diff options
Diffstat (limited to 'patches.tizen/0312-usb-s3c-hsotg-Changing-MAC-interface-to-8-bit.patch')
| -rw-r--r-- | patches.tizen/0312-usb-s3c-hsotg-Changing-MAC-interface-to-8-bit.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/patches.tizen/0312-usb-s3c-hsotg-Changing-MAC-interface-to-8-bit.patch b/patches.tizen/0312-usb-s3c-hsotg-Changing-MAC-interface-to-8-bit.patch new file mode 100644 index 00000000000..d626db63279 --- /dev/null +++ b/patches.tizen/0312-usb-s3c-hsotg-Changing-MAC-interface-to-8-bit.patch @@ -0,0 +1,55 @@ +From c9c649b384431e66e91d6e5ab73b42fce81c9afb Mon Sep 17 00:00:00 2001 +From: Praveen Paneri <p.paneri@samsung.com> +Date: Tue, 2 Jul 2013 16:12:16 +0200 +Subject: [PATCH 0312/1302] usb: s3c-hsotg: Changing MAC interface to 8 bit + +This patch changes UTMI+ PHY interface of udc core from 16bit to +8bit. Although the manual says that only 16 bit is supported. This +solves the problem of EHCI and Device not working together. + +Signed-off-by: Praveen Paneri <p.paneri@samsung.com> +Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> +--- + drivers/usb/gadget/s3c-hsotg.c | 6 +++--- + drivers/usb/gadget/s3c-hsotg.h | 1 + + 2 files changed, 4 insertions(+), 3 deletions(-) + +diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c +index 8fd9681..5c8fe2d 100644 +--- a/drivers/usb/gadget/s3c-hsotg.c ++++ b/drivers/usb/gadget/s3c-hsotg.c +@@ -2214,8 +2214,8 @@ static void s3c_hsotg_core_init(struct s3c_hsotg *hsotg) + */ + + /* set the PLL on, remove the HNP/SRP and set the PHY */ +- writel(GUSBCFG_PHYIf16 | GUSBCFG_TOutCal(7) | +- (0x5 << 10), hsotg->regs + GUSBCFG); ++ writel(GUSBCFG_PHYIf8 | GUSBCFG_TOutCal(7) | ++ (0x9 << 10), hsotg->regs + GUSBCFG); + + s3c_hsotg_init_fifo(hsotg); + +@@ -2883,7 +2883,7 @@ static void s3c_hsotg_init(struct s3c_hsotg *hsotg) + s3c_hsotg_init_fifo(hsotg); + + /* set the PLL on, remove the HNP/SRP and set the PHY */ +- writel(GUSBCFG_PHYIf16 | GUSBCFG_TOutCal(7) | (0x5 << 10), ++ writel(GUSBCFG_PHYIf8 | GUSBCFG_TOutCal(7) | (0x9 << 10), + hsotg->regs + GUSBCFG); + + writel(using_dma(hsotg) ? GAHBCFG_DMAEn : 0x0, +diff --git a/drivers/usb/gadget/s3c-hsotg.h b/drivers/usb/gadget/s3c-hsotg.h +index d650b12..3848263 100644 +--- a/drivers/usb/gadget/s3c-hsotg.h ++++ b/drivers/usb/gadget/s3c-hsotg.h +@@ -55,6 +55,7 @@ + #define GUSBCFG_HNPCap (1 << 9) + #define GUSBCFG_SRPCap (1 << 8) + #define GUSBCFG_PHYIf16 (1 << 3) ++#define GUSBCFG_PHYIf8 (0 << 3) + #define GUSBCFG_TOutCal_MASK (0x7 << 0) + #define GUSBCFG_TOutCal_SHIFT (0) + #define GUSBCFG_TOutCal_LIMIT (0x7) +-- +1.8.3.2 + |