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

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>

[ARM] 5282/1: pxa: add CM-X255 support
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>
Mike Rapoport · Russell King
1 parent 4adc5fb673
Showing 6 changed files with 199 additions and 9 deletions Side-by-side Diff
arch/arm/mach-pxa/Kconfig
arch/arm/mach-pxa/Makefile
arch/arm/mach-pxa/cm-x255.c
arch/arm/mach-pxa/cm-x2xx-pci.c
arch/arm/mach-pxa/cm-x2xx.c
drivers/mtd/nand/cmx270_nand.c
@@ -207,9 +207,11 @@
 	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"
@@ -53,7 +53,7 @@
 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
  
+/*
+ * 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();
+}
@@ -131,7 +131,11 @@
 	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;
  
@@ -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 @@
 #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 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 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 @@
 {
 	cmx2xx_pm_init();
  
-	cmx270_init();
+	if (cpu_is_pxa25x())
+		cmx255_init();
+	else
+		cmx270_init();
  
 	cmx2xx_init_dm9000();
 	cmx2xx_init_display();
@@ -450,7 +486,13 @@
 {
 	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
@@ -156,7 +156,7 @@
 	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");
...	...	@@ -207,9 +207,11 @@
207	207	select PXA930
208	208
209	209	config MACH_ARMCORE
210		- bool "CompuLab CM-X270 modules"
	210	+ bool "CompuLab CM-X255/CM-X270 modules"
211	211	select PXA27x
212	212	select IWMMXT
	213	+ select PXA25x
	214	+ select PXA_SSP
213	215
214	216	config MACH_CM_X300
215	217	bool "CompuLab CM-X300 modules"
...	...	@@ -53,7 +53,7 @@
53	53	obj-$(CONFIG_MACH_TAVOREVB) += tavorevb.o
54	54	obj-$(CONFIG_MACH_SAAR) += saar.o
55	55
56		-obj-$(CONFIG_MACH_ARMCORE) += cm-x2xx.o cm-x270.o
	56	+obj-$(CONFIG_MACH_ARMCORE) += cm-x2xx.o cm-x255.o cm-x270.o
57	57	obj-$(CONFIG_MACH_CM_X300) += cm-x300.o
58	58	obj-$(CONFIG_PXA_EZX) += ezx.o
59	59
	1	+/*
	2	+ * linux/arch/arm/mach-pxa/cm-x255.c
	3	+ *
	4	+ * Copyright (C) 2007, 2008 CompuLab, Ltd.
	5	+ * Mike Rapoport <mike@compulab.co.il>
	6	+ *
	7	+ * This program is free software; you can redistribute it and/or modify
	8	+ * it under the terms of the GNU General Public License version 2 as
	9	+ * published by the Free Software Foundation.
	10	+ */
	11	+
	12	+#include <linux/platform_device.h>
	13	+#include <linux/irq.h>
	14	+#include <linux/gpio.h>
	15	+
	16	+#include <linux/spi/spi.h>
	17	+
	18	+#include <asm/mach/arch.h>
	19	+#include <asm/mach-types.h>
	20	+#include <asm/mach/map.h>
	21	+
	22	+#include <mach/pxa2xx-regs.h>
	23	+#include <mach/mfp-pxa25x.h>
	24	+#include <mach/pxa2xx_spi.h>
	25	+#include <mach/bitfield.h>
	26	+
	27	+#include "generic.h"
	28	+
	29	+static unsigned long cmx255_pin_config[] = {
	30	+ /* AC'97 */
	31	+ GPIO28_AC97_BITCLK,
	32	+ GPIO29_AC97_SDATA_IN_0,
	33	+ GPIO30_AC97_SDATA_OUT,
	34	+ GPIO31_AC97_SYNC,
	35	+
	36	+ /* BTUART */
	37	+ GPIO42_BTUART_RXD,
	38	+ GPIO43_BTUART_TXD,
	39	+ GPIO44_BTUART_CTS,
	40	+ GPIO45_BTUART_RTS,
	41	+
	42	+ /* STUART */
	43	+ GPIO46_STUART_RXD,
	44	+ GPIO47_STUART_TXD,
	45	+
	46	+ /* LCD */
	47	+ GPIO58_LCD_LDD_0,
	48	+ GPIO59_LCD_LDD_1,
	49	+ GPIO60_LCD_LDD_2,
	50	+ GPIO61_LCD_LDD_3,
	51	+ GPIO62_LCD_LDD_4,
	52	+ GPIO63_LCD_LDD_5,
	53	+ GPIO64_LCD_LDD_6,
	54	+ GPIO65_LCD_LDD_7,
	55	+ GPIO66_LCD_LDD_8,
	56	+ GPIO67_LCD_LDD_9,
	57	+ GPIO68_LCD_LDD_10,
	58	+ GPIO69_LCD_LDD_11,
	59	+ GPIO70_LCD_LDD_12,
	60	+ GPIO71_LCD_LDD_13,
	61	+ GPIO72_LCD_LDD_14,
	62	+ GPIO73_LCD_LDD_15,
	63	+ GPIO74_LCD_FCLK,
	64	+ GPIO75_LCD_LCLK,
	65	+ GPIO76_LCD_PCLK,
	66	+ GPIO77_LCD_BIAS,
	67	+
	68	+ /* SSP1 */
	69	+ GPIO23_SSP1_SCLK,
	70	+ GPIO24_SSP1_SFRM,
	71	+ GPIO25_SSP1_TXD,
	72	+ GPIO26_SSP1_RXD,
	73	+
	74	+ /* SSP2 */
	75	+ GPIO81_SSP2_CLK_OUT,
	76	+ GPIO82_SSP2_FRM_OUT,
	77	+ GPIO83_SSP2_TXD,
	78	+ GPIO84_SSP2_RXD,
	79	+
	80	+ /* PC Card */
	81	+ GPIO48_nPOE,
	82	+ GPIO49_nPWE,
	83	+ GPIO50_nPIOR,
	84	+ GPIO51_nPIOW,
	85	+ GPIO52_nPCE_1,
	86	+ GPIO53_nPCE_2,
	87	+ GPIO54_nPSKTSEL,
	88	+ GPIO55_nPREG,
	89	+ GPIO56_nPWAIT,
	90	+ GPIO57_nIOIS16,
	91	+
	92	+ /* SDRAM and local bus */
	93	+ GPIO15_nCS_1,
	94	+ GPIO78_nCS_2,
	95	+ GPIO79_nCS_3,
	96	+ GPIO80_nCS_4,
	97	+ GPIO33_nCS_5,
	98	+ GPIO18_RDY,
	99	+
	100	+ /* GPIO */
	101	+ GPIO0_GPIO \| WAKEUP_ON_EDGE_BOTH,
	102	+ GPIO9_GPIO, /* PC card reset */
	103	+
	104	+ /* NAND controls */
	105	+ GPIO5_GPIO \| MFP_LPM_DRIVE_HIGH, /* NAND CE# */
	106	+ GPIO4_GPIO \| MFP_LPM_DRIVE_LOW, /* NAND ALE */
	107	+ GPIO3_GPIO \| MFP_LPM_DRIVE_LOW, /* NAND CLE */
	108	+ GPIO10_GPIO, /* NAND Ready/Busy */
	109	+
	110	+ /* interrupts */
	111	+ GPIO22_GPIO, /* DM9000 interrupt */
	112	+};
	113	+
	114	+#if defined(CONFIG_SPI_PXA2XX)
	115	+static struct pxa2xx_spi_master pxa_ssp_master_info = {
	116	+ .num_chipselect = 1,
	117	+};
	118	+
	119	+static struct spi_board_info spi_board_info[] __initdata = {
	120	+ [0] = {
	121	+ .modalias = "rtc-max6902",
	122	+ .max_speed_hz = 1000000,
	123	+ .bus_num = 1,
	124	+ .chip_select = 0,
	125	+ },
	126	+};
	127	+
	128	+static void __init cmx255_init_rtc(void)
	129	+{
	130	+ pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
	131	+ spi_register_board_info(ARRAY_AND_SIZE(spi_board_info));
	132	+}
	133	+#else
	134	+static inline void cmx255_init_rtc(void) {}
	135	+#endif
	136	+
	137	+void __init cmx255_init(void)
	138	+{
	139	+ pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx255_pin_config));
	140	+
	141	+ cmx255_init_rtc();
	142	+}
...	...	@@ -131,7 +131,11 @@
131	131	if (slot == 9)
132	132	return IT8152_PCI_INTA;
133	133
134		- /* SB-x270 Ethernet */
	134	+ /* CM-x255 Onboard Ethernet */
	135	+ if (slot == 15)
	136	+ return IT8152_PCI_INTC;
	137	+
	138	+ /* SB-x2xx Ethernet */
135	139	if (slot == 16)
136	140	return IT8152_PCI_INTA;
137	141
...	...	@@ -32,6 +32,7 @@
32	32	#include "generic.h"
33	33	#include "cm-x2xx-pci.h"
34	34
	35	+extern void cmx255_init(void);
35	36	extern void cmx270_init(void);
36	37
37	38	/* virtual addresses for statically mapped regions */
38	39
39	40
40	41
41	42
42	43
...	...	@@ -39,19 +40,43 @@
39	40	#define CMX2XX_IT8152_VIRT (CMX2XX_VIRT_BASE)
40	41
41	42	/* physical address if local-bus attached devices */
	43	+#define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
42	44	#define CMX270_DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
43	45
44	46	/* leds */
	47	+#define CMX255_GPIO_RED (27)
	48	+#define CMX255_GPIO_GREEN (32)
45	49	#define CMX270_GPIO_RED (93)
46	50	#define CMX270_GPIO_GREEN (94)
47	51
48	52	/* GPIO IRQ usage */
	53	+#define GPIO22_ETHIRQ (22)
49	54	#define GPIO10_ETHIRQ (10)
	55	+#define CMX255_GPIO_IT8152_IRQ (0)
50	56	#define CMX270_GPIO_IT8152_IRQ (22)
51	57
	58	+#define CMX255_ETHIRQ IRQ_GPIO(GPIO22_ETHIRQ)
52	59	#define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ)
53	60
54	61	#if defined(CONFIG_DM9000) \|\| defined(CONFIG_DM9000_MODULE)
	62	+static struct resource cmx255_dm9000_resource[] = {
	63	+ [0] = {
	64	+ .start = CMX255_DM9000_PHYS_BASE,
	65	+ .end = CMX255_DM9000_PHYS_BASE + 3,
	66	+ .flags = IORESOURCE_MEM,
	67	+ },
	68	+ [1] = {
	69	+ .start = CMX255_DM9000_PHYS_BASE + 4,
	70	+ .end = CMX255_DM9000_PHYS_BASE + 4 + 500,
	71	+ .flags = IORESOURCE_MEM,
	72	+ },
	73	+ [2] = {
	74	+ .start = CMX255_ETHIRQ,
	75	+ .end = CMX255_ETHIRQ,
	76	+ .flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_HIGHEDGE,
	77	+ }
	78	+};
	79	+
55	80	static struct resource cmx270_dm9000_resource[] = {
56	81	[0] = {
57	82	.start = CMX270_DM9000_PHYS_BASE,
...	...	@@ -85,7 +110,10 @@
85	110
86	111	static void __init cmx2xx_init_dm9000(void)
87	112	{
88		- cmx2xx_dm9000_device.resource = cmx270_dm9000_resource,
	113	+ if (cpu_is_pxa25x())
	114	+ cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
	115	+ else
	116	+ cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
89	117	platform_device_register(&cmx2xx_dm9000_device);
90	118	}
91	119	#else
...	...	@@ -137,8 +165,13 @@
137	165
138	166	static void __init cmx2xx_init_leds(void)
139	167	{
140		- cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
141		- cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
	168	+ if (cpu_is_pxa25x()) {
	169	+ cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
	170	+ cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
	171	+ } else {
	172	+ cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
	173	+ cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
	174	+ }
142	175	platform_device_register(&cmx2xx_led_device);
143	176	}
144	177	#else
...	...	@@ -437,7 +470,10 @@
437	470	{
438	471	cmx2xx_pm_init();
439	472
440		- cmx270_init();
	473	+ if (cpu_is_pxa25x())
	474	+ cmx255_init();
	475	+ else
	476	+ cmx270_init();
441	477
442	478	cmx2xx_init_dm9000();
443	479	cmx2xx_init_display();
...	...	@@ -450,7 +486,13 @@
450	486	{
451	487	pxa27x_init_irq();
452	488
453		- cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
	489	+ if (cpu_is_pxa25x()) {
	490	+ pxa25x_init_irq();
	491	+ cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
	492	+ } else {
	493	+ pxa27x_init_irq();
	494	+ cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
	495	+ }
454	496	}
455	497
456	498	#ifdef CONFIG_PCI
...	...	@@ -156,7 +156,7 @@
156	156	int mtd_parts_nb = 0;
157	157	int ret;
158	158
159		- if (!machine_is_armcore())
	159	+ if (!(machine_is_armcore() && cpu_is_pxa27x()))
160	160	return -ENODEV;
161	161
162	162	ret = gpio_request(GPIO_NAND_CS, "NAND CS");