board: ti: am571x: Add 666MHz support for AM571x IDK
AM571x supports DDR running at 666MHz. Right now it is
clocked at 532MHz which is lower than what is supported.
In order to have maximum performance on AM571-IDK,
switch DDR to 666MHz.
Signed-off-by: Steve Kipisz <s-kipisz2@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c
index 7e7056c..3d15cb1 100644
--- a/board/ti/am57xx/board.c
+++ b/board/ti/am57xx/board.c
@@ -223,11 +223,39 @@
0x0
};
+static const struct emif_regs am571x_emif1_ddr3_666mhz_emif_regs = {
+ .sdram_config_init = 0x61863332,
+ .sdram_config = 0x61863332,
+ .sdram_config2 = 0x08000000,
+ .ref_ctrl = 0x0000514d,
+ .ref_ctrl_final = 0x0000144a,
+ .sdram_tim1 = 0xd333887c,
+ .sdram_tim2 = 0x40b37fe3,
+ .sdram_tim3 = 0x409f8ada,
+ .read_idle_ctrl = 0x00050000,
+ .zq_config = 0x5007190b,
+ .temp_alert_config = 0x00000000,
+ .emif_ddr_phy_ctlr_1_init = 0x0024400f,
+ .emif_ddr_phy_ctlr_1 = 0x0e24400f,
+ .emif_ddr_ext_phy_ctrl_1 = 0x10040100,
+ .emif_ddr_ext_phy_ctrl_2 = 0x00910091,
+ .emif_ddr_ext_phy_ctrl_3 = 0x00950095,
+ .emif_ddr_ext_phy_ctrl_4 = 0x009b009b,
+ .emif_ddr_ext_phy_ctrl_5 = 0x009e009e,
+ .emif_rd_wr_lvl_rmp_win = 0x00000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x80000000,
+ .emif_rd_wr_lvl_ctl = 0x00000000,
+ .emif_rd_wr_exec_thresh = 0x00000305
+};
+
void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
{
switch (emif_nr) {
case 1:
- *regs = &beagle_x15_emif1_ddr3_532mhz_emif_regs;
+ if (board_is_am571x_idk())
+ *regs = &am571x_emif1_ddr3_666mhz_emif_regs;
+ else
+ *regs = &beagle_x15_emif1_ddr3_532mhz_emif_regs;
break;
case 2:
*regs = &beagle_x15_emif2_ddr3_532mhz_emif_regs;
@@ -513,7 +541,10 @@
void hw_data_init(void)
{
*prcm = &dra7xx_prcm;
- *dplls_data = &dra7xx_dplls;
+ if (is_dra72x())
+ *dplls_data = &dra72x_dplls;
+ else
+ *dplls_data = &dra7xx_dplls;
*ctrl = &dra7xx_ctrl;
}