[PATCH 3/3] [v3] davinci: da850: changed SRAM allocator to shared ram.
Ben Gardiner
bengardiner at nanometrics.ca
Wed Jun 1 11:03:25 EDT 2011
From: Subhasish Ghosh <subhasish at mistralsolutions.com>
This patch modifies the sram allocator to allocate memory
from the DA8XX shared RAM.
Signed-off-by: Subhasish Ghosh <subhasish at mistralsolutions.com>
[rebased onto consolidated SRAM patches]
Signed-off-by: Ben Gardiner <bengardiner at nanometrics.ca>
Reviewed-by: Sergei Shtylyov <sshtylyov at mvista.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
Changes since v2:
* Added Jean-Christophe PLAGNIOL-VILLARD's Ack
Changes since v1:
* re-sorted the new DA8XX_SHARED_RAM_BASE definition in da8xx.h
to between DA8XX_AEMIF_CTL_BASE and DA8XX_DDR2_CTL_BASE (Sergei
Shtylyov).
---
arch/arm/mach-davinci/da850.c | 4 ++--
arch/arm/mach-davinci/include/mach/da8xx.h | 1 +
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 904ede9..4781230 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -1093,8 +1093,8 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
.gpio_irq = IRQ_DA8XX_GPIO0,
.serial_dev = &da8xx_serial_device,
.emac_pdata = &da8xx_emac_pdata,
- .sram_phys = DA8XX_ARM_RAM_BASE,
- .sram_len = SZ_8K,
+ .sram_phys = DA8XX_SHARED_RAM_BASE,
+ .sram_len = SZ_128K,
.reset_device = &da8xx_wdt_device,
};
diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index ad64da7..b67499f 100644
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -67,6 +67,7 @@ extern unsigned int da850_max_speed;
#define DA8XX_AEMIF_CS2_BASE 0x60000000
#define DA8XX_AEMIF_CS3_BASE 0x62000000
#define DA8XX_AEMIF_CTL_BASE 0x68000000
+#define DA8XX_SHARED_RAM_BASE 0x80000000
#define DA8XX_ARM_RAM_BASE 0xffff0000
void __init da830_init(void);
--
1.7.4.1
More information about the linux-arm-kernel
mailing list