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-rw-r--r--arch/sh/include/asm/clkdev.h35
-rw-r--r--arch/sh/include/asm/clock.h7
-rw-r--r--arch/sh/kernel/Makefile2
-rw-r--r--arch/sh/kernel/clkdev.c169
-rw-r--r--arch/sh/kernel/cpu/clock.c55
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7343.c8
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7366.c6
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7722.c6
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7723.c12
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7724.c12
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7785.c12
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7786.c12
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7343.c4
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7366.c1
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7722.c3
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7723.c6
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7724.c6
-rw-r--r--arch/sh/kernel/cpu/sh4a/setup-sh7785.c6
-rw-r--r--arch/sh/mm/uncached.c5
-rw-r--r--drivers/serial/sh-sci.c57
-rw-r--r--drivers/sh/intc.c31
21 files changed, 312 insertions, 143 deletions
diff --git a/arch/sh/include/asm/clkdev.h b/arch/sh/include/asm/clkdev.h
new file mode 100644
index 00000000000..5645f358128
--- /dev/null
+++ b/arch/sh/include/asm/clkdev.h
@@ -0,0 +1,35 @@
+/*
+ * arch/sh/include/asm/clkdev.h
+ *
+ * Cloned from arch/arm/include/asm/clkdev.h:
+ *
+ * Copyright (C) 2008 Russell King.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Helper for the clk API to assist looking up a struct clk.
+ */
+#ifndef __ASM_CLKDEV_H
+#define __ASM_CLKDEV_H
+
+struct clk;
+
+struct clk_lookup {
+ struct list_head node;
+ const char *dev_id;
+ const char *con_id;
+ struct clk *clk;
+};
+
+struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
+ const char *dev_fmt, ...);
+
+void clkdev_add(struct clk_lookup *cl);
+void clkdev_drop(struct clk_lookup *cl);
+
+void clkdev_add_table(struct clk_lookup *, size_t);
+int clk_add_alias(const char *, const char *, char *, struct device *);
+
+#endif
diff --git a/arch/sh/include/asm/clock.h b/arch/sh/include/asm/clock.h
index 11da4c5beb6..4b19179230f 100644
--- a/arch/sh/include/asm/clock.h
+++ b/arch/sh/include/asm/clock.h
@@ -45,13 +45,6 @@ struct clk {
struct cpufreq_frequency_table *freq_table;
};
-struct clk_lookup {
- struct list_head node;
- const char *dev_id;
- const char *con_id;
- struct clk *clk;
-};
-
#define CLK_ENABLE_ON_INIT (1 << 0)
/* Should be defined by processor-specific code */
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index 02fd3ae8b0e..650b92f00ee 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -11,7 +11,7 @@ endif
CFLAGS_REMOVE_return_address.o = -pg
-obj-y := debugtraps.o dma-nommu.o dumpstack.o \
+obj-y := clkdev.o debugtraps.o dma-nommu.o dumpstack.o \
idle.o io.o io_generic.o irq.o \
irq_$(BITS).o machvec.o nmi_debug.o process.o \
process_$(BITS).o ptrace_$(BITS).o \
diff --git a/arch/sh/kernel/clkdev.c b/arch/sh/kernel/clkdev.c
new file mode 100644
index 00000000000..defdd6e3090
--- /dev/null
+++ b/arch/sh/kernel/clkdev.c
@@ -0,0 +1,169 @@
+/*
+ * arch/sh/kernel/clkdev.c
+ *
+ * Cloned from arch/arm/common/clkdev.c:
+ *
+ * Copyright (C) 2008 Russell King.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Helper for the clk API to assist looking up a struct clk.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/mutex.h>
+#include <linux/clk.h>
+#include <linux/slab.h>
+#include <linux/bootmem.h>
+#include <linux/mm.h>
+#include <asm/clock.h>
+#include <asm/clkdev.h>
+
+static LIST_HEAD(clocks);
+static DEFINE_MUTEX(clocks_mutex);
+
+/*
+ * Find the correct struct clk for the device and connection ID.
+ * We do slightly fuzzy matching here:
+ * An entry with a NULL ID is assumed to be a wildcard.
+ * If an entry has a device ID, it must match
+ * If an entry has a connection ID, it must match
+ * Then we take the most specific entry - with the following
+ * order of precidence: dev+con > dev only > con only.
+ */
+static struct clk *clk_find(const char *dev_id, const char *con_id)
+{
+ struct clk_lookup *p;
+ struct clk *clk = NULL;
+ int match, best = 0;
+
+ list_for_each_entry(p, &clocks, node) {
+ match = 0;
+ if (p->dev_id) {
+ if (!dev_id || strcmp(p->dev_id, dev_id))
+ continue;
+ match += 2;
+ }
+ if (p->con_id) {
+ if (!con_id || strcmp(p->con_id, con_id))
+ continue;
+ match += 1;
+ }
+ if (match == 0)
+ continue;
+
+ if (match > best) {
+ clk = p->clk;
+ best = match;
+ }
+ }
+ return clk;
+}
+
+struct clk *clk_get_sys(const char *dev_id, const char *con_id)
+{
+ struct clk *clk;
+
+ mutex_lock(&clocks_mutex);
+ clk = clk_find(dev_id, con_id);
+ mutex_unlock(&clocks_mutex);
+
+ return clk ? clk : ERR_PTR(-ENOENT);
+}
+EXPORT_SYMBOL(clk_get_sys);
+
+void clkdev_add(struct clk_lookup *cl)
+{
+ mutex_lock(&clocks_mutex);
+ list_add_tail(&cl->node, &clocks);
+ mutex_unlock(&clocks_mutex);
+}
+EXPORT_SYMBOL(clkdev_add);
+
+void __init clkdev_add_table(struct clk_lookup *cl, size_t num)
+{
+ mutex_lock(&clocks_mutex);
+ while (num--) {
+ list_add_tail(&cl->node, &clocks);
+ cl++;
+ }
+ mutex_unlock(&clocks_mutex);
+}
+
+#define MAX_DEV_ID 20
+#define MAX_CON_ID 16
+
+struct clk_lookup_alloc {
+ struct clk_lookup cl;
+ char dev_id[MAX_DEV_ID];
+ char con_id[MAX_CON_ID];
+};
+
+struct clk_lookup * __init_refok
+clkdev_alloc(struct clk *clk, const char *con_id, const char *dev_fmt, ...)
+{
+ struct clk_lookup_alloc *cla;
+
+ if (!slab_is_available())
+ cla = alloc_bootmem_low_pages(sizeof(*cla));
+ else
+ cla = kzalloc(sizeof(*cla), GFP_KERNEL);
+
+ if (!cla)
+ return NULL;
+
+ cla->cl.clk = clk;
+ if (con_id) {
+ strlcpy(cla->con_id, con_id, sizeof(cla->con_id));
+ cla->cl.con_id = cla->con_id;
+ }
+
+ if (dev_fmt) {
+ va_list ap;
+
+ va_start(ap, dev_fmt);
+ vscnprintf(cla->dev_id, sizeof(cla->dev_id), dev_fmt, ap);
+ cla->cl.dev_id = cla->dev_id;
+ va_end(ap);
+ }
+
+ return &cla->cl;
+}
+EXPORT_SYMBOL(clkdev_alloc);
+
+int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
+ struct device *dev)
+{
+ struct clk *r = clk_get(dev, id);
+ struct clk_lookup *l;
+
+ if (IS_ERR(r))
+ return PTR_ERR(r);
+
+ l = clkdev_alloc(r, alias, alias_dev_name);
+ clk_put(r);
+ if (!l)
+ return -ENODEV;
+ clkdev_add(l);
+ return 0;
+}
+EXPORT_SYMBOL(clk_add_alias);
+
+/*
+ * clkdev_drop - remove a clock dynamically allocated
+ */
+void clkdev_drop(struct clk_lookup *cl)
+{
+ mutex_lock(&clocks_mutex);
+ list_del(&cl->node);
+ mutex_unlock(&clocks_mutex);
+ kfree(cl);
+}
+EXPORT_SYMBOL(clkdev_drop);
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 83da5debeed..9ded1bc2926 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -10,10 +10,6 @@
*
* Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
*
- * With clkdev bits:
- *
- * Copyright (C) 2008 Russell King.
- *
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
@@ -30,6 +26,7 @@
#include <linux/platform_device.h>
#include <linux/debugfs.h>
#include <linux/cpufreq.h>
+#include <linux/clk.h>
#include <asm/clock.h>
#include <asm/machvec.h>
@@ -398,56 +395,6 @@ long clk_round_rate(struct clk *clk, unsigned long rate)
EXPORT_SYMBOL_GPL(clk_round_rate);
/*
- * Find the correct struct clk for the device and connection ID.
- * We do slightly fuzzy matching here:
- * An entry with a NULL ID is assumed to be a wildcard.
- * If an entry has a device ID, it must match
- * If an entry has a connection ID, it must match
- * Then we take the most specific entry - with the following
- * order of precidence: dev+con > dev only > con only.
- */
-static struct clk *clk_find(const char *dev_id, const char *con_id)
-{
- struct clk_lookup *p;
- struct clk *clk = NULL;
- int match, best = 0;
-
- list_for_each_entry(p, &clock_list, node) {
- match = 0;
- if (p->dev_id) {
- if (!dev_id || strcmp(p->dev_id, dev_id))
- continue;
- match += 2;
- }
- if (p->con_id) {
- if (!con_id || strcmp(p->con_id, con_id))
- continue;
- match += 1;
- }
- if (match == 0)
- continue;
-
- if (match > best) {
- clk = p->clk;
- best = match;
- }
- }
- return clk;
-}
-
-struct clk *clk_get_sys(const char *dev_id, const char *con_id)
-{
- struct clk *clk;
-
- mutex_lock(&clock_list_sem);
- clk = clk_find(dev_id, con_id);
- mutex_unlock(&clock_list_sem);
-
- return clk ? clk : ERR_PTR(-ENOENT);
-}
-EXPORT_SYMBOL_GPL(clk_get_sys);
-
-/*
* Returns a clock. Note that we first try to use device id on the bus
* and clock name. If this fails, we try to use clock name only.
*/
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
index 2c16df37eda..c541301c7f2 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c
@@ -159,10 +159,10 @@ static struct clk mstp_clks[] = {
MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0),
MSTP("mfi0", &div4_clks[DIV4_P], MSTPCR0, 11, 0),
MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0),
- MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 7, 0),
- MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 6, 0),
- MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 5, 0),
- MSTP("scif3", &div4_clks[DIV4_P], MSTPCR0, 4, 0),
+ SH_CLK_MSTP32("sci_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 7, 0),
+ SH_CLK_MSTP32("sci_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 6, 0),
+ SH_CLK_MSTP32("sci_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 5, 0),
+ SH_CLK_MSTP32("sci_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 4, 0),
MSTP("sio0", &div4_clks[DIV4_P], MSTPCR0, 3, 0),
MSTP("siof0", &div4_clks[DIV4_P], MSTPCR0, 2, 0),
MSTP("siof1", &div4_clks[DIV4_P], MSTPCR0, 1, 0),
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7366.c b/arch/sh/kernel/cpu/sh4a/clock-sh7366.c
index 91588d280cd..e10c64fd809 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7366.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7366.c
@@ -163,9 +163,9 @@ static struct clk mstp_clks[] = {
MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0),
MSTP("mfi0", &div4_clks[DIV4_P], MSTPCR0, 11, 0),
MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0),
- MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 7, 0),
- MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 6, 0),
- MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 5, 0),
+ SH_CLK_MSTP32("sci_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 7, 0),
+ SH_CLK_MSTP32("sci_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 6, 0),
+ SH_CLK_MSTP32("sci_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 5, 0),
MSTP("msiof0", &div4_clks[DIV4_P], MSTPCR0, 2, 0),
MSTP("sbr0", &div4_clks[DIV4_P], MSTPCR0, 1, 0),
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
index 15db6d521c5..0732c8bab1e 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c
@@ -164,9 +164,9 @@ static struct clk mstp_clks[] = {
SH_HWBLK_CLK("cmt0", -1, R_CLK, HWBLK_CMT, 0),
SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0),
SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0),
- SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0),
- SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0),
- SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0),
+ SH_HWBLK_CLK("sci_fck", 0, P_CLK, HWBLK_SCIF0, 0),
+ SH_HWBLK_CLK("sci_fck", 1, P_CLK, HWBLK_SCIF1, 0),
+ SH_HWBLK_CLK("sci_fck", 2, P_CLK, HWBLK_SCIF2, 0),
SH_HWBLK_CLK("i2c0", -1, P_CLK, HWBLK_IIC, 0),
SH_HWBLK_CLK("rtc0", -1, R_CLK, HWBLK_RTC, 0),
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
index 50babe01fe4..4d4c123d02c 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c
@@ -177,12 +177,12 @@ static struct clk mstp_clks[] = {
SH_HWBLK_CLK("dmac1", -1, B_CLK, HWBLK_DMAC1, 0),
SH_HWBLK_CLK("tmu1", -1, P_CLK, HWBLK_TMU1, 0),
SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0),
- SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0),
- SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0),
- SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0),
- SH_HWBLK_CLK("scif3", -1, B_CLK, HWBLK_SCIF3, 0),
- SH_HWBLK_CLK("scif4", -1, B_CLK, HWBLK_SCIF4, 0),
- SH_HWBLK_CLK("scif5", -1, B_CLK, HWBLK_SCIF5, 0),
+ SH_HWBLK_CLK("sci_fck", 0, P_CLK, HWBLK_SCIF0, 0),
+ SH_HWBLK_CLK("sci_fck", 1, P_CLK, HWBLK_SCIF1, 0),
+ SH_HWBLK_CLK("sci_fck", 2, P_CLK, HWBLK_SCIF2, 0),
+ SH_HWBLK_CLK("sci_fck", 3, B_CLK, HWBLK_SCIF3, 0),
+ SH_HWBLK_CLK("sci_fck", 4, B_CLK, HWBLK_SCIF4, 0),
+ SH_HWBLK_CLK("sci_fck", 5, B_CLK, HWBLK_SCIF5, 0),
SH_HWBLK_CLK("msiof0", -1, B_CLK, HWBLK_MSIOF0, 0),
SH_HWBLK_CLK("msiof1", -1, B_CLK, HWBLK_MSIOF1, 0),
SH_HWBLK_CLK("meram0", -1, SH_CLK, HWBLK_MERAM, 0),
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 6707061fbf5..bcf2b97db30 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -194,12 +194,12 @@ static struct clk mstp_clks[] = {
SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0),
SH_HWBLK_CLK("dmac1", -1, B_CLK, HWBLK_DMAC1, 0),
SH_HWBLK_CLK("tmu1", -1, P_CLK, HWBLK_TMU1, 0),
- SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0),
- SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0),
- SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0),
- SH_HWBLK_CLK("scif3", -1, B_CLK, HWBLK_SCIF3, 0),
- SH_HWBLK_CLK("scif4", -1, B_CLK, HWBLK_SCIF4, 0),
- SH_HWBLK_CLK("scif5", -1, B_CLK, HWBLK_SCIF5, 0),
+ SH_HWBLK_CLK("sci_fck", 0, P_CLK, HWBLK_SCIF0, 0),
+ SH_HWBLK_CLK("sci_fck", 1, P_CLK, HWBLK_SCIF1, 0),
+ SH_HWBLK_CLK("sci_fck", 2, P_CLK, HWBLK_SCIF2, 0),
+ SH_HWBLK_CLK("sci_fck", 3, B_CLK, HWBLK_SCIF3, 0),
+ SH_HWBLK_CLK("sci_fck", 4, B_CLK, HWBLK_SCIF4, 0),
+ SH_HWBLK_CLK("sci_fck", 5, B_CLK, HWBLK_SCIF5, 0),
SH_HWBLK_CLK("msiof0", -1, B_CLK, HWBLK_MSIOF0, 0),
SH_HWBLK_CLK("msiof1", -1, B_CLK, HWBLK_MSIOF1, 0),
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
index d997f0a25b1..6061c736c28 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
@@ -88,12 +88,12 @@ struct clk div4_clks[DIV4_NR] = {
static struct clk mstp_clks[] = {
/* MSTPCR0 */
- SH_CLK_MSTP32("scif_fck", 5, &div4_clks[DIV4_P], MSTPCR0, 29, 0),
- SH_CLK_MSTP32("scif_fck", 4, &div4_clks[DIV4_P], MSTPCR0, 28, 0),
- SH_CLK_MSTP32("scif_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 27, 0),
- SH_CLK_MSTP32("scif_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 26, 0),
- SH_CLK_MSTP32("scif_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 25, 0),
- SH_CLK_MSTP32("scif_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 24, 0),
+ SH_CLK_MSTP32("sci_fck", 5, &div4_clks[DIV4_P], MSTPCR0, 29, 0),
+ SH_CLK_MSTP32("sci_fck", 4, &div4_clks[DIV4_P], MSTPCR0, 28, 0),
+ SH_CLK_MSTP32("sci_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 27, 0),
+ SH_CLK_MSTP32("sci_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 26, 0),
+ SH_CLK_MSTP32("sci_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 25, 0),
+ SH_CLK_MSTP32("sci_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 24, 0),
SH_CLK_MSTP32("ssi_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 21, 0),
SH_CLK_MSTP32("ssi_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 20, 0),
SH_CLK_MSTP32("hac_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 17, 0),
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c
index af69fd46870..85e8d57f497 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c
@@ -87,12 +87,12 @@ struct clk div4_clks[DIV4_NR] = {
static struct clk mstp_clks[] = {
/* MSTPCR0 */
- SH_CLK_MSTP32("scif_fck", 5, &div4_clks[DIV4_P], MSTPCR0, 29, 0),
- SH_CLK_MSTP32("scif_fck", 4, &div4_clks[DIV4_P], MSTPCR0, 28, 0),
- SH_CLK_MSTP32("scif_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 27, 0),
- SH_CLK_MSTP32("scif_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 26, 0),
- SH_CLK_MSTP32("scif_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 25, 0),
- SH_CLK_MSTP32("scif_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 24, 0),
+ SH_CLK_MSTP32("sci_fck", 5, &div4_clks[DIV4_P], MSTPCR0, 29, 0),
+ SH_CLK_MSTP32("sci_fck", 4, &div4_clks[DIV4_P], MSTPCR0, 28, 0),
+ SH_CLK_MSTP32("sci_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 27, 0),
+ SH_CLK_MSTP32("sci_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 26, 0),
+ SH_CLK_MSTP32("sci_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 25, 0),
+ SH_CLK_MSTP32("sci_fck", 0, &div4_clks[DIV4_P], MSTPCR0, 24, 0),
SH_CLK_MSTP32("ssi_fck", 3, &div4_clks[DIV4_P], MSTPCR0, 23, 0),
SH_CLK_MSTP32("ssi_fck", 2, &div4_clks[DIV4_P], MSTPCR0, 22, 0),
SH_CLK_MSTP32("ssi_fck", 1, &div4_clks[DIV4_P], MSTPCR0, 21, 0),
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
index fdbd7d07a69..6f8394942fc 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
@@ -21,7 +21,6 @@ static struct plat_sci_port scif0_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 80, 80, 80, 80 },
- .clk = "scif0",
};
static struct platform_device scif0_device = {
@@ -37,7 +36,6 @@ static struct plat_sci_port scif1_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 81, 81, 81, 81 },
- .clk = "scif1",
};
static struct platform_device scif1_device = {
@@ -53,7 +51,6 @@ static struct plat_sci_port scif2_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 82, 82, 82, 82 },
- .clk = "scif2",
};
static struct platform_device scif2_device = {
@@ -69,7 +66,6 @@ static struct plat_sci_port scif3_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 83, 83, 83, 83 },
- .clk = "scif3",
};
static struct platform_device scif3_device = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
index d90fe0a65c2..1d897ed256b 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
@@ -23,7 +23,6 @@ static struct plat_sci_port scif0_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 80, 80, 80, 80 },
- .clk = "scif0",
};
static struct platform_device scif0_device = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 83ae9ad1987..847a27619af 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -174,7 +174,6 @@ static struct plat_sci_port scif0_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 80, 80, 80, 80 },
- .clk = "scif0",
};
static struct platform_device scif0_device = {
@@ -190,7 +189,6 @@ static struct plat_sci_port scif1_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 81, 81, 81, 81 },
- .clk = "scif1",
};
static struct platform_device scif1_device = {
@@ -206,7 +204,6 @@ static struct plat_sci_port scif2_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 82, 82, 82, 82 },
- .clk = "scif2",
};
static struct platform_device scif2_device = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
index 68446b3f06a..187462b51be 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
@@ -26,7 +26,6 @@ static struct plat_sci_port scif0_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 80, 80, 80, 80 },
- .clk = "scif0",
};
static struct platform_device scif0_device = {
@@ -42,7 +41,6 @@ static struct plat_sci_port scif1_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 81, 81, 81, 81 },
- .clk = "scif1",
};
static struct platform_device scif1_device = {
@@ -58,7 +56,6 @@ static struct plat_sci_port scif2_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 82, 82, 82, 82 },
- .clk = "scif2",
};
static struct platform_device scif2_device = {
@@ -74,7 +71,6 @@ static struct plat_sci_port scif3_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIFA,
.irqs = { 56, 56, 56, 56 },
- .clk = "scif3",
};
static struct platform_device scif3_device = {
@@ -90,7 +86,6 @@ static struct plat_sci_port scif4_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIFA,
.irqs = { 88, 88, 88, 88 },
- .clk = "scif4",
};
static struct platform_device scif4_device = {
@@ -106,7 +101,6 @@ static struct plat_sci_port scif5_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIFA,
.irqs = { 109, 109, 109, 109 },
- .clk = "scif5",
};
static struct platform_device scif5_device = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index abc98b0fef9..ee978900319 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -213,7 +213,6 @@ static struct plat_sci_port scif0_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 80, 80, 80, 80 },
- .clk = "scif0",
};
static struct platform_device scif0_device = {
@@ -229,7 +228,6 @@ static struct plat_sci_port scif1_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 81, 81, 81, 81 },
- .clk = "scif1",
};
static struct platform_device scif1_device = {
@@ -245,7 +243,6 @@ static struct plat_sci_port scif2_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 82, 82, 82, 82 },
- .clk = "scif2",
};
static struct platform_device scif2_device = {
@@ -261,7 +258,6 @@ static struct plat_sci_port scif3_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIFA,
.irqs = { 56, 56, 56, 56 },
- .clk = "scif3",
};
static struct platform_device scif3_device = {
@@ -277,7 +273,6 @@ static struct plat_sci_port scif4_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIFA,
.irqs = { 88, 88, 88, 88 },
- .clk = "scif4",
};
static struct platform_device scif4_device = {
@@ -293,7 +288,6 @@ static struct plat_sci_port scif5_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIFA,
.irqs = { 109, 109, 109, 109 },
- .clk = "scif5",
};
static struct platform_device scif5_device = {
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index 05e9308505c..76afe571f3a 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -25,7 +25,6 @@ static struct plat_sci_port scif0_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 40, 40, 40, 40 },
- .clk = "scif_fck",
};
static struct platform_device scif0_device = {
@@ -41,7 +40,6 @@ static struct plat_sci_port scif1_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 44, 44, 44, 44 },
- .clk = "scif_fck",
};
static struct platform_device scif1_device = {
@@ -57,7 +55,6 @@ static struct plat_sci_port scif2_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 60, 60, 60, 60 },
- .clk = "scif_fck",
};
static struct platform_device scif2_device = {
@@ -73,7 +70,6 @@ static struct plat_sci_port scif3_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 61, 61, 61, 61 },
- .clk = "scif_fck",
};
static struct platform_device scif3_device = {
@@ -89,7 +85,6 @@ static struct plat_sci_port scif4_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 62, 62, 62, 62 },
- .clk = "scif_fck",
};
static struct platform_device scif4_device = {
@@ -105,7 +100,6 @@ static struct plat_sci_port scif5_platform_data = {
.flags = UPF_BOOT_AUTOCONF,
.type = PORT_SCIF,
.irqs = { 63, 63, 63, 63 },
- .clk = "scif_fck",
};
static struct platform_device scif5_device = {
diff --git a/arch/sh/mm/uncached.c b/arch/sh/mm/uncached.c
index cf20a5c5136..2ef57efeb22 100644
--- a/arch/sh/mm/uncached.c
+++ b/arch/sh/mm/uncached.c
@@ -1,6 +1,7 @@
#include <linux/init.h>
#include <asm/sizes.h>
#include <asm/page.h>
+#include <asm/addrspace.h>
/*
* This is the offset of the uncached section from its cached alias.
@@ -23,7 +24,11 @@ int virt_addr_uncached(unsigned long kaddr)
void __init uncached_init(void)
{
+#ifdef CONFIG_29BIT
+ uncached_start = P2SEG;
+#else
uncached_start = memory_end;
+#endif
uncached_end = uncached_start + uncached_size;
}
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 980f39449ee..054a8427c73 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -83,8 +83,8 @@ struct sci_port {
/* Interface clock */
struct clk *iclk;
- /* Data clock */
- struct clk *dclk;
+ /* Function clock */
+ struct clk *fclk;
struct list_head node;
struct dma_chan *chan_tx;
@@ -803,7 +803,7 @@ static int sci_notifier(struct notifier_block *self,
(phase == CPUFREQ_RESUMECHANGE)) {
spin_lock_irqsave(&priv->lock, flags);
list_for_each_entry(sci_port, &priv->ports, node)
- sci_port->port.uartclk = clk_get_rate(sci_port->dclk);
+ sci_port->port.uartclk = clk_get_rate(sci_port->iclk);
spin_unlock_irqrestore(&priv->lock, flags);
}
@@ -814,21 +814,17 @@ static void sci_clk_enable(struct uart_port *port)
{
struct sci_port *sci_port = to_sci_port(port);
- clk_enable(sci_port->dclk);
- sci_port->port.uartclk = clk_get_rate(sci_port->dclk);
-
- if (sci_port->iclk)
- clk_enable(sci_port->iclk);
+ clk_enable(sci_port->iclk);
+ sci_port->port.uartclk = clk_get_rate(sci_port->iclk);
+ clk_enable(sci_port->fclk);
}
static void sci_clk_disable(struct uart_port *port)
{
struct sci_port *sci_port = to_sci_port(port);
- if (sci_port->iclk)
- clk_disable(sci_port->iclk);
-
- clk_disable(sci_port->dclk);
+ clk_disable(sci_port->fclk);
+ clk_disable(sci_port->iclk);
}
static int sci_request_irq(struct sci_port *port)
@@ -1557,10 +1553,10 @@ static struct uart_ops sci_uart_ops = {
#endif
};
-static void __devinit sci_init_single(struct platform_device *dev,
- struct sci_port *sci_port,
- unsigned int index,
- struct plat_sci_port *p)
+static int __devinit sci_init_single(struct platform_device *dev,
+ struct sci_port *sci_port,
+ unsigned int index,
+ struct plat_sci_port *p)
{
struct uart_port *port = &sci_port->port;
@@ -1581,8 +1577,23 @@ static void __devinit sci_init_single(struct platform_device *dev,
}
if (dev) {
- sci_port->iclk = p->clk ? clk_get(&dev->dev, p->clk) : NULL;
- sci_port->dclk = clk_get(&dev->dev, "peripheral_clk");
+ sci_port->iclk = clk_get(&dev->dev, "sci_ick");
+ if (IS_ERR(sci_port->iclk)) {
+ sci_port->iclk = clk_get(&dev->dev, "peripheral_clk");
+ if (IS_ERR(sci_port->iclk)) {
+ dev_err(&dev->dev, "can't get iclk\n");
+ return PTR_ERR(sci_port->iclk);
+ }
+ }
+
+ /*
+ * The function clock is optional, ignore it if we can't
+ * find it.
+ */
+ sci_port->fclk = clk_get(&dev->dev, "sci_fck");
+ if (IS_ERR(sci_port->fclk))
+ sci_port->fclk = NULL;
+
sci_port->enable = sci_clk_enable;
sci_port->disable = sci_clk_disable;
port->dev = &dev->dev;
@@ -1609,6 +1620,7 @@ static void __devinit sci_init_single(struct platform_device *dev,
#endif
memcpy(&sci_port->irqs, &p->irqs, sizeof(p->irqs));
+ return 0;
}
#ifdef CONFIG_SERIAL_SH_SCI_CONSOLE
@@ -1758,8 +1770,11 @@ static int sci_remove(struct platform_device *dev)
cpufreq_unregister_notifier(&priv->clk_nb, CPUFREQ_TRANSITION_NOTIFIER);
spin_lock_irqsave(&priv->lock, flags);
- list_for_each_entry(p, &priv->ports, node)
+ list_for_each_entry(p, &priv->ports, node) {
uart_remove_one_port(&sci_uart_driver, &p->port);
+ clk_put(p->iclk);
+ clk_put(p->fclk);
+ }
spin_unlock_irqrestore(&priv->lock, flags);
kfree(priv);
@@ -1785,7 +1800,9 @@ static int __devinit sci_probe_single(struct platform_device *dev,
return 0;
}
- sci_init_single(dev, sciport, index, p);
+ ret = sci_init_single(dev, sciport, index, p);
+ if (ret)
+ return ret;
ret = uart_add_one_port(&sci_uart_driver, &sciport->port);
if (ret)
diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c
index 3a5a17db947..b8983fed76f 100644
--- a/drivers/sh/intc.c
+++ b/drivers/sh/intc.c
@@ -2,7 +2,7 @@
* Shared interrupt handling code for IPR and INTC2 types of IRQs.
*
* Copyright (C) 2007, 2008 Magnus Damm
- * Copyright (C) 2009 Paul Mundt
+ * Copyright (C) 2009, 2010 Paul Mundt
*
* Based on intc2.c and ipr.c
*
@@ -26,6 +26,7 @@
#include <linux/list.h>
#include <linux/topology.h>
#include <linux/bitmap.h>
+#include <linux/cpumask.h>
#define _INTC_MK(fn, mode, addr_e, addr_d, width, shift) \
((shift) | ((width) << 5) | ((fn) << 9) | ((mode) << 13) | \
@@ -234,6 +235,10 @@ static inline void _intc_enable(unsigned int irq, unsigned long handle)
unsigned int cpu;
for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_E(handle)); cpu++) {
+#ifdef CONFIG_SMP
+ if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+ continue;
+#endif
addr = INTC_REG(d, _INTC_ADDR_E(handle), cpu);
intc_enable_fns[_INTC_MODE(handle)](addr, handle, intc_reg_fns\
[_INTC_FN(handle)], irq);
@@ -253,6 +258,10 @@ static void intc_disable(unsigned int irq)
unsigned int cpu;
for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_D(handle)); cpu++) {
+#ifdef CONFIG_SMP
+ if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+ continue;
+#endif
addr = INTC_REG(d, _INTC_ADDR_D(handle), cpu);
intc_disable_fns[_INTC_MODE(handle)](addr, handle,intc_reg_fns\
[_INTC_FN(handle)], irq);
@@ -301,6 +310,23 @@ static int intc_set_wake(unsigned int irq, unsigned int on)
return 0; /* allow wakeup, but setup hardware in intc_suspend() */
}
+#ifdef CONFIG_SMP
+/*
+ * This is held with the irq desc lock held, so we don't require any
+ * additional locking here at the intc desc level. The affinity mask is
+ * later tested in the enable/disable paths.
+ */
+static int intc_set_affinity(unsigned int irq, const struct cpumask *cpumask)
+{
+ if (!cpumask_intersects(cpumask, cpu_online_mask))
+ return -1;
+
+ cpumask_copy(irq_to_desc(irq)->affinity, cpumask);
+
+ return 0;
+}
+#endif
+
static void intc_mask_ack(unsigned int irq)
{
struct intc_desc_int *d = get_intc_desc(irq);
@@ -843,6 +869,9 @@ void __init register_intc_controller(struct intc_desc *desc)
d->chip.shutdown = intc_disable;
d->chip.set_type = intc_set_sense;
d->chip.set_wake = intc_set_wake;
+#ifdef CONFIG_SMP
+ d->chip.set_affinity = intc_set_affinity;
+#endif
if (hw->ack_regs) {
for (i = 0; i < hw->nr_ack_regs; i++)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-09-21 13:32:25 +0000