diff options
Diffstat (limited to 'arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c')
-rw-r--r-- | arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c | 229 |
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 431d901..0000000 --- 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" -); |