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authorCory Maccarrone <darkstar6262@gmail.com>2009-12-11 16:16:34 -0800
committerTony Lindgren <tony@atomide.com>2009-12-11 16:16:34 -0800
commit106997c1a4aa3a34d8e04fa0138ba332f7ceafef (patch)
tree2eb807445f245aae5d670de5a8b995e4e359fd82 /arch/arm/plat-omap
parentf8e9e98454606e43b728269de21db349f57861c7 (diff)
omap1: Add omap7xx USB support
This change implements USB client side support into the HTC Herald board configuration. It uses a similar, but updated algorithm to initialize the USB as is used in the linwizard project. Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap')
-rw-r--r--arch/arm/plat-omap/include/plat/mux.h2
-rw-r--r--arch/arm/plat-omap/usb.c8
2 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/plat-omap/include/plat/mux.h b/arch/arm/plat-omap/include/plat/mux.h
index 6067cf79f08..8ed5f25ab0f 100644
--- a/arch/arm/plat-omap/include/plat/mux.h
+++ b/arch/arm/plat-omap/include/plat/mux.h
@@ -172,6 +172,8 @@ enum omap7xx_index {
AA17_7XX_USB_DM,
W16_7XX_USB_PU_EN,
W17_7XX_USB_VBUSI,
+ W18_7XX_USB_DMCK_OUT,
+ W19_7XX_USB_DCRST,
/* MMC */
MMC_7XX_CMD,
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c
index 51033a4503c..d3bf17cd36f 100644
--- a/arch/arm/plat-omap/usb.c
+++ b/arch/arm/plat-omap/usb.c
@@ -137,7 +137,13 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
if (is_device) {
if (cpu_is_omap24xx())
omap_cfg_reg(J20_24XX_USB0_PUEN);
- else
+ else if (cpu_is_omap7xx()) {
+ omap_cfg_reg(AA17_7XX_USB_DM);
+ omap_cfg_reg(W16_7XX_USB_PU_EN);
+ omap_cfg_reg(W17_7XX_USB_VBUSI);
+ omap_cfg_reg(W18_7XX_USB_DMCK_OUT);
+ omap_cfg_reg(W19_7XX_USB_DCRST);
+ } else
omap_cfg_reg(W4_USB_PUEN);
}