aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/Makefile4
-rw-r--r--arch/arm/mach-pxa/corgi.c42
-rw-r--r--arch/arm/mach-pxa/idp.c12
-rw-r--r--arch/arm/mach-pxa/lubbock.c12
-rw-r--r--arch/arm/mach-pxa/mainstone.c12
-rw-r--r--arch/arm/mach-pxa/poodle.c14
-rw-r--r--arch/arm/mach-pxa/pxa27x.c9
-rw-r--r--arch/arm/mach-pxa/standby.S32
8 files changed, 97 insertions, 40 deletions
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index c4e6d2523585..efc2f657184e 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -24,3 +24,7 @@ obj-$(CONFIG_LEDS) += $(led-y)
24 24
25# Misc features 25# Misc features
26obj-$(CONFIG_PM) += pm.o sleep.o 26obj-$(CONFIG_PM) += pm.o sleep.o
27
28ifeq ($(CONFIG_PXA27x),y)
29obj-$(CONFIG_PM) += standby.o
30endif
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index f691cf77d390..86b862f56e7e 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -287,34 +287,40 @@ static void __init corgi_map_io(void)
287 287
288#ifdef CONFIG_MACH_CORGI 288#ifdef CONFIG_MACH_CORGI
289MACHINE_START(CORGI, "SHARP Corgi") 289MACHINE_START(CORGI, "SHARP Corgi")
290 BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000)) 290 .phys_ram = 0xa0000000,
291 FIXUP(fixup_corgi) 291 .phys_io = 0x40000000,
292 MAPIO(corgi_map_io) 292 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
293 INITIRQ(corgi_init_irq) 293 .fixup = fixup_corgi,
294 .init_machine = corgi_init, 294 .map_io = corgi_map_io,
295 .timer = &pxa_timer, 295 .init_irq = corgi_init_irq,
296 .init_machine = corgi_init,
297 .timer = &pxa_timer,
296MACHINE_END 298MACHINE_END
297#endif 299#endif
298 300
299#ifdef CONFIG_MACH_SHEPHERD 301#ifdef CONFIG_MACH_SHEPHERD
300MACHINE_START(SHEPHERD, "SHARP Shepherd") 302MACHINE_START(SHEPHERD, "SHARP Shepherd")
301 BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000)) 303 .phys_ram = 0xa0000000,
302 FIXUP(fixup_corgi) 304 .phys_io = 0x40000000,
303 MAPIO(corgi_map_io) 305 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
304 INITIRQ(corgi_init_irq) 306 .fixup = fixup_corgi,
305 .init_machine = corgi_init, 307 .map_io = corgi_map_io,
306 .timer = &pxa_timer, 308 .init_irq = corgi_init_irq,
309 .init_machine = corgi_init,
310 .timer = &pxa_timer,
307MACHINE_END 311MACHINE_END
308#endif 312#endif
309 313
310#ifdef CONFIG_MACH_HUSKY 314#ifdef CONFIG_MACH_HUSKY
311MACHINE_START(HUSKY, "SHARP Husky") 315MACHINE_START(HUSKY, "SHARP Husky")
312 BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000)) 316 .phys_ram = 0xa0000000,
313 FIXUP(fixup_corgi) 317 .phys_io = 0x40000000,
314 MAPIO(corgi_map_io) 318 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
315 INITIRQ(corgi_init_irq) 319 .fixup = fixup_corgi,
316 .init_machine = corgi_init, 320 .map_io = corgi_map_io,
317 .timer = &pxa_timer, 321 .init_irq = corgi_init_irq,
322 .init_machine = corgi_init,
323 .timer = &pxa_timer,
318MACHINE_END 324MACHINE_END
319#endif 325#endif
320 326
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index c5a66bf4d3d5..386e107b53cc 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -181,10 +181,12 @@ static void __init idp_map_io(void)
181 181
182 182
183MACHINE_START(PXA_IDP, "Vibren PXA255 IDP") 183MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
184 MAINTAINER("Vibren Technologies") 184 /* Maintainer: Vibren Technologies */
185 BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000)) 185 .phys_ram = 0xa0000000,
186 MAPIO(idp_map_io) 186 .phys_io = 0x40000000,
187 INITIRQ(idp_init_irq) 187 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
188 .map_io = idp_map_io,
189 .init_irq = idp_init_irq,
188 .timer = &pxa_timer, 190 .timer = &pxa_timer,
189 INIT_MACHINE(idp_init) 191 .init_machine = idp_init,
190MACHINE_END 192MACHINE_END
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index f2c9e0d2b24b..6309853b59be 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -268,10 +268,12 @@ static void __init lubbock_map_io(void)
268} 268}
269 269
270MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)") 270MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)")
271 MAINTAINER("MontaVista Software Inc.") 271 /* Maintainer: MontaVista Software Inc. */
272 BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000)) 272 .phys_ram = 0xa0000000,
273 MAPIO(lubbock_map_io) 273 .phys_io = 0x40000000,
274 INITIRQ(lubbock_init_irq) 274 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
275 .map_io = lubbock_map_io,
276 .init_irq = lubbock_init_irq,
275 .timer = &pxa_timer, 277 .timer = &pxa_timer,
276 INIT_MACHINE(lubbock_init) 278 .init_machine = lubbock_init,
277MACHINE_END 279MACHINE_END
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 9896afca751f..827b7b5a5be8 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -345,10 +345,12 @@ static void __init mainstone_map_io(void)
345} 345}
346 346
347MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)") 347MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
348 MAINTAINER("MontaVista Software Inc.") 348 /* Maintainer: MontaVista Software Inc. */
349 BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000)) 349 .phys_ram = 0xa0000000,
350 MAPIO(mainstone_map_io) 350 .phys_io = 0x40000000,
351 INITIRQ(mainstone_init_irq) 351 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
352 .map_io = mainstone_map_io,
353 .init_irq = mainstone_init_irq,
352 .timer = &pxa_timer, 354 .timer = &pxa_timer,
353 INIT_MACHINE(mainstone_init) 355 .init_machine = mainstone_init,
354MACHINE_END 356MACHINE_END
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index b6c746ea3830..0e4f6fab100a 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -180,10 +180,12 @@ static void __init poodle_map_io(void)
180} 180}
181 181
182MACHINE_START(POODLE, "SHARP Poodle") 182MACHINE_START(POODLE, "SHARP Poodle")
183 BOOT_MEM(0xa0000000, 0x40000000, io_p2v(0x40000000)) 183 .phys_ram = 0xa0000000,
184 FIXUP(fixup_poodle) 184 .phys_io = 0x40000000,
185 MAPIO(poodle_map_io) 185 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
186 INITIRQ(pxa_init_irq) 186 .fixup = fixup_poodle,
187 .timer = &pxa_timer, 187 .map_io = poodle_map_io,
188 .init_machine = poodle_init, 188 .init_irq = pxa_init_irq,
189 .timer = &pxa_timer,
190 .init_machine = poodle_init,
189MACHINE_END 191MACHINE_END
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 893964fb9659..9a791b07118d 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -126,6 +126,7 @@ int pxa_cpu_pm_prepare(suspend_state_t state)
126{ 126{
127 switch (state) { 127 switch (state) {
128 case PM_SUSPEND_MEM: 128 case PM_SUSPEND_MEM:
129 case PM_SUSPEND_STANDBY:
129 return 0; 130 return 0;
130 default: 131 default:
131 return -EINVAL; 132 return -EINVAL;
@@ -138,7 +139,10 @@ void pxa_cpu_pm_enter(suspend_state_t state)
138 extern void pxa_cpu_suspend(unsigned int); 139 extern void pxa_cpu_suspend(unsigned int);
139 extern void pxa_cpu_resume(void); 140 extern void pxa_cpu_resume(void);
140 141
141 CKEN = CKEN22_MEMC | CKEN9_OSTIMER; 142 if (state == PM_SUSPEND_STANDBY)
143 CKEN = CKEN22_MEMC | CKEN9_OSTIMER | CKEN16_LCD |CKEN0_PWM0;
144 else
145 CKEN = CKEN22_MEMC | CKEN9_OSTIMER;
142 146
143 /* ensure voltage-change sequencer not initiated, which hangs */ 147 /* ensure voltage-change sequencer not initiated, which hangs */
144 PCFR &= ~PCFR_FVC; 148 PCFR &= ~PCFR_FVC;
@@ -147,6 +151,9 @@ void pxa_cpu_pm_enter(suspend_state_t state)
147 PEDR = 0xDF12FE1B; 151 PEDR = 0xDF12FE1B;
148 152
149 switch (state) { 153 switch (state) {
154 case PM_SUSPEND_STANDBY:
155 pxa_cpu_standby();
156 break;
150 case PM_SUSPEND_MEM: 157 case PM_SUSPEND_MEM:
151 /* set resume return address */ 158 /* set resume return address */
152 PSPR = virt_to_phys(pxa_cpu_resume); 159 PSPR = virt_to_phys(pxa_cpu_resume);
diff --git a/arch/arm/mach-pxa/standby.S b/arch/arm/mach-pxa/standby.S
new file mode 100644
index 000000000000..8a3f27b76784
--- /dev/null
+++ b/arch/arm/mach-pxa/standby.S
@@ -0,0 +1,32 @@
1/*
2 * PXA27x standby mode
3 *
4 * Author: David Burrage
5 *
6 * 2005 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 */
11
12#include <linux/config.h>
13#include <linux/linkage.h>
14#include <asm/assembler.h>
15#include <asm/hardware.h>
16
17#include <asm/arch/pxa-regs.h>
18
19 .text
20
21ENTRY(pxa_cpu_standby)
22 ldr r0, =PSSR
23 mov r1, #(PSSR_PH | PSSR_STS)
24 mov r2, #2
25 mov r3, #UNCACHED_PHYS_0 @ Read mem context in.
26 ldr ip, [r3]
27 b 1f
28
29 .align 5
301: mcr p14, 0, r2, c7, c0, 0 @ put the system into Standby
31 str r1, [r0] @ make sure PSSR_PH/STS are clear
32 mov pc, lr
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-28 08:27:44 -0500