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 if (fdt_path_offset(blob, "/plb/opb/ebc") >= 0) {
51 rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
55 * Some 405 PPC's have EBC as direct PLB child in the dts
57 rc = fdt_find_and_setprop(blob, "/plb/ebc", "ranges",
61 printf("Unable to update property NOR mapping, err=%s\n",
64 void ft_board_setup(void *blob, bd_t *bd) __attribute__((weak, alias("__ft_board_setup")));
67 * Fixup all PCIe nodes by setting the device_type property
68 * to "pci-endpoint" instead is "pci" for endpoint ports.
69 * This property will get checked later by the Linux driver
70 * to properly configure the PCIe port in Linux (again).
72 void fdt_pcie_setup(void *blob)
74 const char *compat = "ibm,plb-pciex";
75 const char *prop = "device_type";
76 const char *prop_val = "pci-endpoint";
81 /* Search first PCIe node */
82 no = fdt_node_offset_by_compatible(blob, -1, compat);
83 while (no != -FDT_ERR_NOTFOUND) {
84 port = fdt_getprop(blob, no, "port", NULL);
86 printf("WARNING: could not find port property\n");
88 if (is_end_point(*port)) {
89 rc = fdt_setprop(blob, no, prop, prop_val,
90 strlen(prop_val) + 1);
92 printf("WARNING: could not set %s for %s: %s.\n",
93 prop, compat, fdt_strerror(rc));
97 /* Jump to next PCIe node */
98 no = fdt_node_offset_by_compatible(blob, no, compat);
102 void ft_cpu_setup(void *blob, bd_t *bd)
106 get_sys_info(&sys_info);
108 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency",
110 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "clock-frequency",
112 do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
113 do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
115 if (fdt_path_offset(blob, "/plb/opb/ebc") >= 0)
116 do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
117 sys_info.freqEBC, 1);
119 do_fixup_by_path_u32(blob, "/plb/ebc", "clock-frequency",
120 sys_info.freqEBC, 1);
122 fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
125 * Setup all baudrates for the UARTs
127 do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
130 * Fixup all ethernet nodes
131 * Note: aliases in the dts are required for this
133 fdt_fixup_ethernet(blob, bd);
136 * Fixup all available PCIe nodes by setting the device_type property
138 fdt_pcie_setup(blob);
140 #endif /* CONFIG_OF_LIBFDT && CONFIG_OF_BOARD_SETUP */