summaryrefslogtreecommitdiffstats
path: root/arch/arm
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-09 21:00:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-09 21:00:07 -0700
commitdcded10f6dce10411b16134ce9cc87bfdf75c13f (patch)
treeda6d0face147072c9eadc8a01af4e49958769138 /arch/arm
parent9e0ba741aabdf129d561e62d207c75146adef5e8 (diff)
parentb0ebeb9c09cb5b84bb2f33927c84c7648845fcec (diff)
downloadblackbird-op-linux-dcded10f6dce10411b16134ce9cc87bfdf75c13f.tar.gz
blackbird-op-linux-dcded10f6dce10411b16134ce9cc87bfdf75c13f.zip
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (30 commits) DMAENGINE: at_hdmac: locking fixlet DMAENGINE: pch_dma: kill another usage of __raw_{read|write}l dma: dmatest: fix potential sign bug ioat2: catch and recover from broken vtd configurations v6 DMAENGINE: add runtime slave control to COH 901 318 v3 DMAENGINE: add runtime slave config to DMA40 v3 DMAENGINE: generic slave channel control v3 dmaengine: Driver for Topcliff PCH DMA controller intel_mid: Add Mrst & Mfld DMA Drivers drivers/dma: Eliminate a NULL pointer dereference dma/timb_dma: compile warning on 32 bit DMAENGINE: ste_dma40: support older silicon DMAENGINE: ste_dma40: support disabling physical channels DMAENGINE: ste_dma40: no disabled phy channels on ux500 DMAENGINE: ste_dma40: fix suspend bug DMAENGINE: ste_dma40: add DB8500 memcpy channels DMAENGINE: ste_dma40: no flow control on memcpy DMAENGINE: ste_dma40: arch updates for LCLA and LCPA DMAENGINE: ste_dma40: allocate LCLA dynamically DMAENGINE: ste_dma40: no premature stop ... Fix up trivial conflicts in arch/arm/mach-ux500/devices-db8500.c
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-ux500/devices-db8500.c28
-rw-r--r--arch/arm/mach-ux500/include/mach/db8500-regs.h6
-rw-r--r--arch/arm/mach-ux500/ste-dma40-db8500.h2
-rw-r--r--arch/arm/plat-nomadik/include/plat/ste_dma40.h4
4 files changed, 22 insertions, 18 deletions
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index 654fca944e65..9280d2561111 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_DB8500_DMA,
.end = IRQ_DB8500_DMA,
- .flags = IORESOURCE_IRQ}
+ .flags = IORESOURCE_IRQ,
+ }
};
/* Default configuration for physcial memcpy */
@@ -145,11 +140,12 @@ struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_PHY_1,
+ .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
.dst_info.psize = STEDMA40_PSIZE_PHY_1,
-
+ .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
};
/* Default configuration for logical memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_log = {
@@ -162,11 +158,12 @@ struct stedma40_chan_cfg dma40_memcpy_conf_log = {
.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_LOG_1,
+ .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
.dst_info.psize = STEDMA40_PSIZE_LOG_1,
-
+ .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
};
/*
@@ -180,10 +177,12 @@ static const dma_addr_t dma40_rx_map[STEDMA40_NR_DEV];
/* Reserved event lines for memcpy only */
static int dma40_memcpy_event[] = {
+ STEDMA40_MEMCPY_TX_0,
STEDMA40_MEMCPY_TX_1,
STEDMA40_MEMCPY_TX_2,
STEDMA40_MEMCPY_TX_3,
STEDMA40_MEMCPY_TX_4,
+ STEDMA40_MEMCPY_TX_5,
};
static struct stedma40_platform_data dma40_plat_data = {
@@ -195,6 +194,7 @@ static struct stedma40_platform_data dma40_plat_data = {
.memcpy_conf_phy = &dma40_memcpy_conf_phy,
.memcpy_conf_log = &dma40_memcpy_conf_log,
.llis_per_log = 8,
+ .disabled_channels = {-1},
};
struct platform_device u8500_dma40_device = {
@@ -213,4 +213,6 @@ void dma40_u8500ed_fixup(void)
dma40_plat_data.memcpy_len = 0;
dma40_resources[0].start = U8500_DMA_BASE_ED;
dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1;
+ dma40_resources[1].start = U8500_DMA_LCPA_BASE_ED;
+ dma40_resources[1].end = U8500_DMA_LCPA_BASE_ED + 2 * SZ_1K - 1;
}
diff --git a/arch/arm/mach-ux500/include/mach/db8500-regs.h b/arch/arm/mach-ux500/include/mach/db8500-regs.h
index 85fc6a80b386..f000218210c9 100644
--- a/arch/arm/mach-ux500/include/mach/db8500-regs.h
+++ b/arch/arm/mach-ux500/include/mach/db8500-regs.h
@@ -15,9 +15,9 @@
#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_DMA_LCPA_BASE_ED (U8500_ESRAM_BANK4 + 0x4000)
#define U8500_PER3_BASE 0x80000000
#define U8500_STM_BASE 0x80100000
diff --git a/arch/arm/mach-ux500/ste-dma40-db8500.h b/arch/arm/mach-ux500/ste-dma40-db8500.h
index e7016278dfa9..9d9d3797b3b0 100644
--- a/arch/arm/mach-ux500/ste-dma40-db8500.h
+++ b/arch/arm/mach-ux500/ste-dma40-db8500.h
@@ -136,7 +136,7 @@ enum dma_dest_dev_type {
STEDMA40_DEV_CAC1_TX = 48,
STEDMA40_DEV_CAC1_TX_HAC1_TX = 49,
STEDMA40_DEV_HAC1_TX = 50,
- STEDMA40_MEMXCPY_TX_0 = 51,
+ STEDMA40_MEMCPY_TX_0 = 51,
STEDMA40_DEV_SLIM1_CH0_TX_HSI_TX_CH4 = 52,
STEDMA40_DEV_SLIM1_CH1_TX_HSI_TX_CH5 = 53,
STEDMA40_DEV_SLIM1_CH2_TX_HSI_TX_CH6 = 54,
diff --git a/arch/arm/plat-nomadik/include/plat/ste_dma40.h b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
index 4d12ea4ca361..5fbde4b8dc12 100644
--- a/arch/arm/plat-nomadik/include/plat/ste_dma40.h
+++ b/arch/arm/plat-nomadik/include/plat/ste_dma40.h
@@ -148,7 +148,8 @@ struct stedma40_chan_cfg {
* @memcpy_conf_phy: default configuration of physical channel memcpy
* @memcpy_conf_log: default configuration of logical channel memcpy
* @llis_per_log: number of max linked list items per logical channel
- *
+ * @disabled_channels: A vector, ending with -1, that marks physical channels
+ * that are for different reasons not available for the driver.
*/
struct stedma40_platform_data {
u32 dev_len;
@@ -159,6 +160,7 @@ struct stedma40_platform_data {
struct stedma40_chan_cfg *memcpy_conf_phy;
struct stedma40_chan_cfg *memcpy_conf_log;
unsigned int llis_per_log;
+ int disabled_channels[8];
};
/**
OpenPOWER on IntegriCloud