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![Stefan Roese](/assets/img/avatar_default.png)
This patch update the 4xx fdt support. It enabled fdt booting on the AMCC Kilauea and Sequoia for now. More can follow later quite easily. Signed-off-by: Stefan Roese <sr@denx.de>
133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/*
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* (C) Copyright 2007
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/* define DEBUG for debugging output (obviously ;-)) */
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#if 0
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#define DEBUG
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#endif
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#include <common.h>
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#include <watchdog.h>
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#include <command.h>
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#include <asm/cache.h>
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#include <ppc4xx.h>
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#if defined(CONFIG_OF_LIBFDT)
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#include <libfdt.h>
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#include <libfdt_env.h>
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#include <fdt_support.h>
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DECLARE_GLOBAL_DATA_PTR;
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/*
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* The aliases needed for this generic etherne MAC address
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* fixup function are not in place yet. So don't use this
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* approach for now. This will be enabled later.
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*/
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#undef USES_FDT_ALIASES
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#ifndef USES_FDT_ALIASES
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static void do_fixup_macaddr(void *fdt, int offset, const void *val, int i)
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{
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int rc;
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debug("Updating node EMAC%d\n", i);
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rc = fdt_setprop(fdt, offset, "mac-address", val, 6);
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if (rc)
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printf("Unable to update property %s, err=%s\n",
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"mac-address", fdt_strerror(rc));
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rc = fdt_setprop(fdt, offset, "local-mac-address", val, 6);
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if (rc)
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printf("Unable to update property %s, err=%s\n",
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"local-mac-address", fdt_strerror(rc));
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}
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#endif /* USES_FDT_ALIASES */
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void ft_cpu_setup(void *blob, bd_t *bd)
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{
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char *cpu_path = "/cpus/" OF_CPU;
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sys_info_t sys_info;
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int offset;
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int i;
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get_sys_info(&sys_info);
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do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", bd->bi_intfreq, 1);
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do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
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do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
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do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
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do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
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sys_info.freqEBC, 1);
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fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
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/*
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* Setup all baudrates for the UARTs
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*/
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do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
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#ifdef USES_FDT_ALIASES
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/*
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* The aliases needed for this generic etherne MAC address
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* fixup function are not in place yet. So don't use this
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* approach for now. This will be enabled later.
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*/
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fdt_fixup_ethernet(blob, bd);
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#else
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offset = -1;
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for (i = 0; i < 4; i++) {
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/*
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* FIXME: This will cause problems with emac3 compatible
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* devices, like on 405GP. But hopefully when we deal
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* with those devices, the aliases stuff will be in
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* place.
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*/
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offset = fdt_node_offset_by_compatible(blob, offset, "ibm,emac4");
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if (offset < 0)
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break;
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switch (i) {
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case 0:
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do_fixup_macaddr(blob, offset, bd->bi_enetaddr, 0);
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break;
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#ifdef CONFIG_HAS_ETH1
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case 1:
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do_fixup_macaddr(blob, offset, bd->bi_enet1addr, 1);
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break;
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#endif
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#ifdef CONFIG_HAS_ETH2
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case 2:
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do_fixup_macaddr(blob, offset, bd->bi_enet2addr, 2);
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break;
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#endif
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#ifdef CONFIG_HAS_ETH3
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case 3:
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do_fixup_macaddr(blob, offset, bd->bi_enet3addr, 3);
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break;
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#endif
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}
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}
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#endif /* USES_FDT_ALIASES */
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}
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#endif /* CONFIG_OF_LIBFDT */
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