[ARM] pxa/colibri270: Split module and base board code

Follow the idea of several MX31 based boards and split code that is
related to the module from code that is baseboard specific. This makes
adding new base board support easier, while avoiding code duplication.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/Kconfig

@@ -238,6 +238,10 @@ config MACH_COLIBRI
 	bool "Toradex Colibri PXA270"
 	select PXA27x
 
+config MACH_COLIBRI_PXA270_EVALBOARD
+	bool "Toradex Colibri Evaluation Carrier Board support (PXA270)"
+	depends on MACH_COLIBRI
+
 config MACH_COLIBRI300
 	bool "Toradex Colibri PXA300/310"
 	select PXA3xx

arch/arm/mach-pxa/Makefile

@@ -58,7 +58,8 @@ obj-$(CONFIG_MACH_TRIZEPS4)	+= trizeps4.o
 obj-$(CONFIG_MACH_LOGICPD_PXA270)	+= lpd270.o
 obj-$(CONFIG_MACH_PCM027)		+= pcm027.o
 obj-$(CONFIG_MACH_PCM990_BASEBOARD)	+= pcm990-baseboard.o
-obj-$(CONFIG_MACH_COLIBRI)	+= colibri-pxa270.o
+obj-$(CONFIG_MACH_COLIBRI)			+= colibri-pxa270.o
+obj-$(CONFIG_MACH_COLIBRI_PXA270_EVALBOARD)	+= colibri-pxa270-evalboard.o
 obj-$(CONFIG_MACH_COLIBRI300)	+= colibri-pxa3xx.o colibri-pxa300.o
 obj-$(CONFIG_MACH_COLIBRI320)	+= colibri-pxa3xx.o colibri-pxa320.o
 obj-$(CONFIG_MACH_VPAC270)	+= vpac270.o

arch/arm/mach-pxa/colibri-pxa270-evalboard.c

@@ -0,0 +1,111 @@
+/*
+ *  linux/arch/arm/mach-pxa/colibri-pxa270-evalboard.c
+ *
+ *  Support for Toradex PXA270 based Colibri Evaluation Carrier Board
+ *  Daniel Mack <daniel@caiaq.de>
+ *  Marek Vasut <marek.vasut@gmail.com>
+ *
+ *  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/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/sysdev.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/mach/arch.h>
+
+#include <mach/pxa27x.h>
+#include <mach/colibri.h>
+#include <mach/mmc.h>
+#include <mach/ohci.h>
+#include <mach/pxa27x-udc.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {
+	/* MMC */
+	GPIO32_MMC_CLK,
+	GPIO92_MMC_DAT_0,
+	GPIO109_MMC_DAT_1,
+	GPIO110_MMC_DAT_2,
+	GPIO111_MMC_DAT_3,
+	GPIO112_MMC_CMD,
+	GPIO0_GPIO,	/* SD detect */
+
+	/* FFUART */
+	GPIO39_FFUART_TXD,
+	GPIO34_FFUART_RXD,
+
+	/* UHC */
+	GPIO88_USBH1_PWR,
+	GPIO89_USBH1_PEN,
+	GPIO119_USBH2_PWR,
+	GPIO120_USBH2_PEN,
+};
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
+static struct pxamci_platform_data colibri_pxa270_mci_platform_data = {
+	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.gpio_power		= -1,
+	.gpio_card_detect	= GPIO0_COLIBRI_PXA270_SD_DETECT,
+	.gpio_card_ro		= -1,
+	.detect_delay_ms	= 200,
+};
+
+static void __init colibri_pxa270_mmc_init(void)
+{
+	pxa_set_mci_info(&colibri_pxa270_mci_platform_data);
+}
+#else
+static inline void colibri_pxa270_mmc_init(void) {}
+#endif
+
+/******************************************************************************
+ * USB Host
+ ******************************************************************************/
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static int colibri_pxa270_ohci_init(struct device *dev)
+{
+	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
+	return 0;
+}
+
+static struct pxaohci_platform_data colibri_pxa270_ohci_info = {
+	.port_mode	= PMM_PERPORT_MODE,
+	.flags		= ENABLE_PORT1 | ENABLE_PORT2 |
+			  POWER_CONTROL_LOW | POWER_SENSE_LOW,
+	.init		= colibri_pxa270_ohci_init,
+};
+
+static void __init colibri_pxa270_uhc_init(void)
+{
+	pxa_set_ohci_info(&colibri_pxa270_ohci_info);
+}
+#else
+static inline void colibri_pxa270_uhc_init(void) {}
+#endif
+
+void __init colibri_pxa270_evalboard_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_evalboard_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
+	colibri_pxa270_mmc_init();
+	colibri_pxa270_uhc_init();
+}
+

arch/arm/mach-pxa/colibri-pxa270.c

@@ -11,36 +11,26 @@
  */
 
 #include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/sysdev.h>
 #include <linux/interrupt.h>
-#include <linux/bitops.h>
+#include <linux/kernel.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
-#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/sysdev.h>
 #include <linux/ucb1400.h>
-#include <asm/mach-types.h>
+
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/sizes.h>
 #include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
 #include <asm/mach/flash.h>
+#include <asm/mach-types.h>
+#include <asm/sizes.h>
 
 #include <mach/audio.h>
-#include <mach/pxa27x.h>
 #include <mach/colibri.h>
-#include <mach/mmc.h>
+#include <mach/pxa27x.h>
-#include <mach/ohci.h>
-#include <mach/pxa27x-udc.h>
 
-#include "generic.h"
 #include "devices.h"
+#include "generic.h"
 
 /******************************************************************************
  * Pin configuration
@@ -50,25 +40,6 @@ static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
 	GPIO78_nCS_2,	/* Ethernet CS */
 	GPIO114_GPIO,	/* Ethernet IRQ */
 
-	/* MMC */
-	GPIO32_MMC_CLK,
-	GPIO92_MMC_DAT_0,
-	GPIO109_MMC_DAT_1,
-	GPIO110_MMC_DAT_2,
-	GPIO111_MMC_DAT_3,
-	GPIO112_MMC_CMD,
-	GPIO0_GPIO,	/* SD detect */
-
-	/* FFUART */
-	GPIO39_FFUART_TXD,
-	GPIO34_FFUART_RXD,
-
-	/* UHC */
-	GPIO88_USBH1_PWR,
-	GPIO89_USBH1_PEN,
-	GPIO119_USBH2_PWR,
-	GPIO120_USBH2_PEN,
-
 	/* AC97 */
 	GPIO28_AC97_BITCLK,
 	GPIO29_AC97_SDATA_IN_0,
@@ -171,51 +142,6 @@ static void __init colibri_pxa270_eth_init(void)
 static inline void colibri_pxa270_eth_init(void) {}
 #endif
 
-/******************************************************************************
- * SD/MMC card controller
- ******************************************************************************/
-#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
-static struct pxamci_platform_data colibri_pxa270_mci_platform_data = {
-	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
-	.gpio_power		= -1,
-	.gpio_card_detect	= GPIO0_COLIBRI_PXA270_SD_DETECT,
-	.gpio_card_ro		= -1,
-	.detect_delay_ms	= 200,
-};
-
-static void __init colibri_pxa270_mmc_init(void)
-{
-	pxa_set_mci_info(&colibri_pxa270_mci_platform_data);
-}
-#else
-static inline void colibri_pxa270_mmc_init(void) {}
-#endif
-
-/******************************************************************************
- * USB Host
- ******************************************************************************/
-#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-static int colibri_pxa270_ohci_init(struct device *dev)
-{
-	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
-	return 0;
-}
-
-static struct pxaohci_platform_data colibri_pxa270_ohci_info = {
-	.port_mode	= PMM_PERPORT_MODE,
-	.flags		= ENABLE_PORT1 | ENABLE_PORT2 |
-			POWER_CONTROL_LOW | POWER_SENSE_LOW,
-	.init		= colibri_pxa270_ohci_init,
-};
-
-static void __init colibri_pxa270_uhc_init(void)
-{
-	pxa_set_ohci_info(&colibri_pxa270_ohci_info);
-}
-#else
-static inline void colibri_pxa270_uhc_init(void) {}
-#endif
-
 /******************************************************************************
  * Audio and Touchscreen
  ******************************************************************************/
@@ -246,18 +172,25 @@ static void __init colibri_pxa270_tsc_init(void)
 static inline void colibri_pxa270_tsc_init(void) {}
 #endif
 
+static int colibri_pxa270_baseboard;
+core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444);
+
 static void __init colibri_pxa270_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));
-	pxa_set_ffuart_info(NULL);
-	pxa_set_btuart_info(NULL);
-	pxa_set_stuart_info(NULL);
 
 	colibri_pxa270_nor_init();
 	colibri_pxa270_eth_init();
-	colibri_pxa270_mmc_init();
-	colibri_pxa270_uhc_init();
 	colibri_pxa270_tsc_init();
+
+	switch (colibri_pxa270_baseboard) {
+	case COLIBRI_PXA270_EVALBOARD:
+		colibri_pxa270_evalboard_init();
+		break;
+	default:
+		printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n",
+				colibri_pxa270_baseboard);
+	}
 }
 
 MACHINE_START(COLIBRI, "Toradex Colibri PXA270")

arch/arm/mach-pxa/include/mach/colibri.h

@@ -4,6 +4,20 @@
 #include <net/ax88796.h>
 #include <mach/mfp.h>
 
+/*
+ * base board glue for PXA270 module
+ */
+
+enum {
+	COLIBRI_PXA270_EVALBOARD = 0,
+};
+
+#if defined(CONFIG_MACH_COLIBRI_PXA270_EVALBOARD)
+extern void colibri_pxa270_evalboard_init(void);
+#else
+static inline void colibri_pxa270_evalboard_init(void) {}
+#endif
+
 /*
  * common settings for all modules
  */