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board: ti: am571x: Add 666MHz support for AM571x IDK

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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>
This commit is contained in:
Steve Kipisz 2017-08-22 13:52:58 +05:30 committed by Tom Rini
parent fede942980
commit 209742fa88
2 changed files with 34 additions and 2 deletions
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1
arch/arm/include/asm/omap_common.h
View file

@ -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;

35
board/ti/am57xx/board.c
View file

@ -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;
}