openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

soc: versatile: dynamically detect RealView HBI numbers 

We cannot pile all numbers on this list, just print the three hex
digits representing the board ID so we can handle all the new
RealView boards.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2016-02-18 14:21:54 +01:00
parent 9735a22799
commit fccc2b3675
1 changed files with 4 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/soc/versatile/soc-realview.c
View File

@ -31,18 +31,6 @@ static const struct of_device_id realview_soc_of_match[] = {
static u32 realview_coreid;
static const char *realview_board_str(u32 id)
{
switch ((id >> 16) & 0xfff) {
case 0x0147:
return "HBI-0147";
case 0x0159:
return "HBI-0159";
default:
return "Unknown";
}
}
static const char *realview_arch_str(u32 id)
{
switch ((id >> 8) & 0xf) {
@ -69,7 +57,7 @@ static ssize_t realview_get_board(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%s\n", realview_board_str(realview_coreid));
return sprintf(buf, "HBI-%03x\n", ((realview_coreid >> 16) & 0xfff));
}
static struct device_attribute realview_board_attr =
@ -133,8 +121,9 @@ static int realview_soc_probe(struct platform_device *pdev)
device_create_file(soc_device_to_device(soc_dev), &realview_arch_attr);
device_create_file(soc_device_to_device(soc_dev), &realview_build_attr);
dev_info(&pdev->dev, "RealView Syscon Core ID: 0x%08x\n",
realview_coreid);
dev_info(&pdev->dev, "RealView Syscon Core ID: 0x%08x, HBI-%03x\n",
realview_coreid,
((realview_coreid >> 16) & 0xfff));
/* FIXME: add attributes for SoC to sysfs */
return 0;
}