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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2016 Freescale Semiconductor, Inc.
*/
#include <common.h>
#include <command.h>
#include <fdt_support.h>
#include <hang.h>
#include <i2c.h>
#include <asm/cache.h>
#include <init.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/fsl_serdes.h>
#ifdef CONFIG_FSL_LS_PPA
#include <asm/arch/ppa.h>
#endif
#include <asm/arch/mmu.h>
#include <asm/arch/soc.h>
#include <hwconfig.h>
#include <ahci.h>
#include <mmc.h>
#include <scsi.h>
#include <fsl_esdhc.h>
#include <env_internal.h>
#include <fsl_mmdc.h>
#include <netdev.h>
#include <fsl_sec.h>
#include <net/pfe_eth/pfe/pfe_hw.h>
DECLARE_GLOBAL_DATA_PTR;
#define BOOT_FROM_UPPER_BANK 0x2
#define BOOT_FROM_LOWER_BANK 0x1
int checkboard(void)
{
#ifdef CONFIG_TARGET_LS1012ARDB
u8 in1;
int ret, bus_num = 0;
puts("Board: LS1012ARDB ");
/* Initialize i2c early for Serial flash bank information */
#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_IO_ADDR,
1, &dev);
if (ret) {
printf("%s: Cannot find udev for a bus %d\n", __func__,
bus_num);
return -ENXIO;
}
ret = dm_i2c_read(dev, I2C_MUX_IO_1, &in1, 1);
#else /* Non DM I2C support - will be removed */
i2c_set_bus_num(bus_num);
ret = i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &in1, 1);
#endif
if (ret < 0) {
printf("Error reading i2c boot information!\n");
return 0; /* Don't want to hang() on this error */
}
puts("Version");
switch (in1 & SW_REV_MASK) {
case SW_REV_A:
puts(": RevA");
break;
case SW_REV_B:
puts(": RevB");
break;
case SW_REV_C:
puts(": RevC");
break;
case SW_REV_C1:
puts(": RevC1");
break;
case SW_REV_C2:
puts(": RevC2");
break;
case SW_REV_D:
puts(": RevD");
break;
case SW_REV_E:
puts(": RevE");
break;
default:
puts(": unknown");
break;
}
printf(", boot from QSPI");
if ((in1 & SW_BOOT_MASK) == SW_BOOT_EMU)
puts(": emu\n");
else if ((in1 & SW_BOOT_MASK) == SW_BOOT_BANK1)
puts(": bank1\n");
else if ((in1 & SW_BOOT_MASK) == SW_BOOT_BANK2)
puts(": bank2\n");
else
puts("unknown\n");
#else
puts("Board: LS1012A2G5RDB ");
#endif
return 0;
}
#ifdef CONFIG_TFABOOT
int dram_init(void)
{
gd->ram_size = tfa_get_dram_size();
if (!gd->ram_size)
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
#else
int dram_init(void)
{
#ifndef CONFIG_TFABOOT
static const struct fsl_mmdc_info mparam = {
0x05180000, /* mdctl */
0x00030035, /* mdpdc */
0x12554000, /* mdotc */
0xbabf7954, /* mdcfg0 */
0xdb328f64, /* mdcfg1 */
0x01ff00db, /* mdcfg2 */
0x00001680, /* mdmisc */
0x0f3c8000, /* mdref */
0x00002000, /* mdrwd */
0x00bf1023, /* mdor */
0x0000003f, /* mdasp */
0x0000022a, /* mpodtctrl */
0xa1390003, /* mpzqhwctrl */
};
mmdc_init(&mparam);
#endif
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
/* This will break-before-make MMU for DDR */
update_early_mmu_table();
#endif
return 0;
}
#endif
int board_early_init_f(void)
{
fsl_lsch2_early_init_f();
return 0;
}
int board_init(void)
{
struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
CONFIG_SYS_CCI400_OFFSET);
/*
* Set CCI-400 control override register to enable barrier
* transaction
*/
if (current_el() == 3)
out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
erratum_a010315();
#endif
#ifdef CONFIG_FSL_CAAM
sec_init();
#endif
#ifdef CONFIG_FSL_LS_PPA
ppa_init();
#endif
return 0;
}
#ifdef CONFIG_FSL_PFE
void board_quiesce_devices(void)
{
pfe_command_stop(0, NULL);
}
#endif
#ifdef CONFIG_TARGET_LS1012ARDB
int esdhc_status_fixup(void *blob, const char *compat)
{
char esdhc1_path[] = "/soc/esdhc@1580000";
bool sdhc2_en = false;
u8 mux_sdhc2;
u8 io = 0;
int ret, bus_num = 0;
#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_IO_ADDR,
1, &dev);
if (ret) {
printf("%s: Cannot find udev for a bus %d\n", __func__,
bus_num);
return -ENXIO;
}
ret = dm_i2c_read(dev, I2C_MUX_IO_1, &io, 1);
#else
i2c_set_bus_num(bus_num);
/* IO1[7:3] is the field of board revision info. */
ret = i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_1, 1, &io, 1);
#endif
if (ret < 0) {
printf("Error reading i2c boot information!\n");
return 0;
}
/* hwconfig method is used for RevD and later versions. */
if ((io & SW_REV_MASK) <= SW_REV_D) {
#ifdef CONFIG_HWCONFIG
if (hwconfig("esdhc1"))
sdhc2_en = true;
#endif
} else {
/*
* The I2C IO-expander for mux select is used to control
* the muxing of various onboard interfaces.
*
* IO0[3:2] indicates SDHC2 interface demultiplexer
* select lines.
* 00 - SDIO wifi
* 01 - GPIO (to Arduino)
* 10 - eMMC Memory
* 11 - SPI
*/
#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_read(dev, I2C_MUX_IO_0, &io, 1);
#else
ret = i2c_read(I2C_MUX_IO_ADDR, I2C_MUX_IO_0, 1, &io, 1);
#endif
if (ret < 0) {
printf("Error reading i2c boot information!\n");
return 0;
}
mux_sdhc2 = (io & 0x0c) >> 2;
/* Enable SDHC2 only when use SDIO wifi and eMMC */
if (mux_sdhc2 == 2 || mux_sdhc2 == 0)
sdhc2_en = true;
}
if (sdhc2_en)
do_fixup_by_path(blob, esdhc1_path, "status", "okay",
sizeof("okay"), 1);
else
do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
sizeof("disabled"), 1);
return 0;
}
#endif
int ft_board_setup(void *blob, struct bd_info *bd)
{
arch_fixup_fdt(blob);
ft_cpu_setup(blob, bd);
return 0;
}
static int switch_to_bank1(void)
{
u8 data = 0xf4, chip_addr = 0x24, offset_addr = 0x03;
int ret, bus_num = 0;
#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
ret = i2c_get_chip_for_busnum(bus_num, chip_addr,
1, &dev);
if (ret) {
printf("%s: Cannot find udev for a bus %d\n", __func__,
bus_num);
return -ENXIO;
}
/*
* --------------------------------------------------------------------
* |bus |I2C address| Device | Notes |
* --------------------------------------------------------------------
* |I2C1|0x24, 0x25,| IO expander (CFG,| Provides 16bits of General |
* | |0x26 | RESET, and INT/ | Purpose parallel Input/Output|
* | | | KW41GPIO) - NXP | (GPIO) expansion for the |
* | | | PCAL9555AHF | I2C bus |
* ----- --------------------------------------------------------------
* - mount three IO expander(PCAL9555AHF) on I2C1
*
* PCAL9555A device address
* slave address
* --------------------------------------
* | 0 | 1 | 0 | 0 | A2 | A1 | A0 | R/W |
* --------------------------------------
* | fixed | hardware selectable|
*
* Output port 1(Pinter register bits = 0x03)
*
* P1_[7~0] = 0xf4
* P1_0 <---> CFG_MUX_QSPI_S0
* P1_1 <---> CFG_MUX_QSPI_S1
* CFG_MUX_QSPI_S[1:0] = 0b00
*
* QSPI chip-select demultiplexer select
* ---------------------------------------------------------------------
* CFG_MUX_QSPI_S1|CFG_MUX_QSPI_S0| Values
* ---------------------------------------------------------------------
* 0 | 0 |CS routed to SPI memory bank1(default)
* ---------------------------------------------------------------------
* 0 | 1 |CS routed to SPI memory bank2
* ---------------------------------------------------------------------
*
*/
ret = dm_i2c_write(dev, offset_addr, &data, 1);
#else /* Non DM I2C support - will be removed */
i2c_set_bus_num(bus_num);
ret = i2c_write(chip_addr, offset_addr, 1, &data, 1);
#endif
if (ret) {
printf("i2c write error to chip : %u, addr : %u, data : %u\n",
chip_addr, offset_addr, data);
}
return ret;
}
static int switch_to_bank2(void)
{
u8 data[2] = {0xfc, 0xf5}, offset_addr[2] = {0x7, 0x3};
u8 chip_addr = 0x24;
int ret, i, bus_num = 0;
#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
ret = i2c_get_chip_for_busnum(bus_num, chip_addr,
1, &dev);
if (ret) {
printf("%s: Cannot find udev for a bus %d\n", __func__,
bus_num);
return -ENXIO;
}
#else /* Non DM I2C support - will be removed */
i2c_set_bus_num(bus_num);
#endif
/*
* 1th step: config port 1
* - the port 1 pin is enabled as an output
* 2th step: output port 1
* - P1_[7:0] output 0xf5,
* then CFG_MUX_QSPI_S[1:0] equal to 0b01,
* CS routed to SPI memory bank2
*/
for (i = 0; i < sizeof(data); i++) {
#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_write(dev, offset_addr[i], &data[i], 1);
#else /* Non DM I2C support - will be removed */
ret = i2c_write(chip_addr, offset_addr[i], 1, &data[i], 1);
#endif
if (ret) {
printf("i2c write error to chip : %u, addr : %u, data : %u\n",
chip_addr, offset_addr[i], data[i]);
goto err;
}
}
err:
return ret;
}
static int convert_flash_bank(int bank)
{
int ret = 0;
switch (bank) {
case BOOT_FROM_UPPER_BANK:
ret = switch_to_bank2();
break;
case BOOT_FROM_LOWER_BANK:
ret = switch_to_bank1();
break;
default:
ret = CMD_RET_USAGE;
break;
};
return ret;
}
static int flash_bank_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
if (argc != 2)
return CMD_RET_USAGE;
if (strcmp(argv[1], "1") == 0)
convert_flash_bank(BOOT_FROM_LOWER_BANK);
else if (strcmp(argv[1], "2") == 0)
convert_flash_bank(BOOT_FROM_UPPER_BANK);
else
return CMD_RET_USAGE;
return 0;
}
U_BOOT_CMD(
boot_bank, 2, 0, flash_bank_cmd,
"Flash bank Selection Control",
"bank[1-lower bank/2-upper bank] (e.g. boot_bank 1)"
);