[people/ms/u-boot.git] / arch / powerpc / cpu / mpc85xx / fdt.c

/*
 * Copyright 2007-2011 Freescale Semiconductor, Inc.
 *
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <asm/processor.h>
#include <linux/ctype.h>
#include <asm/io.h>
#include <asm/fsl_portals.h>
#ifdef CONFIG_FSL_ESDHC
#include <fsl_esdhc.h>
#endif
#include "../../../../drivers/qe/qe.h"          /* For struct qe_firmware */

DECLARE_GLOBAL_DATA_PTR;

extern void ft_qe_setup(void *blob);
extern void ft_fixup_num_cores(void *blob);
extern void ft_srio_setup(void *blob);

#ifdef CONFIG_MP
#include "mp.h"

void ft_fixup_cpu(void *blob, u64 memory_limit)
{
        int off;
        phys_addr_t spin_tbl_addr = get_spin_phys_addr();
        u32 bootpg = determine_mp_bootpg(NULL);
        u32 id = get_my_id();
        const char *enable_method;

        off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
        while (off != -FDT_ERR_NOTFOUND) {
                u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);

                if (reg) {
                        u32 phys_cpu_id = thread_to_core(*reg);
                        u64 val = phys_cpu_id * SIZE_BOOT_ENTRY + spin_tbl_addr;
                        val = cpu_to_fdt64(val);
                        if (*reg == id) {
                                fdt_setprop_string(blob, off, "status",
                                                                "okay");
                        } else {
                                fdt_setprop_string(blob, off, "status",
                                                                "disabled");
                        }

                        if (hold_cores_in_reset(0)) {
#ifdef CONFIG_FSL_CORENET
                                /* Cores held in reset, use BRR to release */
                                enable_method = "fsl,brr-holdoff";
#else
                                /* Cores held in reset, use EEBPCR to release */
                                enable_method = "fsl,eebpcr-holdoff";
#endif
                        } else {
                                /* Cores out of reset and in a spin-loop */
                                enable_method = "spin-table";

                                fdt_setprop(blob, off, "cpu-release-addr",
                                                &val, sizeof(val));
                        }

                        fdt_setprop_string(blob, off, "enable-method",
                                                        enable_method);
                } else {
                        printf ("cpu NULL\n");
                }
                off = fdt_node_offset_by_prop_value(blob, off,
                                "device_type", "cpu", 4);
        }

        /* Reserve the boot page so OSes dont use it */
        if ((u64)bootpg < memory_limit) {
                off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
                if (off < 0)
                        printf("Failed to reserve memory for bootpg: %s\n",
                                fdt_strerror(off));
        }

#ifndef CONFIG_MPC8xxx_DISABLE_BPTR
        /*
         * Reserve the default boot page so OSes dont use it.
         * The default boot page is always mapped to bootpg above using
         * boot page translation.
         */
        if (0xfffff000ull < memory_limit) {
                off = fdt_add_mem_rsv(blob, 0xfffff000ull, (u64)4096);
                if (off < 0) {
                        printf("Failed to reserve memory for 0xfffff000: %s\n",
                                fdt_strerror(off));
                }
        }
#endif

        /* Reserve spin table page */
        if (spin_tbl_addr < memory_limit) {
                off = fdt_add_mem_rsv(blob,
                        (spin_tbl_addr & ~0xffful), 4096);
                if (off < 0)
                        printf("Failed to reserve memory for spin table: %s\n",
                                fdt_strerror(off));
        }
}
#endif

#ifdef CONFIG_SYS_FSL_CPC
static inline void ft_fixup_l3cache(void *blob, int off)
{
        u32 line_size, num_ways, size, num_sets;
        cpc_corenet_t *cpc = (void *)CONFIG_SYS_FSL_CPC_ADDR;
        u32 cfg0 = in_be32(&cpc->cpccfg0);

        size = CPC_CFG0_SZ_K(cfg0) * 1024 * CONFIG_SYS_NUM_CPC;
        num_ways = CPC_CFG0_NUM_WAYS(cfg0);
        line_size = CPC_CFG0_LINE_SZ(cfg0);
        num_sets = size / (line_size * num_ways);

        fdt_setprop(blob, off, "cache-unified", NULL, 0);
        fdt_setprop_cell(blob, off, "cache-block-size", line_size);
        fdt_setprop_cell(blob, off, "cache-size", size);
        fdt_setprop_cell(blob, off, "cache-sets", num_sets);
        fdt_setprop_cell(blob, off, "cache-level", 3);
#ifdef CONFIG_SYS_CACHE_STASHING
        fdt_setprop_cell(blob, off, "cache-stash-id", 1);
#endif
}
#else
#define ft_fixup_l3cache(x, y)
#endif

#if defined(CONFIG_L2_CACHE)
/* return size in kilobytes */
static inline u32 l2cache_size(void)
{
        volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
        volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;
        u32 ver = SVR_SOC_VER(get_svr());

        switch (l2siz_field) {
        case 0x0:
                break;
        case 0x1:
                if (ver == SVR_8540 || ver == SVR_8560   ||
                    ver == SVR_8541 || ver == SVR_8555)
                        return 128;
                else
                        return 256;
                break;
        case 0x2:
                if (ver == SVR_8540 || ver == SVR_8560   ||
                    ver == SVR_8541 || ver == SVR_8555)
                        return 256;
                else
                        return 512;
                break;
        case 0x3:
                return 1024;
                break;
        }

        return 0;
}

static inline void ft_fixup_l2cache(void *blob)
{
        int len, off;
        u32 *ph;
        struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));

        const u32 line_size = 32;
        const u32 num_ways = 8;
        const u32 size = l2cache_size() * 1024;
        const u32 num_sets = size / (line_size * num_ways);

        off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
        if (off < 0) {
                debug("no cpu node fount\n");
                return;
        }

        ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);

        if (ph == NULL) {
                debug("no next-level-cache property\n");
                return ;
        }

        off = fdt_node_offset_by_phandle(blob, *ph);
        if (off < 0) {
                printf("%s: %s\n", __func__, fdt_strerror(off));
                return ;
        }

        if (cpu) {
                char buf[40];

                if (isdigit(cpu->name[0])) {
                        /* MPCxxxx, where xxxx == 4-digit number */
                        len = sprintf(buf, "fsl,mpc%s-l2-cache-controller",
                                cpu->name) + 1;
                } else {
                        /* Pxxxx or Txxxx, where xxxx == 4-digit number */
                        len = sprintf(buf, "fsl,%c%s-l2-cache-controller",
                                tolower(cpu->name[0]), cpu->name + 1) + 1;
                }

                /*
                 * append "cache" after the NULL character that the previous
                 * sprintf wrote.  This is how a device tree stores multiple
                 * strings in a property.
                 */
                len += sprintf(buf + len, "cache") + 1;

                fdt_setprop(blob, off, "compatible", buf, len);
        }
        fdt_setprop(blob, off, "cache-unified", NULL, 0);
        fdt_setprop_cell(blob, off, "cache-block-size", line_size);
        fdt_setprop_cell(blob, off, "cache-size", size);
        fdt_setprop_cell(blob, off, "cache-sets", num_sets);
        fdt_setprop_cell(blob, off, "cache-level", 2);

        /* we dont bother w/L3 since no platform of this type has one */
}
#elif defined(CONFIG_BACKSIDE_L2_CACHE) || \
        defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
static inline void ft_fixup_l2cache(void *blob)
{
        int off, l2_off, l3_off = -1;
        u32 *ph;
#ifdef  CONFIG_BACKSIDE_L2_CACHE
        u32 l2cfg0 = mfspr(SPRN_L2CFG0);
#else
        struct ccsr_cluster_l2 *l2cache =
                (struct ccsr_cluster_l2 __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2);
        u32 l2cfg0 = in_be32(&l2cache->l2cfg0);
#endif
        u32 size, line_size, num_ways, num_sets;
        int has_l2 = 1;

        /* P2040/P2040E has no L2, so dont set any L2 props */
        if (SVR_SOC_VER(get_svr()) == SVR_P2040)
                has_l2 = 0;

        size = (l2cfg0 & 0x3fff) * 64 * 1024;
        num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
        line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
        num_sets = size / (line_size * num_ways);

        off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);

        while (off != -FDT_ERR_NOTFOUND) {
                ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);

                if (ph == NULL) {
                        debug("no next-level-cache property\n");
                        goto next;
                }

                l2_off = fdt_node_offset_by_phandle(blob, *ph);
                if (l2_off < 0) {
                        printf("%s: %s\n", __func__, fdt_strerror(off));
                        goto next;
                }

                if (has_l2) {
#ifdef CONFIG_SYS_CACHE_STASHING
                        u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
#ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2
                        /* Only initialize every eighth thread */
                        if (reg && !((*reg) % 8))
#else
                        if (reg)
#endif
                                fdt_setprop_cell(blob, l2_off, "cache-stash-id",
                                         (*reg * 2) + 32 + 1);
#endif

                        fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
                        fdt_setprop_cell(blob, l2_off, "cache-block-size",
                                                line_size);
                        fdt_setprop_cell(blob, l2_off, "cache-size", size);
                        fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
                        fdt_setprop_cell(blob, l2_off, "cache-level", 2);
                        fdt_setprop(blob, l2_off, "compatible", "cache", 6);
                }

                if (l3_off < 0) {
                        ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);

                        if (ph == NULL) {
                                debug("no next-level-cache property\n");
                                goto next;
                        }
                        l3_off = *ph;
                }
next:
                off = fdt_node_offset_by_prop_value(blob, off,
                                "device_type", "cpu", 4);
        }
        if (l3_off > 0) {
                l3_off = fdt_node_offset_by_phandle(blob, l3_off);
                if (l3_off < 0) {
                        printf("%s: %s\n", __func__, fdt_strerror(off));
                        return ;
                }
                ft_fixup_l3cache(blob, l3_off);
        }
}
#else
#define ft_fixup_l2cache(x)
#endif

static inline void ft_fixup_cache(void *blob)
{
        int off;

        off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);

        while (off != -FDT_ERR_NOTFOUND) {
                u32 l1cfg0 = mfspr(SPRN_L1CFG0);
                u32 l1cfg1 = mfspr(SPRN_L1CFG1);
                u32 isize, iline_size, inum_sets, inum_ways;
                u32 dsize, dline_size, dnum_sets, dnum_ways;

                /* d-side config */
                dsize = (l1cfg0 & 0x7ff) * 1024;
                dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
                dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
                dnum_sets = dsize / (dline_size * dnum_ways);

                fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
                fdt_setprop_cell(blob, off, "d-cache-size", dsize);
                fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);

#ifdef CONFIG_SYS_CACHE_STASHING
                {
                        u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
                        if (reg)
                                fdt_setprop_cell(blob, off, "cache-stash-id",
                                         (*reg * 2) + 32 + 0);
                }
#endif

                /* i-side config */
                isize = (l1cfg1 & 0x7ff) * 1024;
                inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
                iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
                inum_sets = isize / (iline_size * inum_ways);

                fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
                fdt_setprop_cell(blob, off, "i-cache-size", isize);
                fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);

                off = fdt_node_offset_by_prop_value(blob, off,
                                "device_type", "cpu", 4);
        }

        ft_fixup_l2cache(blob);
}


void fdt_add_enet_stashing(void *fdt)
{
        do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);

        do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);

        do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
        do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1);
        do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1);
        do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1);
}

#if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
#ifdef CONFIG_SYS_DPAA_FMAN
static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
                          unsigned long freq)
{
        phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
        int off = fdt_node_offset_by_compat_reg(blob, compat, phys);

        if (off >= 0) {
                off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
                if (off > 0)
                        printf("WARNING enable to set clock-frequency "
                                "for %s: %s\n", compat, fdt_strerror(off));
        }
}
#endif

static void ft_fixup_dpaa_clks(void *blob)
{
        sys_info_t sysinfo;

        get_sys_info(&sysinfo);
#ifdef CONFIG_SYS_DPAA_FMAN
        ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
                        sysinfo.freqFMan[0]);

#if (CONFIG_SYS_NUM_FMAN == 2)
        ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
                        sysinfo.freqFMan[1]);
#endif
#endif

#ifdef CONFIG_SYS_DPAA_QBMAN
        do_fixup_by_compat_u32(blob, "fsl,qman",
                        "clock-frequency", sysinfo.freqQMAN, 1);
#endif

#ifdef CONFIG_SYS_DPAA_PME
        do_fixup_by_compat_u32(blob, "fsl,pme",
                "clock-frequency", sysinfo.freqPME, 1);
#endif
}
#else
#define ft_fixup_dpaa_clks(x)
#endif

#ifdef CONFIG_QE
static void ft_fixup_qe_snum(void *blob)
{
        unsigned int svr;

        svr = mfspr(SPRN_SVR);
        if (SVR_SOC_VER(svr) == SVR_8569) {
                if(IS_SVR_REV(svr, 1, 0))
                        do_fixup_by_compat_u32(blob, "fsl,qe",
                                "fsl,qe-num-snums", 46, 1);
                else
                        do_fixup_by_compat_u32(blob, "fsl,qe",
                                "fsl,qe-num-snums", 76, 1);
        }
}
#endif

/**
 * fdt_fixup_fman_firmware -- insert the Fman firmware into the device tree
 *
 * The binding for an Fman firmware node is documented in
 * Documentation/powerpc/dts-bindings/fsl/dpaa/fman.txt.  This node contains
 * the actual Fman firmware binary data.  The operating system is expected to
 * be able to parse the binary data to determine any attributes it needs.
 */
#ifdef CONFIG_SYS_DPAA_FMAN
void fdt_fixup_fman_firmware(void *blob)
{
        int rc, fmnode, fwnode = -1;
        uint32_t phandle;
        struct qe_firmware *fmanfw;
        const struct qe_header *hdr;
        unsigned int length;
        uint32_t crc;
        const char *p;

        /* The first Fman we find will contain the actual firmware. */
        fmnode = fdt_node_offset_by_compatible(blob, -1, "fsl,fman");
        if (fmnode < 0)
                /* Exit silently if there are no Fman devices */
                return;

        /* If we already have a firmware node, then also exit silently. */
        if (fdt_node_offset_by_compatible(blob, -1, "fsl,fman-firmware") > 0)
                return;

        /* If the environment variable is not set, then exit silently */
        p = getenv("fman_ucode");
        if (!p)
                return;

        fmanfw = (struct qe_firmware *) simple_strtoul(p, NULL, 0);
        if (!fmanfw)
                return;

        hdr = &fmanfw->header;
        length = be32_to_cpu(hdr->length);

        /* Verify the firmware. */
        if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
                (hdr->magic[2] != 'F')) {
                printf("Data at %p is not an Fman firmware\n", fmanfw);
                return;
        }

        if (length > CONFIG_SYS_QE_FMAN_FW_LENGTH) {
                printf("Fman firmware at %p is too large (size=%u)\n",
                       fmanfw, length);
                return;
        }

        length -= sizeof(u32);  /* Subtract the size of the CRC */
        crc = be32_to_cpu(*(u32 *)((void *)fmanfw + length));
        if (crc != crc32_no_comp(0, (void *)fmanfw, length)) {
                printf("Fman firmware at %p has invalid CRC\n", fmanfw);
                return;
        }

        /* Increase the size of the fdt to make room for the node. */
        rc = fdt_increase_size(blob, fmanfw->header.length);
        if (rc < 0) {
                printf("Unable to make room for Fman firmware: %s\n",
                        fdt_strerror(rc));
                return;
        }

        /* Create the firmware node. */
        fwnode = fdt_add_subnode(blob, fmnode, "fman-firmware");
        if (fwnode < 0) {
                char s[64];
                fdt_get_path(blob, fmnode, s, sizeof(s));
                printf("Could not add firmware node to %s: %s\n", s,
                       fdt_strerror(fwnode));
                return;
        }
        rc = fdt_setprop_string(blob, fwnode, "compatible", "fsl,fman-firmware");
        if (rc < 0) {
                char s[64];
                fdt_get_path(blob, fwnode, s, sizeof(s));
                printf("Could not add compatible property to node %s: %s\n", s,
                       fdt_strerror(rc));
                return;
        }
        phandle = fdt_create_phandle(blob, fwnode);
        if (!phandle) {
                char s[64];
                fdt_get_path(blob, fwnode, s, sizeof(s));
                printf("Could not add phandle property to node %s: %s\n", s,
                       fdt_strerror(rc));
                return;
        }
        rc = fdt_setprop(blob, fwnode, "fsl,firmware", fmanfw, fmanfw->header.length);
        if (rc < 0) {
                char s[64];
                fdt_get_path(blob, fwnode, s, sizeof(s));
                printf("Could not add firmware property to node %s: %s\n", s,
                       fdt_strerror(rc));
                return;
        }

        /* Find all other Fman nodes and point them to the firmware node. */
        while ((fmnode = fdt_node_offset_by_compatible(blob, fmnode, "fsl,fman")) > 0) {
                rc = fdt_setprop_cell(blob, fmnode, "fsl,firmware-phandle", phandle);
                if (rc < 0) {
                        char s[64];
                        fdt_get_path(blob, fmnode, s, sizeof(s));
                        printf("Could not add pointer property to node %s: %s\n",
                               s, fdt_strerror(rc));
                        return;
                }
        }
}
#else
#define fdt_fixup_fman_firmware(x)
#endif

#if defined(CONFIG_PPC_P4080)
static void fdt_fixup_usb(void *fdt)
{
        ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
        u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
        int off;

        off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-mph");
        if ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) !=
                                FSL_CORENET_RCWSR11_EC1_FM1_USB1)
                fdt_status_disabled(fdt, off);

        off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-dr");
        if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) !=
                                FSL_CORENET_RCWSR11_EC2_USB2)
                fdt_status_disabled(fdt, off);
}
#else
#define fdt_fixup_usb(x)
#endif

void ft_cpu_setup(void *blob, bd_t *bd)
{
        int off;
        int val;
        sys_info_t sysinfo;

        /* delete crypto node if not on an E-processor */
        if (!IS_E_PROCESSOR(get_svr()))
                fdt_fixup_crypto_node(blob, 0);
#if CONFIG_SYS_FSL_SEC_COMPAT >= 4
        else {
                ccsr_sec_t __iomem *sec;

                sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
                fdt_fixup_crypto_node(blob, in_be32(&sec->secvid_ms));
        }
#endif

        fdt_fixup_ethernet(blob);

        fdt_add_enet_stashing(blob);

        do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
                "timebase-frequency", get_tbclk(), 1);
        do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
                "bus-frequency", bd->bi_busfreq, 1);
        get_sys_info(&sysinfo);
        off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
        while (off != -FDT_ERR_NOTFOUND) {
                u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
                val = cpu_to_fdt32(sysinfo.freqProcessor[*reg]);
                fdt_setprop(blob, off, "clock-frequency", &val, 4);
                off = fdt_node_offset_by_prop_value(blob, off, "device_type",
                                                        "cpu", 4);
        }
        do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
                "bus-frequency", bd->bi_busfreq, 1);

        do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
                "bus-frequency", gd->arch.lbc_clk, 1);
        do_fixup_by_compat_u32(blob, "fsl,elbc",
                "bus-frequency", gd->arch.lbc_clk, 1);
#ifdef CONFIG_QE
        ft_qe_setup(blob);
        ft_fixup_qe_snum(blob);
#endif

        fdt_fixup_fman_firmware(blob);

#ifdef CONFIG_SYS_NS16550
        do_fixup_by_compat_u32(blob, "ns16550",
                "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
#endif

#ifdef CONFIG_CPM2
        do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
                "current-speed", bd->bi_baudrate, 1);

        do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
                "clock-frequency", bd->bi_brgfreq, 1);
#endif

#ifdef CONFIG_FSL_CORENET
        do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
                "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
        do_fixup_by_compat_u32(blob, "fsl,mpic",
                "clock-frequency", get_bus_freq(0)/2, 1);
#else
        do_fixup_by_compat_u32(blob, "fsl,mpic",
                "clock-frequency", get_bus_freq(0), 1);
#endif

        fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);

#ifdef CONFIG_MP
        ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
        ft_fixup_num_cores(blob);
#endif

        ft_fixup_cache(blob);

#if defined(CONFIG_FSL_ESDHC)
        fdt_fixup_esdhc(blob, bd);
#endif

        ft_fixup_dpaa_clks(blob);

#if defined(CONFIG_SYS_BMAN_MEM_PHYS)
        fdt_portal(blob, "fsl,bman-portal", "bman-portals",
                        (u64)CONFIG_SYS_BMAN_MEM_PHYS,
                        CONFIG_SYS_BMAN_MEM_SIZE);
        fdt_fixup_bportals(blob);
#endif

#if defined(CONFIG_SYS_QMAN_MEM_PHYS)
        fdt_portal(blob, "fsl,qman-portal", "qman-portals",
                        (u64)CONFIG_SYS_QMAN_MEM_PHYS,
                        CONFIG_SYS_QMAN_MEM_SIZE);

        fdt_fixup_qportals(blob);
#endif

#ifdef CONFIG_SYS_SRIO
        ft_srio_setup(blob);
#endif

        /*
         * system-clock = CCB clock/2
         * Here gd->bus_clk = CCB clock
         * We are using the system clock as 1588 Timer reference
         * clock source select
         */
        do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
                        "timer-frequency", gd->bus_clk/2, 1);

        /*
         * clock-freq should change to clock-frequency and
         * flexcan-v1.0 should change to p1010-flexcan respectively
         * in the future.
         */
        do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
                        "clock_freq", gd->bus_clk/2, 1);

        do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
                        "clock-frequency", gd->bus_clk/2, 1);

        do_fixup_by_compat_u32(blob, "fsl,p1010-flexcan",
                        "clock-frequency", gd->bus_clk/2, 1);

        fdt_fixup_usb(blob);
}

/*
 * For some CCSR devices, we only have the virtual address, not the physical
 * address.  This is because we map CCSR as a whole, so we typically don't need
 * a macro for the physical address of any device within CCSR.  In this case,
 * we calculate the physical address of that device using it's the difference
 * between the virtual address of the device and the virtual address of the
 * beginning of CCSR.
 */
#define CCSR_VIRT_TO_PHYS(x) \
        (CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR))

static void msg(const char *name, uint64_t uaddr, uint64_t daddr)
{
        printf("Warning: U-Boot configured %s at address %llx,\n"
               "but the device tree has it at %llx\n", name, uaddr, daddr);
}

/*
 * Verify the device tree
 *
 * This function compares several CONFIG_xxx macros that contain physical
 * addresses with the corresponding nodes in the device tree, to see if
 * the physical addresses are all correct.  For example, if
 * CONFIG_SYS_NS16550_COM1 is defined, then it contains the virtual address
 * of the first UART.  We convert this to a physical address and compare
 * that with the physical address of the first ns16550-compatible node
 * in the device tree.  If they don't match, then we display a warning.
 *
 * Returns 1 on success, 0 on failure
 */
int ft_verify_fdt(void *fdt)
{
        uint64_t addr = 0;
        int aliases;
        int off;

        /* First check the CCSR base address */
        off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4);
        if (off > 0)
                addr = fdt_get_base_address(fdt, off);

        if (!addr) {
                printf("Warning: could not determine base CCSR address in "
                       "device tree\n");
                /* No point in checking anything else */
                return 0;
        }

        if (addr != CONFIG_SYS_CCSRBAR_PHYS) {
                msg("CCSR", CONFIG_SYS_CCSRBAR_PHYS, addr);
                /* No point in checking anything else */
                return 0;
        }

        /*
         * Check some nodes via aliases.  We assume that U-Boot and the device
         * tree enumerate the devices equally.  E.g. the first serial port in
         * U-Boot is the same as "serial0" in the device tree.
         */
        aliases = fdt_path_offset(fdt, "/aliases");
        if (aliases > 0) {
#ifdef CONFIG_SYS_NS16550_COM1
                if (!fdt_verify_alias_address(fdt, aliases, "serial0",
                        CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM1)))
                        return 0;
#endif

#ifdef CONFIG_SYS_NS16550_COM2
                if (!fdt_verify_alias_address(fdt, aliases, "serial1",
                        CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM2)))
                        return 0;
#endif
        }

        /*
         * The localbus node is typically a root node, even though the lbc
         * controller is part of CCSR.  If we were to put the lbc node under
         * the SOC node, then the 'ranges' property in the lbc node would
         * translate through the 'ranges' property of the parent SOC node, and
         * we don't want that.  Since it's a separate node, it's possible for
         * the 'reg' property to be wrong, so check it here.  For now, we
         * only check for "fsl,elbc" nodes.
         */
#ifdef CONFIG_SYS_LBC_ADDR
        off = fdt_node_offset_by_compatible(fdt, -1, "fsl,elbc");
        if (off > 0) {
                const fdt32_t *reg = fdt_getprop(fdt, off, "reg", NULL);
                if (reg) {
                        uint64_t uaddr = CCSR_VIRT_TO_PHYS(CONFIG_SYS_LBC_ADDR);

                        addr = fdt_translate_address(fdt, off, reg);
                        if (uaddr != addr) {
                                msg("the localbus", uaddr, addr);
                                return 0;
                        }
                }
        }
#endif

        return 1;
}