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arm: pxa: fix LP-8x4x USB support

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Signed-off-by: Sergei Ianovich <ynvich@gmail.com>
CC: Marek Vasut <marex@denx.de>
This commit is contained in:
Sergei Ianovich 2013-12-18 20:19:20 +04:00 committed by Marek Vasut
parent 23f00caf6e
commit a3d6ca4323
2 changed files with 25 additions and 16 deletions
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38
board/icpdas/lp8x4x/lp8x4x.c
View File

@ -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

3
include/configs/lp8x4x.h
View File

@ -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