diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0002-soc-aspeed-add-AST2600-A0-specific-fix-into-mbox-dri.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0002-soc-aspeed-add-AST2600-A0-specific-fix-into-mbox-dri.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0002-soc-aspeed-add-AST2600-A0-specific-fix-into-mbox-dri.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0002-soc-aspeed-add-AST2600-A0-specific-fix-into-mbox-dri.patch new file mode 100644 index 000000000..1e1dac7a8 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0002-soc-aspeed-add-AST2600-A0-specific-fix-into-mbox-dri.patch @@ -0,0 +1,42 @@ +From ae96ce5f2a5bd76b234cea6fc3f0bf1df74387f3 Mon Sep 17 00:00:00 2001 +From: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +Date: Thu, 4 Feb 2021 00:29:55 -0800 +Subject: [PATCH] soc: aspeed: add AST2600 A0 specific fix into mbox driver + +AST2600 A0 has the same LPC mbox register structure with AST2500 +but AST2600 A1 and later revision is different so this commit adds +AST2600 A0 specific fix into the mbox driver. + +Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com> +--- + drivers/soc/aspeed/aspeed-lpc-mbox.c | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/drivers/soc/aspeed/aspeed-lpc-mbox.c b/drivers/soc/aspeed/aspeed-lpc-mbox.c +index 8dd3345682c7..12bb436dda78 100644 +--- a/drivers/soc/aspeed/aspeed-lpc-mbox.c ++++ b/drivers/soc/aspeed/aspeed-lpc-mbox.c +@@ -363,6 +363,20 @@ static int aspeed_mbox_probe(struct platform_device *pdev) + return -EINVAL; + + config = match->data; ++ ++ if (of_device_is_compatible(pdev->dev.of_node, ++ "aspeed,ast2600-mbox")) { ++ #define REV_ID_IO_OFFSET 0x1e6e2014 ++ #define REV_ID_AST2600A0 0x05000303 ++ void __iomem *chip_id_base = devm_ioremap(&pdev->dev, ++ REV_ID_IO_OFFSET, ++ sizeof(u32)); ++ ++ if (!IS_ERR(chip_id_base) && ++ readl(chip_id_base) == REV_ID_AST2600A0) ++ config = &ast2500_config; ++ } ++ + memcpy(&mbox->configs, config, sizeof(mbox->configs)); + + rc = of_property_read_u32(dev->of_node, "reg", &mbox->base); +-- +2.17.1 + |