[U-Boot] [PATCH 06/10] arm: socfpga: arria10: Added drivers for Arria10 Reset Manager

Marek Vasut marex at denx.de
Wed Dec 7 14:58:48 CET 2016


On 12/07/2016 12:58 PM, Chee, Tien Fong wrote:
> On Sel, 2016-12-06 at 13:55 +0100, Marek Vasut wrote:
>> On 12/06/2016 09:08 AM, Chee Tien Fong wrote:
>>>
>>> From: Tien Fong Chee <tien.fong.chee at intel.com>
>>>
>>> Drivers for reset manager is restructured such that common
>>> functions,
>>> gen5 drivers and Arria10 drivers are moved to reset_manager.c,
>>> reset_manager_gen5.c and reset_manager_arria10.c respectively.
>>>
>>> Signed-off-by: Tien Fong Chee <tien.fong.chee at intel.com>
>>> Cc: Marek Vasut <marex at denx.de>
>>> Cc: Dinh Nguyen <dinguyen at kernel.org>
>>> Cc: Chin Liang See <chin.liang.see at intel.com>
>>> Cc: Tien Fong <skywindctf at gmail.com>

[...]

>>> +void reset_deassert_dedicated_peripherals(void)
>>> +{
>>> +	int i;
>>> +	u32 mask0 = 0;
>>> +	u32 mask1 = 0;
>>> +	u32 pinmux_addr = SOCFPGA_PINMUX_DEDICATED_IO_ADDRESS;
>>> +	u32 mask = 0;
>>> +#if defined(CONFIG_MMC)
>>> +	mask |= ALT_RSTMGR_PER0MODRST_SDMMCECC_SET_MSK;
>>> +#elif defined(CONFIG_CADENCE_QSPI)
>>> +	mask |= ALT_RSTMGR_PER0MODRST_QSPIECC_SET_MSK;
>>> +#elif defined(CONFIG_NAND_DENALI)
>>> +	mask |= ALT_RSTMGR_PER0MODRST_NANDECC_SET_MSK;
>>> +#else
>> Shouldn't this come from OF instead of being ifdef'd ?
>>
> What is OF?

Device Tree (Open Firmware).

> what is your suggestion to make this function generic for
> all type of flash?

Pull it from OF ?

>>> +#error "unsupported dedicated peripherals"
>>> +#endif
>>> +	mask |= ALT_RSTMGR_PER0MODRST_DMAECC_SET_MSK;
>>> +
>>> +	/* enable ECC OCP first */
>>> +	clrbits_le32(&reset_manager_base->per0modrst, mask);
>> [...]


-- 
Best regards,
Marek Vasut


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