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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/ls1021aqds/ls1021aqds.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/freescale/ls1021aqds/ls1021aqds.c')
-rw-r--r-- | roms/u-boot/board/freescale/ls1021aqds/ls1021aqds.c | 480 |
1 files changed, 480 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/ls1021aqds/ls1021aqds.c b/roms/u-boot/board/freescale/ls1021aqds/ls1021aqds.c new file mode 100644 index 000000000..aa1f6025c --- /dev/null +++ b/roms/u-boot/board/freescale/ls1021aqds/ls1021aqds.c @@ -0,0 +1,480 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * Copyright 2019 NXP + */ + +#include <common.h> +#include <clock_legacy.h> +#include <fdt_support.h> +#include <i2c.h> +#include <init.h> +#include <log.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_soc.h> +#include <asm/arch/ls102xa_devdis.h> +#include <hwconfig.h> +#include <mmc.h> +#include <fsl_csu.h> +#include <fsl_ifc.h> +#include <fsl_sec.h> +#include <spl.h> +#include <fsl_devdis.h> +#include <fsl_validate.h> +#include <fsl_ddr.h> +#include "../common/sleep.h" +#include "../common/qixis.h" +#include "ls1021aqds_qixis.h" +#ifdef CONFIG_U_QE +#include <fsl_qe.h> +#endif + +#define PIN_MUX_SEL_CAN 0x03 +#define PIN_MUX_SEL_IIC2 0xa0 +#define PIN_MUX_SEL_RGMII 0x00 +#define PIN_MUX_SEL_SAI 0x0c +#define PIN_MUX_SEL_SDHC 0x00 + +#define SET_SDHC_MUX_SEL(reg, value) ((reg & 0x0f) | value) +#define SET_EC_MUX_SEL(reg, value) ((reg & 0xf0) | value) +enum { + MUX_TYPE_CAN, + MUX_TYPE_IIC2, + MUX_TYPE_RGMII, + MUX_TYPE_SAI, + MUX_TYPE_SDHC, + MUX_TYPE_SD_PCI4, + MUX_TYPE_SD_PC_SA_SG_SG, + MUX_TYPE_SD_PC_SA_PC_SG, + MUX_TYPE_SD_PC_SG_SG, +}; + +enum { + GE0_CLK125, + GE2_CLK125, + GE1_CLK125, +}; + +int checkboard(void) +{ +#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) + char buf[64]; +#endif +#if !defined(CONFIG_SD_BOOT) && !defined(CONFIG_QSPI_BOOT) + u8 sw; +#endif + + puts("Board: LS1021AQDS\n"); + +#ifdef CONFIG_SD_BOOT + puts("SD\n"); +#elif CONFIG_QSPI_BOOT + puts("QSPI\n"); +#else + sw = QIXIS_READ(brdcfg[0]); + sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT; + + if (sw < 0x8) + printf("vBank: %d\n", sw); + else if (sw == 0x8) + puts("PromJet\n"); + else if (sw == 0x9) + puts("NAND\n"); + else if (sw == 0x15) + printf("IFCCard\n"); + else + printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH); +#endif + +#if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) + printf("Sys ID:0x%02x, Sys Ver: 0x%02x\n", + QIXIS_READ(id), QIXIS_READ(arch)); + + printf("FPGA: v%d (%s), build %d\n", + (int)QIXIS_READ(scver), qixis_read_tag(buf), + (int)qixis_read_minor()); +#endif + + return 0; +} + +unsigned long get_board_sys_clk(void) +{ + u8 sysclk_conf = QIXIS_READ(brdcfg[1]); + + switch (sysclk_conf & 0x0f) { + case QIXIS_SYSCLK_64: + return 64000000; + case QIXIS_SYSCLK_83: + return 83333333; + case QIXIS_SYSCLK_100: + return 100000000; + case QIXIS_SYSCLK_125: + return 125000000; + case QIXIS_SYSCLK_133: + return 133333333; + case QIXIS_SYSCLK_150: + return 150000000; + case QIXIS_SYSCLK_160: + return 160000000; + case QIXIS_SYSCLK_166: + return 166666666; + } + return 66666666; +} + +unsigned long get_board_ddr_clk(void) +{ + 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 66666666; +} + +int select_i2c_ch_pca9547(u8 ch, int bus_num) +{ + int ret; +#if CONFIG_IS_ENABLED(DM_I2C) + struct udevice *dev; + + ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_PCA_ADDR_PRI, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + bus_num); + return ret; + } + ret = dm_i2c_write(dev, 0, &ch, 1); +#else + ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1); +#endif + if (ret) { + puts("PCA: failed to select proper channel\n"); + return ret; + } + + return 0; +} + +int dram_init(void) +{ + /* + * When resuming from deep sleep, the I2C channel may not be + * in the default channel. So, switch to the default channel + * before accessing DDR SPD. + * + * PCA9547(0x77) mount on I2C1 bus + */ + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0); + return fsl_initdram(); +} + +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); +#endif + +#ifdef CONFIG_FSL_IFC + init_early_memctl_regs(); +#endif + + arch_soc_init(); + +#if defined(CONFIG_DEEP_SLEEP) + if (is_warm_boot()) + fsl_dp_disable_console(); +#endif + + return 0; +} + +#ifdef CONFIG_SPL_BUILD +void board_init_f(ulong dummy) +{ +#ifdef CONFIG_NAND_BOOT + struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR; + u32 porsr1, pinctl; + + /* + * There is LS1 SoC issue where NOR, FPGA are inaccessible during + * NAND boot because IFC signals > IFC_AD7 are not enabled. + * This workaround changes RCW source to make all signals enabled. + */ + porsr1 = in_be32(&gur->porsr1); + pinctl = ((porsr1 & ~(DCFG_CCSR_PORSR1_RCW_MASK)) | + DCFG_CCSR_PORSR1_RCW_SRC_I2C); + out_be32((unsigned int *)(CONFIG_SYS_DCSR_DCFG_ADDR + DCFG_DCSR_PORCR1), + pinctl); +#endif + + /* Clear the BSS */ + memset(__bss_start, 0, __bss_end - __bss_start); + +#ifdef CONFIG_FSL_IFC + init_early_memctl_regs(); +#endif + + get_clocks(); + +#if defined(CONFIG_DEEP_SLEEP) + if (is_warm_boot()) + fsl_dp_disable_console(); +#endif + + preloader_console_init(); + +#ifdef CONFIG_SPL_I2C_SUPPORT + i2c_init_all(); +#endif + + timer_init(); + dram_init(); + + /* Allow OCRAM access permission as R/W */ +#ifdef CONFIG_LAYERSCAPE_NS_ACCESS + enable_layerscape_ns_access(); +#endif + + board_init_r(NULL, 0); +} +#endif + +void config_etseccm_source(int etsec_gtx_125_mux) +{ + struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; + + switch (etsec_gtx_125_mux) { + case GE0_CLK125: + out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE0_CLK125); + debug("etseccm set to GE0_CLK125\n"); + break; + + case GE2_CLK125: + out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125); + debug("etseccm set to GE2_CLK125\n"); + break; + + case GE1_CLK125: + out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE1_CLK125); + debug("etseccm set to GE1_CLK125\n"); + break; + + default: + printf("Error! trying to set etseccm to invalid value\n"); + break; + } +} + +int config_board_mux(int ctrl_type) +{ + u8 reg12, reg14; + + reg12 = QIXIS_READ(brdcfg[12]); + reg14 = QIXIS_READ(brdcfg[14]); + + switch (ctrl_type) { + case MUX_TYPE_CAN: + config_etseccm_source(GE2_CLK125); + reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_CAN); + break; + case MUX_TYPE_IIC2: + reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_IIC2); + break; + case MUX_TYPE_RGMII: + reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_RGMII); + break; + case MUX_TYPE_SAI: + config_etseccm_source(GE2_CLK125); + reg14 = SET_EC_MUX_SEL(reg14, PIN_MUX_SEL_SAI); + break; + case MUX_TYPE_SDHC: + reg14 = SET_SDHC_MUX_SEL(reg14, PIN_MUX_SEL_SDHC); + break; + case MUX_TYPE_SD_PCI4: + reg12 = 0x38; + break; + case MUX_TYPE_SD_PC_SA_SG_SG: + reg12 = 0x01; + break; + case MUX_TYPE_SD_PC_SA_PC_SG: + reg12 = 0x01; + break; + case MUX_TYPE_SD_PC_SG_SG: + reg12 = 0x21; + break; + default: + printf("Wrong mux interface type\n"); + return -1; + } + + QIXIS_WRITE(brdcfg[12], reg12); + QIXIS_WRITE(brdcfg[14], reg14); + + return 0; +} + +int config_serdes_mux(void) +{ + struct ccsr_gur *gur = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR; + u32 cfg; + + cfg = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK; + cfg >>= RCWSR4_SRDS1_PRTCL_SHIFT; + + switch (cfg) { + case 0x0: + config_board_mux(MUX_TYPE_SD_PCI4); + break; + case 0x30: + config_board_mux(MUX_TYPE_SD_PC_SA_SG_SG); + break; + case 0x60: + config_board_mux(MUX_TYPE_SD_PC_SG_SG); + break; + case 0x70: + config_board_mux(MUX_TYPE_SD_PC_SA_PC_SG); + break; + default: + printf("SRDS1 prtcl:0x%x\n", cfg); + break; + } + + return 0; +} + +#ifdef CONFIG_BOARD_LATE_INIT +int board_late_init(void) +{ +#ifdef CONFIG_CHAIN_OF_TRUST + fsl_setenv_chain_of_trust(); +#endif + + return 0; +} +#endif + +int misc_init_r(void) +{ + int conflict_flag; + + /* some signals can not enable simultaneous*/ + conflict_flag = 0; + if (hwconfig("sdhc")) + conflict_flag++; + if (hwconfig("iic2")) + conflict_flag++; + if (conflict_flag > 1) { + printf("WARNING: pin conflict !\n"); + return 0; + } + + conflict_flag = 0; + if (hwconfig("rgmii")) + conflict_flag++; + if (hwconfig("can")) + conflict_flag++; + if (hwconfig("sai")) + conflict_flag++; + if (conflict_flag > 1) { + printf("WARNING: pin conflict !\n"); + return 0; + } + + if (hwconfig("can")) + config_board_mux(MUX_TYPE_CAN); + else if (hwconfig("rgmii")) + config_board_mux(MUX_TYPE_RGMII); + else if (hwconfig("sai")) + config_board_mux(MUX_TYPE_SAI); + + if (hwconfig("iic2")) + config_board_mux(MUX_TYPE_IIC2); + else if (hwconfig("sdhc")) + config_board_mux(MUX_TYPE_SDHC); + +#ifdef CONFIG_FSL_DEVICE_DISABLE + device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl)); +#endif +#ifdef CONFIG_FSL_CAAM + return sec_init(); +#endif + return 0; +} + +int board_init(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A010315 + erratum_a010315(); +#endif +#ifdef CONFIG_SYS_FSL_ERRATUM_A009942 + erratum_a009942_check_cpo(); +#endif + + select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0); + +#ifndef CONFIG_SYS_FSL_NO_SERDES + fsl_serdes_init(); + config_serdes_mux(); +#endif + + ls102xa_smmu_stream_id_init(); + +#ifdef CONFIG_U_QE + u_qe_init(); +#endif + + return 0; +} + +#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); +} |