[U-Boot] [PATCH] ARM: EXYNOS: definition of system registers

[Donghwa Lee <dh09.lee@samsung.com>]

Hi,
On 29 March 2012 23:37, Minkyu Kang wrote:

> Dear Donghwa,
> 
> On 29 March 2012 17:50, Donghwa Lee <dh09.lee@samsung.com> wrote:
>> This is definition of system registers for EXYNOS SoC.
>>
>> Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
>> ---
>>  arch/arm/include/asm/arch-exynos/cpu.h    |    2 +
>>  arch/arm/include/asm/arch-exynos/system.h |   51 +++++++++++++++++++++++++++++
>>  2 files changed, 53 insertions(+), 0 deletions(-)
>>  create mode 100644 arch/arm/include/asm/arch-exynos/system.h
>>
>> diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h
>> index 89f2c2e..70048f0 100644
>> --- a/arch/arm/include/asm/arch-exynos/cpu.h
>> +++ b/arch/arm/include/asm/arch-exynos/cpu.h
>> @@ -29,6 +29,7 @@
>>  /* EXYNOS4 */
>>  #define EXYNOS4_GPIO_PART3_BASE                0x03860000
>>  #define EXYNOS4_PRO_ID                 0x10000000
>> +#define EXYNOS4_SYSREG_BASE            0x10010000
>>  #define EXYNOS4_POWER_BASE             0x10020000
>>  #define EXYNOS4_SWRESET                        0x10020400
>>  #define EXYNOS4_CLOCK_BASE             0x10030000
> 
> need base address of exynos5 also.
> 


SYSREG_BASE address of exynos5 was already included in this file.

>> diff --git a/arch/arm/include/asm/arch-exynos/system.h b/arch/arm/include/asm/arch-exynos/system.h
>> new file mode 100644
>> index 0000000..2e99c0d
>> --- /dev/null
>> +++ b/arch/arm/include/asm/arch-exynos/system.h
>> @@ -0,0 +1,51 @@
>> +/*
>> + * (C) Copyright 2012 Samsung Electronics
>> + * Donghwa Lee <dh09.lee@samsung.com>
>> + *
>> + * 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
>> + *
>> + */
>> +
>> +#ifndef __ASM_ARM_ARCH_SYSTEM_H_
>> +#define __ASM_ARM_ARCH_SYSTEM_H_
>> +
>> +#ifndef __ASSEMBLY__
>> +struct exynos4_sysreg {
>> +       unsigned char   res1[0x210];
>> +       unsigned int    display_ctrl;
>> +       unsigned int    display_ctrl2;
>> +       unsigned int    camera_control;
>> +       unsigned int    audio_endian;
>> +       unsigned int    jtag_con;
>> +};
>> +
>> +struct exynos5_sysreg {
>> +       unsigned char   res1[0x214];
>> +       unsigned int    disp1blk_cfg;
>> +       unsigned int    disp2blk_cfg;
>> +       unsigned int    hdcp_e_fuse;
>> +       unsigned int    gsclblk_cfg0;
>> +       unsigned int    gsclblk_cfg1;
>> +       unsigned int    reserved;
>> +       unsigned int    ispblk_cfg;
>> +       unsigned int    usb20phy_cfg;
>> +       unsigned int    mipi_dphy;
>> +       unsigned int    dptx_dphy;
>> +       unsigned int    phyclk_sel;
>> +};
>> +#endif
>> +
>> +#endif /* _EXYNOS4_SYSTEM_H */
>> --
> 
> Where is it use?
> Need codes for using it.
> 

This is used to control various signal of exynos. For example, it can contorl to FIMD of LBLK0 bypass selection.

Thank you,
Donghwa Lee.