120 lines
2.8 KiB
Diff
120 lines
2.8 KiB
Diff
--- a/drivers/ssb/Kconfig
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+++ b/drivers/ssb/Kconfig
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@@ -105,6 +105,12 @@
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If unsure, say N
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+# Assumption: We are on embedded, if we compile the MIPS core.
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+config SSB_EMBEDDED
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+ bool
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+ depends on SSB_DRIVER_MIPS
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+ default y
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+
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config SSB_DRIVER_EXTIF
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bool "SSB Broadcom EXTIF core driver (EXPERIMENTAL)"
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depends on SSB_DRIVER_MIPS && EXPERIMENTAL
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--- a/drivers/ssb/Makefile
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+++ b/drivers/ssb/Makefile
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@@ -1,5 +1,6 @@
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# core
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ssb-y += main.o scan.o
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+ssb-$(CONFIG_SSB_EMBEDDED) += embedded.o
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# host support
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ssb-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o
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--- a/drivers/ssb/driver_extif.c
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+++ b/drivers/ssb/driver_extif.c
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@@ -37,6 +37,12 @@
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return value;
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}
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+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
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+ u32 ticks)
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+{
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+ extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
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+}
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+
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#ifdef CONFIG_SSB_SERIAL
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static bool serial_exists(u8 *regs)
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{
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--- /dev/null
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+++ b/drivers/ssb/embedded.c
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@@ -0,0 +1,26 @@
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+/*
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+ * Sonics Silicon Backplane
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+ * Embedded systems support code
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+ *
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+ * Copyright 2005-2008, Broadcom Corporation
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+ * Copyright 2006-2008, Michael Buesch <mb@bu3sch.de>
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+ *
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+ * Licensed under the GNU/GPL. See COPYING for details.
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+ */
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+
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+#include <linux/ssb/ssb.h>
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+#include <linux/ssb/ssb_embedded.h>
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+
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+
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+int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
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+{
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+ if (ssb_chipco_available(&bus->chipco)) {
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+ ssb_chipco_watchdog_timer_set(&bus->chipco, ticks);
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+ return 0;
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+ }
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+ if (ssb_extif_available(&bus->extif)) {
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+ ssb_extif_watchdog_timer_set(&bus->extif, ticks);
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+ return 0;
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+ }
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+ return -ENODEV;
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+}
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--- a/include/linux/ssb/ssb_driver_chipcommon.h
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+++ b/include/linux/ssb/ssb_driver_chipcommon.h
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@@ -360,6 +360,11 @@
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u16 fast_pwrup_delay;
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};
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+static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
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+{
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+ return (cc->dev != NULL);
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+}
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+
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extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
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#include <linux/pm.h>
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--- a/include/linux/ssb/ssb_driver_extif.h
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+++ b/include/linux/ssb/ssb_driver_extif.h
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@@ -178,6 +178,9 @@
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u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value);
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u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value);
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+extern void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
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+ u32 ticks);
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+
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#ifdef CONFIG_SSB_SERIAL
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extern int ssb_extif_serial_init(struct ssb_extif *extif,
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struct ssb_serial_port *ports);
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@@ -201,5 +204,11 @@
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{
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}
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+static inline
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+void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
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+ u32 ticks)
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+{
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+}
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+
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#endif /* CONFIG_SSB_DRIVER_EXTIF */
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#endif /* LINUX_SSB_EXTIFCORE_H_ */
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--- /dev/null
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+++ b/include/linux/ssb/ssb_embedded.h
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@@ -0,0 +1,10 @@
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+#ifndef LINUX_SSB_EMBEDDED_H_
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+#define LINUX_SSB_EMBEDDED_H_
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+
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+#include <linux/types.h>
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+#include <linux/ssb/ssb.h>
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+
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+
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+extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks);
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+
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+#endif /* LINUX_SSB_EMBEDDED_H_ */
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