[U-Boot] [PATCH 3/6] MSCC: add board support for the VCoreIII based evaluation boards

[Gregory CLEMENT]

Hi Daniel,
 
 On mer., sept. 26 2018, Daniel Schwierzeck <daniel.schwierzeck at gmail.com> wrote:

> On 25.09.2018 15:01, Gregory CLEMENT wrote:
>> Adding the support for 3 boards sharing common code:
>>  - PCB120 and PCB 123 for Ocelot chip
>>  - PCB 91 for Luton chip
>> 

[...]

>> diff --git a/board/mscc/ocelot/Kconfig b/board/mscc/ocelot/Kconfig
>> new file mode 100644
>> index 0000000000..0804f5081d
>> --- /dev/null
>> +++ b/board/mscc/ocelot/Kconfig
>> @@ -0,0 +1,24 @@
>> +# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +
>> +config SYS_VENDOR
>> +	default "mscc"
>> +
>> +if SOC_OCELOT
>> +
>> +config SYS_BOARD
>> +	default "ocelot"
>> +
>> +config SYS_CONFIG_NAME
>> +	default "ocelot"
>> +
>> +endif
>> +
>> +if SOC_LUTON
>> +
>> +config SYS_BOARD
>> +	default "luton"
>> +
>> +config SYS_CONFIG_NAME
>> +	default "luton"
>> +
>
> this is already defined in board/mscc/luton/Kconfig

I removed it

>
>> +endif
>> diff --git a/board/mscc/ocelot/Makefile b/board/mscc/ocelot/Makefile
>> new file mode 100644
>> index 0000000000..f6a665ca83
>> --- /dev/null
>> +++ b/board/mscc/ocelot/Makefile
>> @@ -0,0 +1,5 @@
>> +# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +
>> +obj-$(CONFIG_SOC_OCELOT)	:= ocelot.o
>> +obj-y += ../common/board.o
>> +
>> diff --git a/board/mscc/ocelot/ocelot.c b/board/mscc/ocelot/ocelot.c
>> new file mode 100644
>> index 0000000000..971fa93d07
>> --- /dev/null
>> +++ b/board/mscc/ocelot/ocelot.c
>> @@ -0,0 +1,38 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +/*
>> + * Copyright (c) 2018 Microsemi Corporation
>> + */
>> +
>> +#include <common.h>
>> +#include <asm/io.h>
>> +#include <asm/addrspace.h>
>> +#include <asm/types.h>
>> +#include <environment.h>
>> +#include <spi.h>
>> +
>> +DECLARE_GLOBAL_DATA_PTR;
>> +
>> +void external_cs_manage(struct udevice *dev, bool enable)
>> +{
>> +	u32 cs = spi_chip_select(dev);
>> +        /* IF_SI0_OWNER, select the owner of the SI interface
>> +         * Encoding: 0: SI Slave
>> +         *           1: SI Boot Master
>> +         *           2: SI Master Controller
>> +         */
>
> style issues like indentation and multi-line comments

I fixed it

Gregory

>
>> +        if (!enable) {
>> +                writel(ICPU_SW_MODE_SW_PIN_CTRL_MODE |
>> +		       ICPU_SW_MODE_SW_SPI_CS(BIT(cs)),
>> +		       REG_CFG(ICPU_SW_MODE));
>> +                writel((readl(REG_CFG(ICPU_GENERAL_CTRL))
>> +			& ~ICPU_GENERAL_CTRL_IF_SI_OWNER_M) |
>> +		       ICPU_GENERAL_CTRL_IF_SI_OWNER(2),
>> +		       REG_CFG(ICPU_GENERAL_CTRL));
>> +        } else {
>> +                writel(0, REG_CFG(ICPU_SW_MODE));
>> +                writel((readl(REG_CFG(ICPU_GENERAL_CTRL)) &
>> +			~ICPU_GENERAL_CTRL_IF_SI_OWNER_M) |
>> +		       ICPU_GENERAL_CTRL_IF_SI_OWNER(1),
>> +		       REG_CFG(ICPU_GENERAL_CTRL));
>> +        }
>> +}
>> 
>
> -- 
> - Daniel
>

-- 
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com