From e8b1cc3a341684dfc02fd02f52308752b031668c Mon Sep 17 00:00:00 2001 From: Per Forlin Date: Sun, 5 Dec 2010 13:35:12 +0100 Subject: ux500: Add DMA support for U5500 Add basic DMA configuration for u5500 supporting memcpy. Make way for SDI0 dma support by setting SDI0 to -1, indicating it will be configured in runtime. Signed-off-by: Per Forlin Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/include/mach/db5500-regs.h | 4 ++++ arch/arm/mach-ux500/include/mach/setup.h | 2 ++ 2 files changed, 6 insertions(+) (limited to 'arch/arm/mach-ux500/include') diff --git a/arch/arm/mach-ux500/include/mach/db5500-regs.h b/arch/arm/mach-ux500/include/mach/db5500-regs.h index 3eafc0e24ba..bd88c1e7406 100644 --- a/arch/arm/mach-ux500/include/mach/db5500-regs.h +++ b/arch/arm/mach-ux500/include/mach/db5500-regs.h @@ -114,4 +114,8 @@ #define U5500_MBOX2_LOCAL_START (U5500_MBOX_BASE + 0x20) #define U5500_MBOX2_LOCAL_END (U5500_MBOX_BASE + 0x3F) +#define U5500_ESRAM_BASE 0x40000000 +#define U5500_ESRAM_DMA_LCPA_OFFSET 0x10000 +#define U5500_DMA_LCPA_BASE (U5500_ESRAM_BASE + U5500_ESRAM_DMA_LCPA_OFFSET) + #endif diff --git a/arch/arm/mach-ux500/include/mach/setup.h b/arch/arm/mach-ux500/include/mach/setup.h index 22788a7d35d..469877e0de9 100644 --- a/arch/arm/mach-ux500/include/mach/setup.h +++ b/arch/arm/mach-ux500/include/mach/setup.h @@ -25,6 +25,8 @@ extern void __init ux500_init_irq(void); extern void __init u5500_sdi_init(void); +extern void __init db5500_dma_init(void); + /* We re-use nomadik_timer for this platform */ extern void nmdk_timer_init(void); -- cgit v1.2.3-70-g09d2