From: Simon Glass <sjg@chromium.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 12/22] x86: Add an early CMOS access library
Date: Tue, 18 Apr 2017 18:12:31 -0600 [thread overview]
Message-ID: <CAPnjgZ3qv=vO6ipeBLK=Hq3R2SvmoHsCHOv_47cjXYSi5h6fDQ@mail.gmail.com> (raw)
In-Reply-To: <CAEUhbmU=aiaSMYEXEukRSUcVW8nHS056h5KO3O8BBXzshzqf4w@mail.gmail.com>
On 18 April 2017 at 03:46, Bin Meng <bmeng.cn@gmail.com> wrote:
> Hi Simon,
>
> On Wed, Mar 22, 2017 at 4:06 AM, Simon Glass <sjg@chromium.org> wrote:
>> Hi Bin,
>>
>> On 16 March 2017 at 08:26, Bin Meng <bmeng.cn@gmail.com> wrote:
>>> This adds a library that provides CMOS (inside RTC SRAM) access
>>> at a very early stage when driver model is not available yet.
>>>
>>> Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
>>> ---
>>>
>>> arch/x86/include/asm/early_cmos.h | 43 +++++++++++++++++++++++++++++++++
>>> arch/x86/lib/Makefile | 1 +
>>> arch/x86/lib/early_cmos.c | 51 +++++++++++++++++++++++++++++++++++++++
>>> 3 files changed, 95 insertions(+)
>>> create mode 100644 arch/x86/include/asm/early_cmos.h
>>> create mode 100644 arch/x86/lib/early_cmos.c
>>
>> Is it possible to share code with the existing driver, like we do with
>> DEBUG_UART?
>
> DEBUG_UART requires every serial driver provides APIs like
> _debug_uart_putc(), while this early cmos library wants to share codes
> with rtc-uclass.c. Looks not possible to get rid of the udevice
> parameter.
>
> Regards,
> Bin
Reviewed-by: Simon Glass <sjg@chromium.org>
next prev parent reply other threads:[~2017-04-19 0:12 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-16 14:26 [U-Boot] [PATCH 00/22] x86: Add ACPI S3 resume support Bin Meng
2017-03-16 14:26 ` [U-Boot] [PATCH 01/22] dm: rtc: Add 16-bit read/write support Bin Meng
2017-03-17 3:26 ` Simon Glass
2017-04-01 2:26 ` Bin Meng
2017-03-16 14:26 ` [U-Boot] [PATCH 02/22] x86: acpi: Add Kconfig option and header file for ACPI resume Bin Meng
2017-03-17 3:26 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 03/22] x86: baytrail: acpi: Add APIs for determining/clearing sleep state Bin Meng
2017-03-17 3:26 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 04/22] x86: Add post codes for OS resume Bin Meng
2017-03-17 3:26 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 05/22] x86: fsp: acpi: Pass different boot mode to FSP init Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 06/22] x86: Store and display previous sleep state Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 07/22] x86: baytrail: Conditionally report S3 in the ACPI table Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 08/22] x86: fsp: Mark memory used by U-Boot as reserved in the E820 table for S3 Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-04-12 8:14 ` Bin Meng
2017-03-16 14:26 ` [U-Boot] [PATCH 09/22] x86: acpi: Add wake up assembly stub Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 10/22] x86: acpi: Add one API to find OS wakeup vector Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 11/22] x86: acpi: Resume OS if resume vector is found Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-04-12 8:14 ` Bin Meng
2017-04-13 21:15 ` Simon Glass
2017-04-17 9:37 ` Stefan Roese
2017-04-24 3:38 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 12/22] x86: Add an early CMOS access library Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-04-18 9:46 ` Bin Meng
2017-04-19 0:12 ` Simon Glass [this message]
2017-03-16 14:26 ` [U-Boot] [PATCH 13/22] x86: fsp: Save stack address to CMOS for next S3 boot Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-04-13 9:25 ` Bin Meng
2017-04-13 13:34 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 14/22] x86: fsp: Mark the first 64K low memory as reserved Bin Meng
2017-03-21 20:06 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 15/22] x86: Adjust board_final_cleanup() order Bin Meng
2017-03-21 20:07 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 16/22] x86: apci: Change PM1_CNT register access to RMW Bin Meng
2017-03-21 20:07 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 17/22] x86: acpi: Make enter_acpi_mode() public Bin Meng
2017-03-21 20:07 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 18/22] x86: acpi: Refactor acpi_resume() Bin Meng
2017-03-21 20:07 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 19/22] x86: acpi: Turn on ACPI mode for S3 Bin Meng
2017-03-21 20:07 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 20/22] x86: pci: Allow conditionally run VGA rom in S3 Bin Meng
2017-03-21 20:07 ` Simon Glass
2017-04-13 10:00 ` Bin Meng
2017-04-13 13:32 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 21/22] x86: minnowmax: Enable ACPI S3 resume Bin Meng
2017-03-21 20:07 ` Simon Glass
2017-03-16 14:26 ` [U-Boot] [PATCH 22/22] x86: Document ACPI S3 support Bin Meng
2017-03-21 20:07 ` Simon Glass
2017-03-17 3:26 ` [U-Boot] [PATCH 00/22] x86: Add ACPI S3 resume support Simon Glass
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