[U-Boot] [PATCH] spl: exynos: make spl_boot common for all exynos based platforms

Minkyu Kang mk7.kang at samsung.com
Tue Jun 4 09:26:45 CEST 2013


Dear Inderpal Singh,

On 27/03/13 17:48, Inderpal Singh wrote:
> Dear Minkyu,
> 
> Please let me know if you have any comments for this patch.
> 
> With Regards,
> Inder
> 
> On 16 March 2013 14:16, Inderpal Singh <inderpal.singh at linaro.org> wrote:
>> The spl_boot.c which copies the u-boot from the booting device to ram
>> is made common for all the exynos based platforms. To do so:
>>
>> 1. Moved smdk5250/spl_boot.c to common armv7/exynos folder and updated
>>    to make it common for exynos4 and exynos5
>> 2. Introduced a CONFIG_SPL_BOOTING option as only exynos5250 supports
>>    booting from SPI device
>> 3. Renamed some config options to make them common between exynos5250,
>>    origen and smdkv310.
>>
>> SD/MMC booting: tested on exynos4210 based origen, exynos5250 based Arndale
>> and SMDK5250 boards.
>> SPI booting: tested on SMDK5250 board
>>
>> Signed-off-by: Inderpal Singh <inderpal.singh at linaro.org>
>> ---
>> It depends on the patchset at [1] as it provides the infrastructure to
>> detect the SOC type and revision in spl at runtime.
>>
>> [1] http://www.mail-archive.com/u-boot@lists.denx.de/msg108301.html
>>
>>  arch/arm/cpu/armv7/exynos/Makefile                 |    4 ++
>>  .../arm/cpu/armv7/exynos}/spl_boot.c               |   33 +++++++----
>>  board/samsung/origen/Makefile                      |    4 --
>>  board/samsung/origen/mmc_boot.c                    |   58 -------------------
>>  board/samsung/smdk5250/Makefile                    |    4 --
>>  board/samsung/smdkv310/Makefile                    |    4 --
>>  board/samsung/smdkv310/mmc_boot.c                  |   60 --------------------
>>  include/configs/exynos5250-dt.h                    |   10 ++--
>>  include/configs/origen.h                           |   21 +++----
>>  include/configs/smdkv310.h                         |   21 +++----
>>  10 files changed, 54 insertions(+), 165 deletions(-)
>>  rename {board/samsung/smdk5250 => arch/arm/cpu/armv7/exynos}/spl_boot.c (73%)
>>  delete mode 100644 board/samsung/origen/mmc_boot.c
>>  delete mode 100644 board/samsung/smdkv310/mmc_boot.c

Since this patch had wait too long on queue, need to rebase.
I'm sorry to late review.

>>
>> diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile
>> index b9cf921..c507608 100644
>> --- a/arch/arm/cpu/armv7/exynos/Makefile
>> +++ b/arch/arm/cpu/armv7/exynos/Makefile
>> @@ -24,6 +24,10 @@ LIB  = $(obj)lib$(SOC).o
>>
>>  COBJS  += clock.o power.o soc.o system.o pinmux.o tzpc_init.o
>>
>> +ifdef CONFIG_SPL_BUILD
>> +COBJS  += spl_boot.o
>> +endif
>> +
>>  SRCS   := $(SOBJS:.o=.S) $(COBJS:.o=.c)
>>  OBJS   := $(addprefix $(obj),$(COBJS) $(SOBJS))
>>
>> diff --git a/board/samsung/smdk5250/spl_boot.c b/arch/arm/cpu/armv7/exynos/spl_boot.c
>> similarity index 73%
>> rename from board/samsung/smdk5250/spl_boot.c
>> rename to arch/arm/cpu/armv7/exynos/spl_boot.c
>> index d8f3c1e..e970ff6 100644
>> --- a/board/samsung/smdk5250/spl_boot.c
>> +++ b/arch/arm/cpu/armv7/exynos/spl_boot.c
>> @@ -23,6 +23,8 @@
>>  #include<common.h>
>>  #include<config.h>
>>
>> +#define OM_STAT        (0x1f << 1)
>> +
>>  enum boot_mode {
>>         BOOT_MODE_MMC = 4,
>>         BOOT_MODE_SERIAL = 20,
>> @@ -31,8 +33,6 @@ enum boot_mode {
>>         BOOT_MODE_USB,  /* Boot using USB download */
>>  };
>>
>> -       typedef u32 (*spi_copy_func_t)(u32 offset, u32 nblock, u32 dst);
>> -
>>  /*
>>  * Copy U-boot from mmc to RAM:
>>  * COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains
>> @@ -40,26 +40,37 @@ enum boot_mode {
>>  */
>>  void copy_uboot_to_ram(void)
>>  {
>> -       spi_copy_func_t spi_copy;
>>         enum boot_mode bootmode;
>> -       u32 (*copy_bl2)(u32, u32, u32);
>> +       u32 (*copy_bl2)(u32, u32, u32) = NULL;
>> +       u32 offset = 0, size = 0;
>>
>> -       bootmode = readl(EXYNOS5_POWER_BASE) & OM_STAT;
>> +       bootmode = readl(samsung_get_base_power()) & OM_STAT;
>>
>>         switch (bootmode) {
>> +#ifdef CONFIG_SPI_BOOTING

Is this ifdef needs?

>>         case BOOT_MODE_SERIAL:
>> -               spi_copy = *(spi_copy_func_t *)EXYNOS_COPY_SPI_FNPTR_ADDR;
>> -               spi_copy(SPI_FLASH_UBOOT_POS, CONFIG_BL2_SIZE,
>> -                                               CONFIG_SYS_TEXT_BASE);
>> +               offset = CONFIG_BL2_OFFSET - CONFIG_RES_BLOCK_SIZE;
>> +               size = CONFIG_BL2_SIZE;
>> +               copy_bl2 = (void *) *(u32 *)EXYNOS_COPY_SPI_FNPTR_ADDR;
>>                 break;
>> +#endif
>>         case BOOT_MODE_MMC:
>> -               copy_bl2 = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR;
>> -               copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT,
>> -                                               CONFIG_SYS_TEXT_BASE);
>> +               offset = CONFIG_BL2_BLOCK_OFFSET;
>> +               size = CONFIG_BL2_SIZE_BLOCK_COUNT;
>> +
>> +               /* Only SMDKv310 EVT0 directly jumps to BootROM copy function */
>> +               if (s5p_get_cpu_rev())

According to your comment, you should check cpu_ids.

>> +                       copy_bl2 = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR;
>> +               else
>> +                       copy_bl2 = (void *) COPY_BL2_FNPTR_ADDR;
>> +
>>                 break;
>>         default:
>>                 break;
>>         }
>> +
>> +       if (copy_bl2)
>> +               copy_bl2(offset, size, CONFIG_SYS_TEXT_BASE);
>>  }
>>
>>  void board_init_f(unsigned long bootflag)
>> diff --git a/board/samsung/origen/Makefile b/board/samsung/origen/Makefile
>> index 3a885a5..6133b26 100644
>> --- a/board/samsung/origen/Makefile
>> +++ b/board/samsung/origen/Makefile
>> @@ -31,10 +31,6 @@ ifndef CONFIG_SPL_BUILD
>>  COBJS  += origen.o
>>  endif
>>
>> -ifdef CONFIG_SPL_BUILD
>> -COBJS  += mmc_boot.o
>> -endif
>> -
>>  SRCS   := $(SOBJS:.o=.S) $(COBJS:.o=.c)
>>  OBJS   := $(addprefix $(obj),$(COBJS) $(SOBJS))
>>
>> diff --git a/board/samsung/origen/mmc_boot.c b/board/samsung/origen/mmc_boot.c
>> deleted file mode 100644
>> index 072f161..0000000
>> --- a/board/samsung/origen/mmc_boot.c
>> +++ /dev/null
>> @@ -1,58 +0,0 @@
>> -/*
>> - * Copyright (C) 2011 Samsung Electronics
>> - *
>> - * See file CREDITS for list of people who contributed to this
>> - * project.
>> - *
>> - * This program is free software; you can redistribute it and/or
>> - * modify it under the terms of the GNU General Public License as
>> - * published by the Free Software Foundation; either version 2 of
>> - * the License, or (at your option) any later version.
>> - *
>> - * This program is distributed in the hope that it will be useful,
>> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>> - * GNU General Public License for more details.
>> - *
>> - * You should have received a copy of the GNU General Public License
>> - * along with this program; if not, write to the Free Software
>> - * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
>> - * MA 02111-1307 USA
>> - */
>> -
>> -#include<common.h>
>> -#include<config.h>
>> -
>> -/*
>> -* Copy U-boot from mmc to RAM:
>> -* COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains
>> -* Pointer to API (Data transfer from mmc to ram)
>> -*/
>> -void copy_uboot_to_ram(void)
>> -{
>> -       u32 (*copy_bl2)(u32, u32, u32)  = (void *) *(u32 *)COPY_BL2_FNPTR_ADDR;
>> -
>> -       copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE);
>> -}
>> -
>> -void board_init_f(unsigned long bootflag)
>> -{
>> -       __attribute__((noreturn)) void (*uboot)(void);
>> -       copy_uboot_to_ram();
>> -
>> -       /* Jump to U-Boot image */
>> -       uboot = (void *)CONFIG_SYS_TEXT_BASE;
>> -       (*uboot)();
>> -       /* Never returns Here */
>> -}
>> -
>> -/* Place Holders */
>> -void board_init_r(gd_t *id, ulong dest_addr)
>> -{
>> -       /* Function attribute is no-return */
>> -       /* This Function never executes */
>> -       while (1)
>> -               ;
>> -}
>> -
>> -void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3) {}
>> diff --git a/board/samsung/smdk5250/Makefile b/board/samsung/smdk5250/Makefile
>> index f2c32ee..075b1a7 100644
>> --- a/board/samsung/smdk5250/Makefile
>> +++ b/board/samsung/smdk5250/Makefile
>> @@ -38,10 +38,6 @@ COBJS        += smdk5250.o
>>  endif
>>  endif
>>
>> -ifdef CONFIG_SPL_BUILD
>> -COBJS  += spl_boot.o
>> -endif
>> -
>>  SRCS   := $(SOBJS:.o=.S) $(COBJS:.o=.c)
>>  OBJS   := $(addprefix $(obj),$(COBJS) $(SOBJS))
>>
>> diff --git a/board/samsung/smdkv310/Makefile b/board/samsung/smdkv310/Makefile
>> index 56e0c16..e79045d 100644
>> --- a/board/samsung/smdkv310/Makefile
>> +++ b/board/samsung/smdkv310/Makefile
>> @@ -30,10 +30,6 @@ ifndef CONFIG_SPL_BUILD
>>  COBJS  += smdkv310.o
>>  endif
>>
>> -ifdef CONFIG_SPL_BUILD
>> -COBJS  += mmc_boot.o
>> -endif
>> -
>>  SRCS   := $(SOBJS:.o=.S) $(COBJS:.o=.c)
>>  OBJS   := $(addprefix $(obj),$(COBJS) $(SOBJS))
>>
>> diff --git a/board/samsung/smdkv310/mmc_boot.c b/board/samsung/smdkv310/mmc_boot.c
>> deleted file mode 100644
>> index d3fc18d..0000000
>> --- a/board/samsung/smdkv310/mmc_boot.c
>> +++ /dev/null
>> @@ -1,60 +0,0 @@
>> -/*
>> - * Copyright (C) 2011 Samsung Electronics
>> - *
>> - * See file CREDITS for list of people who contributed to this
>> - * project.
>> - *
>> - * This program is free software; you can redistribute it and/or
>> - * modify it under the terms of the GNU General Public License as
>> - * published by the Free Software Foundation; either version 2 of
>> - * the License, or (at your option) any later version.
>> - *
>> - * This program is distributed in the hope that it will be useful,
>> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>> - * GNU General Public License for more details.
>> - *
>> - * You should have received a copy of the GNU General Public License
>> - * along with this program; if not, write to the Free Software
>> - * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
>> - * MA 02111-1307 USA
>> - */
>> -
>> -#include<common.h>
>> -#include<config.h>
>> -
>> -/*
>> -* Copy U-boot from mmc to RAM:
>> -* COPY_BL2_FNPTR_ADDR: Address in iRAM, which Contains
>> -* API (Data transfer from mmc to ram)
>> -*/
>> -void copy_uboot_to_ram(void)
>> -{
>> -       u32 (*copy_bl2)(u32, u32, u32) = (void *)COPY_BL2_FNPTR_ADDR;
>> -
>> -       copy_bl2(BL2_START_OFFSET, BL2_SIZE_BLOC_COUNT, CONFIG_SYS_TEXT_BASE);
>> -}
>> -
>> -void board_init_f(unsigned long bootflag)
>> -{
>> -       __attribute__((noreturn)) void (*uboot)(void);
>> -       copy_uboot_to_ram();
>> -
>> -       /* Jump to U-Boot image */
>> -       uboot = (void *)CONFIG_SYS_TEXT_BASE;
>> -       (*uboot)();
>> -       /* Never returns Here */
>> -}
>> -
>> -/* Place Holders */
>> -void board_init_r(gd_t *id, ulong dest_addr)
>> -{
>> -       /*Function attribute is no-return*/
>> -       /*This Function never executes*/
>> -       while (1)
>> -               ;
>> -}
>> -
>> -void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3)
>> -{
>> -}
>> diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h
>> index 16d3ab1..7308522 100644
>> --- a/include/configs/exynos5250-dt.h
>> +++ b/include/configs/exynos5250-dt.h
>> @@ -206,12 +206,14 @@
>>  #define CONFIG_ENV_OFFSET      (CONFIG_BL2_OFFSET + CONFIG_BL2_SIZE)
>>
>>  /* U-boot copy size from boot Media to DRAM.*/
>> -#define BL2_START_OFFSET       (CONFIG_BL2_OFFSET/512)
>> -#define BL2_SIZE_BLOC_COUNT    (CONFIG_BL2_SIZE/512)
>> +#define CONFIG_BL2_BLOCK_OFFSET                (CONFIG_BL2_OFFSET/512)
>> +#define CONFIG_BL2_SIZE_BLOCK_COUNT    (CONFIG_BL2_SIZE/512)
>>
>> -#define OM_STAT                                (0x1f << 1)
>> +#define CONFIG_SPI_BOOTING
>> +
>> +#ifdef CONFIG_SPI_BOOTING

I think this ifdef is unnecessary.
You already know that we will use spi booting on this board.

>>  #define EXYNOS_COPY_SPI_FNPTR_ADDR     0x02020058
>> -#define SPI_FLASH_UBOOT_POS            (CONFIG_SEC_FW_SIZE + CONFIG_BL1_SIZE)
>> +#endif
>>
>>  #define CONFIG_DOS_PARTITION
>>
>> diff --git a/include/configs/origen.h b/include/configs/origen.h
>> index e179911..c4f2ec0 100644
>> --- a/include/configs/origen.h
>> +++ b/include/configs/origen.h
>> @@ -139,20 +139,21 @@
>>  /* MIU (Memory Interleaving Unit) */
>>  #define CONFIG_MIU_2BIT_21_7_INTERLEAVED
>>
>> -#define CONFIG_ENV_IS_IN_MMC           1
>> -#define CONFIG_SYS_MMC_ENV_DEV         0
>> -#define CONFIG_ENV_SIZE                        (16 << 10)      /* 16 KB */
>> -#define RESERVE_BLOCK_SIZE             (512)
>> -#define BL1_SIZE                       (16 << 10) /*16 K reserved for BL1*/
>> -#define CONFIG_ENV_OFFSET              (RESERVE_BLOCK_SIZE + BL1_SIZE)
>> -#define CONFIG_DOS_PARTITION           1
>> +#define CONFIG_ENV_IS_IN_MMC   1
>> +#define CONFIG_SYS_MMC_ENV_DEV 0
>> +#define CONFIG_ENV_SIZE                (16 << 10)      /* 16 KB */
>> +#define CONFIG_RES_BLOCK_SIZE  (512)
>> +#define CONFIG_BL1_SIZE                (16 << 10) /*16 K reserved for BL1*/
>> +#define CONFIG_ENV_OFFSET      (CONFIG_RES_BLOCK_SIZE + CONFIG_BL1_SIZE)
>> +#define CONFIG_BL2_OFFSET      (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
>> +#define CONFIG_DOS_PARTITION   1
>>
>>  #define CONFIG_SYS_INIT_SP_ADDR        (CONFIG_SYS_LOAD_ADDR - GENERATED_GBL_DATA_SIZE)
>>
>>  /* U-boot copy size from boot Media to DRAM.*/
>> -#define COPY_BL2_SIZE          0x80000
>> -#define BL2_START_OFFSET       ((CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)/512)
>> -#define BL2_SIZE_BLOC_COUNT    (COPY_BL2_SIZE/512)
>> +#define CONFIG_BL2_SIZE                        0x80000
>> +#define CONFIG_BL2_BLOCK_OFFSET                (CONFIG_BL2_OFFSET/512)
>> +#define CONFIG_BL2_SIZE_BLOCK_COUNT    (CONFIG_BL2_SIZE/512)
>>
>>  /* Enable devicetree support */
>>  #define CONFIG_OF_LIBFDT
>> diff --git a/include/configs/smdkv310.h b/include/configs/smdkv310.h
>> index 5e43066..8bb8de7 100644
>> --- a/include/configs/smdkv310.h
>> +++ b/include/configs/smdkv310.h
>> @@ -138,20 +138,21 @@
>>  /* MIU (Memory Interleaving Unit) */
>>  #define CONFIG_MIU_2BIT_INTERLEAVED
>>
>> -#define CONFIG_ENV_IS_IN_MMC           1
>> -#define CONFIG_SYS_MMC_ENV_DEV         0
>> -#define CONFIG_ENV_SIZE                        (16 << 10)      /* 16 KB */
>> -#define RESERVE_BLOCK_SIZE             (512)
>> -#define BL1_SIZE                       (16 << 10) /*16 K reserved for BL1*/
>> -#define CONFIG_ENV_OFFSET              (RESERVE_BLOCK_SIZE + BL1_SIZE)
>> -#define CONFIG_DOS_PARTITION           1
>> +#define CONFIG_ENV_IS_IN_MMC   1
>> +#define CONFIG_SYS_MMC_ENV_DEV 0
>> +#define CONFIG_ENV_SIZE                (16 << 10) /* 16 KB */
>> +#define CONFIG_RES_BLOCK_SIZE  (512)
>> +#define CONFIG_BL1_SIZE                (16 << 10) /*16 K reserved for BL1*/
>> +#define CONFIG_ENV_OFFSET      (CONFIG_RES_BLOCK_SIZE + CONFIG_BL1_SIZE)
>> +#define CONFIG_BL2_OFFSET      (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
>> +#define CONFIG_DOS_PARTITION   1
>>
>>  #define CONFIG_SYS_INIT_SP_ADDR        (CONFIG_SYS_LOAD_ADDR - GENERATED_GBL_DATA_SIZE)
>>
>>  /* U-boot copy size from boot Media to DRAM.*/
>> -#define        COPY_BL2_SIZE           0x80000
>> -#define BL2_START_OFFSET       ((CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)/512)
>> -#define BL2_SIZE_BLOC_COUNT    (COPY_BL2_SIZE/512)
>> +#define        CONFIG_BL2_SIZE                 0x80000
>> +#define CONFIG_BL2_BLOCK_OFFSET                (CONFIG_BL2_OFFSET/512)
>> +#define CONFIG_BL2_SIZE_BLOCK_COUNT    (CONFIG_BL2_SIZE/512)
>>
>>  /* Ethernet Controllor Driver */
>>  #ifdef CONFIG_CMD_NET
>> --
>> 1.7.9.5
>>
> 

This patch needs to test.
Please help to test this patch and let me know.

Thanks,
Minkyu Kang.


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