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DRA821U: Missing patch files which were introduced from the document of How to Linux Fast Boot on DRA821U

Genius 3419 points
Part Number: DRA821U

Hi TI

Can you please provide us with the patch files which were missing from document links below?

https://www.ti.com/lit/an/sprad09/sprad09.pdf?ts=1651025639291&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FDRA821U

The patch files below have been introduced in the Fast Boot Optimization document, and the link is broken because they are expired.

3.1 Step1: Patch and Build/Copy the u-boot

Patches:
• 01 - Remove-prints-to-optimize-U-Boot-time.patch (this patch is here: https://tidrive.ext.ti.com/u/py97LpOveyy1L3sp/84cdc714-8480-4b2f-95f4-4c7e7bdfbe44?l )

3.3 Step 3: Optimize the DTSI by Disabling Nodes not Mandatory for Linux Boot

Patches:
0001-arch-arm64-boot-dts-ti-k3-j7200-Optimize-DT-for-earl.patch
This patch is here: https://tidrive.ext.ti.com/u/py97LpOveyy1L3sp/84cdc714-8480-4b2f-95f4-4c7e7bdfbe44?l

Thanks.

Regards, 

Jack

  • Hi Jack,

    Thanks for reporting it. I have escalated this internally to get the links fixed. In the meantime, 

    01 - Remove-prints-to-optimize-U-Boot-time.patch (this patch is here: https://tidrive.ext.ti.com/u/py97LpOveyy1L3sp/84cdc714-8480-4b2f-95f4-4c7e7bdfbe44?l )

    Patch: 

    u-boot-prints-optimization.patch.txt
    From 836807a2ae98ad311e042d44b1e7a0e398b89eb5 Mon Sep 17 00:00:00 2001
    From: Keerthy <j-keerthy@ti.com>
    Date: Wed, 6 Oct 2021 07:12:09 +0530
    Subject: [PATCH] Remove prints to optimize U-Boot time
    
    Signed-off-by: Keerthy <j-keerthy@ti.com>
    ---
     arch/arm/mach-k3/common.c | 16 +---------------
     board/ti/j721e/evm.c      |  8 ++++----
     common/board_f.c          |  2 +-
     common/board_info.c       |  2 --
     common/board_r.c          |  1 -
     common/console.c          |  6 +++---
     env/env.c                 |  4 ++--
     net/eth-uclass.c          |  2 +-
     8 files changed, 12 insertions(+), 29 deletions(-)
    
    diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
    index 180e7f023e..78eef49740 100644
    --- a/arch/arm/mach-k3/common.c
    +++ b/arch/arm/mach-k3/common.c
    @@ -77,10 +77,6 @@ void k3_sysfw_print_ver(void)
     	strncpy(fw_desc, ti_sci->version.firmware_description,
     		sizeof(ti_sci->version.firmware_description));
     	fw_desc[sizeof(fw_desc) - 1] = '\0';
    -
    -	printf("SYSFW ABI: %d.%d (firmware rev 0x%04x '%s')\n",
    -	       ti_sci->version.abi_major, ti_sci->version.abi_minor,
    -	       ti_sci->version.firmware_revision, fw_desc);
     }
     
     void mmr_unlock(phys_addr_t base, u32 partition)
    @@ -206,7 +202,7 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
     	if (ret)
     		panic("rproc failed to be initialized (%d)\n", ret);
     
    -	init_env();
    +	//init_env();
     	if (!fit_image_info[IMAGE_ID_DM_FW].image_start) {
     		size = load_firmware("name_mcur5f0_0fw", "addr_mcur5f0_0load",
     				     &loadaddr);
    @@ -224,9 +220,6 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
     	if (ret)
     		panic("%s: ATF failed to load on rproc (%d)\n", __func__, ret);
     
    -	/* Add an extra newline to differentiate the ATF logs from SPL */
    -	printf("Starting ATF on ARM64 core...\n\n");
    -
     	ret = rproc_start(1);
     	if (ret)
     		panic("%s: ATF failed to start on rproc (%d)\n", __func__, ret);
    @@ -394,7 +387,6 @@ int print_cpuinfo(void)
     	char name[64];
     	int ret;
     
    -	printf("SoC:   ");
     
     	ret = soc_get(&soc);
     	if (ret) {
    @@ -403,14 +395,8 @@ int print_cpuinfo(void)
     	}
     
     	ret = soc_get_family(soc, name, 64);
    -	if (!ret) {
    -		printf("%s ", name);
    -	}
     
     	ret = soc_get_revision(soc, name, 64);
    -	if (!ret) {
    -		printf("%s\n", name);
    -	}
     
     	return 0;
     }
    diff --git a/board/ti/j721e/evm.c b/board/ti/j721e/evm.c
    index 2f277d3344..2b103c9de3 100644
    --- a/board/ti/j721e/evm.c
    +++ b/board/ti/j721e/evm.c
    @@ -155,7 +155,7 @@ int ft_board_setup(void *blob, struct bd_info *bd)
     		ret = fdt_fixup_msmc_ram(blob, "/interconnect@100000",
     					 "sram@70000000");
     	if (ret)
    -		printf("%s: fixing up msmc ram failed %d\n", __func__, ret);
    +		debug("%s: fixing up msmc ram failed %d\n", __func__, ret);
     
     	detect_enable_hyperflash(blob);
     
    @@ -192,9 +192,9 @@ int checkboard(void)
     
     	if (do_board_detect())
     		/* EEPROM not populated */
    -		printf("Board: %s rev %s\n", "J721EX-PM1-SOM", "E2");
    +		debug("Board: %s rev %s\n", "J721EX-PM1-SOM", "E2");
     	else
    -		printf("Board: %s rev %s\n", ep->name, ep->version);
    +		debug("Board: %s rev %s\n", ep->name, ep->version);
     
     	return 0;
     }
    @@ -364,7 +364,7 @@ static int probe_daughtercards(void)
     		if (strncmp(ep.name, ext_cards[i].card_name, sizeof(ep.name)))
     			continue;
     
    -		printf("Detected: %s rev %s\n", ep.name, ep.version);
    +		debug("Detected: %s rev %s\n", ep.name, ep.version);
     		daughter_card_detect_flags[i] = true;
     
     #ifndef CONFIG_SPL_BUILD
    diff --git a/common/board_f.c b/common/board_f.c
    index 9f441c44f1..aa58f85dde 100644
    --- a/common/board_f.c
    +++ b/common/board_f.c
    @@ -208,7 +208,7 @@ static int print_cpuinfo(void)
     
     static int announce_dram_init(void)
     {
    -	puts("DRAM:  ");
    +	//puts("DRAM:  ");
     	return 0;
     }
     
    diff --git a/common/board_info.c b/common/board_info.c
    index a6db087f96..a57f7e8b68 100644
    --- a/common/board_info.c
    +++ b/common/board_info.c
    @@ -22,8 +22,6 @@ int __weak show_board_info(void)
     
     	model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
     
    -	if (model)
    -		printf("Model: %s\n", model);
     #endif
     
     	return checkboard();
    diff --git a/common/board_r.c b/common/board_r.c
    index 29dd7d26d9..a7810b3d13 100644
    --- a/common/board_r.c
    +++ b/common/board_r.c
    @@ -625,7 +625,6 @@ static int initr_bbmii(void)
     #ifdef CONFIG_CMD_NET
     static int initr_net(void)
     {
    -	puts("Net:   ");
     	eth_initialize();
     #if defined(CONFIG_RESET_PHY_R)
     	debug("Reset Ethernet PHY\n");
    diff --git a/common/console.c b/common/console.c
    index 3348436da6..7252447b4c 100644
    --- a/common/console.c
    +++ b/common/console.c
    @@ -815,21 +815,21 @@ int console_init_f(void)
     void stdio_print_current_devices(void)
     {
     	/* Print information */
    -	puts("In:    ");
    +	//puts("In:    ");
     	if (stdio_devices[stdin] == NULL) {
     		puts("No input devices available!\n");
     	} else {
     		printf ("%s\n", stdio_devices[stdin]->name);
     	}
     
    -	puts("Out:   ");
    +	//puts("Out:   ");
     	if (stdio_devices[stdout] == NULL) {
     		puts("No output devices available!\n");
     	} else {
     		printf ("%s\n", stdio_devices[stdout]->name);
     	}
     
    -	puts("Err:   ");
    +	//puts("Err:   ");
     	if (stdio_devices[stderr] == NULL) {
     		puts("No error devices available!\n");
     	} else {
    diff --git a/env/env.c b/env/env.c
    index 37b4b54cb7..4c9e162390 100644
    --- a/env/env.c
    +++ b/env/env.c
    @@ -190,7 +190,7 @@ int env_load(void)
     		if (!env_has_inited(drv->location))
     			continue;
     
    -		printf("Loading Environment from %s... ", drv->name);
    +		//printf("Loading Environment from %s... ", drv->name);
     		/*
     		 * In error case, the error message must be printed during
     		 * drv->load() in some underlying API, and it must be exactly
    @@ -198,7 +198,7 @@ int env_load(void)
     		 */
     		ret = drv->load();
     		if (!ret) {
    -			printf("OK\n");
    +			//printf("OK\n");
     			gd->env_load_prio = prio;
     
     #if !CONFIG_IS_ENABLED(ENV_APPEND)
    diff --git a/net/eth-uclass.c b/net/eth-uclass.c
    index bb4c362ede..acbef34369 100644
    --- a/net/eth-uclass.c
    +++ b/net/eth-uclass.c
    @@ -443,7 +443,7 @@ int eth_initialize(void)
     				if (num_devices)
     					printf(", ");
     
    -				printf("eth%d: %s", dev->seq, dev->name);
    +				//printf("eth%d: %s", dev->seq, dev->name);
     
     				if (ethprime && dev == prime_dev)
     					printf(" [PRIME]");
    -- 
    2.17.1
    

    0001-arch-arm64-boot-dts-ti-k3-j7200-Optimize-DT-for-earl.patch
    This patch is here: https://tidrive.ext.ti.com/u/py97LpOveyy1L3sp/84cdc714-8480-4b2f-95f4-4c7e7bdfbe44?

    Patch: 0001-arch-arm64-boot-dts-ti-k3-j7200-Optimize-DT-for-earl.patch

    Closing this.

    Best Regards,
    Keerthy

  • Thanks Keerthy. 

    We hope that a valid link will be applied to the document for future download and confirmation.

    Regards, 

    Jack