diff --git a/target/linux/sunxi/patches-6.1/101-sunxi-add-get_soc_chipid-and-sunxi_get_serial.patch b/target/linux/sunxi/patches-6.1/101-sunxi-add-get_soc_chipid-and-sunxi_get_serial.patch new file mode 100644 index 000000000..831465d13 --- /dev/null +++ b/target/linux/sunxi/patches-6.1/101-sunxi-add-get_soc_chipid-and-sunxi_get_serial.patch @@ -0,0 +1,57 @@ +From caaa7def76801cbe9937602603f6b471f776e6f6 Mon Sep 17 00:00:00 2001 +From: The-going <48602507+The-going@users.noreply.github.com> +Date: Sat, 16 Apr 2022 11:19:05 +0300 +Subject: [PATCH] nvmem: sunxi_sid: add sunxi_get_soc_chipid, sunxi_get_serial + +--- + drivers/nvmem/sunxi_sid.c | 28 ++++++++++++++++++++++++++++ + 1 file changed, 28 insertions(+) + +diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c +index 37a6abb0e..c81fac63d 100644 +--- a/drivers/nvmem/sunxi_sid.c ++++ b/drivers/nvmem/sunxi_sid.c +@@ -37,6 +37,25 @@ struct sunxi_sid { + u32 value_offset; + }; + ++static unsigned int sunxi_soc_chipid[4]; ++static unsigned int sunxi_serial[4]; ++ ++int sunxi_get_soc_chipid(unsigned char *chipid) ++{ ++ memcpy(chipid, sunxi_soc_chipid, 16); ++ ++ return 0; ++} ++EXPORT_SYMBOL(sunxi_get_soc_chipid); ++ ++int sunxi_get_serial(unsigned char *serial) ++{ ++ memcpy(serial, sunxi_serial, 16); ++ ++ return 0; ++} ++EXPORT_SYMBOL(sunxi_get_serial); ++ + static int sunxi_sid_read(void *context, unsigned int offset, + void *val, size_t bytes) + { +@@ -167,6 +186,15 @@ static int sunxi_sid_probe(struct platform_device *pdev) + + platform_set_drvdata(pdev, nvmem); + ++ nvmem_cfg->reg_read(sid, 0, &sunxi_soc_chipid[0], sizeof(int)); ++ nvmem_cfg->reg_read(sid, 4, &sunxi_soc_chipid[1], sizeof(int)); ++ nvmem_cfg->reg_read(sid, 8, &sunxi_soc_chipid[2], sizeof(int)); ++ nvmem_cfg->reg_read(sid, 12, &sunxi_soc_chipid[3], sizeof(int)); ++ ++ sunxi_serial[0] = sunxi_soc_chipid[3]; ++ sunxi_serial[1] = sunxi_soc_chipid[2]; ++ sunxi_serial[2] = (sunxi_soc_chipid[1] >> 16) & 0x0ffff; ++ + return 0; + } + +-- +2.34.1