2 * (C) Copyright 2007-2008
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/cache.h>
30 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
32 #include <libfdt_env.h>
33 #include <fdt_support.h>
34 #include <asm/4xx_pcie.h>
36 DECLARE_GLOBAL_DATA_PTR;
38 void __ft_board_setup(void *blob, bd_t *bd)
43 ft_cpu_setup(blob, bd);
45 /* Fixup NOR mapping */
46 val[0] = 0; /* chip select number */
47 val[1] = 0; /* always 0 */
48 val[2] = gd->bd->bi_flashstart;
49 val[3] = gd->bd->bi_flashsize;
50 rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
53 printf("Unable to update property NOR mapping, err=%s\n",
56 void ft_board_setup(void *blob, bd_t *bd) __attribute__((weak, alias("__ft_board_setup")));
59 * Fixup all PCIe nodes by setting the device_type property
60 * to "pci-endpoint" instead is "pci" for endpoint ports.
61 * This property will get checked later by the Linux driver
62 * to properly configure the PCIe port in Linux (again).
64 void fdt_pcie_setup(void *blob)
66 const char *compat = "ibm,plb-pciex";
67 const char *prop = "device_type";
68 const char *prop_val = "pci-endpoint";
73 /* Search first PCIe node */
74 no = fdt_node_offset_by_compatible(blob, -1, compat);
75 while (no != -FDT_ERR_NOTFOUND) {
76 port = fdt_getprop(blob, no, "port", NULL);
78 printf("WARNING: could not find port property\n");
80 if (is_end_point(*port)) {
81 rc = fdt_setprop(blob, no, prop, prop_val,
82 strlen(prop_val) + 1);
84 printf("WARNING: could not set %s for %s: %s.\n",
85 prop, compat, fdt_strerror(rc));
89 /* Jump to next PCIe node */
90 no = fdt_node_offset_by_compatible(blob, no, compat);
94 void ft_cpu_setup(void *blob, bd_t *bd)
98 get_sys_info(&sys_info);
100 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency",
102 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "clock-frequency",
104 do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
105 do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
107 if (fdt_path_offset(blob, "/plb/opb/ebc") >= 0)
108 do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
109 sys_info.freqEBC, 1);
111 do_fixup_by_path_u32(blob, "/plb/ebc", "clock-frequency",
112 sys_info.freqEBC, 1);
114 fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
117 * Setup all baudrates for the UARTs
119 do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
122 * Fixup all ethernet nodes
123 * Note: aliases in the dts are required for this
125 fdt_fixup_ethernet(blob, bd);
128 * Fixup all available PCIe nodes by setting the device_type property
130 fdt_pcie_setup(blob);
132 #endif /* CONFIG_OF_LIBFDT && CONFIG_OF_BOARD_SETUP */