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Code

ARM: EXYNOS: add support DMA for EXYNOS4X12 SoC

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Signed-off-by: Boojin Kim <boojin.kim@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Boojin Kim 2012-02-15 13:16:15 +09:00 committed by Kukjin Kim
parent 8f7b13218b
commit efd9960b0e
3 changed files with 98 additions and 8 deletions
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3
arch/arm/mach-exynos/Kconfig
View File

@ -41,6 +41,7 @@ config SOC_EXYNOS4212
bool "SAMSUNG EXYNOS4212"
default y
depends on ARCH_EXYNOS4
select SAMSUNG_DMADEV
select S5P_PM if PM
select S5P_SLEEP if PM
help
@ -50,6 +51,7 @@ config SOC_EXYNOS4412
bool "SAMSUNG EXYNOS4412"
default y
depends on ARCH_EXYNOS4
select SAMSUNG_DMADEV
help
Enable EXYNOS4412 SoC support
@ -333,6 +335,7 @@ config MACH_SMDK4212
select SAMSUNG_DEV_BACKLIGHT
select SAMSUNG_DEV_KEYPAD
select SAMSUNG_DEV_PWM
select EXYNOS4_DEV_DMA
select EXYNOS4_SETUP_I2C1
select EXYNOS4_SETUP_I2C3
select EXYNOS4_SETUP_I2C7

95
arch/arm/mach-exynos/dma.c
View File

@ -29,6 +29,7 @@
#include <asm/irq.h>
#include <plat/devs.h>
#include <plat/irqs.h>
#include <plat/cpu.h>
#include <mach/map.h>
#include <mach/irqs.h>
@ -36,7 +37,7 @@
static u64 dma_dmamask = DMA_BIT_MASK(32);
static u8 pdma0_peri[] = {
static u8 exynos4210_pdma0_peri[] = {
DMACH_PCM0_RX,
DMACH_PCM0_TX,
DMACH_PCM2_RX,
@ -69,15 +70,47 @@ static u8 pdma0_peri[] = {
DMACH_AC97_PCMOUT,
};
static struct dma_pl330_platdata exynos4_pdma0_pdata = {
.nr_valid_peri = ARRAY_SIZE(pdma0_peri),
.peri_id = pdma0_peri,
static u8 exynos4212_pdma0_peri[] = {
DMACH_PCM0_RX,
DMACH_PCM0_TX,
DMACH_PCM2_RX,
DMACH_PCM2_TX,
DMACH_MIPI_HSI0,
DMACH_MIPI_HSI1,
DMACH_SPI0_RX,
DMACH_SPI0_TX,
DMACH_SPI2_RX,
DMACH_SPI2_TX,
DMACH_I2S0S_TX,
DMACH_I2S0_RX,
DMACH_I2S0_TX,
DMACH_I2S2_RX,
DMACH_I2S2_TX,
DMACH_UART0_RX,
DMACH_UART0_TX,
DMACH_UART2_RX,
DMACH_UART2_TX,
DMACH_UART4_RX,
DMACH_UART4_TX,
DMACH_SLIMBUS0_RX,
DMACH_SLIMBUS0_TX,
DMACH_SLIMBUS2_RX,
DMACH_SLIMBUS2_TX,
DMACH_SLIMBUS4_RX,
DMACH_SLIMBUS4_TX,
DMACH_AC97_MICIN,
DMACH_AC97_PCMIN,
DMACH_AC97_PCMOUT,
DMACH_MIPI_HSI4,
DMACH_MIPI_HSI5,
};
struct dma_pl330_platdata exynos4_pdma0_pdata;
static AMBA_AHB_DEVICE(exynos4_pdma0, "dma-pl330.0", 0x00041330,
EXYNOS4_PA_PDMA0, {IRQ_PDMA0}, &exynos4_pdma0_pdata);
static u8 pdma1_peri[] = {
static u8 exynos4210_pdma1_peri[] = {
DMACH_PCM0_RX,
DMACH_PCM0_TX,
DMACH_PCM1_RX,
@ -105,11 +138,41 @@ static u8 pdma1_peri[] = {
DMACH_SLIMBUS5_TX,
};
static struct dma_pl330_platdata exynos4_pdma1_pdata = {
.nr_valid_peri = ARRAY_SIZE(pdma1_peri),
.peri_id = pdma1_peri,
static u8 exynos4212_pdma1_peri[] = {
DMACH_PCM0_RX,
DMACH_PCM0_TX,
DMACH_PCM1_RX,
DMACH_PCM1_TX,
DMACH_MIPI_HSI2,
DMACH_MIPI_HSI3,
DMACH_SPI1_RX,
DMACH_SPI1_TX,
DMACH_I2S0S_TX,
DMACH_I2S0_RX,
DMACH_I2S0_TX,
DMACH_I2S1_RX,
DMACH_I2S1_TX,
DMACH_UART0_RX,
DMACH_UART0_TX,
DMACH_UART1_RX,
DMACH_UART1_TX,
DMACH_UART3_RX,
DMACH_UART3_TX,
DMACH_SLIMBUS1_RX,
DMACH_SLIMBUS1_TX,
DMACH_SLIMBUS3_RX,
DMACH_SLIMBUS3_TX,
DMACH_SLIMBUS5_RX,
DMACH_SLIMBUS5_TX,
DMACH_SLIMBUS0AUX_RX,
DMACH_SLIMBUS0AUX_TX,
DMACH_SPDIF,
DMACH_MIPI_HSI6,
DMACH_MIPI_HSI7,
};
static struct dma_pl330_platdata exynos4_pdma1_pdata;
static AMBA_AHB_DEVICE(exynos4_pdma1, "dma-pl330.1", 0x00041330,
EXYNOS4_PA_PDMA1, {IRQ_PDMA1}, &exynos4_pdma1_pdata);
@ -137,6 +200,22 @@ static int __init exynos4_dma_init(void)
if (of_have_populated_dt())
return 0;
if (soc_is_exynos4210()) {
exynos4_pdma0_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4210_pdma0_peri);
exynos4_pdma0_pdata.peri_id = exynos4210_pdma0_peri;
exynos4_pdma1_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4210_pdma1_peri);
exynos4_pdma1_pdata.peri_id = exynos4210_pdma1_peri;
} else if (soc_is_exynos4212() || soc_is_exynos4412()) {
exynos4_pdma0_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4212_pdma0_peri);
exynos4_pdma0_pdata.peri_id = exynos4212_pdma0_peri;
exynos4_pdma1_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4212_pdma1_peri);
exynos4_pdma1_pdata.peri_id = exynos4212_pdma1_peri;
}
dma_cap_set(DMA_SLAVE, exynos4_pdma0_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, exynos4_pdma0_pdata.cap_mask);
amba_device_register(&exynos4_pdma0_device, &iomem_resource);

8
arch/arm/plat-samsung/include/plat/dma-pl330.h
View File

@ -82,6 +82,14 @@ enum dma_ch {
DMACH_SLIMBUS4_TX,
DMACH_SLIMBUS5_RX,
DMACH_SLIMBUS5_TX,
DMACH_MIPI_HSI0,
DMACH_MIPI_HSI1,
DMACH_MIPI_HSI2,
DMACH_MIPI_HSI3,
DMACH_MIPI_HSI4,
DMACH_MIPI_HSI5,
DMACH_MIPI_HSI6,
DMACH_MIPI_HSI7,
DMACH_MTOM_0,
DMACH_MTOM_1,
DMACH_MTOM_2,