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-rw-r--r--arch/arm/kernel/sys_arm.c2
-rw-r--r--arch/arm/kernel/traps.c2
-rw-r--r--arch/arm/mach-imx/generic.c23
-rw-r--r--arch/arm/mach-imx/mx1ads.c2
-rw-r--r--include/asm-arm/arch-h720x/system.h8
-rw-r--r--include/asm-arm/arch-imx/imx-regs.h46
6 files changed, 54 insertions, 29 deletions
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index 42629ff84f5a..ea569ba482b1 100644
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -305,7 +305,7 @@ long execve(const char *filename, char **argv, char **envp)
305 "Ir" (THREAD_START_SP - sizeof(regs)), 305 "Ir" (THREAD_START_SP - sizeof(regs)),
306 "r" (&regs), 306 "r" (&regs),
307 "Ir" (sizeof(regs)) 307 "Ir" (sizeof(regs))
308 : "r0", "r1", "r2", "r3", "ip", "memory"); 308 : "r0", "r1", "r2", "r3", "ip", "lr", "memory");
309 309
310 out: 310 out:
311 return ret; 311 return ret;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index e7d22dbcb691..f6de76e0a45d 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -504,7 +504,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
504 504
505 bad_access: 505 bad_access:
506 spin_unlock(&mm->page_table_lock); 506 spin_unlock(&mm->page_table_lock);
507 /* simulate a read access fault */ 507 /* simulate a write access fault */
508 do_DataAbort(addr, 15 + (1 << 11), regs); 508 do_DataAbort(addr, 15 + (1 << 11), regs);
509 return -1; 509 return -1;
510 } 510 }
diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c
index 41e5849ae8da..f8a742bb2d5b 100644
--- a/arch/arm/mach-imx/generic.c
+++ b/arch/arm/mach-imx/generic.c
@@ -28,14 +28,15 @@
28#include <linux/module.h> 28#include <linux/module.h>
29#include <asm/arch/imxfb.h> 29#include <asm/arch/imxfb.h>
30#include <asm/hardware.h> 30#include <asm/hardware.h>
31#include <asm/arch/imx-regs.h>
31 32
32#include <asm/mach/map.h> 33#include <asm/mach/map.h>
33 34
34void imx_gpio_mode(int gpio_mode) 35void imx_gpio_mode(int gpio_mode)
35{ 36{
36 unsigned int pin = gpio_mode & GPIO_PIN_MASK; 37 unsigned int pin = gpio_mode & GPIO_PIN_MASK;
37 unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> 5; 38 unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
38 unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> 10; 39 unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
39 unsigned int tmp; 40 unsigned int tmp;
40 41
41 /* Pullup enable */ 42 /* Pullup enable */
@@ -57,7 +58,7 @@ void imx_gpio_mode(int gpio_mode)
57 GPR(port) &= ~(1<<pin); 58 GPR(port) &= ~(1<<pin);
58 59
59 /* use as gpio? */ 60 /* use as gpio? */
60 if( ocr == 3 ) 61 if(gpio_mode & GPIO_GIUS)
61 GIUS(port) |= (1<<pin); 62 GIUS(port) |= (1<<pin);
62 else 63 else
63 GIUS(port) &= ~(1<<pin); 64 GIUS(port) &= ~(1<<pin);
@@ -72,20 +73,20 @@ void imx_gpio_mode(int gpio_mode)
72 tmp |= (ocr << (pin*2)); 73 tmp |= (ocr << (pin*2));
73 OCR1(port) = tmp; 74 OCR1(port) = tmp;
74 75
75 if( gpio_mode & GPIO_AOUT ) 76 ICONFA1(port) &= ~( 3<<(pin*2));
76 ICONFA1(port) &= ~( 3<<(pin*2)); 77 ICONFA1(port) |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
77 if( gpio_mode & GPIO_BOUT ) 78 ICONFB1(port) &= ~( 3<<(pin*2));
78 ICONFB1(port) &= ~( 3<<(pin*2)); 79 ICONFB1(port) |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
79 } else { 80 } else {
80 tmp = OCR2(port); 81 tmp = OCR2(port);
81 tmp &= ~( 3<<((pin-16)*2)); 82 tmp &= ~( 3<<((pin-16)*2));
82 tmp |= (ocr << ((pin-16)*2)); 83 tmp |= (ocr << ((pin-16)*2));
83 OCR2(port) = tmp; 84 OCR2(port) = tmp;
84 85
85 if( gpio_mode & GPIO_AOUT ) 86 ICONFA2(port) &= ~( 3<<((pin-16)*2));
86 ICONFA2(port) &= ~( 3<<((pin-16)*2)); 87 ICONFA2(port) |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << ((pin-16) * 2);
87 if( gpio_mode & GPIO_BOUT ) 88 ICONFB2(port) &= ~( 3<<((pin-16)*2));
88 ICONFB2(port) &= ~( 3<<((pin-16)*2)); 89 ICONFB2(port) |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << ((pin-16) * 2);
89 } 90 }
90} 91}
91 92
diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c
index 5d25434d332c..a7511ddfe364 100644
--- a/arch/arm/mach-imx/mx1ads.c
+++ b/arch/arm/mach-imx/mx1ads.c
@@ -55,7 +55,7 @@ static void __init
55mx1ads_init(void) 55mx1ads_init(void)
56{ 56{
57#ifdef CONFIG_LEDS 57#ifdef CONFIG_LEDS
58 imx_gpio_mode(GPIO_PORTA | GPIO_OUT | GPIO_GPIO | 2); 58 imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
59#endif 59#endif
60 platform_add_devices(devices, ARRAY_SIZE(devices)); 60 platform_add_devices(devices, ARRAY_SIZE(devices));
61} 61}
diff --git a/include/asm-arm/arch-h720x/system.h b/include/asm-arm/arch-h720x/system.h
index 0b025e227ec2..09eda84592ff 100644
--- a/include/asm-arm/arch-h720x/system.h
+++ b/include/asm-arm/arch-h720x/system.h
@@ -17,9 +17,11 @@
17static void arch_idle(void) 17static void arch_idle(void)
18{ 18{
19 CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_IDLE; 19 CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_IDLE;
20 __asm__ __volatile__( 20 nop();
21 "mov r0, r0\n\t" 21 nop();
22 "mov r0, r0"); 22 CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_RUN;
23 nop();
24 nop();
23} 25}
24 26
25 27
diff --git a/include/asm-arm/arch-imx/imx-regs.h b/include/asm-arm/arch-imx/imx-regs.h
index 93b840e8fa60..229f7008d74f 100644
--- a/include/asm-arm/arch-imx/imx-regs.h
+++ b/include/asm-arm/arch-imx/imx-regs.h
@@ -76,6 +76,7 @@
76#define GPIO_PIN_MASK 0x1f 76#define GPIO_PIN_MASK 0x1f
77#define GPIO_PORT_MASK (0x3 << 5) 77#define GPIO_PORT_MASK (0x3 << 5)
78 78
79#define GPIO_PORT_SHIFT 5
79#define GPIO_PORTA (0<<5) 80#define GPIO_PORTA (0<<5)
80#define GPIO_PORTB (1<<5) 81#define GPIO_PORTB (1<<5)
81#define GPIO_PORTC (2<<5) 82#define GPIO_PORTC (2<<5)
@@ -88,24 +89,37 @@
88#define GPIO_PF (0<<9) 89#define GPIO_PF (0<<9)
89#define GPIO_AF (1<<9) 90#define GPIO_AF (1<<9)
90 91
92#define GPIO_OCR_SHIFT 10
91#define GPIO_OCR_MASK (3<<10) 93#define GPIO_OCR_MASK (3<<10)
92#define GPIO_AIN (0<<10) 94#define GPIO_AIN (0<<10)
93#define GPIO_BIN (1<<10) 95#define GPIO_BIN (1<<10)
94#define GPIO_CIN (2<<10) 96#define GPIO_CIN (2<<10)
95#define GPIO_GPIO (3<<10) 97#define GPIO_DR (3<<10)
96 98
97#define GPIO_AOUT (1<<12) 99#define GPIO_AOUT_SHIFT 12
98#define GPIO_BOUT (1<<13) 100#define GPIO_AOUT_MASK (3<<12)
101#define GPIO_AOUT (0<<12)
102#define GPIO_AOUT_ISR (1<<12)
103#define GPIO_AOUT_0 (2<<12)
104#define GPIO_AOUT_1 (3<<12)
105
106#define GPIO_BOUT_SHIFT 14
107#define GPIO_BOUT_MASK (3<<14)
108#define GPIO_BOUT (0<<14)
109#define GPIO_BOUT_ISR (1<<14)
110#define GPIO_BOUT_0 (2<<14)
111#define GPIO_BOUT_1 (3<<14)
112
113#define GPIO_GIUS (1<<16)
99 114
100/* assignements for GPIO alternate/primary functions */ 115/* assignements for GPIO alternate/primary functions */
101 116
102/* FIXME: This list is not completed. The correct directions are 117/* FIXME: This list is not completed. The correct directions are
103 * missing on some (many) pins 118 * missing on some (many) pins
104 */ 119 */
105#define PA0_PF_A24 ( GPIO_PORTA | GPIO_PF | 0 ) 120#define PA0_AIN_SPI2_CLK ( GPIO_GIUS | GPIO_PORTA | GPIO_OUT | 0 )
106#define PA0_AIN_SPI2_CLK ( GPIO_PORTA | GPIO_OUT | GPIO_AIN | 0 )
107#define PA0_AF_ETMTRACESYNC ( GPIO_PORTA | GPIO_AF | 0 ) 121#define PA0_AF_ETMTRACESYNC ( GPIO_PORTA | GPIO_AF | 0 )
108#define PA1_AOUT_SPI2_RXD ( GPIO_PORTA | GPIO_IN | GPIO_AOUT | 1 ) 122#define PA1_AOUT_SPI2_RXD ( GPIO_GIUS | GPIO_PORTA | GPIO_IN | 1 )
109#define PA1_PF_TIN ( GPIO_PORTA | GPIO_PF | 1 ) 123#define PA1_PF_TIN ( GPIO_PORTA | GPIO_PF | 1 )
110#define PA2_PF_PWM0 ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 2 ) 124#define PA2_PF_PWM0 ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 2 )
111#define PA3_PF_CSI_MCLK ( GPIO_PORTA | GPIO_PF | 3 ) 125#define PA3_PF_CSI_MCLK ( GPIO_PORTA | GPIO_PF | 3 )
@@ -123,7 +137,7 @@
123#define PA15_PF_I2C_SDA ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 15 ) 137#define PA15_PF_I2C_SDA ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 15 )
124#define PA16_PF_I2C_SCL ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 16 ) 138#define PA16_PF_I2C_SCL ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 16 )
125#define PA17_AF_ETMTRACEPKT4 ( GPIO_PORTA | GPIO_AF | 17 ) 139#define PA17_AF_ETMTRACEPKT4 ( GPIO_PORTA | GPIO_AF | 17 )
126#define PA17_AIN_SPI2_SS ( GPIO_PORTA | GPIO_AIN | 17 ) 140#define PA17_AIN_SPI2_SS ( GPIO_GIUS | GPIO_PORTA | GPIO_OUT | 17 )
127#define PA18_AF_ETMTRACEPKT5 ( GPIO_PORTA | GPIO_AF | 18 ) 141#define PA18_AF_ETMTRACEPKT5 ( GPIO_PORTA | GPIO_AF | 18 )
128#define PA19_AF_ETMTRACEPKT6 ( GPIO_PORTA | GPIO_AF | 19 ) 142#define PA19_AF_ETMTRACEPKT6 ( GPIO_PORTA | GPIO_AF | 19 )
129#define PA20_AF_ETMTRACEPKT7 ( GPIO_PORTA | GPIO_AF | 20 ) 143#define PA20_AF_ETMTRACEPKT7 ( GPIO_PORTA | GPIO_AF | 20 )
@@ -191,19 +205,27 @@
191#define PC15_PF_SPI1_SS ( GPIO_PORTC | GPIO_PF | 15 ) 205#define PC15_PF_SPI1_SS ( GPIO_PORTC | GPIO_PF | 15 )
192#define PC16_PF_SPI1_MISO ( GPIO_PORTC | GPIO_PF | 16 ) 206#define PC16_PF_SPI1_MISO ( GPIO_PORTC | GPIO_PF | 16 )
193#define PC17_PF_SPI1_MOSI ( GPIO_PORTC | GPIO_PF | 17 ) 207#define PC17_PF_SPI1_MOSI ( GPIO_PORTC | GPIO_PF | 17 )
208#define PC24_BIN_UART3_RI ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 24 )
209#define PC25_BIN_UART3_DSR ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 25 )
210#define PC26_AOUT_UART3_DTR ( GPIO_GIUS | GPIO_PORTC | GPIO_IN | 26 )
211#define PC27_BIN_UART3_DCD ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 27 )
212#define PC28_BIN_UART3_CTS ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 28 )
213#define PC29_AOUT_UART3_RTS ( GPIO_GIUS | GPIO_PORTC | GPIO_IN | 29 )
214#define PC30_BIN_UART3_TX ( GPIO_GIUS | GPIO_PORTC | GPIO_BIN | 30 )
215#define PC31_AOUT_UART3_RX ( GPIO_GIUS | GPIO_PORTC | GPIO_IN | 31)
194#define PD6_PF_LSCLK ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 6 ) 216#define PD6_PF_LSCLK ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 6 )
195#define PD7_PF_REV ( GPIO_PORTD | GPIO_PF | 7 ) 217#define PD7_PF_REV ( GPIO_PORTD | GPIO_PF | 7 )
196#define PD7_AF_UART2_DTR ( GPIO_PORTD | GPIO_IN | GPIO_AF | 7 ) 218#define PD7_AF_UART2_DTR ( GPIO_PORTD | GPIO_IN | GPIO_AF | 7 )
197#define PD7_AIN_SPI2_SCLK ( GPIO_PORTD | GPIO_AIN | 7 ) 219#define PD7_AIN_SPI2_SCLK ( GPIO_GIUS | GPIO_PORTD | GPIO_AIN | 7 )
198#define PD8_PF_CLS ( GPIO_PORTD | GPIO_PF | 8 ) 220#define PD8_PF_CLS ( GPIO_PORTD | GPIO_PF | 8 )
199#define PD8_AF_UART2_DCD ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 8 ) 221#define PD8_AF_UART2_DCD ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 8 )
200#define PD8_AIN_SPI2_SS ( GPIO_PORTD | GPIO_AIN | 8 ) 222#define PD8_AIN_SPI2_SS ( GPIO_GIUS | GPIO_PORTD | GPIO_AIN | 8 )
201#define PD9_PF_PS ( GPIO_PORTD | GPIO_PF | 9 ) 223#define PD9_PF_PS ( GPIO_PORTD | GPIO_PF | 9 )
202#define PD9_AF_UART2_RI ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 9 ) 224#define PD9_AF_UART2_RI ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 9 )
203#define PD9_AOUT_SPI2_RXD ( GPIO_PORTD | GPIO_IN | GPIO_AOUT | 9 ) 225#define PD9_AOUT_SPI2_RXD ( GPIO_GIUS | GPIO_PORTD | GPIO_IN | 9 )
204#define PD10_PF_SPL_SPR ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 10 ) 226#define PD10_PF_SPL_SPR ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 10 )
205#define PD10_AF_UART2_DSR ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 10 ) 227#define PD10_AF_UART2_DSR ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 10 )
206#define PD10_AIN_SPI2_TXD ( GPIO_PORTD | GPIO_OUT | GPIO_AIN | 10 ) 228#define PD10_AIN_SPI2_TXD ( GPIO_GIUS | GPIO_PORTD | GPIO_OUT | 10 )
207#define PD11_PF_CONTRAST ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 11 ) 229#define PD11_PF_CONTRAST ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 11 )
208#define PD12_PF_ACD_OE ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 12 ) 230#define PD12_PF_ACD_OE ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 12 )
209#define PD13_PF_LP_HSYNC ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 13 ) 231#define PD13_PF_LP_HSYNC ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 13 )
@@ -225,7 +247,7 @@
225#define PD29_PF_LD14 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 29 ) 247#define PD29_PF_LD14 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 29 )
226#define PD30_PF_LD15 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 30 ) 248#define PD30_PF_LD15 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 30 )
227#define PD31_PF_TMR2OUT ( GPIO_PORTD | GPIO_PF | 31 ) 249#define PD31_PF_TMR2OUT ( GPIO_PORTD | GPIO_PF | 31 )
228#define PD31_BIN_SPI2_TXD ( GPIO_PORTD | GPIO_BIN | 31 ) 250#define PD31_BIN_SPI2_TXD ( GPIO_GIUS | GPIO_PORTD | GPIO_BIN | 31 )
229 251
230/* 252/*
231 * PWM controller 253 * PWM controller