[U-Boot] [PATCH v3] arm: pxa: fix LP-8x4x USB support

[Sergei Ianovich]

Signed-off-by: Sergei Ianovich <ynvich at gmail.com>
CC: Marek Vasut <marex at denx.de>
---
 Changes v2..v3
 * fixed merge conflict
 * added checks for index and init type

 Changes v1..v2
 * new patch

 board/icpdas/lp8x4x/lp8x4x.c | 38 ++++++++++++++++++++++++--------------
 include/configs/lp8x4x.h     |  3 +--
 2 files changed, 25 insertions(+), 16 deletions(-)

diff --git a/board/icpdas/lp8x4x/lp8x4x.c b/board/icpdas/lp8x4x/lp8x4x.c
index aea18aa..a136dc4 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
 
diff --git a/include/configs/lp8x4x.h b/include/configs/lp8x4x.h
index 4b70cc4..8e58fea 100644
--- a/include/configs/lp8x4x.h
+++ b/include/configs/lp8x4x.h
@@ -184,7 +184,7 @@
 #define	CONFIG_SYS_GAFR1_L_VAL	0x999a955a
 #define	CONFIG_SYS_GAFR1_U_VAL	0xaaa5a00a
 #define	CONFIG_SYS_GAFR2_L_VAL	0xaaaaaaaa
-#define	CONFIG_SYS_GAFR2_U_VAL	0x55f0a402
+#define	CONFIG_SYS_GAFR2_U_VAL	0x55f9a402
 #define	CONFIG_SYS_GAFR3_L_VAL	0x540a950c
 #define	CONFIG_SYS_GAFR3_U_VAL	0x00001599
 
@@ -232,7 +232,6 @@
  */
 #ifdef	CONFIG_CMD_USB
 #define	CONFIG_USB_OHCI_NEW
-#define	CONFIG_SYS_USB_OHCI_CPU_INIT
 #define	CONFIG_SYS_USB_OHCI_BOARD_INIT
 #define	CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
 #define	CONFIG_SYS_USB_OHCI_REGS_BASE	0x4C000000
-- 
1.8.5.1