X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fehci-atmel.c;h=1d7d28048bc1914217cb3e2e7e0709aeccace015;hb=2f1eb66e2881a780e622e7fd50b3a497677fd373;hp=15b9b60eb44c369511abcf7eadfb97dce7627f22;hpb=50cd93b25033764dcda9bb47aa68be778f94d36e;p=oweals%2Fu-boot.git

diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 15b9b60eb4..1d7d28048b 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -3,87 +3,41 @@
  * Atmel Semiconductor <www.atmel.com>
  * Written-by: Bo Shen <voice.shen@atmel.com>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
-#include <watchdog.h>
 #include <usb.h>
 #include <asm/io.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/at91_pmc.h>
 #include <asm/arch/clk.h>
 
 #include "ehci.h"
-#include "ehci-core.h"
 
-/* Enable UTMI PLL time out 500us
- * 10 times as datasheet specified
- */
-#define EN_UPLL_TIMEOUT	500UL
-
-int ehci_hcd_init(void)
+int ehci_hcd_init(int index, enum usb_init_type init,
+		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
-	at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
-	ulong start_time, tmp_time;
-
-	start_time = get_timer(0);
 	/* Enable UTMI PLL */
-	writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr);
-	while ((readl(&pmc->sr) & AT91_PMC_LOCKU) != AT91_PMC_LOCKU) {
-		WATCHDOG_RESET();
-		tmp_time = get_timer(0);
-		if ((tmp_time - start_time) > EN_UPLL_TIMEOUT) {
-			printf("ERROR: failed to enable UPLL\n");
-			return -1;
-		}
-	}
+	if (at91_upll_clk_enable())
+		return -1;
 
 	/* Enable USB Host clock */
-	writel(1 << ATMEL_ID_UHPHS, &pmc->pcer);
+	at91_periph_clk_enable(ATMEL_ID_UHPHS);
 
-	hccr = (struct ehci_hccr *)ATMEL_BASE_EHCI;
-	hcor = (struct ehci_hcor *)((uint32_t)hccr +
-			HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+	*hccr = (struct ehci_hccr *)ATMEL_BASE_EHCI;
+	*hcor = (struct ehci_hcor *)((uint32_t)*hccr +
+			HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
 
 	return 0;
 }
 
-int ehci_hcd_stop(void)
+int ehci_hcd_stop(int index)
 {
-	at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
-	ulong start_time, tmp_time;
-
 	/* Disable USB Host Clock */
-	writel(1 << ATMEL_ID_UHPHS, &pmc->pcdr);
+	at91_periph_clk_disable(ATMEL_ID_UHPHS);
 
-	start_time = get_timer(0);
 	/* Disable UTMI PLL */
-	writel(readl(&pmc->uckr) & ~AT91_PMC_UPLLEN, &pmc->uckr);
-	while ((readl(&pmc->sr) & AT91_PMC_LOCKU) == AT91_PMC_LOCKU) {
-		WATCHDOG_RESET();
-		tmp_time = get_timer(0);
-		if ((tmp_time - start_time) > EN_UPLL_TIMEOUT) {
-			printf("ERROR: failed to stop UPLL\n");
-			return -1;
-		}
-	}
+	if (at91_upll_clk_disable())
+		return -1;
 
 	return 0;
 }