LXR uboot/arch/arm/cpu/armv7/ls102xa/fdt.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2014 Freescale Semiconductor, Inc.
   4 */
   5
   6#include <common.h>
   7#include <clock_legacy.h>
   8#include <net.h>
   9#include <asm/global_data.h>
  10#include <linux/libfdt.h>
  11#include <fdt_support.h>
  12#include <asm/io.h>
  13#include <asm/processor.h>
  14#include <asm/arch/clock.h>
  15#include <linux/ctype.h>
  16#ifdef CONFIG_FSL_ESDHC
  17#include <fsl_esdhc.h>
  18#endif
  19#include <tsec.h>
  20#include <asm/arch/immap_ls102xa.h>
  21#include <fsl_sec.h>
  22#include <dm.h>
  23
  24DECLARE_GLOBAL_DATA_PTR;
  25
  26void ft_fixup_enet_phy_connect_type(void *fdt)
  27{
  28#ifdef CONFIG_DM_ETH
  29        struct udevice *dev;
  30#else
  31        struct eth_device *dev;
  32#endif
  33        struct tsec_private *priv;
  34        const char *enet_path, *phy_path;
  35        char enet[16];
  36        char phy[16];
  37        int phy_node;
  38        int i = 0;
  39        uint32_t ph;
  40#ifdef CONFIG_DM_ETH
  41        char *name[3] = { "ethernet@2d10000", "ethernet@2d50000",
  42                          "ethernet@2d90000" };
  43#else
  44        char *name[3] = { "eTSEC1", "eTSEC2", "eTSEC3" };
  45#endif
  46
  47        for (; i < ARRAY_SIZE(name); i++) {
  48                dev = eth_get_dev_by_name(name[i]);
  49                if (dev) {
  50                        sprintf(enet, "ethernet%d", i);
  51                        sprintf(phy, "enet%d_rgmii_phy", i);
  52                } else {
  53                        continue;
  54                }
  55
  56#ifdef CONFIG_DM_ETH
  57                priv = dev_get_priv(dev);
  58#else
  59                priv = dev->priv;
  60#endif
  61                if (priv->flags & TSEC_SGMII)
  62                        continue;
  63
  64                enet_path = fdt_get_alias(fdt, enet);
  65                if (!enet_path)
  66                        continue;
  67
  68                phy_path = fdt_get_alias(fdt, phy);
  69                if (!phy_path)
  70                        continue;
  71
  72                phy_node = fdt_path_offset(fdt, phy_path);
  73                if (phy_node < 0)
  74                        continue;
  75
  76                ph = fdt_create_phandle(fdt, phy_node);
  77                if (ph)
  78                        do_fixup_by_path_u32(fdt, enet_path,
  79                                             "phy-handle", ph, 1);
  80
  81                do_fixup_by_path(fdt, enet_path, "phy-connection-type",
  82                                 phy_string_for_interface(
  83                                 PHY_INTERFACE_MODE_RGMII_ID),
  84                                 strlen(phy_string_for_interface(
  85                                 PHY_INTERFACE_MODE_RGMII_ID)) + 1,
  86                                 1);
  87        }
  88}
  89
  90void ft_cpu_setup(void *blob, struct bd_info *bd)
  91{
  92        int off;
  93        int val;
  94        const char *sysclk_path;
  95        struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
  96        unsigned int svr;
  97        svr = in_be32(&gur->svr);
  98
  99        unsigned long busclk = get_bus_freq(0);
 100
 101        /* delete crypto node if not on an E-processor */
 102        if (!IS_E_PROCESSOR(svr))
 103                fdt_fixup_crypto_node(blob, 0);
 104#if CONFIG_SYS_FSL_SEC_COMPAT >= 4
 105        else {
 106                ccsr_sec_t __iomem *sec;
 107
 108                sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
 109                fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
 110        }
 111#endif
 112
 113        off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
 114        while (off != -FDT_ERR_NOTFOUND) {
 115                val = gd->cpu_clk;
 116                fdt_setprop(blob, off, "clock-frequency", &val, 4);
 117                off = fdt_node_offset_by_prop_value(blob, off,
 118                                                    "device_type", "cpu", 4);
 119        }
 120
 121        do_fixup_by_prop_u32(blob, "device_type", "soc",
 122                             4, "bus-frequency", busclk, 1);
 123
 124        ft_fixup_enet_phy_connect_type(blob);
 125
 126#ifdef CONFIG_SYS_NS16550
 127        do_fixup_by_compat_u32(blob, "fsl,16550-FIFO64",
 128                               "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
 129#endif
 130
 131        sysclk_path = fdt_get_alias(blob, "sysclk");
 132        if (sysclk_path)
 133                do_fixup_by_path_u32(blob, sysclk_path, "clock-frequency",
 134                                     get_board_sys_clk(), 1);
 135        do_fixup_by_compat_u32(blob, "fsl,qoriq-sysclk-2.0",
 136                               "clock-frequency", get_board_sys_clk(), 1);
 137
 138#if defined(CONFIG_DEEP_SLEEP) && defined(CONFIG_SD_BOOT)
 139#define UBOOT_HEAD_LEN  0x1000
 140        /*
 141         * Reserved memory in SD boot deep sleep case.
 142         * Second stage uboot binary and malloc space should be reserved.
 143         * If the memory they occupied has not been reserved, then this
 144         * space would be used by kernel and overwritten in uboot when
 145         * deep sleep resume, which cause deep sleep failed.
 146         * Since second uboot binary has a head, that space need to be
 147         * reserved either(assuming its size is less than 0x1000).
 148         */
 149        off = fdt_add_mem_rsv(blob, CONFIG_SYS_TEXT_BASE - UBOOT_HEAD_LEN,
 150                        CONFIG_SYS_MONITOR_LEN + CONFIG_SYS_SPL_MALLOC_SIZE +
 151                        UBOOT_HEAD_LEN);
 152        if (off < 0)
 153                printf("Failed to reserve memory for SD boot deep sleep: %s\n",
 154                       fdt_strerror(off));
 155#endif
 156
 157#if defined(CONFIG_FSL_ESDHC)
 158        fdt_fixup_esdhc(blob, bd);
 159#endif
 160
 161        /*
 162         * platform bus clock = system bus clock/2
 163         * Here busclk = system bus clock
 164         * We are using the platform bus clock as 1588 Timer reference
 165         * clock source select
 166         */
 167        do_fixup_by_compat_u32(blob, "fsl, gianfar-ptp-timer",
 168                               "timer-frequency", busclk / 2, 1);
 169
 170        /*
 171         * clock-freq should change to clock-frequency and
 172         * flexcan-v1.0 should change to p1010-flexcan respectively
 173         * in the future.
 174         */
 175        do_fixup_by_compat_u32(blob, "fsl, flexcan-v1.0",
 176                               "clock_freq", busclk / 2, 1);
 177
 178        do_fixup_by_compat_u32(blob, "fsl, flexcan-v1.0",
 179                               "clock-frequency", busclk / 2, 1);
 180
 181        do_fixup_by_compat_u32(blob, "fsl, ls1021a-flexcan",
 182                               "clock-frequency", busclk / 2, 1);
 183
 184#if defined(CONFIG_QSPI_BOOT) || defined(CONFIG_SD_BOOT_QSPI)
 185        off = fdt_node_offset_by_compat_reg(blob, FSL_IFC_COMPAT,
 186                                            CONFIG_SYS_IFC_ADDR);
 187        fdt_set_node_status(blob, off, FDT_STATUS_DISABLED);
 188#else
 189        off = fdt_node_offset_by_compat_reg(blob, FSL_QSPI_COMPAT,
 190                                            QSPI0_BASE_ADDR);
 191        fdt_set_node_status(blob, off, FDT_STATUS_DISABLED);
 192        off = fdt_node_offset_by_compat_reg(blob, FSL_DSPI_COMPAT,
 193                                            DSPI1_BASE_ADDR);
 194        fdt_set_node_status(blob, off, FDT_STATUS_DISABLED);
 195#endif
 196}
 197