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,
24 /* define DEBUG for debugging output (obviously ;-)) */
32 #include <asm/cache.h>
35 #if defined(CONFIG_OF_LIBFDT)
37 #include <libfdt_env.h>
39 DECLARE_GLOBAL_DATA_PTR;
41 static void do_fixup(void *fdt, const char *node, const char *prop,
42 const void *val, int len, int create)
46 debug("Updating property '%s/%s' = ", node, prop);
47 for (i = 0; i < len; i++)
48 debug(" %.2x", *(u8*)(val+i));
49 debug("(%d)\n", *(u32 *)val);
51 int rc = fdt_find_and_setprop(fdt, node, prop, val, len, create);
53 printf("Unable to update property %s:%s, err=%s\n",
54 node, prop, fdt_strerror(rc));
57 static void do_fixup_macaddr(void *fdt, int offset, const void *val, int i)
61 debug("Updating node EMAC%d\n", i);
63 rc = fdt_setprop(fdt, offset, "mac-address", val, 6);
65 printf("Unable to update property %s, err=%s\n",
66 "mac-address", fdt_strerror(rc));
67 rc = fdt_setprop(fdt, offset, "local-mac-address", val, 6);
69 printf("Unable to update property %s, err=%s\n",
70 "local-mac-address", fdt_strerror(rc));
73 static void do_fixup_u32(void *fdt, const char *node, const char *prop,
76 val = cpu_to_fdt32(val);
77 do_fixup(fdt, node, prop, &val, sizeof(val), create);
80 static void do_fixup_uart(void *fdt, int offset, int i, bd_t *bd)
84 PPC4xx_SYS_INFO sys_info;
86 get_sys_info(&sys_info);
88 debug("Updating node UART%d: clock-frequency=%d\n", i, gd->uart_clk);
90 val = cpu_to_fdt32(gd->uart_clk);
91 rc = fdt_setprop(fdt, offset, "clock-frequency", &val, 4);
93 printf("Unable to update node UART, err=%s\n", fdt_strerror(rc));
95 val = cpu_to_fdt32(bd->bi_baudrate);
96 rc = fdt_setprop(fdt, offset, "current-speed", &val, 4);
98 printf("Unable to update node UART, err=%s\n", fdt_strerror(rc));
101 void ft_cpu_setup(void *blob, bd_t *bd)
103 char * cpu_path = "/cpus/" OF_CPU;
109 get_sys_info (&sys_info);
111 do_fixup_u32(blob, cpu_path, "timebase-frequency", bd->bi_intfreq, 1);
112 do_fixup_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1);
113 do_fixup_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1);
114 do_fixup_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1);
115 do_fixup_u32(blob, "/plb/opb/ebc", "clock-frequency", sys_info.freqEBC, 1);
117 /* update, or add and update /memory node */
118 offset = fdt_find_node_by_path(blob, "/memory");
120 offset = fdt_add_subnode(blob, 0, "memory");
122 debug("failed to add /memory node: %s\n",
123 fdt_strerror(offset));
126 fdt_setprop(blob, offset, "device_type",
127 "memory", sizeof("memory"));
128 tmp[0] = cpu_to_fdt32(bd->bi_memstart);
129 tmp[1] = cpu_to_fdt32(bd->bi_memsize);
130 fdt_setprop(blob, offset, "reg", tmp, sizeof(tmp));
131 debug("Updating /memory node to %d:%d\n",
132 bd->bi_memstart, bd->bi_memsize);
136 * Setup all baudrates for the UARTs
139 for (i = 0; i < 4; i++) {
140 offset = fdt_find_node_by_type(blob, offset, "serial");
144 do_fixup_uart(blob, offset, i, bd);
148 * Setup all MAC addresses in fdt
151 for (i = 0; i < 4; i++) {
152 offset = fdt_find_node_by_type(blob, offset, "network");
158 do_fixup_macaddr(blob, offset, bd->bi_enetaddr, 0);
160 #ifdef CONFIG_HAS_ETH1
162 do_fixup_macaddr(blob, offset, bd->bi_enet1addr, 1);
165 #ifdef CONFIG_HAS_ETH2
167 do_fixup_macaddr(blob, offset, bd->bi_enet2addr, 2);
170 #ifdef CONFIG_HAS_ETH3
172 do_fixup_macaddr(blob, offset, bd->bi_enet3addr, 3);
178 #endif /* CONFIG_OF_LIBFDT */