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authorSergei Ianovich <ynvich@gmail.com>2013-12-18 20:19:20 +0400
committerMarek Vasut <marex@denx.de>2013-12-18 18:15:25 +0100
commita3d6ca432303bc19926a885c83149401abc24d0d (patch)
tree1bbeecebf122af382f6498260c1a8ac4401b8c72 /board/icpdas/lp8x4x
parent23f00caf6ebb9bcb804e48f5a4630629f64af471 (diff)
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arm: pxa: fix LP-8x4x USB support
Signed-off-by: Sergei Ianovich <ynvich@gmail.com> CC: Marek Vasut <marex@denx.de>
Diffstat (limited to 'board/icpdas/lp8x4x')
-rw-r--r--board/icpdas/lp8x4x/lp8x4x.c38
1 files changed, 24 insertions, 14 deletions
diff --git a/board/icpdas/lp8x4x/lp8x4x.c b/board/icpdas/lp8x4x/lp8x4x.c
index 92dd4ff..5eee18a 100644
--- a/board/icpdas/lp8x4x/lp8x4x.c
+++ b/board/icpdas/lp8x4x/lp8x4x.c
@@ -61,15 +61,24 @@ int board_mmc_init(bd_t *bis)
#ifdef CONFIG_CMD_USB
int board_usb_init(int index, enum usb_init_type init)
{
- writel((UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
- ~(UHCHR_SSEP0 | UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE),
- UHCHR);
+ if (index !=0 || init != USB_INIT_HOST)
+ return -1;
+
+ writel(readl(CKEN) | CKEN10_USBHOST, CKEN);
+
+ writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
+ udelay(11);
+ writel(readl(UHCHR) & ~UHCHR_FHR, UHCHR);
writel(readl(UHCHR) | UHCHR_FSBIR, UHCHR);
while (readl(UHCHR) & UHCHR_FSBIR)
continue; /* required by checkpath.pl */
+ writel(readl(UHCHR) & ~UHCHR_SSEP0, UHCHR);
+ writel(readl(UHCRHDA) & ~(0x1000), UHCRHDA);
+ writel(readl(UHCRHDA) | 0x800, UHCRHDA);
+
writel(readl(UHCHR) & ~UHCHR_SSE, UHCHR);
writel((UHCHIE_UPRIE | UHCHIE_RWIE), UHCHIE);
@@ -83,19 +92,10 @@ int board_usb_init(int index, enum usb_init_type init)
/* Set port power control mask bits, only 3 ports. */
writel(readl(UHCRHDB) | (0x7<<17), UHCRHDB);
- /* enable port 2 */
- writel(readl(UP2OCR) | UP2OCR_HXOE | UP2OCR_HXS |
- UP2OCR_DMPDE | UP2OCR_DPPDE, UP2OCR);
-
return 0;
}
-int board_usb_cleanup(int index, enum usb_init_type init)
-{
- return 0;
-}
-
-void usb_board_stop(void)
+int usb_board_stop(void)
{
writel(readl(UHCHR) | UHCHR_FHR, UHCHR);
udelay(11);
@@ -104,9 +104,19 @@ void usb_board_stop(void)
writel(readl(UHCCOMS) | 1, UHCCOMS);
udelay(10);
+ writel(readl(UHCHR) | UHCHR_SSEP0 | UHCHR_SSE, UHCHR);
+
writel(readl(CKEN) & ~CKEN10_USBHOST, CKEN);
- return;
+ return 0;
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+ if (index !=0 || init != USB_INIT_HOST)
+ return -1;
+
+ return usb_board_stop();
}
#endif