diff options
author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/freescale/ls1021atwr/ls1021atwr.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/freescale/ls1021atwr/ls1021atwr.c')
-rw-r--r-- | roms/u-boot/board/freescale/ls1021atwr/ls1021atwr.c | 747 |
1 files changed, 747 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/ls1021atwr/ls1021atwr.c b/roms/u-boot/board/freescale/ls1021atwr/ls1021atwr.c new file mode 100644 index 000000000..f0b441db6 --- /dev/null +++ b/roms/u-boot/board/freescale/ls1021atwr/ls1021atwr.c @@ -0,0 +1,747 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2019 NXP + */ + +#include <common.h> +#include <clock_legacy.h> +#include <command.h> +#include <fdt_support.h> +#include <i2c.h> +#include <init.h> +#include <net.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/arch/immap_ls102xa.h> +#include <asm/arch/clock.h> +#include <asm/arch/fsl_serdes.h> +#include <asm/arch/ls102xa_devdis.h> +#include <asm/arch/ls102xa_soc.h> +#include <hwconfig.h> +#include <mmc.h> +#include <fsl_csu.h> +#include <fsl_ifc.h> +#include <fsl_immap.h> +#include <netdev.h> +#include <fsl_mdio.h> +#include <tsec.h> +#include <fsl_sec.h> +#include <fsl_devdis.h> +#include <spl.h> +#include <linux/delay.h> +#include "../common/sleep.h" +#ifdef CONFIG_U_QE +#include <fsl_qe.h> +#endif +#include <fsl_validate.h> + + +DECLARE_GLOBAL_DATA_PTR; + +#define VERSION_MASK 0x00FF +#define BANK_MASK 0x0001 +#define CFG_RESET 0x1 +#define INIT_RESET 0x1 + +#define CPLD_SET_MUX_SERDES 0x20 +#define CPLD_SET_BOOT_BANK 0x40 + +#define BOOT_FROM_UPPER_BANK 0x0 +#define BOOT_FROM_LOWER_BANK 0x1 + +#define LANEB_SATA (0x01) +#define LANEB_SGMII1 (0x02) +#define LANEC_SGMII1 (0x04) +#define LANEC_PCIEX1 (0x08) +#define LANED_PCIEX2 (0x10) +#define LANED_SGMII2 (0x20) + +#define MASK_LANE_B 0x1 +#define MASK_LANE_C 0x2 +#define MASK_LANE_D 0x4 +#define MASK_SGMII 0x8 + +#define KEEP_STATUS 0x0 +#define NEED_RESET 0x1 + +#define SOFT_MUX_ON_I2C3_IFC 0x2 +#define SOFT_MUX_ON_CAN3_USB2 0x8 +#define SOFT_MUX_ON_QE_LCD 0x10 + +#define PIN_I2C3_IFC_MUX_I2C3 0x0 +#define PIN_I2C3_IFC_MUX_IFC 0x1 +#define PIN_CAN3_USB2_MUX_USB2 0x0 +#define PIN_CAN3_USB2_MUX_CAN3 0x1 +#define PIN_QE_LCD_MUX_LCD 0x0 +#define PIN_QE_LCD_MUX_QE 0x1 + +struct cpld_data { + u8 cpld_ver; /* cpld revision */ + u8 cpld_ver_sub; /* cpld sub revision */ + u8 pcba_ver; /* pcb revision number */ + u8 system_rst; /* reset system by cpld */ + u8 soft_mux_on; /* CPLD override physical switches Enable */ + u8 cfg_rcw_src1; /* Reset config word 1 */ + u8 cfg_rcw_src2; /* Reset config word 2 */ + u8 vbank; /* Flash bank selection Control */ + u8 gpio; /* GPIO for TWR-ELEV */ + u8 i2c3_ifc_mux; + u8 mux_spi2; + u8 can3_usb2_mux; /* CAN3 and USB2 Selection */ + u8 qe_lcd_mux; /* QE and LCD Selection */ + u8 serdes_mux; /* Multiplexed pins for SerDes Lanes */ + u8 global_rst; /* reset with init CPLD reg to default */ + u8 rev1; /* Reserved */ + u8 rev2; /* Reserved */ +}; + +#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) +static void cpld_show(void) +{ + struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); + + printf("CPLD: V%x.%x\nPCBA: V%x.0\nVBank: %d\n", + in_8(&cpld_data->cpld_ver) & VERSION_MASK, + in_8(&cpld_data->cpld_ver_sub) & VERSION_MASK, + in_8(&cpld_data->pcba_ver) & VERSION_MASK, + in_8(&cpld_data->vbank) & BANK_MASK); + +#ifdef CONFIG_DEBUG + printf("soft_mux_on =%x\n", + in_8(&cpld_data->soft_mux_on)); + printf("cfg_rcw_src1 =%x\n", + in_8(&cpld_data->cfg_rcw_src1)); + printf("cfg_rcw_src2 =%x\n", + in_8(&cpld_data->cfg_rcw_src2)); + printf("vbank =%x\n", + in_8(&cpld_data->vbank)); + printf("gpio =%x\n", + in_8(&cpld_data->gpio)); + printf("i2c3_ifc_mux =%x\n", + in_8(&cpld_data->i2c3_ifc_mux)); + printf("mux_spi2 =%x\n", + in_8(&cpld_data->mux_spi2)); + printf("can3_usb2_mux =%x\n", + in_8(&cpld_data->can3_usb2_mux)); + printf("qe_lcd_mux =%x\n", + in_8(&cpld_data->qe_lcd_mux)); + printf("serdes_mux =%x\n", + in_8(&cpld_data->serdes_mux)); +#endif +} +#endif + +int checkboard(void) +{ + puts("Board: LS1021ATWR\n"); +#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) + cpld_show(); +#endif + + return 0; +} + +void ddrmc_init(void) +{ + struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR; + u32 temp_sdram_cfg, tmp; + + out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG); + + out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS); + out_be32(&ddr->cs0_config, DDR_CS0_CONFIG); + + out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0); + out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1); + out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2); + out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3); + out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4); + out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5); + +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + out_be32(&ddr->sdram_cfg_2, + DDR_SDRAM_CFG_2 & ~SDRAM_CFG2_D_INIT); + out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE); + out_be32(&ddr->init_ext_addr, (1 << 31)); + + /* DRAM VRef will not be trained */ + out_be32(&ddr->ddr_cdr2, + DDR_DDR_CDR2 & ~DDR_CDR2_VREF_TRAIN_EN); + } else +#endif + { + out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2); + out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2); + } + + out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE); + out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2); + + out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL); + + out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL); + + out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2); + out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3); + + out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1); + + out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL); + out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL); + + out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2); + + /* DDR erratum A-009942 */ + tmp = in_be32(&ddr->debug[28]); + out_be32(&ddr->debug[28], tmp | 0x0070006f); + + udelay(1); + +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* enter self-refresh */ + temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2); + temp_sdram_cfg |= SDRAM_CFG2_FRC_SR; + out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg); + + temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN | SDRAM_CFG_BI); + } else +#endif + temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI); + + out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg); + +#ifdef CONFIG_DEEP_SLEEP + if (is_warm_boot()) { + /* exit self-refresh */ + temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2); + temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR; + out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg); + } +#endif +} + +int dram_init(void) +{ +#if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)) + ddrmc_init(); +#endif + + erratum_a008850_post(); + + gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); + +#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD) + fsl_dp_resume(); +#endif + + return 0; +} + +int board_eth_init(struct bd_info *bis) +{ + return pci_eth_init(bis); +} + +#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) +static void convert_serdes_mux(int type, int need_reset) +{ + char current_serdes; + struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); + + current_serdes = cpld_data->serdes_mux; + + switch (type) { + case LANEB_SATA: + current_serdes &= ~MASK_LANE_B; + break; + case LANEB_SGMII1: + current_serdes |= (MASK_LANE_B | MASK_SGMII | MASK_LANE_C); + break; + case LANEC_SGMII1: + current_serdes &= ~(MASK_LANE_B | MASK_SGMII | MASK_LANE_C); + break; + case LANED_SGMII2: + current_serdes |= MASK_LANE_D; + break; + case LANEC_PCIEX1: + current_serdes |= MASK_LANE_C; + break; + case (LANED_PCIEX2 | LANEC_PCIEX1): + current_serdes |= MASK_LANE_C; + current_serdes &= ~MASK_LANE_D; + break; + default: + printf("CPLD serdes MUX: unsupported MUX type 0x%x\n", type); + return; + } + + cpld_data->soft_mux_on |= CPLD_SET_MUX_SERDES; + cpld_data->serdes_mux = current_serdes; + + if (need_reset == 1) { + printf("Reset board to enable configuration\n"); + cpld_data->system_rst = CFG_RESET; + } +} + +int config_serdes_mux(void) +{ + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); + u32 protocol = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK; + + protocol >>= RCWSR4_SRDS1_PRTCL_SHIFT; + switch (protocol) { + case 0x10: + convert_serdes_mux(LANEB_SATA, KEEP_STATUS); + convert_serdes_mux(LANED_PCIEX2 | + LANEC_PCIEX1, KEEP_STATUS); + break; + case 0x20: + convert_serdes_mux(LANEB_SGMII1, KEEP_STATUS); + convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS); + convert_serdes_mux(LANED_SGMII2, KEEP_STATUS); + break; + case 0x30: + convert_serdes_mux(LANEB_SATA, KEEP_STATUS); + convert_serdes_mux(LANEC_SGMII1, KEEP_STATUS); + convert_serdes_mux(LANED_SGMII2, KEEP_STATUS); + break; + case 0x70: + convert_serdes_mux(LANEB_SATA, KEEP_STATUS); + convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS); + convert_serdes_mux(LANED_SGMII2, KEEP_STATUS); + break; + } + + return 0; +} +#endif + +#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) +int config_board_mux(void) +{ + struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); + int conflict_flag; + + conflict_flag = 0; + if (hwconfig("i2c3")) { + conflict_flag++; + cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC; + cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_I2C3; + } + + if (hwconfig("ifc")) { + conflict_flag++; + /* some signals can not enable simultaneous*/ + if (conflict_flag > 1) + goto conflict; + cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC; + cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_IFC; + } + + conflict_flag = 0; + if (hwconfig("usb2")) { + conflict_flag++; + cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2; + cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_USB2; + } + + if (hwconfig("can3")) { + conflict_flag++; + /* some signals can not enable simultaneous*/ + if (conflict_flag > 1) + goto conflict; + cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2; + cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_CAN3; + } + + conflict_flag = 0; + if (hwconfig("lcd")) { + conflict_flag++; + cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD; + cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_LCD; + } + + if (hwconfig("qe")) { + conflict_flag++; + /* some signals can not enable simultaneous*/ + if (conflict_flag > 1) + goto conflict; + cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD; + cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_QE; + } + + return 0; + +conflict: + printf("WARNING: pin conflict! MUX setting may failed!\n"); + return 0; +} +#endif + +int board_early_init_f(void) +{ + struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; + +#ifdef CONFIG_TSEC_ENET + /* clear BD & FR bits for BE BD's and frame data */ + clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR); + out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125); +#endif + +#ifdef CONFIG_FSL_IFC + init_early_memctl_regs(); +#endif + + arch_soc_init(); + +#if defined(CONFIG_DEEP_SLEEP) + if (is_warm_boot()) { + timer_init(); + dram_init(); + } +#endif + + return 0; +} + +#ifdef CONFIG_SPL_BUILD +void board_init_f(ulong dummy) +{ + void (*second_uboot)(void); + + /* Clear the BSS */ + memset(__bss_start, 0, __bss_end - __bss_start); + + get_clocks(); + +#if defined(CONFIG_DEEP_SLEEP) + if (is_warm_boot()) + fsl_dp_disable_console(); +#endif + + preloader_console_init(); + + timer_init(); + dram_init(); + + /* Allow OCRAM access permission as R/W */ +#ifdef CONFIG_LAYERSCAPE_NS_ACCESS + enable_layerscape_ns_access(); +#endif + + /* + * if it is woken up from deep sleep, then jump to second + * stage uboot and continue executing without recopying + * it from SD since it has already been reserved in memeory + * in last boot. + */ + if (is_warm_boot()) { + second_uboot = (void (*)(void))CONFIG_SYS_TEXT_BASE; + second_uboot(); + } + + board_init_r(NULL, 0); +} +#endif + +#ifdef CONFIG_DEEP_SLEEP +/* program the regulator (MC34VR500) to support deep sleep */ +void ls1twr_program_regulator(void) +{ + u8 i2c_device_id; + +#define LS1TWR_I2C_BUS_MC34VR500 1 +#define MC34VR500_ADDR 0x8 +#define MC34VR500_DEVICEID 0x4 +#define MC34VR500_DEVICEID_MASK 0x0f +#if CONFIG_IS_ENABLED(DM_I2C) + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(LS1TWR_I2C_BUS_MC34VR500, MC34VR500_ADDR, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + LS1TWR_I2C_BUS_MC34VR500); + return; + } + i2c_device_id = dm_i2c_reg_read(dev, 0x0) & + MC34VR500_DEVICEID_MASK; + if (i2c_device_id != MC34VR500_DEVICEID) { + printf("The regulator (MC34VR500) does not exist. The device does not support deep sleep.\n"); + return; + } + + dm_i2c_reg_write(dev, 0x31, 0x4); + dm_i2c_reg_write(dev, 0x4d, 0x4); + dm_i2c_reg_write(dev, 0x6d, 0x38); + dm_i2c_reg_write(dev, 0x6f, 0x37); + dm_i2c_reg_write(dev, 0x71, 0x30); +#else + unsigned int i2c_bus; + i2c_bus = i2c_get_bus_num(); + i2c_set_bus_num(LS1TWR_I2C_BUS_MC34VR500); + i2c_device_id = i2c_reg_read(MC34VR500_ADDR, 0x0) & + MC34VR500_DEVICEID_MASK; + if (i2c_device_id != MC34VR500_DEVICEID) { + printf("The regulator (MC34VR500) does not exist. The device does not support deep sleep.\n"); + return; + } + + i2c_reg_write(MC34VR500_ADDR, 0x31, 0x4); + i2c_reg_write(MC34VR500_ADDR, 0x4d, 0x4); + i2c_reg_write(MC34VR500_ADDR, 0x6d, 0x38); + i2c_reg_write(MC34VR500_ADDR, 0x6f, 0x37); + i2c_reg_write(MC34VR500_ADDR, 0x71, 0x30); + + i2c_set_bus_num(i2c_bus); +#endif +} +#endif + +int board_init(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A010315 + erratum_a010315(); +#endif + +#ifndef CONFIG_SYS_FSL_NO_SERDES + fsl_serdes_init(); +#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) + config_serdes_mux(); +#endif +#endif + + ls102xa_smmu_stream_id_init(); + +#ifdef CONFIG_U_QE + u_qe_init(); +#endif + +#ifdef CONFIG_DEEP_SLEEP + ls1twr_program_regulator(); +#endif + return 0; +} + +#if defined(CONFIG_SPL_BUILD) +void spl_board_init(void) +{ + ls102xa_smmu_stream_id_init(); +} +#endif + +#ifdef CONFIG_BOARD_LATE_INIT +int board_late_init(void) +{ +#ifdef CONFIG_CHAIN_OF_TRUST + fsl_setenv_chain_of_trust(); +#endif + + return 0; +} +#endif + +#if defined(CONFIG_MISC_INIT_R) +int misc_init_r(void) +{ +#ifdef CONFIG_FSL_DEVICE_DISABLE + device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl)); +#endif +#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) + config_board_mux(); +#endif + +#ifdef CONFIG_FSL_CAAM + return sec_init(); +#endif +} +#endif + +#if defined(CONFIG_DEEP_SLEEP) +void board_sleep_prepare(void) +{ +#ifdef CONFIG_LAYERSCAPE_NS_ACCESS + enable_layerscape_ns_access(); +#endif +} +#endif + +int ft_board_setup(void *blob, struct bd_info *bd) +{ + ft_cpu_setup(blob, bd); + +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif + + return 0; +} + +u8 flash_read8(void *addr) +{ + return __raw_readb(addr + 1); +} + +void flash_write16(u16 val, void *addr) +{ + u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00)); + + __raw_writew(shftval, addr); +} + +u16 flash_read16(void *addr) +{ + u16 val = __raw_readw(addr); + + return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00); +} + +#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) \ + && !defined(CONFIG_SPL_BUILD) +static void convert_flash_bank(char bank) +{ + struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); + + printf("Now switch to boot from flash bank %d.\n", bank); + cpld_data->soft_mux_on = CPLD_SET_BOOT_BANK; + cpld_data->vbank = bank; + + printf("Reset board to enable configuration.\n"); + cpld_data->system_rst = CFG_RESET; +} + +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], "0") == 0) + convert_flash_bank(BOOT_FROM_UPPER_BANK); + else if (strcmp(argv[1], "1") == 0) + convert_flash_bank(BOOT_FROM_LOWER_BANK); + else + return CMD_RET_USAGE; + + return 0; +} + +U_BOOT_CMD( + boot_bank, 2, 0, flash_bank_cmd, + "Flash bank Selection Control", + "bank[0-upper bank/1-lower bank] (e.g. boot_bank 0)" +); + +static int cpld_reset_cmd(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); + + if (argc > 2) + return CMD_RET_USAGE; + if ((argc == 1) || (strcmp(argv[1], "conf") == 0)) + cpld_data->system_rst = CFG_RESET; + else if (strcmp(argv[1], "init") == 0) + cpld_data->global_rst = INIT_RESET; + else + return CMD_RET_USAGE; + + return 0; +} + +U_BOOT_CMD( + cpld_reset, 2, 0, cpld_reset_cmd, + "Reset via CPLD", + "conf\n" + " -reset with current CPLD configuration\n" + "init\n" + " -reset and initial CPLD configuration with default value" + +); + +static void print_serdes_mux(void) +{ + char current_serdes; + struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE); + + current_serdes = cpld_data->serdes_mux; + + printf("Serdes Lane B: "); + if ((current_serdes & MASK_LANE_B) == 0) + printf("SATA,\n"); + else + printf("SGMII 1,\n"); + + printf("Serdes Lane C: "); + if ((current_serdes & MASK_LANE_C) == 0) + printf("SGMII 1,\n"); + else + printf("PCIe,\n"); + + printf("Serdes Lane D: "); + if ((current_serdes & MASK_LANE_D) == 0) + printf("PCIe,\n"); + else + printf("SGMII 2,\n"); + + printf("SGMII 1 is on lane "); + if ((current_serdes & MASK_SGMII) == 0) + printf("C.\n"); + else + printf("B.\n"); +} + +static int serdes_mux_cmd(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + if (argc != 2) + return CMD_RET_USAGE; + if (strcmp(argv[1], "sata") == 0) { + printf("Set serdes lane B to SATA.\n"); + convert_serdes_mux(LANEB_SATA, NEED_RESET); + } else if (strcmp(argv[1], "sgmii1b") == 0) { + printf("Set serdes lane B to SGMII 1.\n"); + convert_serdes_mux(LANEB_SGMII1, NEED_RESET); + } else if (strcmp(argv[1], "sgmii1c") == 0) { + printf("Set serdes lane C to SGMII 1.\n"); + convert_serdes_mux(LANEC_SGMII1, NEED_RESET); + } else if (strcmp(argv[1], "sgmii2") == 0) { + printf("Set serdes lane D to SGMII 2.\n"); + convert_serdes_mux(LANED_SGMII2, NEED_RESET); + } else if (strcmp(argv[1], "pciex1") == 0) { + printf("Set serdes lane C to PCIe X1.\n"); + convert_serdes_mux(LANEC_PCIEX1, NEED_RESET); + } else if (strcmp(argv[1], "pciex2") == 0) { + printf("Set serdes lane C & lane D to PCIe X2.\n"); + convert_serdes_mux((LANED_PCIEX2 | LANEC_PCIEX1), NEED_RESET); + } else if (strcmp(argv[1], "show") == 0) { + print_serdes_mux(); + } else { + return CMD_RET_USAGE; + } + + return 0; +} + +U_BOOT_CMD( + lane_bank, 2, 0, serdes_mux_cmd, + "Multiplexed function setting for SerDes Lanes", + "sata\n" + " -change lane B to sata\n" + "lane_bank sgmii1b\n" + " -change lane B to SGMII1\n" + "lane_bank sgmii1c\n" + " -change lane C to SGMII1\n" + "lane_bank sgmii2\n" + " -change lane D to SGMII2\n" + "lane_bank pciex1\n" + " -change lane C to PCIeX1\n" + "lane_bank pciex2\n" + " -change lane C & lane D to PCIeX2\n" + "\nWARNING: If you aren't familiar with the setting of serdes, don't try to change anything!\n" +); +#endif |