diff options
Diffstat (limited to 'drivers/memory/atmel-ebi.c')
| -rw-r--r-- | drivers/memory/atmel-ebi.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c index 597282e35c69..b907865d4664 100644 --- a/drivers/memory/atmel-ebi.c +++ b/drivers/memory/atmel-ebi.c @@ -51,6 +51,7 @@ struct atmel_ebi { struct { struct regmap *regmap; struct clk *clk; + const struct atmel_hsmc_reg_layout *layout; } smc; struct device *dev; @@ -72,7 +73,7 @@ struct atmel_smc_timing_xlate { { .name = nm, .converter = atmel_smc_cs_conf_set_pulse, .shift = pos} #define ATMEL_SMC_CYCLE_XLATE(nm, pos) \ - { .name = nm, .converter = atmel_smc_cs_conf_set_setup, .shift = pos} + { .name = nm, .converter = atmel_smc_cs_conf_set_cycle, .shift = pos} static void at91sam9_ebi_get_config(struct atmel_ebi_dev *ebid, struct atmel_ebi_dev_config *conf) @@ -84,8 +85,8 @@ static void at91sam9_ebi_get_config(struct atmel_ebi_dev *ebid, static void sama5_ebi_get_config(struct atmel_ebi_dev *ebid, struct atmel_ebi_dev_config *conf) { - atmel_hsmc_cs_conf_get(ebid->ebi->smc.regmap, conf->cs, - &conf->smcconf); + atmel_hsmc_cs_conf_get(ebid->ebi->smc.regmap, ebid->ebi->smc.layout, + conf->cs, &conf->smcconf); } static const struct atmel_smc_timing_xlate timings_xlate_table[] = { @@ -120,12 +121,14 @@ static int atmel_ebi_xslate_smc_timings(struct atmel_ebi_dev *ebid, if (!ret) { required = true; ncycles = DIV_ROUND_UP(val, clk_period_ns); - if (ncycles > ATMEL_SMC_MODE_TDF_MAX || - ncycles < ATMEL_SMC_MODE_TDF_MIN) { + if (ncycles > ATMEL_SMC_MODE_TDF_MAX) { ret = -EINVAL; goto out; } + if (ncycles < ATMEL_SMC_MODE_TDF_MIN) + ncycles = ATMEL_SMC_MODE_TDF_MIN; + smcconf->mode |= ATMEL_SMC_MODE_TDF(ncycles); } @@ -263,7 +266,7 @@ static int atmel_ebi_xslate_smc_config(struct atmel_ebi_dev *ebid, } ret = atmel_ebi_xslate_smc_timings(ebid, np, &conf->smcconf); - if (ret) + if (ret < 0) return -EINVAL; if ((ret > 0 && !required) || (!ret && required)) { @@ -285,8 +288,8 @@ static void at91sam9_ebi_apply_config(struct atmel_ebi_dev *ebid, static void sama5_ebi_apply_config(struct atmel_ebi_dev *ebid, struct atmel_ebi_dev_config *conf) { - atmel_hsmc_cs_conf_apply(ebid->ebi->smc.regmap, conf->cs, - &conf->smcconf); + atmel_hsmc_cs_conf_apply(ebid->ebi->smc.regmap, ebid->ebi->smc.layout, + conf->cs, &conf->smcconf); } static int atmel_ebi_dev_setup(struct atmel_ebi *ebi, struct device_node *np, @@ -524,6 +527,10 @@ static int atmel_ebi_probe(struct platform_device *pdev) if (IS_ERR(ebi->smc.regmap)) return PTR_ERR(ebi->smc.regmap); + ebi->smc.layout = atmel_hsmc_get_reg_layout(smc_np); + if (IS_ERR(ebi->smc.layout)) + return PTR_ERR(ebi->smc.layout); + ebi->smc.clk = of_clk_get(smc_np, 0); if (IS_ERR(ebi->smc.clk)) { if (PTR_ERR(ebi->smc.clk) != -ENOENT) |