[U-Boot] [PATCH 3/6] sunxi: musb: Enable OTG device clock for H3
Jun Nie
jun.nie at linaro.org
Fri Jan 5 07:36:58 UTC 2018
Enable OTG clock and deassert reset
Signed-off-by: Jun Nie <jun.nie at linaro.org>
---
arch/arm/include/asm/arch-sunxi/clock_sun6i.h | 2 ++
arch/arm/include/asm/arch-sunxi/cpu_sun4i.h | 4 ++++
drivers/usb/musb-new/sunxi.c | 19 +++++++++++++++++++
3 files changed, 25 insertions(+)
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
index d328df9..0d81791 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
@@ -280,6 +280,8 @@ struct sunxi_ccm_reg {
#define AHB_GATE_OFFSET_USB_EHCI2 27
#define AHB_GATE_OFFSET_USB_EHCI1 26
#define AHB_GATE_OFFSET_USB_EHCI0 25
+#define AHB_GATE_OFFSET_OTG_EHCI 24
+#define AHB_GATE_OFFSET_OTG_DEVICE 23
#else
#define AHB_GATE_OFFSET_USB_EHCI1 27
#define AHB_GATE_OFFSET_USB_EHCI0 26
diff --git a/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h b/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
index 2419062..f7050df 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu_sun4i.h
@@ -64,7 +64,11 @@
#ifdef CONFIG_SUNXI_GEN_SUN6I
#if defined(CONFIG_MACH_SUNXI_H3_H5) || defined(CONFIG_MACH_SUN50I)
#define SUNXI_USBPHY_BASE 0x01c19000
+#ifndef CONFIG_USB_MUSB_HOST
+#define SUNXI_USB0_BASE 0x01c19000
+#else
#define SUNXI_USB0_BASE 0x01c1a000
+#endif
#define SUNXI_USB1_BASE 0x01c1b000
#define SUNXI_USB2_BASE 0x01c1c000
#define SUNXI_USB3_BASE 0x01c1d000
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c
index 0005c1e..6d8242e 100644
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -266,6 +266,16 @@ static int sunxi_musb_init(struct musb *musb)
#ifdef CONFIG_SUNXI_GEN_SUN6I
setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0);
#endif
+
+#ifdef CONFIG_MACH_SUNXI_H3_H5
+#ifdef CONFIG_USB_MUSB_HOST
+ setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_OTG_EHCI);
+ setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_OTG_EHCI);
+#else
+ setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_OTG_DEVICE);
+ setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_OTG_DEVICE);
+#endif
+#endif
sunxi_usb_phy_init(0);
USBC_ConfigFIFO_Base();
@@ -379,6 +389,15 @@ static int musb_usb_remove(struct udevice *dev)
#endif
clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0);
+#ifdef CONFIG_MACH_SUNXI_H3_H5
+#ifdef CONFIG_USB_MUSB_HOST
+ clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_OTG_EHCI);
+ clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_OTG_EHCI);
+#else
+ clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_OTG_DEVICE);
+ clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_OTG_DEVICE);
+#endif
+#endif
free(host->host);
host->host = NULL;
--
1.9.1
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