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| author | Viresh Kumar <viresh.kumar@st.com> | 2012-03-26 10:29:23 +0530 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-04-22 22:41:35 +0200 |
| commit | 0b7ee71794b043de8a02d8887b69a57e4003106a (patch) | |
| tree | fb4386d24146993d3c1400abbc6974c27c16722d /arch/arm/mach-spear3xx/spear3xx.c | |
| parent | c5fa4fdcdbe5f52c3e36892cc81f9378339b00ce (diff) | |
| download | op-kernel-dev-0b7ee71794b043de8a02d8887b69a57e4003106a.zip op-kernel-dev-0b7ee71794b043de8a02d8887b69a57e4003106a.tar.gz | |
SPEAr: Add PL080 DMA support for 3xx and 6xx
Both SPEAr3xx and SPEAr6xx families have one instance of ARM PL080 DMA
controller. This patch adds in support for that.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Diffstat (limited to 'arch/arm/mach-spear3xx/spear3xx.c')
| -rw-r--r-- | arch/arm/mach-spear3xx/spear3xx.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c index a94d8c1..17d4ac9 100644 --- a/arch/arm/mach-spear3xx/spear3xx.c +++ b/arch/arm/mach-spear3xx/spear3xx.c @@ -17,7 +17,9 @@ #include <linux/amba/pl08x.h> #include <linux/of_irq.h> #include <linux/io.h> +#include <asm/hardware/pl080.h> #include <asm/hardware/vic.h> +#include <plat/pl080.h> #include <mach/generic.h> #include <mach/hardware.h> @@ -465,6 +467,23 @@ struct pl022_ssp_controller pl022_plat_data = { .num_chipselect = 2, }; +/* dmac device registration */ +struct pl08x_platform_data pl080_plat_data = { + .memcpy_channel = { + .bus_id = "memcpy", + .cctl = (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 | \ + PL080_CONTROL_PROT_BUFF | PL080_CONTROL_PROT_CACHE | \ + PL080_CONTROL_PROT_SYS), + }, + .lli_buses = PL08X_AHB1, + .mem_buses = PL08X_AHB1, + .get_signal = pl080_get_signal, + .put_signal = pl080_put_signal, +}; + /* * Following will create 16MB static virtual/physical mappings * PHYSICAL VIRTUAL |
