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-rw-r--r--arch/arm/cpu/armv7/sunxi/Makefile1
-rw-r--r--arch/arm/cpu/armv7/sunxi/usbc.c229
-rw-r--r--arch/arm/include/asm/arch-sunxi/clock_sun4i.h2
-rw-r--r--arch/arm/include/asm/arch-sunxi/clock_sun6i.h1
-rw-r--r--arch/arm/include/asm/arch-sunxi/cpu.h4
-rw-r--r--arch/arm/include/asm/arch-sunxi/usbc.h20
-rw-r--r--drivers/usb/host/ehci-sunxi.c213
-rw-r--r--include/configs/sun8i.h5
8 files changed, 269 insertions, 206 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile
index 1e899372c2..1720f7db01 100644
--- a/arch/arm/cpu/armv7/sunxi/Makefile
+++ b/arch/arm/cpu/armv7/sunxi/Makefile
@@ -12,6 +12,7 @@ obj-y += board.o
obj-y += clock.o
obj-y += cpu_info.o
obj-y += pinmux.o
+obj-y += usbc.o
obj-$(CONFIG_MACH_SUN6I) += prcm.o
obj-$(CONFIG_MACH_SUN8I) += prcm.o
obj-$(CONFIG_MACH_SUN6I) += p2wi.o
diff --git a/arch/arm/cpu/armv7/sunxi/usbc.c b/arch/arm/cpu/armv7/sunxi/usbc.c
new file mode 100644
index 0000000000..621992c3af
--- /dev/null
+++ b/arch/arm/cpu/armv7/sunxi/usbc.c
@@ -0,0 +1,229 @@
+/*
+ * Sunxi usb-controller code shared between the ehci and musb controllers
+ *
+ * Copyright (C) 2014 Roman Byshko
+ *
+ * Roman Byshko <rbyshko@gmail.com>
+ *
+ * Based on code from
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/usbc.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <common.h>
+
+#define SUNXI_USB_PMU_IRQ_ENABLE 0x800
+#define SUNXI_USB_CSR 0x404
+#define SUNXI_USB_PASSBY_EN 1
+
+#define SUNXI_EHCI_AHB_ICHR8_EN (1 << 10)
+#define SUNXI_EHCI_AHB_INCR4_BURST_EN (1 << 9)
+#define SUNXI_EHCI_AHB_INCRX_ALIGN_EN (1 << 8)
+#define SUNXI_EHCI_ULPI_BYPASS_EN (1 << 0)
+
+static struct sunxi_usbc_hcd {
+ struct usb_hcd *hcd;
+ int usb_rst_mask;
+ int ahb_clk_mask;
+ int gpio_vbus;
+ int irq;
+ int id;
+} sunxi_usbc_hcd[] = {
+ {
+ .usb_rst_mask = CCM_USB_CTRL_PHY1_RST | CCM_USB_CTRL_PHY1_CLK,
+ .ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0,
+#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I
+ .irq = 72,
+#else
+ .irq = 39,
+#endif
+ .id = 1,
+ },
+#if (CONFIG_USB_MAX_CONTROLLER_COUNT > 1)
+ {
+ .usb_rst_mask = CCM_USB_CTRL_PHY2_RST | CCM_USB_CTRL_PHY2_CLK,
+ .ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI1,
+#ifdef CONFIG_MACH_SUN6I
+ .irq = 74,
+#else
+ .irq = 40,
+#endif
+ .id = 2,
+ }
+#endif
+};
+
+static int enabled_hcd_count;
+
+void *sunxi_usbc_get_io_base(int index)
+{
+ switch (index) {
+ case 0:
+ return (void *)SUNXI_USB0_BASE;
+ case 1:
+ return (void *)SUNXI_USB1_BASE;
+ case 2:
+ return (void *)SUNXI_USB2_BASE;
+ default:
+ return NULL;
+ }
+}
+
+static int get_vbus_gpio(int index)
+{
+ switch (index) {
+ case 1: return sunxi_name_to_gpio(CONFIG_USB1_VBUS_PIN);
+ case 2: return sunxi_name_to_gpio(CONFIG_USB2_VBUS_PIN);
+ }
+ return -1;
+}
+
+static void usb_phy_write(struct sunxi_usbc_hcd *sunxi_usbc, int addr,
+ int data, int len)
+{
+ int j = 0, usbc_bit = 0;
+ void *dest = sunxi_usbc_get_io_base(0) + SUNXI_USB_CSR;
+
+ usbc_bit = 1 << (sunxi_usbc->id * 2);
+ for (j = 0; j < len; j++) {
+ /* set the bit address to be written */
+ clrbits_le32(dest, 0xff << 8);
+ setbits_le32(dest, (addr + j) << 8);
+
+ clrbits_le32(dest, usbc_bit);
+ /* set data bit */
+ if (data & 0x1)
+ setbits_le32(dest, 1 << 7);
+ else
+ clrbits_le32(dest, 1 << 7);
+
+ setbits_le32(dest, usbc_bit);
+
+ clrbits_le32(dest, usbc_bit);
+
+ data >>= 1;
+ }
+}
+
+static void sunxi_usb_phy_init(struct sunxi_usbc_hcd *sunxi_usbc)
+{
+ /* The following comments are machine
+ * translated from Chinese, you have been warned!
+ */
+
+ /* adjust PHY's magnitude and rate */
+ usb_phy_write(sunxi_usbc, 0x20, 0x14, 5);
+
+ /* threshold adjustment disconnect */
+#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN6I
+ usb_phy_write(sunxi_usbc, 0x2a, 3, 2);
+#else
+ usb_phy_write(sunxi_usbc, 0x2a, 2, 2);
+#endif
+
+ return;
+}
+
+static void sunxi_usb_passby(struct sunxi_usbc_hcd *sunxi_usbc, int enable)
+{
+ unsigned long bits = 0;
+ void *addr = sunxi_usbc_get_io_base(sunxi_usbc->id) +
+ SUNXI_USB_PMU_IRQ_ENABLE;
+
+ bits = SUNXI_EHCI_AHB_ICHR8_EN |
+ SUNXI_EHCI_AHB_INCR4_BURST_EN |
+ SUNXI_EHCI_AHB_INCRX_ALIGN_EN |
+ SUNXI_EHCI_ULPI_BYPASS_EN;
+
+ if (enable)
+ setbits_le32(addr, bits);
+ else
+ clrbits_le32(addr, bits);
+
+ return;
+}
+
+int sunxi_usbc_request_resources(int index)
+{
+ struct sunxi_usbc_hcd *sunxi_usbc = &sunxi_usbc_hcd[index - 1];
+
+ sunxi_usbc->gpio_vbus = get_vbus_gpio(index);
+ if (sunxi_usbc->gpio_vbus != -1)
+ return gpio_request(sunxi_usbc->gpio_vbus, "usbc_vbus");
+
+ return 0;
+}
+
+int sunxi_usbc_free_resources(int index)
+{
+ struct sunxi_usbc_hcd *sunxi_usbc = &sunxi_usbc_hcd[index - 1];
+
+ if (sunxi_usbc->gpio_vbus != -1)
+ return gpio_free(sunxi_usbc->gpio_vbus);
+
+ return 0;
+}
+
+void sunxi_usbc_enable(int index)
+{
+ struct sunxi_usbc_hcd *sunxi_usbc = &sunxi_usbc_hcd[index - 1];
+ struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
+ /* enable common PHY only once */
+ if (enabled_hcd_count == 0)
+ setbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
+
+ setbits_le32(&ccm->usb_clk_cfg, sunxi_usbc->usb_rst_mask);
+ setbits_le32(&ccm->ahb_gate0, sunxi_usbc->ahb_clk_mask);
+#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I
+ setbits_le32(&ccm->ahb_reset0_cfg, sunxi_usbc->ahb_clk_mask);
+#endif
+
+ sunxi_usb_phy_init(sunxi_usbc);
+
+ sunxi_usb_passby(sunxi_usbc, SUNXI_USB_PASSBY_EN);
+
+ enabled_hcd_count++;
+}
+
+void sunxi_usbc_disable(int index)
+{
+ struct sunxi_usbc_hcd *sunxi_usbc = &sunxi_usbc_hcd[index - 1];
+ struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
+ sunxi_usb_passby(sunxi_usbc, !SUNXI_USB_PASSBY_EN);
+
+#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I
+ clrbits_le32(&ccm->ahb_reset0_cfg, sunxi_usbc->ahb_clk_mask);
+#endif
+ clrbits_le32(&ccm->ahb_gate0, sunxi_usbc->ahb_clk_mask);
+ clrbits_le32(&ccm->usb_clk_cfg, sunxi_usbc->usb_rst_mask);
+
+ /* disable common PHY only once, for the last enabled hcd */
+ if (enabled_hcd_count == 1)
+ clrbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
+
+ enabled_hcd_count--;
+}
+
+void sunxi_usbc_vbus_enable(int index)
+{
+ struct sunxi_usbc_hcd *sunxi_usbc = &sunxi_usbc_hcd[index - 1];
+
+ if (sunxi_usbc->gpio_vbus != -1)
+ gpio_direction_output(sunxi_usbc->gpio_vbus, 1);
+}
+
+void sunxi_usbc_vbus_disable(int index)
+{
+ struct sunxi_usbc_hcd *sunxi_usbc = &sunxi_usbc_hcd[index - 1];
+
+ if (sunxi_usbc->gpio_vbus != -1)
+ gpio_direction_output(sunxi_usbc->gpio_vbus, 0);
+}
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
index 70b789e8e8..a6d129ca0e 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun4i.h
@@ -182,7 +182,7 @@ struct sunxi_ccm_reg {
#define AHB_GATE_OFFSET_USB_EHCI1 3
#define AHB_GATE_OFFSET_USB_OHCI0 2
#define AHB_GATE_OFFSET_USB_EHCI0 1
-#define AHB_GATE_OFFSET_USB 0
+#define AHB_GATE_OFFSET_USB0 0
/* ahb clock gate bit offset (second register) */
#define AHB_GATE_OFFSET_GMAC 17
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
index 653f63c283..f85f94d97c 100644
--- a/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
+++ b/arch/arm/include/asm/arch-sunxi/clock_sun6i.h
@@ -204,6 +204,7 @@ struct sunxi_ccm_reg {
#define AHB_GATE_OFFSET_USB_OHCI0 29
#define AHB_GATE_OFFSET_USB_EHCI1 27
#define AHB_GATE_OFFSET_USB_EHCI0 26
+#define AHB_GATE_OFFSET_USB0 24
#define AHB_GATE_OFFSET_MCTL 14
#define AHB_GATE_OFFSET_GMAC 17
#define AHB_GATE_OFFSET_MMC3 11
diff --git a/arch/arm/include/asm/arch-sunxi/cpu.h b/arch/arm/include/asm/arch-sunxi/cpu.h
index bcfa00d835..82b3d4676f 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu.h
@@ -37,7 +37,7 @@
#define SUNXI_MMC1_BASE 0x01c10000
#define SUNXI_MMC2_BASE 0x01c11000
#define SUNXI_MMC3_BASE 0x01c12000
-#ifndef CONFIG_MACH_SUN6I
+#if !defined CONFIG_MACH_SUN6I && !defined CONFIG_MACH_SUN8I
#define SUNXI_USB0_BASE 0x01c13000
#define SUNXI_USB1_BASE 0x01c14000
#endif
@@ -45,7 +45,7 @@
#define SUNXI_HDMI_BASE 0x01c16000
#define SUNXI_SPI2_BASE 0x01c17000
#define SUNXI_SATA_BASE 0x01c18000
-#ifndef CONFIG_MACH_SUN6I
+#if !defined CONFIG_MACH_SUN6I && !defined CONFIG_MACH_SUN8I
#define SUNXI_PATA_BASE 0x01c19000
#define SUNXI_ACE_BASE 0x01c1a000
#define SUNXI_TVE1_BASE 0x01c1b000
diff --git a/arch/arm/include/asm/arch-sunxi/usbc.h b/arch/arm/include/asm/arch-sunxi/usbc.h
new file mode 100644
index 0000000000..8d2097336c
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/usbc.h
@@ -0,0 +1,20 @@
+/*
+ * Sunxi usb-controller code shared between the ehci and musb controllers
+ *
+ * Copyright (C) 2014 Roman Byshko
+ *
+ * Roman Byshko <rbyshko@gmail.com>
+ *
+ * Based on code from
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+void *sunxi_usbc_get_io_base(int index);
+int sunxi_usbc_request_resources(int index);
+int sunxi_usbc_free_resources(int index);
+void sunxi_usbc_enable(int index);
+void sunxi_usbc_disable(int index);
+void sunxi_usbc_vbus_enable(int index);
+void sunxi_usbc_vbus_disable(int index);
diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c
index cc9a8fa71e..eda9f698d9 100644
--- a/drivers/usb/host/ehci-sunxi.c
+++ b/drivers/usb/host/ehci-sunxi.c
@@ -9,199 +9,23 @@
* SPDX-License-Identifier: GPL-2.0+
*/
-#include <asm/arch/clock.h>
-#include <asm/arch/cpu.h>
-#include <asm/gpio.h>
-#include <asm/io.h>
+#include <asm/arch/usbc.h>
#include <common.h>
#include "ehci.h"
-#define SUNXI_USB_PMU_IRQ_ENABLE 0x800
-#define SUNXI_USB_CSR 0x404
-#define SUNXI_USB_PASSBY_EN 1
-
-#define SUNXI_EHCI_AHB_ICHR8_EN (1 << 10)
-#define SUNXI_EHCI_AHB_INCR4_BURST_EN (1 << 9)
-#define SUNXI_EHCI_AHB_INCRX_ALIGN_EN (1 << 8)
-#define SUNXI_EHCI_ULPI_BYPASS_EN (1 << 0)
-
-static struct sunxi_ehci_hcd {
- struct usb_hcd *hcd;
- int usb_rst_mask;
- int ahb_clk_mask;
- int gpio_vbus;
- int irq;
- int id;
-} sunxi_echi_hcd[] = {
- {
- .usb_rst_mask = CCM_USB_CTRL_PHY1_RST | CCM_USB_CTRL_PHY1_CLK,
- .ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0,
-#ifndef CONFIG_MACH_SUN6I
- .irq = 39,
-#else
- .irq = 72,
-#endif
- .id = 1,
- },
-#if (CONFIG_USB_MAX_CONTROLLER_COUNT > 1)
- {
- .usb_rst_mask = CCM_USB_CTRL_PHY2_RST | CCM_USB_CTRL_PHY2_CLK,
- .ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI1,
-#ifndef CONFIG_MACH_SUN6I
- .irq = 40,
-#else
- .irq = 74,
-#endif
- .id = 2,
- }
-#endif
-};
-
-static int enabled_hcd_count;
-
-static void *get_io_base(int hcd_id)
-{
- switch (hcd_id) {
- case 0:
- return (void *)SUNXI_USB0_BASE;
- case 1:
- return (void *)SUNXI_USB1_BASE;
- case 2:
- return (void *)SUNXI_USB2_BASE;
- default:
- return NULL;
- }
-}
-
-static int get_vbus_gpio(int hcd_id)
-{
- switch (hcd_id) {
- case 1: return sunxi_name_to_gpio(CONFIG_USB1_VBUS_PIN);
- case 2: return sunxi_name_to_gpio(CONFIG_USB2_VBUS_PIN);
- }
- return -1;
-}
-
-static void usb_phy_write(struct sunxi_ehci_hcd *sunxi_ehci, int addr,
- int data, int len)
-{
- int j = 0, usbc_bit = 0;
- void *dest = get_io_base(0) + SUNXI_USB_CSR;
-
- usbc_bit = 1 << (sunxi_ehci->id * 2);
- for (j = 0; j < len; j++) {
- /* set the bit address to be written */
- clrbits_le32(dest, 0xff << 8);
- setbits_le32(dest, (addr + j) << 8);
-
- clrbits_le32(dest, usbc_bit);
- /* set data bit */
- if (data & 0x1)
- setbits_le32(dest, 1 << 7);
- else
- clrbits_le32(dest, 1 << 7);
-
- setbits_le32(dest, usbc_bit);
-
- clrbits_le32(dest, usbc_bit);
-
- data >>= 1;
- }
-}
-
-static void sunxi_usb_phy_init(struct sunxi_ehci_hcd *sunxi_ehci)
-{
- /* The following comments are machine
- * translated from Chinese, you have been warned!
- */
-
- /* adjust PHY's magnitude and rate */
- usb_phy_write(sunxi_ehci, 0x20, 0x14, 5);
-
- /* threshold adjustment disconnect */
-#if defined CONFIG_MACH_SUN4I || defined CONFIG_MACH_SUN6I
- usb_phy_write(sunxi_ehci, 0x2a, 3, 2);
-#else
- usb_phy_write(sunxi_ehci, 0x2a, 2, 2);
-#endif
-
- return;
-}
-
-static void sunxi_usb_passby(struct sunxi_ehci_hcd *sunxi_ehci, int enable)
-{
- unsigned long bits = 0;
- void *addr = get_io_base(sunxi_ehci->id) + SUNXI_USB_PMU_IRQ_ENABLE;
-
- bits = SUNXI_EHCI_AHB_ICHR8_EN |
- SUNXI_EHCI_AHB_INCR4_BURST_EN |
- SUNXI_EHCI_AHB_INCRX_ALIGN_EN |
- SUNXI_EHCI_ULPI_BYPASS_EN;
-
- if (enable)
- setbits_le32(addr, bits);
- else
- clrbits_le32(addr, bits);
-
- return;
-}
-
-static void sunxi_ehci_enable(struct sunxi_ehci_hcd *sunxi_ehci)
-{
- struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
-
- setbits_le32(&ccm->usb_clk_cfg, sunxi_ehci->usb_rst_mask);
- setbits_le32(&ccm->ahb_gate0, sunxi_ehci->ahb_clk_mask);
-#ifdef CONFIG_MACH_SUN6I
- setbits_le32(&ccm->ahb_reset0_cfg, sunxi_ehci->ahb_clk_mask);
-#endif
-
- sunxi_usb_phy_init(sunxi_ehci);
-
- sunxi_usb_passby(sunxi_ehci, SUNXI_USB_PASSBY_EN);
-
- if (sunxi_ehci->gpio_vbus != -1)
- gpio_direction_output(sunxi_ehci->gpio_vbus, 1);
-}
-
-static void sunxi_ehci_disable(struct sunxi_ehci_hcd *sunxi_ehci)
-{
- struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
-
- if (sunxi_ehci->gpio_vbus != -1)
- gpio_direction_output(sunxi_ehci->gpio_vbus, 0);
-
- sunxi_usb_passby(sunxi_ehci, !SUNXI_USB_PASSBY_EN);
-
-#ifdef CONFIG_MACH_SUN6I
- clrbits_le32(&ccm->ahb_reset0_cfg, sunxi_ehci->ahb_clk_mask);
-#endif
- clrbits_le32(&ccm->ahb_gate0, sunxi_ehci->ahb_clk_mask);
- clrbits_le32(&ccm->usb_clk_cfg, sunxi_ehci->usb_rst_mask);
-}
-
int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
struct ehci_hcor **hcor)
{
- struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
- struct sunxi_ehci_hcd *sunxi_ehci = &sunxi_echi_hcd[index];
int err;
- sunxi_ehci->gpio_vbus = get_vbus_gpio(sunxi_ehci->id);
+ err = sunxi_usbc_request_resources(index + 1);
+ if (err)
+ return err;
- /* enable common PHY only once */
- if (index == 0)
- setbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
+ sunxi_usbc_enable(index + 1);
+ sunxi_usbc_vbus_enable(index + 1);
- if (sunxi_ehci->gpio_vbus != -1) {
- err = gpio_request(sunxi_ehci->gpio_vbus, "ehci_vbus");
- if (err)
- return err;
- }
-
- sunxi_ehci_enable(sunxi_ehci);
-
- *hccr = get_io_base(sunxi_ehci->id);
+ *hccr = sunxi_usbc_get_io_base(index + 1);
*hcor = (struct ehci_hcor *)((uint32_t) *hccr
+ HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
@@ -210,30 +34,13 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
(uint32_t)*hccr, (uint32_t)*hcor,
(uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
- enabled_hcd_count++;
-
return 0;
}
int ehci_hcd_stop(int index)
{
- struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
- struct sunxi_ehci_hcd *sunxi_ehci = &sunxi_echi_hcd[index];
- int err;
-
- sunxi_ehci_disable(sunxi_ehci);
-
- if (sunxi_ehci->gpio_vbus != -1) {
- err = gpio_free(sunxi_ehci->gpio_vbus);
- if (err)
- return err;
- }
+ sunxi_usbc_vbus_disable(index + 1);
+ sunxi_usbc_disable(index + 1);
- /* disable common PHY only once, for the last enabled hcd */
- if (enabled_hcd_count == 1)
- clrbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
-
- enabled_hcd_count--;
-
- return 0;
+ return sunxi_usbc_free_resources(index + 1);
}
diff --git a/include/configs/sun8i.h b/include/configs/sun8i.h
index 792422d780..f16e60b576 100644
--- a/include/configs/sun8i.h
+++ b/include/configs/sun8i.h
@@ -16,6 +16,11 @@
#define CONFIG_SYS_PROMPT "sun8i# "
+#ifdef CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_SUNXI
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
+#endif
+
/*
* Include common sunxi configuration where most the settings are
*/
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