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openwrt-xburst/target/linux/brcm47xx/patches-3.6/545-bcma-add-bcma_chipco_alp_clock.patch
hauke 9a462204d1 brcm47xx: update watchdog driver
This watchdog driver should work with SoC having a PMU.

This fixes #11720.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34323 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-11-24 20:07:25 +00:00

36 lines
1.0 KiB
Diff

--- a/drivers/bcma/driver_chipcommon.c
+++ b/drivers/bcma/driver_chipcommon.c
@@ -4,6 +4,7 @@
*
* Copyright 2005, Broadcom Corporation
* Copyright 2006, 2007, Michael Buesch <m@bues.ch>
+ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -22,6 +23,14 @@ static inline u32 bcma_cc_write32_masked
return value;
}
+static u32 bcma_chipco_alp_clock(struct bcma_drv_cc *cc)
+{
+ if (cc->capabilities & BCMA_CC_CAP_PMU)
+ return bcma_pmu_alp_clock(cc);
+
+ return 20000000;
+}
+
void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc)
{
if (cc->early_setup_done)
@@ -180,8 +189,7 @@ void bcma_chipco_serial_init(struct bcma
struct bcma_serial_port *ports = cc->serial_ports;
if (ccrev >= 11 && ccrev != 15) {
- /* Fixed ALP clock */
- baud_base = bcma_pmu_alp_clock(cc);
+ baud_base = bcma_chipco_alp_clock(cc);
if (ccrev >= 21) {
/* Turn off UART clock before switching clocksource. */
bcma_cc_write32(cc, BCMA_CC_CORECTL,