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[U-Boot,v3,03/18] stm32f7: dm: add driver model support for sdram

Message ID 1491845183-10624-4-git-send-email-vikas.manocha@st.com
State Superseded
Delegated to: Tom Rini
Headers show

Commit Message

Vikas MANOCHA April 10, 2017, 5:26 p.m. UTC 
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
cc: Christophe KERELLO <christophe.kerello@st.com>
---
Changed in v3: None
Changed in v2: None

 drivers/ram/stm32_sdram.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
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Patch

diff --git a/drivers/ram/stm32_sdram.c b/drivers/ram/stm32_sdram.c
index 13f8964..67be61f 100644
--- a/drivers/ram/stm32_sdram.c
+++ b/drivers/ram/stm32_sdram.c
@@ -6,6 +6,8 @@ 
  */
 
 #include <common.h>
+#include <dm.h>
+#include <ram.h>
 #include <asm/io.h>
 #include <asm/arch/fmc.h>
 #include <asm/arch/stm32.h>
@@ -117,3 +119,32 @@  int stm32_sdram_init(void)
 
 	return 0;
 }
+
+static int stm32_fmc_probe(struct udevice *dev)
+{
+	stm32_sdram_init();
+	return 0;
+}
+
+static int stm32_fmc_get_info(struct udevice *dev, struct ram_info *info)
+{
+	info->size = CONFIG_SYS_RAM_SIZE;
+	return 0;
+}
+
+static struct ram_ops stm32_fmc_ops = {
+	.get_info = stm32_fmc_get_info,
+};
+
+static const struct udevice_id stm32_fmc_ids[] = {
+	{ .compatible = "st,stm32-fmc" },
+	{ }
+};
+
+U_BOOT_DRIVER(stm32_fmc) = {
+	.name = "stm32_fmc",
+	.id = UCLASS_RAM,
+	.of_match = stm32_fmc_ids,
+	.ops = &stm32_fmc_ops,
+	.probe = stm32_fmc_probe,
+};