upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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770 lines
18 KiB
770 lines
18 KiB
/*
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* Copyright 2014 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <i2c.h>
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#include <asm/io.h>
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#include <asm/arch/immap_ls102xa.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/fsl_serdes.h>
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#include <asm/arch/ls102xa_devdis.h>
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#include <asm/arch/ls102xa_soc.h>
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#include <asm/arch/ls102xa_sata.h>
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#include <hwconfig.h>
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#include <mmc.h>
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#include <fsl_csu.h>
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#include <fsl_esdhc.h>
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#include <fsl_ifc.h>
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#include <fsl_immap.h>
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#include <netdev.h>
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#include <fsl_mdio.h>
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#include <tsec.h>
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#include <fsl_sec.h>
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#include <fsl_devdis.h>
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#include <spl.h>
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#include "../common/sleep.h"
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#ifdef CONFIG_U_QE
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#include <fsl_qe.h>
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#endif
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#include <fsl_validate.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define VERSION_MASK 0x00FF
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#define BANK_MASK 0x0001
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#define CONFIG_RESET 0x1
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#define INIT_RESET 0x1
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#define CPLD_SET_MUX_SERDES 0x20
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#define CPLD_SET_BOOT_BANK 0x40
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#define BOOT_FROM_UPPER_BANK 0x0
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#define BOOT_FROM_LOWER_BANK 0x1
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#define LANEB_SATA (0x01)
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#define LANEB_SGMII1 (0x02)
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#define LANEC_SGMII1 (0x04)
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#define LANEC_PCIEX1 (0x08)
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#define LANED_PCIEX2 (0x10)
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#define LANED_SGMII2 (0x20)
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#define MASK_LANE_B 0x1
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#define MASK_LANE_C 0x2
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#define MASK_LANE_D 0x4
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#define MASK_SGMII 0x8
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#define KEEP_STATUS 0x0
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#define NEED_RESET 0x1
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#define SOFT_MUX_ON_I2C3_IFC 0x2
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#define SOFT_MUX_ON_CAN3_USB2 0x8
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#define SOFT_MUX_ON_QE_LCD 0x10
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#define PIN_I2C3_IFC_MUX_I2C3 0x0
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#define PIN_I2C3_IFC_MUX_IFC 0x1
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#define PIN_CAN3_USB2_MUX_USB2 0x0
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#define PIN_CAN3_USB2_MUX_CAN3 0x1
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#define PIN_QE_LCD_MUX_LCD 0x0
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#define PIN_QE_LCD_MUX_QE 0x1
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struct cpld_data {
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u8 cpld_ver; /* cpld revision */
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u8 cpld_ver_sub; /* cpld sub revision */
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u8 pcba_ver; /* pcb revision number */
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u8 system_rst; /* reset system by cpld */
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u8 soft_mux_on; /* CPLD override physical switches Enable */
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u8 cfg_rcw_src1; /* Reset config word 1 */
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u8 cfg_rcw_src2; /* Reset config word 2 */
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u8 vbank; /* Flash bank selection Control */
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u8 gpio; /* GPIO for TWR-ELEV */
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u8 i2c3_ifc_mux;
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u8 mux_spi2;
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u8 can3_usb2_mux; /* CAN3 and USB2 Selection */
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u8 qe_lcd_mux; /* QE and LCD Selection */
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u8 serdes_mux; /* Multiplexed pins for SerDes Lanes */
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u8 global_rst; /* reset with init CPLD reg to default */
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u8 rev1; /* Reserved */
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u8 rev2; /* Reserved */
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};
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#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
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static void convert_serdes_mux(int type, int need_reset);
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void cpld_show(void)
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{
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struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
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printf("CPLD: V%x.%x\nPCBA: V%x.0\nVBank: %d\n",
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in_8(&cpld_data->cpld_ver) & VERSION_MASK,
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in_8(&cpld_data->cpld_ver_sub) & VERSION_MASK,
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in_8(&cpld_data->pcba_ver) & VERSION_MASK,
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in_8(&cpld_data->vbank) & BANK_MASK);
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#ifdef CONFIG_DEBUG
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printf("soft_mux_on =%x\n",
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in_8(&cpld_data->soft_mux_on));
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printf("cfg_rcw_src1 =%x\n",
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in_8(&cpld_data->cfg_rcw_src1));
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printf("cfg_rcw_src2 =%x\n",
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in_8(&cpld_data->cfg_rcw_src2));
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printf("vbank =%x\n",
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in_8(&cpld_data->vbank));
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printf("gpio =%x\n",
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in_8(&cpld_data->gpio));
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printf("i2c3_ifc_mux =%x\n",
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in_8(&cpld_data->i2c3_ifc_mux));
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printf("mux_spi2 =%x\n",
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in_8(&cpld_data->mux_spi2));
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printf("can3_usb2_mux =%x\n",
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in_8(&cpld_data->can3_usb2_mux));
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printf("qe_lcd_mux =%x\n",
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in_8(&cpld_data->qe_lcd_mux));
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printf("serdes_mux =%x\n",
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in_8(&cpld_data->serdes_mux));
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#endif
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}
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#endif
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int checkboard(void)
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{
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puts("Board: LS1021ATWR\n");
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#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
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cpld_show();
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#endif
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return 0;
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}
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void ddrmc_init(void)
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{
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struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
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u32 temp_sdram_cfg, tmp;
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out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
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out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
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out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
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out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
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out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
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out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
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out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
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out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
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out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
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#ifdef CONFIG_DEEP_SLEEP
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if (is_warm_boot()) {
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out_be32(&ddr->sdram_cfg_2,
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DDR_SDRAM_CFG_2 & ~SDRAM_CFG2_D_INIT);
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out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE);
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out_be32(&ddr->init_ext_addr, (1 << 31));
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/* DRAM VRef will not be trained */
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out_be32(&ddr->ddr_cdr2,
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DDR_DDR_CDR2 & ~DDR_CDR2_VREF_TRAIN_EN);
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} else
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#endif
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{
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out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2);
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out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
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}
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out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
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out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
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out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
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out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
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out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
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out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
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out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
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out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
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out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
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out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
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/* DDR erratum A-009942 */
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tmp = in_be32(&ddr->debug[28]);
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out_be32(&ddr->debug[28], tmp | 0x0070006f);
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udelay(1);
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#ifdef CONFIG_DEEP_SLEEP
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if (is_warm_boot()) {
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/* enter self-refresh */
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temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2);
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temp_sdram_cfg |= SDRAM_CFG2_FRC_SR;
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out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg);
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temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN | SDRAM_CFG_BI);
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} else
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#endif
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temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI);
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out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg);
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#ifdef CONFIG_DEEP_SLEEP
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if (is_warm_boot()) {
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/* exit self-refresh */
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temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2);
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temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR;
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out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg);
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}
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#endif
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}
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int dram_init(void)
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{
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#if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
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ddrmc_init();
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#endif
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gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
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#if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)
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fsl_dp_resume();
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#endif
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return 0;
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}
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#ifdef CONFIG_FSL_ESDHC
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struct fsl_esdhc_cfg esdhc_cfg[1] = {
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{CONFIG_SYS_FSL_ESDHC_ADDR},
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};
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int board_mmc_init(bd_t *bis)
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{
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esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
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return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
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}
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#endif
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int board_eth_init(bd_t *bis)
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{
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#ifdef CONFIG_TSEC_ENET
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struct fsl_pq_mdio_info mdio_info;
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struct tsec_info_struct tsec_info[4];
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int num = 0;
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#ifdef CONFIG_TSEC1
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SET_STD_TSEC_INFO(tsec_info[num], 1);
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if (is_serdes_configured(SGMII_TSEC1)) {
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puts("eTSEC1 is in sgmii mode.\n");
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tsec_info[num].flags |= TSEC_SGMII;
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}
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num++;
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#endif
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#ifdef CONFIG_TSEC2
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SET_STD_TSEC_INFO(tsec_info[num], 2);
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if (is_serdes_configured(SGMII_TSEC2)) {
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puts("eTSEC2 is in sgmii mode.\n");
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tsec_info[num].flags |= TSEC_SGMII;
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}
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num++;
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#endif
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#ifdef CONFIG_TSEC3
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SET_STD_TSEC_INFO(tsec_info[num], 3);
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num++;
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#endif
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if (!num) {
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printf("No TSECs initialized\n");
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return 0;
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}
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mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
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mdio_info.name = DEFAULT_MII_NAME;
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fsl_pq_mdio_init(bis, &mdio_info);
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tsec_eth_init(bis, tsec_info, num);
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#endif
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return pci_eth_init(bis);
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}
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#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
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int config_serdes_mux(void)
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{
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struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
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u32 protocol = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
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protocol >>= RCWSR4_SRDS1_PRTCL_SHIFT;
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switch (protocol) {
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case 0x10:
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convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
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convert_serdes_mux(LANED_PCIEX2 |
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LANEC_PCIEX1, KEEP_STATUS);
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break;
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case 0x20:
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convert_serdes_mux(LANEB_SGMII1, KEEP_STATUS);
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convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
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convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
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break;
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case 0x30:
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convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
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convert_serdes_mux(LANEC_SGMII1, KEEP_STATUS);
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convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
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break;
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case 0x70:
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convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
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convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
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convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
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break;
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}
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return 0;
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}
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#endif
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#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
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int config_board_mux(void)
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{
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struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
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int conflict_flag;
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conflict_flag = 0;
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if (hwconfig("i2c3")) {
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conflict_flag++;
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cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC;
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cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_I2C3;
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}
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if (hwconfig("ifc")) {
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conflict_flag++;
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/* some signals can not enable simultaneous*/
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if (conflict_flag > 1)
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goto conflict;
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cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC;
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cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_IFC;
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}
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conflict_flag = 0;
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if (hwconfig("usb2")) {
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conflict_flag++;
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cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2;
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cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_USB2;
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}
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if (hwconfig("can3")) {
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conflict_flag++;
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/* some signals can not enable simultaneous*/
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if (conflict_flag > 1)
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goto conflict;
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cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2;
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cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_CAN3;
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}
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conflict_flag = 0;
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if (hwconfig("lcd")) {
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conflict_flag++;
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cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD;
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cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_LCD;
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}
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if (hwconfig("qe")) {
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conflict_flag++;
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/* some signals can not enable simultaneous*/
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if (conflict_flag > 1)
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goto conflict;
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cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD;
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cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_QE;
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}
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return 0;
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conflict:
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printf("WARNING: pin conflict! MUX setting may failed!\n");
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return 0;
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}
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#endif
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int board_early_init_f(void)
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{
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struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
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#ifdef CONFIG_TSEC_ENET
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/* clear BD & FR bits for BE BD's and frame data */
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clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
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out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
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#endif
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#ifdef CONFIG_FSL_IFC
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init_early_memctl_regs();
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#endif
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arch_soc_init();
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#if defined(CONFIG_DEEP_SLEEP)
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if (is_warm_boot()) {
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timer_init();
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dram_init();
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}
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#endif
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return 0;
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}
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#ifdef CONFIG_SPL_BUILD
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void board_init_f(ulong dummy)
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{
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void (*second_uboot)(void);
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/* Clear the BSS */
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memset(__bss_start, 0, __bss_end - __bss_start);
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get_clocks();
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#if defined(CONFIG_DEEP_SLEEP)
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if (is_warm_boot())
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fsl_dp_disable_console();
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#endif
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preloader_console_init();
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dram_init();
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/* Allow OCRAM access permission as R/W */
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#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
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enable_layerscape_ns_access();
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enable_layerscape_ns_access();
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#endif
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/*
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* if it is woken up from deep sleep, then jump to second
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* stage uboot and continue executing without recopying
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* it from SD since it has already been reserved in memeory
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* in last boot.
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*/
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if (is_warm_boot()) {
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second_uboot = (void (*)(void))CONFIG_SYS_TEXT_BASE;
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second_uboot();
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}
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board_init_r(NULL, 0);
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}
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#endif
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#ifdef CONFIG_DEEP_SLEEP
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/* program the regulator (MC34VR500) to support deep sleep */
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void ls1twr_program_regulator(void)
|
|
{
|
|
unsigned int i2c_bus;
|
|
u8 i2c_device_id;
|
|
|
|
#define LS1TWR_I2C_BUS_MC34VR500 1
|
|
#define MC34VR500_ADDR 0x8
|
|
#define MC34VR500_DEVICEID 0x4
|
|
#define MC34VR500_DEVICEID_MASK 0x0f
|
|
|
|
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
|
|
|
|
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_SCSI_AHCI_PLAT
|
|
ls1021a_sata_init();
|
|
#endif
|
|
#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, bd_t *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)
|
|
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
|
|
|