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Commit 90f0d2b3 authored Oct 30, 2017 by Geert Uytterhoeven Committed by Simon Horman Nov 27, 2017

soc: renesas: Identify R-Car M3-W ES1.1



The Product Register of R-Car M3-W ES1.1 incorrectly identifies the SoC
revision as ES2.0.  Add a workaround to fix this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

parent 4fbd8d19

drivers/soc/renesas/renesas-soc.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -250,6 +250,9 @@ static int __init renesas_soc_init(void)
		if (chipid) {
		product = readl(chipid);
		iounmap(chipid);
		/* R-Car M3-W ES1.1 incorrectly identifies as ES2.0 */
		if ((product & 0x7fff) == 0x5210)
		product ^= 0x11;
		if (soc->id && ((product >> 8) & 0xff) != soc->id) {
		pr_warn("SoC mismatch (product = 0x%x)\n", product);
		return -ENODEV;