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authorMasahiro Yamada <yamada.masahiro@socionext.com>2016-02-26 14:21:52 +0900
committerMasahiro Yamada <yamada.masahiro@socionext.com>2016-02-29 03:50:16 +0900
commita191e0dee02b3fb041880131535fe6b307e6b70d (patch)
treeefec7083e8b9cdbc94c3657204be4ecb13a4e78a /arch/arm
parent7c9cac9c227b1a05ed1a63931f3c03950e9e6603 (diff)
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ARM: uniphier: deprecate umc_dram_init_{start, poll}
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-uniphier/dram/umc-ph1-ld4.c6
-rw-r--r--arch/arm/mach-uniphier/dram/umc-ph1-pro4.c6
-rw-r--r--arch/arm/mach-uniphier/dram/umc-ph1-sld8.c6
-rw-r--r--arch/arm/mach-uniphier/dram/umc-regs.h23
4 files changed, 18 insertions, 23 deletions
diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c b/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c
index 0eb47d7..09b2c1c 100644
--- a/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c
+++ b/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c
@@ -8,6 +8,7 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/sizes.h>
+#include <asm/processor.h>
#include "../init.h"
#include "ddrphy-regs.h"
@@ -145,8 +146,9 @@ static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base,
void __iomem *phy_base = dc_base + 0x00001000;
int ret;
- umc_dram_init_start(dc_base);
- umc_dram_init_poll(dc_base);
+ writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET);
+ while (readl(dc_base + UMC_INITSET) & UMC_INITSTAT_INIT1ST)
+ cpu_relax();
writel(0x00000101, dc_base + UMC_DIOCTLA);
diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c b/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c
index 9569c10..93d2e2c 100644
--- a/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c
+++ b/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c
@@ -8,6 +8,7 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/sizes.h>
+#include <asm/processor.h>
#include "../init.h"
#include "ddrphy-regs.h"
@@ -133,8 +134,9 @@ static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base,
int nr_phy = width / 16;
int phy, ret;
- umc_dram_init_start(dc_base);
- umc_dram_init_poll(dc_base);
+ writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET);
+ while (readl(dc_base + UMC_INITSET) & UMC_INITSTAT_INIT1ST)
+ cpu_relax();
for (phy = 0; phy < nr_phy; phy++) {
writel(0x00000100 | ((1 << (phy + 1)) - 1),
diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c b/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c
index 43e53fd..d873130 100644
--- a/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c
+++ b/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c
@@ -8,6 +8,7 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/sizes.h>
+#include <asm/processor.h>
#include "../init.h"
#include "ddrphy-regs.h"
@@ -148,8 +149,9 @@ static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base,
void __iomem *phy_base = dc_base + 0x00001000;
int ret;
- umc_dram_init_start(dc_base);
- umc_dram_init_poll(dc_base);
+ writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET);
+ while (readl(dc_base + UMC_INITSET) & UMC_INITSTAT_INIT1ST)
+ cpu_relax();
writel(0x00000101, dc_base + UMC_DIOCTLA);
diff --git a/arch/arm/mach-uniphier/dram/umc-regs.h b/arch/arm/mach-uniphier/dram/umc-regs.h
index c65dd82..cc2dd27 100644
--- a/arch/arm/mach-uniphier/dram/umc-regs.h
+++ b/arch/arm/mach-uniphier/dram/umc-regs.h
@@ -9,6 +9,8 @@
#ifndef ARCH_UMC_REGS_H
#define ARCH_UMC_REGS_H
+#include <linux/bitops.h>
+
#define UMC_CPURST 0x00000700
#define UMC_IDSRST 0x0000070C
#define UMC_IXMRST 0x00000714
@@ -46,7 +48,11 @@
#define UMC_CMDCTLA 0x00000000
#define UMC_CMDCTLB 0x00000004
#define UMC_INITSET 0x00000014
+#define UMC_INITSET_INIT1EN BIT(1) /* init without power-on wait */
+#define UMC_INITSET_INIT0EN BIT(0) /* init with power-on wait */
#define UMC_INITSTAT 0x00000018
+#define UMC_INITSTAT_INIT1ST BIT(1) /* init without power-on wait */
+#define UMC_INITSTAT_INIT0ST BIT(0) /* init with power-on wait */
#define UMC_SPCCTLA 0x00000030
#define UMC_SPCCTLB 0x00000034
#define UMC_SPCSETA 0x00000038
@@ -98,21 +104,4 @@
#define UMC_BITPERPIXELMODE_D0 0x010
#define UMC_PAIR1DOFF_D0 0x054
-#ifndef __ASSEMBLY__
-
-#include <linux/types.h>
-
-static inline void umc_dram_init_start(void __iomem *dramcont)
-{
- writel(0x00000002, dramcont + UMC_INITSET);
-}
-
-static inline void umc_dram_init_poll(void __iomem *dramcont)
-{
- while ((readl(dramcont + UMC_INITSTAT) & 0x00000002))
- ;
-}
-
-#endif
-
#endif