Message ID | 20210721141725.23346-32-peng.fan@oss.nxp.com |
---|---|
State | Superseded |
Delegated to: | Stefano Babic |
Headers | show
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Wed, 21 Jul 2021 13:44:36 +0000 From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com> To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Ye Li <ye.li@nxp.com>, Peng Fan <peng.fan@nxp.com> Subject: [PATCH V4 31/44] arm: imx8ulp: Probe the S400 MU device in arch init Date: Wed, 21 Jul 2021 22:17:12 +0800 Message-Id: <20210721141725.23346-32-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210721141725.23346-1-peng.fan@oss.nxp.com> References: <20210721141725.23346-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: SG2PR0401CA0015.apcprd04.prod.outlook.com (2603:1096:3:1::25) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-1xn6.ap.freescale.net (119.31.174.71) by SG2PR0401CA0015.apcprd04.prod.outlook.com (2603:1096:3:1::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4331.21 via Frontend Transport; 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Series |
imx: add i.MX8ULP support
|
expand
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diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c index c5e20408c6..8828a94318 100644 --- a/arch/arm/mach-imx/imx8ulp/soc.c +++ b/arch/arm/mach-imx/imx8ulp/soc.c @@ -16,6 +16,12 @@ #include <asm/arch/mu_hal.h> #include <cpu_func.h> #include <asm/setup.h> +#include <dm.h> +#include <dm/device-internal.h> +#include <dm/lists.h> +#include <dm/uclass.h> +#include <dm/device.h> +#include <dm/uclass-internal.h> DECLARE_GLOBAL_DATA_PTR; @@ -322,7 +328,18 @@ int dram_init(void) #ifdef CONFIG_SERIAL_TAG void get_board_serial(struct tag_serialnr *serialnr) { - /* TODO */ + u32 uid[4]; + u32 res; + int ret; + + ret = ahab_read_common_fuse(1, uid, 4, &res); + if (ret) + printf("ahab read fuse failed %d, 0x%x\n", ret, res); + else + printf("UID 0x%x,0x%x,0x%x,0x%x\n", uid[0], uid[1], uid[2], uid[3]); + + serialnr->low = uid[0]; + serialnr->high = uid[3]; } #endif @@ -396,6 +413,22 @@ int arch_cpu_init(void) return 0; } +int arch_cpu_init_dm(void) +{ + struct udevice *devp; + int node, ret; + + node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "fsl,imx8ulp-mu"); + + ret = uclass_get_device_by_of_offset(UCLASS_MISC, node, &devp); + if (ret) { + printf("could not get S400 mu %d\n", ret); + return ret; + } + + return 0; +} + #if defined(CONFIG_SPL_BUILD) __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) {