diff mbox

[U-Boot,10/11] ARM: dra7xx_evm: Enable EDMA3 in SPL to support DMA on qspi

Message ID 1435922173-6531-11-git-send-email-vigneshr@ti.com
State Superseded
Delegated to: Tom Rini
Headers show

Commit Message

Raghavendra, Vignesh July 3, 2015, 11:16 a.m. UTC
Enable TI_EDMA3 and SPL_DMA support, so as to reduce boot time. With
DMA enabled there is almost 3x improvement in read performance. This
helps in reducing boot time in qspiboot mode

Also add EDMA3 base address for DRA7XX and AM57XX.

Signed-off-by: Vignesh R <vigneshr@ti.com>
---
 arch/arm/include/asm/arch-omap5/hardware.h | 5 +++++
 include/configs/dra7xx_evm.h               | 2 ++
 2 files changed, 7 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/include/asm/arch-omap5/hardware.h b/arch/arm/include/asm/arch-omap5/hardware.h
index f7011b4e904a..a5bd60009289 100644
--- a/arch/arm/include/asm/arch-omap5/hardware.h
+++ b/arch/arm/include/asm/arch-omap5/hardware.h
@@ -23,4 +23,9 @@ 
 /* GPMC Base address */
 #define GPMC_BASE			0x50000000
 
+/* EDMA3 Base address for DRA7XX and AM57XX */
+#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX)
+#define EDMA3_BASE			0x43300000
+#endif
+
 #endif
diff --git a/include/configs/dra7xx_evm.h b/include/configs/dra7xx_evm.h
index d84427d1d8bc..fe09aac27f71 100644
--- a/include/configs/dra7xx_evm.h
+++ b/include/configs/dra7xx_evm.h
@@ -165,6 +165,8 @@ 
 
 /* SPI SPL */
 #define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_DMA_SUPPORT
+#define CONFIG_TI_EDMA3
 #define CONFIG_SPL_SPI_LOAD
 #define CONFIG_SPL_SPI_FLASH_SUPPORT
 #define CONFIG_SYS_SPI_U_BOOT_OFFS     0x40000