C++ (Cpp) find_node_by_devtypeの例

コード例 #1

ファイル: cuboot-85xx.c プロジェクト: cilynx/dd-wrt

static void platform_fixups(void)
{
	void *soc;

	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr,
	                       bd.bi_enet2addr);
	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);

	/* Unfortunately, the specific model number is encoded in the
	 * soc node name in existing dts files -- once that is fixed,
	 * this can do a simple path lookup.
	 */
	soc = find_node_by_devtype(NULL, "soc");
	if (soc) {
		void *serial = NULL;

		setprop(soc, "bus-frequency", &bd.bi_busfreq,
		        sizeof(bd.bi_busfreq));

		while ((serial = find_node_by_devtype(serial, "serial"))) {
			if (get_parent(serial) != soc)
				continue;

			setprop(serial, "clock-frequency", &bd.bi_busfreq,
			        sizeof(bd.bi_busfreq));
		}
	}
}

コード例 #2

ファイル: cuboot-85xx-cpm2.c プロジェクト: Blackburn29/PsycoKernel

static void platform_fixups(void)
{
	void *devp;

	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
	dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);

	devp = find_node_by_devtype(NULL, "soc");
	if (devp) {
		void *serial = NULL;

		setprop(devp, "bus-frequency", &bd.bi_busfreq,
		        sizeof(bd.bi_busfreq));

		while ((serial = find_node_by_devtype(serial, "serial"))) {
			if (get_parent(serial) != devp)
				continue;

			setprop(serial, "clock-frequency", &bd.bi_busfreq,
			        sizeof(bd.bi_busfreq));
		}
	}

	devp = find_node_by_compatible(NULL, "fsl,cpm2-brg");
	if (devp)
		setprop(devp, "clock-frequency", &bd.bi_brgfreq,
		        sizeof(bd.bi_brgfreq));
}

コード例 #3

ファイル: cuboot-85xx-cpm2.c プロジェクト: 0-T-0/ps4-linux

static void platform_fixups(void)
{
	void *devp;

	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
	dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);

	/* Unfortunately, the specific model number is encoded in the
	 * soc node name in existing dts files -- once that is fixed,
	 * this can do a simple path lookup.
	 */
	devp = find_node_by_devtype(NULL, "soc");
	if (devp) {
		void *serial = NULL;

		setprop(devp, "bus-frequency", &bd.bi_busfreq,
		        sizeof(bd.bi_busfreq));

		while ((serial = find_node_by_devtype(serial, "serial"))) {
			if (get_parent(serial) != devp)
				continue;

			setprop(serial, "clock-frequency", &bd.bi_busfreq,
			        sizeof(bd.bi_busfreq));
		}
	}

	devp = find_node_by_compatible(NULL, "fsl,cpm2-brg");
	if (devp)
		setprop(devp, "clock-frequency", &bd.bi_brgfreq,
		        sizeof(bd.bi_brgfreq));
}

コード例 #4

ファイル: cuboot-tl-wdr4900-v1.c プロジェクト: 020gzh/openwrt-mirror

static void platform_fixups(void)
{
	void *soc, *mpic;

	dt_fixup_memory(0, mem_size);

	dt_fixup_mac_address_by_alias("ethernet0", enetaddr);
	dt_fixup_cpu_clocks(int_freq, bus_freq / 8, bus_freq);

	/* Unfortunately, the specific model number is encoded in the
	 * soc node name in existing dts files -- once that is fixed,
	 * this can do a simple path lookup.
	 */
	soc = find_node_by_devtype(NULL, "soc");
	if (soc) {
		void *serial = NULL;

		setprop(soc, "bus-frequency", &bus_freq, sizeof(bus_freq));

		while ((serial = find_node_by_devtype(serial, "serial"))) {
			if (get_parent(serial) != soc)
				continue;

			setprop(serial, "clock-frequency", &bus_freq,
				sizeof(bus_freq));
		}
	}

	mpic = find_node_by_compatible(NULL, "fsl,mpic");
	if (mpic)
		setprop(mpic, "clock-frequency", &bus_freq, sizeof(bus_freq));
}

コード例 #5

ファイル: cuboot-mpc7448hpc2.c プロジェクト: avagin/linux

static void platform_fixups(void)
{
	void *tsi;

	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
	tsi = find_node_by_devtype(NULL, "tsi-bridge");
	if (tsi)
		setprop(tsi, "bus-frequency", &bd.bi_busfreq,
			sizeof(bd.bi_busfreq));
}

コード例 #6

ファイル: cuboot-824x.c プロジェクト: Medvedroid/OT_903D-kernel-2.6.35.7

static void platform_fixups(void)
{
	void *soc;

	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
	dt_fixup_mac_addresses(bd.bi_enetaddr);
	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);

	soc = find_node_by_devtype(NULL, "soc");
	if (soc) {
		void *serial = NULL;

		setprop(soc, "bus-frequency", &bd.bi_busfreq,
		        sizeof(bd.bi_busfreq));

		while ((serial = find_node_by_devtype(serial, "serial"))) {
			if (get_parent(serial) != soc)
				continue;

			setprop(serial, "clock-frequency", &bd.bi_busfreq,
			        sizeof(bd.bi_busfreq));
		}
	}
}

コード例 #7

ファイル: devtree.c プロジェクト: E-LLP/n900

void dt_fixup_cpu_clocks(u32 cpu, u32 tb, u32 bus)
{
	void *devp = NULL;

	printf("CPU clock-frequency <- 0x%x (%dMHz)\n\r", cpu, MHZ(cpu));
	printf("CPU timebase-frequency <- 0x%x (%dMHz)\n\r", tb, MHZ(tb));
	if (bus > 0)
		printf("CPU bus-frequency <- 0x%x (%dMHz)\n\r", bus, MHZ(bus));

	while ((devp = find_node_by_devtype(devp, "cpu"))) {
		setprop_val(devp, "clock-frequency", cpu);
		setprop_val(devp, "timebase-frequency", tb);
		if (bus > 0)
			setprop_val(devp, "bus-frequency", bus);
	}

	timebase_period_ns = 1000000000 / tb;
}