+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2011 Freescale Semiconductor
* Author: Shengzhou Liu <Shengzhou.Liu@freescale.com>
*
- * SPDX-License-Identifier: GPL-2.0+
- *
* This file provides support for the QIXIS of some Freescale reference boards.
*/
#include <common.h>
#include <command.h>
#include <asm/io.h>
+#include <linux/compiler.h>
#include <linux/time.h>
#include <i2c.h>
#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;
out_8(p + reg, value);
}
+#endif
u16 qixis_read_minor(void)
{
}
#endif
-void qixis_reset(void)
+#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)
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(cmd_tbl_t *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);
+ set_lbmap(QIXIS_LBMAP_EMMC);
+ 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], "watchdog") == 0) {
static char *period[9] = {"2s", "4s", "8s", "16s", "32s",
"1min", "2min", "4min", "8min"};
"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 <watchdog_period> - 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 switch - display switch\n"
);
+#endif
projects / thirdparty / u-boot.git / blobdiff