* (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;
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