1 files changed, 0 insertions, 241 deletions
diff --git a/arch/arm/cpu/armv7/omap3/sdrc.c b/arch/arm/cpu/armv7/omap3/sdrc.c
deleted file mode 100644
index 4f15ac9..0000000
--- a/arch/arm/cpu/armv7/omap3/sdrc.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * Functions related to OMAP3 SDRC.
- *
- * This file has been created after exctracting and consolidating
- * the SDRC related content from mem.c and board.c, also created
- * generic init function (mem_init).
- *
- * Copyright (C) 2004-2010
- * Texas Instruments Incorporated - http://www.ti.com/
- *
- * Copyright (C) 2011
- * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
- *
- * Author :
- *     Vaibhav Hiremath <hvaibhav@ti.com>
- *
- * Original implementation by (mem.c, board.c) :
- *      Sunil Kumar <sunilsaini05@gmail.com>
- *      Shashi Ranjan <shashiranjanmca05@gmail.com>
- *      Manikandan Pillai <mani.pillai@ti.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/sys_proto.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-extern omap3_sysinfo sysinfo;
-
-static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE;
-
-/*
- * is_mem_sdr -
- *  - Return 1 if mem type in use is SDR
- */
-u32 is_mem_sdr(void)
-{
-	if (readl(&sdrc_base->cs[CS0].mr) == SDRC_MR_0_SDR)
-		return 1;
-	return 0;
-}
-
-/*
- * make_cs1_contiguous -
- * - When we have CS1 populated we want to have it mapped after cs0 to allow
- *   command line mem=xyz use all memory with out discontinuous support
- *   compiled in.  We could do it in the ATAG, but there really is two banks...
- */
-void make_cs1_contiguous(void)
-{
-	u32 size, a_add_low, a_add_high;
-
-	size = get_sdr_cs_size(CS0);
-	size >>= 25;	/* divide by 32 MiB to find size to offset CS1 */
-	a_add_high = (size & 3) << 8;	/* set up low field */
-	a_add_low = (size & 0x3C) >> 2;	/* set up high field */
-	writel((a_add_high | a_add_low), &sdrc_base->cs_cfg);
-
-}
-
-
-/*
- * get_sdr_cs_size -
- *  - Get size of chip select 0/1
- */
-u32 get_sdr_cs_size(u32 cs)
-{
-	u32 size;
-
-	/* get ram size field */
-	size = readl(&sdrc_base->cs[cs].mcfg) >> 8;
-	size &= 0x3FF;		/* remove unwanted bits */
-	size <<= 21;		/* multiply by 2 MiB to find size in MB */
-	return size;
-}
-
-/*
- * get_sdr_cs_offset -
- *  - Get offset of cs from cs0 start
- */
-u32 get_sdr_cs_offset(u32 cs)
-{
-	u32 offset;
-
-	if (!cs)
-		return 0;
-
-	offset = readl(&sdrc_base->cs_cfg);
-	offset = (offset & 15) << 27 | (offset & 0x300) << 17;
-
-	return offset;
-}
-
-/*
- * write_sdrc_timings -
- *  - Takes CS and associated timings and initalize SDRAM
- *  - Test CS to make sure it's OK for use
- */
-static void write_sdrc_timings(u32 cs, struct sdrc_actim *sdrc_actim_base,
-			struct board_sdrc_timings *timings)
-{
-	/* Setup timings we got from the board. */
-	writel(timings->mcfg, &sdrc_base->cs[cs].mcfg);
-	writel(timings->ctrla, &sdrc_actim_base->ctrla);
-	writel(timings->ctrlb, &sdrc_actim_base->ctrlb);
-	writel(timings->rfr_ctrl, &sdrc_base->cs[cs].rfr_ctrl);
-	writel(CMD_NOP, &sdrc_base->cs[cs].manual);
-	writel(CMD_PRECHARGE, &sdrc_base->cs[cs].manual);
-	writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
-	writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
-	writel(timings->mr, &sdrc_base->cs[cs].mr);
-
-	/*
-	 * Test ram in this bank
-	 * Disable if bad or not present
-	 */
-	if (!mem_ok(cs))
-		writel(0, &sdrc_base->cs[cs].mcfg);
-}
-
-/*
- * do_sdrc_init -
- *  - Code called once in C-Stack only context for CS0 and with early being
- *    true and a possible 2nd time depending on memory configuration from
- *    stack+global context.
- */
-void do_sdrc_init(u32 cs, u32 early)
-{
-	struct sdrc_actim *sdrc_actim_base0, *sdrc_actim_base1;
-	struct board_sdrc_timings timings;
-
-	sdrc_actim_base0 = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
-	sdrc_actim_base1 = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
-
-	/* set some default timings */
-	timings.sharing = SDRC_SHARING;
-
-	/*
-	 * When called in the early context this may be SPL and we will
-	 * need to set all of the timings.  This ends up being board
-	 * specific so we call a helper function to take care of this
-	 * for us.  Otherwise, to be safe, we need to copy the settings
-	 * from the first bank to the second.  We will setup CS0,
-	 * then set cs_cfg to the appropriate value then try and
-	 * setup CS1.
-	 */
-#ifdef CONFIG_SPL_BUILD
-	/* set/modify board-specific timings */
-	get_board_mem_timings(&timings);
-#endif
-	if (early) {
-		/* reset sdrc controller */
-		writel(SOFTRESET, &sdrc_base->sysconfig);
-		wait_on_value(RESETDONE, RESETDONE, &sdrc_base->status,
-				12000000);
-		writel(0, &sdrc_base->sysconfig);
-
-		/* setup sdrc to ball mux */
-		writel(timings.sharing, &sdrc_base->sharing);
-
-		/* Disable Power Down of CKE because of 1 CKE on combo part */
-		writel(WAKEUPPROC | SRFRONRESET | PAGEPOLICY_HIGH,
-				&sdrc_base->power);
-
-		writel(ENADLL | DLLPHASE_90, &sdrc_base->dlla_ctrl);
-		sdelay(0x20000);
-#ifdef CONFIG_SPL_BUILD
-		write_sdrc_timings(CS0, sdrc_actim_base0, &timings);
-		make_cs1_contiguous();
-		write_sdrc_timings(CS1, sdrc_actim_base1, &timings);
-#endif
-
-	}
-
-	/*
-	 * If we aren't using SPL we have been loaded by some
-	 * other means which may not have correctly initialized
-	 * both CS0 and CS1 (such as some older versions of x-loader)
-	 * so we may be asked now to setup CS1.
-	 */
-	if (cs == CS1) {
-		timings.mcfg = readl(&sdrc_base->cs[CS0].mcfg),
-		timings.rfr_ctrl = readl(&sdrc_base->cs[CS0].rfr_ctrl);
-		timings.ctrla = readl(&sdrc_actim_base0->ctrla);
-		timings.ctrlb = readl(&sdrc_actim_base0->ctrlb);
-		timings.mr = readl(&sdrc_base->cs[CS0].mr);
-		write_sdrc_timings(cs, sdrc_actim_base1, &timings);
-	}
-}
-
-/*
- * dram_init -
- *  - Sets uboots idea of sdram size
- */
-int dram_init(void)
-{
-	unsigned int size0 = 0, size1 = 0;
-
-	size0 = get_sdr_cs_size(CS0);
-	/*
-	 * We always need to have cs_cfg point at where the second
-	 * bank would be, if present.  Failure to do so can lead to
-	 * strange situations where memory isn't detected and
-	 * configured correctly.  CS0 will already have been setup
-	 * at this point.
-	 */
-	make_cs1_contiguous();
-	do_sdrc_init(CS1, NOT_EARLY);
-	size1 = get_sdr_cs_size(CS1);
-
-	gd->ram_size = size0 + size1;
-
-	return 0;
-}
-
-void dram_init_banksize (void)
-{
-	unsigned int size0 = 0, size1 = 0;
-
-	size0 = get_sdr_cs_size(CS0);
-	size1 = get_sdr_cs_size(CS1);
-
-	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
-	gd->bd->bi_dram[0].size = size0;
-	gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1);
-	gd->bd->bi_dram[1].size = size1;
-}
-
-/*
- * mem_init -
- *  - Init the sdrc chip,
- *  - Selects CS0 and CS1,
- */
-void mem_init(void)
-{
-	/* only init up first bank here */
-	do_sdrc_init(CS0, EARLY_INIT);
-}