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Subject: Re: [PATCH] clk: qcom: Fix MSM8998 resets
To:     Bjorn Andersson <bjorn.andersson@linaro.org>
Cc:     andy.gross@linaro.org, david.brown@linaro.org,
        mturquette@baylibre.com, sboyd@kernel.org,
        linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <1543851298-32320-1-git-send-email-jhugo@codeaurora.org>
 <20181203155538.GQ2225@minitux>
From:   Jeffrey Hugo <jhugo@codeaurora.org>
Message-ID: <711fb66a-a408-08e2-c0c2-6addf1510937@codeaurora.org>
Date:   Mon, 3 Dec 2018 09:08:46 -0700
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On 12/3/2018 8:55 AM, Bjorn Andersson wrote:
> On Mon 03 Dec 07:34 PST 2018, Jeffrey Hugo wrote:
> 
>> The offsets for the defined BCR reset registers does not match the hardware
>> documentation.  Update the values to match the hardware documentation.
>>
> 
> Sorry for not spotting this before.
> 
>> Fixes: b5f5f525c547 (clk: qcom: Add MSM8998 Global Clock Control (GCC) driver)
>> Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
>> ---
>>   drivers/clk/qcom/gcc-msm8998.c | 38 +++++++++++++++++++-------------------
>>   1 file changed, 19 insertions(+), 19 deletions(-)
>>
>> diff --git a/drivers/clk/qcom/gcc-msm8998.c b/drivers/clk/qcom/gcc-msm8998.c
>> index 9f0ae40..01cc555 100644
>> --- a/drivers/clk/qcom/gcc-msm8998.c
>> +++ b/drivers/clk/qcom/gcc-msm8998.c
>> @@ -2742,25 +2742,25 @@ enum {
>>   };
>>   
>>   static const struct qcom_reset_map gcc_msm8998_resets[] = {
>> -	[GCC_BLSP1_QUP1_BCR] = { 0x102400 },
>> -	[GCC_BLSP1_QUP2_BCR] = { 0x110592 },
>> -	[GCC_BLSP1_QUP3_BCR] = { 0x118784 },
>> -	[GCC_BLSP1_QUP4_BCR] = { 0x126976 },
>> -	[GCC_BLSP1_QUP5_BCR] = { 0x135168 },
>> -	[GCC_BLSP1_QUP6_BCR] = { 0x143360 },
>> -	[GCC_BLSP2_QUP1_BCR] = { 0x155648 },
>> -	[GCC_BLSP2_QUP2_BCR] = { 0x163840 },
>> -	[GCC_BLSP2_QUP3_BCR] = { 0x172032 },
>> -	[GCC_BLSP2_QUP4_BCR] = { 0x180224 },
>> -	[GCC_BLSP2_QUP5_BCR] = { 0x188416 },
>> -	[GCC_BLSP2_QUP6_BCR] = { 0x196608 },
>> -	[GCC_PCIE_0_BCR] = { 0x438272 },
>> -	[GCC_PDM_BCR] = { 0x208896 },
>> -	[GCC_SDCC2_BCR] = { 0x81920 },
>> -	[GCC_SDCC4_BCR] = { 0x90112 },
>> -	[GCC_TSIF_BCR] = { 0x221184 },
>> -	[GCC_UFS_BCR] = { 0x479232 },
>> -	[GCC_USB_30_BCR] = { 0x61440 },
>> +	[GCC_BLSP1_QUP1_BCR] = { 0x19000 },
>> +	[GCC_BLSP1_QUP2_BCR] = { 0x1b000 },
>> +	[GCC_BLSP1_QUP3_BCR] = { 0x1d000 },
>> +	[GCC_BLSP1_QUP4_BCR] = { 0x1f000 },
>> +	[GCC_BLSP1_QUP5_BCR] = { 0x21000 },
>> +	[GCC_BLSP1_QUP6_BCR] = { 0x23000 },
>> +	[GCC_BLSP2_QUP1_BCR] = { 0x26000 },
>> +	[GCC_BLSP2_QUP2_BCR] = { 0x28000 },
>> +	[GCC_BLSP2_QUP3_BCR] = { 0x2a000 },
>> +	[GCC_BLSP2_QUP4_BCR] = { 0x2c000 },
>> +	[GCC_BLSP2_QUP5_BCR] = { 0x2e000 },
>> +	[GCC_BLSP2_QUP6_BCR] = { 0x30000 },
>> +	[GCC_PCIE_0_BCR] = { 0x6c01c },
> 
> I find GCC_PCIE_0_BCR at 0x6b000 and then GCC_PCIE_0_PHY_BCR at 0x6c01c.

Doh.  Thanks for the double check.  GCC_PCIE_0_PHY_BCR is not defined in 
include/dt-bindings/clock/qcom,gcc-msm8998.h so I plan to leave it out 
until later.

Expect a v2 shortly.

> 
>> +	[GCC_PDM_BCR] = { 0x33000 },
>> +	[GCC_SDCC2_BCR] = { 0x14000 },
>> +	[GCC_SDCC4_BCR] = { 0x16000 },
>> +	[GCC_TSIF_BCR] = { 0x36000 },
>> +	[GCC_UFS_BCR] = { 0x75000 },
>> +	[GCC_USB_30_BCR] = { 0xf000 },
>>   };
> 
> With this updated, you have my
> 
> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> 
> Regards,
> Bjorn
> 


-- 
Jeffrey Hugo
Qualcomm Datacenter Technologies as an affiliate of Qualcomm 
Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.