aboutsummaryrefslogtreecommitdiffstats
path: root/roms/u-boot/drivers/usb/host/ohci-at91.c
diff options
context:
space:
mode:
authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/usb/host/ohci-at91.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
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.c69
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) */