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[ARM] 5282/1: pxa: add CM-X255 support

Browse source 
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>
This commit is contained in:
Mike Rapoport 2008-10-05 10:26:55 +01:00 committed by Russell King
parent 4adc5fb673
commit a7f3f0309b
6 changed files with 199 additions and 9 deletions
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4
arch/arm/mach-pxa/Kconfig
View file

@ -207,9 +207,11 @@ config MACH_SAAR
select PXA930
config MACH_ARMCORE
bool "CompuLab CM-X270 modules"
bool "CompuLab CM-X255/CM-X270 modules"
select PXA27x
select IWMMXT
select PXA25x
select PXA_SSP
config MACH_CM_X300
bool "CompuLab CM-X300 modules"

2
arch/arm/mach-pxa/Makefile
View file

@ -53,7 +53,7 @@ obj-$(CONFIG_MACH_LITTLETON) += littleton.o
obj-$(CONFIG_MACH_TAVOREVB) += tavorevb.o
obj-$(CONFIG_MACH_SAAR) += saar.o
obj-$(CONFIG_MACH_ARMCORE) += cm-x2xx.o cm-x270.o
obj-$(CONFIG_MACH_ARMCORE) += cm-x2xx.o cm-x255.o cm-x270.o
obj-$(CONFIG_MACH_CM_X300) += cm-x300.o
obj-$(CONFIG_PXA_EZX) += ezx.o

142
arch/arm/mach-pxa/cm-x255.c Normal file
View file

@ -0,0 +1,142 @@
/*
* linux/arch/arm/mach-pxa/cm-x255.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/irq.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
#include <mach/pxa2xx-regs.h>
#include <mach/mfp-pxa25x.h>
#include <mach/pxa2xx_spi.h>
#include <mach/bitfield.h>
#include "generic.h"
static unsigned long cmx255_pin_config[] = {
/* AC'97 */
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
/* BTUART */
GPIO42_BTUART_RXD,
GPIO43_BTUART_TXD,
GPIO44_BTUART_CTS,
GPIO45_BTUART_RTS,
/* STUART */
GPIO46_STUART_RXD,
GPIO47_STUART_TXD,
/* 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,
/* SSP1 */
GPIO23_SSP1_SCLK,
GPIO24_SSP1_SFRM,
GPIO25_SSP1_TXD,
GPIO26_SSP1_RXD,
/* SSP2 */
GPIO81_SSP2_CLK_OUT,
GPIO82_SSP2_FRM_OUT,
GPIO83_SSP2_TXD,
GPIO84_SSP2_RXD,
/* PC Card */
GPIO48_nPOE,
GPIO49_nPWE,
GPIO50_nPIOR,
GPIO51_nPIOW,
GPIO52_nPCE_1,
GPIO53_nPCE_2,
GPIO54_nPSKTSEL,
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,
GPIO18_RDY,
/* GPIO */
GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,
GPIO9_GPIO, /* PC card reset */
/* NAND controls */
GPIO5_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
GPIO4_GPIO | MFP_LPM_DRIVE_LOW, /* NAND ALE */
GPIO3_GPIO | MFP_LPM_DRIVE_LOW, /* NAND CLE */
GPIO10_GPIO, /* NAND Ready/Busy */
/* interrupts */
GPIO22_GPIO, /* DM9000 interrupt */
};
#if defined(CONFIG_SPI_PXA2XX)
static struct pxa2xx_spi_master pxa_ssp_master_info = {
.num_chipselect = 1,
};
static struct spi_board_info spi_board_info[] __initdata = {
[0] = {
.modalias = "rtc-max6902",
.max_speed_hz = 1000000,
.bus_num = 1,
.chip_select = 0,
},
};
static void __init cmx255_init_rtc(void)
{
pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
spi_register_board_info(ARRAY_AND_SIZE(spi_board_info));
}
#else
static inline void cmx255_init_rtc(void) {}
#endif
void __init cmx255_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx255_pin_config));
cmx255_init_rtc();
}

6
arch/arm/mach-pxa/cm-x2xx-pci.c
View file

@ -131,7 +131,11 @@ static int __init cmx2xx_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
if (slot == 9)
return IT8152_PCI_INTA;
/* SB-x270 Ethernet */
/* CM-x255 Onboard Ethernet */
if (slot == 15)
return IT8152_PCI_INTC;
/* SB-x2xx Ethernet */
if (slot == 16)
return IT8152_PCI_INTA;

52
arch/arm/mach-pxa/cm-x2xx.c
View file

@ -32,6 +32,7 @@
#include "generic.h"
#include "cm-x2xx-pci.h"
extern void cmx255_init(void);
extern void cmx270_init(void);
/* virtual addresses for statically mapped regions */
@ -39,19 +40,43 @@ extern void cmx270_init(void);
#define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
/* physical address if local-bus attached devices */
#define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
#define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
/* leds */
#define CMX255_GPIO_RED (27)
#define CMX255_GPIO_GREEN (32)
#define CMX270_GPIO_RED (93)
#define CMX270_GPIO_GREEN (94)
/* GPIO IRQ usage */
#define GPIO22_ETHIRQ (22)
#define GPIO10_ETHIRQ (10)
#define CMX255_GPIO_IT8152_IRQ (0)
#define CMX270_GPIO_IT8152_IRQ (22)
#define CMX255_ETHIRQ IRQ_GPIO(GPIO22_ETHIRQ)
#define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ)
#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
static struct resource cmx255_dm9000_resource[] = {
[0] = {
.start = CMX255_DM9000_PHYS_BASE,
.end = CMX255_DM9000_PHYS_BASE + 3,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = CMX255_DM9000_PHYS_BASE + 4,
.end = CMX255_DM9000_PHYS_BASE + 4 + 500,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = CMX255_ETHIRQ,
.end = CMX255_ETHIRQ,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
}
};
static struct resource cmx270_dm9000_resource[] = {
[0] = {
.start = CMX270_DM9000_PHYS_BASE,
@ -85,7 +110,10 @@ static struct platform_device cmx2xx_dm9000_device = {
static void __init cmx2xx_init_dm9000(void)
{
cmx2xx_dm9000_device.resource = cmx270_dm9000_resource,
if (cpu_is_pxa25x())
cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
else
cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
platform_device_register(&cmx2xx_dm9000_device);
}
#else
@ -137,8 +165,13 @@ static struct platform_device cmx2xx_led_device = {
static void __init cmx2xx_init_leds(void)
{
cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
if (cpu_is_pxa25x()) {
cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
} else {
cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
}
platform_device_register(&cmx2xx_led_device);
}
#else
@ -437,7 +470,10 @@ static void __init cmx2xx_init(void)
{
cmx2xx_pm_init();
cmx270_init();
if (cpu_is_pxa25x())
cmx255_init();
else
cmx270_init();
cmx2xx_init_dm9000();
cmx2xx_init_display();
@ -450,7 +486,13 @@ static void __init cmx2xx_init_irq(void)
{
pxa27x_init_irq();
cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
if (cpu_is_pxa25x()) {
pxa25x_init_irq();
cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
} else {
pxa27x_init_irq();
cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
}
}
#ifdef CONFIG_PCI

2
drivers/mtd/nand/cmx270_nand.c
View file

@ -156,7 +156,7 @@ static int cmx270_init(void)
int mtd_parts_nb = 0;
int ret;
if (!machine_is_armcore())
if (!(machine_is_armcore() && cpu_is_pxa27x()))
return -ENODEV;
ret = gpio_request(GPIO_NAND_CS, "NAND CS");