| From | Andreas Färber <> | Subject | [RFC 10/11] soc: realtek: chip: Detect RTD1294 | Date | Sun, 3 Nov 2019 02:36:44 +0100 |
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Detection logic from downstream include/soc/realtek/rtd129x_cpu.h.
Signed-off-by: Andreas Färber <afaerber@suse.de> --- drivers/soc/realtek/chip.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/soc/realtek/chip.c b/drivers/soc/realtek/chip.c index f4b26fb048c7..e13339a4ca2e 100644 --- a/drivers/soc/realtek/chip.c +++ b/drivers/soc/realtek/chip.c @@ -54,6 +54,14 @@ static const char *rtd1295_name(struct device *dev, const struct rtd_soc *s) { void __iomem *base; + base = of_iomap(dev->of_node, 2); + if (base) { + u32 efuse = readl_relaxed(base); + iounmap(base); + if ((efuse & 0x3) == 0x1) + return "RTD1294"; + } + base = of_iomap(dev->of_node, 1); if (base) { u32 chipinfo1 = readl_relaxed(base); -- 2.16.4
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