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Date: Tue, 23 Jul 2013 12:50:01 +0200
From: Guennadi Liakhovetski <g.liakhovetski@....de>
To: linux-kernel@...r.kernel.org
Cc: Magnus Damm <magnus.damm@...il.com>,
Simon Horman <horms@...ge.net.au>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Vinod Koul <vinod.koul@...el.com>, linux-sh@...r.kernel.org,
Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
Guennadi Liakhovetski <g.liakhovetski+renesas@...il.com>
Subject: [PATCH v4 07/15] DMA: shdma: add sh73a0 DMAC data to the device ID table
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 <g.liakhovetski+renesas@...il.com>
---
v4: add documentation
Documentation/devicetree/bindings/dma/shdma.txt | 1 +
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 | 2 +
6 files changed, 196 insertions(+), 0 deletions(-)
create mode 100644 drivers/dma/sh/shdma-sh73a0.c
diff --git a/Documentation/devicetree/bindings/dma/shdma.txt b/Documentation/devicetree/bindings/dma/shdma.txt
index be0f82b..6b015d6 100644
--- a/Documentation/devicetree/bindings/dma/shdma.txt
+++ b/Documentation/devicetree/bindings/dma/shdma.txt
@@ -25,6 +25,7 @@ Required properties:
- compatible: should be one of
"renesas,shdma-r8a73a4" for the system DMAC on r8a73a4 SoC
"renesas,shdma-r8a7740" for the DMACs (not RTDMAC) on r8a7740
+ "renesas,shdma-sh73a0" for the DMACs on sh73a0
Example:
dmac: dma-mux0 {
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 8352bfb..4facc1f 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_R8A73A4) += shdma-r8a73a4.o
shdma-$(CONFIG_SHDMA_R8A7740) += shdma-r8a7740.o
+shdma-$(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..59b311e
--- /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),
+};
+
+const 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 const 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 aa90ea2..9ee3c28 100644
--- a/drivers/dma/sh/shdmac.c
+++ b/drivers/dma/sh/shdmac.c
@@ -668,6 +668,7 @@ static const struct shdma_ops sh_dmae_shdma_ops = {
static const struct of_device_id sh_dmae_of_match[] = {
{.compatible = "renesas,shdma-r8a73a4", .data = r8a73a4_shdma_devid,},
{.compatible = "renesas,shdma-r8a7740", .data = r8a7740_shdma_devid,},
+ {.compatible = "renesas,shdma-sh73a0", .data = sh73a0_shdma_devid,},
{}
};
MODULE_DEVICE_TABLE(of, sh_dmae_of_match);
@@ -916,6 +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);
--
1.7.2.5
--
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