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ramips: convert to use {e,o}hci-platform driver

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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34843 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2012-12-22 12:11:08 +00:00
parent c4dd6997f2
commit e8e5a1eaf8
8 changed files with 96 additions and 523 deletions
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100
target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c
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@@ -19,13 +19,13 @@
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/rt2x00_platform.h>
#include <linux/usb/ehci_pdriver.h>
#include <linux/usb/ohci_pdriver.h>
#include <asm/addrspace.h>
#include <asm/mach-ralink/rt3883.h>
#include <asm/mach-ralink/rt3883_regs.h>
#include <asm/mach-ralink/rt3883_ehci_platform.h>
#include <asm/mach-ralink/rt3883_ohci_platform.h>
#include <asm/mach-ralink/ramips_nand_platform.h>
#include "devices.h"
@@ -123,67 +123,63 @@ void __init rt3883_register_pflash(unsigned int id)
rt3883_flash_instance++;
}
static atomic_t rt3883_usb_use_count = ATOMIC_INIT(0);
static atomic_t rt3883_usb_pwr_ref = ATOMIC_INIT(0);
static void rt3883_usb_host_start(void)
static int rt3883_usb_power_on(struct platform_device *pdev)
{
u32 t;
if (atomic_inc_return(&rt3883_usb_use_count) != 1)
return;
if (atomic_inc_return(&rt3883_usb_pwr_ref) == 1) {
u32 t;
t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
#if 0
/* put the HOST controller into reset */
t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
t |= RT3883_RSTCTRL_UHST;
rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
#endif
/* enable clock for port0's and port1's phys */
t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
t |= RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN;
rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
mdelay(500);
/* enable clock for port0's and port1's phys */
t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
t = t | RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN;
rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
mdelay(500);
/* pull USBHOST and USBDEV out from reset */
t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
t &= ~(RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV);
rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
mdelay(500);
/* pull USBHOST and USBDEV out from reset */
t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
t &= ~(RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV);
rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
mdelay(500);
/* enable host mode */
t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1);
t |= RT3883_SYSCFG1_USB0_HOST_MODE;
rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1);
/* enable host mode */
t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1);
t |= RT3883_SYSCFG1_USB0_HOST_MODE;
rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1);
t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
}
t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
return 0;
}
static void rt3883_usb_host_stop(void)
static void rt3883_usb_power_off(struct platform_device *pdev)
{
u32 t;
if (atomic_dec_return(&rt3883_usb_pwr_ref) == 0) {
u32 t;
if (atomic_dec_return(&rt3883_usb_use_count) != 0)
return;
/* put USBHOST and USBDEV into reset */
t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
t |= RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV;
rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
udelay(10000);
/* put USBHOST and USBDEV into reset */
t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
t |= RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV;
rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
udelay(10000);
/* disable clock for port0's and port1's phys*/
t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
t &= ~(RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN);
rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
udelay(10000);
/* disable clock for port0's and port1's phys*/
t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
t &= ~(RT3883_CLKCFG1_UPHY0_CLK_EN |
RT3883_CLKCFG1_UPHY1_CLK_EN);
rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
udelay(10000);
}
}
static struct rt3883_ehci_platform_data rt3883_ehci_data = {
.start_hw = rt3883_usb_host_start,
.stop_hw = rt3883_usb_host_stop,
static struct usb_ehci_pdata rt3883_ehci_data = {
.port_power_off = 1,
.power_on = rt3883_usb_power_on,
.power_off = rt3883_usb_power_off,
};
static struct resource rt3883_ehci_resources[] = {
@@ -200,7 +196,7 @@ static struct resource rt3883_ehci_resources[] = {
static u64 rt3883_ehci_dmamask = DMA_BIT_MASK(32);
static struct platform_device rt3883_ehci_device = {
.name = "rt3883-ehci",
.name = "ehci-platform",
.id = -1,
.resource = rt3883_ehci_resources,
.num_resources = ARRAY_SIZE(rt3883_ehci_resources),
@@ -223,14 +219,14 @@ static struct resource rt3883_ohci_resources[] = {
},
};
static struct rt3883_ohci_platform_data rt3883_ohci_data = {
.start_hw = rt3883_usb_host_start,
.stop_hw = rt3883_usb_host_stop,
static struct usb_ohci_pdata rt3883_ohci_data = {
.power_on = rt3883_usb_power_on,
.power_off = rt3883_usb_power_off,
};
static u64 rt3883_ohci_dmamask = DMA_BIT_MASK(32);
static struct platform_device rt3883_ohci_device = {
.name = "rt3883-ohci",
.name = "ohci-platform",
.id = -1,
.resource = rt3883_ohci_resources,
.num_resources = ARRAY_SIZE(rt3883_ohci_resources),