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-rw-r--r--arch/arm/mach-spear3xx/spear300.c26
-rw-r--r--arch/arm/mach-spear3xx/spear310.c26
-rw-r--r--arch/arm/mach-spear3xx/spear320.c26
-rw-r--r--arch/arm/mach-spear3xx/spear3xx.c3
-rw-r--r--arch/arm/mach-spear6xx/spear6xx.c51
-rw-r--r--arch/arm/plat-spear/include/plat/pl080.h6
-rw-r--r--arch/arm/plat-spear/pl080.c10
-rw-r--r--drivers/dma/Kconfig1
-rw-r--r--drivers/dma/amba-pl08x.c941
-rw-r--r--drivers/dma/sa11x0-dma.c153
-rw-r--r--include/linux/amba/pl08x.h156
11 files changed, 614 insertions, 785 deletions
diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
index 0f882ecb7d8..6ec30054996 100644
--- a/arch/arm/mach-spear3xx/spear300.c
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -120,182 +120,156 @@ struct pl08x_channel_data spear300_dma_info[] = {
.min_signal = 2,
.max_signal = 2,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart0_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp0_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp0_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "i2c_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "i2c_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "irda",
.min_signal = 12,
.max_signal = 12,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "adc",
.min_signal = 13,
.max_signal = 13,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "to_jpeg",
.min_signal = 14,
.max_signal = 14,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "from_jpeg",
.min_signal = 15,
.max_signal = 15,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras0_rx",
.min_signal = 0,
.max_signal = 0,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras0_tx",
.min_signal = 1,
.max_signal = 1,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras1_rx",
.min_signal = 2,
.max_signal = 2,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras1_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras2_rx",
.min_signal = 4,
.max_signal = 4,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras2_tx",
.min_signal = 5,
.max_signal = 5,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras3_rx",
.min_signal = 6,
.max_signal = 6,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras3_tx",
.min_signal = 7,
.max_signal = 7,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras4_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras4_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras5_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras5_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras6_rx",
.min_signal = 12,
.max_signal = 12,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras6_tx",
.min_signal = 13,
.max_signal = 13,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras7_rx",
.min_signal = 14,
.max_signal = 14,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras7_tx",
.min_signal = 15,
.max_signal = 15,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
},
};
diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c
index bbcf4571d36..1d0e435b904 100644
--- a/arch/arm/mach-spear3xx/spear310.c
+++ b/arch/arm/mach-spear3xx/spear310.c
@@ -205,182 +205,156 @@ struct pl08x_channel_data spear310_dma_info[] = {
.min_signal = 2,
.max_signal = 2,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart0_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp0_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp0_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "i2c_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "i2c_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "irda",
.min_signal = 12,
.max_signal = 12,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "adc",
.min_signal = 13,
.max_signal = 13,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "to_jpeg",
.min_signal = 14,
.max_signal = 14,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "from_jpeg",
.min_signal = 15,
.max_signal = 15,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart1_rx",
.min_signal = 0,
.max_signal = 0,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart1_tx",
.min_signal = 1,
.max_signal = 1,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart2_rx",
.min_signal = 2,
.max_signal = 2,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart2_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart3_rx",
.min_signal = 4,
.max_signal = 4,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart3_tx",
.min_signal = 5,
.max_signal = 5,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart4_rx",
.min_signal = 6,
.max_signal = 6,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart4_tx",
.min_signal = 7,
.max_signal = 7,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart5_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart5_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras5_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras5_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras6_rx",
.min_signal = 12,
.max_signal = 12,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras6_tx",
.min_signal = 13,
.max_signal = 13,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras7_rx",
.min_signal = 14,
.max_signal = 14,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras7_tx",
.min_signal = 15,
.max_signal = 15,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
},
};
diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c
index 88d483bcd66..fd823c62457 100644
--- a/arch/arm/mach-spear3xx/spear320.c
+++ b/arch/arm/mach-spear3xx/spear320.c
@@ -213,182 +213,156 @@ struct pl08x_channel_data spear320_dma_info[] = {
.min_signal = 2,
.max_signal = 2,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart0_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp0_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp0_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "i2c0_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "i2c0_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "irda",
.min_signal = 12,
.max_signal = 12,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "adc",
.min_signal = 13,
.max_signal = 13,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "to_jpeg",
.min_signal = 14,
.max_signal = 14,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "from_jpeg",
.min_signal = 15,
.max_signal = 15,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp1_rx",
.min_signal = 0,
.max_signal = 0,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ssp1_tx",
.min_signal = 1,
.max_signal = 1,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ssp2_rx",
.min_signal = 2,
.max_signal = 2,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ssp2_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "uart1_rx",
.min_signal = 4,
.max_signal = 4,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "uart1_tx",
.min_signal = 5,
.max_signal = 5,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "uart2_rx",
.min_signal = 6,
.max_signal = 6,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "uart2_tx",
.min_signal = 7,
.max_signal = 7,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2c1_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2c1_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2c2_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2c2_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2s_rx",
.min_signal = 12,
.max_signal = 12,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "i2s_tx",
.min_signal = 13,
.max_signal = 13,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "rs485_rx",
.min_signal = 14,
.max_signal = 14,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "rs485_tx",
.min_signal = 15,
.max_signal = 15,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
},
};
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c
index 0f41bd1c47c..d6cd8403fe6 100644
--- a/arch/arm/mach-spear3xx/spear3xx.c
+++ b/arch/arm/mach-spear3xx/spear3xx.c
@@ -46,7 +46,8 @@ struct pl022_ssp_controller pl022_plat_data = {
struct pl08x_platform_data pl080_plat_data = {
.memcpy_channel = {
.bus_id = "memcpy",
- .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
+ .cctl_memcpy =
+ (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \
PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \
PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \
diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c
index 2e2e3596583..b59ae5369e7 100644
--- a/arch/arm/mach-spear6xx/spear6xx.c
+++ b/arch/arm/mach-spear6xx/spear6xx.c
@@ -36,336 +36,288 @@ static struct pl08x_channel_data spear600_dma_info[] = {
.min_signal = 0,
.max_signal = 0,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp1_tx",
.min_signal = 1,
.max_signal = 1,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart0_rx",
.min_signal = 2,
.max_signal = 2,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart0_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart1_rx",
.min_signal = 4,
.max_signal = 4,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "uart1_tx",
.min_signal = 5,
.max_signal = 5,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp2_rx",
.min_signal = 6,
.max_signal = 6,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ssp2_tx",
.min_signal = 7,
.max_signal = 7,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ssp0_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ssp0_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "i2c_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "i2c_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "irda",
.min_signal = 12,
.max_signal = 12,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "adc",
.min_signal = 13,
.max_signal = 13,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "to_jpeg",
.min_signal = 14,
.max_signal = 14,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "from_jpeg",
.min_signal = 15,
.max_signal = 15,
.muxval = 0,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras0_rx",
.min_signal = 0,
.max_signal = 0,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras0_tx",
.min_signal = 1,
.max_signal = 1,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras1_rx",
.min_signal = 2,
.max_signal = 2,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras1_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras2_rx",
.min_signal = 4,
.max_signal = 4,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras2_tx",
.min_signal = 5,
.max_signal = 5,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras3_rx",
.min_signal = 6,
.max_signal = 6,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras3_tx",
.min_signal = 7,
.max_signal = 7,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras4_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras4_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras5_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras5_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras6_rx",
.min_signal = 12,
.max_signal = 12,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras6_tx",
.min_signal = 13,
.max_signal = 13,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras7_rx",
.min_signal = 14,
.max_signal = 14,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ras7_tx",
.min_signal = 15,
.max_signal = 15,
.muxval = 1,
- .cctl = 0,
.periph_buses = PL08X_AHB1,
}, {
.bus_id = "ext0_rx",
.min_signal = 0,
.max_signal = 0,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext0_tx",
.min_signal = 1,
.max_signal = 1,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext1_rx",
.min_signal = 2,
.max_signal = 2,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext1_tx",
.min_signal = 3,
.max_signal = 3,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext2_rx",
.min_signal = 4,
.max_signal = 4,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext2_tx",
.min_signal = 5,
.max_signal = 5,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext3_rx",
.min_signal = 6,
.max_signal = 6,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext3_tx",
.min_signal = 7,
.max_signal = 7,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext4_rx",
.min_signal = 8,
.max_signal = 8,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext4_tx",
.min_signal = 9,
.max_signal = 9,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext5_rx",
.min_signal = 10,
.max_signal = 10,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext5_tx",
.min_signal = 11,
.max_signal = 11,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext6_rx",
.min_signal = 12,
.max_signal = 12,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext6_tx",
.min_signal = 13,
.max_signal = 13,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext7_rx",
.min_signal = 14,
.max_signal = 14,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
}, {
.bus_id = "ext7_tx",
.min_signal = 15,
.max_signal = 15,
.muxval = 2,
- .cctl = 0,
.periph_buses = PL08X_AHB2,
},
};
@@ -373,7 +325,8 @@ static struct pl08x_channel_data spear600_dma_info[] = {
struct pl08x_platform_data pl080_plat_data = {
.memcpy_channel = {
.bus_id = "memcpy",
- .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
+ .cctl_memcpy =
+ (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \
PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \
PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \
PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \
diff --git a/arch/arm/plat-spear/include/plat/pl080.h b/arch/arm/plat-spear/include/plat/pl080.h
index 2bc6b54460a..eb6590ded40 100644
--- a/arch/arm/plat-spear/include/plat/pl080.h
+++ b/arch/arm/plat-spear/include/plat/pl080.h
@@ -14,8 +14,8 @@
#ifndef __PLAT_PL080_H
#define __PLAT_PL080_H
-struct pl08x_dma_chan;
-int pl080_get_signal(struct pl08x_dma_chan *ch);
-void pl080_put_signal(struct pl08x_dma_chan *ch);
+struct pl08x_channel_data;
+int pl080_get_signal(const struct pl08x_channel_data *cd);
+void pl080_put_signal(const struct pl08x_channel_data *cd, int signal);
#endif /* __PLAT_PL080_H */
diff --git a/arch/arm/plat-spear/pl080.c b/arch/arm/plat-spear/pl080.c
index 12cf27f935f..cfa1199d0f4 100644
--- a/arch/arm/plat-spear/pl080.c
+++ b/arch/arm/plat-spear/pl080.c
@@ -27,9 +27,8 @@ struct {
unsigned char val;
} signals[16] = {{0, 0}, };
-int pl080_get_signal(struct pl08x_dma_chan *ch)
+int pl080_get_signal(const struct pl08x_channel_data *cd)
{
- const struct pl08x_channel_data *cd = ch->cd;
unsigned int signal = cd->min_signal, val;
unsigned long flags;
@@ -63,18 +62,17 @@ int pl080_get_signal(struct pl08x_dma_chan *ch)
return signal;
}
-void pl080_put_signal(struct pl08x_dma_chan *ch)
+void pl080_put_signal(const struct pl08x_channel_data *cd, int signal)
{
- const struct pl08x_channel_data *cd = ch->cd;
unsigned long flags;
spin_lock_irqsave(&lock, flags);
/* if signal is not used */
- if (!signals[cd->min_signal].busy)
+ if (!signals[signal].busy)
BUG();
- signals[cd->min_signal].busy--;
+ signals[signal].busy--;
spin_unlock_irqrestore(&lock, flags);
}
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 8be3bf68c0b..6f93365d9d0 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -53,6 +53,7 @@ config AMBA_PL08X
bool "ARM PrimeCell PL080 or PL081 support"
depends on ARM_AMBA && EXPERIMENTAL
select DMA_ENGINE
+ select DMA_VIRTUAL_CHANNELS
help
Platform has a PL08x DMAC device
which can provide DMA engine support
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 49ecbbb8932..6fbeebb9486 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -86,10 +86,12 @@
#include <asm/hardware/pl080.h>
#include "dmaengine.h"
+#include "virt-dma.h"
#define DRIVER_NAME "pl08xdmac"
static struct amba_driver pl08x_amba_driver;
+struct pl08x_driver_data;
/**
* struct vendor_data - vendor-specific config parameters for PL08x derivatives
@@ -119,6 +121,123 @@ struct pl08x_lli {
};
/**
+ * struct pl08x_bus_data - information of source or destination
+ * busses for a transfer
+ * @addr: current address
+ * @maxwidth: the maximum width of a transfer on this bus
+ * @buswidth: the width of this bus in bytes: 1, 2 or 4
+ */
+struct pl08x_bus_data {
+ dma_addr_t addr;
+ u8 maxwidth;
+ u8 buswidth;
+};
+
+/**
+ * struct pl08x_phy_chan - holder for the physical channels
+ * @id: physical index to this channel
+ * @lock: a lock to use when altering an instance of this struct
+ * @serving: the virtual channel currently being served by this physical
+ * channel
+ * @locked: channel unavailable for the system, e.g. dedicated to secure
+ * world
+ */
+struct pl08x_phy_chan {
+ unsigned int id;
+ void __iomem *base;
+ spinlock_t lock;
+ struct pl08x_dma_chan *serving;
+ bool locked;
+};
+
+/**
+ * struct pl08x_sg - structure containing data per sg
+ * @src_addr: src address of sg
+ * @dst_addr: dst address of sg
+ * @len: transfer len in bytes
+ * @node: node for txd's dsg_list
+ */
+struct pl08x_sg {
+ dma_addr_t src_addr;
+ dma_addr_t dst_addr;
+ size_t len;
+ struct list_head node;
+};
+
+/**
+ * struct pl08x_txd - wrapper for struct dma_async_tx_descriptor
+ * @vd: virtual DMA descriptor
+ * @dsg_list: list of children sg's
+ * @llis_bus: DMA memory address (physical) start for the LLIs
+ * @llis_va: virtual memory address start for the LLIs
+ * @cctl: control reg values for current txd
+ * @ccfg: config reg values for current txd
+ * @done: this marks completed descriptors, which should not have their
+ * mux released.
+ */
+struct pl08x_txd {
+ struct virt_dma_desc vd;
+ struct list_head dsg_list;
+ dma_addr_t llis_bus;
+ struct pl08x_lli *llis_va;
+ /* Default cctl value for LLIs */
+ u32 cctl;
+ /*
+ * Settings to be put into the physical channel when we
+ * trigger this txd. Other registers are in llis_va[0].
+ */
+ u32 ccfg;
+ bool done;
+};
+
+/**
+ * struct pl08x_dma_chan_state - holds the PL08x specific virtual channel
+ * states
+ * @PL08X_CHAN_IDLE: the channel is idle
+ * @PL08X_CHAN_RUNNING: the channel has allocated a physical transport
+ * channel and is running a transfer on it
+ * @PL08X_CHAN_PAUSED: the channel has allocated a physical transport
+ * channel, but the transfer is currently paused
+ * @PL08X_CHAN_WAITING: the channel is waiting for a physical transport
+ * channel to become available (only pertains to memcpy channels)
+ */
+enum pl08x_dma_chan_state {
+ PL08X_CHAN_IDLE,
+ PL08X_CHAN_RUNNING,
+ PL08X_CHAN_PAUSED,
+ PL08X_CHAN_WAITING,
+};
+
+/**
+ * struct pl08x_dma_chan - this structure wraps a DMA ENGINE channel
+ * @vc: wrappped virtual channel
+ * @phychan: the physical channel utilized by this channel, if there is one
+ * @name: name of channel
+ * @cd: channel platform data
+ * @runtime_addr: address for RX/TX according to the runtime config
+ * @at: active transaction on this channel
+ * @lock: a lock for this channel data
+ * @host: a pointer to the host (internal use)
+ * @state: whether the channel is idle, paused, running etc
+ * @slave: whether this channel is a device (slave) or for memcpy
+ * @signal: the physical DMA request signal which this channel is using
+ * @mux_use: count of descriptors using this DMA request signal setting
+ */
+struct pl08x_dma_chan {
+ struct virt_dma_chan vc;
+ struct pl08x_phy_chan *phychan;
+ const char *name;
+ const struct pl08x_channel_data *cd;
+ struct dma_slave_config cfg;
+ struct pl08x_txd *at;
+ struct pl08x_driver_data *host;
+ enum pl08x_dma_chan_state state;
+ bool slave;
+ int signal;
+ unsigned mux_use;
+};
+
+/**
* struct pl08x_driver_data - the local state holder for the PL08x
* @slave: slave engine for this instance
* @memcpy: memcpy engine for this instance
@@ -128,7 +247,6 @@ struct pl08x_lli {
* @pd: platform data passed in from the platform/machine
* @phy_chans: array of data for the physical channels
* @pool: a pool for the LLI descriptors
- * @pool_ctr: counter of LLIs in the pool
* @lli_buses: bitmask to or in to LLI pointer selecting AHB port for LLI
* fetches
* @mem_buses: set to indicate memory transfers on AHB2.
@@ -143,10 +261,8 @@ struct pl08x_driver_data {
struct pl08x_platform_data *pd;
struct pl08x_phy_chan *phy_chans;
struct dma_pool *pool;
- int pool_ctr;
u8 lli_buses;
u8 mem_buses;
- spinlock_t lock;
};
/*
@@ -162,12 +278,51 @@ struct pl08x_driver_data {
static inline struct pl08x_dma_chan *to_pl08x_chan(struct dma_chan *chan)
{
- return container_of(chan, struct pl08x_dma_chan, chan);
+ return container_of(chan, struct pl08x_dma_chan, vc.chan);
}
static inline struct pl08x_txd *to_pl08x_txd(struct dma_async_tx_descriptor *tx)
{
- return container_of(tx, struct pl08x_txd, tx);
+ return container_of(tx, struct pl08x_txd, vd.tx);
+}
+
+/*
+ * Mux handling.
+ *
+ * This gives us the DMA request input to the PL08x primecell which the
+ * peripheral described by the channel data will be routed to, possibly
+ * via a board/SoC specific external MUX. One important point to note
+ * here is that this does not depend on the physical channel.
+ */
+static int pl08x_request_mux(struct pl08x_dma_chan *plchan)
+{
+ const struct pl08x_platform_data *pd = plchan->host->pd;
+ int ret;
+
+ if (plchan->mux_use++ == 0 && pd->get_signal) {
+ ret = pd->get_signal(plchan->cd);
+ if (ret < 0) {
+ plchan->mux_use = 0;
+ return ret;
+ }
+
+ plchan->signal = ret;
+ }
+ return 0;
+}
+
+static void pl08x_release_mux(struct pl08x_dma_chan *plchan)
+{
+ const struct pl08x_platform_data *pd = plchan->host->pd;
+
+ if (plchan->signal >= 0) {
+ WARN_ON(plchan->mux_use == 0);
+
+ if (--plchan->mux_use == 0 && pd->put_signal) {
+ pd->put_signal(plchan->cd, plchan->signal);
+ plchan->signal = -1;
+ }
+ }
}
/*
@@ -189,20 +344,25 @@ static int pl08x_phy_channel_busy(struct pl08x_phy_chan *ch)
* been set when the LLIs were constructed. Poke them into the hardware
* and start the transfer.
*/
-static void pl08x_start_txd(struct pl08x_dma_chan *plchan,
- struct pl08x_txd *txd)
+static void pl08x_start_next_txd(struct pl08x_dma_chan *plchan)
{
struct pl08x_driver_data *pl08x = plchan->host;
struct pl08x_phy_chan *phychan = plchan->phychan;
- struct pl08x_lli *lli = &txd->llis_va[0];
+ struct virt_dma_desc *vd = vchan_next_