--- /dev/null
+/*
+ * 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();
+}
git.openpandora.org / pandora-kernel.git / blobdiff