L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
S: Maintained
+ARM/AFEB9260 MACHINE SUPPORT
+P: Sergey Lapin
+M: slapin@ossfans.org
+L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
+S: Maintained
+
ARM/AJECO 1ARM MACHINE SUPPORT
P: Lennert Buytenhek
M: kernel@wantstofly.org
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
S: Maintained
-ARM/COMPULAB CM-X270/EM-X270 MACHINE SUPPORT
+ARM/COMPULAB CM-X270/EM-X270 and CM-X300 MACHINE SUPPORT
P: Mike Rapoport
M: mike@compulab.co.il
L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)
W: http://hackndev.com
S: Maintained
+ARM/PALMZ72 SUPPORT
+P: Sergey Lapin
+M: slapin@ossfans.org
+W: http://hackndev.com
+S: Maintained
+
ARM/PLEB SUPPORT
P: Peter Chubb
M: pleb@gelato.unsw.edu.au
USB VIDEO CLASS
P: Laurent Pinchart
M: laurent.pinchart@skynet.be
- L: linx-uvc-devel@berlios.de
+ L: linux-uvc-devel@lists.berlios.de
L: video4linux-list@redhat.com
W: http://linux-uvc.berlios.de
S: Maintained
config ZONE_DMA
bool
- default y
config GENERIC_ISA_DMA
bool
config OPROFILE_ARM11_CORE
bool
+config OPROFILE_ARMV7
+ def_bool y
+ depends on CPU_V7 && !SMP
+ bool
+
endif
config VECTORS_BASE
select TIMER_ACORN
select ISA
select NO_IOPORT
+ select ARCH_SPARSEMEM_ENABLE
help
Support for the Cirrus Logic PS7500FE system-on-a-chip.
select PLAT_IOP
select PCI
select ARCH_SUPPORTS_MSI
+ select VMSPLIT_1G
help
Support for Intel's IOP13XX (XScale) family of processors.
select GENERIC_GPIO
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
+ select ZONE_DMA if PCI
help
Support for Intel's IXP4XX (XScale) family of processors.
select HAVE_PATA_PLATFORM
select ISA_DMA_API
select NO_IOPORT
+ select ARCH_SPARSEMEM_ENABLE
help
On the Acorn Risc-PC, Linux can support the internal IDE disk and
CD-ROM interface, serial and parallel port, and the floppy drive.
config ARCH_SA1100
bool "SA1100-based"
select ISA
- select ARCH_DISCONTIGMEM_ENABLE
select ARCH_SPARSEMEM_ENABLE
- select ARCH_SELECT_MEMORY_MODEL
select ARCH_MTD_XIP
select GENERIC_GPIO
select GENERIC_TIME
bool "Shark"
select ISA
select ISA_DMA
+ select ZONE_DMA
select PCI
help
Support for the StrongARM based Digital DNARD machine, also known
config ARCH_LH7A40X
bool "Sharp LH7A40X"
+ select ARCH_DISCONTIGMEM_ENABLE if !LH7A40X_CONTIGMEM
+ select ARCH_SPARSEMEM_ENABLE if !LH7A40X_CONTIGMEM
help
Say Y here for systems based on one of the Sharp LH7A40X
System on a Chip processors. These CPUs include an ARM922T
select GENERIC_TIME
select GENERIC_CLOCKEVENTS
select GENERIC_GPIO
+ select ARCH_REQUIRE_GPIOLIB
select HAVE_CLK
+ select ZONE_DMA
help
Support for TI's DaVinci platform.
If you don't know what to do here, say N.
+choice
+ prompt "Memory split"
+ default VMSPLIT_3G
+ help
+ Select the desired split between kernel and user memory.
+
+ If you are not absolutely sure what you are doing, leave this
+ option alone!
+
+ config VMSPLIT_3G
+ bool "3G/1G user/kernel split"
+ config VMSPLIT_2G
+ bool "2G/2G user/kernel split"
+ config VMSPLIT_1G
+ bool "1G/3G user/kernel split"
+endchoice
+
+config PAGE_OFFSET
+ hex
+ default 0x40000000 if VMSPLIT_1G
+ default 0x80000000 if VMSPLIT_2G
+ default 0xC0000000
+
config NR_CPUS
int "Maximum number of CPUs (2-32)"
range 2 32
default y
depends on FLATMEM
+# Discontigmem is deprecated
config ARCH_DISCONTIGMEM_ENABLE
bool
- default (ARCH_LH7A40X && !LH7A40X_CONTIGMEM)
- help
- Say Y to support efficient handling of discontiguous physical memory,
- for architectures which are either NUMA (Non-Uniform Memory Access)
- or have huge holes in the physical address space for other reasons.
- See <file:Documentation/vm/numa> for more.
config ARCH_SPARSEMEM_ENABLE
bool
+config ARCH_SPARSEMEM_DEFAULT
+ def_bool ARCH_SPARSEMEM_ENABLE
+
config ARCH_SELECT_MEMORY_MODEL
- bool
+ def_bool ARCH_DISCONTIGMEM_ENABLE && ARCH_SPARSEMEM_ENABLE
config NODES_SHIFT
int
ARCH_LUBBOCK || MACH_MAINSTONE || ARCH_NETWINDER || \
ARCH_OMAP || ARCH_P720T || ARCH_PXA_IDP || \
ARCH_SA1100 || ARCH_SHARK || ARCH_VERSATILE || \
- ARCH_AT91 || MACH_TRIZEPS4 || ARCH_DAVINCI || \
+ ARCH_AT91 || ARCH_DAVINCI || \
ARCH_KS8695 || MACH_RD88F5182
help
If you say Y here, the LEDs on your machine will be used
endmenu
-if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA)
+menu "CPU Power Management"
-menu "CPU Frequency scaling"
+if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_IMX || ARCH_PXA)
source "drivers/cpufreq/Kconfig"
default y
select CPU_FREQ_DEFAULT_GOV_USERSPACE
-endmenu
-
endif
+source "drivers/cpuidle/Kconfig"
+
+endmenu
+
menu "Floating point emulation"
comment "At least one emulation must be selected"
source "drivers/hwmon/Kconfig"
+source "drivers/thermal/Kconfig"
+
source "drivers/watchdog/Kconfig"
source "drivers/ssb/Kconfig"
source "drivers/mmc/Kconfig"
+source "drivers/memstick/Kconfig"
+
+source "drivers/accessibility/Kconfig"
+
source "drivers/leds/Kconfig"
source "drivers/rtc/Kconfig"
source "drivers/dca/Kconfig"
+source "drivers/auxdisplay/Kconfig"
+
source "drivers/regulator/Kconfig"
source "drivers/uio/Kconfig"
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
+ #include <linux/gpio.h>
+ #include <linux/leds.h>
+
+ #include <linux/i2c.h>
+ #include <linux/i2c/pcf857x.h>
+ #include <linux/i2c/at24.h>
+
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
+#include <linux/io.h>
#include <asm/setup.h>
-#include <asm/io.h>
#include <asm/mach-types.h>
- #include <mach/hardware.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
+ #include <mach/hardware.h>
#include <mach/common.h>
+ #include <mach/i2c.h>
/* other misc. init functions */
void __init davinci_psc_init(void);
void __init davinci_map_common_io(void);
void __init davinci_init_common_hw(void);
- /* NOR Flash base address set to CS0 by default */
- #define NOR_FLASH_PHYS 0x02000000
+ #if defined(CONFIG_MTD_PHYSMAP) || \
+ defined(CONFIG_MTD_PHYSMAP_MODULE)
- static struct mtd_partition davinci_evm_partitions[] = {
+ static struct mtd_partition davinci_evm_norflash_partitions[] = {
/* bootloader (U-Boot, etc) in first 4 sectors */
{
.name = "bootloader",
}
};
- static struct physmap_flash_data davinci_evm_flash_data = {
+ static struct physmap_flash_data davinci_evm_norflash_data = {
.width = 2,
- .parts = davinci_evm_partitions,
- .nr_parts = ARRAY_SIZE(davinci_evm_partitions),
+ .parts = davinci_evm_norflash_partitions,
+ .nr_parts = ARRAY_SIZE(davinci_evm_norflash_partitions),
};
/* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF
* limits addresses to 16M, so using addresses past 16M will wrap */
- static struct resource davinci_evm_flash_resource = {
- .start = NOR_FLASH_PHYS,
- .end = NOR_FLASH_PHYS + SZ_16M - 1,
+ static struct resource davinci_evm_norflash_resource = {
+ .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
+ .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
.flags = IORESOURCE_MEM,
};
- static struct platform_device davinci_evm_flash_device = {
+ static struct platform_device davinci_evm_norflash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
- .platform_data = &davinci_evm_flash_data,
+ .platform_data = &davinci_evm_norflash_data,
},
.num_resources = 1,
- .resource = &davinci_evm_flash_resource,
+ .resource = &davinci_evm_norflash_resource,
+ };
+
+ #endif
+
+ #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
+ defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+
+ static struct resource ide_resources[] = {
+ {
+ .start = DAVINCI_CFC_ATA_BASE,
+ .end = DAVINCI_CFC_ATA_BASE + 0x7ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_IDE,
+ .end = IRQ_IDE,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ static u64 ide_dma_mask = DMA_32BIT_MASK;
+
+ static struct platform_device ide_dev = {
+ .name = "palm_bk3710",
+ .id = -1,
+ .resource = ide_resources,
+ .num_resources = ARRAY_SIZE(ide_resources),
+ .dev = {
+ .dma_mask = &ide_dma_mask,
+ .coherent_dma_mask = DMA_32BIT_MASK,
+ },
+ };
+
+ #endif
+
+ /*----------------------------------------------------------------------*/
+
+ /*
+ * I2C GPIO expanders
+ */
+
+ #define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8))
+
+
+ /* U2 -- LEDs */
+
+ static struct gpio_led evm_leds[] = {
+ { .name = "DS8", .active_low = 1,
+ .default_trigger = "heartbeat", },
+ { .name = "DS7", .active_low = 1, },
+ { .name = "DS6", .active_low = 1, },
+ { .name = "DS5", .active_low = 1, },
+ { .name = "DS4", .active_low = 1, },
+ { .name = "DS3", .active_low = 1, },
+ { .name = "DS2", .active_low = 1,
+ .default_trigger = "mmc0", },
+ { .name = "DS1", .active_low = 1,
+ .default_trigger = "ide-disk", },
+ };
+
+ static const struct gpio_led_platform_data evm_led_data = {
+ .num_leds = ARRAY_SIZE(evm_leds),
+ .leds = evm_leds,
+ };
+
+ static struct platform_device *evm_led_dev;
+
+ static int
+ evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
+ {
+ struct gpio_led *leds = evm_leds;
+ int status;
+
+ while (ngpio--) {
+ leds->gpio = gpio++;
+ leds++;
+ }
+
+ /* what an extremely annoying way to be forced to handle
+ * device unregistration ...
+ */
+ evm_led_dev = platform_device_alloc("leds-gpio", 0);
+ platform_device_add_data(evm_led_dev,
+ &evm_led_data, sizeof evm_led_data);
+
+ evm_led_dev->dev.parent = &client->dev;
+ status = platform_device_add(evm_led_dev);
+ if (status < 0) {
+ platform_device_put(evm_led_dev);
+ evm_led_dev = NULL;
+ }
+ return status;
+ }
+
+ static int
+ evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
+ {
+ if (evm_led_dev) {
+ platform_device_unregister(evm_led_dev);
+ evm_led_dev = NULL;
+ }
+ return 0;
+ }
+
+ static struct pcf857x_platform_data pcf_data_u2 = {
+ .gpio_base = PCF_Uxx_BASE(0),
+ .setup = evm_led_setup,
+ .teardown = evm_led_teardown,
+ };
+
+
+ /* U18 - A/V clock generator and user switch */
+
+ static int sw_gpio;
+
+ static ssize_t
+ sw_show(struct device *d, struct device_attribute *a, char *buf)
+ {
+ char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n";
+
+ strcpy(buf, s);
+ return strlen(s);
+ }
+
+ static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL);
+
+ static int
+ evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
+ {
+ int status;
+
+ /* export dip switch option */
+ sw_gpio = gpio + 7;
+ status = gpio_request(sw_gpio, "user_sw");
+ if (status == 0)
+ status = gpio_direction_input(sw_gpio);
+ if (status == 0)
+ status = device_create_file(&client->dev, &dev_attr_user_sw);
+ else
+ gpio_free(sw_gpio);
+ if (status != 0)
+ sw_gpio = -EINVAL;
+
+ /* audio PLL: 48 kHz (vs 44.1 or 32), single rate (vs double) */
+ gpio_request(gpio + 3, "pll_fs2");
+ gpio_direction_output(gpio + 3, 0);
+
+ gpio_request(gpio + 2, "pll_fs1");
+ gpio_direction_output(gpio + 2, 0);
+
+ gpio_request(gpio + 1, "pll_sr");
+ gpio_direction_output(gpio + 1, 0);
+
+ return 0;
+ }
+
+ static int
+ evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
+ {
+ gpio_free(gpio + 1);
+ gpio_free(gpio + 2);
+ gpio_free(gpio + 3);
+
+ if (sw_gpio > 0) {
+ device_remove_file(&client->dev, &dev_attr_user_sw);
+ gpio_free(sw_gpio);
+ }
+ return 0;
+ }
+
+ static struct pcf857x_platform_data pcf_data_u18 = {
+ .gpio_base = PCF_Uxx_BASE(1),
+ .n_latch = (1 << 3) | (1 << 2) | (1 << 1),
+ .setup = evm_u18_setup,
+ .teardown = evm_u18_teardown,
};
+
+ /* U35 - various I/O signals used to manage USB, CF, ATA, etc */
+
+ static int
+ evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
+ {
+ /* p0 = nDRV_VBUS (initial: don't supply it) */
+ gpio_request(gpio + 0, "nDRV_VBUS");
+ gpio_direction_output(gpio + 0, 1);
+
+ /* p1 = VDDIMX_EN */
+ gpio_request(gpio + 1, "VDDIMX_EN");
+ gpio_direction_output(gpio + 1, 1);
+
+ /* p2 = VLYNQ_EN */
+ gpio_request(gpio + 2, "VLYNQ_EN");
+ gpio_direction_output(gpio + 2, 1);
+
+ /* p3 = n3V3_CF_RESET (initial: stay in reset) */
+ gpio_request(gpio + 3, "nCF_RESET");
+ gpio_direction_output(gpio + 3, 0);
+
+ /* (p4 unused) */
+
+ /* p5 = 1V8_WLAN_RESET (initial: stay in reset) */
+ gpio_request(gpio + 5, "WLAN_RESET");
+ gpio_direction_output(gpio + 5, 1);
+
+ /* p6 = nATA_SEL (initial: select) */
+ gpio_request(gpio + 6, "nATA_SEL");
+ gpio_direction_output(gpio + 6, 0);
+
+ /* p7 = nCF_SEL (initial: deselect) */
+ gpio_request(gpio + 7, "nCF_SEL");
+ gpio_direction_output(gpio + 7, 1);
+
+ return 0;
+ }
+
+ static int
+ evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
+ {
+ gpio_free(gpio + 7);
+ gpio_free(gpio + 6);
+ gpio_free(gpio + 5);
+ gpio_free(gpio + 3);
+ gpio_free(gpio + 2);
+ gpio_free(gpio + 1);
+ gpio_free(gpio + 0);
+ return 0;
+ }
+
+ static struct pcf857x_platform_data pcf_data_u35 = {
+ .gpio_base = PCF_Uxx_BASE(2),
+ .setup = evm_u35_setup,
+ .teardown = evm_u35_teardown,
+ };
+
+ /*----------------------------------------------------------------------*/
+
+ /* Most of this EEPROM is unused, but U-Boot uses some data:
+ * - 0x7f00, 6 bytes Ethernet Address
+ * - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
+ * - ... newer boards may have more
+ */
+ static struct at24_platform_data eeprom_info = {
+ .byte_len = (256*1024) / 8,
+ .page_size = 64,
+ .flags = AT24_FLAG_ADDR16,
+ };
+
+ static struct i2c_board_info __initdata i2c_info[] = {
+ {
+ I2C_BOARD_INFO("pcf8574", 0x38),
+ .platform_data = &pcf_data_u2,
+ },
+ {
+ I2C_BOARD_INFO("pcf8574", 0x39),
+ .platform_data = &pcf_data_u18,
+ },
+ {
+ I2C_BOARD_INFO("pcf8574", 0x3a),
+ .platform_data = &pcf_data_u35,
+ },
+ {
+ I2C_BOARD_INFO("24c256", 0x50),
+ .platform_data = &eeprom_info,
+ },
+ /* ALSO:
+ * - tvl320aic33 audio codec (0x1b)
+ * - msp430 microcontroller (0x23)
+ * - tvp5146 video decoder (0x5d)
+ */
+ };
+
+ /* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
+ * which requires 100 usec of idle bus after i2c writes sent to it.
+ */
+ static struct davinci_i2c_platform_data i2c_pdata = {
+ .bus_freq = 20 /* kHz */,
+ .bus_delay = 100 /* usec */,
+ };
+
+ static void __init evm_init_i2c(void)
+ {
+ davinci_init_i2c(&i2c_pdata);
+ i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
+ }
+
static struct platform_device *davinci_evm_devices[] __initdata = {
- &davinci_evm_flash_device,
+ #if defined(CONFIG_MTD_PHYSMAP) || \
+ defined(CONFIG_MTD_PHYSMAP_MODULE)
+ &davinci_evm_norflash_device,
+ #endif
+ #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
+ defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+ &ide_dev,
+ #endif
};
static void __init
{
davinci_psc_init();
- #if defined(CONFIG_BLK_DEV_DAVINCI) || defined(CONFIG_BLK_DEV_DAVINCI_MODULE)
+ #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
+ defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+ #if defined(CONFIG_MTD_PHYSMAP) || \
+ defined(CONFIG_MTD_PHYSMAP_MODULE)
printk(KERN_WARNING "WARNING: both IDE and NOR flash are enabled, "
"but share pins.\n\t Disable IDE for NOR support.\n");
+ #endif
#endif
platform_add_devices(davinci_evm_devices,
ARRAY_SIZE(davinci_evm_devices));
+ evm_init_i2c();
+
+ /* irlml6401 sustains over 3A, switches 5V in under 8 msec */
+ setup_usb(500, 8);
}
static __init void davinci_evm_irq_init(void)
MACHINE_START(DAVINCI_EVM, "DaVinci EVM")
/* Maintainer: MontaVista Software <source@mvista.com> */
.phys_io = IO_PHYS,
- .io_pg_offst = (io_p2v(IO_PHYS) >> 18) & 0xfffc,
+ .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
.boot_params = (DAVINCI_DDR_BASE + 0x100),
.map_io = davinci_evm_map_io,
.init_irq = davinci_evm_irq_init,
/*
* TI DaVinci GPIO Support
*
- * Copyright (c) 2006 David Brownell
+ * Copyright (c) 2006-2007 David Brownell
* Copyright (c) 2007, MontaVista Software, Inc. <source@mvista.com>
*
* This program is free software; you can redistribute it and/or modify
#include <asm/mach/irq.h>
- static DEFINE_SPINLOCK(gpio_lock);
- static DECLARE_BITMAP(gpio_in_use, DAVINCI_N_GPIO);
- int gpio_request(unsigned gpio, const char *tag)
- {
- if (gpio >= DAVINCI_N_GPIO)
- return -EINVAL;
+ static DEFINE_SPINLOCK(gpio_lock);
- if (test_and_set_bit(gpio, gpio_in_use))
- return -EBUSY;
+ struct davinci_gpio {
+ struct gpio_chip chip;
+ struct gpio_controller *__iomem regs;
+ };
- return 0;
- }
- EXPORT_SYMBOL(gpio_request);
-
- void gpio_free(unsigned gpio)
- {
- if (gpio >= DAVINCI_N_GPIO)
- return;
+ static struct davinci_gpio chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)];
- clear_bit(gpio, gpio_in_use);
- }
- EXPORT_SYMBOL(gpio_free);
/* create a non-inlined version */
- static struct gpio_controller *__iomem gpio2controller(unsigned gpio)
+ static struct gpio_controller *__iomem __init gpio2controller(unsigned gpio)
{
return __gpio_to_controller(gpio);
}
+
+ /*--------------------------------------------------------------------------*/
+
/*
- * Assuming the pin is muxed as a gpio output, set its output value.
+ * board setup code *MUST* set PINMUX0 and PINMUX1 as
+ * needed, and enable the GPIO clock.
*/
- void __gpio_set(unsigned gpio, int value)
+
+ static int davinci_direction_in(struct gpio_chip *chip, unsigned offset)
{
- struct gpio_controller *__iomem g = gpio2controller(gpio);
+ struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+ struct gpio_controller *__iomem g = d->regs;
+ u32 temp;
- __raw_writel(__gpio_mask(gpio), value ? &g->set_data : &g->clr_data);
- }
- EXPORT_SYMBOL(__gpio_set);
+ spin_lock(&gpio_lock);
+ temp = __raw_readl(&g->dir);
+ temp |= (1 << offset);
+ __raw_writel(temp, &g->dir);
+ spin_unlock(&gpio_lock);
+ return 0;
+ }
/*
* Read the pin's value (works even if it's set up as output);
* Note that changes are synched to the GPIO clock, so reading values back
* right after you've set them may give old values.
*/
- int __gpio_get(unsigned gpio)
+ static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct gpio_controller *__iomem g = gpio2controller(gpio);
+ struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+ struct gpio_controller *__iomem g = d->regs;
- return !!(__gpio_mask(gpio) & __raw_readl(&g->in_data));
+ return (1 << offset) & __raw_readl(&g->in_data);
}
- EXPORT_SYMBOL(__gpio_get);
-
- /*--------------------------------------------------------------------------*/
-
- /*
- * board setup code *MUST* set PINMUX0 and PINMUX1 as
- * needed, and enable the GPIO clock.
- */
-
- int gpio_direction_input(unsigned gpio)
+ static int
+ davinci_direction_out(struct gpio_chip *chip, unsigned offset, int value)
{
- struct gpio_controller *__iomem g = gpio2controller(gpio);
+ struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+ struct gpio_controller *__iomem g = d->regs;
u32 temp;
- u32 mask;
-
- if (!g)
- return -EINVAL;
+ u32 mask = 1 << offset;
spin_lock(&gpio_lock);
- mask = __gpio_mask(gpio);
temp = __raw_readl(&g->dir);
- temp |= mask;
+ temp &= ~mask;
+ __raw_writel(mask, value ? &g->set_data : &g->clr_data);
__raw_writel(temp, &g->dir);
spin_unlock(&gpio_lock);
return 0;
}
- EXPORT_SYMBOL(gpio_direction_input);
- int gpio_direction_output(unsigned gpio, int value)
+ /*
+ * Assuming the pin is muxed as a gpio output, set its output value.
+ */
+ static void
+ davinci_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct gpio_controller *__iomem g = gpio2controller(gpio);
- u32 temp;
- u32 mask;
+ struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+ struct gpio_controller *__iomem g = d->regs;
- if (!g)
- return -EINVAL;
+ __raw_writel((1 << offset), value ? &g->set_data : &g->clr_data);
+ }
+
+ static int __init davinci_gpio_setup(void)
+ {
+ int i, base;
+
+ for (i = 0, base = 0;
+ i < ARRAY_SIZE(chips);
+ i++, base += 32) {
+ chips[i].chip.label = "DaVinci";
+
+ chips[i].chip.direction_input = davinci_direction_in;
+ chips[i].chip.get = davinci_gpio_get;
+ chips[i].chip.direction_output = davinci_direction_out;
+ chips[i].chip.set = davinci_gpio_set;
+
+ chips[i].chip.base = base;
+ chips[i].chip.ngpio = DAVINCI_N_GPIO - base;
+ if (chips[i].chip.ngpio > 32)
+ chips[i].chip.ngpio = 32;
+
+ chips[i].regs = gpio2controller(base);
+
+ gpiochip_add(&chips[i].chip);
+ }
- spin_lock(&gpio_lock);
- mask = __gpio_mask(gpio);
- temp = __raw_readl(&g->dir);
- temp &= ~mask;
- __raw_writel(mask, value ? &g->set_data : &g->clr_data);
- __raw_writel(temp, &g->dir);
- spin_unlock(&gpio_lock);
return 0;
}
- EXPORT_SYMBOL(gpio_direction_output);
+ pure_initcall(davinci_gpio_setup);
+ /*--------------------------------------------------------------------------*/
/*
* We expect irqs will normally be set up as input pins, but they can also be
* used as output pins ... which is convenient for testing.
desc->chip->ack(irq);
while (1) {
u32 status;
- struct irq_desc *gpio;
int n;
int res;
/* now demux them to the right lowlevel handler */
n = (int)get_irq_data(irq);
- gpio = &irq_desc[n];
while (status) {
res = ffs(status);
n += res;
- gpio += res;
- desc_handle_irq(n - 1, gpio - 1);
+ generic_handle_irq(n - 1);
status >>= res;
}
}
#include <mach/iomux-mx3.h>
#include <mach/board-pcm037.h>
+#include "devices.h"
+
static struct physmap_flash_data pcm037_flash_data = {
.width = 2,
};
};
static struct imxuart_platform_data uart_pdata = {
- .flags = 0,
+ .flags = IMXUART_HAVE_RTSCTS,
};
static struct platform_device *devices[] __initdata = {
mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
- imx_init_uart(0, &uart_pdata);
+ mxc_register_device(&mxc_uart_device0, &uart_pdata);
mxc_iomux_mode(MX31_PIN_CSPI3_MOSI__RXD3);
mxc_iomux_mode(MX31_PIN_CSPI3_MISO__TXD3);
- imx_init_uart(2, &uart_pdata);
+ mxc_register_device(&mxc_uart_device2, &uart_pdata);
}
/*
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/io.h>
#include <mach/hardware.h>
-#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
#include <mach/tc.h>
#include <mach/board.h>
+ #include <mach/mmc.h>
#include <mach/mux.h>
#include <mach/gpio.h>
#include <mach/menelaus.h>
/*-------------------------------------------------------------------------*/
- #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+ #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
+ defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
- #ifdef CONFIG_ARCH_OMAP24XX
+ #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
#define OMAP_MMC1_BASE 0x4809c000
- #define OMAP_MMC1_INT INT_24XX_MMC_IRQ
+ #define OMAP_MMC1_END (OMAP_MMC1_BASE + 0x1fc)
+ #define OMAP_MMC1_INT INT_24XX_MMC_IRQ
+
+ #define OMAP_MMC2_BASE 0x480b4000
+ #define OMAP_MMC2_END (OMAP_MMC2_BASE + 0x1fc)
+ #define OMAP_MMC2_INT INT_24XX_MMC2_IRQ
+
#else
+
#define OMAP_MMC1_BASE 0xfffb7800
+ #define OMAP_MMC1_END (OMAP_MMC1_BASE + 0x7f)
#define OMAP_MMC1_INT INT_MMC
- #endif
+
#define OMAP_MMC2_BASE 0xfffb7c00 /* omap16xx only */
+ #define OMAP_MMC2_END (OMAP_MMC2_BASE + 0x7f)
+ #define OMAP_MMC2_INT INT_1610_MMC2
- static struct omap_mmc_conf mmc1_conf;
+ #endif
+
+ static struct omap_mmc_platform_data mmc1_data;
static u64 mmc1_dmamask = 0xffffffff;
static struct resource mmc1_resources[] = {
{
.start = OMAP_MMC1_BASE,
- .end = OMAP_MMC1_BASE + 0x7f,
+ .end = OMAP_MMC1_END,
.flags = IORESOURCE_MEM,
},
{
.id = 1,
.dev = {
.dma_mask = &mmc1_dmamask,
- .platform_data = &mmc1_conf,
+ .platform_data = &mmc1_data,
},
.num_resources = ARRAY_SIZE(mmc1_resources),
.resource = mmc1_resources,
};
- #ifdef CONFIG_ARCH_OMAP16XX
+ #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
+ defined(CONFIG_ARCH_OMAP34XX)
- static struct omap_mmc_conf mmc2_conf;
+ static struct omap_mmc_platform_data mmc2_data;
static u64 mmc2_dmamask = 0xffffffff;
static struct resource mmc2_resources[] = {
{
.start = OMAP_MMC2_BASE,
- .end = OMAP_MMC2_BASE + 0x7f,
+ .end = OMAP_MMC2_END,
.flags = IORESOURCE_MEM,
},
{
- .start = INT_1610_MMC2,
+ .start = OMAP_MMC2_INT,
.flags = IORESOURCE_IRQ,
},
};
.id = 2,
.dev = {
.dma_mask = &mmc2_dmamask,
- .platform_data = &mmc2_conf,
+ .platform_data = &mmc2_data,
},
.num_resources = ARRAY_SIZE(mmc2_resources),
.resource = mmc2_resources,
};
#endif
- static void __init omap_init_mmc(void)
+ static inline void omap_init_mmc_conf(const struct omap_mmc_config *mmc_conf)
{
- const struct omap_mmc_config *mmc_conf;
- const struct omap_mmc_conf *mmc;
-
- /* NOTE: assumes MMC was never (wrongly) enabled */
- mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
- if (!mmc_conf)
+ if (cpu_is_omap2430() || cpu_is_omap34xx())
return;
- /* block 1 is always available and has just one pinout option */
- mmc = &mmc_conf->mmc[0];
- if (mmc->enabled) {
+ if (mmc_conf->mmc[0].enabled) {
if (cpu_is_omap24xx()) {
omap_cfg_reg(H18_24XX_MMC_CMD);
omap_cfg_reg(H15_24XX_MMC_CLKI);
omap_cfg_reg(P20_1710_MMC_DATDIR0);
}
}
- if (mmc->wire4) {
+ if (mmc_conf->mmc[0].wire4) {
if (cpu_is_omap24xx()) {
omap_cfg_reg(H14_24XX_MMC_DAT1);
omap_cfg_reg(E19_24XX_MMC_DAT2);
} else {
omap_cfg_reg(MMC_DAT1);
/* NOTE: DAT2 can be on W10 (here) or M15 */
- if (!mmc->nomux)
+ if (!mmc_conf->mmc[0].nomux)
omap_cfg_reg(MMC_DAT2);
omap_cfg_reg(MMC_DAT3);
}
}
- mmc1_conf = *mmc;
- (void) platform_device_register(&mmc_omap_device1);
+ #if defined(CONFIG_ARCH_OMAP2420)
+ if (mmc_conf->mmc[0].internal_clock) {
+ /*
+ * Use internal loop-back in MMC/SDIO
+ * Module Input Clock selection
+ */
+ if (cpu_is_omap24xx()) {
+ u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+ v |= (1 << 24); /* not used in 243x */
+ omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
+ }
+ }
+ #endif
}
#ifdef CONFIG_ARCH_OMAP16XX
/* block 2 is on newer chips, and has many pinout options */
- mmc = &mmc_conf->mmc[1];
- if (mmc->enabled) {
- if (!mmc->nomux) {
+ if (mmc_conf->mmc[1].enabled) {
+ if (!mmc_conf->mmc[1].nomux) {
omap_cfg_reg(Y8_1610_MMC2_CMD);
omap_cfg_reg(Y10_1610_MMC2_CLK);
omap_cfg_reg(R18_1610_MMC2_CLKIN);
omap_cfg_reg(W8_1610_MMC2_DAT0);
- if (mmc->wire4) {
+ if (mmc_conf->mmc[1].wire4) {
omap_cfg_reg(V8_1610_MMC2_DAT1);
omap_cfg_reg(W15_1610_MMC2_DAT2);
omap_cfg_reg(R10_1610_MMC2_DAT3);
if (cpu_is_omap1710())
omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
MOD_CONF_CTRL_1);
- mmc2_conf = *mmc;
+ }
+ #endif
+ }
+
+ static void __init omap_init_mmc(void)
+ {
+ const struct omap_mmc_config *mmc_conf;
+
+ /* NOTE: assumes MMC was never (wrongly) enabled */
+ mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
+ if (!mmc_conf)
+ return;
+
+ omap_init_mmc_conf(mmc_conf);
+
+ if (mmc_conf->mmc[0].enabled) {
+ mmc1_data.conf = mmc_conf->mmc[0];
+ (void) platform_device_register(&mmc_omap_device1);
+ }
+
+ #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
+ defined(CONFIG_ARCH_OMAP34XX)
+ if (mmc_conf->mmc[1].enabled) {
+ mmc2_data.conf = mmc_conf->mmc[1];
(void) platform_device_register(&mmc_omap_device2);
}
#endif
- return;
}
+
+ void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info)
+ {
+ switch (host) {
+ case 1:
+ mmc1_data = *info;
+ break;
+ #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2430) || \
+ defined(CONFIG_ARCH_OMAP34XX)
+ case 2:
+ mmc2_data = *info;
+ break;
+ #endif
+ default:
+ BUG();
+ }
+ }
+
#else
static inline void omap_init_mmc(void) {}
+ void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info) {}
#endif
/*-------------------------------------------------------------------------*/
return value;
}
+ static void atmel_lcdfb_stop_nowait(struct atmel_lcdfb_info *sinfo)
+ {
+ /* Turn off the LCD controller and the DMA controller */
+ lcdc_writel(sinfo, ATMEL_LCDC_PWRCON,
+ sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET);
+
+ /* Wait for the LCDC core to become idle */
+ while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY)
+ msleep(10);
+
+ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
+ }
+
+ static void atmel_lcdfb_stop(struct atmel_lcdfb_info *sinfo)
+ {
+ atmel_lcdfb_stop_nowait(sinfo);
+
+ /* Wait for DMA engine to become idle... */
+ while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY)
+ msleep(10);
+ }
+
+ static void atmel_lcdfb_start(struct atmel_lcdfb_info *sinfo)
+ {
+ lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon);
+ lcdc_writel(sinfo, ATMEL_LCDC_PWRCON,
+ (sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET)
+ | ATMEL_LCDC_PWR);
+ }
+
static void atmel_lcdfb_update_dma(struct fb_info *info,
struct fb_var_screeninfo *var)
{
var->red.offset = 11;
var->blue.offset = 0;
var->green.length = 6;
+ } else if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB555) {
+ var->red.offset = 10;
+ var->blue.offset = 0;
+ var->green.length = 5;
} else {
/* BGR:555 mode */
var->red.offset = 0;
{
might_sleep();
- /* LCD power off */
- lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET);
-
- /* wait for the LCDC core to become idle */
- while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY)
- msleep(10);
-
- /* DMA disable */
- lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
-
- /* wait for DMA engine to become idle */
- while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY)
- msleep(10);
-
- /* LCD power on */
- lcdc_writel(sinfo, ATMEL_LCDC_PWRCON,
- (sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR);
-
- /* DMA enable */
- lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon);
+ atmel_lcdfb_stop(sinfo);
+ atmel_lcdfb_start(sinfo);
}
/**
info->var.xres, info->var.yres,
info->var.xres_virtual, info->var.yres_virtual);
- /* Turn off the LCD controller and the DMA controller */
- lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET);
-
- /* Wait for the LCDC core to become idle */
- while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY)
- msleep(10);
-
- lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
+ atmel_lcdfb_stop_nowait(sinfo);
if (info->var.bits_per_pixel == 1)
info->fix.visual = FB_VISUAL_MONO01;
while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY)
msleep(10);
- dev_dbg(info->device, " * re-enable DMA engine\n");
- /* ...and enable it with updated configuration */
- lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon);
-
- dev_dbg(info->device, " * re-enable LCDC core\n");
- lcdc_writel(sinfo, ATMEL_LCDC_PWRCON,
- (sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR);
+ atmel_lcdfb_start(sinfo);
dev_dbg(info->device, " * DONE\n");
struct fb_info *info = platform_get_drvdata(pdev);
struct atmel_lcdfb_info *sinfo = info->par;
+ /*
+ * We don't want to handle interrupts while the clock is
+ * stopped. It may take forever.
+ */
+ lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL);
+
sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL);
lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0);
if (sinfo->atmel_lcdfb_power_control)
sinfo->atmel_lcdfb_power_control(0);
+
+ atmel_lcdfb_stop(sinfo);
atmel_lcdfb_stop_clock(sinfo);
+
return 0;
}
struct atmel_lcdfb_info *sinfo = info->par;
atmel_lcdfb_start_clock(sinfo);
+ atmel_lcdfb_start(sinfo);
if (sinfo->atmel_lcdfb_power_control)
sinfo->atmel_lcdfb_power_control(1);
lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, sinfo->saved_lcdcon);
+
+ /* Enable FIFO & DMA errors */
+ lcdc_writel(sinfo, ATMEL_LCDC_IER, ATMEL_LCDC_UFLWI
+ | ATMEL_LCDC_OWRI | ATMEL_LCDC_MERI);
+
return 0;
}
git.openpandora.org / pandora-kernel.git / commitdiff