From: York Sun yorksun@freescale.com
In case SPD address changes between board revisions, updating SPD address can be called from board file.
Signed-off-by: York Sun yorksun@freescale.com Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com --- Changes for v2: sending as it is for patch set
drivers/ddr/fsl/main.c | 8 ++++++++ include/fsl_ddr.h | 3 +++ 2 files changed, 11 insertions(+)
diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c index fa22383..14ecf12 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); } } diff --git a/include/fsl_ddr.h b/include/fsl_ddr.h index 4099a74..728503b 100644 --- a/include/fsl_ddr.h +++ b/include/fsl_ddr.h @@ -136,4 +136,7 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, int fsl_ddr_get_dimm_params(dimm_params_t *pdimm, unsigned int controller_number, unsigned int dimm_number); +void update_spd_address(unsigned int ctrl_num, + unsigned int slot, + unsigned int *addr); #endif