am33xx: support board specific ddr settings

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / am33xx / emif4.c

diff --git a/arch/arm/cpu/armv7/am33xx/emif4.c b/arch/arm/cpu/armv7/am33xx/emif4.c
index b2d7c0d95621495f3ad3c6c8beb3281217681f3d..01e3a5204ea96f7a91d2ab9da6d64ee31a311d94 100644 (file)
--- a/arch/arm/cpu/armv7/am33xx/emif4.c
+++ b/arch/arm/cpu/armv7/am33xx/emif4.c
@@ -47,78 +47,6 @@ void dram_init_banksize(void)
 static struct vtp_reg *vtpreg = (struct vtp_reg *)VTP0_CTRL_ADDR;
 static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR;
 
-static const struct ddr_data ddr2_data = {
-       .datardsratio0 = ((DDR2_RD_DQS<<30)|(DDR2_RD_DQS<<20)
-                               |(DDR2_RD_DQS<<10)|(DDR2_RD_DQS<<0)),
-       .datawdsratio0 = ((DDR2_WR_DQS<<30)|(DDR2_WR_DQS<<20)
-                               |(DDR2_WR_DQS<<10)|(DDR2_WR_DQS<<0)),
-       .datawiratio0 = ((DDR2_PHY_WRLVL<<30)|(DDR2_PHY_WRLVL<<20)
-                               |(DDR2_PHY_WRLVL<<10)|(DDR2_PHY_WRLVL<<0)),
-       .datagiratio0 = ((DDR2_PHY_GATELVL<<30)|(DDR2_PHY_GATELVL<<20)
-                               |(DDR2_PHY_GATELVL<<10)|(DDR2_PHY_GATELVL<<0)),
-       .datafwsratio0 = ((DDR2_PHY_FIFO_WE<<30)|(DDR2_PHY_FIFO_WE<<20)
-                               |(DDR2_PHY_FIFO_WE<<10)|(DDR2_PHY_FIFO_WE<<0)),
-       .datawrsratio0 = ((DDR2_PHY_WR_DATA<<30)|(DDR2_PHY_WR_DATA<<20)
-                               |(DDR2_PHY_WR_DATA<<10)|(DDR2_PHY_WR_DATA<<0)),
-       .datauserank0delay = DDR2_PHY_RANK0_DELAY,
-       .datadldiff0 = PHY_DLL_LOCK_DIFF,
-};
-
-static const struct cmd_control ddr2_cmd_ctrl_data = {
-       .cmd0csratio = DDR2_RATIO,
-       .cmd0dldiff = DDR2_DLL_LOCK_DIFF,
-       .cmd0iclkout = DDR2_INVERT_CLKOUT,
-
-       .cmd1csratio = DDR2_RATIO,
-       .cmd1dldiff = DDR2_DLL_LOCK_DIFF,
-       .cmd1iclkout = DDR2_INVERT_CLKOUT,
-
-       .cmd2csratio = DDR2_RATIO,
-       .cmd2dldiff = DDR2_DLL_LOCK_DIFF,
-       .cmd2iclkout = DDR2_INVERT_CLKOUT,
-};
-
-static const struct emif_regs ddr2_emif_reg_data = {
-       .sdram_config = DDR2_EMIF_SDCFG,
-       .ref_ctrl = DDR2_EMIF_SDREF,
-       .sdram_tim1 = DDR2_EMIF_TIM1,
-       .sdram_tim2 = DDR2_EMIF_TIM2,
-       .sdram_tim3 = DDR2_EMIF_TIM3,
-       .emif_ddr_phy_ctlr_1 = DDR2_EMIF_READ_LATENCY,
-};
-
-static const struct ddr_data ddr3_data = {
-       .datardsratio0 = DDR3_RD_DQS,
-       .datawdsratio0 = DDR3_WR_DQS,
-       .datafwsratio0 = DDR3_PHY_FIFO_WE,
-       .datawrsratio0 = DDR3_PHY_WR_DATA,
-       .datadldiff0 = PHY_DLL_LOCK_DIFF,
-};
-
-static const struct cmd_control ddr3_cmd_ctrl_data = {
-       .cmd0csratio = DDR3_RATIO,
-       .cmd0dldiff = DDR3_DLL_LOCK_DIFF,
-       .cmd0iclkout = DDR3_INVERT_CLKOUT,
-
-       .cmd1csratio = DDR3_RATIO,
-       .cmd1dldiff = DDR3_DLL_LOCK_DIFF,
-       .cmd1iclkout = DDR3_INVERT_CLKOUT,
-
-       .cmd2csratio = DDR3_RATIO,
-       .cmd2dldiff = DDR3_DLL_LOCK_DIFF,
-       .cmd2iclkout = DDR3_INVERT_CLKOUT,
-};
-
-static struct emif_regs ddr3_emif_reg_data = {
-       .sdram_config = DDR3_EMIF_SDCFG,
-       .ref_ctrl = DDR3_EMIF_SDREF,
-       .sdram_tim1 = DDR3_EMIF_TIM1,
-       .sdram_tim2 = DDR3_EMIF_TIM2,
-       .sdram_tim3 = DDR3_EMIF_TIM3,
-       .zq_config = DDR3_ZQ_CFG,
-       .emif_ddr_phy_ctlr_1 = DDR3_EMIF_READ_LATENCY,
-};
-
 static void config_vtp(void)
 {
        writel(readl(&vtpreg->vtp0ctrlreg) | VTP_CTRL_ENABLE,
@@ -134,46 +62,26 @@ static void config_vtp(void)
                ;
 }
 
-void config_ddr(short ddr_type)
+void config_ddr(unsigned int pll, unsigned int ioctrl,
+               const struct ddr_data *data, const struct cmd_control *ctrl,
+               const struct emif_regs *regs)
 {
-       int ddr_pll, ioctrl_val;
-       const struct emif_regs *emif_regs;
-       const struct ddr_data *ddr_data;
-       const struct cmd_control *cmd_ctrl_data;
-
-       if (ddr_type == EMIF_REG_SDRAM_TYPE_DDR2) {
-               ddr_pll = 266;
-               cmd_ctrl_data = &ddr2_cmd_ctrl_data;
-               ddr_data = &ddr2_data;
-               ioctrl_val = DDR2_IOCTRL_VALUE;
-               emif_regs = &ddr2_emif_reg_data;
-       } else if (ddr_type == EMIF_REG_SDRAM_TYPE_DDR3) {
-               ddr_pll = 303;
-               cmd_ctrl_data = &ddr3_cmd_ctrl_data;
-               ddr_data = &ddr3_data;
-               ioctrl_val = DDR3_IOCTRL_VALUE;
-               emif_regs = &ddr3_emif_reg_data;
-       } else {
-               puts("Unknown memory type");
-               hang();
-       }
-
        enable_emif_clocks();
-       ddr_pll_config(ddr_pll);
+       ddr_pll_config(pll);
        config_vtp();
-       config_cmd_ctrl(cmd_ctrl_data);
+       config_cmd_ctrl(ctrl);
 
-       config_ddr_data(0, ddr_data);
-       config_ddr_data(1, ddr_data);
+       config_ddr_data(0, data);
+       config_ddr_data(1, data);
 
-       config_io_ctrl(ioctrl_val);
+       config_io_ctrl(ioctrl);
 
        /* Set CKE to be controlled by EMIF/DDR PHY */
        writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl);
 
        /* Program EMIF instance */
-       config_ddr_phy(emif_regs);
-       set_sdram_timings(emif_regs);
-       config_sdram(emif_regs);
+       config_ddr_phy(regs);
+       set_sdram_timings(regs);
+       config_sdram(regs);
 }
 #endif