am33xx: Enable DDR3 for DDR3 version of beaglebone
DDR3 support is tested and working with beaglebone hardware. Include a check
for this board type and configure DDR3. The timings and other configuration
match EVM SK.
Signed-off-by: Joel A Fernandes <joelagnel@ti.com>
Acked-by: Jason Kridner <jdk@ti.com>
diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c
index 978b184..6de03fd 100644
--- a/arch/arm/cpu/armv7/am33xx/board.c
+++ b/arch/arm/cpu/armv7/am33xx/board.c
@@ -64,6 +64,11 @@
return !strncmp(header.name, "A335BONE", HDR_NAME_LEN);
}
+static inline int board_is_bone_lt(void)
+{
+ return !strncmp(header.name, "A335BNLT", HDR_NAME_LEN);
+}
+
static inline int board_is_evm_sk(void)
{
return !strncmp("A335X_SK", header.name, HDR_NAME_LEN);
@@ -124,7 +129,7 @@
static short inline board_memory_type(void)
{
/* The following boards are known to use DDR3. */
- if (board_is_evm_sk())
+ if (board_is_evm_sk() || board_is_bone_lt())
return EMIF_REG_SDRAM_TYPE_DDR3;
return EMIF_REG_SDRAM_TYPE_DDR2;
@@ -285,7 +290,7 @@
return -1;
}
- if (board_is_bone()) {
+ if (board_is_bone() || board_is_bone_lt()) {
writel(MII_MODE_ENABLE, &cdev->miisel);
cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
PHY_INTERFACE_MODE_MII;