| /* |
| * Copyright 2014 Freescale Semiconductor, Inc. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <i2c.h> |
| #include <asm/io.h> |
| #include <asm/arch/immap_ls102xa.h> |
| #include <asm/arch/ns_access.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/fsl_serdes.h> |
| #include <asm/arch/ls102xa_stream_id.h> |
| #include <asm/pcie_layerscape.h> |
| #include <mmc.h> |
| #include <fsl_esdhc.h> |
| #include <fsl_ifc.h> |
| #include <netdev.h> |
| #include <fsl_mdio.h> |
| #include <tsec.h> |
| #include <fsl_sec.h> |
| #include <spl.h> |
| #ifdef CONFIG_U_QE |
| #include "../../../drivers/qe/qe.h" |
| #endif |
| |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define VERSION_MASK 0x00FF |
| #define BANK_MASK 0x0001 |
| #define CONFIG_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 |
| |
| 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 */ |
| }; |
| |
| #ifndef CONFIG_QSPI_BOOT |
| static void convert_serdes_mux(int type, int need_reset); |
| |
| 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"); |
| #ifndef CONFIG_QSPI_BOOT |
| cpld_show(); |
| #endif |
| |
| return 0; |
| } |
| |
| void ddrmc_init(void) |
| { |
| struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR; |
| |
| 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); |
| |
| out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2); |
| |
| 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->ddr_cdr2, DDR_DDR_CDR2); |
| |
| 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); |
| udelay(1); |
| out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | DDR_SDRAM_CFG_MEM_EN); |
| } |
| |
| int dram_init(void) |
| { |
| #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)) |
| ddrmc_init(); |
| #endif |
| |
| gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); |
| return 0; |
| } |
| |
| #ifdef CONFIG_FSL_ESDHC |
| struct fsl_esdhc_cfg esdhc_cfg[1] = { |
| {CONFIG_SYS_FSL_ESDHC_ADDR}, |
| }; |
| |
| int board_mmc_init(bd_t *bis) |
| { |
| esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); |
| |
| return fsl_esdhc_initialize(bis, &esdhc_cfg[0]); |
| } |
| #endif |
| |
| #ifdef CONFIG_TSEC_ENET |
| int board_eth_init(bd_t *bis) |
| { |
| struct fsl_pq_mdio_info mdio_info; |
| struct tsec_info_struct tsec_info[4]; |
| int num = 0; |
| |
| #ifdef CONFIG_TSEC1 |
| SET_STD_TSEC_INFO(tsec_info[num], 1); |
| if (is_serdes_configured(SGMII_TSEC1)) { |
| puts("eTSEC1 is in sgmii mode.\n"); |
| tsec_info[num].flags |= TSEC_SGMII; |
| } |
| num++; |
| #endif |
| #ifdef CONFIG_TSEC2 |
| SET_STD_TSEC_INFO(tsec_info[num], 2); |
| if (is_serdes_configured(SGMII_TSEC2)) { |
| puts("eTSEC2 is in sgmii mode.\n"); |
| tsec_info[num].flags |= TSEC_SGMII; |
| } |
| num++; |
| #endif |
| #ifdef CONFIG_TSEC3 |
| SET_STD_TSEC_INFO(tsec_info[num], 3); |
| num++; |
| #endif |
| if (!num) { |
| printf("No TSECs initialized\n"); |
| return 0; |
| } |
| |
| mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR; |
| mdio_info.name = DEFAULT_MII_NAME; |
| fsl_pq_mdio_init(bis, &mdio_info); |
| |
| tsec_eth_init(bis, tsec_info, num); |
| |
| return pci_eth_init(bis); |
| } |
| #endif |
| |
| #ifndef CONFIG_QSPI_BOOT |
| 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 |
| |
| int board_early_init_f(void) |
| { |
| struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; |
| struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; |
| |
| #ifdef CONFIG_TSEC_ENET |
| out_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 |
| |
| #ifdef CONFIG_FSL_DCU_FB |
| out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN); |
| #endif |
| |
| #ifdef CONFIG_FSL_QSPI |
| out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL); |
| #endif |
| |
| /* |
| * Enable snoop requests and DVM message requests for |
| * Slave insterface S4 (A7 core cluster) |
| */ |
| out_le32(&cci->slave[4].snoop_ctrl, |
| CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN); |
| |
| /* |
| * Set CCI-400 Slave interface S1, S2 Shareable Override Register |
| * All transactions are treated as non-shareable |
| */ |
| out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE); |
| out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_SPL_BUILD |
| void board_init_f(ulong dummy) |
| { |
| /* Clear the BSS */ |
| memset(__bss_start, 0, __bss_end - __bss_start); |
| |
| get_clocks(); |
| |
| preloader_console_init(); |
| |
| dram_init(); |
| |
| board_init_r(NULL, 0); |
| } |
| #endif |
| |
| #ifdef CONFIG_LS102XA_NS_ACCESS |
| static struct csu_ns_dev ns_dev[] = { |
| { CSU_CSLX_PCIE2_IO, CSU_ALL_RW }, |
| { CSU_CSLX_PCIE1_IO, CSU_ALL_RW }, |
| { CSU_CSLX_MG2TPR_IP, CSU_ALL_RW }, |
| { CSU_CSLX_IFC_MEM, CSU_ALL_RW }, |
| { CSU_CSLX_OCRAM, CSU_ALL_RW }, |
| { CSU_CSLX_GIC, CSU_ALL_RW }, |
| { CSU_CSLX_PCIE1, CSU_ALL_RW }, |
| { CSU_CSLX_OCRAM2, CSU_ALL_RW }, |
| { CSU_CSLX_QSPI_MEM, CSU_ALL_RW }, |
| { CSU_CSLX_PCIE2, CSU_ALL_RW }, |
| { CSU_CSLX_SATA, CSU_ALL_RW }, |
| { CSU_CSLX_USB3, CSU_ALL_RW }, |
| { CSU_CSLX_SERDES, CSU_ALL_RW }, |
| { CSU_CSLX_QDMA, CSU_ALL_RW }, |
| { CSU_CSLX_LPUART2, CSU_ALL_RW }, |
| { CSU_CSLX_LPUART1, CSU_ALL_RW }, |
| { CSU_CSLX_LPUART4, CSU_ALL_RW }, |
| { CSU_CSLX_LPUART3, CSU_ALL_RW }, |
| { CSU_CSLX_LPUART6, CSU_ALL_RW }, |
| { CSU_CSLX_LPUART5, CSU_ALL_RW }, |
| { CSU_CSLX_DSPI2, CSU_ALL_RW }, |
| { CSU_CSLX_DSPI1, CSU_ALL_RW }, |
| { CSU_CSLX_QSPI, CSU_ALL_RW }, |
| { CSU_CSLX_ESDHC, CSU_ALL_RW }, |
| { CSU_CSLX_2D_ACE, CSU_ALL_RW }, |
| { CSU_CSLX_IFC, CSU_ALL_RW }, |
| { CSU_CSLX_I2C1, CSU_ALL_RW }, |
| { CSU_CSLX_USB2, CSU_ALL_RW }, |
| { CSU_CSLX_I2C3, CSU_ALL_RW }, |
| { CSU_CSLX_I2C2, CSU_ALL_RW }, |
| { CSU_CSLX_DUART2, CSU_ALL_RW }, |
| { CSU_CSLX_DUART1, CSU_ALL_RW }, |
| { CSU_CSLX_WDT2, CSU_ALL_RW }, |
| { CSU_CSLX_WDT1, CSU_ALL_RW }, |
| { CSU_CSLX_EDMA, CSU_ALL_RW }, |
| { CSU_CSLX_SYS_CNT, CSU_ALL_RW }, |
| { CSU_CSLX_DMA_MUX2, CSU_ALL_RW }, |
| { CSU_CSLX_DMA_MUX1, CSU_ALL_RW }, |
| { CSU_CSLX_DDR, CSU_ALL_RW }, |
| { CSU_CSLX_QUICC, CSU_ALL_RW }, |
| { CSU_CSLX_DCFG_CCU_RCPM, CSU_ALL_RW }, |
| { CSU_CSLX_SECURE_BOOTROM, CSU_ALL_RW }, |
| { CSU_CSLX_SFP, CSU_ALL_RW }, |
| { CSU_CSLX_TMU, CSU_ALL_RW }, |
| { CSU_CSLX_SECURE_MONITOR, CSU_ALL_RW }, |
| { CSU_CSLX_RESERVED0, CSU_ALL_RW }, |
| { CSU_CSLX_ETSEC1, CSU_ALL_RW }, |
| { CSU_CSLX_SEC5_5, CSU_ALL_RW }, |
| { CSU_CSLX_ETSEC3, CSU_ALL_RW }, |
| { CSU_CSLX_ETSEC2, CSU_ALL_RW }, |
| { CSU_CSLX_GPIO2, CSU_ALL_RW }, |
| { CSU_CSLX_GPIO1, CSU_ALL_RW }, |
| { CSU_CSLX_GPIO4, CSU_ALL_RW }, |
| { CSU_CSLX_GPIO3, CSU_ALL_RW }, |
| { CSU_CSLX_PLATFORM_CONT, CSU_ALL_RW }, |
| { CSU_CSLX_CSU, CSU_ALL_RW }, |
| { CSU_CSLX_ASRC, CSU_ALL_RW }, |
| { CSU_CSLX_SPDIF, CSU_ALL_RW }, |
| { CSU_CSLX_FLEXCAN2, CSU_ALL_RW }, |
| { CSU_CSLX_FLEXCAN1, CSU_ALL_RW }, |
| { CSU_CSLX_FLEXCAN4, CSU_ALL_RW }, |
| { CSU_CSLX_FLEXCAN3, CSU_ALL_RW }, |
| { CSU_CSLX_SAI2, CSU_ALL_RW }, |
| { CSU_CSLX_SAI1, CSU_ALL_RW }, |
| { CSU_CSLX_SAI4, CSU_ALL_RW }, |
| { CSU_CSLX_SAI3, CSU_ALL_RW }, |
| { CSU_CSLX_FTM2, CSU_ALL_RW }, |
| { CSU_CSLX_FTM1, CSU_ALL_RW }, |
| { CSU_CSLX_FTM4, CSU_ALL_RW }, |
| { CSU_CSLX_FTM3, CSU_ALL_RW }, |
| { CSU_CSLX_FTM6, CSU_ALL_RW }, |
| { CSU_CSLX_FTM5, CSU_ALL_RW }, |
| { CSU_CSLX_FTM8, CSU_ALL_RW }, |
| { CSU_CSLX_FTM7, CSU_ALL_RW }, |
| { CSU_CSLX_COP_DCSR, CSU_ALL_RW }, |
| { CSU_CSLX_EPU, CSU_ALL_RW }, |
| { CSU_CSLX_GDI, CSU_ALL_RW }, |
| { CSU_CSLX_DDI, CSU_ALL_RW }, |
| { CSU_CSLX_RESERVED1, CSU_ALL_RW }, |
| { CSU_CSLX_USB3_PHY, CSU_ALL_RW }, |
| { CSU_CSLX_RESERVED2, CSU_ALL_RW }, |
| }; |
| #endif |
| |
| struct smmu_stream_id dev_stream_id[] = { |
| { 0x100, 0x01, "ETSEC MAC1" }, |
| { 0x104, 0x02, "ETSEC MAC2" }, |
| { 0x108, 0x03, "ETSEC MAC3" }, |
| { 0x10c, 0x04, "PEX1" }, |
| { 0x110, 0x05, "PEX2" }, |
| { 0x114, 0x06, "qDMA" }, |
| { 0x118, 0x07, "SATA" }, |
| { 0x11c, 0x08, "USB3" }, |
| { 0x120, 0x09, "QE" }, |
| { 0x124, 0x0a, "eSDHC" }, |
| { 0x128, 0x0b, "eMA" }, |
| { 0x14c, 0x0c, "2D-ACE" }, |
| { 0x150, 0x0d, "USB2" }, |
| { 0x18c, 0x0e, "DEBUG" }, |
| }; |
| |
| int board_init(void) |
| { |
| #ifndef CONFIG_SYS_FSL_NO_SERDES |
| fsl_serdes_init(); |
| #ifndef CONFIG_QSPI_BOOT |
| config_serdes_mux(); |
| #endif |
| #endif |
| |
| ls102xa_config_smmu_stream_id(dev_stream_id, |
| ARRAY_SIZE(dev_stream_id)); |
| |
| #ifdef CONFIG_LS102XA_NS_ACCESS |
| enable_devices_ns_access(ns_dev, ARRAY_SIZE(ns_dev)); |
| #endif |
| |
| #ifdef CONFIG_U_QE |
| u_qe_init(); |
| #endif |
| |
| return 0; |
| } |
| |
| #if defined(CONFIG_MISC_INIT_R) |
| int misc_init_r(void) |
| { |
| #ifdef CONFIG_FSL_CAAM |
| return sec_init(); |
| #endif |
| } |
| #endif |
| |
| int ft_board_setup(void *blob, bd_t *bd) |
| { |
| ft_cpu_setup(blob, bd); |
| |
| #ifdef CONFIG_PCIE_LAYERSCAPE |
| ft_pcie_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); |
| } |
| |
| #ifndef CONFIG_QSPI_BOOT |
| 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 = CONFIG_RESET; |
| } |
| |
| static int flash_bank_cmd(cmd_tbl_t *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(cmd_tbl_t *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 = CONFIG_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 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 = CONFIG_RESET; |
| } |
| } |
| |
| 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(cmd_tbl_t *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 |