uboot/board/freescale/ls1021aiot/ls1021aiot.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2016 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <common.h>
   7#include <clock_legacy.h>
   8#include <fdt_support.h>
   9#include <init.h>
  10#include <net.h>
  11#include <asm/arch/immap_ls102xa.h>
  12#include <asm/arch/clock.h>
  13#include <asm/arch/fsl_serdes.h>
  14#include <asm/arch/ls102xa_stream_id.h>
  15#include <asm/global_data.h>
  16#include <linux/delay.h>
  17
  18#include <asm/arch/ls102xa_devdis.h>
  19#include <asm/arch/ls102xa_soc.h>
  20#include <fsl_csu.h>
  21#include <fsl_immap.h>
  22#include <netdev.h>
  23#include <fsl_mdio.h>
  24#include <tsec.h>
  25#include <spl.h>
  26
  27#include <fsl_validate.h>
  28#include "../common/sleep.h"
  29
  30DECLARE_GLOBAL_DATA_PTR;
  31
  32#define DDR_SIZE                0x40000000
  33
  34
  35int checkboard(void)
  36{
  37        puts("Board: LS1021AIOT\n");
  38
  39#ifndef CONFIG_QSPI_BOOT
  40        struct ccsr_gur *dcfg = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR;
  41        u32 cpldrev;
  42
  43        cpldrev = in_be32(&dcfg->gpporcr1);
  44
  45        printf("CPLD:  V%d.%d\n", ((cpldrev >> 28) & 0xf), ((cpldrev >> 24) &
  46                0xf));
  47#endif
  48        return 0;
  49}
  50
  51void ddrmc_init(void)
  52{
  53        struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
  54        u32 temp_sdram_cfg, tmp;
  55
  56        out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
  57
  58        out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
  59        out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
  60
  61        out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
  62        out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
  63        out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
  64        out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
  65        out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
  66        out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
  67
  68        out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2);
  69        out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
  70
  71        out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
  72        out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
  73
  74        out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
  75
  76        out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
  77
  78        out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
  79        out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
  80
  81        out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
  82
  83        out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
  84        out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
  85
  86        out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
  87
  88        /* DDR erratum A-009942 */
  89        tmp = in_be32(&ddr->debug[28]);
  90        out_be32(&ddr->debug[28], tmp | 0x0070006f);
  91
  92        udelay(500);
  93
  94        temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI);
  95
  96        out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg);
  97}
  98
  99int dram_init(void)
 100{
 101#if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
 102        ddrmc_init();
 103#endif
 104
 105        erratum_a008850_post();
 106
 107        gd->ram_size = DDR_SIZE;
 108        return 0;
 109}
 110
 111#ifdef CONFIG_TSEC_ENET
 112int board_eth_init(struct bd_info *bis)
 113{
 114        struct fsl_pq_mdio_info mdio_info;
 115        struct tsec_info_struct tsec_info[4];
 116        int num = 0;
 117
 118#ifdef CONFIG_TSEC1
 119        SET_STD_TSEC_INFO(tsec_info[num], 1);
 120        if (is_serdes_configured(SGMII_TSEC1)) {
 121                puts("eTSEC1 is in sgmii mode.\n");
 122                tsec_info[num].flags |= TSEC_SGMII;
 123        }
 124        num++;
 125#endif
 126#ifdef CONFIG_TSEC2
 127        SET_STD_TSEC_INFO(tsec_info[num], 2);
 128        if (is_serdes_configured(SGMII_TSEC2)) {
 129                puts("eTSEC2 is in sgmii mode.\n");
 130                tsec_info[num].flags |= TSEC_SGMII;
 131        }
 132        num++;
 133#endif
 134        if (!num) {
 135                printf("No TSECs initialized\n");
 136                return 0;
 137        }
 138
 139        mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
 140        mdio_info.name = DEFAULT_MII_NAME;
 141        fsl_pq_mdio_init(bis, &mdio_info);
 142
 143        tsec_eth_init(bis, tsec_info, num);
 144
 145        return pci_eth_init(bis);
 146}
 147#endif
 148
 149int board_early_init_f(void)
 150{
 151        struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
 152
 153#ifdef CONFIG_TSEC_ENET
 154        /* clear BD & FR bits for BE BD's and frame data */
 155        clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
 156        out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
 157
 158#endif
 159
 160        arch_soc_init();
 161
 162        return 0;
 163}
 164
 165#ifdef CONFIG_SPL_BUILD
 166void board_init_f(ulong dummy)
 167{
 168        /* Clear the BSS */
 169        memset(__bss_start, 0, __bss_end - __bss_start);
 170
 171        get_clocks();
 172
 173        preloader_console_init();
 174
 175        dram_init();
 176
 177        /* Allow OCRAM access permission as R/W */
 178
 179#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
 180        enable_layerscape_ns_access();
 181#endif
 182
 183        board_init_r(NULL, 0);
 184}
 185#endif
 186
 187int board_init(void)
 188{
 189#ifndef CONFIG_SYS_FSL_NO_SERDES
 190        fsl_serdes_init();
 191#endif
 192
 193        ls102xa_smmu_stream_id_init();
 194
 195        return 0;
 196}
 197
 198#ifdef CONFIG_BOARD_LATE_INIT
 199int board_late_init(void)
 200{
 201        return 0;
 202}
 203#endif
 204
 205#if defined(CONFIG_MISC_INIT_R)
 206int misc_init_r(void)
 207{
 208#ifdef CONFIG_FSL_DEVICE_DISABLE
 209        device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl));
 210
 211#endif
 212
 213#ifdef CONFIG_FSL_CAAM
 214        return sec_init();
 215#endif
 216}
 217#endif
 218
 219int ft_board_setup(void *blob, struct bd_info *bd)
 220{
 221        ft_cpu_setup(blob, bd);
 222
 223#ifdef CONFIG_PCI
 224        ft_pci_setup(blob, bd);
 225#endif
 226
 227        return 0;
 228}
 229
 230void flash_write16(u16 val, void *addr)
 231{
 232        u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
 233
 234        __raw_writew(shftval, addr);
 235}
 236
 237u16 flash_read16(void *addr)
 238{
 239        u16 val = __raw_readw(addr);
 240
 241        return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
 242}
 243