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authorTom Rini <trini@ti.com>2014-11-13 10:35:13 -0500
committerTom Rini <trini@ti.com>2014-11-13 10:35:13 -0500
commit0d485b9095328cdc81b2ee94ff59b988c69b9127 (patch)
tree93406f5dfe78b0b5670272a9de3f3eb3ee419785 /drivers/usb
parent3ad207a2bf1399a689233a97978e306f71729f77 (diff)
parent64a97599b79e277600bc6f1b22cf48aa04ee9bd0 (diff)
Merge branch 'master' of git://git.denx.de/u-boot-sunxi
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/ehci-sunxi.c80
1 files changed, 54 insertions, 26 deletions
diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c
index 4befd57454..cc9a8fa71e 100644
--- 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)