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@@ -19,13 +19,13 @@
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/rt2x00_platform.h>
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+#include <linux/usb/ehci_pdriver.h>
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+#include <linux/usb/ohci_pdriver.h>
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#include <asm/addrspace.h>
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#include <asm/mach-ralink/rt3883.h>
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#include <asm/mach-ralink/rt3883_regs.h>
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-#include <asm/mach-ralink/rt3883_ehci_platform.h>
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-#include <asm/mach-ralink/rt3883_ohci_platform.h>
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#include <asm/mach-ralink/ramips_nand_platform.h>
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#include "devices.h"
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@@ -123,67 +123,63 @@ void __init rt3883_register_pflash(unsigned int id)
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rt3883_flash_instance++;
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}
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-static atomic_t rt3883_usb_use_count = ATOMIC_INIT(0);
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+static atomic_t rt3883_usb_pwr_ref = ATOMIC_INIT(0);
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-static void rt3883_usb_host_start(void)
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+static int rt3883_usb_power_on(struct platform_device *pdev)
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{
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- u32 t;
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- if (atomic_inc_return(&rt3883_usb_use_count) != 1)
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- return;
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+ if (atomic_inc_return(&rt3883_usb_pwr_ref) == 1) {
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+ u32 t;
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- t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
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+ t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
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-#if 0
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- /* put the HOST controller into reset */
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- t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
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- t |= RT3883_RSTCTRL_UHST;
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- rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
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-#endif
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+ /* enable clock for port0's and port1's phys */
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+ t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
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+ t |= RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN;
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+ rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
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+ mdelay(500);
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- /* enable clock for port0's and port1's phys */
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- t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
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- t = t | RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN;
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- rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
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- mdelay(500);
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+ /* pull USBHOST and USBDEV out from reset */
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+ t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
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+ t &= ~(RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV);
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+ rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
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+ mdelay(500);
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- /* pull USBHOST and USBDEV out from reset */
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- t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
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- t &= ~(RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV);
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- rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
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- mdelay(500);
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+ /* enable host mode */
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+ t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1);
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+ t |= RT3883_SYSCFG1_USB0_HOST_MODE;
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+ rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1);
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- /* enable host mode */
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- t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1);
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- t |= RT3883_SYSCFG1_USB0_HOST_MODE;
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- rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1);
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+ t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
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+ }
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- t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
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+ return 0;
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}
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-static void rt3883_usb_host_stop(void)
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+static void rt3883_usb_power_off(struct platform_device *pdev)
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{
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- u32 t;
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-
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- if (atomic_dec_return(&rt3883_usb_use_count) != 0)
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- return;
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-
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- /* put USBHOST and USBDEV into reset */
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- t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
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- t |= RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV;
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- rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
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- udelay(10000);
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+ if (atomic_dec_return(&rt3883_usb_pwr_ref) == 0) {
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+ u32 t;
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- /* disable clock for port0's and port1's phys*/
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- t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
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- t &= ~(RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN);
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- rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
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- udelay(10000);
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+ /* put USBHOST and USBDEV into reset */
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+ t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
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+ t |= RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV;
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+ rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
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+ udelay(10000);
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+
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+ /* disable clock for port0's and port1's phys*/
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+ t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
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+ t &= ~(RT3883_CLKCFG1_UPHY0_CLK_EN |
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+ RT3883_CLKCFG1_UPHY1_CLK_EN);
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+ rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
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+ udelay(10000);
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+ }
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}
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-static struct rt3883_ehci_platform_data rt3883_ehci_data = {
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- .start_hw = rt3883_usb_host_start,
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- .stop_hw = rt3883_usb_host_stop,
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+static struct usb_ehci_pdata rt3883_ehci_data = {
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+ .port_power_off = 1,
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+ .power_on = rt3883_usb_power_on,
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+ .power_off = rt3883_usb_power_off,
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};
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static struct resource rt3883_ehci_resources[] = {
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@@ -200,7 +196,7 @@ static struct resource rt3883_ehci_resources[] = {
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static u64 rt3883_ehci_dmamask = DMA_BIT_MASK(32);
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static struct platform_device rt3883_ehci_device = {
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- .name = "rt3883-ehci",
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+ .name = "ehci-platform",
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.id = -1,
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.resource = rt3883_ehci_resources,
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.num_resources = ARRAY_SIZE(rt3883_ehci_resources),
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@@ -223,14 +219,14 @@ static struct resource rt3883_ohci_resources[] = {
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},
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};
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-static struct rt3883_ohci_platform_data rt3883_ohci_data = {
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- .start_hw = rt3883_usb_host_start,
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- .stop_hw = rt3883_usb_host_stop,
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+static struct usb_ohci_pdata rt3883_ohci_data = {
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+ .power_on = rt3883_usb_power_on,
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+ .power_off = rt3883_usb_power_off,
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};
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static u64 rt3883_ohci_dmamask = DMA_BIT_MASK(32);
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static struct platform_device rt3883_ohci_device = {
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- .name = "rt3883-ohci",
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+ .name = "ohci-platform",
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.id = -1,
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.resource = rt3883_ohci_resources,
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.num_resources = ARRAY_SIZE(rt3883_ohci_resources),
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