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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 <asm/arch/immap_ls102xa.h>
      8 #include <asm/arch/clock.h>
      9 #include <asm/arch/fsl_serdes.h>
     10 #include <asm/arch/ls102xa_stream_id.h>
     11 
     12 #include <asm/arch/ls102xa_devdis.h>
     13 #include <asm/arch/ls102xa_soc.h>
     14 #include <asm/arch/ls102xa_sata.h>
     15 #include <fsl_csu.h>
     16 #include <fsl_esdhc.h>
     17 #include <fsl_immap.h>
     18 #include <netdev.h>
     19 #include <fsl_mdio.h>
     20 #include <tsec.h>
     21 #include <spl.h>
     22 
     23 #include <fsl_validate.h>
     24 #include "../common/sleep.h"
     25 
     26 DECLARE_GLOBAL_DATA_PTR;
     27 
     28 #define DDR_SIZE		0x40000000
     29 
     30 
     31 int checkboard(void)
     32 {
     33 	puts("Board: LS1021AIOT\n");
     34 
     35 #ifndef CONFIG_QSPI_BOOT
     36 	struct ccsr_gur *dcfg = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR;
     37 	u32 cpldrev;
     38 
     39 	cpldrev = in_be32(&dcfg->gpporcr1);
     40 
     41 	printf("CPLD:  V%d.%d\n", ((cpldrev >> 28) & 0xf), ((cpldrev >> 24) &
     42 		0xf));
     43 #endif
     44 	return 0;
     45 }
     46 
     47 void ddrmc_init(void)
     48 {
     49 	struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
     50 	u32 temp_sdram_cfg, tmp;
     51 
     52 	out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
     53 
     54 	out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
     55 	out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
     56 
     57 	out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
     58 	out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
     59 	out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
     60 	out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
     61 	out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
     62 	out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
     63 
     64 	out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2);
     65 	out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
     66 
     67 	out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
     68 	out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
     69 
     70 	out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
     71 
     72 	out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
     73 
     74 	out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
     75 	out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
     76 
     77 	out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
     78 
     79 	out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
     80 	out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
     81 
     82 	out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
     83 
     84 	/* DDR erratum A-009942 */
     85 	tmp = in_be32(&ddr->debug[28]);
     86 	out_be32(&ddr->debug[28], tmp | 0x0070006f);
     87 
     88 	udelay(500);
     89 
     90 	temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI);
     91 
     92 	out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg);
     93 }
     94 
     95 int dram_init(void)
     96 {
     97 #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
     98 	ddrmc_init();
     99 #endif
    100 
    101 	gd->ram_size = DDR_SIZE;
    102 	return 0;
    103 }
    104 
    105 #ifdef CONFIG_FSL_ESDHC
    106 struct fsl_esdhc_cfg esdhc_cfg[1] = {
    107 	{CONFIG_SYS_FSL_ESDHC_ADDR},
    108 };
    109 
    110 int board_mmc_init(bd_t *bis)
    111 {
    112 	esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
    113 
    114 	return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
    115 }
    116 
    117 #endif
    118 
    119 #ifdef CONFIG_TSEC_ENET
    120 int board_eth_init(bd_t *bis)
    121 {
    122 	struct fsl_pq_mdio_info mdio_info;
    123 	struct tsec_info_struct tsec_info[4];
    124 	int num = 0;
    125 
    126 #ifdef CONFIG_TSEC1
    127 	SET_STD_TSEC_INFO(tsec_info[num], 1);
    128 	if (is_serdes_configured(SGMII_TSEC1)) {
    129 		puts("eTSEC1 is in sgmii mode.\n");
    130 		tsec_info[num].flags |= TSEC_SGMII;
    131 	}
    132 	num++;
    133 #endif
    134 #ifdef CONFIG_TSEC2
    135 	SET_STD_TSEC_INFO(tsec_info[num], 2);
    136 	if (is_serdes_configured(SGMII_TSEC2)) {
    137 		puts("eTSEC2 is in sgmii mode.\n");
    138 		tsec_info[num].flags |= TSEC_SGMII;
    139 	}
    140 	num++;
    141 #endif
    142 	if (!num) {
    143 		printf("No TSECs initialized\n");
    144 		return 0;
    145 	}
    146 
    147 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
    148 	mdio_info.name = DEFAULT_MII_NAME;
    149 	fsl_pq_mdio_init(bis, &mdio_info);
    150 
    151 	tsec_eth_init(bis, tsec_info, num);
    152 
    153 	return pci_eth_init(bis);
    154 }
    155 #endif
    156 
    157 int board_early_init_f(void)
    158 {
    159 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
    160 
    161 #ifdef CONFIG_TSEC_ENET
    162 	/* clear BD & FR bits for BE BD's and frame data */
    163 	clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
    164 	out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
    165 
    166 #endif
    167 
    168 	arch_soc_init();
    169 
    170 	return 0;
    171 }
    172 
    173 #ifdef CONFIG_SPL_BUILD
    174 void board_init_f(ulong dummy)
    175 {
    176 	/* Clear the BSS */
    177 	memset(__bss_start, 0, __bss_end - __bss_start);
    178 
    179 	get_clocks();
    180 
    181 	preloader_console_init();
    182 
    183 	dram_init();
    184 
    185 	/* Allow OCRAM access permission as R/W */
    186 
    187 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
    188 	enable_layerscape_ns_access();
    189 #endif
    190 
    191 	board_init_r(NULL, 0);
    192 }
    193 #endif
    194 
    195 int board_init(void)
    196 {
    197 #ifndef CONFIG_SYS_FSL_NO_SERDES
    198 	fsl_serdes_init();
    199 #endif
    200 
    201 	ls102xa_smmu_stream_id_init();
    202 
    203 	return 0;
    204 }
    205 
    206 #ifdef CONFIG_BOARD_LATE_INIT
    207 int board_late_init(void)
    208 {
    209 #ifdef CONFIG_SCSI_AHCI_PLAT
    210 	ls1021a_sata_init();
    211 #endif
    212 
    213 	return 0;
    214 }
    215 #endif
    216 
    217 #if defined(CONFIG_MISC_INIT_R)
    218 int misc_init_r(void)
    219 {
    220 #ifdef CONFIG_FSL_DEVICE_DISABLE
    221 	device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl));
    222 
    223 #endif
    224 
    225 #ifdef CONFIG_FSL_CAAM
    226 	return sec_init();
    227 #endif
    228 }
    229 #endif
    230 
    231 int ft_board_setup(void *blob, bd_t *bd)
    232 {
    233 	ft_cpu_setup(blob, bd);
    234 
    235 #ifdef CONFIG_PCI
    236 	ft_pci_setup(blob, bd);
    237 #endif
    238 
    239 	return 0;
    240 }
    241 
    242 void flash_write16(u16 val, void *addr)
    243 {
    244 	u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
    245 
    246 	__raw_writew(shftval, addr);
    247 }
    248 
    249 u16 flash_read16(void *addr)
    250 {
    251 	u16 val = __raw_readw(addr);
    252 
    253 	return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
    254 }
    255