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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/usb/host/ohci-at91.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/usb/host/ohci-at91.c')
-rw-r--r-- | roms/u-boot/drivers/usb/host/ohci-at91.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/usb/host/ohci-at91.c b/roms/u-boot/drivers/usb/host/ohci-at91.c new file mode 100644 index 000000000..8ceabaf45 --- /dev/null +++ b/roms/u-boot/drivers/usb/host/ohci-at91.c @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2006 + * DENX Software Engineering <mk@denx.de> + */ + +#include <common.h> + +#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) + +#include <asm/arch/clk.h> + +int usb_cpu_init(void) +{ +#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB + if (at91_pllb_clk_enable(get_pllb_init())) + return -1; + +#ifdef CONFIG_AT91SAM9N12 + at91_usb_clk_init(AT91_PMC_USBS_USB_PLLB | AT91_PMC_USB_DIV_2); +#endif +#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL) + if (at91_upll_clk_enable()) + return -1; + + at91_usb_clk_init(AT91_PMC_USBS_USB_UPLL | AT91_PMC_USBDIV_10); +#endif + + at91_periph_clk_enable(ATMEL_ID_UHP); + + at91_system_clk_enable(ATMEL_PMC_UHP); +#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10) + at91_system_clk_enable(AT91_PMC_HCK0); +#endif + + return 0; +} + +int usb_cpu_stop(void) +{ + at91_periph_clk_disable(ATMEL_ID_UHP); + + at91_system_clk_disable(ATMEL_PMC_UHP); +#if defined(CONFIG_AT91SAM9261) || defined(CONFIG_AT91SAM9G10) + at91_system_clk_disable(AT91_PMC_HCK0); +#endif + +#ifdef CONFIG_USB_ATMEL_CLK_SEL_PLLB +#ifdef CONFIG_AT91SAM9N12 + at91_usb_clk_init(0); +#endif + + if (at91_pllb_clk_disable()) + return -1; + +#elif defined(CONFIG_USB_ATMEL_CLK_SEL_UPLL) + if (at91_upll_clk_disable()) + return -1; +#endif + + return 0; +} + +int usb_cpu_init_fail(void) +{ + return usb_cpu_stop(); +} + +#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */ |