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authorJonas Aaberg <jonas.aberg@stericsson.com>2010-06-20 21:26:14 +0000
committerDan Williams <dan.j.williams@intel.com>2010-06-22 18:01:55 -0700
commit5aa12e8c9c57741606e52f43e62ab1b9dc8e9dcc (patch)
tree6bb2c6b9c68915e9ce8e4a56a9a0d8446b47215c /arch/arm/mach-ux500
parent508849ade23c1167bfbdf557259398adfe7044b9 (diff)
DMAENGINE: ste_dma40: arch updates for LCLA and LCPA
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>
Diffstat (limited to 'arch/arm/mach-ux500')
-rw-r--r--arch/arm/mach-ux500/devices-db8500.c19
-rw-r--r--arch/arm/mach-ux500/include/mach/db8500-regs.h5
2 files changed, 9 insertions, 15 deletions
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index 822903421943..638964e614e9 100644
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -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 */
diff --git a/arch/arm/mach-ux500/include/mach/db8500-regs.h b/arch/arm/mach-ux500/include/mach/db8500-regs.h
index 85fc6a80b386..897fa35078ef 100644
--- a/arch/arm/mach-ux500/include/mach/db8500-regs.h
+++ b/arch/arm/mach-ux500/include/mach/db8500-regs.h
@@ -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