X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fusb%2Fhost%2Fohci-at91.c;h=820e2e56ef426678177412bd1b798741c599e68a;hb=3ad207a2bf1399a689233a97978e306f71729f77;hp=b2e03bc58bcf87892198213637c579aa49e2056c;hpb=fd4e49c18901a50b1648235f26da1e8caa0f8764;p=u-boot diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index b2e03bc58b..820e2e56ef 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -2,53 +2,52 @@ * (C) Copyright 2006 * DENX Software Engineering * - * 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 #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) +#include #include -#include #include #include int usb_cpu_init(void) { - at91_pmc_t *pmc = (at91_pmc_t *)AT91_PMC_BASE; + at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC; -#if defined(CONFIG_AT91CAP9) || defined(CONFIG_AT91SAM9260) || \ - defined(CONFIG_AT91SAM9263) || defined(CONFIG_AT91SAM9G20) || \ - defined(CONFIG_AT91SAM9261) +#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB /* Enable PLLB */ 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. */ - writel(1 << AT91_ID_UHP, &pmc->pcer); -#ifdef CONFIG_AT91SAM9261 - writel(AT91_PMC_UHP | AT91_PMC_HCK0, &pmc->scer); +#ifdef CPU_HAS_PCR + at91_periph_clk_enable(ATMEL_ID_UHP); +#else + 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(AT91_PMC_UHP, &pmc->scer); + writel(ATMEL_PMC_UHP, &pmc->scer); #endif return 0; @@ -56,22 +55,34 @@ int usb_cpu_init(void) int usb_cpu_stop(void) { - at91_pmc_t *pmc = (at91_pmc_t *)AT91_PMC_BASE; + at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC; /* Disable USB host clock. */ - writel(1 << AT91_ID_UHP, &pmc->pcdr); -#ifdef CONFIG_AT91SAM9261 - writel(AT91_PMC_UHP | AT91_PMC_HCK0, &pmc->scdr); +#ifdef CPU_HAS_PCR + at91_periph_clk_disable(ATMEL_ID_UHP); #else - writel(AT91_PMC_UHP, &pmc->scdr); + 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 */ 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 return 0;