X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ffreescale%2Fcommon%2Fqixis.c;h=1696c24e27bc80182be8930c5cba8521e7751d58;hb=8d1fc6fb89826efb6bbbedb57862496e18737877;hp=40ce6b082d1d6b77f108d91fe865361101accfcd;hpb=aaf5e825606a70ddc8fca8e366d8c16a6fd3cc7c;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/freescale/common/qixis.c b/board/freescale/common/qixis.c index 40ce6b0..1696c24 100644 --- a/board/freescale/common/qixis.c +++ b/board/freescale/common/qixis.c @@ -1,32 +1,65 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2011 Freescale Semiconductor + * Copyright 2020 NXP * Author: Shengzhou Liu * - * SPDX-License-Identifier: GPL-2.0+ - * * This file provides support for the QIXIS of some Freescale reference boards. */ #include #include #include +#include #include #include #include "qixis.h" +#ifndef QIXIS_LBMAP_BRDCFG_REG +/* + * For consistency with existing platforms + */ +#define QIXIS_LBMAP_BRDCFG_REG 0x00 +#endif + +#ifndef QIXIS_RCFG_CTL_RECONFIG_IDLE +#define QIXIS_RCFG_CTL_RECONFIG_IDLE 0x20 +#endif +#ifndef QIXIS_RCFG_CTL_RECONFIG_START +#define QIXIS_RCFG_CTL_RECONFIG_START 0x21 +#endif + #ifdef CONFIG_SYS_I2C_FPGA_ADDR u8 qixis_read_i2c(unsigned int reg) { +#ifndef CONFIG_DM_I2C return i2c_reg_read(CONFIG_SYS_I2C_FPGA_ADDR, reg); +#else + struct udevice *dev; + + if (i2c_get_chip_for_busnum(0, CONFIG_SYS_I2C_FPGA_ADDR, 1, &dev)) + return 0xff; + + return dm_i2c_reg_read(dev, reg); +#endif } void qixis_write_i2c(unsigned int reg, u8 value) { u8 val = value; +#ifndef CONFIG_DM_I2C i2c_reg_write(CONFIG_SYS_I2C_FPGA_ADDR, reg, val); +#else + struct udevice *dev; + + if (!i2c_get_chip_for_busnum(0, CONFIG_SYS_I2C_FPGA_ADDR, 1, &dev)) + dm_i2c_reg_write(dev, reg, val); +#endif + } #endif +#ifdef QIXIS_BASE u8 qixis_read(unsigned int reg) { void *p = (void *)QIXIS_BASE; @@ -40,6 +73,7 @@ void qixis_write(unsigned int reg, u8 value) out_8(p + reg, value); } +#endif u16 qixis_read_minor(void) { @@ -107,35 +141,61 @@ const char *byte_to_binary_mask(u8 val, u8 mask, char *buf) return buf; } -void qixis_reset(void) +#ifdef QIXIS_RST_FORCE_MEM +void board_assert_mem_reset(void) +{ + u8 rst; + + rst = QIXIS_READ(rst_frc[0]); + if (!(rst & QIXIS_RST_FORCE_MEM)) + QIXIS_WRITE(rst_frc[0], rst | QIXIS_RST_FORCE_MEM); +} + +void board_deassert_mem_reset(void) +{ + u8 rst; + + rst = QIXIS_READ(rst_frc[0]); + if (rst & QIXIS_RST_FORCE_MEM) + QIXIS_WRITE(rst_frc[0], rst & ~QIXIS_RST_FORCE_MEM); +} +#endif + +#ifndef CONFIG_SPL_BUILD +static void qixis_reset(void) { QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET); } -void qixis_bank_reset(void) +#ifdef QIXIS_LBMAP_ALTBANK +static void qixis_bank_reset(void) { QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE); QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START); } +#endif -/* Set the boot bank to the power-on default bank */ -void clear_altbank(void) +static void __maybe_unused set_lbmap(int lbmap) { u8 reg; - reg = QIXIS_READ(brdcfg[0]); - reg = (reg & ~QIXIS_LBMAP_MASK) | QIXIS_LBMAP_DFLTBANK; - QIXIS_WRITE(brdcfg[0], reg); + reg = QIXIS_READ(brdcfg[QIXIS_LBMAP_BRDCFG_REG]); + reg = (reg & ~QIXIS_LBMAP_MASK) | lbmap; + QIXIS_WRITE(brdcfg[QIXIS_LBMAP_BRDCFG_REG], reg); } -/* Set the boot bank to the alternate bank */ -void set_altbank(void) +static void __maybe_unused set_rcw_src(int rcw_src) { +#ifdef CONFIG_NXP_LSCH3_2 + QIXIS_WRITE(dutcfg[0], (rcw_src & 0xff)); +#else u8 reg; - reg = QIXIS_READ(brdcfg[0]); - reg = (reg & ~QIXIS_LBMAP_MASK) | QIXIS_LBMAP_ALTBANK; - QIXIS_WRITE(brdcfg[0], reg); + reg = QIXIS_READ(dutcfg[1]); + reg = (reg & ~1) | (rcw_src & 1); + QIXIS_WRITE(dutcfg[1], reg); + QIXIS_WRITE(dutcfg[0], (rcw_src >> 1) & 0xff); +#endif } static void qixis_dump_regs(void) @@ -168,24 +228,115 @@ static void qixis_dump_regs(void) printf("stat_alrm = %02x\n", QIXIS_READ(stat_alrm)); } -static void __qixis_dump_switch(void) +void __weak qixis_dump_switch(void) { puts("Reverse engineering switch is not implemented for this board\n"); } -void qixis_dump_switch(void) - __attribute__((weak, alias("__qixis_dump_switch"))); - -int qixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +static int qixis_reset_cmd(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) { int i; if (argc <= 1) { - clear_altbank(); + set_lbmap(QIXIS_LBMAP_DFLTBANK); qixis_reset(); } else if (strcmp(argv[1], "altbank") == 0) { - set_altbank(); +#ifdef QIXIS_LBMAP_ALTBANK + set_lbmap(QIXIS_LBMAP_ALTBANK); qixis_bank_reset(); +#else + printf("No Altbank!\n"); +#endif + } else if (strcmp(argv[1], "nand") == 0) { +#ifdef QIXIS_LBMAP_NAND + QIXIS_WRITE(rst_ctl, 0x30); + QIXIS_WRITE(rcfg_ctl, 0); + set_lbmap(QIXIS_LBMAP_NAND); + set_rcw_src(QIXIS_RCW_SRC_NAND); + QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE); + QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START); +#else + printf("Not implemented\n"); +#endif + } else if (strcmp(argv[1], "sd") == 0) { +#ifdef QIXIS_LBMAP_SD + QIXIS_WRITE(rst_ctl, 0x30); + QIXIS_WRITE(rcfg_ctl, 0); +#ifdef NON_EXTENDED_DUTCFG + QIXIS_WRITE(dutcfg[0], QIXIS_RCW_SRC_SD); +#else + set_lbmap(QIXIS_LBMAP_SD); + set_rcw_src(QIXIS_RCW_SRC_SD); +#endif + QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE); + QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START); +#else + printf("Not implemented\n"); +#endif + } else if (strcmp(argv[1], "ifc") == 0) { +#ifdef QIXIS_LBMAP_IFC + QIXIS_WRITE(rst_ctl, 0x30); + QIXIS_WRITE(rcfg_ctl, 0); + set_lbmap(QIXIS_LBMAP_IFC); + set_rcw_src(QIXIS_RCW_SRC_IFC); + QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE); + QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START); +#else + printf("Not implemented\n"); +#endif + } else if (strcmp(argv[1], "emmc") == 0) { +#ifdef QIXIS_LBMAP_EMMC + QIXIS_WRITE(rst_ctl, 0x30); + QIXIS_WRITE(rcfg_ctl, 0); +#ifndef NON_EXTENDED_DUTCFG + set_lbmap(QIXIS_LBMAP_EMMC); +#endif + set_rcw_src(QIXIS_RCW_SRC_EMMC); + QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE); + QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START); +#else + printf("Not implemented\n"); +#endif + } else if (strcmp(argv[1], "sd_qspi") == 0) { +#ifdef QIXIS_LBMAP_SD_QSPI + QIXIS_WRITE(rst_ctl, 0x30); + QIXIS_WRITE(rcfg_ctl, 0); + set_lbmap(QIXIS_LBMAP_SD_QSPI); + set_rcw_src(QIXIS_RCW_SRC_SD); + qixis_write_i2c(offsetof(struct qixis, rcfg_ctl), + QIXIS_RCFG_CTL_RECONFIG_IDLE); + qixis_write_i2c(offsetof(struct qixis, rcfg_ctl), + QIXIS_RCFG_CTL_RECONFIG_START); +#else + printf("Not implemented\n"); +#endif + } else if (strcmp(argv[1], "qspi") == 0) { +#ifdef QIXIS_LBMAP_QSPI + QIXIS_WRITE(rst_ctl, 0x30); + QIXIS_WRITE(rcfg_ctl, 0); + set_lbmap(QIXIS_LBMAP_QSPI); + set_rcw_src(QIXIS_RCW_SRC_QSPI); + qixis_write_i2c(offsetof(struct qixis, rcfg_ctl), + QIXIS_RCFG_CTL_RECONFIG_IDLE); + qixis_write_i2c(offsetof(struct qixis, rcfg_ctl), + QIXIS_RCFG_CTL_RECONFIG_START); +#else + printf("Not implemented\n"); +#endif + } else if (strcmp(argv[1], "xspi") == 0) { +#ifdef QIXIS_LBMAP_XSPI + QIXIS_WRITE(rst_ctl, 0x30); + QIXIS_WRITE(rcfg_ctl, 0); + set_lbmap(QIXIS_LBMAP_XSPI); + set_rcw_src(QIXIS_RCW_SRC_XSPI); + qixis_write_i2c(offsetof(struct qixis, rcfg_ctl), + QIXIS_RCFG_CTL_RECONFIG_IDLE); + qixis_write_i2c(offsetof(struct qixis, rcfg_ctl), + QIXIS_RCFG_CTL_RECONFIG_START); +#else + printf("Not implemented\n"); +#endif } else if (strcmp(argv[1], "watchdog") == 0) { static char *period[9] = {"2s", "4s", "8s", "16s", "32s", "1min", "2min", "4min", "8min"}; @@ -224,8 +375,14 @@ U_BOOT_CMD( "Reset the board using the FPGA sequencer", "- hard reset to default bank\n" "qixis_reset altbank - reset to alternate bank\n" + "qixis_reset nand - reset to nand\n" + "qixis_reset sd - reset to sd\n" + "qixis_reset sd_qspi - reset to sd with qspi support\n" + "qixis_reset qspi - reset to qspi\n" "qixis watchdog - set the watchdog period\n" " period: 1s 2s 4s 8s 16s 32s 1min 2min 4min 8min\n" "qixis_reset dump - display the QIXIS registers\n" + "qixis_reset emmc - reset to emmc\n" "qixis_reset switch - display switch\n" ); +#endif