diff options
Diffstat (limited to 'arch/arm/cpu/armv7/am33xx/ddr.c')
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/ddr.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/ddr.c b/arch/arm/cpu/armv7/am33xx/ddr.c index 5b0454c..255f333 100644 --- a/arch/arm/cpu/armv7/am33xx/ddr.c +++ b/arch/arm/cpu/armv7/am33xx/ddr.c @@ -88,6 +88,9 @@ void config_ddr_phy(const struct emif_regs *regs, int nr) */ void config_cmd_ctrl(const struct cmd_control *cmd, int nr) { + if (!cmd) + return; + writel(cmd->cmd0csratio, &ddr_cmd_reg[nr]->cm0csratio); writel(cmd->cmd0iclkout, &ddr_cmd_reg[nr]->cm0iclkout); @@ -105,6 +108,9 @@ void config_ddr_data(const struct ddr_data *data, int nr) { int i; + if (!data) + return; + for (i = 0; i < DDR_DATA_REGS_NR; i++) { writel(data->datardsratio0, &(ddr_data_reg[nr]+i)->dt0rdsratio0); @@ -121,11 +127,20 @@ void config_ddr_data(const struct ddr_data *data, int nr) } } -void config_io_ctrl(unsigned long val) +void config_io_ctrl(const struct ctrl_ioregs *ioregs) { - writel(val, &ioctrl_reg->cm0ioctl); - writel(val, &ioctrl_reg->cm1ioctl); - writel(val, &ioctrl_reg->cm2ioctl); - writel(val, &ioctrl_reg->dt0ioctl); - writel(val, &ioctrl_reg->dt1ioctl); + if (!ioregs) + return; + + writel(ioregs->cm0ioctl, &ioctrl_reg->cm0ioctl); + writel(ioregs->cm1ioctl, &ioctrl_reg->cm1ioctl); + writel(ioregs->cm2ioctl, &ioctrl_reg->cm2ioctl); + writel(ioregs->dt0ioctl, &ioctrl_reg->dt0ioctl); + writel(ioregs->dt1ioctl, &ioctrl_reg->dt1ioctl); +#ifdef CONFIG_AM43XX + writel(ioregs->dt2ioctrl, &ioctrl_reg->dt2ioctrl); + writel(ioregs->dt3ioctrl, &ioctrl_reg->dt3ioctrl); + writel(ioregs->emif_sdram_config_ext, + &ioctrl_reg->emif_sdram_config_ext); +#endif } |