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Code Issues Releases Activity

Enable USB1 (which is EHCI0) for Allwinner A10

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Tested by: ganbold@
This commit is contained in:
Oleksandr Tymoshenko 2013-02-15 21:29:03 +00:00
parent e589740522
commit aaa54dd138
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=246851
4 changed files with 15 additions and 1 deletions
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1
sys/arm/allwinner/a10_clk.c
View File

@ -129,6 +129,7 @@ a10_clk_usb_activate(void)
/* Gating AHB clock for USB */
reg_value = ccm_read_4(sc, CCM_AHB_GATING0);
reg_value |= CCM_AHB_GATING_USB0; /* AHB clock gate usb0 */
reg_value |= CCM_AHB_GATING_EHCI0; /* AHB clock gate ehci1 */
reg_value |= CCM_AHB_GATING_EHCI1; /* AHB clock gate ehci1 */
ccm_write_4(sc, CCM_AHB_GATING0, reg_value);

1
sys/arm/allwinner/a10_clk.h
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@ -101,6 +101,7 @@
#define CCM_MALI400_CLK 0x0154
#define CCM_AHB_GATING_USB0 (1 << 0)
#define CCM_AHB_GATING_EHCI0 (1 << 1)
#define CCM_AHB_GATING_EHCI1 (1 << 3)
#define CCM_USB_PHY (1 << 8)

5
sys/arm/allwinner/a10_ehci.c
View File

@ -75,6 +75,7 @@ __FBSDID("$FreeBSD$");
#define SW_AHB_INCRX_ALIGN (1 << 8)
#define SW_AHB_INCR4 (1 << 9)
#define SW_AHB_INCR8 (1 << 10)
#define GPIO_USB1_PWR 230
#define GPIO_USB2_PWR 227
#define A10_READ_4(sc, reg) \
@ -182,6 +183,10 @@ a10_ehci_attach(device_t self)
GPIO_PIN_SETFLAGS(sc_gpio_dev, GPIO_USB2_PWR, GPIO_PIN_OUTPUT);
GPIO_PIN_SET(sc_gpio_dev, GPIO_USB2_PWR, GPIO_PIN_HIGH);
/* Give power to USB */
GPIO_PIN_SETFLAGS(sc_gpio_dev, GPIO_USB1_PWR, GPIO_PIN_OUTPUT);
GPIO_PIN_SET(sc_gpio_dev, GPIO_USB1_PWR, GPIO_PIN_HIGH);
/* Enable passby */
reg_value = A10_READ_4(sc, SW_USB_PMU_IRQ_ENABLE);
reg_value |= SW_AHB_INCR8; /* AHB INCR8 enable */

9
sys/boot/fdt/dts/cubieboard.dts
View File

@ -91,7 +91,14 @@
interrupt-parent = <&AINTC>;
};
usb1: usb@01c1c000 {
usb1: usb@01c14000 {
compatible = "allwinner,usb-ehci", "usb-ehci";
reg = <0x01c14000 0x1000>;
interrupts = < 39 >;
interrupt-parent = <&AINTC>;
};
usb2: usb@01c1c000 {
compatible = "allwinner,usb-ehci", "usb-ehci";
reg = <0x01c1c000 0x1000>;
interrupts = < 40 >;