sunxi: add sun7i cpu, board and start of day support

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / omap3 / sdrc.c

diff --git a/arch/arm/cpu/armv7/omap3/sdrc.c b/arch/arm/cpu/armv7/omap3/sdrc.c
index a27b4b124e7c4c1726d28c3eca3e051921e9e9da..7a291318ab0722e67b6a4c1624c9de260a9e5855 100644 (file)
--- a/arch/arm/cpu/armv7/omap3/sdrc.c
+++ b/arch/arm/cpu/armv7/omap3/sdrc.c
@@ -19,20 +19,7 @@
  *      Shashi Ranjan <shashiranjanmca05@gmail.com>
  *      Manikandan Pillai <mani.pillai@ti.com>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -102,7 +89,7 @@ u32 get_sdr_cs_offset(u32 cs)
                return 0;
 
        offset = readl(&sdrc_base->cs_cfg);
-       offset = (offset & 15) << 27 | (offset & 0x30) << 17;
+       offset = (offset & 15) << 27 | (offset & 0x300) << 17;
 
        return offset;
 }
@@ -113,18 +100,18 @@ u32 get_sdr_cs_offset(u32 cs)
  *  - Test CS to make sure it's OK for use
  */
 static void write_sdrc_timings(u32 cs, struct sdrc_actim *sdrc_actim_base,
-               u32 mcfg, u32 ctrla, u32 ctrlb, u32 rfr_ctrl, u32 mr)
+                       struct board_sdrc_timings *timings)
 {
        /* Setup timings we got from the board. */
-       writel(mcfg, &sdrc_base->cs[cs].mcfg);
-       writel(ctrla, &sdrc_actim_base->ctrla);
-       writel(ctrlb, &sdrc_actim_base->ctrlb);
-       writel(rfr_ctrl, &sdrc_base->cs[cs].rfr_ctrl);
+       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(mr, &sdrc_base->cs[cs].mr);
+       writel(timings->mr, &sdrc_base->cs[cs].mr);
 
        /*
         * Test ram in this bank
@@ -143,7 +130,7 @@ static void write_sdrc_timings(u32 cs, struct sdrc_actim *sdrc_actim_base,
 void do_sdrc_init(u32 cs, u32 early)
 {
        struct sdrc_actim *sdrc_actim_base0, *sdrc_actim_base1;
-       u32 mcfg, ctrla, ctrlb, rfr_ctrl, mr;
+       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;
@@ -158,7 +145,7 @@ void do_sdrc_init(u32 cs, u32 early)
         * setup CS1.
         */
 #ifdef CONFIG_SPL_BUILD
-       get_board_mem_timings(&mcfg, &ctrla, &ctrlb, &rfr_ctrl, &mr);
+       get_board_mem_timings(&timings);
 #endif
        if (early) {
                /* reset sdrc controller */
@@ -177,11 +164,9 @@ void do_sdrc_init(u32 cs, u32 early)
                writel(ENADLL | DLLPHASE_90, &sdrc_base->dlla_ctrl);
                sdelay(0x20000);
 #ifdef CONFIG_SPL_BUILD
-               write_sdrc_timings(CS0, sdrc_actim_base0, mcfg, ctrla, ctrlb,
-                               rfr_ctrl, mr);
+               write_sdrc_timings(CS0, sdrc_actim_base0, &timings);
                make_cs1_contiguous();
-               write_sdrc_timings(CS0, sdrc_actim_base1, mcfg, ctrla, ctrlb,
-                               rfr_ctrl, mr);
+               write_sdrc_timings(CS1, sdrc_actim_base1, &timings);
 #endif
 
        }
@@ -193,14 +178,12 @@ void do_sdrc_init(u32 cs, u32 early)
         * so we may be asked now to setup CS1.
         */
        if (cs == CS1) {
-               mcfg = readl(&sdrc_base->cs[CS0].mcfg),
-               rfr_ctrl = readl(&sdrc_base->cs[CS0].rfr_ctrl);
-               ctrla = readl(&sdrc_actim_base0->ctrla),
-               ctrlb = readl(&sdrc_actim_base0->ctrlb);
-               mr = readl(&sdrc_base->cs[CS0].mr);
-               write_sdrc_timings(cs, sdrc_actim_base1, mcfg, ctrla, ctrlb,
-                               rfr_ctrl, mr);
-
+               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);
        }
 }