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DMAENGINE: ste_dma40: arch updates for LCLA and LCPA

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This follows on the patch to allocate LCLA dynamically: the
on-chip memory is needed for other things so now that that
we're using it dynamically we can remove the LCLA resource
altogether and free up some ESRAM memory.

Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Jonas Aaberg 2010-06-20 21:26:14 +00:00 committed by Dan Williams
parent 508849ade2
commit 5aa12e8c9c
2 changed files with 9 additions and 15 deletions
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19
arch/arm/mach-ux500/devices-db8500.c
View File

@ -113,26 +113,21 @@ struct platform_device u8500_i2c4_device = {
static struct resource dma40_resources[] = {
[0] = {
.start = U8500_DMA_BASE,
.end = U8500_DMA_BASE + SZ_4K - 1,
.end = U8500_DMA_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
.name = "base",
.name = "base",
},
[1] = {
.start = U8500_DMA_LCPA_BASE,
.end = U8500_DMA_LCPA_BASE + SZ_4K - 1,
.end = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1,
.flags = IORESOURCE_MEM,
.name = "lcpa",
.name = "lcpa",
},
[2] = {
.start = U8500_DMA_LCLA_BASE,
.end = U8500_DMA_LCLA_BASE + 16 * 1024 - 1,
.flags = IORESOURCE_MEM,
.name = "lcla",
},
[3] = {
.start = IRQ_DMA,
.end = IRQ_DMA,
.flags = IORESOURCE_IRQ}
.end = IRQ_DMA,
.flags = IORESOURCE_IRQ,
}
};
/* Default configuration for physcial memcpy */

5
arch/arm/mach-ux500/include/mach/db8500-regs.h
View File

@ -15,9 +15,8 @@
#define U8500_ESRAM_BANK2 (U8500_ESRAM_BANK1 + U8500_ESRAM_BANK_SIZE)
#define U8500_ESRAM_BANK3 (U8500_ESRAM_BANK2 + U8500_ESRAM_BANK_SIZE)
#define U8500_ESRAM_BANK4 (U8500_ESRAM_BANK3 + U8500_ESRAM_BANK_SIZE)
/* Use bank 4 for DMA LCLA and LCPA */
#define U8500_DMA_LCLA_BASE U8500_ESRAM_BANK4
#define U8500_DMA_LCPA_BASE (U8500_ESRAM_BANK4 + 0x4000)
/* Use bank 4 for DMA LCPA */
#define U8500_DMA_LCPA_BASE U8500_ESRAM_BANK4
#define U8500_PER3_BASE 0x80000000
#define U8500_STM_BASE 0x80100000