From 6a8d78074cefec80c194697a72b0a17b0334aae9 Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Tue, 26 Oct 2010 09:18:30 +0800 Subject: ENGR00132957 mfg-tool: should add stop usb operation for mx50 rdp It should add stop usb operation for mx50 rdp, otherwise, the usb enumeration at kernel will be very slow Signed-off-by: Peter Chen --- board/freescale/mx50_rdp/mx50_rdp.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/board/freescale/mx50_rdp/mx50_rdp.c b/board/freescale/mx50_rdp/mx50_rdp.c index 1a736b4..809f124 100644 --- a/board/freescale/mx50_rdp/mx50_rdp.c +++ b/board/freescale/mx50_rdp/mx50_rdp.c @@ -599,6 +599,13 @@ void setup_voltage_cpu(void) int board_init(void) { +#ifdef CONFIG_MFG +/* MFG firmware need reset usb to avoid host crash firstly */ +#define USBCMD 0x140 + int val = readl(OTG_BASE_ADDR + USBCMD); + val &= ~0x1; /*RS bit*/ + writel(val, OTG_BASE_ADDR + USBCMD); +#endif /* boot device */ setup_boot_device(); -- cgit v1.1