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path: root/drivers/video/omap2/vram.c
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Diffstat (limited to 'drivers/video/omap2/vram.c')
-rw-r--r--drivers/video/omap2/vram.c99
1 files changed, 5 insertions, 94 deletions
diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c
index 9441e2eb3dee..87e421e25afe 100644
--- a/drivers/video/omap2/vram.c
+++ b/drivers/video/omap2/vram.c
@@ -33,7 +33,6 @@
#include <asm/setup.h>
-#include <plat/sram.h>
#include <plat/vram.h>
#include <plat/dma.h>
@@ -43,10 +42,6 @@
#define DBG(format, ...)
#endif
-#define OMAP2_SRAM_START 0x40200000
-/* Maximum size, in reality this is smaller if SRAM is partially locked. */
-#define OMAP2_SRAM_SIZE 0xa0000 /* 640k */
-
/* postponed regions are used to temporarily store region information at boot
* time when we cannot yet allocate the region list */
#define MAX_POSTPONED_REGIONS 10
@@ -74,15 +69,6 @@ struct vram_region {
static DEFINE_MUTEX(region_mutex);
static LIST_HEAD(region_list);
-static inline int region_mem_type(unsigned long paddr)
-{
- if (paddr >= OMAP2_SRAM_START &&
- paddr < OMAP2_SRAM_START + OMAP2_SRAM_SIZE)
- return OMAP_VRAM_MEMTYPE_SRAM;
- else
- return OMAP_VRAM_MEMTYPE_SDRAM;
-}
-
static struct vram_region *omap_vram_create_region(unsigned long paddr,
unsigned pages)
{
@@ -212,9 +198,6 @@ static int _omap_vram_reserve(unsigned long paddr, unsigned pages)
DBG("checking region %lx %d\n", rm->paddr, rm->pages);
- if (region_mem_type(rm->paddr) != region_mem_type(paddr))
- continue;
-
start = rm->paddr;
end = start + (rm->pages << PAGE_SHIFT) - 1;
if (start > paddr || end < paddr + size - 1)
@@ -320,7 +303,7 @@ err:
return r;
}
-static int _omap_vram_alloc(int mtype, unsigned pages, unsigned long *paddr)
+static int _omap_vram_alloc(unsigned pages, unsigned long *paddr)
{
struct vram_region *rm;
struct vram_alloc *alloc;
@@ -330,9 +313,6 @@ static int _omap_vram_alloc(int mtype, unsigned pages, unsigned long *paddr)
DBG("checking region %lx %d\n", rm->paddr, rm->pages);
- if (region_mem_type(rm->paddr) != mtype)
- continue;
-
start = rm->paddr;
list_for_each_entry(alloc, &rm->alloc_list, list) {
@@ -365,21 +345,21 @@ found:
return -ENOMEM;
}
-int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr)
+int omap_vram_alloc(size_t size, unsigned long *paddr)
{
unsigned pages;
int r;
- BUG_ON(mtype > OMAP_VRAM_MEMTYPE_MAX || !size);
+ BUG_ON(!size);
- DBG("alloc mem type %d size %d\n", mtype, size);
+ DBG("alloc mem size %d\n", size);
size = PAGE_ALIGN(size);
pages = size >> PAGE_SHIFT;
mutex_lock(&region_mutex);
- r = _omap_vram_alloc(mtype, pages, paddr);
+ r = _omap_vram_alloc(pages, paddr);
mutex_unlock(&region_mutex);
@@ -501,10 +481,6 @@ arch_initcall(omap_vram_init);
/* boottime vram alloc stuff */
/* set from board file */
-static u32 omap_vram_sram_start __initdata;
-static u32 omap_vram_sram_size __initdata;
-
-/* set from board file */
static u32 omap_vram_sdram_start __initdata;
static u32 omap_vram_sdram_size __initdata;
@@ -587,73 +563,8 @@ void __init omap_vram_reserve_sdram_memblock(void)
pr_info("Reserving %u bytes SDRAM for VRAM\n", size);
}
-/*
- * Called at sram init time, before anything is pushed to the SRAM stack.
- * Because of the stack scheme, we will allocate everything from the
- * start of the lowest address region to the end of SRAM. This will also
- * include padding for page alignment and possible holes between regions.
- *
- * As opposed to the SDRAM case, we'll also do any dynamic allocations at
- * this point, since the driver built as a module would have problem with
- * freeing / reallocating the regions.
- */
-unsigned long __init omap_vram_reserve_sram(unsigned long sram_pstart,
- unsigned long sram_vstart,
- unsigned long sram_size,
- unsigned long pstart_avail,
- unsigned long size_avail)
-{
- unsigned long pend_avail;
- unsigned long reserved;
- u32 paddr;
- u32 size;
-
- paddr = omap_vram_sram_start;
- size = omap_vram_sram_size;
-
- if (!size)
- return 0;
-
- reserved = 0;
- pend_avail = pstart_avail + size_avail;
-
- if (!paddr) {
- /* Dynamic allocation */
- if ((size_avail & PAGE_MASK) < size) {
- pr_err("Not enough SRAM for VRAM\n");
- return 0;
- }
- size_avail = (size_avail - size) & PAGE_MASK;
- paddr = pstart_avail + size_avail;
- }
-
- if (paddr < sram_pstart ||
- paddr + size > sram_pstart + sram_size) {
- pr_err("Illegal SRAM region for VRAM\n");
- return 0;
- }
-
- /* Reserve everything above the start of the region. */
- if (pend_avail - paddr > reserved)
- reserved = pend_avail - paddr;
- size_avail = pend_avail - reserved - pstart_avail;
-
- omap_vram_add_region(paddr, size);
-
- if (reserved)
- pr_info("Reserving %lu bytes SRAM for VRAM\n", reserved);
-
- return reserved;
-}
-
void __init omap_vram_set_sdram_vram(u32 size, u32 start)
{
omap_vram_sdram_start = start;
omap_vram_sdram_size = size;
}
-
-void __init omap_vram_set_sram_vram(u32 size, u32 start)
-{
- omap_vram_sram_start = start;
- omap_vram_sram_size = size;
-}