diff options
Diffstat (limited to 'drivers/usb/musb-new/sunxi.c')
| -rw-r--r-- | drivers/usb/musb-new/sunxi.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c index c9a6a16b89..e3c6d6a98b 100644 --- a/drivers/usb/musb-new/sunxi.c +++ b/drivers/usb/musb-new/sunxi.c @@ -22,6 +22,7 @@ */ #include <common.h> #include <asm/arch/cpu.h> +#include <asm/arch/clock.h> #include <asm/arch/gpio.h> #include <asm/arch/usbc.h> #include <asm-generic/gpio.h> @@ -219,11 +220,24 @@ static void sunxi_musb_enable(struct musb *musb) static void sunxi_musb_disable(struct musb *musb) { + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + pr_debug("%s():\n", __func__); /* Put the controller back in a pristane state for "usb reset" */ if (musb->is_active) { sunxi_usbc_disable(0); +#ifdef CONFIG_SUNXI_GEN_SUN6I + clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0); +#endif + clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0); + + mdelay(10); + + setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0); +#ifdef CONFIG_SUNXI_GEN_SUN6I + setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0); +#endif sunxi_usbc_enable(0); musb->is_active = 0; } @@ -231,6 +245,7 @@ static void sunxi_musb_disable(struct musb *musb) static int sunxi_musb_init(struct musb *musb) { + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; int err; pr_debug("%s():\n", __func__); @@ -249,6 +264,11 @@ static int sunxi_musb_init(struct musb *musb) } musb->isr = sunxi_musb_interrupt; + + setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0); +#ifdef CONFIG_SUNXI_GEN_SUN6I + setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0); +#endif sunxi_usbc_enable(0); USBC_ConfigFIFO_Base(); |
