| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Traverse Ten64 Family board |
| * Copyright 2017-2018 NXP |
| * Copyright 2019-2021 Traverse Technologies |
| */ |
| #include <common.h> |
| #include <display_options.h> |
| #include <dm/uclass.h> |
| #include <env.h> |
| #include <i2c.h> |
| #include <init.h> |
| #include <log.h> |
| #include <malloc.h> |
| #include <errno.h> |
| #include <misc.h> |
| #include <netdev.h> |
| #include <fsl_ifc.h> |
| #include <fsl_ddr.h> |
| #include <fsl_sec.h> |
| #include <asm/global_data.h> |
| #include <asm/io.h> |
| #include <fdt_support.h> |
| #include <linux/delay.h> |
| #include <linux/libfdt.h> |
| #include <fsl-mc/fsl_mc.h> |
| #include <env_internal.h> |
| #include <asm/arch-fsl-layerscape/soc.h> |
| #include <asm/arch/ppa.h> |
| #include <hwconfig.h> |
| #include <asm/arch/fsl_serdes.h> |
| #include <asm/arch/soc.h> |
| #include <asm/arch-fsl-layerscape/fsl_icid.h> |
| |
| #include <fsl_immap.h> |
| |
| #include "../common/ten64-controller.h" |
| |
| #define I2C_RETIMER_ADDR 0x27 |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| static int ten64_read_board_info(struct t64uc_board_info *); |
| static void ten64_set_macaddrs_from_board_info(struct t64uc_board_info *); |
| static void ten64_board_retimer_ds110df410_init(void); |
| |
| enum { |
| TEN64_BOARD_REV_A = 0xFF, |
| TEN64_BOARD_REV_B = 0xFE, |
| TEN64_BOARD_REV_C = 0xFD, |
| TEN64_BOARD_REV_D = 0xFC, |
| TEN64_BOARD_MAX |
| }; |
| |
| #define RESV_MEM_IN_BANK(b) (gd->arch.resv_ram >= base[b] && \ |
| gd->arch.resv_ram < base[b] + size[b]) |
| |
| int board_early_init_f(void) |
| { |
| fsl_lsch3_early_init_f(); |
| return 0; |
| } |
| |
| static u32 ten64_get_board_rev(void) |
| { |
| struct ccsr_gur *dcfg = (void *)CFG_SYS_FSL_GUTS_ADDR; |
| u32 board_rev_in = in_le32(&dcfg->gpporcr1); |
| return board_rev_in; |
| } |
| |
| int checkboard(void) |
| { |
| enum boot_src src = get_boot_src(); |
| char boardmodel[32]; |
| struct t64uc_board_info boardinfo; |
| u32 board_rev = ten64_get_board_rev(); |
| |
| switch (board_rev) { |
| case TEN64_BOARD_REV_A: |
| snprintf(boardmodel, 32, "A (Alpha)"); |
| break; |
| case TEN64_BOARD_REV_B: |
| snprintf(boardmodel, 32, "B (Beta)"); |
| break; |
| case TEN64_BOARD_REV_C: |
| snprintf(boardmodel, 32, "C"); |
| break; |
| case TEN64_BOARD_REV_D: |
| snprintf(boardmodel, 32, "D"); |
| break; |
| default: |
| snprintf(boardmodel, 32, " Revision %X", (0xFF - board_rev)); |
| break; |
| } |
| |
| printf("Board: 1064-0201%s, boot from ", boardmodel); |
| |
| if (src == BOOT_SOURCE_SD_MMC) |
| puts("SD card\n"); |
| else if (src == BOOT_SOURCE_QSPI_NOR) |
| puts("QSPI\n"); |
| else |
| printf("Unknown boot source %d\n", src); |
| |
| puts("Controller: "); |
| if (IS_ENABLED(CONFIG_TEN64_CONTROLLER)) { |
| /* Driver not compatible with alpha/beta board MCU firmware */ |
| if (board_rev <= TEN64_BOARD_REV_C) { |
| if (ten64_read_board_info(&boardinfo)) { |
| puts("ERROR: unable to communicate\n"); |
| } else { |
| printf("firmware %d.%d.%d\n", |
| boardinfo.fwversion_major, |
| boardinfo.fwversion_minor, |
| boardinfo.fwversion_patch); |
| ten64_set_macaddrs_from_board_info(&boardinfo); |
| } |
| } else { |
| puts("not supported on this board revision\n"); |
| } |
| } else { |
| puts("driver not enabled (no MAC addresses or other information will be read)\n"); |
| } |
| |
| return 0; |
| } |
| |
| int board_init(void) |
| { |
| init_final_memctl_regs(); |
| |
| if (IS_ENABLED(CONFIG_FSL_CAAM)) |
| sec_init(); |
| |
| return 0; |
| } |
| |
| int fsl_initdram(void) |
| { |
| gd->ram_size = tfa_get_dram_size(); |
| |
| if (!gd->ram_size) |
| gd->ram_size = fsl_ddr_sdram_size(); |
| |
| return 0; |
| } |
| |
| void detail_board_ddr_info(void) |
| { |
| puts("\nDDR "); |
| print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, ""); |
| print_ddr_info(0); |
| } |
| |
| void board_quiesce_devices(void) |
| { |
| if (IS_ENABLED(CONFIG_FSL_MC_ENET)) |
| fsl_mc_ldpaa_exit(gd->bd); |
| } |
| |
| void fdt_fixup_board_enet(void *fdt) |
| { |
| int offset; |
| |
| offset = fdt_path_offset(fdt, "/fsl-mc"); |
| |
| if (offset < 0) |
| offset = fdt_path_offset(fdt, "/soc/fsl-mc"); |
| |
| if (offset < 0) { |
| printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n", |
| __func__, offset); |
| return; |
| } |
| |
| if (get_mc_boot_status() == 0 && |
| (is_lazy_dpl_addr_valid() || get_dpl_apply_status() == 0)) |
| fdt_status_okay(fdt, offset); |
| else |
| fdt_status_fail(fdt, offset); |
| } |
| |
| /* Called after SoC board_late_init in fsl-layerscape/soc.c */ |
| int fsl_board_late_init(void) |
| { |
| ten64_board_retimer_ds110df410_init(); |
| return 0; |
| } |
| |
| int ft_board_setup(void *blob, struct bd_info *bd) |
| { |
| int i; |
| u16 mc_memory_bank = 0; |
| |
| u64 *base; |
| u64 *size; |
| u64 mc_memory_base = 0; |
| u64 mc_memory_size = 0; |
| u16 total_memory_banks; |
| |
| debug("%s blob=0x%p\n", __func__, blob); |
| |
| ft_cpu_setup(blob, bd); |
| |
| fdt_fixup_mc_ddr(&mc_memory_base, &mc_memory_size); |
| |
| if (mc_memory_base != 0) |
| mc_memory_bank++; |
| |
| total_memory_banks = CONFIG_NR_DRAM_BANKS + mc_memory_bank; |
| |
| base = calloc(total_memory_banks, sizeof(u64)); |
| size = calloc(total_memory_banks, sizeof(u64)); |
| |
| /* fixup DT for the two 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; |
| /* reduce size if reserved memory is within this bank */ |
| if (IS_ENABLED(CONFIG_RESV_RAM) && RESV_MEM_IN_BANK(i)) |
| size[i] = gd->arch.resv_ram - base[i]; |
| } |
| |
| if (mc_memory_base != 0) { |
| for (i = 0; i <= total_memory_banks; i++) { |
| if (base[i] == 0 && size[i] == 0) { |
| base[i] = mc_memory_base; |
| size[i] = mc_memory_size; |
| break; |
| } |
| } |
| } |
| |
| fdt_fixup_memory_banks(blob, base, size, total_memory_banks); |
| |
| fdt_fsl_mc_fixup_iommu_map_entry(blob); |
| |
| if (IS_ENABLED(CONFIG_FSL_MC_ENET)) |
| fdt_fixup_board_enet(blob); |
| |
| fdt_fixup_icid(blob); |
| |
| return 0; |
| } |
| |
| #define MACADDRBITS(a, b) (u8)(((a) >> (b)) & 0xFF) |
| |
| /** Probe and return a udevice for the Ten64 board microcontroller. |
| * Optionally, return the I2C bus the microcontroller resides on |
| * @i2c_bus_out: return I2C bus device handle in this pointer |
| */ |
| static int ten64_get_micro_udevice(struct udevice **ucdev, struct udevice **i2c_bus_out) |
| { |
| int ret; |
| struct udevice *i2cbus; |
| |
| ret = uclass_get_device_by_seq(UCLASS_I2C, 0, &i2cbus); |
| if (ret) { |
| printf("%s: Could not get I2C UCLASS", __func__); |
| return ret; |
| } |
| if (i2c_bus_out) |
| *i2c_bus_out = i2cbus; |
| |
| ret = dm_i2c_probe(i2cbus, 0x7E, DM_I2C_CHIP_RD_ADDRESS, ucdev); |
| if (ret) { |
| printf("%s: Could not get microcontroller device\n", __func__); |
| return ret; |
| } |
| return ret; |
| } |
| |
| static int ten64_read_board_info(struct t64uc_board_info *boardinfo) |
| { |
| struct udevice *ucdev; |
| int ret; |
| |
| ret = ten64_get_micro_udevice(&ucdev, NULL); |
| if (ret) |
| return ret; |
| |
| ret = misc_call(ucdev, TEN64_CNTRL_GET_BOARD_INFO, NULL, 0, (void *)boardinfo, 0); |
| if (ret) |
| return ret; |
| |
| return 0; |
| } |
| |
| static void ten64_set_macaddrs_from_board_info(struct t64uc_board_info *boardinfo) |
| { |
| char ethaddr[18]; |
| char enetvar[10]; |
| u8 intfidx, this_dpmac_num; |
| u64 macaddr = 0; |
| /* We will copy the MAC address returned from the |
| * uC (48 bits) into the u64 macaddr |
| */ |
| u8 *macaddr_bytes = (u8 *)&macaddr + 2; |
| |
| /** MAC addresses are allocated in order of the physical port numbers, |
| * DPMAC7->10 is "eth0" through "eth3" |
| * DPMAC3->6 is "eth4" through "eth7" |
| * DPMAC2 and 1 are "eth8" and "eth9" respectively |
| */ |
| int allocation_order[10] = {7, 8, 9, 10, 3, 4, 5, 6, 2, 1}; |
| |
| memcpy(macaddr_bytes, boardinfo->mac, 6); |
| /* MAC address bytes from uC are in big endian, |
| * convert to CPU |
| */ |
| macaddr = __be64_to_cpu(macaddr); |
| |
| for (intfidx = 0; intfidx < 10; intfidx++) { |
| snprintf(ethaddr, 18, "%02X:%02X:%02X:%02X:%02X:%02X", |
| MACADDRBITS(macaddr, 40), |
| MACADDRBITS(macaddr, 32), |
| MACADDRBITS(macaddr, 24), |
| MACADDRBITS(macaddr, 16), |
| MACADDRBITS(macaddr, 8), |
| MACADDRBITS(macaddr, 0)); |
| |
| this_dpmac_num = allocation_order[intfidx]; |
| printf("DPMAC%d: %s\n", this_dpmac_num, ethaddr); |
| snprintf(enetvar, 10, |
| (this_dpmac_num != 1) ? "eth%daddr" : "ethaddr", |
| this_dpmac_num - 1); |
| macaddr++; |
| |
| if (!env_get(enetvar)) |
| env_set(enetvar, ethaddr); |
| } |
| } |
| |
| /* The retimer (DS110DF410) is one of the devices without |
| * a RESET line, but a power switch is on the board |
| * allowing it to be reset via uC command |
| */ |
| static int board_cycle_retimer(struct udevice **retim_dev) |
| { |
| int ret; |
| u8 loop; |
| struct udevice *uc_dev; |
| struct udevice *i2cbus; |
| u32 board_rev = ten64_get_board_rev(); |
| |
| ret = ten64_get_micro_udevice(&uc_dev, &i2cbus); |
| if (ret) |
| return ret; |
| |
| /* Retimer power cycle not implemented on early board |
| * revisions/controller firmwares |
| */ |
| if (IS_ENABLED(CONFIG_TEN64_CONTROLLER) && |
| board_rev <= TEN64_BOARD_REV_C) { |
| ret = dm_i2c_probe(i2cbus, I2C_RETIMER_ADDR, 0, retim_dev); |
| if (ret == 0) { |
| puts("(retimer on, resetting...) "); |
| |
| ret = misc_call(uc_dev, TEN64_CNTRL_10G_OFF, NULL, 0, NULL, 0); |
| mdelay(1000); |
| } |
| |
| ret = misc_call(uc_dev, TEN64_CNTRL_10G_ON, NULL, 0, NULL, 0); |
| } |
| |
| // Wait for retimer to come back |
| for (loop = 0; loop < 5; loop++) { |
| ret = dm_i2c_probe(i2cbus, I2C_RETIMER_ADDR, 0, retim_dev); |
| if (ret == 0) |
| return 0; |
| mdelay(500); |
| } |
| |
| return -ENOSYS; |
| } |
| |
| /* ten64_board_retimer_ds110df410_init() - Configure the 10G retimer |
| * Adopted from the t102xqds board file |
| */ |
| static void ten64_board_retimer_ds110df410_init(void) |
| { |
| u8 reg; |
| int ret; |
| struct udevice *retim_dev; |
| |
| puts("Retimer: "); |
| |
| ret = board_cycle_retimer(&retim_dev); |
| if (ret) { |
| puts("Retimer power on failed\n"); |
| return; |
| } |
| |
| /* Access to Control/Shared register */ |
| reg = 0x0; |
| |
| ret = dm_i2c_write(retim_dev, 0xff, ®, 1); |
| if (ret) { |
| printf("Error writing to retimer register (error %d)\n", ret); |
| return; |
| } |
| |
| /* Read device revision and ID */ |
| dm_i2c_read(retim_dev, 1, ®, 1); |
| if (reg == 0xF0) |
| puts("DS110DF410 found\n"); |
| else |
| printf("Unknown retimer 0x%xn\n", reg); |
| |
| /* Enable Broadcast */ |
| reg = 0x0c; |
| dm_i2c_write(retim_dev, 0xff, ®, 1); |
| |
| /* Perform a full reset (state, channel and clock) |
| * for all channels |
| * as the DS110DF410 does not have a RESET line |
| */ |
| dm_i2c_read(retim_dev, 0, ®, 1); |
| reg |= 0x7; |
| dm_i2c_write(retim_dev, 0, ®, 1); |
| |
| /* Set rate/subrate = 0 */ |
| reg = 0x6; |
| dm_i2c_write(retim_dev, 0x2F, ®, 1); |
| |
| /* Set data rate as 10.3125 Gbps */ |
| reg = 0x0; |
| dm_i2c_write(retim_dev, 0x60, ®, 1); |
| reg = 0xb2; |
| dm_i2c_write(retim_dev, 0x61, ®, 1); |
| reg = 0x90; |
| dm_i2c_write(retim_dev, 0x62, ®, 1); |
| reg = 0xb3; |
| dm_i2c_write(retim_dev, 0x63, ®, 1); |
| reg = 0xff; |
| dm_i2c_write(retim_dev, 0x64, ®, 1); |
| |
| /* Invert channel 2 (Lower SFP TX to CPU) due to the SFP being inverted */ |
| reg = 0x05; |
| dm_i2c_write(retim_dev, 0xFF, ®, 1); |
| dm_i2c_read(retim_dev, 0x1F, ®, 1); |
| reg |= 0x80; |
| dm_i2c_write(retim_dev, 0x1F, ®, 1); |
| |
| puts("OK\n"); |
| } |