Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / arm / mach-pxa / colibri-pxa270.c
diff --git a/kernel/arch/arm/mach-pxa/colibri-pxa270.c b/kernel/arch/arm/mach-pxa/colibri-pxa270.c
new file mode 100644 (file)
index 0000000..5f9d930
--- /dev/null
@@ -0,0 +1,330 @@
+/*
+ *  linux/arch/arm/mach-pxa/colibri-pxa270.c
+ *
+ *  Support for Toradex PXA270 based Colibri module
+ *  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/interrupt.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+#include <linux/ucb1400.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach-types.h>
+#include <asm/sizes.h>
+
+#include <mach/audio.h>
+#include <mach/colibri.h>
+#include <mach/pxa27x.h>
+
+#include "devices.h"
+#include "generic.h"
+
+/******************************************************************************
+ * Evaluation board MFP
+ ******************************************************************************/
+#ifdef  CONFIG_MACH_COLIBRI_EVALBOARD
+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,
+
+       /* PCMCIA */
+       GPIO85_nPCE_1,
+       GPIO54_nPCE_2,
+       GPIO55_nPREG,
+       GPIO50_nPIOR,
+       GPIO51_nPIOW,
+       GPIO49_nPWE,
+       GPIO48_nPOE,
+       GPIO57_nIOIS16,
+       GPIO56_nPWAIT,
+       GPIO104_PSKTSEL,
+       GPIO53_GPIO,    /* RESET */
+       GPIO83_GPIO,    /* BVD1 */
+       GPIO82_GPIO,    /* BVD2 */
+       GPIO1_GPIO,     /* READY */
+       GPIO84_GPIO,    /* DETECT */
+       GPIO107_GPIO,   /* PPEN */
+
+       /* I2C */
+       GPIO117_I2C_SCL,
+       GPIO118_I2C_SDA,
+};
+#else
+static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {};
+#endif
+
+#ifdef CONFIG_MACH_COLIBRI_PXA270_INCOME
+static mfp_cfg_t income_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 */
+       GPIO1_GPIO,     /* SD read-only */
+
+       /* FFUART */
+       GPIO39_FFUART_TXD,
+       GPIO34_FFUART_RXD,
+
+       /* BFUART */
+       GPIO42_BTUART_RXD,
+       GPIO43_BTUART_TXD,
+       GPIO45_BTUART_RTS,
+
+       /* STUART */
+       GPIO46_STUART_RXD,
+       GPIO47_STUART_TXD,
+
+       /* UHC */
+       GPIO88_USBH1_PWR,
+       GPIO89_USBH1_PEN,
+
+       /* LCD */
+       GPIOxx_LCD_TFT_16BPP,
+
+       /* PWM */
+       GPIO16_PWM0_OUT,
+
+       /* I2C */
+       GPIO117_I2C_SCL,
+       GPIO118_I2C_SDA,
+
+       /* LED */
+       GPIO54_GPIO,    /* LED A */
+       GPIO55_GPIO,    /* LED B */
+};
+#else
+static mfp_cfg_t income_pin_config[] __initdata = {};
+#endif
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
+       /* Ethernet */
+       GPIO78_nCS_2,   /* Ethernet CS */
+       GPIO114_GPIO,   /* Ethernet IRQ */
+
+       /* AC97 */
+       GPIO28_AC97_BITCLK,
+       GPIO29_AC97_SDATA_IN_0,
+       GPIO30_AC97_SDATA_OUT,
+       GPIO31_AC97_SYNC,
+       GPIO95_AC97_nRESET,
+       GPIO98_AC97_SYSCLK,
+       GPIO113_GPIO,   /* Touchscreen IRQ */
+};
+
+/******************************************************************************
+ * NOR Flash
+ ******************************************************************************/
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition colibri_partitions[] = {
+       {
+               .name =         "Bootloader",
+               .offset =       0x00000000,
+               .size =         0x00040000,
+               .mask_flags =   MTD_WRITEABLE   /* force read-only */
+       }, {
+               .name =         "Kernel",
+               .offset =       0x00040000,
+               .size =         0x00400000,
+               .mask_flags =   0
+       }, {
+               .name =         "Rootfs",
+               .offset =       0x00440000,
+               .size =         MTDPART_SIZ_FULL,
+               .mask_flags =   0
+       }
+};
+
+static struct physmap_flash_data colibri_flash_data[] = {
+       {
+               .width          = 4,                    /* bankwidth in bytes */
+               .parts          = colibri_partitions,
+               .nr_parts       = ARRAY_SIZE(colibri_partitions)
+       }
+};
+
+static struct resource colibri_pxa270_flash_resource = {
+       .start  = PXA_CS0_PHYS,
+       .end    = PXA_CS0_PHYS + SZ_32M - 1,
+       .flags  = IORESOURCE_MEM,
+};
+
+static struct platform_device colibri_pxa270_flash_device = {
+       .name   = "physmap-flash",
+       .id     = 0,
+       .dev    = {
+               .platform_data = colibri_flash_data,
+       },
+       .resource = &colibri_pxa270_flash_resource,
+       .num_resources = 1,
+};
+
+static void __init colibri_pxa270_nor_init(void)
+{
+       platform_device_register(&colibri_pxa270_flash_device);
+}
+#else
+static inline void colibri_pxa270_nor_init(void) {}
+#endif
+
+/******************************************************************************
+ * Ethernet
+ ******************************************************************************/
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+static struct resource colibri_pxa270_dm9000_resources[] = {
+       {
+               .start  = PXA_CS2_PHYS,
+               .end    = PXA_CS2_PHYS + 3,
+               .flags  = IORESOURCE_MEM,
+       },
+       {
+               .start  = PXA_CS2_PHYS + 4,
+               .end    = PXA_CS2_PHYS + 4 + 500,
+               .flags  = IORESOURCE_MEM,
+       },
+       {
+               .start  = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
+               .end    = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ),
+               .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
+       },
+};
+
+static struct platform_device colibri_pxa270_dm9000_device = {
+       .name           = "dm9000",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(colibri_pxa270_dm9000_resources),
+       .resource       = colibri_pxa270_dm9000_resources,
+};
+
+static void __init colibri_pxa270_eth_init(void)
+{
+       platform_device_register(&colibri_pxa270_dm9000_device);
+}
+#else
+static inline void colibri_pxa270_eth_init(void) {}
+#endif
+
+/******************************************************************************
+ * Audio and Touchscreen
+ ******************************************************************************/
+#if    defined(CONFIG_TOUCHSCREEN_UCB1400) || \
+       defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
+static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = {
+       .reset_gpio     = 95,
+};
+
+static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = {
+       .irq            = PXA_GPIO_TO_IRQ(GPIO113_COLIBRI_PXA270_TS_IRQ),
+};
+
+static struct platform_device colibri_pxa270_ucb1400_device = {
+       .name           = "ucb1400_core",
+       .id             = -1,
+       .dev            = {
+               .platform_data = &colibri_pxa270_ucb1400_pdata,
+       },
+};
+
+static void __init colibri_pxa270_tsc_init(void)
+{
+       pxa_set_ac97_info(&colibri_pxa270_ac97_pdata);
+       platform_device_register(&colibri_pxa270_ucb1400_device);
+}
+#else
+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));
+
+       colibri_pxa270_nor_init();
+       colibri_pxa270_eth_init();
+       colibri_pxa270_tsc_init();
+
+       switch (colibri_pxa270_baseboard) {
+       case COLIBRI_EVALBOARD:
+               pxa2xx_mfp_config(ARRAY_AND_SIZE(
+                       colibri_pxa270_evalboard_pin_config));
+               colibri_evalboard_init();
+               break;
+       case COLIBRI_PXA270_INCOME:
+               pxa2xx_mfp_config(ARRAY_AND_SIZE(income_pin_config));
+               colibri_pxa270_income_boardinit();
+               break;
+       default:
+               printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n",
+                               colibri_pxa270_baseboard);
+       }
+}
+
+/* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either
+ * with the INCOME mach type or with COLIBRI and the kernel parameter
+ * "colibri_pxa270_baseboard=1"
+ */
+static void __init colibri_pxa270_income_init(void)
+{
+       colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME;
+       colibri_pxa270_init();
+}
+
+MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
+       .atag_offset    = 0x100,
+       .init_machine   = colibri_pxa270_init,
+       .map_io         = pxa27x_map_io,
+       .nr_irqs        = PXA_NR_IRQS,
+       .init_irq       = pxa27x_init_irq,
+       .handle_irq     = pxa27x_handle_irq,
+       .init_time      = pxa_timer_init,
+       .restart        = pxa_restart,
+MACHINE_END
+
+MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC")
+       .atag_offset    = 0x100,
+       .init_machine   = colibri_pxa270_income_init,
+       .map_io         = pxa27x_map_io,
+       .nr_irqs        = PXA_NR_IRQS,
+       .init_irq       = pxa27x_init_irq,
+       .handle_irq     = pxa27x_handle_irq,
+       .init_time      = pxa_timer_init,
+       .restart        = pxa_restart,
+MACHINE_END
+