From 4adc5fb6733213ab68750f722630d1b9d5655bc1 Mon Sep 17 00:00:00 2001
From: Mike Rapoport <mike@compulab.co.il>
Date: Sun, 5 Oct 2008 10:26:10 +0100
Subject: [ARM] 5281/1: pxa: split cm-x2xx.c to cm-x2xx.c and cm-x270.c

Signed-off-by: Russ Dill <russ.dill@gmail.com>
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-pxa/cm-x270.c | 351 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 351 insertions(+)
 create mode 100644 arch/arm/mach-pxa/cm-x270.c

(limited to 'arch/arm/mach-pxa/cm-x270.c')

diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
new file mode 100644
index 00000000000..102a4318661
--- /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();
+}
-- 
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