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soc: versatile: dynamically detect RealView HBI numbers

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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
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19
drivers/soc/versatile/soc-realview.c
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@ -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;
}