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| author | Peng Fan <peng.fan@nxp.com> | 2020-05-03 21:58:51 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2020-05-03 15:45:49 +0200 |
| commit | adb3bd7654467765ecb271a21953739679638f01 (patch) | |
| tree | ea6c621a54d566d28e0563f4c8c6dd65e133f35b /drivers/cpu | |
| parent | f5b66af2cb18b1577b2898413e98df7dcd9bc67f (diff) | |
| download | u-boot-adb3bd7654467765ecb271a21953739679638f01.zip u-boot-adb3bd7654467765ecb271a21953739679638f01.tar.gz u-boot-adb3bd7654467765ecb271a21953739679638f01.tar.bz2 | |
cpu: imx8: reimplement get cpu count
Return 4 is not correct on i.MX8DX/DXL/8QM and etc. we need to count
available cpu node with device_type "cpu".
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'drivers/cpu')
| -rw-r--r-- | drivers/cpu/imx8_cpu.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/cpu/imx8_cpu.c b/drivers/cpu/imx8_cpu.c index 9565368..7c54c29 100644 --- a/drivers/cpu/imx8_cpu.c +++ b/drivers/cpu/imx8_cpu.c @@ -118,7 +118,24 @@ static int cpu_imx_get_info(struct udevice *dev, struct cpu_info *info) static int cpu_imx_get_count(struct udevice *dev) { - return 4; + ofnode node; + int num = 0; + + ofnode_for_each_subnode(node, dev_ofnode(dev->parent)) { + const char *device_type; + + if (!ofnode_is_available(node)) + continue; + + device_type = ofnode_read_string(node, "device_type"); + if (!device_type) + continue; + + if (!strcmp(device_type, "cpu")) + num++; + } + + return num; } static int cpu_imx_get_vendor(struct udevice *dev, char *buf, int size) |