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Tue, 5 May 2020 12:05:50 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan Subject: [PATCH 01/10] imx: imx8qm/qxp: reserving DDR memory for M4 Date: Tue, 5 May 2020 20:28:37 +0800 Message-Id: <20200505122846.15992-2-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200505122846.15992-1-peng.fan@nxp.com> References: <20200505122846.15992-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) 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 SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Tue, 5 May 2020 12:05:48 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 3ee5c2b5-fad5-4135-a623-08d7f0eca6ca X-MS-TrafficTypeDiagnostic: DB6PR0402MB2790:|DB6PR0402MB2790: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; 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DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3ee5c2b5-fad5-4135-a623-08d7f0eca6ca X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 May 2020 12:05:50.1889 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: BjSWADs4RJqGRLE3tsZeevx2uj4mMXk/dlcJYM1dR1TSga1mRZYKORuPx8ZUirTJYbG4RLJv+jeRM/qcEkHbQQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0402MB2790 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.2 at phobos.denx.de X-Virus-Status: Clean The DDR memory from 0x88000000 to 0x8FFFFFFF is assigned to M4 on QM and QXP. The M4 can allocate this memory by two ways, in SCD or u-boot. In this patch, u-boot addes the memory reserve node to DTB to pass the info to kernel, no matter the M4 memory is reserved in SCD or u-boot. So kernel won't access M4 reserved memory. Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8/Kconfig | 8 ++++++++ arch/arm/mach-imx/imx8/fdt.c | 10 ++++++++++ 2 files changed, 18 insertions(+) diff --git a/arch/arm/mach-imx/imx8/Kconfig b/arch/arm/mach-imx/imx8/Kconfig index 1f8add015f..69149d3cd5 100644 --- a/arch/arm/mach-imx/imx8/Kconfig +++ b/arch/arm/mach-imx/imx8/Kconfig @@ -41,6 +41,14 @@ config IMX_CONTAINER_CFG This is to specific the cfg file for generating container image which will be loaded by SPL. +config BOOTAUX_RESERVED_MEM_BASE + hex "i.MX auxiliary core dram memory base" + default 0 + +config BOOTAUX_RESERVED_MEM_SIZE + hex "i.MX auxiliary core dram memory size" + default 0 + choice prompt "i.MX8 board select" optional diff --git a/arch/arm/mach-imx/imx8/fdt.c b/arch/arm/mach-imx/imx8/fdt.c index 65c8ac1a7e..5993645378 100644 --- a/arch/arm/mach-imx/imx8/fdt.c +++ b/arch/arm/mach-imx/imx8/fdt.c @@ -8,6 +8,7 @@ #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -279,6 +280,15 @@ static int ft_add_optee_node(void *fdt, bd_t *bd) int ft_system_setup(void *blob, bd_t *bd) { int ret; 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Tue, 5 May 2020 12:05:53 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Ye Li , Peng Fan Subject: [PATCH 02/10] imx: imx8qm/qxp: Fix issue in get_effective_memsize Date: Tue, 5 May 2020 20:28:38 +0800 Message-Id: <20200505122846.15992-3-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200505122846.15992-1-peng.fan@nxp.com> References: <20200505122846.15992-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) 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 SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Tue, 5 May 2020 12:05:50 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 0b8258af-c321-4a94-b85c-08d7f0eca87c X-MS-TrafficTypeDiagnostic: DB6PR0402MB2790:|DB6PR0402MB2790: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4941; 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There is a check in get_effective_memsize to find the memreg where the u-boot is running, and return the size of that memreg as the result of get_effective_memsize. When using aligned start, the value is 0x80200000 since it is 2MB aligned. Thus the finding of memreg will fail and return the PHYS_SDRAM_1_SIZE because u-boot text base is 0x80020000. This cause u-boot is relocated to the high memory where has been occupied by Trusty OS. Reviewed-by: Peng Fan Signed-off-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8/cpu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index f87276e8ea..2c79bd0091 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -223,7 +223,7 @@ static int get_owned_memreg(sc_rm_mr_t mr, sc_faddr_t *addr_start, phys_size_t get_effective_memsize(void) { sc_rm_mr_t mr; - sc_faddr_t start, end, end1; + sc_faddr_t start, end, end1, start_aligned; int err; end1 = (sc_faddr_t)PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE; @@ -231,9 +231,9 @@ phys_size_t get_effective_memsize(void) for (mr = 0; mr < 64; mr++) { err = get_owned_memreg(mr, &start, &end); if (!err) { - start = roundup(start, MEMSTART_ALIGNMENT); + start_aligned = roundup(start, MEMSTART_ALIGNMENT); /* Too small memory region, not use it */ - if (start > end) + if (start_aligned > end) continue; /* Find the memory region runs the U-Boot */ From patchwork Tue May 5 12:28:39 2020 Content-Type: text/plain; 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Tue, 5 May 2020 12:05:55 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan Subject: [PATCH 03/10] imx: imx8qm/qxp: add get_board_serial Date: Tue, 5 May 2020 20:28:39 +0800 Message-Id: <20200505122846.15992-4-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200505122846.15992-1-peng.fan@nxp.com> References: <20200505122846.15992-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) 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 SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Tue, 5 May 2020 12:05:53 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 18d36b5c-ff03-43eb-9499-08d7f0eca9ee X-MS-TrafficTypeDiagnostic: DB6PR0402MB2790:|DB6PR0402MB2790: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:82; 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Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8/cpu.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index 2c79bd0091..3bd0dee025 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -19,6 +19,7 @@ #include #include #include +#include #include DECLARE_GLOBAL_DATA_PTR; @@ -162,6 +163,37 @@ enum boot_device get_boot_device(void) return boot_dev; } +#ifdef CONFIG_SERIAL_TAG +#define FUSE_UNIQUE_ID_WORD0 16 +#define FUSE_UNIQUE_ID_WORD1 17 +void get_board_serial(struct tag_serialnr *serialnr) +{ + sc_err_t err; + u32 val1 = 0, val2 = 0; + u32 word1, word2; + + if (!serialnr) + return; + + word1 = FUSE_UNIQUE_ID_WORD0; + word2 = FUSE_UNIQUE_ID_WORD1; + + err = sc_misc_otp_fuse_read(-1, word1, &val1); + if (err != SC_ERR_NONE) { + printf("%s fuse %d read error: %d\n", __func__, word1, err); + return; + } + + err = sc_misc_otp_fuse_read(-1, word2, &val2); + if (err != SC_ERR_NONE) { + printf("%s fuse %d read error: %d\n", __func__, word2, err); + return; + } + serialnr->low = val1; + serialnr->high = val2; +} +#endif /*CONFIG_SERIAL_TAG*/ + #ifdef CONFIG_ENV_IS_IN_MMC __weak int board_mmc_get_env_dev(int devno) { From patchwork Tue May 5 12:28:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1283506 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.a=rsa-sha256 header.s=selector2 header.b=Snaw2Cya; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49GdkJ0vTMz9sSk for ; 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Tue, 5 May 2020 12:05:57 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan Subject: [PATCH 04/10] imx: imx8qm/imx8qxp: Power down the resources before SPL jump to u-boot Date: Tue, 5 May 2020 20:28:40 +0800 Message-Id: <20200505122846.15992-5-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200505122846.15992-1-peng.fan@nxp.com> References: <20200505122846.15992-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) 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 SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Tue, 5 May 2020 12:05:55 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 084ec0b3-0bf5-4e26-6863-08d7f0ecab5b X-MS-TrafficTypeDiagnostic: DB6PR0402MB2790:|DB6PR0402MB2790: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3826; 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Otherwise the subsystem/device will never be powered down by SCFW, due to SPL and u-boot are in different partitions. Benefiting from power domain driver, this patch implements the function "imx8_power_off_pd_devices" to power off all active devices. Signed-off-by: Peng Fan --- arch/arm/include/asm/arch-imx8/sys_proto.h | 1 + board/freescale/imx8qm_mek/spl.c | 6 +++++ board/freescale/imx8qxp_mek/spl.c | 6 +++++ drivers/power/domain/imx8-power-domain-legacy.c | 35 +++++++++++++++++++++++++ 4 files changed, 48 insertions(+) diff --git a/arch/arm/include/asm/arch-imx8/sys_proto.h b/arch/arm/include/asm/arch-imx8/sys_proto.h index fc33e6ed18..2a08ef939d 100644 --- a/arch/arm/include/asm/arch-imx8/sys_proto.h +++ b/arch/arm/include/asm/arch-imx8/sys_proto.h @@ -28,3 +28,4 @@ int print_bootinfo(void); int sc_pm_setup_uart(sc_rsrc_t uart_rsrc, sc_pm_clock_rate_t clk_rate); int imx8_power_domain_lookup_name(const char *name, struct power_domain *power_domain); +void imx8_power_off_pd_devices(const char *permanent_on_devices[], int size); diff --git a/board/freescale/imx8qm_mek/spl.c b/board/freescale/imx8qm_mek/spl.c index cb4006eb2a..ba99002cf2 100644 --- a/board/freescale/imx8qm_mek/spl.c +++ b/board/freescale/imx8qm_mek/spl.c @@ -12,6 +12,7 @@ #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -37,6 +38,11 @@ void spl_board_init(void) puts("Normal Boot\n"); } +void spl_board_prepare_for_boot(void) +{ + imx8_power_off_pd_devices(NULL, 0); +} + #ifdef CONFIG_SPL_LOAD_FIT int board_fit_config_name_match(const char *name) { diff --git a/board/freescale/imx8qxp_mek/spl.c b/board/freescale/imx8qxp_mek/spl.c index e4e4cbe716..32b61095b0 100644 --- a/board/freescale/imx8qxp_mek/spl.c +++ b/board/freescale/imx8qxp_mek/spl.c @@ -17,6 +17,7 @@ #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -55,6 +56,11 @@ void spl_board_init(void) puts("Normal Boot\n"); } +void spl_board_prepare_for_boot(void) +{ + imx_power_off_pd_devices(NULL, 0); +} + #ifdef CONFIG_SPL_LOAD_FIT int board_fit_config_name_match(const char *name) { diff --git a/drivers/power/domain/imx8-power-domain-legacy.c b/drivers/power/domain/imx8-power-domain-legacy.c index f679df9e5d..7ba4056e2d 100644 --- a/drivers/power/domain/imx8-power-domain-legacy.c +++ b/drivers/power/domain/imx8-power-domain-legacy.c @@ -11,6 +11,7 @@ #include #include #include +#include #include DECLARE_GLOBAL_DATA_PTR; @@ -19,6 +20,40 @@ struct imx8_power_domain_priv { bool state_on; }; +static bool check_device_power_off(struct udevice *dev, + const char *permanent_on_devices[], + int size) +{ + int i; + + for (i = 0; i < size; i++) { + if (!strcmp(dev->name, permanent_on_devices[i])) + return false; + } + + return true; +} + +void imx8_power_off_pd_devices(const char *permanent_on_devices[], int size) +{ + struct udevice *dev; + struct power_domain pd; + + for (uclass_find_first_device(UCLASS_POWER_DOMAIN, &dev); dev; + uclass_find_next_device(&dev)) { + if (!device_active(dev)) + continue; + /* + * Power off active pd devices except the permanent + * power on devices + */ + if (check_device_power_off(dev, permanent_on_devices, size)) { + pd.dev = dev; + power_domain_off(&pd); + } + } +} + int imx8_power_domain_lookup_name(const char *name, struct power_domain *power_domain) { From patchwork Tue May 5 12:28:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1283507 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Tue, 5 May 2020 12:06:00 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan , Ye Li Subject: [PATCH 05/10] imx: imx8qm/qxp: Recover SPL data section for partition reboot Date: Tue, 5 May 2020 20:28:41 +0800 Message-Id: <20200505122846.15992-6-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200505122846.15992-1-peng.fan@nxp.com> References: <20200505122846.15992-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) 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 SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Tue, 5 May 2020 12:05:58 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 0e418781-1cea-4193-b912-08d7f0ecacdf X-MS-TrafficTypeDiagnostic: DB6PR0402MB2790:|DB6PR0402MB2790: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7691; 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The SW has to keep the boot image inside the RAM unchanged. It includes both the TEXT section and DATA section. For SPL, the problem is DATA section will be updated at runtime, so in next partition reboot the data is not same as the initial value from cold boot. If any code depends on the initial value, then it will have problem. This patch introduces a mechanism to recover the data section for partition reboot. It adds a new section in image for saving data section. When from cold boot, the data section will be saved to that new section at SPL early phase. When from partition reboot, the data section will be restored from the new section. Signed-off-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/cpu/armv8/Kconfig | 6 ++++++ arch/arm/cpu/armv8/Makefile | 4 ++++ arch/arm/cpu/armv8/spl_data.c | 29 +++++++++++++++++++++++++++++ arch/arm/cpu/armv8/u-boot-spl.lds | 8 ++++++++ arch/arm/mach-imx/imx8/Kconfig | 2 ++ arch/arm/mach-imx/imx8/cpu.c | 5 +++++ include/spl.h | 1 + 7 files changed, 55 insertions(+) create mode 100644 arch/arm/cpu/armv8/spl_data.c diff --git a/arch/arm/cpu/armv8/Kconfig b/arch/arm/cpu/armv8/Kconfig index 16c83e8614..3655990772 100644 --- a/arch/arm/cpu/armv8/Kconfig +++ b/arch/arm/cpu/armv8/Kconfig @@ -76,6 +76,12 @@ config SPL_ARMV8_SEC_FIRMWARE_SUPPORT help Say Y here to support this framework in SPL phase. +config SPL_RECOVER_DATA_SECTION + bool "save/restore SPL data section" + help + Say Y here to save SPL data section for cold boot, and restore + at warm boot in SPL phase. + config SEC_FIRMWARE_ARMV8_PSCI bool "PSCI implementation in secure monitor firmware" depends on ARMV8_SEC_FIRMWARE_SUPPORT || SPL_ARMV8_SEC_FIRMWARE_SUPPORT diff --git a/arch/arm/cpu/armv8/Makefile b/arch/arm/cpu/armv8/Makefile index b349b13f49..2e48df0eb9 100644 --- a/arch/arm/cpu/armv8/Makefile +++ b/arch/arm/cpu/armv8/Makefile @@ -30,6 +30,10 @@ obj-$(CONFIG_ARMV8_SPIN_TABLE) += spin_table.o spin_table_v8.o endif obj-$(CONFIG_$(SPL_)ARMV8_SEC_FIRMWARE_SUPPORT) += sec_firmware.o sec_firmware_asm.o +ifdef CONFIG_SPL_BUILD +obj-$(CONFIG_SPL_RECOVER_DATA_SECTION) += spl_data.o +endif + obj-$(CONFIG_FSL_LAYERSCAPE) += fsl-layerscape/ obj-$(CONFIG_S32V234) += s32v234/ obj-$(CONFIG_TARGET_HIKEY) += hisilicon/ diff --git a/arch/arm/cpu/armv8/spl_data.c b/arch/arm/cpu/armv8/spl_data.c new file mode 100644 index 0000000000..8fd986a67a --- /dev/null +++ b/arch/arm/cpu/armv8/spl_data.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2020 NXP + */ + +#include +#include + +char __data_save_start[0] __section(.__data_save_start); +char __data_save_end[0] __section(.__data_save_end); + +u32 cold_reboot_flag = 1; + +void spl_save_restore_data(void) +{ + u32 data_size = __data_save_end - __data_save_start; + + if (cold_reboot_flag == 1) { + /* Save data section to data_save section */ + memcpy(__data_save_start, __data_save_start - data_size, + data_size); + } else { + /* Restore the data_save section to data section */ + memcpy(__data_save_start - data_size, __data_save_start, + data_size); + } + + cold_reboot_flag++; +} diff --git a/arch/arm/cpu/armv8/u-boot-spl.lds b/arch/arm/cpu/armv8/u-boot-spl.lds index ccbf359bd1..0e67ab09d7 100644 --- a/arch/arm/cpu/armv8/u-boot-spl.lds +++ b/arch/arm/cpu/armv8/u-boot-spl.lds @@ -38,6 +38,14 @@ SECTIONS *(.data*) } >.sram +#ifdef CONFIG_SPL_RECOVER_DATA_SECTION + .data_save : { + *(.__data_save_start) + . = SIZEOF(.data); + *(.__data_save_end) + } >.sram +#endif + .u_boot_list : { . = ALIGN(8); KEEP(*(SORT(.u_boot_list*))); diff --git a/arch/arm/mach-imx/imx8/Kconfig b/arch/arm/mach-imx/imx8/Kconfig index 69149d3cd5..9d1f73dfc7 100644 --- a/arch/arm/mach-imx/imx8/Kconfig +++ b/arch/arm/mach-imx/imx8/Kconfig @@ -18,11 +18,13 @@ config MU_BASE_SPL config IMX8QM select IMX8 select SUPPORT_SPL + select SPL_RECOVER_DATA_SECTION bool config IMX8QXP select IMX8 select SUPPORT_SPL + select SPL_RECOVER_DATA_SECTION bool config SYS_SOC diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index 3bd0dee025..e03193cb4c 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -39,6 +40,10 @@ struct pass_over_info_t *get_pass_over_info(void) int arch_cpu_init(void) { +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_RECOVER_DATA_SECTION) + spl_save_restore_data(); +#endif + #ifdef CONFIG_SPL_BUILD struct pass_over_info_t *pass_over; diff --git a/include/spl.h b/include/spl.h index 6bf9fd8beb..90395fedb0 100644 --- a/include/spl.h +++ b/include/spl.h @@ -582,4 +582,5 @@ void spl_perform_fixups(struct spl_image_info *spl_image); */ struct image_header *spl_get_load_buffer(ssize_t offset, size_t size); +void spl_save_restore_data(void); #endif From patchwork Tue May 5 12:28:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1283508 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; 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SPL will dynamically check the resource owner then select corresponding boot device. Signed-off-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8/cpu.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index e03193cb4c..103a29746a 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -22,6 +22,7 @@ #include #include #include +#include DECLARE_GLOBAL_DATA_PTR; @@ -573,3 +574,14 @@ u32 get_cpu_rev(void) return (id << 12) | rev; } + +void board_boot_order(u32 *spl_boot_list) +{ + spl_boot_list[0] = spl_boot_device(); + + if (spl_boot_list[0] == BOOT_DEVICE_SPI) { + /* Check whether we own the flexspi0, if not, use NOR boot */ + if (!sc_rm_is_resource_owned(-1, SC_R_FSPI_0)) + spl_boot_list[0] = BOOT_DEVICE_NOR; + } +} From patchwork Tue May 5 12:28:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1283509 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Tue, 5 May 2020 12:06:05 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan Subject: [PATCH 07/10] imx: imx8qm/qxp: check whether m4 partition booted Date: Tue, 5 May 2020 20:28:43 +0800 Message-Id: <20200505122846.15992-8-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200505122846.15992-1-peng.fan@nxp.com> References: <20200505122846.15992-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) 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 SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Tue, 5 May 2020 12:06:03 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: a6f1ab99-2e22-4e73-d7bc-08d7f0ecaff6 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2790:|DB6PR0402MB2790: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:773; 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Signed-off-by: Peng Fan --- arch/arm/include/asm/arch-imx8/sys_proto.h | 1 + arch/arm/mach-imx/imx8/cpu.c | 30 ++++++++++++++++++++++++++++++ board/freescale/imx8qxp_mek/spl.c | 2 +- 3 files changed, 32 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/arch-imx8/sys_proto.h b/arch/arm/include/asm/arch-imx8/sys_proto.h index 2a08ef939d..6f1fc8f999 100644 --- a/arch/arm/include/asm/arch-imx8/sys_proto.h +++ b/arch/arm/include/asm/arch-imx8/sys_proto.h @@ -29,3 +29,4 @@ int sc_pm_setup_uart(sc_rsrc_t uart_rsrc, sc_pm_clock_rate_t clk_rate); int imx8_power_domain_lookup_name(const char *name, struct power_domain *power_domain); void imx8_power_off_pd_devices(const char *permanent_on_devices[], int size); +bool m4_parts_booted(void); diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index 103a29746a..6d7b17b464 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -585,3 +585,33 @@ void board_boot_order(u32 *spl_boot_list) spl_boot_list[0] = BOOT_DEVICE_NOR; } } + +bool m4_parts_booted(void) +{ + sc_rm_pt_t m4_parts[2]; + int err; + + err = sc_rm_get_resource_owner(-1, SC_R_M4_0_PID0, &m4_parts[0]); + if (err) { + printf("%s get resource [%d] owner error: %d\n", __func__, + SC_R_M4_0_PID0, err); + return false; + } + + if (sc_pm_is_partition_started(-1, m4_parts[0])) + return true; + + if (is_imx8qm()) { + err = sc_rm_get_resource_owner(-1, SC_R_M4_1_PID0, &m4_parts[1]); + if (err) { + printf("%s get resource [%d] owner error: %d\n", + __func__, SC_R_M4_1_PID0, err); + return false; + } + + if (sc_pm_is_partition_started(-1, m4_parts[1])) + return true; + } + + return false; +} diff --git a/board/freescale/imx8qxp_mek/spl.c b/board/freescale/imx8qxp_mek/spl.c index 32b61095b0..eefee64ab1 100644 --- a/board/freescale/imx8qxp_mek/spl.c +++ b/board/freescale/imx8qxp_mek/spl.c @@ -58,7 +58,7 @@ void spl_board_init(void) void spl_board_prepare_for_boot(void) { - imx_power_off_pd_devices(NULL, 0); + imx8_power_off_pd_devices(NULL, 0); } #ifdef CONFIG_SPL_LOAD_FIT From patchwork Tue May 5 12:28:44 2020 Content-Type: text/plain; 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Tue, 5 May 2020 12:06:08 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan Subject: [PATCH 08/10] imx: imx8qm: update fdt_file according to m4 state Date: Tue, 5 May 2020 20:28:44 +0800 Message-Id: <20200505122846.15992-9-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200505122846.15992-1-peng.fan@nxp.com> References: <20200505122846.15992-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) 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 SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Tue, 5 May 2020 12:06:05 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 807b3cd6-b96b-4d7f-7fb3-08d7f0ecb16e X-MS-TrafficTypeDiagnostic: DB6PR0402MB2790:|DB6PR0402MB2790: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:431; 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+ bool m4_booted; + #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG env_set("board_name", "MEK"); env_set("board_rev", "iMX8QM"); #endif + fdt_file = env_get("fdt_file"); + m4_booted = m4_parts_booted(); + + if (fdt_file && !strcmp(fdt_file, "undefined")) { + if (m4_booted) + env_set("fdt_file", "imx8qm-mek-rpmsg.dtb"); + else + env_set("fdt_file", "imx8qm-mek.dtb"); + } + return 0; } diff --git a/include/configs/imx8qm_mek.h b/include/configs/imx8qm_mek.h index 97170dc949..22d80f1747 100644 --- a/include/configs/imx8qm_mek.h +++ b/include/configs/imx8qm_mek.h @@ -70,7 +70,7 @@ "fdt_addr=0x83000000\0" \ "fdt_high=0xffffffffffffffff\0" \ "boot_fdt=try\0" \ - "fdt_file=imx8qm-mek.dtb\0" \ + "fdt_file=undefined\0" \ "initrd_addr=0x83800000\0" \ "initrd_high=0xffffffffffffffff\0" \ "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \ From patchwork Tue May 5 12:28:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1283512 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Tue, 5 May 2020 12:06:10 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan Subject: [PATCH 09/10] imx: imx8qxp: update fdt_file according to m4 state Date: Tue, 5 May 2020 20:28:45 +0800 Message-Id: <20200505122846.15992-10-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200505122846.15992-1-peng.fan@nxp.com> References: <20200505122846.15992-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) 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 SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Tue, 5 May 2020 12:06:08 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: ad834a1a-b4a0-4427-7c80-08d7f0ecb318 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2790:|DB6PR0402MB2790: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:431; 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+ bool m4_booted; + #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG env_set("board_name", "MEK"); env_set("board_rev", "iMX8QXP"); #endif + fdt_file = env_get("fdt_file"); + m4_booted = m4_parts_booted(); + + if (fdt_file && !strcmp(fdt_file, "undefined")) { + if (m4_booted) + env_set("fdt_file", "imx8qxp-mek-rpmsg.dtb"); + else + env_set("fdt_file", "imx8qxp-mek.dtb"); + } + return 0; } diff --git a/include/configs/imx8qxp_mek.h b/include/configs/imx8qxp_mek.h index 0aaca3325b..341e93e61e 100644 --- a/include/configs/imx8qxp_mek.h +++ b/include/configs/imx8qxp_mek.h @@ -69,7 +69,7 @@ "fdt_addr=0x83000000\0" \ "fdt_high=0xffffffffffffffff\0" \ "boot_fdt=try\0" \ - "fdt_file=imx8qxp-mek.dtb\0" \ + "fdt_file=undefined\0" \ "initrd_addr=0x83800000\0" \ "initrd_high=0xffffffffffffffff\0" \ "mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \ From patchwork Tue May 5 12:28:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1283511 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Tue, 5 May 2020 12:06:13 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan Subject: [PATCH 10/10] imx8: cpu: check resource owned after sid fail Date: Tue, 5 May 2020 20:28:46 +0800 Message-Id: <20200505122846.15992-11-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200505122846.15992-1-peng.fan@nxp.com> References: <20200505122846.15992-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) 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 SG2PR02CA0108.apcprd02.prod.outlook.com (2603:1096:4:92::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Tue, 5 May 2020 12:06:11 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 33050181-cb25-4957-b879-08d7f0ecb482 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2790:|DB6PR0402MB2790: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:200; 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Acked-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8/fdt.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-imx/imx8/fdt.c b/arch/arm/mach-imx/imx8/fdt.c index 5993645378..9a6822a929 100644 --- a/arch/arm/mach-imx/imx8/fdt.c +++ b/arch/arm/mach-imx/imx8/fdt.c @@ -106,13 +106,13 @@ static int config_smmu_resource_sid(int rsrc, int sid) { int err; - if (!check_owned_resource(rsrc)) { - printf("%s rsrc[%d] not owned\n", __func__, rsrc); - return -1; - } err = sc_rm_set_master_sid(-1, rsrc, sid); debug("set_master_sid rsrc=%d sid=0x%x err=%d\n", rsrc, sid, err); if (err != SC_ERR_NONE) { + if (!check_owned_resource(rsrc)) { + printf("%s rsrc[%d] not owned\n", __func__, rsrc); + return -1; + } pr_err("fail set_master_sid rsrc=%d sid=0x%x err=%d\n", rsrc, sid, err); return -EINVAL; }