1 files changed, 0 insertions, 85 deletions
diff --git a/arch/arm/mach-omap/am35xx_emif4.c b/arch/arm/mach-omap/am35xx_emif4.c
deleted file mode 100644
index 678a338fd6..0000000000
--- a/arch/arm/mach-omap/am35xx_emif4.c
+++ /dev/null
@@ -1,85 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Author :
- *     Vaibhav Hiremath <hvaibhav@ti.com>
- *
- * Based on mem.c and sdrc.c
- *
- * Copyright (C) 2010
- * Texas Instruments Incorporated - http://www.ti.com/
- */
-
-#include <common.h>
-#include <io.h>
-#include <mach/emif4.h>
-#include <mach/omap3-silicon.h>
-
-/*
- * do_pac200_emif4_init -
- *  - Init the emif4 module for DDR access
- *  - Early init routines, called from flash or SRAM.
- */
-void am35xx_emif4_init(void)
-{
-	unsigned int regval;
-	struct emif4 *emif4_base = IOMEM(OMAP3_SDRC_BASE);
-
-	/* Set the DDR PHY parameters in PHY ctrl registers */
-	regval = (EMIF4_DDR1_READ_LAT | EMIF4_DDR1_PWRDN_DIS |
-		EMIF4_DDR1_EXT_STRB_DIS);
-	writel(regval, &emif4_base->ddr_phyctrl1);
-	writel(regval, &emif4_base->ddr_phyctrl1_shdw);
-	writel(0, &emif4_base->ddr_phyctrl2);
-
-	/* Reset the DDR PHY and wait till completed */
-	regval = readl(&emif4_base->sdram_iodft_tlgc);
-	regval |= (1 << 10);
-	writel(regval, &emif4_base->sdram_iodft_tlgc);
-
-	/* Wait till that bit clears*/
-	while (readl(&emif4_base->sdram_iodft_tlgc) & (1 << 10));
-
-	/* Re-verify the DDR PHY status*/
-	while ((readl(&emif4_base->sdram_sts) & (1 << 2)) == 0x0);
-
-	regval |= (1 << 0);
-	writel(regval, &emif4_base->sdram_iodft_tlgc);
-
-	/* Set SDR timing registers */
-	regval = (EMIF4_TIM1_T_WTR | EMIF4_TIM1_T_RRD |
-		EMIF4_TIM1_T_RC | EMIF4_TIM1_T_RAS |
-		EMIF4_TIM1_T_WR | EMIF4_TIM1_T_RCD |
-		EMIF4_TIM1_T_RP);
-	writel(regval, &emif4_base->sdram_time1);
-	writel(regval, &emif4_base->sdram_time1_shdw);
-
-	regval = (EMIF4_TIM2_T_CKE | EMIF4_TIM2_T_RTP |
-		EMIF4_TIM2_T_XSRD | EMIF4_TIM2_T_XSNR |
-		EMIF4_TIM2_T_ODT | EMIF4_TIM2_T_XP);
-	writel(regval, &emif4_base->sdram_time2);
-	writel(regval, &emif4_base->sdram_time2_shdw);
-
-	regval = (EMIF4_TIM3_T_RAS_MAX | EMIF4_TIM3_T_RFC);
-	writel(regval, &emif4_base->sdram_time3);
-	writel(regval, &emif4_base->sdram_time3_shdw);
-
-	/* Set the PWR control register */
-	regval = (EMIF4_PWR_PM_TIM | EMIF4_PWR_LP_MODE |
-		EMIF4_PWR_DPD_DIS | EMIF4_PWR_IDLE_MODE);
-	writel(regval, &emif4_base->sdram_pwr_mgmt);
-	writel(regval, &emif4_base->sdram_pwr_mgmt_shdw);
-
-	/* Set the DDR refresh rate control register */
-	regval = (EMIF4_REFRESH_RATE | EMIF4_INITREF_DIS);
-	writel(regval, &emif4_base->sdram_refresh_ctrl);
-	writel(regval, &emif4_base->sdram_refresh_ctrl_shdw);
-
-	/* set the SDRAM configuration register */
-	regval = (EMIF4_CFG_PGSIZE | EMIF4_CFG_EBANK |
-		EMIF4_CFG_IBANK | EMIF4_CFG_ROWSIZE |
-		EMIF4_CFG_CL | EMIF4_CFG_NARROW_MD |
-		EMIF4_CFG_SDR_DRV | EMIF4_CFG_DDR_DIS_DLL |
-		EMIF4_CFG_DDR2_DDQS | EMIF4_CFG_DDR_TERM |
-		EMIF4_CFG_IBANK_POS | EMIF4_CFG_SDRAM_TYP);
-	writel(regval, &emif4_base->sdram_config);
-}