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Commit 9ed4165c authored by Lingutla Chandrasekhar's avatar Lingutla Chandrasekhar
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soc: qcom: add physical address error type in Gladiator erp 



Gladiator error reporting unit introduced "physical address"
error type.
CPU can generate physical addresses of PARange (from reg MMFR0),
but Gnoc supports max range of 36 physical address only.
So if cpu generate transaction address of greater than 36 bits,
then Gnoc generates physical address error.

Add support to decode physical address error.

Change-Id: I946c504e6abde9e4de66323ffa69b1d40eabf9d2
Signed-off-by: default avatarLingutla Chandrasekhar <clingutla@codeaurora.org>
parent 1d9aee75

drivers/soc/qcom/gladiator_erp.c

+12 −2
Original line number Diff line number Diff line
@@ -163,6 +163,7 @@ enum type_logger_error { 
	DISCONNECT_ERROR,

	DIRECTORY_ERROR,

	PARITY_ERROR,

	PHYSICAL_ADDRESS_ERROR,

};



static void clear_gladiator_error(void __iomem *gladiator_virt_base,
@@ -200,12 +201,14 @@ static inline void print_gld_transaction(unsigned int opc) 


static inline void print_gld_errtype(unsigned int errtype)

{

	char *errors = "Disconnect, Directory, Parity, Physical address";



	if (errtype == 0)

		pr_alert("Error type: Snoop data transfer\n");

	else if (errtype == 1)

		pr_alert("Error type: DVM error\n");

	else if (errtype == 3)

		pr_alert("Error type: Disconnect, directory, or parity error\n");

		pr_alert("Error type: %s\n", errors);

	else

		pr_alert("Error type: Unknown; value:%u\n", errtype);

}
@@ -288,7 +291,7 @@ static void decode_gld_logged_error(u32 err_reg5, 


	log_err_type = (err_reg5 & mask_shifts->gld_errlog5_error_type_mask)

		>> mask_shifts->gld_errlog5_error_type_shift;

	for (i = 0 ; i <= 6 ; i++) {

	for (i = 0 ; i <= 7 ; i++) {

		value = log_err_type & 0x1;

		switch (i) {

		case DATA_TRANSFER_ERROR:
@@ -337,7 +340,14 @@ static void decode_gld_logged_error(u32 err_reg5, 
					mask_shifts);

			decode_index_parity(err_reg5, mask_shifts);

			break;

		case PHYSICAL_ADDRESS_ERROR:

			if (value == 0)

				continue;

			pr_alert("Error type: Physical address error\n");

			pr_alert("Address is greater than SoC address range\n");

			break;

		}



		log_err_type = log_err_type >> 1;

	}

}