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authorFelipe Contreras <felipe.contreras@gmail.com>2010-10-04 12:09:14 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-05 15:05:11 -0400
commit90173882ed15a8034d6d162da5f343a2c7d87587 (patch)
treeca7a366d93b4d93aa5d43d6e0005b13efee49866 /arch/arm/plat-omap/devices.c
parent07dea29a110b610a82ab7ecfea99b617d51c4965 (diff)
omap: add dsp platform device
Otherwise tidspbridge cannot work. It looks like this was dropped in the conversion to staging. I took the liberty of doing some cleaning up. Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/arm/plat-omap/devices.c')
-rw-r--r--arch/arm/plat-omap/devices.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index d1920be7833b..4c8f9b96aa6c 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>
@@ -272,6 +273,35 @@ static void omap_init_wdt(void)
272static inline void omap_init_wdt(void) {} 273static inline void omap_init_wdt(void) {}
273#endif 274#endif
274 275
276#if defined(CONFIG_TIDSPBRIDGE) || defined(CONFIG_TIDSPBRIDGE_MODULE)
277
278static phys_addr_t omap_dsp_phys_mempool_base;
279
280void __init omap_dsp_reserve_sdram_memblock(void)
281{
282 phys_addr_t size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE;
283 phys_addr_t paddr;
284
285 if (!size)
286 return;
287
288 paddr = __memblock_alloc_base(size, SZ_1M, MEMBLOCK_REAL_LIMIT);
289 if (!paddr) {
290 pr_err("%s: failed to reserve %x bytes\n",
291 __func__, size);
292 return;
293 }
294
295 omap_dsp_phys_mempool_base = paddr;
296}
297
298phys_addr_t omap_dsp_get_mempool_base(void)
299{
300 return omap_dsp_phys_mempool_base;
301}
302EXPORT_SYMBOL(omap_dsp_get_mempool_base);
303#endif
304
275/* 305/*
276 * This gets called after board-specific INIT_MACHINE, and initializes most 306 * This gets called after board-specific INIT_MACHINE, and initializes most
277 * on-chip peripherals accessible on this board (except for few like USB): 307 * on-chip peripherals accessible on this board (except for few like USB):