/*
- * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ * Copyright (C) 2014 Panasonic Corporation
+ * Copyright (C) 2015-2016 Socionext Inc.
+ * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
-#include <mapmem.h>
#include <linux/io.h>
#include <linux/sizes.h>
/* field separator */
#define FS " "
-static unsigned long uniphier_ld4_base[] = {
- 0x5bc01000,
- 0x5be01000,
- 0 /* sentinel */
+struct phy_param {
+ resource_size_t base;
+ unsigned int nr_dx;
};
-static unsigned long uniphier_pro4_base[] = {
- 0x5bc01000,
- 0x5be01000,
- 0 /* sentinel */
+static const struct phy_param uniphier_ld4_phy_param[] = {
+ { .base = 0x5bc01000, .nr_dx = 2, },
+ { .base = 0x5be01000, .nr_dx = 2, },
+ { /* sentinel */ }
};
-static unsigned long uniphier_sld8_base[] = {
- 0x5bc01000,
- 0x5be01000,
- 0 /* sentinel */
+static const struct phy_param uniphier_pro4_phy_param[] = {
+ { .base = 0x5bc01000, .nr_dx = 2, },
+ { .base = 0x5bc02000, .nr_dx = 2, },
+ { .base = 0x5be01000, .nr_dx = 2, },
+ { .base = 0x5be02000, .nr_dx = 2, },
+ { /* sentinel */ }
};
-static u32 read_bdl(struct ddrphy_datx8 __iomem *dx, int index)
+static const struct phy_param uniphier_sld8_phy_param[] = {
+ { .base = 0x5bc01000, .nr_dx = 2, },
+ { .base = 0x5be01000, .nr_dx = 2, },
+ { /* sentinel */ }
+};
+
+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 *))
+static void dump_loop(const struct phy_param *phy_param,
+ void (*callback)(void __iomem *))
{
- struct ddrphy __iomem *phy;
+ void __iomem *phy_base, *dx_base;
int p, dx;
- for (p = 0; *base; base++, p++) {
- phy = map_sysmem(*base, SZ_4K);
+ for (p = 0; phy_param->base; phy_param++, p++) {
+ phy_base = ioremap(phy_param->base, SZ_4K);
+ dx_base = phy_base + PHY_DX_BASE;
- for (dx = 0; dx < NR_DATX8_PER_DDRPHY; dx++) {
+ for (dx = 0; dx < phy_param->nr_dx; dx++) {
printf("PHY%dDX%d:", p, dx);
- (*callback)(&phy->dx[dx]);
+ (*callback)(dx_base);
+ dx_base += PHY_DX_STRIDE;
printf("\n");
}
- unmap_sysmem(phy);
+ iounmap(phy_base);
}
}
-static void __wbdl_dump(struct ddrphy_datx8 __iomem *dx)
+static void __wbdl_dump(void __iomem *dx_base)
{
- int i;
-
- for (i = 0; i < 10; i++)
- printf(FS PRINTF_FORMAT, read_bdl(dx, i));
+ print_bdl(dx_base + PHY_DX_BDLR0, 5);
+ print_bdl(dx_base + PHY_DX_BDLR1, 5);
- 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)
+static void wbdl_dump(const struct phy_param *phy_param)
{
printf("\n--- Write Bit Delay Line ---\n");
printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM DQS (WDQD)\n");
- dump_loop(base, &__wbdl_dump);
+ dump_loop(phy_param, &__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)
+static void rbdl_dump(const struct phy_param *phy_param)
{
printf("\n--- Read Bit Delay Line ---\n");
printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM (RDQSD)\n");
- dump_loop(base, &__rbdl_dump);
+ dump_loop(phy_param, &__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 */
}
}
-static void wld_dump(unsigned long *base)
+static void wld_dump(const struct phy_param *phy_param)
{
printf("\n--- Write Leveling Delay ---\n");
printf(" Rank0 Rank1 Rank2 Rank3\n");
- dump_loop(base, &__wld_dump);
+ dump_loop(phy_param, &__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 */
}
}
-static void dqsgd_dump(unsigned long *base)
+static void dqsgd_dump(const struct phy_param *phy_param)
{
printf("\n--- DQS Gating Delay ---\n");
printf(" Rank0 Rank1 Rank2 Rank3\n");
- dump_loop(base, &__dqsgd_dump);
+ dump_loop(phy_param, &__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);
}
-static void mdl_dump(unsigned long *base)
+static void mdl_dump(const struct phy_param *phy_param)
{
printf("\n--- Master Delay Line ---\n");
printf(" IPRD TPRD MDLD\n");
- dump_loop(base, &__mdl_dump);
+ dump_loop(phy_param, &__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)
+static void reg_dump(const struct phy_param *phy_param)
{
- 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 = map_sysmem(*base, SZ_4K);
+ for (p = 0; phy_param->base; phy_param++, p++) {
+ phy_base = ioremap(phy_param->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);
-
- unmap_sysmem(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 < phy_param->nr_dx; dx++) {
+ DX_REG_DUMP(dx, GCR);
+ DX_REG_DUMP(dx, GTR);
+ }
+
+ iounmap(phy_base);
}
}
static int do_ddr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char *cmd = argv[1];
- unsigned long *base;
+ const struct phy_param *phy_param;
switch (uniphier_get_soc_type()) {
case SOC_UNIPHIER_LD4:
- base = uniphier_ld4_base;
+ phy_param = uniphier_ld4_phy_param;
break;
case SOC_UNIPHIER_PRO4:
- base = uniphier_pro4_base;
+ phy_param = uniphier_pro4_phy_param;
break;
case SOC_UNIPHIER_SLD8:
- base = uniphier_sld8_base;
+ phy_param = uniphier_sld8_phy_param;
break;
default:
printf("unsupported SoC\n");
cmd = "all";
if (!strcmp(cmd, "wbdl") || !strcmp(cmd, "all"))
- wbdl_dump(base);
+ wbdl_dump(phy_param);
if (!strcmp(cmd, "rbdl") || !strcmp(cmd, "all"))
- rbdl_dump(base);
+ rbdl_dump(phy_param);
if (!strcmp(cmd, "wld") || !strcmp(cmd, "all"))
- wld_dump(base);
+ wld_dump(phy_param);
if (!strcmp(cmd, "dqsgd") || !strcmp(cmd, "all"))
- dqsgd_dump(base);
+ dqsgd_dump(phy_param);
if (!strcmp(cmd, "mdl") || !strcmp(cmd, "all"))
- mdl_dump(base);
+ mdl_dump(phy_param);
if (!strcmp(cmd, "reg") || !strcmp(cmd, "all"))
- reg_dump(base);
+ reg_dump(phy_param);
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(
ddr, 2, 1, do_ddr,
"UniPhier DDR PHY parameters dumper",
- "- dump all of the followings\n"
+ "- dump all of the following\n"
"ddr wbdl - dump Write Bit Delay\n"
"ddr rbdl - dump Read Bit Delay\n"
"ddr wld - dump Write Leveling\n"
projects / platform / kernel / u-boot.git / blobdiff