diff options
| -rw-r--r-- | drivers/ram/stm32mp1/stm32mp1_ram.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/drivers/ram/stm32mp1/stm32mp1_ram.c b/drivers/ram/stm32mp1/stm32mp1_ram.c index 7b1adc5b24..8bcd861261 100644 --- a/drivers/ram/stm32mp1/stm32mp1_ram.c +++ b/drivers/ram/stm32mp1/stm32mp1_ram.c @@ -57,6 +57,27 @@ int stm32mp1_ddr_clk_enable(struct ddr_info *priv, uint32_t mem_speed) return 0; } +__weak int board_stm32mp1_ddr_config_name_match(struct udevice *dev, + const char *name) +{ + return 0; /* Always match */ +} + +static ofnode stm32mp1_ddr_get_ofnode(struct udevice *dev) +{ + const char *name; + ofnode node; + + dev_for_each_subnode(node, dev) { + name = ofnode_get_property(node, "compatible", NULL); + + if (!board_stm32mp1_ddr_config_name_match(dev, name)) + return node; + } + + return dev_ofnode(dev); +} + static __maybe_unused int stm32mp1_ddr_setup(struct udevice *dev) { struct ddr_info *priv = dev_get_priv(dev); @@ -64,6 +85,7 @@ static __maybe_unused int stm32mp1_ddr_setup(struct udevice *dev) unsigned int idx; struct clk axidcg; struct stm32mp1_ddr_config config; + ofnode node = stm32mp1_ddr_get_ofnode(dev); #define PARAM(x, y, z) \ { .name = x, \ @@ -91,9 +113,9 @@ static __maybe_unused int stm32mp1_ddr_setup(struct udevice *dev) PHY_PARAM_OPT(cal) }; - config.info.speed = dev_read_u32_default(dev, "st,mem-speed", 0); - config.info.size = dev_read_u32_default(dev, "st,mem-size", 0); - config.info.name = dev_read_string(dev, "st,mem-name"); + config.info.speed = ofnode_read_u32_default(node, "st,mem-speed", 0); + config.info.size = ofnode_read_u32_default(node, "st,mem-size", 0); + config.info.name = ofnode_read_string(node, "st,mem-name"); if (!config.info.name) { debug("%s: no st,mem-name\n", __func__); return -EINVAL; @@ -101,7 +123,7 @@ static __maybe_unused int stm32mp1_ddr_setup(struct udevice *dev) printf("RAM: %s\n", config.info.name); for (idx = 0; idx < ARRAY_SIZE(param); idx++) { - ret = dev_read_u32_array(dev, param[idx].name, + ret = ofnode_read_u32_array(node, param[idx].name, (void *)((u32)&config + param[idx].offset), param[idx].size); @@ -182,7 +204,8 @@ static int stm32mp1_ddr_probe(struct udevice *dev) priv->info.size = 0; return stm32mp1_ddr_setup(dev); #else - priv->info.size = dev_read_u32_default(dev, "st,mem-size", 0); + ofnode node = stm32mp1_ddr_get_ofnode(dev); + priv->info.size = ofnode_read_u32_default(node, "st,mem-size", 0); return 0; #endif } |