[U-Boot] [U-Boot PATCH v2 08/12] k2hk: add support for k2hk SOC and EVM

[Murali Karicheri <m-karicheri2@ti.com>]

[snip]
>> +Build instructions:
>> +===================
>> +
>> +To build u-boot.bin
>> +  >make k2hk_evm_config
>> +  >make u-boot-spi.gph
>> +
>> +To build u-boot-spi.gph
>> +  >make k2hk_evm_config
>> +  >make u-boot-spi.gph
> We need to use CONFIG_SPL_TARGET so that make all just works.

I am assuming we need to do

#define CONFIG_SPL_TARGET  "u-boot-spi.gph"

and then

./MAKEALL -a arm

  will build this image as well. Is that right?

Murali
>
>> +				if (err < 0)
>> +					printf("error deleting linux,initrd-start\n");
> Here and elsewhere, puts when we aren't using format chars.
>
>> diff --git a/boards.cfg b/boards.cfg
>> index a8336cc..1690315 100644
>> --- a/boards.cfg
>> +++ b/boards.cfg
> Please make sure that the entry is correctly sorted, see the top of
> boards.cfg.
>
>> +++ b/include/configs/k2hk_evm.h
>> @@ -0,0 +1,221 @@
>> +/*
>> + * Configuration header file for TI's k2hk-evm
>> + *
>> + * (C) Copyright 2012-2014
>> + *     Texas Instruments Incorporated, <www.ti.com>
>> + *
>> + * SPDX-License-Identifier:     GPL-2.0+
>> + */
>> +
>> +#ifndef __CONFIG_H
> Please use __CONFIG_K2HK_EVM_H
>
>> +/* Platform type */
>> +#define CONFIG_SOC_K2HK
>> +#define CONFIG_K2HK_EVM
> Make sure we use these.
>
>> +
>> +/* U-Boot Build Configuration */
>> +#define CONFIG_SKIP_LOWLEVEL_INIT	/* U-Boot is a 2nd stage loader */
> So there's a level before SPL that is doing a certain amount of init we
> don't want to re-do?
>
>> +#define CONFIG_SYS_DCACHE_OFF
> Really?
>
>> +#define CONFIG_SYS_MALLOC_LEN		(1024 << 10)	/* 1 MiB */
> This is pretty small, especially since we care about UBI.
>
>> +#define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
>> +#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + 32 << 20)
> Please see doc/README.memory-test
>
>> +/* SPL SPI Loader Configuration */
>> +#define CONFIG_SPL_TEXT_BASE		0x0c200000
>> +#define CONFIG_SPL_PAD_TO		65536
>> +#define CONFIG_SPL_MAX_SIZE		(CONFIG_SPL_PAD_TO - 8)
> Please explain this a bit more, esp since SPL_PAD_TO should take into
> account the header size already...
>
>> +#define CONFIG_SPL_BSS_START_ADDR	(CONFIG_SPL_TEXT_BASE +		\
>> +					 CONFIG_SPL_MAX_SIZE)
>> +#define CONFIG_SPL_BSS_MAX_SIZE		(32 * 1024)
> Do we really want SPL BSS in early ram (I don't want to get the name of
> the type wrong) rather than DDR?
>
>> +#define CONFIG_SYS_SPL_MALLOC_START	(CONFIG_SPL_BSS_START_ADDR +	\
>> +					 CONFIG_SPL_BSS_MAX_SIZE)
>> +#define CONFIG_SYS_SPL_MALLOC_SIZE	(32 * 1024)
> Same.
>
>> +#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
> Please use the default table.
>
>> +#define PART_BOOT			"1024k(bootloader)ro,"
>> +#define PART_PARAMS			"512k(params)ro,"
>> +#define PART_UBI			"-(ubifs)"
>> +#define MTDPARTS_DEFAULT		"mtdparts=davinci_nand.0:"	\
>> +					PART_BOOT PART_PARAMS PART_UBI
> Please just set these outright.
>
>> +/* U-Boot command configuration */
>> +#include <config_cmd_default.h>
>> +#undef CONFIG_CMD_BDI
> Why?
>
>> +#undef CONFIG_CMD_FLASH
> Shouldn't be needed.
>
>> +#undef CONFIG_CMD_FPGA
>> +#undef CONFIG_CMD_SETGETDCR
> Same.
>
>> +#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
> Not needed.
>
>> +	"fdt_high=0xffffffff\0"						\
> Please don't do this, set it to the top of kernel low mem.
>
>> +	"mtdparts=mtdparts=davinci_nand.0:"				\
>> +		"1024k(bootloader)ro,512k(params)ro,522752k(ubifs)\0"
> Now you're not using the mtdparts you define, this shouldn't be needed.
>
>> +/* Linux interfacing */
>> +#define CONFIG_CMDLINE_TAG
>> +#define CONFIG_SETUP_MEMORY_TAGS
> OF/FDT things should be down here.
>
>> +#define LINUX_BOOT_PARAM_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x100)
> Just use this in the code.
>
> Thanks!
>