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authorYork Sun <yorksun at freescale.com>2015-05-28 14:54:08 +0530
committerYork Sun <yorksun@freescale.com>2015-07-20 11:44:35 -0700
commitb92557cd3f37538fbd813e72f447109cbde4ff87 (patch)
treef3c97211f77fd35938ff7f0fd951e21657d97f1e /drivers
parentff1b8e3f556ca8e339e9b85c31575592e3100e02 (diff)
driver/ddr/fsl: Add a hook to update SPD address
In case SPD address changes between board revisions, updating SPD address can be called from board file. Signed-off-by: York Sun <yorksun at freescale.com> Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ddr/fsl/main.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c
index fa223834f2..14ecf1219c 100644
--- a/drivers/ddr/fsl/main.c
+++ b/drivers/ddr/fsl/main.c
@@ -135,6 +135,13 @@ static void __get_spd(generic_spd_eeprom_t *spd, u8 i2c_address)
__attribute__((weak, alias("__get_spd")))
void get_spd(generic_spd_eeprom_t *spd, u8 i2c_address);
+/* This function allows boards to update SPD address */
+__weak void update_spd_address(unsigned int ctrl_num,
+ unsigned int slot,
+ unsigned int *addr)
+{
+}
+
void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
unsigned int ctrl_num, unsigned int dimm_slots_per_ctrl)
{
@@ -148,6 +155,7 @@ void fsl_ddr_get_spd(generic_spd_eeprom_t *ctrl_dimms_spd,
for (i = 0; i < dimm_slots_per_ctrl; i++) {
i2c_address = spd_i2c_addr[ctrl_num][i];
+ update_spd_address(ctrl_num, i, &i2c_address);
get_spd(&(ctrl_dimms_spd[i]), i2c_address);
}
}