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

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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>
This commit is contained in:
Viresh Kumar
2012-03-26 10:29:23 +05:30
committed by Arnd Bergmann
parent c5fa4fdcdb
commit 0b7ee71794
17 changed files with 1104 additions and 4 deletions
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19
arch/arm/mach-spear3xx/spear3xx.c
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@@ -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