SPEAr: Add PL080 DMA support for 3xx and 6xx

[linux-2.6-microblaze.git] / arch / arm / mach-spear3xx / spear300.c

diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c
index c876c6a..f46fc26 100644 (file)
--- a/arch/arm/mach-spear3xx/spear300.c
+++ b/arch/arm/mach-spear3xx/spear300.c
@@ -13,6 +13,7 @@
 
 #define pr_fmt(fmt) "SPEAr300: " fmt
 
+#include <linux/amba/pl08x.h>
 #include <linux/of_platform.h>
 #include <asm/hardware/vic.h>
 #include <asm/mach/arch.h>
@@ -440,10 +441,199 @@ static struct pmx_dev *spear300_evb_pmx_devs[] = {
        &spear300_pmx_gpio1,
 };
 
+/* DMAC platform data's slave info */
+struct pl08x_channel_data spear300_dma_info[] = {
+       {
+               .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 = "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,
+       },
+};
+
 /* Add SPEAr300 auxdata to pass platform data */
 static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = {
        OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL,
                        &pl022_plat_data),
+       OF_DEV_AUXDATA("arm,pl080", SPEAR3XX_ICM3_DMA_BASE, NULL,
+                       &pl080_plat_data),
        {}
 };
 
@@ -451,6 +641,9 @@ static void __init spear300_dt_init(void)
 {
        int ret = -EINVAL;
 
+       pl080_plat_data.slave_channels = spear300_dma_info;
+       pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info);
+
        of_platform_populate(NULL, of_default_bus_match_table,
                        spear300_auxdata_lookup, NULL);