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openwrt-xburst/target/linux/lantiq/patches-3.2/0070-MIPS-lantiq-fix-dwc_otg-usb-for-ase.patch

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From 6c2374c768e0eacba197e242e8793d93846dc762 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Wed, 11 Apr 2012 18:43:50 +0200
Subject: [PATCH 70/73] MIPS: lantiq: fix dwc_otg usb for ase
changed irq number and pmu settings. little bit of fiddling to get the now variable
irq into resources.
Signed-off-by: Conor O'Gorman <i@conorogorman.net>
---
.../mips/include/asm/mach-lantiq/xway/lantiq_irq.h | 1 +
drivers/usb/dwc_otg/dwc_otg_driver.c | 3 +++
drivers/usb/dwc_otg/dwc_otg_ifx.c | 5 ++++-
3 files changed, 8 insertions(+), 1 deletions(-)
--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h
@@ -36,6 +36,7 @@
#define LTQ_TIMER6_INT (INT_NUM_IM1_IRL0 + 23)
#define LTQ_USB_INT (INT_NUM_IM1_IRL0 + 22)
+#define LTQ_USB_ASE_INT (INT_NUM_IM0_IRL0 + 31)
#define LTQ_USB_OC_INT (INT_NUM_IM4_IRL0 + 23)
#define MIPS_CPU_TIMER_IRQ 7
--- a/drivers/usb/dwc_otg/dwc_otg_driver.c
+++ b/drivers/usb/dwc_otg/dwc_otg_driver.c
@@ -860,6 +860,9 @@ static int __init dwc_otg_init(void)
printk(KERN_INFO "%s: version %s\n", dwc_driver_name, DWC_DRIVER_VERSION);
+ if (ltq_is_ase())
+ dwc_irq = LTQ_USB_ASE_INT;
+
// ifxmips setup
retval = ifx_usb_hc_init(dwc_iomem_base, dwc_irq);
if (retval < 0)
--- a/drivers/usb/dwc_otg/dwc_otg_ifx.c
+++ b/drivers/usb/dwc_otg/dwc_otg_ifx.c
@@ -61,7 +61,10 @@ void dwc_otg_power_on (void)
// clear power
writel(readl(DANUBE_PMU_PWDCR) | 0x41, DANUBE_PMU_PWDCR);
// set clock gating
- writel(readl(DANUBE_CGU_IFCCR) | 0x30, DANUBE_CGU_IFCCR);
+ if (ltq_is_ase())
+ writel(readl(DANUBE_CGU_IFCCR) & ~0x20, DANUBE_CGU_IFCCR);
+ else
+ writel(readl(DANUBE_CGU_IFCCR) | 0x30, DANUBE_CGU_IFCCR);
// set power
writel(readl(DANUBE_PMU_PWDCR) & ~0x1, DANUBE_PMU_PWDCR);
writel(readl(DANUBE_PMU_PWDCR) & ~0x40, DANUBE_PMU_PWDCR);