Merge tag 'u-boot-atmel-fixes-2020.07-a' of https://gitlab.denx.de/u-boot/custodians...
[oweals/u-boot.git] / arch / arm / mach-uniphier / clk / clk-ld11.c
index 92a07338a81ec54f5d6165a872d46d4f0236057a..d241a65382f67a486c7d4602e771cc81ababbe84 100644 (file)
@@ -1,28 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2016 Socionext Inc.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
-#include <common.h>
+#include <spl.h>
 #include <linux/bitops.h>
+#include <linux/delay.h>
 #include <linux/io.h>
 
 #include "../init.h"
+#include "../sc64-regs.h"
 #include "../sg-regs.h"
 
+#define SDCTRL_EMMC_HW_RESET   0x59810280
+
 void uniphier_ld11_clk_init(void)
 {
-       if (readl(SG_PINMON0) & BIT(27)) {
-               /* if booted without stand-by MPU */
-
-               writel(1, SG_ETPHYPSHUT);
-               writel(1, SG_ETPHYCNT);
+       /* if booted from a device other than USB, without stand-by MPU */
+       if ((readl(sg_base + SG_PINMON0) & BIT(27)) &&
+           uniphier_boot_device_raw() != BOOT_DEVICE_USB) {
+               writel(1, sg_base + SG_ETPHYPSHUT);
+               writel(1, sg_base + SG_ETPHYCNT);
 
                udelay(1); /* wait for regulator level 1.1V -> 2.5V */
 
-               writel(3, SG_ETPHYCNT);
-               writel(3, SG_ETPHYPSHUT);
-               writel(7, SG_ETPHYCNT);
+               writel(3, sg_base + SG_ETPHYCNT);
+               writel(3, sg_base + SG_ETPHYPSHUT);
+               writel(7, sg_base + SG_ETPHYCNT);
+       }
+
+       /* TODO: use "mmc-pwrseq-emmc" */
+       writel(1, SDCTRL_EMMC_HW_RESET);
+
+#ifdef CONFIG_USB_EHCI_HCD
+       {
+               int ch;
+
+               for (ch = 0; ch < 3; ch++) {
+                       void __iomem *phyctrl = sg_base + SG_USBPHYCTRL;
+
+                       writel(0x82280600, phyctrl + 8 * ch);
+                       writel(0x00000106, phyctrl + 8 * ch + 4);
+               }
        }
+#endif
 }