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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-06 16:20:10 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-06 16:20:10 -0400
commitc6799ade4ae04b53a5f677e5289116155ff01574 (patch)
tree3601b5e2387e39d62c207e4268c6cc5c68f2a364 /arch/arm/mach-pxa
parentb7405e16435f710edfae6ba32bef4ca20d3de145 (diff)
parent5cd47155155a32e5b944ac9fc3f3dc578e429aa0 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (82 commits) [ARM] Add comments marking in-use ptrace numbers [ARM] Move syscall saving out of the way of utrace [ARM] 4360/1: S3C24XX: regs-udc.h remove unused macro [ARM] 4358/1: S3C24XX: mach-qt2410.c: remove linux/mmc/protocol.h header [ARM] mm 10: allow memory type to be specified with ioremap [ARM] mm 9: add additional device memory types [ARM] mm 8: define mem_types table L1 bit 4 to be for ARMv6 [ARM] iop: add missing parens in macro [ARM] mm 7: remove duplicated __ioremap() prototypes ARM: OMAP: fix OMAP1 mpuio suspend/resume oops ARM: OMAP: MPUIO wake updates ARM: OMAP: speed up gpio irq handling ARM: OMAP: plat-omap changes for 2430 SDP ARM: OMAP: gpio object shrinkage, cleanup ARM: OMAP: /sys/kernel/debug/omap_gpio ARM: OMAP: Implement workaround for GPIO wakeup bug in OMAP2420 silicon ARM: OMAP: Enable 24xx GPIO autoidling [ARM] 4318/2: DSM-G600 Board Support [ARM] 4227/1: minor head.S fixups [ARM] 4328/1: Move i.MX UART regs to driver ...
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/generic.c4
-rw-r--r--arch/arm/mach-pxa/irq.c73
-rw-r--r--arch/arm/mach-pxa/lpd270.c4
-rw-r--r--arch/arm/mach-pxa/lubbock.c2
-rw-r--r--arch/arm/mach-pxa/mainstone.c4
-rw-r--r--arch/arm/mach-pxa/pxa27x.c4
-rw-r--r--arch/arm/mach-pxa/ssp.c12
7 files changed, 85 insertions, 18 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index b8cb79f899d5..64b08b744f9f 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -164,9 +164,9 @@ void pxa_set_cken(int clock, int enable)
164 local_irq_save(flags); 164 local_irq_save(flags);
165 165
166 if (enable) 166 if (enable)
167 CKEN |= clock; 167 CKEN |= (1 << clock);
168 else 168 else
169 CKEN &= ~clock; 169 CKEN &= ~(1 << clock);
170 170
171 local_irq_restore(flags); 171 local_irq_restore(flags);
172} 172}
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index f815678a9d63..4619d5fe606c 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -15,7 +15,6 @@
15#include <linux/init.h> 15#include <linux/init.h>
16#include <linux/module.h> 16#include <linux/module.h>
17#include <linux/interrupt.h> 17#include <linux/interrupt.h>
18#include <linux/ptrace.h>
19 18
20#include <asm/hardware.h> 19#include <asm/hardware.h>
21#include <asm/irq.h> 20#include <asm/irq.h>
@@ -39,11 +38,33 @@ static void pxa_unmask_low_irq(unsigned int irq)
39 ICMR |= (1 << (irq + PXA_IRQ_SKIP)); 38 ICMR |= (1 << (irq + PXA_IRQ_SKIP));
40} 39}
41 40
41static int pxa_set_wake(unsigned int irq, unsigned int on)
42{
43 u32 mask;
44
45 switch (irq) {
46 case IRQ_RTCAlrm:
47 mask = PWER_RTC;
48 break;
49#ifdef CONFIG_PXA27x
50 /* REVISIT can handle USBH1, USBH2, USB, MSL, USIM, ... */
51#endif
52 default:
53 return -EINVAL;
54 }
55 if (on)
56 PWER |= mask;
57 else
58 PWER &= ~mask;
59 return 0;
60}
61
42static struct irq_chip pxa_internal_chip_low = { 62static struct irq_chip pxa_internal_chip_low = {
43 .name = "SC", 63 .name = "SC",
44 .ack = pxa_mask_low_irq, 64 .ack = pxa_mask_low_irq,
45 .mask = pxa_mask_low_irq, 65 .mask = pxa_mask_low_irq,
46 .unmask = pxa_unmask_low_irq, 66 .unmask = pxa_unmask_low_irq,
67 .set_wake = pxa_set_wake,
47}; 68};
48 69
49#if PXA_INTERNAL_IRQS > 32 70#if PXA_INTERNAL_IRQS > 32
@@ -71,6 +92,26 @@ static struct irq_chip pxa_internal_chip_high = {
71 92
72#endif 93#endif
73 94
95/* Note that if an input/irq line ever gets changed to an output during
96 * suspend, the relevant PWER, PRER, and PFER bits should be cleared.
97 */
98#ifdef CONFIG_PXA27x
99
100/* PXA27x: Various gpios can issue wakeup events. This logic only
101 * handles the simple cases, not the WEMUX2 and WEMUX3 options
102 */
103#define PXA27x_GPIO_NOWAKE_MASK \
104 ((1 << 8) | (1 << 7) | (1 << 6) | (1 << 5) | (1 << 2))
105#define WAKEMASK(gpio) \
106 (((gpio) <= 15) \
107 ? ((1 << (gpio)) & ~PXA27x_GPIO_NOWAKE_MASK) \
108 : ((gpio == 35) ? (1 << 24) : 0))
109#else
110
111/* pxa 210, 250, 255, 26x: gpios 0..15 can issue wakeups */
112#define WAKEMASK(gpio) (((gpio) <= 15) ? (1 << (gpio)) : 0)
113#endif
114
74/* 115/*
75 * PXA GPIO edge detection for IRQs: 116 * PXA GPIO edge detection for IRQs:
76 * IRQs are generated on Falling-Edge, Rising-Edge, or both. 117 * IRQs are generated on Falling-Edge, Rising-Edge, or both.
@@ -84,9 +125,11 @@ static long GPIO_IRQ_mask[4];
84static int pxa_gpio_irq_type(unsigned int irq, unsigned int type) 125static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
85{ 126{
86 int gpio, idx; 127 int gpio, idx;
128 u32 mask;
87 129
88 gpio = IRQ_TO_GPIO(irq); 130 gpio = IRQ_TO_GPIO(irq);
89 idx = gpio >> 5; 131 idx = gpio >> 5;
132 mask = WAKEMASK(gpio);
90 133
91 if (type == IRQT_PROBE) { 134 if (type == IRQT_PROBE) {
92 /* Don't mess with enabled GPIOs using preconfigured edges or 135 /* Don't mess with enabled GPIOs using preconfigured edges or
@@ -106,14 +149,20 @@ static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
106 if (type & __IRQT_RISEDGE) { 149 if (type & __IRQT_RISEDGE) {
107 /* printk("rising "); */ 150 /* printk("rising "); */
108 __set_bit (gpio, GPIO_IRQ_rising_edge); 151 __set_bit (gpio, GPIO_IRQ_rising_edge);
109 } else 152 PRER |= mask;
153 } else {
110 __clear_bit (gpio, GPIO_IRQ_rising_edge); 154 __clear_bit (gpio, GPIO_IRQ_rising_edge);
155 PRER &= ~mask;
156 }
111 157
112 if (type & __IRQT_FALEDGE) { 158 if (type & __IRQT_FALEDGE) {
113 /* printk("falling "); */ 159 /* printk("falling "); */
114 __set_bit (gpio, GPIO_IRQ_falling_edge); 160 __set_bit (gpio, GPIO_IRQ_falling_edge);
115 } else 161 PFER |= mask;
162 } else {
116 __clear_bit (gpio, GPIO_IRQ_falling_edge); 163 __clear_bit (gpio, GPIO_IRQ_falling_edge);
164 PFER &= ~mask;
165 }
117 166
118 /* printk("edges\n"); */ 167 /* printk("edges\n"); */
119 168
@@ -131,12 +180,29 @@ static void pxa_ack_low_gpio(unsigned int irq)
131 GEDR0 = (1 << (irq - IRQ_GPIO0)); 180 GEDR0 = (1 << (irq - IRQ_GPIO0));
132} 181}
133 182
183static int pxa_set_gpio_wake(unsigned int irq, unsigned int on)
184{
185 int gpio = IRQ_TO_GPIO(irq);
186 u32 mask = WAKEMASK(gpio);
187
188 if (!mask)
189 return -EINVAL;
190
191 if (on)
192 PWER |= mask;
193 else
194 PWER &= ~mask;
195 return 0;
196}
197
198
134static struct irq_chip pxa_low_gpio_chip = { 199static struct irq_chip pxa_low_gpio_chip = {
135 .name = "GPIO-l", 200 .name = "GPIO-l",
136 .ack = pxa_ack_low_gpio, 201 .ack = pxa_ack_low_gpio,
137 .mask = pxa_mask_low_irq, 202 .mask = pxa_mask_low_irq,
138 .unmask = pxa_unmask_low_irq, 203 .unmask = pxa_unmask_low_irq,
139 .set_type = pxa_gpio_irq_type, 204 .set_type = pxa_gpio_irq_type,
205 .set_wake = pxa_set_gpio_wake,
140}; 206};
141 207
142/* 208/*
@@ -245,6 +311,7 @@ static struct irq_chip pxa_muxed_gpio_chip = {
245 .mask = pxa_mask_muxed_gpio, 311 .mask = pxa_mask_muxed_gpio,
246 .unmask = pxa_unmask_muxed_gpio, 312 .unmask = pxa_unmask_muxed_gpio,
247 .set_type = pxa_gpio_irq_type, 313 .set_type = pxa_gpio_irq_type,
314 .set_wake = pxa_set_gpio_wake,
248}; 315};
249 316
250 317
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index 8e27a64fa9f4..e3097664ffe1 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -234,7 +234,7 @@ static void lpd270_backlight_power(int on)
234{ 234{
235 if (on) { 235 if (on) {
236 pxa_gpio_mode(GPIO16_PWM0_MD); 236 pxa_gpio_mode(GPIO16_PWM0_MD);
237 pxa_set_cken(CKEN0_PWM0, 1); 237 pxa_set_cken(CKEN_PWM0, 1);
238 PWM_CTRL0 = 0; 238 PWM_CTRL0 = 0;
239 PWM_PWDUTY0 = 0x3ff; 239 PWM_PWDUTY0 = 0x3ff;
240 PWM_PERVAL0 = 0x3ff; 240 PWM_PERVAL0 = 0x3ff;
@@ -242,7 +242,7 @@ static void lpd270_backlight_power(int on)
242 PWM_CTRL0 = 0; 242 PWM_CTRL0 = 0;
243 PWM_PWDUTY0 = 0x0; 243 PWM_PWDUTY0 = 0x0;
244 PWM_PERVAL0 = 0x3FF; 244 PWM_PERVAL0 = 0x3FF;
245 pxa_set_cken(CKEN0_PWM0, 0); 245 pxa_set_cken(CKEN_PWM0, 0);
246 } 246 }
247} 247}
248 248
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 055de7f4f00a..6377b2e29ff0 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -220,7 +220,7 @@ static struct resource pxa_ssp_resources[] = {
220 220
221static struct pxa2xx_spi_master pxa_ssp_master_info = { 221static struct pxa2xx_spi_master pxa_ssp_master_info = {
222 .ssp_type = PXA25x_SSP, 222 .ssp_type = PXA25x_SSP,
223 .clock_enable = CKEN3_SSP, 223 .clock_enable = CKEN_SSP,
224 .num_chipselect = 0, 224 .num_chipselect = 0,
225}; 225};
226 226
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 56d94d88d5ca..ed99a81b98f3 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -266,7 +266,7 @@ static void mainstone_backlight_power(int on)
266{ 266{
267 if (on) { 267 if (on) {
268 pxa_gpio_mode(GPIO16_PWM0_MD); 268 pxa_gpio_mode(GPIO16_PWM0_MD);
269 pxa_set_cken(CKEN0_PWM0, 1); 269 pxa_set_cken(CKEN_PWM0, 1);
270 PWM_CTRL0 = 0; 270 PWM_CTRL0 = 0;
271 PWM_PWDUTY0 = 0x3ff; 271 PWM_PWDUTY0 = 0x3ff;
272 PWM_PERVAL0 = 0x3ff; 272 PWM_PERVAL0 = 0x3ff;
@@ -274,7 +274,7 @@ static void mainstone_backlight_power(int on)
274 PWM_CTRL0 = 0; 274 PWM_CTRL0 = 0;
275 PWM_PWDUTY0 = 0x0; 275 PWM_PWDUTY0 = 0x0;
276 PWM_PERVAL0 = 0x3FF; 276 PWM_PERVAL0 = 0x3FF;
277 pxa_set_cken(CKEN0_PWM0, 0); 277 pxa_set_cken(CKEN_PWM0, 0);
278 } 278 }
279} 279}
280 280
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 74eeada1e2fc..c64bab49efc4 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -140,9 +140,9 @@ void pxa_cpu_pm_enter(suspend_state_t state)
140 extern void pxa_cpu_resume(void); 140 extern void pxa_cpu_resume(void);
141 141
142 if (state == PM_SUSPEND_STANDBY) 142 if (state == PM_SUSPEND_STANDBY)
143 CKEN = CKEN22_MEMC | CKEN9_OSTIMER | CKEN16_LCD |CKEN0_PWM0; 143 CKEN = CKEN_MEMC | CKEN_OSTIMER | CKEN_LCD | CKEN_PWM0;
144 else 144 else
145 CKEN = CKEN22_MEMC | CKEN9_OSTIMER; 145 CKEN = CKEN_MEMC | CKEN_OSTIMER;
146 146
147 /* ensure voltage-change sequencer not initiated, which hangs */ 147 /* ensure voltage-change sequencer not initiated, which hangs */
148 PCFR &= ~PCFR_FVC; 148 PCFR &= ~PCFR_FVC;
diff --git a/arch/arm/mach-pxa/ssp.c b/arch/arm/mach-pxa/ssp.c
index 6cc202755fb4..71766ac0328b 100644
--- a/arch/arm/mach-pxa/ssp.c
+++ b/arch/arm/mach-pxa/ssp.c
@@ -52,13 +52,13 @@ struct ssp_info_ {
52 */ 52 */
53static const struct ssp_info_ ssp_info[PXA_SSP_PORTS] = { 53static const struct ssp_info_ ssp_info[PXA_SSP_PORTS] = {
54#if defined (CONFIG_PXA27x) 54#if defined (CONFIG_PXA27x)
55 {IRQ_SSP, CKEN23_SSP1}, 55 {IRQ_SSP, CKEN_SSP1},
56 {IRQ_SSP2, CKEN3_SSP2}, 56 {IRQ_SSP2, CKEN_SSP2},
57 {IRQ_SSP3, CKEN4_SSP3}, 57 {IRQ_SSP3, CKEN_SSP3},
58#else 58#else
59 {IRQ_SSP, CKEN3_SSP}, 59 {IRQ_SSP, CKEN_SSP},
60 {IRQ_NSSP, CKEN9_NSSP}, 60 {IRQ_NSSP, CKEN_NSSP},
61 {IRQ_ASSP, CKEN10_ASSP}, 61 {IRQ_ASSP, CKEN_ASSP},
62#endif 62#endif
63}; 63};
64 64