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authorGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 12:44:56 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-28 12:44:56 -0400
commite4c5bf8e3dca827a1b3a6fac494eae8c74b7e1e7 (patch)
treeea51b391f7d74ca695dcb9f5e46eb02688a92ed9 /arch/arm/plat-omap
parent81280572ca6f54009edfa4deee563e8678784218 (diff)
parenta4ac0d847af9dd34d5953a5e264400326144b6b2 (diff)
Merge 'staging-next' to Linus's tree
This merges the staging-next tree to Linus's tree and resolves some conflicts that were present due to changes in other trees that were affected by files here. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/common.c2
-rw-r--r--arch/arm/plat-omap/devices.c70
-rw-r--r--arch/arm/plat-omap/include/plat/dsp.h31
3 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index 221a675ebbae..f04731820301 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -19,6 +19,7 @@
19#include <plat/common.h> 19#include <plat/common.h>
20#include <plat/board.h> 20#include <plat/board.h>
21#include <plat/vram.h> 21#include <plat/vram.h>
22#include <plat/dsp.h>
22 23
23 24
24#define NO_LENGTH_CHECK 0xffffffff 25#define NO_LENGTH_CHECK 0xffffffff
@@ -64,4 +65,5 @@ void __init omap_reserve(void)
64{ 65{
65 omapfb_reserve_sdram_memblock(); 66 omapfb_reserve_sdram_memblock();
66 omap_vram_reserve_sdram_memblock(); 67 omap_vram_reserve_sdram_memblock();
68 omap_dsp_reserve_sdram_memblock();
67} 69}
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index 1e2383eae638..6f42a18b8aa4 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -15,6 +15,7 @@
15#include <linux/platform_device.h> 15#include <linux/platform_device.h>
16#include <linux/io.h> 16#include <linux/io.h>
17#include <linux/slab.h> 17#include <linux/slab.h>
18#include <linux/memblock.h>
18 19
19#include <mach/hardware.h> 20#include <mach/hardware.h>
20#include <asm/mach-types.h> 21#include <asm/mach-types.h>
@@ -231,6 +232,75 @@ static void omap_init_uwire(void)
231static inline void omap_init_uwire(void) {} 232static inline void omap_init_uwire(void) {}
232#endif 233#endif
233 234
235/*-------------------------------------------------------------------------*/
236
237#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
238
239static struct resource wdt_resources[] = {
240 {
241 .flags = IORESOURCE_MEM,
242 },
243};
244
245static struct platform_device omap_wdt_device = {
246 .name = "omap_wdt",
247 .id = -1,
248 .num_resources = ARRAY_SIZE(wdt_resources),
249 .resource = wdt_resources,
250};
251
252static void omap_init_wdt(void)
253{
254 if (cpu_is_omap16xx())
255 wdt_resources[0].start = 0xfffeb000;
256 else if (cpu_is_omap2420())
257 wdt_resources[0].start = 0x48022000; /* WDT2 */
258 else if (cpu_is_omap2430())
259 wdt_resources[0].start = 0x49016000; /* WDT2 */
260 else if (cpu_is_omap343x())
261 wdt_resources[0].start = 0x48314000; /* WDT2 */
262 else if (cpu_is_omap44xx())
263 wdt_resources[0].start = 0x4a314000;
264 else
265 return;
266
267 wdt_resources[0].end = wdt_resources[0].start + 0x4f;
268
269 (void) platform_device_register(&omap_wdt_device);
270}
271#else
272static inline void omap_init_wdt(void) {}
273#endif
274
275#if defined(CONFIG_TIDSPBRIDGE) || defined(CONFIG_TIDSPBRIDGE_MODULE)
276
277static phys_addr_t omap_dsp_phys_mempool_base;
278
279void __init omap_dsp_reserve_sdram_memblock(void)
280{
281 phys_addr_t size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE;
282 phys_addr_t paddr;
283
284 if (!size)
285 return;
286
287 paddr = __memblock_alloc_base(size, SZ_1M, MEMBLOCK_REAL_LIMIT);
288 if (!paddr) {
289 pr_err("%s: failed to reserve %x bytes\n",
290 __func__, size);
291 return;
292 }
293
294 omap_dsp_phys_mempool_base = paddr;
295}
296
297phys_addr_t omap_dsp_get_mempool_base(void)
298{
299 return omap_dsp_phys_mempool_base;
300}
301EXPORT_SYMBOL(omap_dsp_get_mempool_base);
302#endif
303
234/* 304/*
235 * This gets called after board-specific INIT_MACHINE, and initializes most 305 * This gets called after board-specific INIT_MACHINE, and initializes most
236 * on-chip peripherals accessible on this board (except for few like USB): 306 * on-chip peripherals accessible on this board (except for few like USB):
diff --git a/arch/arm/plat-omap/include/plat/dsp.h b/arch/arm/plat-omap/include/plat/dsp.h
new file mode 100644
index 000000000000..9c604b390f9f
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/dsp.h
@@ -0,0 +1,31 @@
1#ifndef __OMAP_DSP_H__
2#define __OMAP_DSP_H__
3
4#include <linux/types.h>
5
6struct omap_dsp_platform_data {
7 void (*dsp_set_min_opp) (u8 opp_id);
8 u8 (*dsp_get_opp) (void);
9 void (*cpu_set_freq) (unsigned long f);
10 unsigned long (*cpu_get_freq) (void);
11 unsigned long mpu_speed[6];
12
13 /* functions to write and read PRCM registers */
14 void (*dsp_prm_write)(u32, s16 , u16);
15 u32 (*dsp_prm_read)(s16 , u16);
16 u32 (*dsp_prm_rmw_bits)(u32, u32, s16, s16);
17 void (*dsp_cm_write)(u32, s16 , u16);
18 u32 (*dsp_cm_read)(s16 , u16);
19 u32 (*dsp_cm_rmw_bits)(u32, u32, s16, s16);
20
21 phys_addr_t phys_mempool_base;
22 phys_addr_t phys_mempool_size;
23};
24
25#if defined(CONFIG_TIDSPBRIDGE) || defined(CONFIG_TIDSPBRIDGE_MODULE)
26extern void omap_dsp_reserve_sdram_memblock(void);
27#else
28static inline void omap_dsp_reserve_sdram_memblock(void) { }
29#endif
30
31#endif