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)
32 #include <libfdt_env.h>
33 #include <fdt_support.h>
34 #include <asm/4xx_pcie.h>
36 DECLARE_GLOBAL_DATA_PTR;
39 * Fixup all PCIe nodes by setting the device_type property
40 * to "pci-endpoint" instead is "pci" for endpoint ports.
41 * This property will get checked later by the Linux driver
42 * to properly configure the PCIe port in Linux (again).
44 void fdt_pcie_setup(void *blob)
46 const char *compat = "ibm,plb-pciex";
47 const char *prop = "device_type";
48 const char *prop_val = "pci-endpoint";
53 /* Search first PCIe node */
54 no = fdt_node_offset_by_compatible(blob, -1, compat);
55 while (no != -FDT_ERR_NOTFOUND) {
56 port = fdt_getprop(blob, no, "port", NULL);
58 printf("WARNING: could not find port property\n");
60 if (is_end_point(*port)) {
61 rc = fdt_setprop(blob, no, prop, prop_val,
62 strlen(prop_val) + 1);
64 printf("WARNING: could not set %s for %s: %s.\n",
65 prop, compat, fdt_strerror(rc));
69 /* Jump to next PCIe node */
70 no = fdt_node_offset_by_compatible(blob, no, compat);
74 void ft_cpu_setup(void *blob, bd_t *bd)
78 get_sys_info(&sys_info);
80 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency",
82 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "clock-frequency",
84 do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
85 do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
87 if (fdt_path_offset(blob, "/plb/opb/ebc") >= 0)
88 do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency",
91 do_fixup_by_path_u32(blob, "/plb/ebc", "clock-frequency",
94 fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
97 * Setup all baudrates for the UARTs
99 do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1);
102 * Fixup all ethernet nodes
103 * Note: aliases in the dts are required for this
105 fdt_fixup_ethernet(blob, bd);
108 * Fixup all available PCIe nodes by setting the device_type property
110 fdt_pcie_setup(blob);
112 #endif /* CONFIG_OF_LIBFDT */