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-rw-r--r--arch/arm/mach-pxa/cm-x270.c688
1 files changed, 147 insertions, 541 deletions
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
index 402e807eae5..2503db9e325 100644
--- a/arch/arm/mach-pxa/cm-x270.c
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -10,54 +10,38 @@
*/
#include <linux/platform_device.h>
-#include <linux/sysdev.h>
#include <linux/irq.h>
#include <linux/gpio.h>
+#include <linux/delay.h>
-#include <linux/dm9000.h>
#include <linux/rtc-v3020.h>
#include <video/mbxfb.h>
-#include <linux/leds.h>
-#include <asm/mach/arch.h>
-#include <asm/mach-types.h>
-#include <asm/mach/map.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/pxa2xx_spi.h>
+#include <linux/spi/libertas_spi.h>
-#include <asm/arch/pxa2xx-regs.h>
-#include <asm/arch/mfp-pxa27x.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/audio.h>
-#include <asm/arch/pxafb.h>
-#include <asm/arch/ohci.h>
-#include <asm/arch/mmc.h>
-#include <asm/arch/bitfield.h>
-
-#include <asm/hardware/it8152.h>
+#include <mach/pxa27x.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+#include <linux/platform_data/mmc-pxamci.h>
#include "generic.h"
-#include "cm-x270-pci.h"
-
-/* virtual addresses for statically mapped regions */
-#define CMX270_VIRT_BASE (0xe8000000)
-#define CMX270_IT8152_VIRT (CMX270_VIRT_BASE)
+/* physical address if local-bus attached devices */
#define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22))
-#define DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
/* GPIO IRQ usage */
-#define GPIO10_ETHIRQ (10)
-#define GPIO22_IT8152_IRQ (22)
#define GPIO83_MMC_IRQ (83)
-#define GPIO95_GFXIRQ (95)
-#define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ)
-#define CMX270_IT8152_IRQ IRQ_GPIO(GPIO22_IT8152_IRQ)
-#define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ)
-#define CMX270_GFXIRQ IRQ_GPIO(GPIO95_GFXIRQ)
+#define CMX270_MMC_IRQ PXA_GPIO_TO_IRQ(GPIO83_MMC_IRQ)
/* MMC power enable */
#define GPIO105_MMC_POWER (105)
+/* WLAN GPIOS */
+#define GPIO19_WLAN_STRAP (19)
+#define GPIO102_WLAN_RST (102)
+
static unsigned long cmx270_pin_config[] = {
/* AC'97 */
GPIO28_AC97_BITCLK,
@@ -86,26 +70,7 @@ static unsigned long cmx270_pin_config[] = {
GPIO111_MMC_DAT_3,
/* LCD */
- GPIO58_LCD_LDD_0,
- GPIO59_LCD_LDD_1,
- GPIO60_LCD_LDD_2,
- GPIO61_LCD_LDD_3,
- GPIO62_LCD_LDD_4,
- GPIO63_LCD_LDD_5,
- GPIO64_LCD_LDD_6,
- GPIO65_LCD_LDD_7,
- GPIO66_LCD_LDD_8,
- GPIO67_LCD_LDD_9,
- GPIO68_LCD_LDD_10,
- GPIO69_LCD_LDD_11,
- GPIO70_LCD_LDD_12,
- GPIO71_LCD_LDD_13,
- GPIO72_LCD_LDD_14,
- GPIO73_LCD_LDD_15,
- GPIO74_LCD_FCLK,
- GPIO75_LCD_LCLK,
- GPIO76_LCD_PCLK,
- GPIO77_LCD_BIAS,
+ GPIOxx_LCD_TFT_16BPP,
/* I2C */
GPIO117_I2C_SCL,
@@ -118,8 +83,8 @@ static unsigned long cmx270_pin_config[] = {
GPIO26_SSP1_RXD,
/* SSP2 */
- GPIO19_SSP2_SCLK,
- GPIO14_SSP2_SFRM,
+ GPIO19_GPIO, /* SSP2 clock is used as GPIO for Libertas pin-strap */
+ GPIO14_GPIO,
GPIO87_SSP2_TXD,
GPIO88_SSP2_RXD,
@@ -147,6 +112,7 @@ static unsigned long cmx270_pin_config[] = {
GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,
GPIO105_GPIO | MFP_LPM_DRIVE_HIGH, /* MMC/SD power */
GPIO53_GPIO, /* PC card reset */
+ GPIO102_GPIO, /* WLAN reset */
/* NAND controls */
GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
@@ -155,64 +121,9 @@ static unsigned long cmx270_pin_config[] = {
/* interrupts */
GPIO10_GPIO, /* DM9000 interrupt */
GPIO83_GPIO, /* MMC card detect */
+ GPIO95_GPIO, /* WLAN interrupt */
};
-#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
-static struct resource cmx270_dm9000_resource[] = {
- [0] = {
- .start = DM9000_PHYS_BASE,
- .end = DM9000_PHYS_BASE + 4,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = DM9000_PHYS_BASE + 8,
- .end = DM9000_PHYS_BASE + 8 + 500,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = CMX270_ETHIRQ,
- .end = CMX270_ETHIRQ,
- .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
- }
-};
-
-static struct dm9000_plat_data cmx270_dm9000_platdata = {
- .flags = DM9000_PLATF_32BITONLY,
-};
-
-static struct platform_device cmx270_dm9000_device = {
- .name = "dm9000",
- .id = 0,
- .num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
- .resource = cmx270_dm9000_resource,
- .dev = {
- .platform_data = &cmx270_dm9000_platdata,
- }
-};
-
-static void __init cmx270_init_dm9000(void)
-{
- platform_device_register(&cmx270_dm9000_device);
-}
-#else
-static inline void cmx270_init_dm9000(void) {}
-#endif
-
-/* UCB1400 touchscreen controller */
-#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
-static struct platform_device cmx270_ts_device = {
- .name = "ucb1400_ts",
- .id = -1,
-};
-
-static void __init cmx270_init_touchscreen(void)
-{
- platform_device_register(&cmx270_ts_device);
-}
-#else
-static inline void cmx270_init_touchscreen(void) {}
-#endif
-
/* V3020 RTC */
#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
static struct resource cmx270_v3020_resource[] = {
@@ -245,44 +156,6 @@ static void __init cmx270_init_rtc(void)
static inline void cmx270_init_rtc(void) {}
#endif
-/* CM-X270 LEDs */
-#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
-static struct gpio_led cmx270_leds[] = {
- [0] = {
- .name = "cm-x270:red",
- .default_trigger = "nand-disk",
- .gpio = 93,
- .active_low = 1,
- },
- [1] = {
- .name = "cm-x270:green",
- .default_trigger = "heartbeat",
- .gpio = 94,
- .active_low = 1,
- },
-};
-
-static struct gpio_led_platform_data cmx270_gpio_led_pdata = {
- .num_leds = ARRAY_SIZE(cmx270_leds),
- .leds = cmx270_leds,
-};
-
-static struct platform_device cmx270_led_device = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &cmx270_gpio_led_pdata,
- },
-};
-
-static void __init cmx270_init_leds(void)
-{
- platform_device_register(&cmx270_led_device);
-}
-#else
-static inline void cmx270_init_leds(void) {}
-#endif
-
/* 2700G graphics */
#if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE)
static u64 fb_dma_mask = ~(u64)0;
@@ -302,33 +175,57 @@ static struct resource cmx270_2700G_resource[] = {
},
};
-static unsigned long save_lcd_regs[10];
+static unsigned long cmx270_marathon_on[] = {
+ GPIO58_GPIO,
+ GPIO59_GPIO,
+ GPIO60_GPIO,
+ GPIO61_GPIO,
+ GPIO62_GPIO,
+ GPIO63_GPIO,
+ GPIO64_GPIO,
+ GPIO65_GPIO,
+ GPIO66_GPIO,
+ GPIO67_GPIO,
+ GPIO68_GPIO,
+ GPIO69_GPIO,
+ GPIO70_GPIO,
+ GPIO71_GPIO,
+ GPIO72_GPIO,
+ GPIO73_GPIO,
+ GPIO74_GPIO,
+ GPIO75_GPIO,
+ GPIO76_GPIO,
+ GPIO77_GPIO,
+};
+
+static unsigned long cmx270_marathon_off[] = {
+ GPIOxx_LCD_TFT_16BPP,
+};
static int cmx270_marathon_probe(struct fb_info *fb)
{
- /* save PXA-270 pin settings before enabling 2700G */
- save_lcd_regs[0] = GPDR1;
- save_lcd_regs[1] = GPDR2;
- save_lcd_regs[2] = GAFR1_U;
- save_lcd_regs[3] = GAFR2_L;
- save_lcd_regs[4] = GAFR2_U;
-
- /* Disable PXA-270 on-chip controller driving pins */
- GPDR1 &= ~(0xfc000000);
- GPDR2 &= ~(0x00c03fff);
- GAFR1_U &= ~(0xfff00000);
- GAFR2_L &= ~(0x0fffffff);
- GAFR2_U &= ~(0x0000f000);
+ int gpio, err;
+
+ for (gpio = 58; gpio <= 77; gpio++) {
+ err = gpio_request(gpio, "LCD");
+ if (err)
+ return err;
+ gpio_direction_input(gpio);
+ }
+
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_on));
return 0;
}
static int cmx270_marathon_remove(struct fb_info *fb)
{
- GPDR1 = save_lcd_regs[0];
- GPDR2 = save_lcd_regs[1];
- GAFR1_U = save_lcd_regs[2];
- GAFR2_L = save_lcd_regs[3];
- GAFR2_U = save_lcd_regs[4];
+ int gpio;
+
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_off));
+
+ for (gpio = 58; gpio <= 77; gpio++)
+ gpio_free(gpio);
+
return 0;
}
@@ -373,238 +270,11 @@ static void __init cmx270_init_2700G(void)
static inline void cmx270_init_2700G(void) {}
#endif
-#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
-/*
- Display definitions
- keep these for backwards compatibility, although symbolic names (as
- e.g. in lpd270.c) looks better
-*/
-#define MTYPE_STN320x240 0
-#define MTYPE_TFT640x480 1
-#define MTYPE_CRT640x480 2
-#define MTYPE_CRT800x600 3
-#define MTYPE_TFT320x240 6
-#define MTYPE_STN640x480 7
-
-static struct pxafb_mode_info generic_stn_320x240_mode = {
- .pixclock = 76923,
- .bpp = 8,
- .xres = 320,
- .yres = 240,
- .hsync_len = 3,
- .vsync_len = 2,
- .left_margin = 3,
- .upper_margin = 0,
- .right_margin = 3,
- .lower_margin = 0,
- .sync = (FB_SYNC_HOR_HIGH_ACT |
- FB_SYNC_VERT_HIGH_ACT),
- .cmap_greyscale = 0,
-};
-
-static struct pxafb_mach_info generic_stn_320x240 = {
- .modes = &generic_stn_320x240_mode,
- .num_modes = 1,
- .lccr0 = 0,
- .lccr3 = (LCCR3_PixClkDiv(0x03) |
- LCCR3_Acb(0xff) |
- LCCR3_PCP),
- .cmap_inverse = 0,
- .cmap_static = 0,
-};
-
-static struct pxafb_mode_info generic_tft_640x480_mode = {
- .pixclock = 38461,
- .bpp = 8,
- .xres = 640,
- .yres = 480,
- .hsync_len = 60,
- .vsync_len = 2,
- .left_margin = 70,
- .upper_margin = 10,
- .right_margin = 70,
- .lower_margin = 5,
- .sync = 0,
- .cmap_greyscale = 0,
-};
-
-static struct pxafb_mach_info generic_tft_640x480 = {
- .modes = &generic_tft_640x480_mode,
- .num_modes = 1,
- .lccr0 = (LCCR0_PAS),
- .lccr3 = (LCCR3_PixClkDiv(0x01) |
- LCCR3_Acb(0xff) |
- LCCR3_PCP),
- .cmap_inverse = 0,
- .cmap_static = 0,
-};
-
-static struct pxafb_mode_info generic_crt_640x480_mode = {
- .pixclock = 38461,
- .bpp = 8,
- .xres = 640,
- .yres = 480,
- .hsync_len = 63,
- .vsync_len = 2,
- .left_margin = 81,
- .upper_margin = 33,
- .right_margin = 16,
- .lower_margin = 10,
- .sync = (FB_SYNC_HOR_HIGH_ACT |
- FB_SYNC_VERT_HIGH_ACT),
- .cmap_greyscale = 0,
-};
-
-static struct pxafb_mach_info generic_crt_640x480 = {
- .modes = &generic_crt_640x480_mode,
- .num_modes = 1,
- .lccr0 = (LCCR0_PAS),
- .lccr3 = (LCCR3_PixClkDiv(0x01) |
- LCCR3_Acb(0xff)),
- .cmap_inverse = 0,
- .cmap_static = 0,
-};
-
-static struct pxafb_mode_info generic_crt_800x600_mode = {
- .pixclock = 28846,
- .bpp = 8,
- .xres = 800,
- .yres = 600,
- .hsync_len = 63,
- .vsync_len = 2,
- .left_margin = 26,
- .upper_margin = 21,
- .right_margin = 26,
- .lower_margin = 11,
- .sync = (FB_SYNC_HOR_HIGH_ACT |
- FB_SYNC_VERT_HIGH_ACT),
- .cmap_greyscale = 0,
-};
-
-static struct pxafb_mach_info generic_crt_800x600 = {
- .modes = &generic_crt_800x600_mode,
- .num_modes = 1,
- .lccr0 = (LCCR0_PAS),
- .lccr3 = (LCCR3_PixClkDiv(0x02) |
- LCCR3_Acb(0xff)),
- .cmap_inverse = 0,
- .cmap_static = 0,
-};
-
-static struct pxafb_mode_info generic_tft_320x240_mode = {
- .pixclock = 134615,
- .bpp = 16,
- .xres = 320,
- .yres = 240,
- .hsync_len = 63,
- .vsync_len = 7,
- .left_margin = 75,
- .upper_margin = 0,
- .right_margin = 15,
- .lower_margin = 15,
- .sync = 0,
- .cmap_greyscale = 0,
-};
-
-static struct pxafb_mach_info generic_tft_320x240 = {
- .modes = &generic_tft_320x240_mode,
- .num_modes = 1,
- .lccr0 = (LCCR0_PAS),
- .lccr3 = (LCCR3_PixClkDiv(0x06) |
- LCCR3_Acb(0xff) |
- LCCR3_PCP),
- .cmap_inverse = 0,
- .cmap_static = 0,
-};
-
-static struct pxafb_mode_info generic_stn_640x480_mode = {
- .pixclock = 57692,
- .bpp = 8,
- .xres = 640,
- .yres = 480,
- .hsync_len = 4,
- .vsync_len = 2,
- .left_margin = 10,
- .upper_margin = 5,
- .right_margin = 10,
- .lower_margin = 5,
- .sync = (FB_SYNC_HOR_HIGH_ACT |
- FB_SYNC_VERT_HIGH_ACT),
- .cmap_greyscale = 0,
-};
-
-static struct pxafb_mach_info generic_stn_640x480 = {
- .modes = &generic_stn_640x480_mode,
- .num_modes = 1,
- .lccr0 = 0,
- .lccr3 = (LCCR3_PixClkDiv(0x02) |
- LCCR3_Acb(0xff)),
- .cmap_inverse = 0,
- .cmap_static = 0,
-};
-
-static struct pxafb_mach_info *cmx270_display = &generic_crt_640x480;
-
-static int __init cmx270_set_display(char *str)
-{
- int disp_type = simple_strtol(str, NULL, 0);
- switch (disp_type) {
- case MTYPE_STN320x240:
- cmx270_display = &generic_stn_320x240;
- break;
- case MTYPE_TFT640x480:
- cmx270_display = &generic_tft_640x480;
- break;
- case MTYPE_CRT640x480:
- cmx270_display = &generic_crt_640x480;
- break;
- case MTYPE_CRT800x600:
- cmx270_display = &generic_crt_800x600;
- break;
- case MTYPE_TFT320x240:
- cmx270_display = &generic_tft_320x240;
- break;
- case MTYPE_STN640x480:
- cmx270_display = &generic_stn_640x480;
- break;
- default: /* fallback to CRT 640x480 */
- cmx270_display = &generic_crt_640x480;
- break;
- }
- return 1;
-}
-
-/*
- This should be done really early to get proper configuration for
- frame buffer.
- Indeed, pxafb parameters can be used istead, but CM-X270 bootloader
- has limitied line length for kernel command line, and also it will
- break compatibitlty with proprietary releases already in field.
-*/
-__setup("monitor=", cmx270_set_display);
-
-static void __init cmx270_init_display(void)
-{
- set_pxa_fb_info(cmx270_display);
-}
-#else
-static inline void cmx270_init_display(void) {}
-#endif
-
/* PXA27x OHCI controller setup */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-static int cmx270_ohci_init(struct device *dev)
-{
- /* Set the Power Control Polarity Low */
- UHCHR = (UHCHR | UHCHR_PCPL) &
- ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
-
- return 0;
-}
-
static struct pxaohci_platform_data cmx270_ohci_platform_data = {
.port_mode = PMM_PERPORT_MODE,
- .init = cmx270_ohci_init,
+ .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
};
static void __init cmx270_init_ohci(void)
@@ -616,56 +286,12 @@ static inline void cmx270_init_ohci(void) {}
#endif
#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
-static int cmx270_mci_init(struct device *dev,
- irq_handler_t cmx270_detect_int,
- void *data)
-{
- int err;
-
- err = gpio_request(GPIO105_MMC_POWER, "MMC/SD power");
- if (err) {
- dev_warn(dev, "power gpio unavailable\n");
- return err;
- }
-
- gpio_direction_output(GPIO105_MMC_POWER, 0);
-
- err = request_irq(CMX270_MMC_IRQ, cmx270_detect_int,
- IRQF_DISABLED | IRQF_TRIGGER_FALLING,
- "MMC card detect", data);
- if (err) {
- gpio_free(GPIO105_MMC_POWER);
- dev_err(dev, "cmx270_mci_init: MMC/SD: can't"
- " request MMC card detect IRQ\n");
- }
-
- return err;
-}
-
-static void cmx270_mci_setpower(struct device *dev, unsigned int vdd)
-{
- struct pxamci_platform_data *p_d = dev->platform_data;
-
- if ((1 << vdd) & p_d->ocr_mask) {
- dev_dbg(dev, "power on\n");
- gpio_set_value(GPIO105_MMC_POWER, 0);
- } else {
- gpio_set_value(GPIO105_MMC_POWER, 1);
- dev_dbg(dev, "power off\n");
- }
-}
-
-static void cmx270_mci_exit(struct device *dev, void *data)
-{
- free_irq(CMX270_MMC_IRQ, data);
- gpio_free(GPIO105_MMC_POWER);
-}
-
static struct pxamci_platform_data cmx270_mci_platform_data = {
- .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
- .init = cmx270_mci_init,
- .setpower = cmx270_mci_setpower,
- .exit = cmx270_mci_exit,
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .gpio_card_detect = GPIO83_MMC_IRQ,
+ .gpio_card_ro = -1,
+ .gpio_power = GPIO105_MMC_POWER,
+ .gpio_power_invert = 1,
};
static void __init cmx270_init_mmc(void)
@@ -676,131 +302,111 @@ static void __init cmx270_init_mmc(void)
static inline void cmx270_init_mmc(void) {}
#endif
-#ifdef CONFIG_PM
-static unsigned long sleep_save_msc[10];
+#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
+static struct pxa2xx_spi_master cm_x270_spi_info = {
+ .num_chipselect = 1,
+ .enable_dma = 1,
+};
-static int cmx270_suspend(struct sys_device *dev, pm_message_t state)
-{
- cmx270_pci_suspend();
-
- /* save MSC registers */
- sleep_save_msc[0] = MSC0;
- sleep_save_msc[1] = MSC1;
- sleep_save_msc[2] = MSC2;
-
- /* setup power saving mode registers */
- PCFR = 0x0;
- PSLR = 0xff400000;
- PMCR = 0x00000005;
- PWER = 0x80000000;
- PFER = 0x00000000;
- PRER = 0x00000000;
- PGSR0 = 0xC0018800;
- PGSR1 = 0x004F0002;
- PGSR2 = 0x6021C000;
- PGSR3 = 0x00020000;
+static struct pxa2xx_spi_chip cm_x270_libertas_chip = {
+ .rx_threshold = 1,
+ .tx_threshold = 1,
+ .timeout = 1000,
+ .gpio_cs = 14,
+};
- return 0;
-}
+static unsigned long cm_x270_libertas_pin_config[] = {
+ /* SSP2 */
+ GPIO19_SSP2_SCLK,
+ GPIO14_GPIO,
+ GPIO87_SSP2_TXD,
+ GPIO88_SSP2_RXD,
-static int cmx270_resume(struct sys_device *dev)
+};
+
+static int cm_x270_libertas_setup(struct spi_device *spi)
{
- cmx270_pci_resume();
+ int err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
+ if (err)
+ return err;
- /* restore MSC registers */
- MSC0 = sleep_save_msc[0];
- MSC1 = sleep_save_msc[1];
- MSC2 = sleep_save_msc[2];
+ err = gpio_request(GPIO102_WLAN_RST, "WLAN RST");
+ if (err)
+ goto err_free_strap;
- return 0;
-}
+ err = gpio_direction_output(GPIO102_WLAN_RST, 0);
+ if (err)
+ goto err_free_strap;
+ msleep(100);
-static struct sysdev_class cmx270_pm_sysclass = {
- .name = "pm",
- .resume = cmx270_resume,
- .suspend = cmx270_suspend,
-};
+ err = gpio_direction_output(GPIO19_WLAN_STRAP, 1);
+ if (err)
+ goto err_free_strap;
+ msleep(100);
-static struct sys_device cmx270_pm_device = {
- .cls = &cmx270_pm_sysclass,
-};
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(cm_x270_libertas_pin_config));
-static int __init cmx270_pm_init(void)
-{
- int error;
- error = sysdev_class_register(&cmx270_pm_sysclass);
- if (error == 0)
- error = sysdev_register(&cmx270_pm_device);
- return error;
-}
-#else
-static int __init cmx270_pm_init(void) { return 0; }
-#endif
+ gpio_set_value(GPIO102_WLAN_RST, 1);
+ msleep(100);
-#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
-static void __init cmx270_init_ac97(void)
-{
- pxa_set_ac97_info(NULL);
-}
-#else
-static inline void cmx270_init_ac97(void) {}
-#endif
+ spi->bits_per_word = 16;
+ spi_setup(spi);
-static void __init cmx270_init(void)
-{
- cmx270_pm_init();
+ return 0;
- pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
+err_free_strap:
+ gpio_free(GPIO19_WLAN_STRAP);
- cmx270_init_dm9000();
- cmx270_init_rtc();
- cmx270_init_display();
- cmx270_init_mmc();
- cmx270_init_ohci();
- cmx270_init_ac97();
- cmx270_init_touchscreen();
- cmx270_init_leds();
- cmx270_init_2700G();
+ return err;
}
-static void __init cmx270_init_irq(void)
+static int cm_x270_libertas_teardown(struct spi_device *spi)
{
- pxa27x_init_irq();
+ gpio_set_value(GPIO102_WLAN_RST, 0);
+ gpio_free(GPIO102_WLAN_RST);
+ gpio_free(GPIO19_WLAN_STRAP);
- cmx270_pci_init_irq(GPIO22_IT8152_IRQ);
+ return 0;
}
-#ifdef CONFIG_PCI
-/* Map PCI companion statically */
-static struct map_desc cmx270_io_desc[] __initdata = {
- [0] = { /* PCI bridge */
- .virtual = CMX270_IT8152_VIRT,
- .pfn = __phys_to_pfn(PXA_CS4_PHYS),
- .length = SZ_64M,
- .type = MT_DEVICE
+struct libertas_spi_platform_data cm_x270_libertas_pdata = {
+ .use_dummy_writes = 1,
+ .setup = cm_x270_libertas_setup,
+ .teardown = cm_x270_libertas_teardown,
+};
+
+static struct spi_board_info cm_x270_spi_devices[] __initdata = {
+ {
+ .modalias = "libertas_spi",
+ .max_speed_hz = 13000000,
+ .bus_num = 2,
+ .irq = PXA_GPIO_TO_IRQ(95),
+ .chip_select = 0,
+ .controller_data = &cm_x270_libertas_chip,
+ .platform_data = &cm_x270_libertas_pdata,
},
};
-static void __init cmx270_map_io(void)
+static void __init cmx270_init_spi(void)
{
- pxa_map_io();
- iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc));
-
- it8152_base_address = CMX270_IT8152_VIRT;
+ pxa2xx_set_spi_info(2, &cm_x270_spi_info);
+ spi_register_board_info(ARRAY_AND_SIZE(cm_x270_spi_devices));
}
#else
-static void __init cmx270_map_io(void)
+static inline void cmx270_init_spi(void) {}
+#endif
+
+void __init cmx270_init(void)
{
- pxa_map_io();
-}
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
+
+#ifdef CONFIG_PM
+ pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
#endif
-MACHINE_START(ARMCORE, "Compulab CM-x270")
- .boot_params = 0xa0000100,
- .phys_io = 0x40000000,
- .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
- .map_io = cmx270_map_io,
- .init_irq = cmx270_init_irq,
- .timer = &pxa_timer,
- .init_machine = cmx270_init,
-MACHINE_END
+ cmx270_init_rtc();
+ cmx270_init_mmc();
+ cmx270_init_ohci();
+ cmx270_init_2700G();
+ cmx270_init_spi();
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-10 03:48:33 +0000