1 files changed, 351 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
new file mode 100644
index 000000000000..102a43186618
--- /dev/null
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -0,0 +1,351 @@
+/*
+ * linux/arch/arm/mach-pxa/cm-x270.c
+ *
+ * Copyright (C) 2007, 2008 CompuLab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/sysdev.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+
+#include <linux/rtc-v3020.h>
+#include <video/mbxfb.h>
+
+#include <mach/mfp-pxa27x.h>
+#include <mach/ohci.h>
+#include <mach/mmc.h>
+
+#include "generic.h"
+
+/* physical address if local-bus attached devices */
+#define RTC_PHYS_BASE           (PXA_CS1_PHYS + (5 << 22))
+
+/* GPIO IRQ usage */
+#define GPIO83_MMC_IRQ          (83)
+
+#define CMX270_MMC_IRQ          IRQ_GPIO(GPIO83_MMC_IRQ)
+
+/* MMC power enable */
+#define GPIO105_MMC_POWER       (105)
+
+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 */
+        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,
+
+        /* I2C */
+        GPIO117_I2C_SCL,
+        GPIO118_I2C_SDA,
+
+        /* SSP1 */
+        GPIO23_SSP1_SCLK,
+        GPIO24_SSP1_SFRM,
+        GPIO25_SSP1_TXD,
+        GPIO26_SSP1_RXD,
+
+        /* SSP2 */
+        GPIO19_SSP2_SCLK,
+        GPIO14_SSP2_SFRM,
+        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 */
+
+        /* 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 */
+};
+
+/* 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,
+                .end   = RTC_PHYS_BASE + 4,
+                .flags = IORESOURCE_MEM,
+        },
+};
+
+struct v3020_platform_data cmx270_v3020_pdata = {
+        .leftshift = 16,
+};
+
+static struct platform_device cmx270_rtc_device = {
+        .name           = "v3020",
+        .num_resources  = ARRAY_SIZE(cmx270_v3020_resource),
+        .resource       = cmx270_v3020_resource,
+        .id             = -1,
+        .dev            = {
+                .platform_data = &cmx270_v3020_pdata,
+        }
+};
+
+static void __init cmx270_init_rtc(void)
+{
+        platform_device_register(&cmx270_rtc_device);
+}
+#else
+static inline void cmx2xx_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 = PXA_CS2_PHYS,
+                .end   = PXA_CS2_PHYS + 0x01ffffff,
+                .flags = IORESOURCE_MEM,
+        },
+        /* Marathon registers */
+        [1] = {
+                .start = PXA_CS2_PHYS + 0x03fe0000,
+                .end   = PXA_CS2_PHYS + 0x03ffffff,
+                .flags = IORESOURCE_MEM,
+        },
+};
+
+static unsigned long save_lcd_regs[10];
+
+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);
+        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];
+        return 0;
+}
+
+static struct mbxfb_platform_data cmx270_2700G_data = {
+        .xres = {
+                .min = 240,
+                .max = 1200,
+                .defval = 640,
+        },
+        .yres = {
+                .min = 240,
+                .max = 1200,
+                .defval = 480,
+        },
+        .bpp = {
+                .min = 16,
+                .max = 32,
+                .defval = 16,
+        },
+        .memsize = 8*1024*1024,
+        .probe = cmx270_marathon_probe,
+        .remove = cmx270_marathon_remove,
+};
+
+static struct platform_device cmx270_2700G = {
+        .name           = "mbx-fb",
+        .dev            = {
+                .platform_data  = &cmx270_2700G_data,
+                .dma_mask       = &fb_dma_mask,
+                .coherent_dma_mask = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(cmx270_2700G_resource),
+        .resource       = cmx270_2700G_resource,
+        .id             = -1,
+};
+
+static void __init cmx270_init_2700G(void)
+{
+        platform_device_register(&cmx270_2700G);
+}
+#else
+static inline void cmx270_init_2700G(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,
+};
+
+static void __init cmx270_init_ohci(void)
+{
+        pxa_set_ohci_info(&cmx270_ohci_platform_data);
+}
+#else
+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,
+};
+
+static void __init cmx270_init_mmc(void)
+{
+        pxa_set_mci_info(&cmx270_mci_platform_data);
+}
+#else
+static inline void cmx270_init_mmc(void) {}
+#endif
+
+void __init cmx270_init(void)
+{
+        pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
+
+        cmx270_init_rtc();
+        cmx270_init_mmc();
+        cmx270_init_ohci();
+        cmx270_init_2700G();
+}