.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_SPACE, KEY_9, KEY_6, KEY_3, KEY_WAKEUP, KEY_RIGHT, \
KEY_COFFEE,
KEY_0, KEY_8, KEY_5, KEY_2, KEY_DOWN, KEY_ENTER, KEY_UP,
KEY_KPASTERISK, KEY_7, KEY_4, KEY_1, KEY_STOP, KEY_LEFT, \
KEY_COMPUTER,
},
};
static struct resource keysc_resources[] = {
[0] = {
.name = "KEYSC",
.start = 0xe61b0000,
.end = 0xe61b0098 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(71),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device keysc_device = {
.name = "sh_keysc",
.id = 0,
.num_resources = ARRAY_SIZE(keysc_resources),
.resource = keysc_resources,
.dev = {
.platform_data = &keysc_platdata,
},
};
/* FSI A */
static struct sh_fsi_platform_info fsi_info = {
.porta_flags = SH_FSI_OUT_SLAVE_MODE |
SH_FSI_IN_SLAVE_MODE |
SH_FSI_OFMT(I2S) |
SH_FSI_IFMT(I2S),
};
static struct resource fsi_resources[] = {
[0] = {
.name = "FSI",
.start = 0xEC230000,
.end = 0xEC230400 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(146),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device fsi_device = {
.name = "sh_fsi2",
.id = -1,
.num_resources = ARRAY_SIZE(fsi_resources),
.resource = fsi_resources,
.dev = {
.platform_data = &fsi_info,
},
};
static struct resource sh_mmcif_resources[] = {
[0] = {
.name = "MMCIF",
.start = 0xe6bd0000,
.end = 0xe6bd00ff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = gic_spi(141),
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = gic_spi(140),
.flags = IORESOURCE_IRQ,
},
};
static struct sh_mmcif_plat_data sh_mmcif_platdata = {
.sup_pclk = 0,
.ocr = MMC_VDD_165_195,
.caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
};
static struct platform_device mmc_device = {
.name = "sh_mmcif",
.id = 0,
.dev = {
.dma_mask = NULL,
.coherent_dma_mask = 0xffffffff,
.platform_data = &sh_mmcif_platdata,
},
.num_resources = ARRAY_SIZE(sh_mmcif_resources),
.resource = sh_mmcif_resources,
};
static struct platform_device *ag5evm_devices[] __initdata = {
&eth_device,
&keysc_device,
&fsi_device,
&mmc_device,
};
static struct map_desc ag5evm_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 ag5evm_map_io(void)
{
iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));
/* setup early devices and console here as well */
sh73a0_add_early_devices();
shmobile_setup_console();
}
#define PINTC_ADDR 0xe6900000
#define PINTER0A (PINTC_ADDR + 0xa0)
#define PINTCR0A (PINTC_ADDR + 0xb0)
void __init ag5evm_init_irq(void)
{
sh73a0_init_irq();
/* setup PINT: enable PINTA2 as active low */
__raw_writel(__raw_readl(PINTER0A) | (1<<29), PINTER0A);
__raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
}
static void __init ag5evm_init(void)
{
sh73a0_pinmux_init();
/* enable SCIFA2 */
gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
/* enable KEYSC */
gpio_request(GPIO_FN_KEYIN0_PU, NULL);
gpio_request(GPIO_FN_KEYIN1_PU, NULL);
gpio_request(GPIO_FN_KEYIN2_PU, NULL);
gpio_request(GPIO_FN_KEYIN3_PU, NULL);
gpio_request(GPIO_FN_KEYIN4_PU, NULL);
gpio_request(GPIO_FN_KEYIN5_PU, NULL);
gpio_request(GPIO_FN_KEYIN6_PU, NULL);
gpio_request(GPIO_FN_KEYIN7_PU, NULL);
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_KEYOUT5, NULL);
gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
gpio_request(GPIO_FN_KEYOUT8, NULL);
gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
/* enable I2C channel 2 and 3 */
gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);
/* enable MMCIF */
gpio_request(GPIO_FN_MMCCLK0, NULL);
gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
gpio_request(GPIO_FN_MMCD0_0, NULL);
gpio_request(GPIO_FN_MMCD0_1, NULL);
gpio_request(GPIO_FN_MMCD0_2, NULL);
gpio_request(GPIO_FN_MMCD0_3, NULL);
gpio_request(GPIO_FN_MMCD0_4, NULL);
gpio_request(GPIO_FN_MMCD0_5, NULL);
gpio_request(GPIO_FN_MMCD0_6, NULL);
gpio_request(GPIO_FN_MMCD0_7, NULL);
gpio_request(GPIO_PORT208, NULL); /* Reset */
gpio_direction_output(GPIO_PORT208, 1);
/* enable SMSC911X */
gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
gpio_direction_input(GPIO_PORT144);
gpio_request(GPIO_PORT145, NULL); /* RESET */
gpio_direction_output(GPIO_PORT145, 1);
/* FSI A */
gpio_request(GPIO_FN_FSIACK, NULL);
gpio_request(GPIO_FN_FSIAILR, NULL);
gpio_request(GPIO_FN_FSIAIBT, NULL);
gpio_request(GPIO_FN_FSIAISLD, NULL);
gpio_request(GPIO_FN_FSIAOSLD, NULL);
#ifdef CONFIG_CACHE_L2X0
/* Shared attribute override enable, 64K*8way */
l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
#endif
sh73a0_add_standard_devices();
platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
}
static void __init ag5evm_timer_init(void)
{
sh73a0_clock_init();
shmobile_timer.init();
return;
}
struct sys_timer ag5evm_timer = {
.init = ag5evm_timer_init,
};
MACHINE_START(AG5EVM, "ag5evm")
.map_io = ag5evm_map_io,
.init_irq = ag5evm_init_irq,
.handle_irq = shmobile_handle_irq_gic,
.init_machine = ag5evm_init,
.timer = &ag5evm_timer,
MACHINE_END
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