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authorMike Rapoport <mike@compulab.co.il>2008-10-05 10:25:44 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-07 12:05:05 +0100
commitda591937ba8c3a98ced845247859693a27543863 (patch)
tree93ae125daa920e2f844f10f2392484caff2e6d6e
parent7d76e3f171216757a2ea630d76442084f88a0b4c (diff)
[ARM] 5280/1: pxa: prepare cm-x2xx.c and cm-x2xx-pci.[ch] for addition of CM-X255
- Change CM-X255 and CM-X270 common function prefix from cmx270 to cmx2xx - Split cmx2xx_init to common and CM-X270-specific parts - Use dynamic assignement for DM9000 resources and led GPIOs. Signed-off-by: Russ Dill <russ.dill@gmail.com> Signed-off-by: Mike Rapoport <mike@compulab.co.il> Acked-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-pxa/cm-x2xx-pci.c50
-rw-r--r--arch/arm/mach-pxa/cm-x2xx-pci.h18
-rw-r--r--arch/arm/mach-pxa/cm-x2xx.c171
-rw-r--r--arch/arm/mach-pxa/include/mach/memory.h4
4 files changed, 126 insertions, 117 deletions
diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.c b/arch/arm/mach-pxa/cm-x2xx-pci.c
index 2d5bcea1e520..b6e93ecbf9da 100644
--- a/arch/arm/mach-pxa/cm-x2xx-pci.c
+++ b/arch/arm/mach-pxa/cm-x2xx-pci.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-pxa/cm-x270-pci.c
+ * linux/arch/arm/mach-pxa/cm-x2xx-pci.c
*
* PCI bios-type initialisation for PCI machines
*
@@ -28,7 +28,7 @@
#include <asm/hardware/it8152.h>
unsigned long it8152_base_address;
-static int cmx270_it8152_irq_gpio;
+static int cmx2xx_it8152_irq_gpio;
/*
* Only first 64MB of memory can be accessed via PCI.
@@ -36,13 +36,13 @@ static int cmx270_it8152_irq_gpio;
* This is really ugly and we need a better way of specifying
* DMA-capable regions of memory.
*/
-void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size,
+void __init cmx2xx_pci_adjust_zones(int node, unsigned long *zone_size,
unsigned long *zhole_size)
{
unsigned int sz = SZ_64M >> PAGE_SHIFT;
if (machine_is_armcore()) {
- pr_info("Adjusting zones for CM-X270\n");
+ pr_info("Adjusting zones for CM-X2XX\n");
/*
* Only adjust if > 64M on current system
@@ -57,29 +57,29 @@ void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size,
}
}
-static void cmx270_it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
+static void cmx2xx_it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
{
/* clear our parent irq */
- GEDR(cmx270_it8152_irq_gpio) = GPIO_bit(cmx270_it8152_irq_gpio);
+ GEDR(cmx2xx_it8152_irq_gpio) = GPIO_bit(cmx2xx_it8152_irq_gpio);
it8152_irq_demux(irq, desc);
}
-void __cmx270_pci_init_irq(int irq_gpio)
+void __cmx2xx_pci_init_irq(int irq_gpio)
{
it8152_init_irq();
- cmx270_it8152_irq_gpio = irq_gpio;
+ cmx2xx_it8152_irq_gpio = irq_gpio;
set_irq_type(gpio_to_irq(irq_gpio), IRQ_TYPE_EDGE_RISING);
- set_irq_chained_handler(gpio_to_irq(irq_gpio), cmx270_it8152_irq_demux);
+ set_irq_chained_handler(gpio_to_irq(irq_gpio), cmx2xx_it8152_irq_demux);
}
#ifdef CONFIG_PM
static unsigned long sleep_save_ite[10];
-void __cmx270_pci_suspend(void)
+void __cmx2xx_pci_suspend(void)
{
/* save ITE state */
sleep_save_ite[0] = __raw_readl(IT8152_INTC_PDCNIMR);
@@ -91,7 +91,7 @@ void __cmx270_pci_suspend(void)
__raw_writel((0), IT8152_INTC_LPCNIRR);
}
-void __cmx270_pci_resume(void)
+void __cmx2xx_pci_resume(void)
{
/* restore IT8152 state */
__raw_writel((sleep_save_ite[0]), IT8152_INTC_PDCNIMR);
@@ -99,12 +99,12 @@ void __cmx270_pci_resume(void)
__raw_writel((sleep_save_ite[2]), IT8152_INTC_LPNIAR);
}
#else
-void cmx270_pci_suspend(void) {}
-void cmx270_pci_resume(void) {}
+void cmx2xx_pci_suspend(void) {}
+void cmx2xx_pci_resume(void) {}
#endif
/* PCI IRQ mapping*/
-static int __init cmx270_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+static int __init cmx2xx_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
int irq;
@@ -116,14 +116,14 @@ static int __init cmx270_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
/*
Here comes the ugly part. The routing is baseboard specific,
- but defining a platform for each possible base of CM-X270 is
- unrealistic. Here we keep mapping for ATXBase and SB-X270.
+ but defining a platform for each possible base of CM-X2XX is
+ unrealistic. Here we keep mapping for ATXBase and SB-X2XX.
*/
/* ATXBASE PCI slot */
if (slot == 7)
return IT8152_PCI_INTA;
- /* ATXBase/SB-x270 CardBus */
+ /* ATXBase/SB-X2XX CardBus */
if (slot == 8 || slot == 0)
return IT8152_PCI_INTB;
@@ -144,9 +144,9 @@ static int __init cmx270_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
return(0);
}
-static void cmx270_pci_preinit(void)
+static void cmx2xx_pci_preinit(void)
{
- pr_info("Initializing CM-X270 PCI subsystem\n");
+ pr_info("Initializing CM-X2XX PCI subsystem\n");
__raw_writel(0x800, IT8152_PCI_CFG_ADDR);
if (__raw_readl(IT8152_PCI_CFG_DATA) == 0x81521283) {
@@ -200,21 +200,21 @@ static void cmx270_pci_preinit(void)
}
}
-static struct hw_pci cmx270_pci __initdata = {
+static struct hw_pci cmx2xx_pci __initdata = {
.swizzle = pci_std_swizzle,
- .map_irq = cmx270_pci_map_irq,
+ .map_irq = cmx2xx_pci_map_irq,
.nr_controllers = 1,
.setup = it8152_pci_setup,
.scan = it8152_pci_scan_bus,
- .preinit = cmx270_pci_preinit,
+ .preinit = cmx2xx_pci_preinit,
};
-static int __init cmx270_init_pci(void)
+static int __init cmx2xx_init_pci(void)
{
if (machine_is_armcore())
- pci_common_init(&cmx270_pci);
+ pci_common_init(&cmx2xx_pci);
return 0;
}
-subsys_initcall(cmx270_init_pci);
+subsys_initcall(cmx2xx_init_pci);
diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.h b/arch/arm/mach-pxa/cm-x2xx-pci.h
index 48f532f4cb51..e24aad2e3ad7 100644
--- a/arch/arm/mach-pxa/cm-x2xx-pci.h
+++ b/arch/arm/mach-pxa/cm-x2xx-pci.h
@@ -1,13 +1,13 @@
-extern void __cmx270_pci_init_irq(int irq_gpio);
-extern void __cmx270_pci_suspend(void);
-extern void __cmx270_pci_resume(void);
+extern void __cmx2xx_pci_init_irq(int irq_gpio);
+extern void __cmx2xx_pci_suspend(void);
+extern void __cmx2xx_pci_resume(void);
#ifdef CONFIG_PCI
-#define cmx270_pci_init_irq(x) __cmx270_pci_init_irq(x)
-#define cmx270_pci_suspend(x) __cmx270_pci_suspend(x)
-#define cmx270_pci_resume(x) __cmx270_pci_resume(x)
+#define cmx2xx_pci_init_irq(x) __cmx2xx_pci_init_irq(x)
+#define cmx2xx_pci_suspend(x) __cmx2xx_pci_suspend(x)
+#define cmx2xx_pci_resume(x) __cmx2xx_pci_resume(x)
#else
-#define cmx270_pci_init_irq(x) do {} while (0)
-#define cmx270_pci_suspend(x) do {} while (0)
-#define cmx270_pci_resume(x) do {} while (0)
+#define cmx2xx_pci_init_irq(x) do {} while (0)
+#define cmx2xx_pci_suspend(x) do {} while (0)
+#define cmx2xx_pci_resume(x) do {} while (0)
#endif
diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c
index 598837798425..cc79005b1794 100644
--- a/arch/arm/mach-pxa/cm-x2xx.c
+++ b/arch/arm/mach-pxa/cm-x2xx.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/arm/mach-pxa/cm-x270.c
+ * linux/arch/arm/mach-pxa/cm-x2xx.c
*
* Copyright (C) 2007, 2008 CompuLab, Ltd.
* Mike Rapoport <mike@compulab.co.il>
@@ -38,20 +38,23 @@
#include "cm-x2xx-pci.h"
/* virtual addresses for statically mapped regions */
-#define CMX270_VIRT_BASE (0xe8000000)
-#define CMX270_IT8152_VIRT (CMX270_VIRT_BASE)
+#define CMX2XX_VIRT_BASE (0xe8000000)
+#define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
#define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22))
-#define DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
+#define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
+
+/* leds */
+#define CMX270_GPIO_RED (93)
+#define CMX270_GPIO_GREEN (94)
/* GPIO IRQ usage */
#define GPIO10_ETHIRQ (10)
-#define GPIO22_IT8152_IRQ (22)
+#define CMX270_GPIO_IT8152_IRQ (22)
#define GPIO83_MMC_IRQ (83)
#define GPIO95_GFXIRQ (95)
#define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ)
-#define CMX270_IT8152_IRQ IRQ_GPIO(GPIO22_IT8152_IRQ)
#define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ)
#define CMX270_GFXIRQ IRQ_GPIO(GPIO95_GFXIRQ)
@@ -160,13 +163,13 @@ static unsigned long cmx270_pin_config[] = {
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource cmx270_dm9000_resource[] = {
[0] = {
- .start = DM9000_PHYS_BASE,
- .end = DM9000_PHYS_BASE + 4,
+ .start = CMX270_DM9000_PHYS_BASE,
+ .end = CMX270_DM9000_PHYS_BASE + 3,
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = DM9000_PHYS_BASE + 8,
- .end = DM9000_PHYS_BASE + 8 + 500,
+ .start = CMX270_DM9000_PHYS_BASE + 8,
+ .end = CMX270_DM9000_PHYS_BASE + 8 + 500,
.flags = IORESOURCE_MEM,
},
[2] = {
@@ -180,37 +183,37 @@ static struct dm9000_plat_data cmx270_dm9000_platdata = {
.flags = DM9000_PLATF_32BITONLY,
};
-static struct platform_device cmx270_dm9000_device = {
+static struct platform_device cmx2xx_dm9000_device = {
.name = "dm9000",
.id = 0,
.num_resources = ARRAY_SIZE(cmx270_dm9000_resource),
- .resource = cmx270_dm9000_resource,
.dev = {
.platform_data = &cmx270_dm9000_platdata,
}
};
-static void __init cmx270_init_dm9000(void)
+static void __init cmx2xx_init_dm9000(void)
{
- platform_device_register(&cmx270_dm9000_device);
+ cmx2xx_dm9000_device.resource = cmx270_dm9000_resource,
+ platform_device_register(&cmx2xx_dm9000_device);
}
#else
-static inline void cmx270_init_dm9000(void) {}
+static inline void cmx2xx_init_dm9000(void) {}
#endif
/* UCB1400 touchscreen controller */
#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
-static struct platform_device cmx270_ts_device = {
+static struct platform_device cmx2xx_ts_device = {
.name = "ucb1400_ts",
.id = -1,
};
-static void __init cmx270_init_touchscreen(void)
+static void __init cmx2xx_init_touchscreen(void)
{
- platform_device_register(&cmx270_ts_device);
+ platform_device_register(&cmx2xx_ts_device);
}
#else
-static inline void cmx270_init_touchscreen(void) {}
+static inline void cmx2xx_init_touchscreen(void) {}
#endif
/* V3020 RTC */
@@ -242,45 +245,45 @@ static void __init cmx270_init_rtc(void)
platform_device_register(&cmx270_rtc_device);
}
#else
-static inline void cmx270_init_rtc(void) {}
+static inline void cmx2xx_init_rtc(void) {}
#endif
/* CM-X270 LEDs */
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
-static struct gpio_led cmx270_leds[] = {
+static struct gpio_led cmx2xx_leds[] = {
[0] = {
- .name = "cm-x270:red",
+ .name = "cm-x2xx:red",
.default_trigger = "nand-disk",
- .gpio = 93,
.active_low = 1,
},
[1] = {
- .name = "cm-x270:green",
+ .name = "cm-x2xx:green",
.default_trigger = "heartbeat",
- .gpio = 94,
.active_low = 1,
},
};
-static struct gpio_led_platform_data cmx270_gpio_led_pdata = {
- .num_leds = ARRAY_SIZE(cmx270_leds),
- .leds = cmx270_leds,
+static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
+ .num_leds = ARRAY_SIZE(cmx2xx_leds),
+ .leds = cmx2xx_leds,
};
-static struct platform_device cmx270_led_device = {
+static struct platform_device cmx2xx_led_device = {
.name = "leds-gpio",
.id = -1,
.dev = {
- .platform_data = &cmx270_gpio_led_pdata,
+ .platform_data = &cmx2xx_gpio_led_pdata,
},
};
-static void __init cmx270_init_leds(void)
+static void __init cmx2xx_init_leds(void)
{
- platform_device_register(&cmx270_led_device);
+ cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
+ cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
+ platform_device_register(&cmx2xx_led_device);
}
#else
-static inline void cmx270_init_leds(void) {}
+static inline void cmx2xx_init_leds(void) {}
#endif
/* 2700G graphics */
@@ -543,32 +546,32 @@ static struct pxafb_mach_info generic_stn_640x480 = {
.cmap_static = 0,
};
-static struct pxafb_mach_info *cmx270_display = &generic_crt_640x480;
+static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;
-static int __init cmx270_set_display(char *str)
+static int __init cmx2xx_set_display(char *str)
{
int disp_type = simple_strtol(str, NULL, 0);
switch (disp_type) {
case MTYPE_STN320x240:
- cmx270_display = &generic_stn_320x240;
+ cmx2xx_display = &generic_stn_320x240;
break;
case MTYPE_TFT640x480:
- cmx270_display = &generic_tft_640x480;
+ cmx2xx_display = &generic_tft_640x480;
break;
case MTYPE_CRT640x480:
- cmx270_display = &generic_crt_640x480;
+ cmx2xx_display = &generic_crt_640x480;
break;
case MTYPE_CRT800x600:
- cmx270_display = &generic_crt_800x600;
+ cmx2xx_display = &generic_crt_800x600;
break;
case MTYPE_TFT320x240:
- cmx270_display = &generic_tft_320x240;
+ cmx2xx_display = &generic_tft_320x240;
break;
case MTYPE_STN640x480:
- cmx270_display = &generic_stn_640x480;
+ cmx2xx_display = &generic_stn_640x480;
break;
default: /* fallback to CRT 640x480 */
- cmx270_display = &generic_crt_640x480;
+ cmx2xx_display = &generic_crt_640x480;
break;
}
return 1;
@@ -577,18 +580,18 @@ static int __init cmx270_set_display(char *str)
/*
This should be done really early to get proper configuration for
frame buffer.
- Indeed, pxafb parameters can be used istead, but CM-X270 bootloader
+ Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
has limitied line length for kernel command line, and also it will
break compatibitlty with proprietary releases already in field.
*/
-__setup("monitor=", cmx270_set_display);
+__setup("monitor=", cmx2xx_set_display);
-static void __init cmx270_init_display(void)
+static void __init cmx2xx_init_display(void)
{
- set_pxa_fb_info(cmx270_display);
+ set_pxa_fb_info(cmx2xx_display);
}
#else
-static inline void cmx270_init_display(void) {}
+static inline void cmx2xx_init_display(void) {}
#endif
/* PXA27x OHCI controller setup */
@@ -679,9 +682,9 @@ static inline void cmx270_init_mmc(void) {}
#ifdef CONFIG_PM
static unsigned long sleep_save_msc[10];
-static int cmx270_suspend(struct sys_device *dev, pm_message_t state)
+static int cmx2xx_suspend(struct sys_device *dev, pm_message_t state)
{
- cmx270_pci_suspend();
+ cmx2xx_pci_suspend();
/* save MSC registers */
sleep_save_msc[0] = MSC0;
@@ -703,9 +706,9 @@ static int cmx270_suspend(struct sys_device *dev, pm_message_t state)
return 0;
}
-static int cmx270_resume(struct sys_device *dev)
+static int cmx2xx_resume(struct sys_device *dev)
{
- cmx270_pci_resume();
+ cmx2xx_pci_resume();
/* restore MSC registers */
MSC0 = sleep_save_msc[0];
@@ -715,92 +718,98 @@ static int cmx270_resume(struct sys_device *dev)
return 0;
}
-static struct sysdev_class cmx270_pm_sysclass = {
+static struct sysdev_class cmx2xx_pm_sysclass = {
.name = "pm",
- .resume = cmx270_resume,
- .suspend = cmx270_suspend,
+ .resume = cmx2xx_resume,
+ .suspend = cmx2xx_suspend,
};
-static struct sys_device cmx270_pm_device = {
- .cls = &cmx270_pm_sysclass,
+static struct sys_device cmx2xx_pm_device = {
+ .cls = &cmx2xx_pm_sysclass,
};
-static int __init cmx270_pm_init(void)
+static int __init cmx2xx_pm_init(void)
{
int error;
- error = sysdev_class_register(&cmx270_pm_sysclass);
+ error = sysdev_class_register(&cmx2xx_pm_sysclass);
if (error == 0)
- error = sysdev_register(&cmx270_pm_device);
+ error = sysdev_register(&cmx2xx_pm_device);
return error;
}
#else
-static int __init cmx270_pm_init(void) { return 0; }
+static int __init cmx2xx_pm_init(void) { return 0; }
#endif
#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
-static void __init cmx270_init_ac97(void)
+static void __init cmx2xx_init_ac97(void)
{
pxa_set_ac97_info(NULL);
}
#else
-static inline void cmx270_init_ac97(void) {}
+static inline void cmx2xx_init_ac97(void) {}
#endif
static void __init cmx270_init(void)
{
- cmx270_pm_init();
-
pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config));
- cmx270_init_dm9000();
cmx270_init_rtc();
- cmx270_init_display();
cmx270_init_mmc();
cmx270_init_ohci();
- cmx270_init_ac97();
- cmx270_init_touchscreen();
- cmx270_init_leds();
cmx270_init_2700G();
}
-static void __init cmx270_init_irq(void)
+static void __init cmx2xx_init(void)
+{
+ cmx2xx_pm_init();
+
+ cmx270_init();
+
+ cmx2xx_init_dm9000();
+ cmx2xx_init_display();
+ cmx2xx_init_ac97();
+ cmx2xx_init_touchscreen();
+ cmx2xx_init_leds();
+}
+
+static void __init cmx2xx_init_irq(void)
{
pxa27x_init_irq();
- cmx270_pci_init_irq(GPIO22_IT8152_IRQ);
+ cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
}
#ifdef CONFIG_PCI
/* Map PCI companion statically */
-static struct map_desc cmx270_io_desc[] __initdata = {
+static struct map_desc cmx2xx_io_desc[] __initdata = {
[0] = { /* PCI bridge */
- .virtual = CMX270_IT8152_VIRT,
+ .virtual = CMX2XX_IT8152_VIRT,
.pfn = __phys_to_pfn(PXA_CS4_PHYS),
.length = SZ_64M,
.type = MT_DEVICE
},
};
-static void __init cmx270_map_io(void)
+static void __init cmx2xx_map_io(void)
{
pxa_map_io();
- iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc));
+ iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));
- it8152_base_address = CMX270_IT8152_VIRT;
+ it8152_base_address = CMX2XX_IT8152_VIRT;
}
#else
-static void __init cmx270_map_io(void)
+static void __init cmx2xx_map_io(void)
{
pxa_map_io();
}
#endif
-MACHINE_START(ARMCORE, "Compulab CM-x270")
+MACHINE_START(ARMCORE, "Compulab CM-X2XX")
.boot_params = 0xa0000100,
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
- .map_io = cmx270_map_io,
- .init_irq = cmx270_init_irq,
+ .map_io = cmx2xx_map_io,
+ .init_irq = cmx2xx_init_irq,
.timer = &pxa_timer,
- .init_machine = cmx270_init,
+ .init_machine = cmx2xx_init,
MACHINE_END
diff --git a/arch/arm/mach-pxa/include/mach/memory.h b/arch/arm/mach-pxa/include/mach/memory.h
index 552eb7fa6579..59aef89808d6 100644
--- a/arch/arm/mach-pxa/include/mach/memory.h
+++ b/arch/arm/mach-pxa/include/mach/memory.h
@@ -40,11 +40,11 @@
#define NODE_MEM_SIZE_BITS 26
#if !defined(__ASSEMBLY__) && defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI)
-void cmx270_pci_adjust_zones(int node, unsigned long *size,
+void cmx2xx_pci_adjust_zones(int node, unsigned long *size,
unsigned long *holes);
#define arch_adjust_zones(node, size, holes) \
- cmx270_pci_adjust_zones(node, size, holes)
+ cmx2xx_pci_adjust_zones(node, size, holes)
#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_64M - 1)
#endif