ARM: uniphier: refactor cmd_ddrmphy

Make it look like cmd_ddrphy.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

1 files changed, 112 insertions, 83 deletions

diff --git a/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c b/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c
index 4e66162..873dad2 100644
--- a/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c
+++ b/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c
@@ -1,13 +1,15 @@
 /*
- * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ * Copyright (C) 2015-2017 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
 #include <linux/io.h>
+#include <linux/sizes.h>
 
-#include "../init.h"
+#include "../soc-info.h"
 #include "ddrmphy-regs.h"
 
 /* Select either decimal or hexadecimal */
@@ -19,24 +21,41 @@
 /* field separator */
 #define FS "   "
 
-static void __iomem *get_phy_base(int ch)
-{
-	return (void __iomem *)(0x5b830000 + ch * 0x00200000);
-}
-
-static int get_nr_ch(void)
-{
-	const struct uniphier_board_data *bd = uniphier_get_board_param();
-
-	return bd->dram_ch[2].size ? 3 : 2;
-}
-
-static int get_nr_datx8(int ch)
-{
-	const struct uniphier_board_data *bd = uniphier_get_board_param();
-
-	return bd->dram_ch[ch].width / 8;
-}
+#define ptr_to_uint(p)	((unsigned int)(unsigned long)(p))
+
+#define UNIPHIER_MAX_NR_DDRMPHY		3
+
+struct uniphier_ddrmphy_param {
+	unsigned int soc_id;
+	unsigned int nr_phy;
+	struct {
+		resource_size_t base;
+		unsigned int nr_zq;
+		unsigned int nr_dx;
+	} phy[UNIPHIER_MAX_NR_DDRMPHY];
+};
+
+static const struct uniphier_ddrmphy_param uniphier_ddrmphy_param[] = {
+	{
+		.soc_id = UNIPHIER_PXS2_ID,
+		.nr_phy = 3,
+		.phy = {
+			{ .base = 0x5b830000, .nr_zq = 3, .nr_dx = 4, },
+			{ .base = 0x5ba30000, .nr_zq = 3, .nr_dx = 4, },
+			{ .base = 0x5bc30000, .nr_zq = 2, .nr_dx = 2, },
+		},
+	},
+	{
+		.soc_id = UNIPHIER_LD6B_ID,
+		.nr_phy = 3,
+		.phy = {
+			{ .base = 0x5b830000, .nr_zq = 3, .nr_dx = 4, },
+			{ .base = 0x5ba30000, .nr_zq = 3, .nr_dx = 4, },
+			{ .base = 0x5bc30000, .nr_zq = 2, .nr_dx = 2, },
+		},
+	},
+};
+UNIPHIER_DEFINE_SOCDATA_FUNC(uniphier_get_ddrmphy_param, uniphier_ddrmphy_param)
 
 static void print_bdl(void __iomem *reg, int n)
 {
@@ -47,59 +66,60 @@ static void print_bdl(void __iomem *reg, int n)
 		printf(FS PRINTF_FORMAT, (val >> i * 8) & 0x1f);
 }
 
-static void dump_loop(void (*callback)(void __iomem *))
+static void dump_loop(const struct uniphier_ddrmphy_param *param,
+		      void (*callback)(void __iomem *))
 {
-	int ch, dx, nr_ch, nr_dx;
-	void __iomem *dx_base;
-
-	nr_ch = get_nr_ch();
+	void __iomem *phy_base, *dx_base;
+	int phy, dx;
 
-	for (ch = 0; ch < nr_ch; ch++) {
-		dx_base = get_phy_base(ch) + MPHY_DX_BASE;
-		nr_dx = get_nr_datx8(ch);
+	for (phy = 0; phy < param->nr_phy; phy++) {
+		phy_base = ioremap(param->phy[phy].base, SZ_4K);
+		dx_base = phy_base + MPHY_DX_BASE;
 
-		for (dx = 0; dx < nr_dx; dx++) {
-			printf("CH%dDX%d:", ch, dx);
+		for (dx = 0; dx < param->phy[phy].nr_dx; dx++) {
+			printf("PHY%dDX%d:", phy, dx);
 			(*callback)(dx_base);
 			dx_base += MPHY_DX_STRIDE;
 			printf("\n");
 		}
+
+		iounmap(phy_base);
 	}
 }
 
-static void zq_dump(void)
+static void zq_dump(const struct uniphier_ddrmphy_param *param)
 {
-	int ch, zq, nr_ch, nr_zq, i;
-	void __iomem *zq_base;
-	u32 dr, pr;
+	void __iomem *phy_base, *zq_base;
+	u32 val;
+	int phy, zq, i;
 
 	printf("\n--- Impedance Data ---\n");
-	printf("         ZPD  ZPU  OPD  OPU  ZDV  ODV\n");
+	printf("           ZPD  ZPU  OPD  OPU  ZDV  ODV\n");
 
-	nr_ch = get_nr_ch();
+	for (phy = 0; phy < param->nr_phy; phy++) {
+		phy_base = ioremap(param->phy[phy].base, SZ_4K);
+		zq_base = phy_base + MPHY_ZQ_BASE;
 
-	for (ch = 0; ch < nr_ch; ch++) {
-		zq_base = get_phy_base(ch) + MPHY_ZQ_BASE;
-		nr_zq = 3;
+		for (zq = 0; zq < param->phy[phy].nr_zq; zq++) {
+			printf("PHY%dZQ%d:", phy, zq);
 
-		for (zq = 0; zq < nr_zq; zq++) {
-			printf("CH%dZQ%d:", ch, zq);
-
-			dr = readl(zq_base + MPHY_ZQ_DR);
+			val = readl(zq_base + MPHY_ZQ_DR);
 			for (i = 0; i < 4; i++) {
-				printf(FS PRINTF_FORMAT, dr & 0x7f);
-				dr >>= 7;
+				printf(FS PRINTF_FORMAT, val & 0x7f);
+				val >>= 7;
 			}
 
-			pr = readl(zq_base + MPHY_ZQ_PR);
+			val = readl(zq_base + MPHY_ZQ_PR);
 			for (i = 0; i < 2; i++) {
-				printf(FS PRINTF_FORMAT, pr & 0xf);
-				pr >>= 4;
+				printf(FS PRINTF_FORMAT, val & 0xf);
+				val >>= 4;
 			}
 
 			zq_base += MPHY_ZQ_STRIDE;
 			printf("\n");
 		}
+
+		iounmap(phy_base);
 	}
 }
 
@@ -113,12 +133,12 @@ static void __wbdl_dump(void __iomem *dx_base)
 	       readl(dx_base + MPHY_DX_LCDLR1) & 0xff);
 }
 
-static void wbdl_dump(void)
+static void wbdl_dump(const struct uniphier_ddrmphy_param *param)
 {
 	printf("\n--- Write Bit Delay Line ---\n");
-	printf("         DQ0  DQ1  DQ2  DQ3  DQ4  DQ5  DQ6  DQ7   DM  DQS  (WDQD)\n");
+	printf("           DQ0  DQ1  DQ2  DQ3  DQ4  DQ5  DQ6  DQ7   DM  DQS  (WDQD)\n");
 
-	dump_loop(&__wbdl_dump);
+	dump_loop(param, &__wbdl_dump);
 }
 
 static void __rbdl_dump(void __iomem *dx_base)
@@ -134,12 +154,12 @@ static void __rbdl_dump(void __iomem *dx_base)
 	       (readl(dx_base + MPHY_DX_LCDLR1) >> 16) & 0xff);
 }
 
-static void rbdl_dump(void)
+static void rbdl_dump(const struct uniphier_ddrmphy_param *param)
 {
 	printf("\n--- Read Bit Delay Line ---\n");
-	printf("         DQ0  DQ1  DQ2  DQ3  DQ4  DQ5  DQ6  DQ7   DM  (RDQSD) (RDQSND)\n");
+	printf("           DQ0  DQ1  DQ2  DQ3  DQ4  DQ5  DQ6  DQ7   DM  (RDQSD) (RDQSND)\n");
 
-	dump_loop(&__rbdl_dump);
+	dump_loop(param, &__rbdl_dump);
 }
 
 static void __wld_dump(void __iomem *dx_base)
@@ -157,12 +177,12 @@ static void __wld_dump(void __iomem *dx_base)
 	}
 }
 
-static void wld_dump(void)
+static void wld_dump(const struct uniphier_ddrmphy_param *param)
 {
 	printf("\n--- Write Leveling Delay ---\n");
-	printf("          Rank0   Rank1   Rank2   Rank3\n");
+	printf("           Rank0   Rank1   Rank2   Rank3\n");
 
-	dump_loop(&__wld_dump);
+	dump_loop(param, &__wld_dump);
 }
 
 static void __dqsgd_dump(void __iomem *dx_base)
@@ -179,12 +199,12 @@ static void __dqsgd_dump(void __iomem *dx_base)
 	}
 }
 
-static void dqsgd_dump(void)
+static void dqsgd_dump(const struct uniphier_ddrmphy_param *param)
 {
 	printf("\n--- DQS Gating Delay ---\n");
-	printf("          Rank0   Rank1   Rank2   Rank3\n");
+	printf("           Rank0   Rank1   Rank2   Rank3\n");
 
-	dump_loop(&__dqsgd_dump);
+	dump_loop(param, &__dqsgd_dump);
 }
 
 static void __mdl_dump(void __iomem *dx_base)
@@ -196,12 +216,12 @@ static void __mdl_dump(void __iomem *dx_base)
 		printf(FS PRINTF_FORMAT, (mdl >> (8 * i)) & 0xff);
 }
 
-static void mdl_dump(void)
+static void mdl_dump(const struct uniphier_ddrmphy_param *param)
 {
 	printf("\n--- Master Delay Line ---\n");
-	printf("        IPRD TPRD MDLD\n");
+	printf("          IPRD TPRD MDLD\n");
 
-	dump_loop(&__mdl_dump);
+	dump_loop(param, &__mdl_dump);
 }
 
 #define REG_DUMP(x)							\
@@ -216,20 +236,18 @@ static void mdl_dump(void)
 		printf("%3d: DX%d%-7s: %p : %08x\n",			\
 		       ofst >> MPHY_SHIFT, (dx), #x, reg, readl(reg)); }
 
-static void reg_dump(void)
+static void reg_dump(const struct uniphier_ddrmphy_param *param)
 {
-	int ch, dx, nr_ch, nr_dx;
 	void __iomem *phy_base;
+	int phy, dx;
 
-	printf("\n--- DDR PHY registers ---\n");
+	printf("\n--- DDR Multi PHY registers ---\n");
 
-	nr_ch = get_nr_ch();
+	for (phy = 0; phy < param->nr_phy; phy++) {
+		phy_base = ioremap(param->phy[phy].base, SZ_4K);
 
-	for (ch = 0; ch < nr_ch; ch++) {
-		phy_base = get_phy_base(ch);
-		nr_dx = get_nr_datx8(ch);
-
-		printf("== Ch%d ==\n", ch);
+		printf("== PHY%d (base: %08x) ==\n", phy,
+		       ptr_to_uint(phy_base));
 		printf(" No: Name      : Address  : Data\n");
 
 		REG_DUMP(RIDR);
@@ -260,50 +278,61 @@ static void reg_dump(void)
 		REG_DUMP(MR2);
 		REG_DUMP(MR3);
 
-		for (dx = 0; dx < nr_dx; dx++) {
+		for (dx = 0; dx < param->phy[phy].nr_dx; dx++) {
 			DX_REG_DUMP(dx, GCR0);
 			DX_REG_DUMP(dx, GCR1);
 			DX_REG_DUMP(dx, GCR2);
 			DX_REG_DUMP(dx, GCR3);
 			DX_REG_DUMP(dx, GTR);
 		}
+
+		iounmap(phy_base);
 	}
 }
 
 static int do_ddrm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-	char *cmd = argv[1];
+	const struct uniphier_ddrmphy_param *param;
+	char *cmd;
+
+	param = uniphier_get_ddrmphy_param();
+	if (!param) {
+		printf("unsupported SoC\n");
+		return CMD_RET_FAILURE;
+	}
 
 	if (argc == 1)
 		cmd = "all";
+	else
+		cmd = argv[1];
 
 	if (!strcmp(cmd, "zq") || !strcmp(cmd, "all"))
-		zq_dump();
+		zq_dump(param);
 
 	if (!strcmp(cmd, "wbdl") || !strcmp(cmd, "all"))
-		wbdl_dump();
+		wbdl_dump(param);
 
 	if (!strcmp(cmd, "rbdl") || !strcmp(cmd, "all"))
-		rbdl_dump();
+		rbdl_dump(param);
 
 	if (!strcmp(cmd, "wld") || !strcmp(cmd, "all"))
-		wld_dump();
+		wld_dump(param);
 
 	if (!strcmp(cmd, "dqsgd") || !strcmp(cmd, "all"))
-		dqsgd_dump();
+		dqsgd_dump(param);
 
 	if (!strcmp(cmd, "mdl") || !strcmp(cmd, "all"))
-		mdl_dump();
+		mdl_dump(param);
 
 	if (!strcmp(cmd, "reg") || !strcmp(cmd, "all"))
-		reg_dump();
+		reg_dump(param);
 
-	return 0;
+	return CMD_RET_SUCCESS;
 }
 
 U_BOOT_CMD(
 	ddrm,	2,	1,	do_ddrm,
-	"UniPhier DDR PHY parameters dumper",
+	"UniPhier DDR Multi PHY parameters dumper",
 	"- dump all of the following\n"
 	"ddrm zq - dump Impedance Data\n"
 	"ddrm wbdl - dump Write Bit Delay\n"