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Diffstat (limited to 'arch/arm/mach-uniphier/dram/cmd_ddrphy.c')
-rw-r--r--arch/arm/mach-uniphier/dram/cmd_ddrphy.c142
1 files changed, 78 insertions, 64 deletions
diff --git a/arch/arm/mach-uniphier/dram/cmd_ddrphy.c b/arch/arm/mach-uniphier/dram/cmd_ddrphy.c
index 6ac261d23f..3dae12963b 100644
--- a/arch/arm/mach-uniphier/dram/cmd_ddrphy.c
+++ b/arch/arm/mach-uniphier/dram/cmd_ddrphy.c
@@ -11,6 +11,7 @@
#include <linux/sizes.h>
#include "../soc-info.h"
+#include "ddrphy-init.h"
#include "ddrphy-regs.h"
/* Select either decimal or hexadecimal */
@@ -40,38 +41,43 @@ static unsigned long uniphier_sld8_base[] = {
0 /* sentinel */
};
-static u32 read_bdl(struct ddrphy_datx8 __iomem *dx, int index)
+static void print_bdl(void __iomem *reg, int n)
{
- return (readl(&dx->bdlr[index / 5]) >> (index % 5 * 6)) & 0x3f;
+ u32 val = readl(reg);
+ int i;
+
+ for (i = 0; i < n; i++)
+ printf(FS PRINTF_FORMAT, (val >> i * 6) & 0x3f);
}
static void dump_loop(unsigned long *base,
- void (*callback)(struct ddrphy_datx8 __iomem *))
+ void (*callback)(void __iomem *))
{
- struct ddrphy __iomem *phy;
+ void __iomem *phy_base, *dx_base;
int p, dx;
for (p = 0; *base; base++, p++) {
- phy = ioremap(*base, SZ_4K);
+ phy_base = ioremap(*base, SZ_4K);
+ dx_base = phy_base + PHY_DX_BASE;
for (dx = 0; dx < NR_DATX8_PER_DDRPHY; dx++) {
printf("PHY%dDX%d:", p, dx);
- (*callback)(&phy->dx[dx]);
+ (*callback)(dx_base);
+ dx_base += PHY_DX_STRIDE;
printf("\n");
}
- iounmap(phy);
+ iounmap(phy_base);
}
}
-static void __wbdl_dump(struct ddrphy_datx8 __iomem *dx)
+static void __wbdl_dump(void __iomem *dx_base)
{
- int i;
+ print_bdl(dx_base + PHY_DX_BDLR0, 5);
+ print_bdl(dx_base + PHY_DX_BDLR1, 5);
- for (i = 0; i < 10; i++)
- printf(FS PRINTF_FORMAT, read_bdl(dx, i));
-
- printf(FS "(+" PRINTF_FORMAT ")", readl(&dx->lcdlr[1]) & 0xff);
+ printf(FS "(+" PRINTF_FORMAT ")",
+ readl(dx_base + PHY_DX_LCDLR1) & 0xff);
}
static void wbdl_dump(unsigned long *base)
@@ -82,14 +88,13 @@ static void wbdl_dump(unsigned long *base)
dump_loop(base, &__wbdl_dump);
}
-static void __rbdl_dump(struct ddrphy_datx8 __iomem *dx)
+static void __rbdl_dump(void __iomem *dx_base)
{
- int i;
-
- for (i = 15; i < 24; i++)
- printf(FS PRINTF_FORMAT, read_bdl(dx, i));
+ print_bdl(dx_base + PHY_DX_BDLR3, 5);
+ print_bdl(dx_base + PHY_DX_BDLR4, 4);
- printf(FS "(+" PRINTF_FORMAT ")", (readl(&dx->lcdlr[1]) >> 8) & 0xff);
+ printf(FS "(+" PRINTF_FORMAT ")",
+ (readl(dx_base + PHY_DX_LCDLR1) >> 8) & 0xff);
}
static void rbdl_dump(unsigned long *base)
@@ -100,11 +105,11 @@ static void rbdl_dump(unsigned long *base)
dump_loop(base, &__rbdl_dump);
}
-static void __wld_dump(struct ddrphy_datx8 __iomem *dx)
+static void __wld_dump(void __iomem *dx_base)
{
int rank;
- u32 lcdlr0 = readl(&dx->lcdlr[0]);
- u32 gtr = readl(&dx->gtr);
+ u32 lcdlr0 = readl(dx_base + PHY_DX_LCDLR0);
+ u32 gtr = readl(dx_base + PHY_DX_GTR);
for (rank = 0; rank < 4; rank++) {
u32 wld = (lcdlr0 >> (8 * rank)) & 0xff; /* Delay */
@@ -123,11 +128,11 @@ static void wld_dump(unsigned long *base)
dump_loop(base, &__wld_dump);
}
-static void __dqsgd_dump(struct ddrphy_datx8 __iomem *dx)
+static void __dqsgd_dump(void __iomem *dx_base)
{
int rank;
- u32 lcdlr2 = readl(&dx->lcdlr[2]);
- u32 gtr = readl(&dx->gtr);
+ u32 lcdlr2 = readl(dx_base + PHY_DX_LCDLR2);
+ u32 gtr = readl(dx_base + PHY_DX_GTR);
for (rank = 0; rank < 4; rank++) {
u32 dqsgd = (lcdlr2 >> (8 * rank)) & 0xff; /* Delay */
@@ -145,10 +150,10 @@ static void dqsgd_dump(unsigned long *base)
dump_loop(base, &__dqsgd_dump);
}
-static void __mdl_dump(struct ddrphy_datx8 __iomem *dx)
+static void __mdl_dump(void __iomem *dx_base)
{
int i;
- u32 mdl = readl(&dx->mdlr);
+ u32 mdl = readl(dx_base + PHY_DX_MDLR);
for (i = 0; i < 3; i++)
printf(FS PRINTF_FORMAT, (mdl >> (8 * i)) & 0xff);
}
@@ -161,53 +166,62 @@ static void mdl_dump(unsigned long *base)
dump_loop(base, &__mdl_dump);
}
-#define REG_DUMP(x) \
- { u32 __iomem *p = &phy->x; printf("%3d: %-10s: %p : %08x\n", \
- p - (u32 *)phy, #x, p, readl(p)); }
+#define REG_DUMP(x) \
+ { int ofst = PHY_ ## x; void __iomem *reg = phy_base + ofst; \
+ printf("%3d: %-10s: %p : %08x\n", \
+ ofst >> PHY_REG_SHIFT, #x, reg, readl(reg)); }
+
+#define DX_REG_DUMP(dx, x) \
+ { int ofst = PHY_DX_BASE + PHY_DX_STRIDE * (dx) + \
+ PHY_DX_## x; \
+ void __iomem *reg = phy_base + ofst; \
+ printf("%3d: DX%d%-7s: %p : %08x\n", \
+ ofst >> PHY_REG_SHIFT, (dx), #x, reg, readl(reg)); }
static void reg_dump(unsigned long *base)
{
- struct ddrphy __iomem *phy;
- int p;
+ void __iomem *phy_base;
+ int p, dx;
printf("\n--- DDR PHY registers ---\n");
for (p = 0; *base; base++, p++) {
- phy = ioremap(*base, SZ_4K);
+ phy_base = ioremap(*base, SZ_4K);
- printf("== PHY%d (base: %p) ==\n", p, phy);
+ printf("== PHY%d (base: %p) ==\n", p, phy_base);
printf(" No: Name : Address : Data\n");
- REG_DUMP(ridr);
- REG_DUMP(pir);
- REG_DUMP(pgcr[0]);
- REG_DUMP(pgcr[1]);
- REG_DUMP(pgsr[0]);
- REG_DUMP(pgsr[1]);
- REG_DUMP(pllcr);
- REG_DUMP(ptr[0]);
- REG_DUMP(ptr[1]);
- REG_DUMP(ptr[2]);
- REG_DUMP(ptr[3]);
- REG_DUMP(ptr[4]);
- REG_DUMP(acmdlr);
- REG_DUMP(acbdlr);
- REG_DUMP(dxccr);
- REG_DUMP(dsgcr);
- REG_DUMP(dcr);
- REG_DUMP(dtpr[0]);
- REG_DUMP(dtpr[1]);
- REG_DUMP(dtpr[2]);
- REG_DUMP(mr0);
- REG_DUMP(mr1);
- REG_DUMP(mr2);
- REG_DUMP(mr3);
- REG_DUMP(dx[0].gcr);
- REG_DUMP(dx[0].gtr);
- REG_DUMP(dx[1].gcr);
- REG_DUMP(dx[1].gtr);
-
- iounmap(phy);
+ REG_DUMP(RIDR);
+ REG_DUMP(PIR);
+ REG_DUMP(PGCR0);
+ REG_DUMP(PGCR1);
+ REG_DUMP(PGSR0);
+ REG_DUMP(PGSR1);
+ REG_DUMP(PLLCR);
+ REG_DUMP(PTR0);
+ REG_DUMP(PTR1);
+ REG_DUMP(PTR2);
+ REG_DUMP(PTR3);
+ REG_DUMP(PTR4);
+ REG_DUMP(ACMDLR);
+ REG_DUMP(ACBDLR);
+ REG_DUMP(DXCCR);
+ REG_DUMP(DSGCR);
+ REG_DUMP(DCR);
+ REG_DUMP(DTPR0);
+ REG_DUMP(DTPR1);
+ REG_DUMP(DTPR2);
+ REG_DUMP(MR0);
+ REG_DUMP(MR1);
+ REG_DUMP(MR2);
+ REG_DUMP(MR3);
+
+ for (dx = 0; dx < NR_DATX8_PER_DDRPHY; dx++) {
+ DX_REG_DUMP(dx, GCR);
+ DX_REG_DUMP(dx, GTR);
+ }
+
+ iounmap(phy_base);
}
}