diff options
Diffstat (limited to 'board/freescale/lx2160a/lx2160a.c')
| -rw-r--r-- | board/freescale/lx2160a/lx2160a.c | 574 |
1 files changed, 574 insertions, 0 deletions
diff --git a/board/freescale/lx2160a/lx2160a.c b/board/freescale/lx2160a/lx2160a.c new file mode 100644 index 00000000000..3875d045438 --- /dev/null +++ b/board/freescale/lx2160a/lx2160a.c @@ -0,0 +1,574 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2018-2019 NXP + */ + +#include <common.h> +#include <dm.h> +#include <dm/platform_data/serial_pl01x.h> +#include <i2c.h> +#include <malloc.h> +#include <errno.h> +#include <netdev.h> +#include <fsl_ddr.h> +#include <fsl_sec.h> +#include <asm/io.h> +#include <fdt_support.h> +#include <linux/libfdt.h> +#include <fsl-mc/fsl_mc.h> +#include <environment.h> +#include <efi_loader.h> +#include <asm/arch/mmu.h> +#include <hwconfig.h> +#include <asm/arch/fsl_serdes.h> +#include <asm/arch/soc.h> +#include "../common/qixis.h" +#include "../common/vid.h" +#include <fsl_immap.h> + +#ifdef CONFIG_EMC2305 +#include "../common/emc2305.h" +#endif + +#ifdef CONFIG_TARGET_LX2160AQDS +#define CFG_MUX_I2C_SDHC(reg, value) ((reg & 0x3f) | value) +#define SET_CFG_MUX1_SDHC1_SDHC(reg) (reg & 0x3f) +#define SET_CFG_MUX2_SDHC1_SPI(reg, value) ((reg & 0xcf) | value) +#define SET_CFG_MUX3_SDHC1_SPI(reg, value) ((reg & 0xf8) | value) +#define SET_CFG_MUX_SDHC2_DSPI(reg, value) ((reg & 0xf8) | value) +#define SET_CFG_MUX1_SDHC1_DSPI(reg, value) ((reg & 0x3f) | value) +#define SDHC1_BASE_PMUX_DSPI 2 +#define SDHC2_BASE_PMUX_DSPI 2 +#define IIC5_PMUX_SPI3 3 +#endif /* CONFIG_TARGET_LX2160AQDS */ + +DECLARE_GLOBAL_DATA_PTR; + +static struct pl01x_serial_platdata serial0 = { +#if CONFIG_CONS_INDEX == 0 + .base = CONFIG_SYS_SERIAL0, +#elif CONFIG_CONS_INDEX == 1 + .base = CONFIG_SYS_SERIAL1, +#else +#error "Unsupported console index value." +#endif + .type = TYPE_PL011, +}; + +U_BOOT_DEVICE(nxp_serial0) = { + .name = "serial_pl01x", + .platdata = &serial0, +}; + +static struct pl01x_serial_platdata serial1 = { + .base = CONFIG_SYS_SERIAL1, + .type = TYPE_PL011, +}; + +U_BOOT_DEVICE(nxp_serial1) = { + .name = "serial_pl01x", + .platdata = &serial1, +}; + +int select_i2c_ch_pca9547(u8 ch) +{ + int ret; + + ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1); + if (ret) { + puts("PCA: failed to select proper channel\n"); + return ret; + } + + return 0; +} + +static void uart_get_clock(void) +{ + serial0.clock = get_serial_clock(); + serial1.clock = get_serial_clock(); +} + +int board_early_init_f(void) +{ +#ifdef CONFIG_SYS_I2C_EARLY_INIT + i2c_early_init_f(); +#endif + /* get required clock for UART IP */ + uart_get_clock(); + +#ifdef CONFIG_EMC2305 + select_i2c_ch_pca9547(I2C_MUX_CH_EMC2305); + emc2305_init(); + set_fan_speed(I2C_EMC2305_PWM); + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); +#endif + + fsl_lsch3_early_init_f(); + return 0; +} + +#if defined(CONFIG_TARGET_LX2160AQDS) +void esdhc_dspi_status_fixup(void *blob) +{ + const char esdhc0_path[] = "/soc/esdhc@2140000"; + const char esdhc1_path[] = "/soc/esdhc@2150000"; + const char dspi0_path[] = "/soc/dspi@2100000"; + const char dspi1_path[] = "/soc/dspi@2110000"; + const char dspi2_path[] = "/soc/dspi@2120000"; + + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + u32 sdhc1_base_pmux; + u32 sdhc2_base_pmux; + u32 iic5_pmux; + + /* Check RCW field sdhc1_base_pmux to enable/disable + * esdhc0/dspi0 DT node + */ + sdhc1_base_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR12_REGSR - 1]) + & FSL_CHASSIS3_SDHC1_BASE_PMUX_MASK; + sdhc1_base_pmux >>= FSL_CHASSIS3_SDHC1_BASE_PMUX_SHIFT; + + if (sdhc1_base_pmux == SDHC1_BASE_PMUX_DSPI) { + do_fixup_by_path(blob, dspi0_path, "status", "okay", + sizeof("okay"), 1); + do_fixup_by_path(blob, esdhc0_path, "status", "disabled", + sizeof("disabled"), 1); + } else { + do_fixup_by_path(blob, esdhc0_path, "status", "okay", + sizeof("okay"), 1); + do_fixup_by_path(blob, dspi0_path, "status", "disabled", + sizeof("disabled"), 1); + } + + /* Check RCW field sdhc2_base_pmux to enable/disable + * esdhc1/dspi1 DT node + */ + sdhc2_base_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR13_REGSR - 1]) + & FSL_CHASSIS3_SDHC2_BASE_PMUX_MASK; + sdhc2_base_pmux >>= FSL_CHASSIS3_SDHC2_BASE_PMUX_SHIFT; + + if (sdhc2_base_pmux == SDHC2_BASE_PMUX_DSPI) { + do_fixup_by_path(blob, dspi1_path, "status", "okay", + sizeof("okay"), 1); + do_fixup_by_path(blob, esdhc1_path, "status", "disabled", + sizeof("disabled"), 1); + } else { + do_fixup_by_path(blob, esdhc1_path, "status", "okay", + sizeof("okay"), 1); + do_fixup_by_path(blob, dspi1_path, "status", "disabled", + sizeof("disabled"), 1); + } + + /* Check RCW field IIC5 to enable dspi2 DT node */ + iic5_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR12_REGSR - 1]) + & FSL_CHASSIS3_IIC5_PMUX_MASK; + iic5_pmux >>= FSL_CHASSIS3_IIC5_PMUX_SHIFT; + + if (iic5_pmux == IIC5_PMUX_SPI3) { + do_fixup_by_path(blob, dspi2_path, "status", "okay", + sizeof("okay"), 1); + } +} +#endif + +int esdhc_status_fixup(void *blob, const char *compat) +{ +#if defined(CONFIG_TARGET_LX2160AQDS) + /* Enable esdhc and dspi DT nodes based on RCW fields */ + esdhc_dspi_status_fixup(blob); +#else + /* Enable both esdhc DT nodes for LX2160ARDB */ + do_fixup_by_compat(blob, compat, "status", "okay", + sizeof("okay"), 1); +#endif + return 0; +} + +#if defined(CONFIG_VID) +int i2c_multiplexer_select_vid_channel(u8 channel) +{ + return select_i2c_ch_pca9547(channel); +} + +int init_func_vid(void) +{ + if (adjust_vdd(0) < 0) + printf("core voltage not adjusted\n"); + + return 0; +} +#endif + +int checkboard(void) +{ + enum boot_src src = get_boot_src(); + char buf[64]; + u8 sw; +#ifdef CONFIG_TARGET_LX2160AQDS + int clock; + static const char *const freq[] = {"100", "125", "156.25", + "161.13", "322.26", "", "", "", + "", "", "", "", "", "", "", + "100 separate SSCG"}; +#endif + + cpu_name(buf); +#ifdef CONFIG_TARGET_LX2160AQDS + printf("Board: %s-QDS, ", buf); +#else + printf("Board: %s-RDB, ", buf); +#endif + + sw = QIXIS_READ(arch); + printf("Board version: %c, boot from ", (sw & 0xf) - 1 + 'A'); + + if (src == BOOT_SOURCE_SD_MMC) { + puts("SD\n"); + } else { + sw = QIXIS_READ(brdcfg[0]); + sw = (sw >> QIXIS_XMAP_SHIFT) & QIXIS_XMAP_MASK; + switch (sw) { + case 0: + case 4: + puts("FlexSPI DEV#0\n"); + break; + case 1: + puts("FlexSPI DEV#1\n"); + break; + case 2: + case 3: + puts("FlexSPI EMU\n"); + break; + default: + printf("invalid setting, xmap: %d\n", sw); + break; + } + } +#ifdef CONFIG_TARGET_LX2160AQDS + printf("FPGA: v%d (%s), build %d", + (int)QIXIS_READ(scver), qixis_read_tag(buf), + (int)qixis_read_minor()); + /* the timestamp string contains "\n" at the end */ + printf(" on %s", qixis_read_time(buf)); + + puts("SERDES1 Reference : "); + sw = QIXIS_READ(brdcfg[2]); + clock = sw >> 4; + printf("Clock1 = %sMHz ", freq[clock]); + clock = sw & 0x0f; + printf("Clock2 = %sMHz", freq[clock]); + + sw = QIXIS_READ(brdcfg[3]); + puts("\nSERDES2 Reference : "); + clock = sw >> 4; + printf("Clock1 = %sMHz ", freq[clock]); + clock = sw & 0x0f; + printf("Clock2 = %sMHz", freq[clock]); + + sw = QIXIS_READ(brdcfg[12]); + puts("\nSERDES3 Reference : "); + clock = sw >> 4; + printf("Clock1 = %sMHz Clock2 = %sMHz\n", freq[clock], freq[clock]); +#else + printf("FPGA: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata)); + + puts("SERDES1 Reference: Clock1 = 161.13MHz Clock2 = 161.13MHz\n"); + puts("SERDES2 Reference: Clock1 = 100MHz Clock2 = 100MHz\n"); + puts("SERDES3 Reference: Clock1 = 100MHz Clock2 = 100Hz\n"); +#endif + return 0; +} + +#ifdef CONFIG_TARGET_LX2160AQDS +/* + * implementation of CONFIG_ESDHC_DETECT_QUIRK Macro. + */ +u8 qixis_esdhc_detect_quirk(void) +{ + /* for LX2160AQDS res1[1] @ offset 0x1A is SDHC1 Control/Status (SDHC1) + * SDHC1 Card ID: + * Specifies the type of card installed in the SDHC1 adapter slot. + * 000= (reserved) + * 001= eMMC V4.5 adapter is installed. + * 010= SD/MMC 3.3V adapter is installed. + * 011= eMMC V4.4 adapter is installed. + * 100= eMMC V5.0 adapter is installed. + * 101= MMC card/Legacy (3.3V) adapter is installed. + * 110= SDCard V2/V3 adapter installed. + * 111= no adapter is installed. + */ + return ((QIXIS_READ(res1[1]) & QIXIS_SDID_MASK) != + QIXIS_ESDHC_NO_ADAPTER); +} + +int config_board_mux(void) +{ + u8 reg11, reg5, reg13; + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + u32 sdhc1_base_pmux; + u32 sdhc2_base_pmux; + u32 iic5_pmux; + + /* Routes {I2C2_SCL, I2C2_SDA} to SDHC1 as {SDHC1_CD_B, SDHC1_WP}. + * Routes {I2C3_SCL, I2C3_SDA} to CAN transceiver as {CAN1_TX,CAN1_RX}. + * Routes {I2C4_SCL, I2C4_SDA} to CAN transceiver as {CAN2_TX,CAN2_RX}. + * Qixis and remote systems are isolated from the I2C1 bus. + * Processor connections are still available. + * SPI2 CS2_B controls EN25S64 SPI memory device. + * SPI3 CS2_B controls EN25S64 SPI memory device. + * EC2 connects to PHY #2 using RGMII protocol. + * CLK_OUT connects to FPGA for clock measurement. + */ + + reg5 = QIXIS_READ(brdcfg[5]); + reg5 = CFG_MUX_I2C_SDHC(reg5, 0x40); + QIXIS_WRITE(brdcfg[5], reg5); + + /* Check RCW field sdhc1_base_pmux + * esdhc0 : sdhc1_base_pmux = 0 + * dspi0 : sdhc1_base_pmux = 2 + */ + sdhc1_base_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR12_REGSR - 1]) + & FSL_CHASSIS3_SDHC1_BASE_PMUX_MASK; + sdhc1_base_pmux >>= FSL_CHASSIS3_SDHC1_BASE_PMUX_SHIFT; + + if (sdhc1_base_pmux == SDHC1_BASE_PMUX_DSPI) { + reg11 = QIXIS_READ(brdcfg[11]); + reg11 = SET_CFG_MUX1_SDHC1_DSPI(reg11, 0x40); + QIXIS_WRITE(brdcfg[11], reg11); + } else { + /* - Routes {SDHC1_CMD, SDHC1_CLK } to SDHC1 adapter slot. + * {SDHC1_DAT3, SDHC1_DAT2} to SDHC1 adapter slot. + * {SDHC1_DAT1, SDHC1_DAT0} to SDHC1 adapter slot. + */ + reg11 = QIXIS_READ(brdcfg[11]); + reg11 = SET_CFG_MUX1_SDHC1_SDHC(reg11); + QIXIS_WRITE(brdcfg[11], reg11); + } + + /* Check RCW field sdhc2_base_pmux + * esdhc1 : sdhc2_base_pmux = 0 (default) + * dspi1 : sdhc2_base_pmux = 2 + */ + sdhc2_base_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR13_REGSR - 1]) + & FSL_CHASSIS3_SDHC2_BASE_PMUX_MASK; + sdhc2_base_pmux >>= FSL_CHASSIS3_SDHC2_BASE_PMUX_SHIFT; + + if (sdhc2_base_pmux == SDHC2_BASE_PMUX_DSPI) { + reg13 = QIXIS_READ(brdcfg[13]); + reg13 = SET_CFG_MUX_SDHC2_DSPI(reg13, 0x01); + QIXIS_WRITE(brdcfg[13], reg13); + } else { + reg13 = QIXIS_READ(brdcfg[13]); + reg13 = SET_CFG_MUX_SDHC2_DSPI(reg13, 0x00); + QIXIS_WRITE(brdcfg[13], reg13); + } + + /* Check RCW field IIC5 to enable dspi2 DT nodei + * dspi2: IIC5 = 3 + */ + iic5_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR12_REGSR - 1]) + & FSL_CHASSIS3_IIC5_PMUX_MASK; + iic5_pmux >>= FSL_CHASSIS3_IIC5_PMUX_SHIFT; + + if (iic5_pmux == IIC5_PMUX_SPI3) { + /* - Routes {SDHC1_DAT4} to SPI3 devices as {SPI3_M_CS0_B}. */ + reg11 = QIXIS_READ(brdcfg[11]); + reg11 = SET_CFG_MUX2_SDHC1_SPI(reg11, 0x10); + QIXIS_WRITE(brdcfg[11], reg11); + + /* - Routes {SDHC1_DAT5, SDHC1_DAT6} nowhere. + * {SDHC1_DAT7, SDHC1_DS } to {nothing, SPI3_M0_CLK }. + * {I2C5_SCL, I2C5_SDA } to {SPI3_M0_MOSI, SPI3_M0_MISO}. + */ + reg11 = QIXIS_READ(brdcfg[11]); + reg11 = SET_CFG_MUX3_SDHC1_SPI(reg11, 0x01); + QIXIS_WRITE(brdcfg[11], reg11); + } else { + /* Routes {SDHC1_DAT4} to SDHC1 adapter slot */ + reg11 = QIXIS_READ(brdcfg[11]); + reg11 = SET_CFG_MUX2_SDHC1_SPI(reg11, 0x00); + QIXIS_WRITE(brdcfg[11], reg11); + + /* - Routes {SDHC1_DAT5, SDHC1_DAT6} to SDHC1 adapter slot. + * {SDHC1_DAT7, SDHC1_DS } to SDHC1 adapter slot. + * {I2C5_SCL, I2C5_SDA } to SDHC1 adapter slot. + */ + reg11 = QIXIS_READ(brdcfg[11]); + reg11 = SET_CFG_MUX3_SDHC1_SPI(reg11, 0x00); + QIXIS_WRITE(brdcfg[11], reg11); + } + + return 0; +} +#else +int config_board_mux(void) +{ + return 0; +} +#endif + +unsigned long get_board_sys_clk(void) +{ +#ifdef CONFIG_TARGET_LX2160AQDS + u8 sysclk_conf = QIXIS_READ(brdcfg[1]); + + switch (sysclk_conf & 0x03) { + case QIXIS_SYSCLK_100: + return 100000000; + case QIXIS_SYSCLK_125: + return 125000000; + case QIXIS_SYSCLK_133: + return 133333333; + } + return 100000000; +#else + return 100000000; +#endif +} + +unsigned long get_board_ddr_clk(void) +{ +#ifdef CONFIG_TARGET_LX2160AQDS + u8 ddrclk_conf = QIXIS_READ(brdcfg[1]); + + switch ((ddrclk_conf & 0x30) >> 4) { + case QIXIS_DDRCLK_100: + return 100000000; + case QIXIS_DDRCLK_125: + return 125000000; + case QIXIS_DDRCLK_133: + return 133333333; + } + return 100000000; +#else + return 100000000; +#endif +} + +int board_init(void) +{ +#ifdef CONFIG_ENV_IS_NOWHERE + gd->env_addr = (ulong)&default_environment[0]; +#endif + + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); + +#ifdef CONFIG_FSL_CAAM + sec_init(); +#endif + + return 0; +} + +void detail_board_ddr_info(void) +{ + int i; + u64 ddr_size = 0; + + puts("\nDDR "); + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) + ddr_size += gd->bd->bi_dram[i].size; + print_size(ddr_size, ""); + print_ddr_info(0); +} + +#if defined(CONFIG_ARCH_MISC_INIT) +int arch_misc_init(void) +{ + config_board_mux(); + + return 0; +} +#endif + +#ifdef CONFIG_FSL_MC_ENET +extern int fdt_fixup_board_phy(void *fdt); + +void fdt_fixup_board_enet(void *fdt) +{ + int offset; + + offset = fdt_path_offset(fdt, "/soc/fsl-mc"); + + if (offset < 0) + offset = fdt_path_offset(fdt, "/fsl-mc"); + + if (offset < 0) { + printf("%s: fsl-mc node not found in device tree (error %d)\n", + __func__, offset); + return; + } + + if ((get_mc_boot_status() == 0) && (get_dpl_apply_status() == 0)) { + fdt_status_okay(fdt, offset); + fdt_fixup_board_phy(fdt); + } else { + fdt_status_fail(fdt, offset); + } +} + +void board_quiesce_devices(void) +{ + fsl_mc_ldpaa_exit(gd->bd); +} +#endif + +#ifdef CONFIG_OF_BOARD_SETUP + +int ft_board_setup(void *blob, bd_t *bd) +{ + int i; + u64 base[CONFIG_NR_DRAM_BANKS]; + u64 size[CONFIG_NR_DRAM_BANKS]; + + ft_cpu_setup(blob, bd); + + /* fixup DT for the three GPP DDR banks */ + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + base[i] = gd->bd->bi_dram[i].start; + size[i] = gd->bd->bi_dram[i].size; + } + +#ifdef CONFIG_RESV_RAM + /* reduce size if reserved memory is within this bank */ + if (gd->arch.resv_ram >= base[0] && + gd->arch.resv_ram < base[0] + size[0]) + size[0] = gd->arch.resv_ram - base[0]; + else if (gd->arch.resv_ram >= base[1] && + gd->arch.resv_ram < base[1] + size[1]) + size[1] = gd->arch.resv_ram - base[1]; + else if (gd->arch.resv_ram >= base[2] && + gd->arch.resv_ram < base[2] + size[2]) + size[2] = gd->arch.resv_ram - base[2]; +#endif + + fdt_fixup_memory_banks(blob, base, size, CONFIG_NR_DRAM_BANKS); + +#ifdef CONFIG_USB + fsl_fdt_fixup_dr_usb(blob, bd); +#endif + +#ifdef CONFIG_FSL_MC_ENET + fdt_fsl_mc_fixup_iommu_map_entry(blob); + fdt_fixup_board_enet(blob); +#endif + + return 0; +} +#endif + +void qixis_dump_switch(void) +{ + int i, nr_of_cfgsw; + + QIXIS_WRITE(cms[0], 0x00); + nr_of_cfgsw = QIXIS_READ(cms[1]); + + puts("DIP switch settings dump:\n"); + for (i = 1; i <= nr_of_cfgsw; i++) { + QIXIS_WRITE(cms[0], i); + printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1])); + } +} |