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-rw-r--r--arch/arm/mach-pxa/colibri-pxa270.c176
1 files changed, 128 insertions, 48 deletions
diff --git a/arch/arm/mach-pxa/colibri-pxa270.c b/arch/arm/mach-pxa/colibri-pxa270.c
index 061c45316de8..98673ac6efd0 100644
--- a/arch/arm/mach-pxa/colibri-pxa270.c
+++ b/arch/arm/mach-pxa/colibri-pxa270.c
@@ -3,6 +3,7 @@
*
* 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
@@ -10,49 +11,55 @@
*/
#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/ioport.h>
-#include <linux/delay.h>
+#include <linux/kernel.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
-#include <linux/gpio.h>
-#include <asm/mach-types.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-#include <asm/sizes.h>
+#include <linux/platform_device.h>
+#include <linux/sysdev.h>
+#include <linux/ucb1400.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/pxa27x.h>
+#include <mach/audio.h>
#include <mach/colibri.h>
+#include <mach/pxa27x.h>
-#include "generic.h"
#include "devices.h"
+#include "generic.h"
-/*
- * GPIO configuration
- */
+/******************************************************************************
+ * 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
- */
+/******************************************************************************
+ * 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 */
+ .mask_flags = MTD_WRITEABLE /* force read-only */
}, {
.name = "Kernel",
.offset = 0x00040000,
@@ -90,50 +97,113 @@ static struct platform_device colibri_pxa270_flash_device = {
.num_resources = 1,
};
-/*
- * DM9000 Ethernet
- */
-#if defined(CONFIG_DM9000)
-static struct resource dm9000_resources[] = {
- [0] = {
- .start = COLIBRI_PXA270_ETH_PHYS,
- .end = COLIBRI_PXA270_ETH_PHYS + 3,
+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,
},
- [1] = {
- .start = COLIBRI_PXA270_ETH_PHYS + 4,
- .end = COLIBRI_PXA270_ETH_PHYS + 4 + 500,
+ {
+ .start = PXA_CS2_PHYS + 4,
+ .end = PXA_CS2_PHYS + 4 + 500,
.flags = IORESOURCE_MEM,
},
- [2] = {
- .start = COLIBRI_PXA270_ETH_IRQ,
- .end = COLIBRI_PXA270_ETH_IRQ,
+ {
+ .start = gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
+ .end = gpio_to_irq(GPIO114_COLIBRI_PXA270_ETH_IRQ),
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING,
},
};
-static struct platform_device dm9000_device = {
+static struct platform_device colibri_pxa270_dm9000_device = {
.name = "dm9000",
.id = -1,
- .num_resources = ARRAY_SIZE(dm9000_resources),
- .resource = dm9000_resources,
+ .num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources),
+ .resource = colibri_pxa270_dm9000_resources,
};
-#endif /* CONFIG_DM9000 */
-static struct platform_device *colibri_pxa270_devices[] __initdata = {
- &colibri_pxa270_flash_device,
-#if defined(CONFIG_DM9000)
- &dm9000_device,
+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 = 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));
- pxa_set_ffuart_info(NULL);
- pxa_set_btuart_info(NULL);
- pxa_set_stuart_info(NULL);
- platform_add_devices(ARRAY_AND_SIZE(colibri_pxa270_devices));
+
+ colibri_pxa270_nor_init();
+ colibri_pxa270_eth_init();
+ colibri_pxa270_tsc_init();
+
+ switch (colibri_pxa270_baseboard) {
+ case COLIBRI_PXA270_EVALBOARD:
+ colibri_pxa270_evalboard_init();
+ break;
+ case COLIBRI_PXA270_INCOME:
+ 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")
@@ -146,3 +216,13 @@ MACHINE_START(COLIBRI, "Toradex Colibri PXA270")
.timer = &pxa_timer,
MACHINE_END
+MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC")
+ .phys_io = 0x40000000,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .boot_params = 0xa0000100,
+ .init_machine = colibri_pxa270_income_init,
+ .map_io = pxa_map_io,
+ .init_irq = pxa27x_init_irq,
+ .timer = &pxa_timer,
+MACHINE_END
+
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.