X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fohci-at91.c;h=820e2e56ef426678177412bd1b798741c599e68a;hb=3ad207a2bf1399a689233a97978e306f71729f77;hp=c35319c1cbe8d60e5ec0fd1c5035f9950fa227bb;hpb=4277f4de065b4daea4dc27420fc1bc131701291d;p=u-boot

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index c35319c1cb..820e2e56ef 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -2,51 +2,52 @@
  * (C) Copyright 2006
  * DENX Software Engineering <mk@denx.de>
  *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
 
 #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
 
+#include <asm/io.h>
 #include <asm/arch/hardware.h>
-#include <asm/arch/io.h>
 #include <asm/arch/at91_pmc.h>
 #include <asm/arch/clk.h>
 
 int usb_cpu_init(void)
 {
+	at91_pmc_t *pmc	= (at91_pmc_t *)ATMEL_BASE_PMC;
 
-#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
-    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
+#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
 	/* Enable PLLB */
-	at91_sys_write(AT91_CKGR_PLLBR, get_pllb_init());
-	while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
+	writel(get_pllb_init(), &pmc->pllbr);
+	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
+		;
+#ifdef CONFIG_AT91SAM9N12
+	writel(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2, &pmc->usb);
+#endif
+#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
+	/* Enable UPLL */
+	writel(readl(&pmc->uckr) | AT91_PMC_UPLLEN | AT91_PMC_BIASEN,
+		&pmc->uckr);
+	while ((readl(&pmc->sr) & AT91_PMC_LOCKU) != AT91_PMC_LOCKU)
 		;
+
+	/* Select PLLA as input clock of OHCI */
+	writel(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10, &pmc->usb);
 #endif
 
 	/* Enable USB host clock. */
-	at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_UHP);
-#ifdef CONFIG_AT91SAM9261
-	at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP | AT91_PMC_HCK0);
+#ifdef CPU_HAS_PCR
+	at91_periph_clk_enable(ATMEL_ID_UHP);
 #else
-	at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP);
+	writel(1 << ATMEL_ID_UHP, &pmc->pcer);
+#endif
+
+#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
+	writel(ATMEL_PMC_UHP | AT91_PMC_HCK0, &pmc->scer);
+#else
+	writel(ATMEL_PMC_UHP, &pmc->scer);
 #endif
 
 	return 0;
@@ -54,19 +55,33 @@ int usb_cpu_init(void)
 
 int usb_cpu_stop(void)
 {
+	at91_pmc_t *pmc	= (at91_pmc_t *)ATMEL_BASE_PMC;
+
 	/* Disable USB host clock. */
-	at91_sys_write(AT91_PMC_PCDR, 1 << AT91_ID_UHP);
-#ifdef CONFIG_AT91SAM9261
-	at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP | AT91_PMC_HCK0);
+#ifdef CPU_HAS_PCR
+	at91_periph_clk_disable(ATMEL_ID_UHP);
 #else
-	at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP);
+	writel(1 << ATMEL_ID_UHP, &pmc->pcdr);
 #endif
 
-#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \
-    defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20)
+#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10)
+	writel(ATMEL_PMC_UHP | AT91_PMC_HCK0, &pmc->scdr);
+#else
+	writel(ATMEL_PMC_UHP, &pmc->scdr);
+#endif
+
+#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB
+#ifdef CONFIG_AT91SAM9N12
+	writel(0, &pmc->usb);
+#endif
 	/* Disable PLLB */
-	at91_sys_write(AT91_CKGR_PLLBR, 0);
-	while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != 0)
+	writel(0, &pmc->pllbr);
+	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != 0)
+		;
+#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL)
+	/* Disable UPLL */
+	writel(readl(&pmc->uckr) & (~AT91_PMC_UPLLEN), &pmc->uckr);
+	while ((readl(&pmc->sr) & AT91_PMC_LOCKU) == AT91_PMC_LOCKU)
 		;
 #endif