示例#1
0
static void platform_fixups(void)
{
    u64 val;
    void *nvrtc;

    dt_fixup_memory(0, mem_size);
    planetcore_set_mac_addrs(table);

    if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
        printf("No PlanetCore crystal frequency key.\r\n");
        return;
    }
    ibm405gp_fixup_clocks(val, 0xa8c000);
    ibm4xx_quiesce_eth((u32 *)0xef600800, NULL);
    ibm4xx_fixup_ebc_ranges("/plb/ebc");

    if (!planetcore_get_decimal(table, PLANETCORE_KEY_KB_NVRAM, &val)) {
        printf("No PlanetCore NVRAM size key.\r\n");
        return;
    }
    nvrtc = finddevice("/plb/ebc/nvrtc@4,200000");
    if (nvrtc != NULL) {
        u32 reg[3] = { 4, 0x200000, 0};
        getprop(nvrtc, "reg", reg, 3);
        reg[2] = (val << 10) & 0xffffffff;
        setprop(nvrtc, "reg", reg, 3);
    }
}
void planetcore_set_serial_speed(const char *table)
{
	void *chosen, *stdout;
	u64 baud;
	u32 baud32;
	int len;

	chosen = finddevice("/chosen");
	if (!chosen)
		return;

	len = getprop(chosen, "linux,stdout-path", prop_buf, MAX_PROP_LEN);
	if (len <= 0)
		return;

	stdout = finddevice(prop_buf);
	if (!stdout) {
		printf("planetcore_set_serial_speed: "
		       "Bad /chosen/linux,stdout-path.\r\n");

		return;
	}

	if (!planetcore_get_decimal(table, PLANETCORE_KEY_SERIAL_BAUD,
	                            &baud)) {
		printf("planetcore_set_serial_speed: No SB tag.\r\n");
		return;
	}

	baud32 = baud;
	setprop(stdout, "current-speed", &baud32, 4);
}
示例#3
0
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
                   unsigned long r6, unsigned long r7)
{
    table = (char *)r3;
    planetcore_prepare_table(table);

    if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
        return;

    mem_size *= 1024 * 1024;
    simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);

    fdt_init(_dtb_start);

    planetcore_set_stdout_path(table);

    serial_console_init();
    platform_ops.fixups = platform_fixups;
}