aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-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 42629ff84f5..ea569ba482b 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)
"Ir" (THREAD_START_SP - sizeof(regs)),
"r" (&regs),
"Ir" (sizeof(regs))
- : "r0", "r1", "r2", "r3", "ip", "memory");
+ : "r0", "r1", "r2", "r3", "ip", "lr", "memory");
out:
return ret;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index e7d22dbcb69..f6de76e0a45 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)
bad_access:
spin_unlock(&mm->page_table_lock);
- /* simulate a read access fault */
+ /* simulate a write access fault */
do_DataAbort(addr, 15 + (1 << 11), regs);
return -1;
}
diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c
index 41e5849ae8d..f8a742bb2d5 100644
--- a/arch/arm/mach-imx/generic.c
+++ b/arch/arm/mach-imx/generic.c
@@ -28,14 +28,15 @@
#include <linux/module.h>
#include <asm/arch/imxfb.h>
#include <asm/hardware.h>
+#include <asm/arch/imx-regs.h>
#include <asm/mach/map.h>
void imx_gpio_mode(int gpio_mode)
{
unsigned int pin = gpio_mode & GPIO_PIN_MASK;
- unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> 5;
- unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> 10;
+ unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
+ unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
unsigned int tmp;
/* Pullup enable */
@@ -57,7 +58,7 @@ void imx_gpio_mode(int gpio_mode)
GPR(port) &= ~(1<<pin);
/* use as gpio? */
- if( ocr == 3 )
+ if(gpio_mode & GPIO_GIUS)
GIUS(port) |= (1<<pin);
else
GIUS(port) &= ~(1<<pin);
@@ -72,20 +73,20 @@ void imx_gpio_mode(int gpio_mode)
tmp |= (ocr << (pin*2));
OCR1(port) = tmp;
- if( gpio_mode & GPIO_AOUT )
- ICONFA1(port) &= ~( 3<<(pin*2));
- if( gpio_mode & GPIO_BOUT )
- ICONFB1(port) &= ~( 3<<(pin*2));
+ ICONFA1(port) &= ~( 3<<(pin*2));
+ ICONFA1(port) |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
+ ICONFB1(port) &= ~( 3<<(pin*2));
+ ICONFB1(port) |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
} else {
tmp = OCR2(port);
tmp &= ~( 3<<((pin-16)*2));
tmp |= (ocr << ((pin-16)*2));
OCR2(port) = tmp;
- if( gpio_mode & GPIO_AOUT )
- ICONFA2(port) &= ~( 3<<((pin-16)*2));
- if( gpio_mode & GPIO_BOUT )
- ICONFB2(port) &= ~( 3<<((pin-16)*2));
+ ICONFA2(port) &= ~( 3<<((pin-16)*2));
+ ICONFA2(port) |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << ((pin-16) * 2);
+ ICONFB2(port) &= ~( 3<<((pin-16)*2));
+ ICONFB2(port) |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << ((pin-16) * 2);
}
}
diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c
index 5d25434d332..a7511ddfe36 100644
--- a/arch/arm/mach-imx/mx1ads.c
+++ b/arch/arm/mach-imx/mx1ads.c
@@ -55,7 +55,7 @@ static void __init
mx1ads_init(void)
{
#ifdef CONFIG_LEDS
- imx_gpio_mode(GPIO_PORTA | GPIO_OUT | GPIO_GPIO | 2);
+ imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
#endif
platform_add_devices(devices, ARRAY_SIZE(devices));
}
diff --git a/include/asm-arm/arch-h720x/system.h b/include/asm-arm/arch-h720x/system.h
index 0b025e227ec..09eda84592f 100644
--- a/include/asm-arm/arch-h720x/system.h
+++ b/include/asm-arm/arch-h720x/system.h
@@ -17,9 +17,11 @@
static void arch_idle(void)
{
CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_IDLE;
- __asm__ __volatile__(
- "mov r0, r0\n\t"
- "mov r0, r0");
+ nop();
+ nop();
+ CPU_REG (PMU_BASE, PMU_MODE) = PMU_MODE_RUN;
+ nop();
+ nop();
}
diff --git a/include/asm-arm/arch-imx/imx-regs.h b/include/asm-arm/arch-imx/imx-regs.h
index 93b840e8fa6..229f7008d74 100644
--- a/include/asm-arm/arch-imx/imx-regs.h
+++ b/include/asm-arm/arch-imx/imx-regs.h
@@ -76,6 +76,7 @@
#define GPIO_PIN_MASK 0x1f
#define GPIO_PORT_MASK (0x3 << 5)
+#define GPIO_PORT_SHIFT 5
#define GPIO_PORTA (0<<5)
#define GPIO_PORTB (1<<5)
#define GPIO_PORTC (2<<5)
@@ -88,24 +89,37 @@
#define GPIO_PF (0<<9)
#define GPIO_AF (1<<9)
+#define GPIO_OCR_SHIFT 10
#define GPIO_OCR_MASK (3<<10)
#define GPIO_AIN (0<<10)
#define GPIO_BIN (1<<10)
#define GPIO_CIN (2<<10)
-#define GPIO_GPIO (3<<10)
+#define GPIO_DR (3<<10)
-#define GPIO_AOUT (1<<12)
-#define GPIO_BOUT (1<<13)
+#define GPIO_AOUT_SHIFT 12
+#define GPIO_AOUT_MASK (3<<12)
+#define GPIO_AOUT (0<<12)
+#define GPIO_AOUT_ISR (1<<12)
+#define GPIO_AOUT_0 (2<<12)
+#define GPIO_AOUT_1 (3<<12)
+
+#define GPIO_BOUT_SHIFT 14
+#define GPIO_BOUT_MASK (3<<14)
+#define GPIO_BOUT (0<<14)
+#define GPIO_BOUT_ISR (1<<14)
+#define GPIO_BOUT_0 (2<<14)
+#define GPIO_BOUT_1 (3<<14)
+
+#define GPIO_GIUS (1<<16)
/* assignements for GPIO alternate/primary functions */
/* FIXME: This list is not completed. The correct directions are
* missing on some (many) pins
*/
-#define PA0_PF_A24 ( GPIO_PORTA | GPIO_PF | 0 )
-#define PA0_AIN_SPI2_CLK ( GPIO_PORTA | GPIO_OUT | GPIO_AIN | 0 )
+#define PA0_AIN_SPI2_CLK ( GPIO_GIUS | GPIO_PORTA | GPIO_OUT | 0 )
#define PA0_AF_ETMTRACESYNC ( GPIO_PORTA | GPIO_AF | 0 )
-#define PA1_AOUT_SPI2_RXD ( GPIO_PORTA | GPIO_IN | GPIO_AOUT | 1 )
+#define PA1_AOUT_SPI2_RXD ( GPIO_GIUS | GPIO_PORTA | GPIO_IN | 1 )
#define PA1_PF_TIN ( GPIO_PORTA | GPIO_PF | 1 )
#define PA2_PF_PWM0 ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 2 )
#define PA3_PF_CSI_MCLK ( GPIO_PORTA | GPIO_PF | 3 )
@@ -123,7 +137,7 @@
#define PA15_PF_I2C_SDA ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 15 )
#define PA16_PF_I2C_SCL ( GPIO_PORTA | GPIO_OUT | GPIO_PF | 16 )
#define PA17_AF_ETMTRACEPKT4 ( GPIO_PORTA | GPIO_AF | 17 )
-#define PA17_AIN_SPI2_SS ( GPIO_PORTA | GPIO_AIN | 17 )
+#define PA17_AIN_SPI2_SS ( GPIO_GIUS | GPIO_PORTA | GPIO_OUT | 17 )
#define PA18_AF_ETMTRACEPKT5 ( GPIO_PORTA | GPIO_AF | 18 )
#define PA19_AF_ETMTRACEPKT6 ( GPIO_PORTA | GPIO_AF | 19 )
#define PA20_AF_ETMTRACEPKT7 ( GPIO_PORTA | GPIO_AF | 20 )
@@ -191,19 +205,27 @@
#define PC15_PF_SPI1_SS ( GPIO_PORTC | GPIO_PF | 15 )
#define PC16_PF_SPI1_MISO ( GPIO_PORTC | GPIO_PF | 16 )
#define PC17_PF_SPI1_MOSI ( GPIO_PORTC | GPIO_PF | 17 )
+#define PC24_BIN_UART3_RI ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 24 )
+#define PC25_BIN_UART3_DSR ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 25 )
+#define PC26_AOUT_UART3_DTR ( GPIO_GIUS | GPIO_PORTC | GPIO_IN | 26 )
+#define PC27_BIN_UART3_DCD ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 27 )
+#define PC28_BIN_UART3_CTS ( GPIO_GIUS | GPIO_PORTC | GPIO_OUT | GPIO_BIN | 28 )
+#define PC29_AOUT_UART3_RTS ( GPIO_GIUS | GPIO_PORTC | GPIO_IN | 29 )
+#define PC30_BIN_UART3_TX ( GPIO_GIUS | GPIO_PORTC | GPIO_BIN | 30 )
+#define PC31_AOUT_UART3_RX ( GPIO_GIUS | GPIO_PORTC | GPIO_IN | 31)
#define PD6_PF_LSCLK ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 6 )
#define PD7_PF_REV ( GPIO_PORTD | GPIO_PF | 7 )
#define PD7_AF_UART2_DTR ( GPIO_PORTD | GPIO_IN | GPIO_AF | 7 )
-#define PD7_AIN_SPI2_SCLK ( GPIO_PORTD | GPIO_AIN | 7 )
+#define PD7_AIN_SPI2_SCLK ( GPIO_GIUS | GPIO_PORTD | GPIO_AIN | 7 )
#define PD8_PF_CLS ( GPIO_PORTD | GPIO_PF | 8 )
#define PD8_AF_UART2_DCD ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 8 )
-#define PD8_AIN_SPI2_SS ( GPIO_PORTD | GPIO_AIN | 8 )
+#define PD8_AIN_SPI2_SS ( GPIO_GIUS | GPIO_PORTD | GPIO_AIN | 8 )
#define PD9_PF_PS ( GPIO_PORTD | GPIO_PF | 9 )
#define PD9_AF_UART2_RI ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 9 )
-#define PD9_AOUT_SPI2_RXD ( GPIO_PORTD | GPIO_IN | GPIO_AOUT | 9 )
+#define PD9_AOUT_SPI2_RXD ( GPIO_GIUS | GPIO_PORTD | GPIO_IN | 9 )
#define PD10_PF_SPL_SPR ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 10 )
#define PD10_AF_UART2_DSR ( GPIO_PORTD | GPIO_OUT | GPIO_AF | 10 )
-#define PD10_AIN_SPI2_TXD ( GPIO_PORTD | GPIO_OUT | GPIO_AIN | 10 )
+#define PD10_AIN_SPI2_TXD ( GPIO_GIUS | GPIO_PORTD | GPIO_OUT | 10 )
#define PD11_PF_CONTRAST ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 11 )
#define PD12_PF_ACD_OE ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 12 )
#define PD13_PF_LP_HSYNC ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 13 )
@@ -225,7 +247,7 @@
#define PD29_PF_LD14 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 29 )
#define PD30_PF_LD15 ( GPIO_PORTD | GPIO_OUT | GPIO_PF | 30 )
#define PD31_PF_TMR2OUT ( GPIO_PORTD | GPIO_PF | 31 )
-#define PD31_BIN_SPI2_TXD ( GPIO_PORTD | GPIO_BIN | 31 )
+#define PD31_BIN_SPI2_TXD ( GPIO_GIUS | GPIO_PORTD | GPIO_BIN | 31 )
/*
* PWM controller
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 05:59:50 +0000