Merge branch 'master' of git://git.denx.de/u-boot-sunxi

[karo-tx-uboot.git] / drivers / usb / host / ehci-sunxi.c

diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c
index 4befd574541d74ce7ab7651360cb9c654e0bc452..cc9a8fa71ef3e35139024a11515eb9251a7e38c0 100644 (file)
--- a/drivers/usb/host/ehci-sunxi.c
+++ b/drivers/usb/host/ehci-sunxi.c
@@ -10,16 +10,14 @@
  */
 
 #include <asm/arch/clock.h>
+#include <asm/arch/cpu.h>
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <common.h>
 #include "ehci.h"
 
-#define SUNXI_USB1_IO_BASE             0x01c14000
-#define SUNXI_USB2_IO_BASE             0x01c1c000
-
 #define SUNXI_USB_PMU_IRQ_ENABLE       0x800
-#define SUNXI_USB_CSR                  0x01c13404
+#define SUNXI_USB_CSR                  0x404
 #define SUNXI_USB_PASSBY_EN            1
 
 #define SUNXI_EHCI_AHB_ICHR8_EN                (1 << 10)
@@ -32,25 +30,28 @@ static struct sunxi_ehci_hcd {
        int usb_rst_mask;
        int ahb_clk_mask;
        int gpio_vbus;
-       void *csr;
        int irq;
        int id;
 } sunxi_echi_hcd[] = {
        {
-               .usb_rst_mask = CCM_USB_CTRL_PHY1_RST,
+               .usb_rst_mask = CCM_USB_CTRL_PHY1_RST | CCM_USB_CTRL_PHY1_CLK,
                .ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0,
-               .gpio_vbus = CONFIG_SUNXI_USB_VBUS0_GPIO,
-               .csr = (void *)SUNXI_USB_CSR,
+#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,
+               .usb_rst_mask = CCM_USB_CTRL_PHY2_RST | CCM_USB_CTRL_PHY2_CLK,
                .ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI1,
-               .gpio_vbus = CONFIG_SUNXI_USB_VBUS1_GPIO,
-               .csr = (void *)SUNXI_USB_CSR,
+#ifndef CONFIG_MACH_SUN6I
                .irq = 40,
+#else
+               .irq = 74,
+#endif
                .id = 2,
        }
 #endif
@@ -60,19 +61,32 @@ static int enabled_hcd_count;
 
 static void *get_io_base(int hcd_id)
 {
-       if (hcd_id == 1)
-               return (void *)SUNXI_USB1_IO_BASE;
-       else if (hcd_id == 2)
-               return (void *)SUNXI_USB2_IO_BASE;
-       else
+       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 = sunxi_ehci->csr;
+       void *dest = get_io_base(0) + SUNXI_USB_CSR;
 
        usbc_bit = 1 << (sunxi_ehci->id * 2);
        for (j = 0; j < len; j++) {
@@ -105,7 +119,7 @@ static void sunxi_usb_phy_init(struct sunxi_ehci_hcd *sunxi_ehci)
        usb_phy_write(sunxi_ehci, 0x20, 0x14, 5);
 
        /* threshold adjustment disconnect */
-#ifdef CONFIG_MACH_SUN4I
+#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);
@@ -138,22 +152,30 @@ static void sunxi_ehci_enable(struct sunxi_ehci_hcd *sunxi_ehci)
 
        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);
 
-       gpio_direction_output(sunxi_ehci->gpio_vbus, 1);
+       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;
 
-       gpio_direction_output(sunxi_ehci->gpio_vbus, 0);
+       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);
 }
@@ -165,13 +187,17 @@ int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
        struct sunxi_ehci_hcd *sunxi_ehci = &sunxi_echi_hcd[index];
        int err;
 
+       sunxi_ehci->gpio_vbus = get_vbus_gpio(sunxi_ehci->id);
+
        /* enable common PHY only once */
        if (index == 0)
                setbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
 
-       err = gpio_request(sunxi_ehci->gpio_vbus, "ehci_vbus");
-       if (err)
-               return err;
+       if (sunxi_ehci->gpio_vbus != -1) {
+               err = gpio_request(sunxi_ehci->gpio_vbus, "ehci_vbus");
+               if (err)
+                       return err;
+       }
 
        sunxi_ehci_enable(sunxi_ehci);
 
@@ -197,9 +223,11 @@ int ehci_hcd_stop(int index)
 
        sunxi_ehci_disable(sunxi_ehci);
 
-       err = gpio_free(sunxi_ehci->gpio_vbus);
-       if (err)
-               return err;
+       if (sunxi_ehci->gpio_vbus != -1) {
+               err = gpio_free(sunxi_ehci->gpio_vbus);
+               if (err)
+                       return err;
+       }
 
        /* disable common PHY only once, for the last enabled hcd */
        if (enabled_hcd_count == 1)