This configuration data will be re-used, when DMAC DT support is added to sh73a0, DMAC platform data in setup-sh73a0.c will be removed.
Signed-off-by: Guennadi Liakhovetski <[email protected]> --- drivers/dma/sh/Kconfig | 4 + drivers/dma/sh/Makefile | 1 + drivers/dma/sh/shdma-sh73a0.c | 181 +++++++++++++++++++++++++++++++++++++++++ drivers/dma/sh/shdma.h | 7 ++ drivers/dma/sh/shdmac.c | 1 + 5 files changed, 194 insertions(+), 0 deletions(-) create mode 100644 drivers/dma/sh/shdma-sh73a0.c diff --git a/drivers/dma/sh/Kconfig b/drivers/dma/sh/Kconfig index 6921ba2..040d780 100644 --- a/drivers/dma/sh/Kconfig +++ b/drivers/dma/sh/Kconfig @@ -30,3 +30,7 @@ config SHDMA_R8A73A4 config SHDMA_R8A7740 def_bool y depends on ARCH_R8A7740 && SH_DMAE != n + +config SHDMA_SH73A0 + def_bool y + depends on ARCH_SH73A0 && SH_DMAE != n diff --git a/drivers/dma/sh/Makefile b/drivers/dma/sh/Makefile index e08489c..24c3149 100644 --- a/drivers/dma/sh/Makefile +++ b/drivers/dma/sh/Makefile @@ -3,5 +3,6 @@ obj-$(CONFIG_SH_DMAE) += shdma.o shdma-y := shdmac.o shdma-$(CONFIG_SHDMA_R8A7740) += shdma-r8a7740.o shdma-$(CONFIG_SHDMA_R8A73A4) += shdma-r8a73a4.o +shdma-$(CONFIG_SHDMA_SH73A0) += shdma-sh73a0.o shdma-objs := $(shdma-y) obj-$(CONFIG_SUDMAC) += sudmac.o diff --git a/drivers/dma/sh/shdma-sh73a0.c b/drivers/dma/sh/shdma-sh73a0.c new file mode 100644 index 0000000..efd80ea --- /dev/null +++ b/drivers/dma/sh/shdma-sh73a0.c @@ -0,0 +1,181 @@ +#include <linux/sh_dma.h> + +#include <mach/dma-register.h> +#include <mach/sh73a0.h> + +static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = { + { + .slave_id = SHDMA_SLAVE_SCIF0_TX, + .addr = 0xe6c40020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x21, + }, { + .slave_id = SHDMA_SLAVE_SCIF0_RX, + .addr = 0xe6c40024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x22, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_TX, + .addr = 0xe6c50020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x25, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_RX, + .addr = 0xe6c50024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x26, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_TX, + .addr = 0xe6c60020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x29, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_RX, + .addr = 0xe6c60024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x2a, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_TX, + .addr = 0xe6c70020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x2d, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_RX, + .addr = 0xe6c70024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x2e, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_TX, + .addr = 0xe6c80020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x39, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_RX, + .addr = 0xe6c80024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x3a, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_TX, + .addr = 0xe6cb0020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x35, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_RX, + .addr = 0xe6cb0024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x36, + }, { + .slave_id = SHDMA_SLAVE_SCIF6_TX, + .addr = 0xe6cc0020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x1d, + }, { + .slave_id = SHDMA_SLAVE_SCIF6_RX, + .addr = 0xe6cc0024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x1e, + }, { + .slave_id = SHDMA_SLAVE_SCIF7_TX, + .addr = 0xe6cd0020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x19, + }, { + .slave_id = SHDMA_SLAVE_SCIF7_RX, + .addr = 0xe6cd0024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x1a, + }, { + .slave_id = SHDMA_SLAVE_SCIF8_TX, + .addr = 0xe6c30040, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x3d, + }, { + .slave_id = SHDMA_SLAVE_SCIF8_RX, + .addr = 0xe6c30060, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x3e, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_TX, + .addr = 0xee100030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc1, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_RX, + .addr = 0xee100030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xc2, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_TX, + .addr = 0xee120030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc9, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_RX, + .addr = 0xee120030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xca, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_TX, + .addr = 0xee140030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xcd, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_RX, + .addr = 0xee140030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xce, + }, { + .slave_id = SHDMA_SLAVE_MMCIF_TX, + .addr = 0xe6bd0034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF_RX, + .addr = 0xe6bd0034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xd2, + }, +}; + +#define DMAE_CHANNEL(_offset) \ + { \ + .offset = _offset - 0x20, \ + .dmars = _offset - 0x20 + 0x40, \ + } + +static const struct sh_dmae_channel sh73a0_dmae_channels[] = { + DMAE_CHANNEL(0x8000), + DMAE_CHANNEL(0x8080), + DMAE_CHANNEL(0x8100), + DMAE_CHANNEL(0x8180), + DMAE_CHANNEL(0x8200), + DMAE_CHANNEL(0x8280), + DMAE_CHANNEL(0x8300), + DMAE_CHANNEL(0x8380), + DMAE_CHANNEL(0x8400), + DMAE_CHANNEL(0x8480), + DMAE_CHANNEL(0x8500), + DMAE_CHANNEL(0x8580), + DMAE_CHANNEL(0x8600), + DMAE_CHANNEL(0x8680), + DMAE_CHANNEL(0x8700), + DMAE_CHANNEL(0x8780), + DMAE_CHANNEL(0x8800), + DMAE_CHANNEL(0x8880), + DMAE_CHANNEL(0x8900), + DMAE_CHANNEL(0x8980), +}; + +struct sh_dmae_pdata sh73a0_dma_pdata = { + .slave = sh73a0_dmae_slaves, + .slave_num = ARRAY_SIZE(sh73a0_dmae_slaves), + .channel = sh73a0_dmae_channels, + .channel_num = ARRAY_SIZE(sh73a0_dmae_channels), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), + .dmaor_init = DMAOR_DME, +}; diff --git a/drivers/dma/sh/shdma.h b/drivers/dma/sh/shdma.h index ae0c65f..8394424 100644 --- a/drivers/dma/sh/shdma.h +++ b/drivers/dma/sh/shdma.h @@ -75,4 +75,11 @@ extern struct sh_dmae_pdata r8a7740_dma_pdata; #define r8a7740_shdma_devid NULL #endif +#ifdef CONFIG_SHDMA_SH73A0 +extern struct sh_dmae_pdata sh73a0_dma_pdata; +#define sh73a0_shdma_devid &sh73a0_dma_pdata +#else +#define sh73a0_shdma_devid NULL +#endif + #endif /* __DMA_SHDMA_H */ diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c index f80543c..ae89261 100644 --- a/drivers/dma/sh/shdmac.c +++ b/drivers/dma/sh/shdmac.c @@ -917,6 +917,7 @@ const struct platform_device_id sh_dmae_id_table[] = { {.name = SH_DMAE_DRV_NAME,}, {.name = "shdma-r8a73a4", .driver_data = (kernel_ulong_t)r8a73a4_shdma_devid,}, {.name = "shdma-r8a7740", .driver_data = (kernel_ulong_t)r8a7740_shdma_devid,}, + {.name = "shdma-sh73a0", .driver_data = (kernel_ulong_t)sh73a0_shdma_devid,}, {} }; MODULE_DEVICE_TABLE(platform, sh_dmae_id_table); 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