From: Steve Kipisz <s-kipi...@ti.com>
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-kipi...@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
---
arch/arm/include/asm/omap_common.h | 1 +
board/ti/am57xx/board.c | 35 +++++++++++++++++++++++++++++++++--
2 files changed, 34 insertions(+), 2 deletions(-)
diff --git a/arch/arm/include/asm/omap_common.h
b/arch/arm/include/asm/omap_common.h
index d7e453e579..8b296c9685 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -596,6 +596,7 @@ extern struct prcm_regs const omap4_prcm;
extern struct prcm_regs const dra7xx_prcm;
extern struct dplls const **dplls_data;
extern struct dplls dra7xx_dplls;
+extern struct dplls dra72x_dplls;
extern struct vcores_data const **omap_vcores;
extern const u32 sys_clk_array[8];
extern struct omap_sys_ctrl_regs const **ctrl;
diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c
index 7e7056cf71..3d15cb1dbf 100644
--- a/board/ti/am57xx/board.c
+++ b/board/ti/am57xx/board.c
@@ -223,11 +223,39 @@ static const u32
beagle_x15_emif2_ddr3_ext_phy_ctrl_const_regs[] = {
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 vcores_init(void)
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;
}
--
2.13.0
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