summaryrefslogtreecommitdiffstats
path: root/arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c')
-rw-r--r--arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c229
1 files changed, 0 insertions, 229 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c b/arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c
deleted file mode 100644
index 431d9010f1..0000000000
--- a/arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * Copyright (C) 2014 Panasonic Corporation
- * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/ddrphy-regs.h>
-
-/* Select either decimal or hexadecimal */
-#if 1
-#define PRINTF_FORMAT "%2d"
-#else
-#define PRINTF_FORMAT "%02x"
-#endif
-/* field separator */
-#define FS " "
-
-static u32 read_bdl(struct ddrphy_datx8 __iomem *dx, int index)
-{
- return (readl(&dx->bdlr[index / 5]) >> (index % 5 * 6)) & 0x3f;
-}
-
-static void dump_loop(void (*callback)(struct ddrphy_datx8 __iomem *))
-{
- int ch, p, dx;
- struct ddrphy __iomem *phy;
-
- for (ch = 0; ch < NR_DDRCH; ch++) {
- for (p = 0; p < NR_DDRPHY_PER_CH; p++) {
- phy = (struct ddrphy __iomem *)DDRPHY_BASE(ch, p);
-
- for (dx = 0; dx < NR_DATX8_PER_DDRPHY; dx++) {
- printf("CH%dP%dDX%d:", ch, p, dx);
- (*callback)(&phy->dx[dx]);
- printf("\n");
- }
- }
- }
-}
-
-static void __wbdl_dump(struct ddrphy_datx8 __iomem *dx)
-{
- int i;
-
- for (i = 0; i < 10; i++)
- printf(FS PRINTF_FORMAT, read_bdl(dx, i));
-
- printf(FS "(+" PRINTF_FORMAT ")", readl(&dx->lcdlr[1]) & 0xff);
-}
-
-void wbdl_dump(void)
-{
- printf("\n--- Write Bit Delay Line ---\n");
- printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM DQS (WDQD)\n");
-
- dump_loop(&__wbdl_dump);
-}
-
-static void __rbdl_dump(struct ddrphy_datx8 __iomem *dx)
-{
- int i;
-
- for (i = 15; i < 24; i++)
- printf(FS PRINTF_FORMAT, read_bdl(dx, i));
-
- printf(FS "(+" PRINTF_FORMAT ")", (readl(&dx->lcdlr[1]) >> 8) & 0xff);
-}
-
-void rbdl_dump(void)
-{
- printf("\n--- Read Bit Delay Line ---\n");
- printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM (RDQSD)\n");
-
- dump_loop(&__rbdl_dump);
-}
-
-static void __wld_dump(struct ddrphy_datx8 __iomem *dx)
-{
- int rank;
- u32 lcdlr0 = readl(&dx->lcdlr[0]);
- u32 gtr = readl(&dx->gtr);
-
- for (rank = 0; rank < 4; rank++) {
- u32 wld = (lcdlr0 >> (8 * rank)) & 0xff; /* Delay */
- u32 wlsl = (gtr >> (12 + 2 * rank)) & 0x3; /* System Latency */
-
- printf(FS PRINTF_FORMAT "%sT", wld,
- wlsl == 0 ? "-1" : wlsl == 1 ? "+0" : "+1");
- }
-}
-
-void wld_dump(void)
-{
- printf("\n--- Write Leveling Delay ---\n");
- printf(" Rank0 Rank1 Rank2 Rank3\n");
-
- dump_loop(&__wld_dump);
-}
-
-static void __dqsgd_dump(struct ddrphy_datx8 __iomem *dx)
-{
- int rank;
- u32 lcdlr2 = readl(&dx->lcdlr[2]);
- u32 gtr = readl(&dx->gtr);
-
- for (rank = 0; rank < 4; rank++) {
- u32 dqsgd = (lcdlr2 >> (8 * rank)) & 0xff; /* Delay */
- u32 dgsl = (gtr >> (3 * rank)) & 0x7; /* System Latency */
-
- printf(FS PRINTF_FORMAT "+%dT", dqsgd, dgsl);
- }
-}
-
-void dqsgd_dump(void)
-{
- printf("\n--- DQS Gating Delay ---\n");
- printf(" Rank0 Rank1 Rank2 Rank3\n");
-
- dump_loop(&__dqsgd_dump);
-}
-
-static void __mdl_dump(struct ddrphy_datx8 __iomem *dx)
-{
- int i;
- u32 mdl = readl(&dx->mdlr);
- for (i = 0; i < 3; i++)
- printf(FS PRINTF_FORMAT, (mdl >> (8 * i)) & 0xff);
-}
-
-void mdl_dump(void)
-{
- printf("\n--- Master Delay Line ---\n");
- printf(" IPRD TPRD MDLD\n");
-
- dump_loop(&__mdl_dump);
-}
-
-#define REG_DUMP(x) \
- { u32 __iomem *p = &phy->x; printf("%3d: %-10s: %p : %08x\n", \
- p - (u32 *)phy, #x, p, readl(p)); }
-
-void reg_dump(void)
-{
- int ch, p;
- struct ddrphy __iomem *phy;
-
- printf("\n--- DDR PHY registers ---\n");
-
- for (ch = 0; ch < NR_DDRCH; ch++) {
- for (p = 0; p < NR_DDRPHY_PER_CH; p++) {
- printf("== Ch%d, PHY%d ==\n", ch, p);
- printf(" No: Name : Address : Data\n");
-
- phy = (struct ddrphy __iomem *)DDRPHY_BASE(ch, p);
-
- 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);
- }
- }
-}
-
-static int do_ddr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- char *cmd = argv[1];
-
- if (argc == 1)
- cmd = "all";
-
- if (!strcmp(cmd, "wbdl") || !strcmp(cmd, "all"))
- wbdl_dump();
-
- if (!strcmp(cmd, "rbdl") || !strcmp(cmd, "all"))
- rbdl_dump();
-
- if (!strcmp(cmd, "wld") || !strcmp(cmd, "all"))
- wld_dump();
-
- if (!strcmp(cmd, "dqsgd") || !strcmp(cmd, "all"))
- dqsgd_dump();
-
- if (!strcmp(cmd, "mdl") || !strcmp(cmd, "all"))
- mdl_dump();
-
- if (!strcmp(cmd, "reg") || !strcmp(cmd, "all"))
- reg_dump();
-
- return 0;
-}
-
-U_BOOT_CMD(
- ddr, 2, 1, do_ddr,
- "UniPhier DDR PHY parameters dumper",
- "- dump all of the followings\n"
- "ddr wbdl - dump Write Bit Delay\n"
- "ddr rbdl - dump Read Bit Delay\n"
- "ddr wld - dump Write Leveling\n"
- "ddr dqsgd - dump DQS Gating Delay\n"
- "ddr mdl - dump Master Delay Line\n"
- "ddr reg - dump registers\n"
-);
OpenPOWER on IntegriCloud