[U-Boot] [PATCH] mpc85xx/powerpc:cpu_init: Modified the errata according to endianness

Sriram Dash sriram.dash at nxp.com
Wed Jun 22 06:08:18 CEST 2016


>From: Marek Vasut [mailto:marex at denx.de]
>On 06/21/2016 09:22 AM, Sriram Dash wrote:
>> Modifies errata implementation due to the fact that P3041, P5020, and
>> P5040 are all big endian for the USB PHY registers, but they were
>> specified little endian. Also
>
>Please split this into two patches.
>

OK. Will take care in v2.

>, Adds errata for P1010 and
>> P2041 2.0.
>>
>> Signed-off-by: Sriram Dash <sriram.dash at nxp.com>
>> Signed-off-by: Rajesh Bhagat <rajesh.bhagat at nxp.com>
>> ---
>>  arch/powerpc/cpu/mpc85xx/cpu_init.c       | 4 ++--
>>  arch/powerpc/include/asm/config_mpc85xx.h | 1 +
>>  arch/powerpc/include/asm/immap_85xx.h     | 2 ++
>>  drivers/usb/common/fsl-errata.c           | 6 ++++--
>>  4 files changed, 9 insertions(+), 4 deletions(-)
>>
>> diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c
>> b/arch/powerpc/cpu/mpc85xx/cpu_init.c
>> index 61f5639..61dedfc 100644
>> --- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
>> +++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
>> @@ -114,10 +114,10 @@ void fsl_erratum_a006261_workaround(struct
>ccsr_usb_phy __iomem *usb_phy)
>>  	setbits_be32(&usb_phy->config2,
>>  		     CONFIG_SYS_FSL_USB_RX_AUTO_CAL_RD_WR_SEL);
>>
>> -	temp = squelch_prog_rd_0_2 <<
>CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_0;
>> +	temp = squelch_prog_rd_0_2 <<
>CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_3;
>>  	out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
>>
>> -	temp = squelch_prog_rd_3_5 <<
>CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_3;
>> +	temp = squelch_prog_rd_3_5 <<
>CONFIG_SYS_FSL_USB_SQUELCH_PROG_WR_0;
>>  	out_be32(&usb_phy->config2, in_be32(&usb_phy->config2) | temp);
>> #endif  } diff --git a/arch/powerpc/include/asm/config_mpc85xx.h
>> b/arch/powerpc/include/asm/config_mpc85xx.h
>> index 505d355..9b7feda 100644
>> --- a/arch/powerpc/include/asm/config_mpc85xx.h
>> +++ b/arch/powerpc/include/asm/config_mpc85xx.h
>> @@ -162,6 +162,7 @@
>>  #define CONFIG_SYS_FSL_ERRATUM_I2C_A004447
>>  #define CONFIG_SYS_FSL_ERRATUM_A004508  #define
>> CONFIG_SYS_FSL_ERRATUM_A007075
>> +#define CONFIG_SYS_FSL_USB1_PHY_ENABLE
>>  #define CONFIG_SYS_FSL_ERRATUM_A006261  #define
>> CONFIG_SYS_FSL_ERRATUM_A004477
>>  #define CONFIG_SYS_FSL_A004447_SVR_REV	0x10
>> diff --git a/arch/powerpc/include/asm/immap_85xx.h
>> b/arch/powerpc/include/asm/immap_85xx.h
>> index c045a24..07ad22d 100644
>> --- a/arch/powerpc/include/asm/immap_85xx.h
>> +++ b/arch/powerpc/include/asm/immap_85xx.h
>> @@ -2953,6 +2953,8 @@ struct ccsr_pman {
>>  #define CONFIG_SYS_MPC85xx_DMA_OFFSET		0x21000
>>  #define CONFIG_SYS_MPC85xx_USB1_OFFSET		0x22000
>>  #define CONFIG_SYS_MPC85xx_USB2_OFFSET		0x23000
>> +#define CONFIG_SYS_MPC85xx_USB1_PHY_OFFSET	0xE5000
>> +#define CONFIG_SYS_MPC85xx_USB2_PHY_OFFSET	0xE5100
>>  #ifdef CONFIG_TSECV2
>>  #define CONFIG_SYS_TSEC1_OFFSET			0xB0000
>>  #elif defined(CONFIG_TSECV2_1)
>> diff --git a/drivers/usb/common/fsl-errata.c
>> b/drivers/usb/common/fsl-errata.c index ebe60a8..a69b977 100644
>> --- a/drivers/usb/common/fsl-errata.c
>> +++ b/drivers/usb/common/fsl-errata.c
>> @@ -53,7 +53,8 @@ bool has_erratum_a006261(void)
>>  	case SVR_P2041:
>>  	case SVR_P2040:
>>  		return IS_SVR_REV(svr, 1, 0) ||
>> -			IS_SVR_REV(svr, 1, 1) || IS_SVR_REV(svr, 2, 1);
>> +			IS_SVR_REV(svr, 1, 1) ||
>> +			IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 2, 1);
>>  	case SVR_P3041:
>>  		return IS_SVR_REV(svr, 1, 0) ||
>>  			IS_SVR_REV(svr, 1, 1) ||
>> @@ -72,7 +73,8 @@ bool has_erratum_a006261(void)
>>  	case SVR_T2081:
>>  		return IS_SVR_REV(svr, 1, 0);
>>  	case SVR_P5040:
>> -		return IS_SVR_REV(svr, 1, 0);
>> +		return IS_SVR_REV(svr, 1, 0) ||
>> +		       IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 2, 1);
>>  #endif
>>  	}
>>
>>
>
>
>--
>Best regards,
>Marek Vasut


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