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authorMarkus Klotzbuecher <mk@denx.de>2006-05-23 10:33:11 +0200
committerMarkus Klotzbuecher <mk@pollux.denx.de>2006-05-23 10:33:11 +0200
commit24e37645e7378b20fa8f20e2996c8fb8e90c70c9 (patch)
tree466a18dd76abda5b0bd08e90922e3261b780474a /drivers/usb_ohci.c
parent3e326ece9eba8184f5d48aa4fb87760a8f6f0f10 (diff)
More cleanup for the delta board and the generic usb_ohci driver. Added
CFG_USB_BOARD_INIT and CFG_USB_CPU_INIT for enabling board and cpu specific initialization and cleanup hooks respectively.
Diffstat (limited to 'drivers/usb_ohci.c')
-rw-r--r--drivers/usb_ohci.c59
1 files changed, 42 insertions, 17 deletions
diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c
index 4065489f3e7..f5af7192f9f 100644
--- a/drivers/usb_ohci.c
+++ b/drivers/usb_ohci.c
@@ -51,7 +51,10 @@
#include <usb.h>
#include "usb_ohci.h"
-/* #define OHCI_USE_NPS /\* force NoPowerSwitching mode *\/ */
+#ifdef CONFIG_ARM920T
+# define OHCI_USE_NPS /* force NoPowerSwitching mode */
+#endif
+
#undef OHCI_VERBOSE_DEBUG /* not always helpful */
/* For initializing controller (mask in an HCFS mode too) */
@@ -311,9 +314,6 @@ static void ohci_dump_roothub (ohci_t *controller, int verbose)
#ifdef CONFIG_AT91C_PQFP_UHPBUG
ndp = (ndp == 2) ? 1:0;
#endif
-#if 0 /* def CONFIG_CPU_MONAHANS */
- data_buf [2] = (data_buf [2] == 2) ? 3:0;
-#endif
if (verbose) {
dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp,
((temp & RH_A_POTPGT) >> 24) & 0xff,
@@ -1150,19 +1150,13 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe));
#ifdef CONFIG_AT91C_PQFP_UHPBUG
data_buf [2] = (data_buf [2] == 2) ? 1:0;
#endif
-#if 0 /* def CONFIG_CPU_MONAHANS */
- data_buf [2] = (data_buf [2] == 2) ? 3:0;
-#endif
-
data_buf [3] = 0;
if (temp & RH_A_PSM) /* per-port power switching? */
data_buf [3] |= 0x1;
if (temp & RH_A_NOCP) /* no overcurrent reporting? */
data_buf [3] |= 0x10;
-#if 1
else if (temp & RH_A_OCPM) /* per-port overcurrent reporting? */
data_buf [3] |= 0x8;
-#endif
/* corresponds to data_buf[4-7] */
datab [1] = 0;
@@ -1557,10 +1551,18 @@ static char ohci_inited = 0;
int usb_lowlevel_init(void)
{
- /* do board dependant init */
- if(usb_board_init())
+
+#if CFG_USB_CPU_INIT
+ /* cpu dependant init */
+ if(usb_cpu_init())
return -1;
+#endif
+#if CFG_USB_BOARD_INIT
+ /* board dependant init */
+ if(usb_board_init())
+ return -1;
+#endif
memset (&gohci, 0, sizeof (ohci_t));
memset (&urb_priv, 0, sizeof (urb_priv_t));
@@ -1588,28 +1590,43 @@ int usb_lowlevel_init(void)
gohci.disabled = 1;
gohci.sleeping = 0;
gohci.irq = -1;
- gohci.regs = (struct ohci_regs *)OHCI_REGS_BASE;
+ gohci.regs = (struct ohci_regs *)CFG_USB_OHCI_REGS_BASE;
gohci.flags = 0;
- gohci.slot_name = "delta/zylonite";
+ gohci.slot_name = CFG_USB_SLOT_NAME;
if (hc_reset (&gohci) < 0) {
hc_release_ohci (&gohci);
err ("can't reset usb-%s", gohci.slot_name);
/* Initialization failed disable clocks */
- CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC);
+#if CFG_USB_BOARD_INIT
+ /* board dependant cleanup */
+ usb_board_stop();
+#endif
+
+#if CFG_USB_CPU_INIT
+ /* cpu dependant cleanup */
+ usb_cpu_stop();
+#endif
return -1;
}
/* FIXME this is a second HC reset; why?? */
/* writel(gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control);
wait_ms(10); */
-
if (hc_start (&gohci) < 0) {
err ("can't start usb-%s", gohci.slot_name);
hc_release_ohci (&gohci);
/* Initialization failed */
- CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC);
+#if CFG_USB_BOARD_INIT
+ /* board dependant cleanup */
+ usb_board_stop();
+#endif
+
+#if CFG_USB_CPU_INIT
+ /* cpu dependant cleanup */
+ usb_cpu_stop();
+#endif
return -1;
}
@@ -1632,9 +1649,17 @@ int usb_lowlevel_stop(void)
/* call hc_release_ohci() here ? */
hc_reset (&gohci);
+#if CFG_USB_BOARD_INIT
/* board dependant cleanup */
if(usb_board_stop())
return -1;
+#endif
+
+#if CFG_USB_CPU_INIT
+ /* cpu dependant cleanup */
+ if(usb_cpu_stop())
+ return -1;
+#endif
return 0;
}