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-rw-r--r--arch/arm/mach-pxa/cm-x270.c749
1 files changed, 261 insertions, 488 deletions
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
index 01b9964acec..2503db9e325 100644
--- a/arch/arm/mach-pxa/cm-x270.c
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -1,7 +1,7 @@
/*
* linux/arch/arm/mach-pxa/cm-x270.c
*
- * Copyright (C) 2007 CompuLab, Ltd.
+ * Copyright (C) 2007, 2008 CompuLab, Ltd.
* Mike Rapoport <mike@compulab.co.il>
*
* This program is free software; you can redistribute it and/or modify
@@ -9,86 +9,123 @@
* published by the Free Software Foundation.
*/
-#include <linux/types.h>
-#include <linux/pm.h>
-#include <linux/fb.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
-#include <linux/sysdev.h>
-#include <linux/io.h>
+#include <linux/gpio.h>
#include <linux/delay.h>
-#include <linux/dm9000.h>
#include <linux/rtc-v3020.h>
-#include <linux/serial_8250.h>
-
#include <video/mbxfb.h>
-#include <asm/mach/arch.h>
-#include <asm/mach-types.h>
-#include <asm/mach/map.h>
-
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/pxa2xx-regs.h>
-#include <asm/arch/pxa2xx-gpio.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/arch/cm-x270.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/pxa2xx_spi.h>
+#include <linux/spi/libertas_spi.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"
+/* 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))
-static struct resource cmx270_dm9k_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,
- }
+/* GPIO IRQ usage */
+#define GPIO83_MMC_IRQ (83)
+
+#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,
+ GPIO29_AC97_SDATA_IN_0,
+ GPIO30_AC97_SDATA_OUT,
+ GPIO31_AC97_SYNC,
+ GPIO98_AC97_SYSCLK,
+ GPIO113_AC97_nRESET,
+
+ /* BTUART */
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS,
+
+ /* STUART */
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+
+ /* MCI controller */
+ GPIO32_MMC_CLK,
+ GPIO112_MMC_CMD,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+
+ /* LCD */
+ GPIOxx_LCD_TFT_16BPP,
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* SSP1 */
+ GPIO23_SSP1_SCLK,
+ GPIO24_SSP1_SFRM,
+ GPIO25_SSP1_TXD,
+ GPIO26_SSP1_RXD,
+
+ /* SSP2 */
+ GPIO19_GPIO, /* SSP2 clock is used as GPIO for Libertas pin-strap */
+ GPIO14_GPIO,
+ GPIO87_SSP2_TXD,
+ GPIO88_SSP2_RXD,
+
+ /* PC Card */
+ GPIO48_nPOE,
+ GPIO49_nPWE,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO85_nPCE_1,
+ GPIO54_nPCE_2,
+ GPIO55_nPREG,
+ GPIO56_nPWAIT,
+ GPIO57_nIOIS16,
+
+ /* SDRAM and local bus */
+ GPIO15_nCS_1,
+ GPIO78_nCS_2,
+ GPIO79_nCS_3,
+ GPIO80_nCS_4,
+ GPIO33_nCS_5,
+ GPIO49_nPWE,
+ GPIO18_RDY,
+
+ /* GPIO */
+ 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# */
+ GPIO89_GPIO, /* NAND Ready/Busy */
+
+ /* interrupts */
+ GPIO10_GPIO, /* DM9000 interrupt */
+ GPIO83_GPIO, /* MMC card detect */
+ GPIO95_GPIO, /* WLAN interrupt */
};
-/* for the moment we limit ourselves to 32bit IO until some
- * better IO routines can be written and tested
- */
-static struct dm9000_plat_data cmx270_dm9k_platdata = {
- .flags = DM9000_PLATF_32BITONLY,
-};
-
-/* Ethernet device */
-static struct platform_device cmx270_device_dm9k = {
- .name = "dm9000",
- .id = 0,
- .num_resources = ARRAY_SIZE(cmx270_dm9k_resource),
- .resource = cmx270_dm9k_resource,
- .dev = {
- .platform_data = &cmx270_dm9k_platdata,
- }
-};
-
-/* touchscreen controller */
-static struct platform_device cmx270_ts_device = {
- .name = "ucb1400_ts",
- .id = -1,
-};
-
-/* RTC */
+/* V3020 RTC */
+#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
static struct resource cmx270_v3020_resource[] = {
[0] = {
.start = RTC_PHYS_BASE,
@@ -111,59 +148,84 @@ static struct platform_device cmx270_rtc_device = {
}
};
-/*
- * CM-X270 LEDs
- */
-static struct platform_device cmx270_led_device = {
- .name = "cm-x270-led",
- .id = -1,
-};
+static void __init cmx270_init_rtc(void)
+{
+ platform_device_register(&cmx270_rtc_device);
+}
+#else
+static inline void cmx270_init_rtc(void) {}
+#endif
/* 2700G graphics */
+#if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE)
static u64 fb_dma_mask = ~(u64)0;
static struct resource cmx270_2700G_resource[] = {
/* frame buffer memory including ODFB and External SDRAM */
[0] = {
- .start = MARATHON_PHYS,
- .end = MARATHON_PHYS + 0x02000000,
+ .start = PXA_CS2_PHYS,
+ .end = PXA_CS2_PHYS + 0x01ffffff,
.flags = IORESOURCE_MEM,
},
/* Marathon registers */
[1] = {
- .start = MARATHON_PHYS + 0x03fe0000,
- .end = MARATHON_PHYS + 0x03ffffff,
+ .start = PXA_CS2_PHYS + 0x03fe0000,
+ .end = PXA_CS2_PHYS + 0x03ffffff,
.flags = IORESOURCE_MEM,
},
};
-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;
}
@@ -200,440 +262,151 @@ static struct platform_device cmx270_2700G = {
.id = -1,
};
-static u64 ata_dma_mask = ~(u64)0;
-
-static struct platform_device cmx270_ata = {
- .name = "pata_cm_x270",
- .id = -1,
- .dev = {
- .dma_mask = &ata_dma_mask,
- .coherent_dma_mask = 0xffffffff,
- },
-};
-
-/* platform devices */
-static struct platform_device *platform_devices[] __initdata = {
- &cmx270_device_dm9k,
- &cmx270_rtc_device,
- &cmx270_2700G,
- &cmx270_led_device,
- &cmx270_ts_device,
- &cmx270_ata,
-};
-
-/* Map PCI companion and IDE/General Purpose CS statically */
-static struct map_desc cmx270_io_desc[] __initdata = {
- [0] = { /* IDE/general purpose space */
- .virtual = CMX270_IDE104_VIRT,
- .pfn = __phys_to_pfn(CMX270_IDE104_PHYS),
- .length = SZ_64M - SZ_8M,
- .type = MT_DEVICE
- },
- [1] = { /* PCI bridge */
- .virtual = CMX270_IT8152_VIRT,
- .pfn = __phys_to_pfn(CMX270_IT8152_PHYS),
- .length = SZ_64M,
- .type = MT_DEVICE
- },
-};
-
-/*
- 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 void __init cmx270_init_2700G(void)
+{
+ platform_device_register(&cmx270_2700G);
+}
+#else
+static inline void cmx270_init_2700G(void) {}
+#endif
-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,
+/* PXA27x OHCI controller setup */
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static struct pxaohci_platform_data cmx270_ohci_platform_data = {
+ .port_mode = PMM_PERPORT_MODE,
+ .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW,
};
-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 void __init cmx270_init_ohci(void)
+{
+ pxa_set_ohci_info(&cmx270_ohci_platform_data);
+}
+#else
+static inline void cmx270_init_ohci(void) {}
+#endif
-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,
+#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
+static struct pxamci_platform_data cmx270_mci_platform_data = {
+ .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 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 void __init cmx270_init_mmc(void)
+{
+ pxa_set_mci_info(&cmx270_mci_platform_data);
+}
+#else
+static inline void cmx270_init_mmc(void) {}
+#endif
-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,
+#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 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 pxa2xx_spi_chip cm_x270_libertas_chip = {
+ .rx_threshold = 1,
+ .tx_threshold = 1,
+ .timeout = 1000,
+ .gpio_cs = 14,
};
-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 unsigned long cm_x270_libertas_pin_config[] = {
+ /* SSP2 */
+ GPIO19_SSP2_SCLK,
+ GPIO14_GPIO,
+ GPIO87_SSP2_TXD,
+ GPIO88_SSP2_RXD,
-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)
+static int cm_x270_libertas_setup(struct spi_device *spi)
{
- 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);
-
-/* PXA27x OHCI controller setup */
-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;
-}
+ int err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP");
+ if (err)
+ return err;
-static struct pxaohci_platform_data cmx270_ohci_platform_data = {
- .port_mode = PMM_PERPORT_MODE,
- .init = cmx270_ohci_init,
-};
+ err = gpio_request(GPIO102_WLAN_RST, "WLAN RST");
+ if (err)
+ goto err_free_strap;
+ err = gpio_direction_output(GPIO102_WLAN_RST, 0);
+ if (err)
+ goto err_free_strap;
+ msleep(100);
-static int cmx270_mci_init(struct device *dev,
- irq_handler_t cmx270_detect_int,
- void *data)
-{
- int err;
-
- /*
- * setup GPIO for PXA27x MMC controller
- */
- pxa_gpio_mode(GPIO32_MMCCLK_MD);
- pxa_gpio_mode(GPIO112_MMCCMD_MD);
- pxa_gpio_mode(GPIO92_MMCDAT0_MD);
- pxa_gpio_mode(GPIO109_MMCDAT1_MD);
- pxa_gpio_mode(GPIO110_MMCDAT2_MD);
- pxa_gpio_mode(GPIO111_MMCDAT3_MD);
-
- /* SB-X270 uses GPIO105 as SD power enable */
- pxa_gpio_mode(105 | GPIO_OUT);
-
- /* card detect IRQ on GPIO 83 */
- pxa_gpio_mode(IRQ_TO_GPIO(CMX270_MMC_IRQ));
-
- err = request_irq(CMX270_MMC_IRQ, cmx270_detect_int,
- IRQF_DISABLED | IRQF_TRIGGER_FALLING,
- "MMC card detect", data);
+ err = gpio_direction_output(GPIO19_WLAN_STRAP, 1);
if (err)
- printk(KERN_ERR "cmx270_mci_init: MMC/SD: can't"
- " request MMC card detect IRQ\n");
+ goto err_free_strap;
+ msleep(100);
- return err;
-}
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(cm_x270_libertas_pin_config));
-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) {
- printk(KERN_DEBUG "%s: on\n", __func__);
- GPCR(105) = GPIO_bit(105);
- } else {
- GPSR(105) = GPIO_bit(105);
- printk(KERN_DEBUG "%s: off\n", __func__);
- }
-}
-
-static void cmx270_mci_exit(struct device *dev, void *data)
-{
- free_irq(CMX270_MMC_IRQ, data);
-}
+ gpio_set_value(GPIO102_WLAN_RST, 1);
+ msleep(100);
-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,
-};
+ spi->bits_per_word = 16;
+ spi_setup(spi);
-#ifdef CONFIG_PM
-static unsigned long sleep_save_msc[10];
+ return 0;
-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;
+err_free_strap:
+ gpio_free(GPIO19_WLAN_STRAP);
- return 0;
+ return err;
}
-static int cmx270_resume(struct sys_device *dev)
+static int cm_x270_libertas_teardown(struct spi_device *spi)
{
- cmx270_pci_resume();
-
- /* restore MSC registers */
- MSC0 = sleep_save_msc[0];
- MSC1 = sleep_save_msc[1];
- MSC2 = sleep_save_msc[2];
+ gpio_set_value(GPIO102_WLAN_RST, 0);
+ gpio_free(GPIO102_WLAN_RST);
+ gpio_free(GPIO19_WLAN_STRAP);
return 0;
}
-static struct sysdev_class cmx270_pm_sysclass = {
- .name = "pm",
- .resume = cmx270_resume,
- .suspend = cmx270_suspend,
+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 sys_device cmx270_pm_device = {
- .cls = &cmx270_pm_sysclass,
+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 int __init cmx270_pm_init(void)
+static void __init cmx270_init_spi(void)
{
- int error;
- error = sysdev_class_register(&cmx270_pm_sysclass);
- if (error == 0)
- error = sysdev_register(&cmx270_pm_device);
- return error;
+ pxa2xx_set_spi_info(2, &cm_x270_spi_info);
+ spi_register_board_info(ARRAY_AND_SIZE(cm_x270_spi_devices));
}
#else
-static int __init cmx270_pm_init(void) { return 0; }
+static inline void cmx270_init_spi(void) {}
#endif
-static void __init cmx270_init(void)
-{
- cmx270_pm_init();
-
- set_pxa_fb_info(cmx270_display);
-
- /* register CM-X270 platform devices */
- platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
- pxa_set_ac97_info(NULL);
-
- /* set MCI and OHCI platform parameters */
- pxa_set_mci_info(&cmx270_mci_platform_data);
- pxa_set_ohci_info(&cmx270_ohci_platform_data);
-
- /* This enables the STUART */
- pxa_gpio_mode(GPIO46_STRXD_MD);
- pxa_gpio_mode(GPIO47_STTXD_MD);
-
- /* This enables the BTUART */
- pxa_gpio_mode(GPIO42_BTRXD_MD);
- pxa_gpio_mode(GPIO43_BTTXD_MD);
- pxa_gpio_mode(GPIO44_BTCTS_MD);
- pxa_gpio_mode(GPIO45_BTRTS_MD);
-}
-
-static void __init cmx270_init_irq(void)
+void __init cmx270_init(void)
{
- pxa27x_init_irq();
-
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
- cmx270_pci_init_irq();
-
- /* Setup interrupt for dm9000 */
- pxa_gpio_mode(IRQ_TO_GPIO(CMX270_ETHIRQ));
- set_irq_type(CMX270_ETHIRQ, IRQT_RISING);
-
- /* Setup interrupt for 2700G */
- pxa_gpio_mode(IRQ_TO_GPIO(CMX270_GFXIRQ));
- set_irq_type(CMX270_GFXIRQ, IRQT_FALLING);
-}
+#ifdef CONFIG_PM
+ pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP);
+#endif
-static void __init cmx270_map_io(void)
-{
- pxa_map_io();
- iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc));
+ cmx270_init_rtc();
+ cmx270_init_mmc();
+ cmx270_init_ohci();
+ cmx270_init_2700G();
+ cmx270_init_spi();
}
-
-
-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
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-20 17:45:54 +0000