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driver/ddr/fsl: Add a hook to update SPD address

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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>
This commit is contained in:
York Sun 2015-05-28 14:54:08 +05:30 committed by York Sun
parent ff1b8e3f55
commit b92557cd3f
2 changed files with 11 additions and 0 deletions
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8
drivers/ddr/fsl/main.c
View file

@ -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);
}
}

3
include/fsl_ddr.h
View file

@ -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