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Diffstat (limited to 'arch/arm/mach-pxa/zeus.c')
-rw-r--r--arch/arm/mach-pxa/zeus.c240
1 files changed, 129 insertions, 111 deletions
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index dea46a2d089..205f9bf3821 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -20,33 +20,36 @@
#include <linux/dm9000.h>
#include <linux/mmc/host.h>
#include <linux/spi/spi.h>
+#include <linux/spi/pxa2xx_spi.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/i2c.h>
-#include <linux/i2c/pca953x.h>
+#include <linux/i2c/pxa-i2c.h>
+#include <linux/platform_data/pca953x.h>
#include <linux/apm-emulation.h>
#include <linux/can/platform/mcp251x.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
#include <asm/mach-types.h>
+#include <asm/suspend.h>
+#include <asm/system_info.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
-#include <plat/i2c.h>
-
-#include <mach/pxa2xx-regs.h>
+#include <mach/pxa27x.h>
#include <mach/regs-uart.h>
-#include <mach/ohci.h>
-#include <mach/mmc.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+#include <linux/platform_data/mmc-pxamci.h>
#include <mach/pxa27x-udc.h>
#include <mach/udc.h>
-#include <mach/pxafb.h>
-#include <mach/pxa2xx_spi.h>
-#include <mach/mfp-pxa27x.h>
+#include <linux/platform_data/video-pxafb.h>
#include <mach/pm.h>
#include <mach/audio.h>
-#include <mach/arcom-pcmcia.h>
+#include <linux/platform_data/pcmcia-pxa2xx_viper.h>
#include <mach/zeus.h>
+#include <mach/smemc.h>
#include "generic.h"
@@ -82,19 +85,19 @@ static inline int zeus_bit_to_irq(int bit)
return zeus_isa_irqs[bit] + PXA_ISA_IRQ(0);
}
-static void zeus_ack_irq(unsigned int irq)
+static void zeus_ack_irq(struct irq_data *d)
{
- __raw_writew(zeus_irq_to_bitmask(irq), ZEUS_CPLD_ISA_IRQ);
+ __raw_writew(zeus_irq_to_bitmask(d->irq), ZEUS_CPLD_ISA_IRQ);
}
-static void zeus_mask_irq(unsigned int irq)
+static void zeus_mask_irq(struct irq_data *d)
{
- zeus_irq_enabled_mask &= ~(zeus_irq_to_bitmask(irq));
+ zeus_irq_enabled_mask &= ~(zeus_irq_to_bitmask(d->irq));
}
-static void zeus_unmask_irq(unsigned int irq)
+static void zeus_unmask_irq(struct irq_data *d)
{
- zeus_irq_enabled_mask |= zeus_irq_to_bitmask(irq);
+ zeus_irq_enabled_mask |= zeus_irq_to_bitmask(d->irq);
}
static inline unsigned long zeus_irq_pending(void)
@@ -110,7 +113,7 @@ static void zeus_irq_handler(unsigned int irq, struct irq_desc *desc)
do {
/* we're in a chained irq handler,
* so ack the interrupt by hand */
- desc->chip->ack(gpio_to_irq(ZEUS_ISA_GPIO));
+ desc->irq_data.chip->irq_ack(&desc->irq_data);
if (likely(pending)) {
irq = zeus_bit_to_irq(__ffs(pending));
@@ -121,10 +124,10 @@ static void zeus_irq_handler(unsigned int irq, struct irq_desc *desc)
}
static struct irq_chip zeus_irq_chip = {
- .name = "ISA",
- .ack = zeus_ack_irq,
- .mask = zeus_mask_irq,
- .unmask = zeus_unmask_irq,
+ .name = "ISA",
+ .irq_ack = zeus_ack_irq,
+ .irq_mask = zeus_mask_irq,
+ .irq_unmask = zeus_unmask_irq,
};
static void __init zeus_init_irq(void)
@@ -136,22 +139,23 @@ static void __init zeus_init_irq(void)
/* Peripheral IRQs. It would be nice to move those inside driver
configuration, but it is not supported at the moment. */
- set_irq_type(gpio_to_irq(ZEUS_AC97_GPIO), IRQ_TYPE_EDGE_RISING);
- set_irq_type(gpio_to_irq(ZEUS_WAKEUP_GPIO), IRQ_TYPE_EDGE_RISING);
- set_irq_type(gpio_to_irq(ZEUS_PTT_GPIO), IRQ_TYPE_EDGE_RISING);
- set_irq_type(gpio_to_irq(ZEUS_EXTGPIO_GPIO), IRQ_TYPE_EDGE_FALLING);
- set_irq_type(gpio_to_irq(ZEUS_CAN_GPIO), IRQ_TYPE_EDGE_FALLING);
+ irq_set_irq_type(gpio_to_irq(ZEUS_AC97_GPIO), IRQ_TYPE_EDGE_RISING);
+ irq_set_irq_type(gpio_to_irq(ZEUS_WAKEUP_GPIO), IRQ_TYPE_EDGE_RISING);
+ irq_set_irq_type(gpio_to_irq(ZEUS_PTT_GPIO), IRQ_TYPE_EDGE_RISING);
+ irq_set_irq_type(gpio_to_irq(ZEUS_EXTGPIO_GPIO),
+ IRQ_TYPE_EDGE_FALLING);
+ irq_set_irq_type(gpio_to_irq(ZEUS_CAN_GPIO), IRQ_TYPE_EDGE_FALLING);
/* Setup ISA IRQs */
for (level = 0; level < ARRAY_SIZE(zeus_isa_irqs); level++) {
isa_irq = zeus_bit_to_irq(level);
- set_irq_chip(isa_irq, &zeus_irq_chip);
- set_irq_handler(isa_irq, handle_edge_irq);
+ irq_set_chip_and_handler(isa_irq, &zeus_irq_chip,
+ handle_edge_irq);
set_irq_flags(isa_irq, IRQF_VALID | IRQF_PROBE);
}
- set_irq_type(gpio_to_irq(ZEUS_ISA_GPIO), IRQ_TYPE_EDGE_RISING);
- set_irq_chained_handler(gpio_to_irq(ZEUS_ISA_GPIO), zeus_irq_handler);
+ irq_set_irq_type(gpio_to_irq(ZEUS_ISA_GPIO), IRQ_TYPE_EDGE_RISING);
+ irq_set_chained_handler(gpio_to_irq(ZEUS_ISA_GPIO), zeus_irq_handler);
}
@@ -232,7 +236,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
/* FIXME: Shared IRQs on COM1-COM4 will not work properly on v1i1 hardware. */
{ /* COM1 */
.mapbase = 0x10000000,
- .irq = gpio_to_irq(ZEUS_UARTA_GPIO),
+ .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTA_GPIO),
.irqflags = IRQF_TRIGGER_RISING,
.uartclk = 14745600,
.regshift = 1,
@@ -241,7 +245,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
},
{ /* COM2 */
.mapbase = 0x10800000,
- .irq = gpio_to_irq(ZEUS_UARTB_GPIO),
+ .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTB_GPIO),
.irqflags = IRQF_TRIGGER_RISING,
.uartclk = 14745600,
.regshift = 1,
@@ -250,7 +254,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
},
{ /* COM3 */
.mapbase = 0x11000000,
- .irq = gpio_to_irq(ZEUS_UARTC_GPIO),
+ .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTC_GPIO),
.irqflags = IRQF_TRIGGER_RISING,
.uartclk = 14745600,
.regshift = 1,
@@ -259,7 +263,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
},
{ /* COM4 */
.mapbase = 0x11800000,
- .irq = gpio_to_irq(ZEUS_UARTD_GPIO),
+ .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTD_GPIO),
.irqflags = IRQF_TRIGGER_RISING,
.uartclk = 14745600,
.regshift = 1,
@@ -320,8 +324,8 @@ static struct resource zeus_dm9k0_resource[] = {
.flags = IORESOURCE_MEM
},
[2] = {
- .start = gpio_to_irq(ZEUS_ETH0_GPIO),
- .end = gpio_to_irq(ZEUS_ETH0_GPIO),
+ .start = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO),
+ .end = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
},
};
@@ -338,8 +342,8 @@ static struct resource zeus_dm9k1_resource[] = {
.flags = IORESOURCE_MEM,
},
[2] = {
- .start = gpio_to_irq(ZEUS_ETH1_GPIO),
- .end = gpio_to_irq(ZEUS_ETH1_GPIO),
+ .start = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO),
+ .end = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
},
};
@@ -389,40 +393,41 @@ static struct pxa2xx_spi_master pxa2xx_spi_ssp3_master_info = {
};
/* CAN bus on SPI */
-static int zeus_mcp2515_setup(struct spi_device *sdev)
-{
- int err;
-
- err = gpio_request(ZEUS_CAN_SHDN_GPIO, "CAN shutdown");
- if (err)
- return err;
+static struct regulator_consumer_supply can_regulator_consumer =
+ REGULATOR_SUPPLY("vdd", "spi3.0");
- err = gpio_direction_output(ZEUS_CAN_SHDN_GPIO, 1);
- if (err) {
- gpio_free(ZEUS_CAN_SHDN_GPIO);
- return err;
- }
+static struct regulator_init_data can_regulator_init_data = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .consumer_supplies = &can_regulator_consumer,
+ .num_consumer_supplies = 1,
+};
- return 0;
-}
+static struct fixed_voltage_config can_regulator_pdata = {
+ .supply_name = "CAN_SHDN",
+ .microvolts = 3300000,
+ .gpio = ZEUS_CAN_SHDN_GPIO,
+ .init_data = &can_regulator_init_data,
+};
-static int zeus_mcp2515_transceiver_enable(int enable)
-{
- gpio_set_value(ZEUS_CAN_SHDN_GPIO, !enable);
- return 0;
-}
+static struct platform_device can_regulator_device = {
+ .name = "reg-fixed-volage",
+ .id = 0,
+ .dev = {
+ .platform_data = &can_regulator_pdata,
+ },
+};
static struct mcp251x_platform_data zeus_mcp2515_pdata = {
.oscillator_frequency = 16*1000*1000,
- .board_specific_setup = zeus_mcp2515_setup,
- .power_enable = zeus_mcp2515_transceiver_enable,
};
static struct spi_board_info zeus_spi_board_info[] = {
[0] = {
.modalias = "mcp2515",
.platform_data = &zeus_mcp2515_pdata,
- .irq = gpio_to_irq(ZEUS_CAN_GPIO),
+ .irq = PXA_GPIO_TO_IRQ(ZEUS_CAN_GPIO),
.max_speed_hz = 1*1000*1000,
.bus_num = 3,
.mode = SPI_MODE_0,
@@ -505,17 +510,6 @@ struct platform_device zeus_max6369_device = {
.num_resources = 1,
};
-static struct platform_device *zeus_devices[] __initdata = {
- &zeus_serial_device,
- &zeus_mtd_devices[0],
- &zeus_dm9k0_device,
- &zeus_dm9k1_device,
- &zeus_sram_device,
- &zeus_leds_device,
- &zeus_pcmcia_device,
- &zeus_max6369_device,
-};
-
/* AC'97 */
static pxa2xx_audio_ops_t zeus_ac97_info = {
.reset_gpio = 95,
@@ -526,44 +520,50 @@ static pxa2xx_audio_ops_t zeus_ac97_info = {
* USB host
*/
-static int zeus_ohci_init(struct device *dev)
-{
- int err;
-
- /* Switch on port 2. */
- if ((err = gpio_request(ZEUS_USB2_PWREN_GPIO, "USB2_PWREN"))) {
- dev_err(dev, "Can't request USB2_PWREN\n");
- return err;
- }
-
- if ((err = gpio_direction_output(ZEUS_USB2_PWREN_GPIO, 1))) {
- gpio_free(ZEUS_USB2_PWREN_GPIO);
- dev_err(dev, "Can't enable USB2_PWREN\n");
- return err;
- }
+static struct regulator_consumer_supply zeus_ohci_regulator_supplies[] = {
+ REGULATOR_SUPPLY("vbus2", "pxa27x-ohci"),
+};
- /* Port 2 is shared between host and client interface. */
- UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
+static struct regulator_init_data zeus_ohci_regulator_data = {
+ .constraints = {
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(zeus_ohci_regulator_supplies),
+ .consumer_supplies = zeus_ohci_regulator_supplies,
+};
- return 0;
-}
+static struct fixed_voltage_config zeus_ohci_regulator_config = {
+ .supply_name = "vbus2",
+ .microvolts = 5000000, /* 5.0V */
+ .gpio = ZEUS_USB2_PWREN_GPIO,
+ .enable_high = 1,
+ .startup_delay = 0,
+ .init_data = &zeus_ohci_regulator_data,
+};
-static void zeus_ohci_exit(struct device *dev)
-{
- /* Power-off port 2 */
- gpio_direction_output(ZEUS_USB2_PWREN_GPIO, 0);
- gpio_free(ZEUS_USB2_PWREN_GPIO);
-}
+static struct platform_device zeus_ohci_regulator_device = {
+ .name = "reg-fixed-voltage",
+ .id = 1,
+ .dev = {
+ .platform_data = &zeus_ohci_regulator_config,
+ },
+};
static struct pxaohci_platform_data zeus_ohci_platform_data = {
.port_mode = PMM_NPS_MODE,
/* Clear Power Control Polarity Low and set Power Sense
* Polarity Low. Supply power to USB ports. */
.flags = ENABLE_PORT_ALL | POWER_SENSE_LOW,
- .init = zeus_ohci_init,
- .exit = zeus_ohci_exit,
};
+static void zeus_register_ohci(void)
+{
+ /* Port 2 is shared between host and client interface. */
+ UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE;
+
+ pxa_set_ohci_info(&zeus_ohci_platform_data);
+}
+
/*
* Flat Panel
*/
@@ -671,11 +671,24 @@ static struct pxa2xx_udc_mach_info zeus_udc_info = {
.udc_command = zeus_udc_command,
};
+static struct platform_device *zeus_devices[] __initdata = {
+ &zeus_serial_device,
+ &zeus_mtd_devices[0],
+ &zeus_dm9k0_device,
+ &zeus_dm9k1_device,
+ &zeus_sram_device,
+ &zeus_leds_device,
+ &zeus_pcmcia_device,
+ &zeus_max6369_device,
+ &can_regulator_device,
+ &zeus_ohci_regulator_device,
+};
+
#ifdef CONFIG_PM
static void zeus_power_off(void)
{
local_irq_disable();
- pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP);
+ cpu_suspend(PWRMODE_DEEPSLEEP, pxa27x_finish_suspend);
}
#else
#define zeus_power_off NULL
@@ -752,7 +765,7 @@ static struct i2c_board_info __initdata zeus_i2c_devices[] = {
{
I2C_BOARD_INFO("pca9535", 0x20),
.platform_data = &zeus_pca953x_pdata[2],
- .irq = gpio_to_irq(ZEUS_EXTGPIO_GPIO),
+ .irq = PXA_GPIO_TO_IRQ(ZEUS_EXTGPIO_GPIO),
},
{ I2C_BOARD_INFO("lm75a", 0x48) },
{ I2C_BOARD_INFO("24c01", 0x50) },
@@ -823,13 +836,16 @@ static mfp_cfg_t zeus_pin_config[] __initdata = {
static void __init zeus_init(void)
{
u16 dm9000_msc = DM9K_MSC_VALUE;
+ u32 msc0, msc1;
system_rev = __raw_readw(ZEUS_CPLD_VERSION);
pr_info("Zeus CPLD V%dI%d\n", (system_rev & 0xf0) >> 4, (system_rev & 0x0f));
/* Fix timings for dm9000s (CS1/CS2)*/
- MSC0 = (MSC0 & 0xffff) | (dm9000_msc << 16);
- MSC1 = (MSC1 & 0xffff0000) | dm9000_msc;
+ msc0 = (__raw_readl(MSC0) & 0x0000ffff) | (dm9000_msc << 16);
+ msc1 = (__raw_readl(MSC1) & 0xffff0000) | dm9000_msc;
+ __raw_writel(msc0, MSC0);
+ __raw_writel(msc1, MSC1);
pm_power_off = zeus_power_off;
zeus_setup_apm();
@@ -838,12 +854,12 @@ static void __init zeus_init(void)
platform_add_devices(zeus_devices, ARRAY_SIZE(zeus_devices));
- pxa_set_ohci_info(&zeus_ohci_platform_data);
+ zeus_register_ohci();
if (zeus_setup_fb_gpios())
pr_err("Failed to setup fb gpios\n");
else
- set_pxa_fb_info(&zeus_fb_info);
+ pxa_set_fb_info(NULL, &zeus_fb_info);
pxa_set_mci_info(&zeus_mci_platform_data);
pxa_set_udc_info(&zeus_udc_info);
@@ -856,25 +872,25 @@ static void __init zeus_init(void)
static struct map_desc zeus_io_desc[] __initdata = {
{
- .virtual = ZEUS_CPLD_VERSION,
+ .virtual = (unsigned long)ZEUS_CPLD_VERSION,
.pfn = __phys_to_pfn(ZEUS_CPLD_VERSION_PHYS),
.length = 0x1000,
.type = MT_DEVICE,
},
{
- .virtual = ZEUS_CPLD_ISA_IRQ,
+ .virtual = (unsigned long)ZEUS_CPLD_ISA_IRQ,
.pfn = __phys_to_pfn(ZEUS_CPLD_ISA_IRQ_PHYS),
.length = 0x1000,
.type = MT_DEVICE,
},
{
- .virtual = ZEUS_CPLD_CONTROL,
+ .virtual = (unsigned long)ZEUS_CPLD_CONTROL,
.pfn = __phys_to_pfn(ZEUS_CPLD_CONTROL_PHYS),
.length = 0x1000,
.type = MT_DEVICE,
},
{
- .virtual = ZEUS_PC104IO,
+ .virtual = (unsigned long)ZEUS_PC104IO,
.pfn = __phys_to_pfn(ZEUS_PC104IO_PHYS),
.length = 0x00800000,
.type = MT_DEVICE,
@@ -883,7 +899,7 @@ static struct map_desc zeus_io_desc[] __initdata = {
static void __init zeus_map_io(void)
{
- pxa_map_io();
+ pxa27x_map_io();
iotable_init(zeus_io_desc, ARRAY_SIZE(zeus_io_desc));
@@ -900,11 +916,13 @@ static void __init zeus_map_io(void)
MACHINE_START(ARCOM_ZEUS, "Arcom/Eurotech ZEUS")
/* Maintainer: Marc Zyngier <maz@misterjones.org> */
- .boot_params = 0xa0000100,
+ .atag_offset = 0x100,
.map_io = zeus_map_io,
.nr_irqs = ZEUS_NR_IRQS,
.init_irq = zeus_init_irq,
- .timer = &pxa_timer,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
.init_machine = zeus_init,
+ .restart = pxa_restart,
MACHINE_END