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Code

fix wrt54gs v4 serial

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1814 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2005-09-01 01:21:39 +00:00
parent 9e84c60e0f
commit 387b2efd33
1 changed files with 38 additions and 14 deletions
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52
target/linux/linux-2.4/patches/brcm/001-bcm47xx.patch
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@ -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);