[PATCH v2] ARM: webasto-ccbv2: Add variant with 512MB RAM

[Holger Assmann]

My bad! v3 is on the way...

Am 17.05.21 um 18:39 schrieb Rouven Czerwinski:
> Hi Holger,
> 
> it looks like the changes to arch/arm/boards/webasto-ccbv2/lowlevel.c
> and images/Makefile.imx have gone missing, so unfortunately the new
> flash header isn't used and the old flash header can no longer be used
> since images/Makefile.imx was not adjusted.
> 
> Regards,
> Rouven
> 
> On Mon, 2021-05-17 at 18:03 +0200, Holger Assmann wrote:
>> Add variant for 512MB RAM board.
>>
>> v1 -> v2:
>>
>>   by Rouven Czerwinski <r.czerwinski at pengutronix.de>:
>>    - just ship one single firmware version, depending on the underlying
>>      board variant
>>
>>   by Ahmad Fatoum <a.fatoum at pengutronix.de>:
>>    - account for the 512MB variant by hard-coding memsize == SZ_512
>>
>> Signed-off-by: Holger Assmann <h.assmann at pengutronix.de>
>> ---
>>   ...sh-header-imx6ul-webasto-ccbv2-256.imxcfg} |  0
>>   ...ash-header-imx6ul-webasto-ccbv2-512.imxcfg | 88 +++++++++++++++++++
>>   arch/arm/boards/webasto-ccbv2/lowlevel.c      |  2 +-
>>   3 files changed, 89 insertions(+), 1 deletion(-)
>>   rename arch/arm/boards/webasto-ccbv2/{flash-header-imx6ul-webasto-ccbv2.imxcfg => flash-header-imx6ul-webasto-ccbv2-256.imxcfg} (100%)
>>   create mode 100644 arch/arm/boards/webasto-ccbv2/flash-header-imx6ul-webasto-ccbv2-512.imxcfg
>>
>> diff --git a/arch/arm/boards/webasto-ccbv2/flash-header-imx6ul-webasto-ccbv2.imxcfg b/arch/arm/boards/webasto-ccbv2/flash-header-imx6ul-webasto-ccbv2-256.imxcfg
>> similarity index 100%
>> rename from arch/arm/boards/webasto-ccbv2/flash-header-imx6ul-webasto-ccbv2.imxcfg
>> rename to arch/arm/boards/webasto-ccbv2/flash-header-imx6ul-webasto-ccbv2-256.imxcfg
>> diff --git a/arch/arm/boards/webasto-ccbv2/flash-header-imx6ul-webasto-ccbv2-512.imxcfg b/arch/arm/boards/webasto-ccbv2/flash-header-imx6ul-webasto-ccbv2-512.imxcfg
>> new file mode 100644
>> index 0000000000..d438a665f1
>> --- /dev/null
>> +++ b/arch/arm/boards/webasto-ccbv2/flash-header-imx6ul-webasto-ccbv2-512.imxcfg
>> @@ -0,0 +1,88 @@
>> +/* SPDX-License-Identifier: GPL-2.0-or-later */
>> +loadaddr 0x80000000
>> +soc imx6
>> +ivtofs 0x400
>> +
>> +/* Enable all clocks */
>> +wm 32 0x020c4068 0xffffffff
>> +wm 32 0x020c406c 0xffffffff
>> +wm 32 0x020c4070 0xffffffff
>> +wm 32 0x020c4074 0xffffffff
>> +wm 32 0x020c4078 0xffffffff
>> +wm 32 0x020c407c 0xffffffff
>> +wm 32 0x020c4080 0xffffffff
>> +
>> +/* IOMUX */
>> +/* DDR IO type */
>> +wm 32 0x020E04B4 0x000C0000
>> +wm 32 0x020E04AC 0x00000000
>> +/* Clock */
>> +wm 32 0x020E027C 0x00000028
>> +/* Control */
>> +wm 32 0x020E0250 0x00000028
>> +wm 32 0x020E024C 0x00000028
>> +wm 32 0x020E0490 0x00000028
>> +wm 32 0x020E0288 0x00000028
>> +wm 32 0x020E0270 0x00000000
>> +wm 32 0x020E0260 0x00000028
>> +wm 32 0x020E0264 0x00000028
>> +wm 32 0x020E04A0 0x00000028
>> +/* Data strobe */
>> +wm 32 0x020E0494 0x00020000
>> +wm 32 0x020E0280 0x00000028
>> +wm 32 0x020E0284 0x00000028
>> +/* Data */
>> +wm 32 0x020E04B0 0x00020000
>> +wm 32 0x020E0498 0x00000028
>> +wm 32 0x020E04A4 0x00000028
>> +wm 32 0x020E0244 0x00000028
>> +wm 32 0x020E0248 0x00000028
>> +
>> +/* DDR Controller registers */
>> +wm 32 0x021B001C 0x00008000
>> +wm 32 0x021B0800 0xA1390003
>> +/* Calibration values */
>> +wm 32 0x021B080C 0x00090000
>> +wm 32 0x021B083C 0x01580158
>> +wm 32 0x021B0848 0x40405050
>> +wm 32 0x021B0850 0x4040524C
>> +wm 32 0x021B081C 0x33333333
>> +wm 32 0x021B0820 0x33333333
>> +wm 32 0x021B082C 0xf3333333
>> +wm 32 0x021B0830 0xf3333333
>> +/* END of calibration values */
>> +wm 32 0x021B08C0 0x00921012
>> +wm 32 0x021B08b8 0x00000800
>> +
>> +/* MMDC init */
>> +wm 32 0x021B0004 0x0002002D
>> +wm 32 0x021B0008 0x1b333030
>> +wm 32 0x021B000C 0x676B52F3
>> +wm 32 0x021B0010 0xB66D0B63
>> +wm 32 0x021B0014 0x01FF00DB
>> +/* Consider reducing RALAT (currently set to 5) */
>> +wm 32 0x021B0018 0x00211740
>> +wm 32 0x021B001C 0x00008000
>> +wm 32 0x021B002C 0x000026D2
>> +wm 32 0x021B0030 0x006B1023
>> +wm 32 0x021B0040 0x0000004F
>> +wm 32 0x021B0000 0x84180000
>> +
>> +/* Mode registers writes for CS0 */
>> +wm 32 0x021B001C 0x02008032
>> +wm 32 0x021B001C 0x00008033
>> +wm 32 0x021B001C 0x00048031
>> +wm 32 0x021B001C 0x15208030
>> +wm 32 0x021B001C 0x04008040
>> +
>> +/* Final DDR setup */
>> +wm 32 0x021B0020 0x00007800
>> +wm 32 0x021B0818 0x00000227
>> +wm 32 0x021B0004 0x0002556D
>> +wm 32 0x021B0404 0x00011006
>> +wm 32 0x021B001C 0x00000000
>> +
>> +/* Disable TZASC bypass */
>> +wm 32 0x020E4024 0x00000001
>> +
>> +#include <mach/habv4-imx6-gencsf.h>
>> diff --git a/arch/arm/boards/webasto-ccbv2/lowlevel.c b/arch/arm/boards/webasto-ccbv2/lowlevel.c
>> index 8529ea3735..5b6115bed5 100644
>> --- a/arch/arm/boards/webasto-ccbv2/lowlevel.c
>> +++ b/arch/arm/boards/webasto-ccbv2/lowlevel.c
>> @@ -48,7 +48,7 @@ static void noinline start_ccbv2(u32 r0)
>>   	 */
>>   	if(IS_ENABLED(CONFIG_FIRMWARE_CCBV2_OPTEE)
>>   	   && !(r0 > MX6_MMDC_P0_BASE_ADDR
>> -	        &&  r0 < MX6_MMDC_P0_BASE_ADDR + SZ_256M)) {
>> +	        &&  r0 < MX6_MMDC_P0_BASE_ADDR + SZ_512M)) {
>>   		get_builtin_firmware(ccbv2_optee_bin, &tee, &tee_size);
>>   
>>   		memset((void *)OPTEE_OVERLAY_LOCATION, 0, 0x1000);
> 
> 
> 
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