ARM: AM33xx: Cleanup dplls data

Locking sequence for all the dplls is same.
In the current code same sequence is done repeatedly
for each dpll. Instead have a generic function
for locking dplls and pass dpll data to that function.

This is derived from OMAP4 boards.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Tested-by: Heiko Schocher <hs@denx.de>
Acked-by: Heiko Schocher <hs@denx.de>

3 files changed, 46 insertions, 0 deletions

diff --git a/board/isee/igep0033/board.c b/board/isee/igep0033/board.c
index c0f0c0db43..034a8aa7ce 100644
--- a/board/isee/igep0033/board.c
+++ b/board/isee/igep0033/board.c
@@ -66,6 +66,16 @@ static struct emif_regs ddr3_emif_reg_data = {
 	.zq_config = K4B2G1646EBIH9_ZQ_CFG,
 	.emif_ddr_phy_ctlr_1 = K4B2G1646EBIH9_EMIF_READ_LATENCY,
 };
+
+#define OSC    (V_OSCK/1000000)
+const struct dpll_params dpll_ddr = {
+		303, OSC-1, 1, -1, -1, -1, -1};
+
+const struct dpll_params *get_dpll_ddr_params(void)
+{
+	return &dpll_ddr;
+}
+
 #endif
 
 /*
diff --git a/board/phytec/pcm051/board.c b/board/phytec/pcm051/board.c
index 6291d03bac..17a98ff860 100644
--- a/board/phytec/pcm051/board.c
+++ b/board/phytec/pcm051/board.c
@@ -44,6 +44,15 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
 /* DDR RAM defines */
 #define DDR_CLK_MHZ		303 /* DDR_DPLL_MULT value */
 
+#define OSC	(V_OSCK/1000000)
+const struct dpll_params dpll_ddr = {
+		DDR_CLK_MHZ, OSC-1, 1, -1, -1, -1, -1};
+
+const struct dpll_params *get_dpll_ddr_params(void)
+{
+	return &dpll_ddr;
+}
+
 static const struct ddr_data ddr3_data = {
 	.datardsratio0 = MT41J256M8HX15E_RD_DQS,
 	.datawdsratio0 = MT41J256M8HX15E_WR_DQS,
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 728afc2ba3..2be229746b 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -242,6 +242,33 @@ int spl_start_uboot(void)
 }
 #endif
 
+#define OSC	(V_OSCK/1000000)
+const struct dpll_params dpll_ddr = {
+		266, OSC-1, 1, -1, -1, -1, -1};
+const struct dpll_params dpll_ddr_evm_sk = {
+		303, OSC-1, 1, -1, -1, -1, -1};
+const struct dpll_params dpll_ddr_bone_black = {
+		400, OSC-1, 1, -1, -1, -1, -1};
+
+const struct dpll_params *get_dpll_ddr_params(void)
+{
+	struct am335x_baseboard_id header;
+
+	enable_i2c0_pin_mux();
+	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	if (read_eeprom(&header) < 0)
+		puts("Could not get board ID.\n");
+
+	if (board_is_evm_sk(&header))
+		return &dpll_ddr_evm_sk;
+	else if (board_is_bone_lt(&header))
+		return &dpll_ddr_bone_black;
+	else if (board_is_evm_15_or_later(&header))
+		return &dpll_ddr_evm_sk;
+	else
+		return &dpll_ddr;
+}
+
 #endif
 
 /*