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am33xx: Enable DDR3 for DDR3 version of beaglebone

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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>
This commit is contained in:
Joel A Fernandes 2012-09-25 06:49:47 +00:00 committed by Tom Rini
parent 3f0be8ea92
commit 391a741162
1 changed files with 7 additions and 2 deletions
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9
arch/arm/cpu/armv7/am33xx/board.c
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@ -64,6 +64,11 @@ static inline int board_is_bone(void)
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 int read_eeprom(void)
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 @@ int board_eth_init(bd_t *bis)
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;