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authorHolger Brunck <holger.brunck@keymile.com>2012-07-20 02:34:24 +0000
committerPrafulla Wadaskar <prafulla@marvell.com>2012-10-03 16:43:13 +0530
commitcf37c5d98bb2e23fbcbca8a0328ca7dd43d6af8c (patch)
treed76a0d04841d2943e867d05b5115c42b1dbbbb35
parent9b914727ce5c9016ad93d4bcdaef48be761a4cef (diff)
kirkwood: use c-struct for access to SDRAM addr decode registers
Remove the defines and do this with a C-struct. Signed-off-by: Holger Brunck <holger.brunck@keymile.com> cc: Prafulla Wadaskar <prafulla@marvell.com> cc: Valentin Longchamp <valentin.longchamp@keymile.com> cc: Gerlando Falauto <gerlando.falauto@keymile.com> cc: Marek Vasut <marex@denx.de> Acked-By: Prafulla Wadaskar <Prafulla@marvell.com>
-rw-r--r--arch/arm/cpu/arm926ejs/kirkwood/dram.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/arch/arm/cpu/arm926ejs/kirkwood/dram.c b/arch/arm/cpu/arm926ejs/kirkwood/dram.c
index 181b3e7bd..1c5faabb4 100644
--- a/arch/arm/cpu/arm926ejs/kirkwood/dram.c
+++ b/arch/arm/cpu/arm926ejs/kirkwood/dram.c
@@ -30,20 +30,29 @@
DECLARE_GLOBAL_DATA_PTR;
-#define KW_REG_CPUCS_WIN_BAR(x) (KW_REGISTER(0x1500) + (x * 0x08))
-#define KW_REG_CPUCS_WIN_SZ(x) (KW_REGISTER(0x1504) + (x * 0x08))
+struct kw_sdram_bank {
+ u32 win_bar;
+ u32 win_sz;
+};
+
+struct kw_sdram_addr_dec {
+ struct kw_sdram_bank sdram_bank[4];
+};
+
/*
* kw_sdram_bar - reads SDRAM Base Address Register
*/
u32 kw_sdram_bar(enum memory_bank bank)
{
+ struct kw_sdram_addr_dec *base =
+ (struct kw_sdram_addr_dec *)KW_REGISTER(0x1500);
u32 result = 0;
- u32 enable = 0x01 & readl(KW_REG_CPUCS_WIN_SZ(bank));
+ u32 enable = 0x01 & readl(&base->sdram_bank[bank].win_sz);
if ((!enable) || (bank > BANK3))
return 0;
- result = readl(KW_REG_CPUCS_WIN_BAR(bank));
+ result = readl(&base->sdram_bank[bank].win_bar);
return result;
}
@@ -52,12 +61,14 @@ u32 kw_sdram_bar(enum memory_bank bank)
*/
u32 kw_sdram_bs(enum memory_bank bank)
{
+ struct kw_sdram_addr_dec *base =
+ (struct kw_sdram_addr_dec *)KW_REGISTER(0x1500);
u32 result = 0;
- u32 enable = 0x01 & readl(KW_REG_CPUCS_WIN_SZ(bank));
+ u32 enable = 0x01 & readl(&base->sdram_bank[bank].win_sz);
if ((!enable) || (bank > BANK3))
return 0;
- result = 0xff000000 & readl(KW_REG_CPUCS_WIN_SZ(bank));
+ result = 0xff000000 & readl(&base->sdram_bank[bank].win_sz);
result += 0x01000000;
return result;
}