fix wrt54gs v4 serial

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1814 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/openwrt/target/linux/linux-2.4/patches/brcm/001-bcm47xx.patch b/openwrt/target/linux/linux-2.4/patches/brcm/001-bcm47xx.patch
index 5328fd1..9734878 100644 (file)
--- a/openwrt/target/linux/linux-2.4/patches/brcm/001-bcm47xx.patch
+++ b/openwrt/target/linux/linux-2.4/patches/brcm/001-bcm47xx.patch
@@ -10576,8 +10576,8 @@ diff -urN linux.old/arch/mips/bcm947xx/prom.c linux.dev/arch/mips/bcm947xx/prom.
 +}
 diff -urN linux.old/arch/mips/bcm947xx/sbmips.c linux.dev/arch/mips/bcm947xx/sbmips.c
 --- linux.old/arch/mips/bcm947xx/sbmips.c      1970-01-01 01:00:00.000000000 +0100
-+++ linux.dev/arch/mips/bcm947xx/sbmips.c      2005-08-30 14:47:52.836470168 +0200
-@@ -0,0 +1,1040 @@
++++ linux.dev/arch/mips/bcm947xx/sbmips.c      2005-09-01 01:30:26.074176728 +0200
+@@ -0,0 +1,1033 @@
 +/*
 + * BCM47XX Sonics SiliconBackplane MIPS core routines
 + *
@@ -10690,13 +10690,6 @@ diff -urN linux.old/arch/mips/bcm947xx/sbmips.c linux.dev/arch/mips/bcm947xx/sbm
 +                              div = 1;
 +                              /* Set the override bit so we don't divide it */
 +                              W_REG(&cc->corecontrol, CC_UARTCLKO);
-+                      } else if ((rev >= 3) && (pll == PLL_TYPE6)) {
-+                              /* Fixed ALP clock */
-+                              baud_base = 20000000;
-+                              div = 2;
-+                              /* Set the override bit so we don't divide it */
-+                              W_REG(&cc->corecontrol, CC_UARTCLKO);
-+                              W_REG(&cc->clkdiv, ((R_REG(&cc->clkdiv) & ~CLKD_UART) | div));
 +                      } else if (rev >= 3) {
 +                              /* Internal backplane clock */
 +                              baud_base = sb_clock(sbh);
@@ -12936,7 +12929,7 @@ diff -urN linux.old/arch/mips/pci/Makefile linux.dev/arch/mips/pci/Makefile
  include $(TOPDIR)/Rules.make
 diff -urN linux.old/drivers/char/serial.c linux.dev/drivers/char/serial.c
 --- linux.old/drivers/char/serial.c    2005-08-26 13:41:41.952594192 +0200
-+++ linux.dev/drivers/char/serial.c    2005-08-26 13:44:34.340387264 +0200
++++ linux.dev/drivers/char/serial.c    2005-09-01 02:33:38.312794792 +0200
 @@ -444,6 +444,10 @@
                return inb(info->port+1);
  #endif
@@ -12958,6 +12951,30 @@ diff -urN linux.old/drivers/char/serial.c linux.dev/drivers/char/serial.c
                break;
        default:
                outb(value, info->port+offset);
+@@ -1728,7 +1735,7 @@
+                       /* Special case since 134 is really 134.5 */
+                       quot = (2*baud_base / 269);
+               else if (baud)
+-                      quot = baud_base / baud;
++                      quot = (baud_base + (baud / 2)) / baud;
+       }
+       /* If the quotient is zero refuse the change */
+       if (!quot && old_termios) {
+@@ -1745,12 +1752,12 @@
+                               /* Special case since 134 is really 134.5 */
+                               quot = (2*baud_base / 269);
+                       else if (baud)
+-                              quot = baud_base / baud;
++                              quot = (baud_base + (baud / 2)) / baud;
+               }
+       }
+       /* As a last resort, if the quotient is zero, default to 9600 bps */
+       if (!quot)
+-              quot = baud_base / 9600;
++              quot = (baud_base + 4800) / 9600;
+       /*
+        * Work around a bug in the Oxford Semiconductor 952 rev B
+        * chip which causes it to seriously miscalculate baud rates
 @@ -5996,6 +6003,13 @@
         *      Divisor, bytesize and parity
         */
@@ -12972,6 +12989,15 @@ diff -urN linux.old/drivers/char/serial.c linux.dev/drivers/char/serial.c
        if (doflow)
                state->flags |= ASYNC_CONS_FLOW;
        info = &async_sercons;
+@@ -6009,7 +6023,7 @@
+       info->io_type = state->io_type;
+       info->iomem_base = state->iomem_base;
+       info->iomem_reg_shift = state->iomem_reg_shift;
+-      quot = state->baud_base / baud;
++      quot = (state->baud_base + (baud / 2)) / baud;
+       cval = cflag & (CSIZE | CSTOPB);
+ #if defined(__powerpc__) || defined(__alpha__)
+       cval >>= 8;
 diff -urN linux.old/drivers/mtd/maps/Config.in linux.dev/drivers/mtd/maps/Config.in
 --- linux.old/drivers/mtd/maps/Config.in       2005-08-26 13:41:41.963592520 +0200
 +++ linux.dev/drivers/mtd/maps/Config.in       2005-08-26 13:44:34.345386504 +0200
@@ -16457,8 +16483,8 @@ diff -urN linux.old/drivers/net/hnd/linux_osl.c linux.dev/drivers/net/hnd/linux_
 +#endif        /* BINOSL */
 diff -urN linux.old/drivers/net/hnd/sbutils.c linux.dev/drivers/net/hnd/sbutils.c
 --- linux.old/drivers/net/hnd/sbutils.c        1970-01-01 01:00:00.000000000 +0100
-+++ linux.dev/drivers/net/hnd/sbutils.c        2005-08-30 15:09:39.322854048 +0200
-@@ -0,0 +1,2063 @@
++++ linux.dev/drivers/net/hnd/sbutils.c        2005-09-01 01:33:48.212447040 +0200
+@@ -0,0 +1,2061 @@
 +/*
 + * Misc utility routines for accessing chip-specific features
 + * of the SiliconBackplane-based Broadcom chips.
@@ -16490,8 +16516,6 @@ diff -urN linux.old/drivers/net/hnd/sbutils.c linux.dev/drivers/net/hnd/sbutils.
 +#define       SB_ERROR(args)
 +
 +
-+#define CLOCK_BASE_5350        12500000 /* Specific to 5350*/
-+
 +typedef uint32 (*sb_intrsoff_t)(void *intr_arg);
 +typedef void (*sb_intrsrestore_t)(void *intr_arg, uint32 arg);
 +typedef bool (*sb_intrsenabled_t)(void *intr_arg);