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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2016-03-05 17:32:31 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-03-14 19:18:47 -0400 |
| commit | 29c20ba235bbe2af113dfc8f09e04c3c8f9bdec0 (patch) | |
| tree | 28cbf275cd4f224f6134fd138f31811300b45ac4 /arch | |
| parent | e3ce3aa103c9e40415673df70ee62732cdb966c3 (diff) | |
| download | u-boot-imx-29c20ba235bbe2af113dfc8f09e04c3c8f9bdec0.zip u-boot-imx-29c20ba235bbe2af113dfc8f09e04c3c8f9bdec0.tar.gz u-boot-imx-29c20ba235bbe2af113dfc8f09e04c3c8f9bdec0.tar.bz2 | |
ARM: DRA7: emif: Enable interleaving for higher address space
Given that DRA7/OMAP5 SoCs can support more than 2GB of memory,
enable interleaving for this higher memory to increase performance.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/emif-common.c | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/emif.h | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index 3673884..697d6e0 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -1329,6 +1329,8 @@ void dmm_init(u32 base) &hw_lisa_map_regs->dmm_lisa_map_1); writel(lisa_map_regs->dmm_lisa_map_0, &hw_lisa_map_regs->dmm_lisa_map_0); + + setbits_le32(MA_PRIORITY, MA_HIMEM_INTERLEAVE_UN_MASK); } /* diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h index b03cf5a..3183130 100644 --- a/arch/arm/include/asm/emif.h +++ b/arch/arm/include/asm/emif.h @@ -545,6 +545,9 @@ /* Memory Adapter */ #define MA_BASE 0x482AF040 +#define MA_PRIORITY 0x482A2000 +#define MA_HIMEM_INTERLEAVE_UN_SHIFT 8 +#define MA_HIMEM_INTERLEAVE_UN_MASK (1 << 8) /* DMM_LISA_MAP */ #define EMIF_SYS_ADDR_SHIFT 24 |