[PATCH 6/7] arm: mach-k3: j721e_init: initialize ESM support

Tero Kristo t-kristo at ti.com
Thu Feb 13 13:02:49 CET 2020


On 13/02/2020 12:47, Lokesh Vutla wrote:
> 
> 
> On 13/02/20 3:04 PM, Tero Kristo wrote:
>> Initialize both ESM and ESM_PMIC support if available for the board.
>> If support is not available for either, a warning is printed out.
>>
>> ESM signals are only properly routed on PM2 version of the J721E SOM,
>> so only probe the drivers on this device.
>>
>> Signed-off-by: Tero Kristo <t-kristo at ti.com>
>> ---
>>   arch/arm/mach-k3/j721e_init.c | 23 ++++++++++++++++++++++-
>>   1 file changed, 22 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c
>> index f7f7398081..2de9583937 100644
>> --- a/arch/arm/mach-k3/j721e_init.c
>> +++ b/arch/arm/mach-k3/j721e_init.c
>> @@ -18,6 +18,7 @@
>>   #include <dm.h>
>>   #include <dm/uclass-internal.h>
>>   #include <dm/pinctrl.h>
>> +#include "../../../board/ti/common/board_detect.h"
>>   
>>   #ifdef CONFIG_SPL_BUILD
>>   #ifdef CONFIG_K3_LOAD_SYSFW
>> @@ -114,7 +115,8 @@ static void store_boot_index_from_rom(void)
>>   
>>   void board_init_f(ulong dummy)
>>   {
>> -#if defined(CONFIG_K3_J721E_DDRSS) || defined(CONFIG_K3_LOAD_SYSFW)
>> +#if defined(CONFIG_K3_J721E_DDRSS) || defined(CONFIG_K3_LOAD_SYSFW) || \
>> +	defined(CONFIG__ESM_K3) || defined(CONFIG_ESM_PMIC)
>>   	struct udevice *dev;
>>   	int ret;
>>   #endif
>> @@ -181,6 +183,25 @@ void board_init_f(ulong dummy)
>>   		printf("AVS init failed: %d\n", ret);
>>   #endif
>>   
>> +#ifdef CONFIG_ESM_K3
>> +	if (board_ti_k3_is("J721EX-PM2-SOM")) {
>> +		ret = uclass_get_device_by_driver(UCLASS_MISC,
>> +						  DM_GET_DRIVER(k3_esm), &dev);
>> +		if (ret)
>> +			printf("MISC init failed: %d\n", ret);
>> +	}
>> +#endif
>> +
>> +#ifdef CONFIG_ESM_PMIC
>> +	if (board_ti_k3_is("J721EX-PM2-SOM")) {
>> +		ret = uclass_get_device_by_driver(UCLASS_MISC,
>> +						  DM_GET_DRIVER(pmic_esm),
>> +						  &dev);
>> +		if (ret)
>> +			printf("ESM PMIC init failed: %d\n", ret);
>> +	}
>> +#endif
> 
> Since this is board specific, can you call this under spl_board_init() and add
> it in board/ti/j721e ?

Right, let me try that out.

-Tero
--
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