USB: musb: add Blackfin specific configuration to MUSB

Some config registers are not avaiable in Blackfin, we have to comment them out.

v1-v2:
 - remove Blackfin specific header file
 - add Blackfin register version to musb_regs.h header file

Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 18 insertions, 34 deletions

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 83720f61fdb..6c7faacfb53 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -148,7 +148,8 @@ static inline struct musb *dev_to_musb(struct device *dev)
 
 /*-------------------------------------------------------------------------*/
 
-#ifndef CONFIG_USB_TUSB6010
+#if !defined(CONFIG_USB_TUSB6010) && !defined(CONFIG_BLACKFIN)
+
 /*
  * Load an endpoint's FIFO
  */
@@ -1124,25 +1125,25 @@ fifo_setup(struct musb *musb, struct musb_hw_ep  *hw_ep,
 #endif
         switch (cfg->style) {
         case FIFO_TX:
-                musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
-                musb_writew(mbase, MUSB_TXFIFOADD, c_off);
+                musb_write_txfifosz(mbase, c_size);
+                musb_write_txfifoadd(mbase, c_off);
                 hw_ep->tx_double_buffered = !!(c_size & MUSB_FIFOSZ_DPB);
                 hw_ep->max_packet_sz_tx = maxpacket;
                 break;
         case FIFO_RX:
-                musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
-                musb_writew(mbase, MUSB_RXFIFOADD, c_off);
+                musb_write_rxfifosz(mbase, c_size);
+                musb_write_rxfifoadd(mbase, c_off);
                 hw_ep->rx_double_buffered = !!(c_size & MUSB_FIFOSZ_DPB);
                 hw_ep->max_packet_sz_rx = maxpacket;
                 break;
         case FIFO_RXTX:
-                musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
-                musb_writew(mbase, MUSB_TXFIFOADD, c_off);
+                musb_write_txfifosz(mbase, c_size);
+                musb_write_txfifoadd(mbase, c_off);
                 hw_ep->rx_double_buffered = !!(c_size & MUSB_FIFOSZ_DPB);
                 hw_ep->max_packet_sz_rx = maxpacket;
 
-                musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
-                musb_writew(mbase, MUSB_RXFIFOADD, c_off);
+                musb_write_rxfifosz(mbase, c_size);
+                musb_write_rxfifoadd(mbase, c_off);
                 hw_ep->tx_double_buffered = hw_ep->rx_double_buffered;
                 hw_ep->max_packet_sz_tx = maxpacket;
 
@@ -1246,9 +1247,10 @@ static int __init ep_config_from_table(struct musb *musb)
  */
 static int __init ep_config_from_hw(struct musb *musb)
 {
-        u8 epnum = 0, reg;
+        u8 epnum = 0;
         struct musb_hw_ep *hw_ep;
         void *mbase = musb->mregs;
+        int ret = 0;
 
         DBG(2, "<== static silicon ep config\n");
 
@@ -1258,26 +1260,9 @@ static int __init ep_config_from_hw(struct musb *musb)
                 musb_ep_select(mbase, epnum);
                 hw_ep = musb->endpoints + epnum;
 
-                /* read from core using indexed model */
-                reg = musb_readb(hw_ep->regs, 0x10 + MUSB_FIFOSIZE);
-                if (!reg) {
-                        /* 0's returned when no more endpoints */
+                ret = musb_read_fifosize(musb, hw_ep, epnum);
+                if (ret < 0)
                         break;
-                }
-                musb->nr_endpoints++;
-                musb->epmask |= (1 << epnum);
-
-                hw_ep->max_packet_sz_tx = 1 << (reg & 0x0f);
-
-                /* shared TX/RX FIFO? */
-                if ((reg & 0xf0) == 0xf0) {
-                        hw_ep->max_packet_sz_rx = hw_ep->max_packet_sz_tx;
-                        hw_ep->is_shared_fifo = true;
-                        continue;
-                } else {
-                        hw_ep->max_packet_sz_rx = 1 << ((reg & 0xf0) >> 4);
-                        hw_ep->is_shared_fifo = false;
-                }
 
                 /* FIXME set up hw_ep->{rx,tx}_double_buffered */
 
@@ -1326,7 +1311,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
 
         /* log core options (read using indexed model) */
         musb_ep_select(mbase, 0);
-        reg = musb_readb(mbase, 0x10 + MUSB_CONFIGDATA);
+        reg = musb_read_configdata(mbase);
 
         strcpy(aInfo, (reg & MUSB_CONFIGDATA_UTMIDW) ? "UTMI-16" : "UTMI-8");
         if (reg & MUSB_CONFIGDATA_DYNFIFO)
@@ -1391,7 +1376,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
         }
 
         /* log release info */
-        hwvers = musb_readw(mbase, MUSB_HWVERS);
+        hwvers = musb_read_hwvers(mbase);
         rev_major = (hwvers >> 10) & 0x1f;
         rev_minor = hwvers & 0x3ff;
         snprintf(aRevision, 32, "%d.%d%s", rev_major,
@@ -1400,8 +1385,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
                         musb_driver_name, type, aRevision, aDate);
 
         /* configure ep0 */
-        musb->endpoints[0].max_packet_sz_tx = MUSB_EP0_FIFOSIZE;
-        musb->endpoints[0].max_packet_sz_rx = MUSB_EP0_FIFOSIZE;
+        musb_configure_ep0(musb);
 
         /* discover endpoint configuration */
         musb->nr_endpoints = 1;
@@ -1445,7 +1429,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
 
                 hw_ep->regs = MUSB_EP_OFFSET(i, 0) + mbase;
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
-                hw_ep->target_regs = MUSB_BUSCTL_OFFSET(i, 0) + mbase;
+                hw_ep->target_regs = musb_read_target_reg_base(i, mbase);
                 hw_ep->rx_reinit = 1;
                 hw_ep->tx_reinit = 1;
 #endif