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CRIS port changes for 3.19

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Merge tag 'cris-changes-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris

Pull arch/chris updates from Jesper Nilsson:
 "Mostly cleanup and build fixes for CRISv32 allmodconfig

  God Jul och Gott Nytt år!"

* tag 'cris-changes-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris:
  CRISv32: Remove last remnants of ETRAX_SPI_MMC_BOARD
  CRISv32: ETRAXFS: Fix recursive spinlock
  CRISv32: Select MTDRAM for axisflashmap
  CRISv32: Implement early console
  CRIS: Use KALLSYMs if available in call stack dump
  CRISv32: Fix declaration mismatch
  CRISv32: Rewrite of synchronous serial port driver
  CRIS: Update init memory handling
  CRISv32: Better handling of watchdog bite
  CRIS: Export missing function symbols
  CRIS: Export ioremap_nocache
  CRIS: Fix headers_install
  CRISv32: Add missing include for mm.h
  CRISv32: Drop obsolete file for SPI driver
This commit is contained in:
Linus Torvalds 2014-12-19 17:08:14 -08:00
commit 971d9e07e1
17 changed files with 1049 additions and 826 deletions
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14
arch/cris/arch-v10/lib/usercopy.c
View file

@ -30,8 +30,7 @@
/* Copy to userspace. This is based on the memcpy used for
kernel-to-kernel copying; see "string.c". */
unsigned long
__copy_user (void __user *pdst, const void *psrc, unsigned long pn)
unsigned long __copy_user(void __user *pdst, const void *psrc, unsigned long pn)
{
/* We want the parameters put in special registers.
Make sure the compiler is able to make something useful of this.
@ -187,13 +186,14 @@ __copy_user (void __user *pdst, const void *psrc, unsigned long pn)
return retn;
}
EXPORT_SYMBOL(__copy_user);
/* Copy from user to kernel, zeroing the bytes that were inaccessible in
userland. The return-value is the number of bytes that were
inaccessible. */
unsigned long
__copy_user_zeroing(void *pdst, const void __user *psrc, unsigned long pn)
unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
unsigned long pn)
{
/* We want the parameters put in special registers.
Make sure the compiler is able to make something useful of this.
@ -369,11 +369,10 @@ __copy_user_zeroing(void *pdst, const void __user *psrc, unsigned long pn)
return retn + n;
}
EXPORT_SYMBOL(__copy_user_zeroing);
/* Zero userspace. */
unsigned long
__do_clear_user (void __user *pto, unsigned long pn)
unsigned long __do_clear_user(void __user *pto, unsigned long pn)
{
/* We want the parameters put in special registers.
Make sure the compiler is able to make something useful of this.
@ -521,3 +520,4 @@ __do_clear_user (void __user *pto, unsigned long pn)
return retn;
}
EXPORT_SYMBOL(__do_clear_user);

8
arch/cris/arch-v32/drivers/Kconfig
View file

@ -108,6 +108,7 @@ config ETRAX_AXISFLASHMAP
select MTD_JEDECPROBE
select MTD_BLOCK
select MTD_COMPLEX_MAPPINGS
select MTD_MTDRAM
help
This option enables MTD mapping of flash devices. Needed to use
flash memories. If unsure, say Y.
@ -358,13 +359,6 @@ config ETRAX_SPI_MMC
default MMC
select SPI
select MMC_SPI
select ETRAX_SPI_MMC_BOARD
# For the parts that can't be a module (due to restrictions in
# framework elsewhere).
config ETRAX_SPI_MMC_BOARD
boolean
default n
# While the board info is MMC_SPI only, the drivers are written to be
# independent of MMC_SPI, so we'll keep SPI non-dependent on the

1
arch/cris/arch-v32/drivers/Makefile
View file

@ -10,4 +10,3 @@ obj-$(CONFIG_ETRAX_IOP_FW_LOAD) += iop_fw_load.o
obj-$(CONFIG_ETRAX_I2C) += i2c.o
obj-$(CONFIG_ETRAX_SYNCHRONOUS_SERIAL) += sync_serial.o
obj-$(CONFIG_PCI) += pci/
obj-$(CONFIG_ETRAX_SPI_MMC_BOARD) += board_mmcspi.o

1
arch/cris/arch-v32/drivers/i2c.h
View file

@ -2,7 +2,6 @@
#include <linux/init.h>
/* High level I2C actions */
int __init i2c_init(void);
int i2c_write(unsigned char theSlave, void *data, size_t nbytes);
int i2c_read(unsigned char theSlave, void *data, size_t nbytes);
int i2c_writereg(unsigned char theSlave, unsigned char theReg, unsigned char theValue);

1436
arch/cris/arch-v32/drivers/sync_serial.c
View file

File diff suppressed because it is too large Load diff

82
arch/cris/arch-v32/kernel/debugport.c
View file

@ -3,7 +3,9 @@
*/
#include <linux/console.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/string.h>
#include <hwregs/reg_rdwr.h>
#include <hwregs/reg_map.h>
#include <hwregs/ser_defs.h>
@ -65,6 +67,7 @@ struct dbg_port ports[] =
},
#endif
};
static struct dbg_port *port =
#if defined(CONFIG_ETRAX_DEBUG_PORT0)
&ports[0];
@ -97,14 +100,19 @@ static struct dbg_port *kgdb_port =
#endif
#endif
static void
start_port(struct dbg_port* p)
static void start_port(struct dbg_port *p)
{
if (!p)
/* Set up serial port registers */
reg_ser_rw_tr_ctrl tr_ctrl = {0};
reg_ser_rw_tr_dma_en tr_dma_en = {0};
reg_ser_rw_rec_ctrl rec_ctrl = {0};
reg_ser_rw_tr_baud_div tr_baud_div = {0};
reg_ser_rw_rec_baud_div rec_baud_div = {0};
if (!p || p->started)
return;
if (p->started)
return;
p->started = 1;
if (p->nbr == 1)
@ -118,36 +126,24 @@ start_port(struct dbg_port* p)
crisv32_pinmux_alloc_fixed(pinmux_ser4);
#endif
/* Set up serial port registers */
reg_ser_rw_tr_ctrl tr_ctrl = {0};
reg_ser_rw_tr_dma_en tr_dma_en = {0};
reg_ser_rw_rec_ctrl rec_ctrl = {0};
reg_ser_rw_tr_baud_div tr_baud_div = {0};
reg_ser_rw_rec_baud_div rec_baud_div = {0};
tr_ctrl.base_freq = rec_ctrl.base_freq = regk_ser_f29_493;
tr_dma_en.en = rec_ctrl.dma_mode = regk_ser_no;
tr_baud_div.div = rec_baud_div.div = 29493000 / p->baudrate / 8;
tr_ctrl.en = rec_ctrl.en = 1;
if (p->parity == 'O')
{
if (p->parity == 'O') {
tr_ctrl.par_en = regk_ser_yes;
tr_ctrl.par = regk_ser_odd;
rec_ctrl.par_en = regk_ser_yes;
rec_ctrl.par = regk_ser_odd;
}
else if (p->parity == 'E')
{
} else if (p->parity == 'E') {
tr_ctrl.par_en = regk_ser_yes;
tr_ctrl.par = regk_ser_even;
rec_ctrl.par_en = regk_ser_yes;
rec_ctrl.par = regk_ser_odd;
}
if (p->bits == 7)
{
if (p->bits == 7) {
tr_ctrl.data_bits = regk_ser_bits7;
rec_ctrl.data_bits = regk_ser_bits7;
}
@ -161,8 +157,7 @@ start_port(struct dbg_port* p)
#ifdef CONFIG_ETRAX_KGDB
/* Use polling to get a single character from the kernel debug port */
int
getDebugChar(void)
int getDebugChar(void)
{
reg_ser_rs_stat_din stat;
reg_ser_rw_ack_intr ack_intr = { 0 };
@ -179,8 +174,7 @@ getDebugChar(void)
}
/* Use polling to put a single character to the kernel debug port */
void
putDebugChar(int val)
void putDebugChar(int val)
{
reg_ser_r_stat_din stat;
do {
@ -190,12 +184,48 @@ putDebugChar(int val)
}
#endif /* CONFIG_ETRAX_KGDB */
static void __init early_putch(int c)
{
reg_ser_r_stat_din stat;
/* Wait until transmitter is ready and send. */
do
stat = REG_RD(ser, port->instance, r_stat_din);
while (!stat.tr_rdy);
REG_WR_INT(ser, port->instance, rw_dout, c);
}
static void __init
early_console_write(struct console *con, const char *s, unsigned n)
{
extern void reset_watchdog(void);
int i;
/* Send data. */
for (i = 0; i < n; i++) {
/* TODO: the '\n' -> '\n\r' translation should be done at the
receiver. Remove it when the serial driver removes it. */
if (s[i] == '\n')
early_putch('\r');
early_putch(s[i]);
reset_watchdog();
}
}
static struct console early_console_dev __initdata = {
.name = "early",
.write = early_console_write,
.flags = CON_PRINTBUFFER | CON_BOOT,
.index = -1
};
/* Register console for printk's, etc. */
int __init
init_etrax_debug(void)
int __init init_etrax_debug(void)
{
start_port(port);
/* Register an early console if a debug port was chosen. */
register_console(&early_console_dev);
#ifdef CONFIG_ETRAX_KGDB
start_port(kgdb_port);
#endif /* CONFIG_ETRAX_KGDB */

29
arch/cris/arch-v32/kernel/time.c
View file

@ -14,6 +14,7 @@
#include <linux/init.h>
#include <linux/threads.h>
#include <linux/cpufreq.h>
#include <linux/mm.h>
#include <asm/types.h>
#include <asm/signal.h>
#include <asm/io.h>
@ -56,7 +57,6 @@ static int __init etrax_init_cont_rotime(void)
}
arch_initcall(etrax_init_cont_rotime);
unsigned long timer_regs[NR_CPUS] =
{
regi_timer0,
@ -68,9 +68,8 @@ unsigned long timer_regs[NR_CPUS] =
extern int set_rtc_mmss(unsigned long nowtime);
#ifdef CONFIG_CPU_FREQ
static int
cris_time_freq_notifier(struct notifier_block *nb, unsigned long val,
void *data);
static int cris_time_freq_notifier(struct notifier_block *nb,
unsigned long val, void *data);
static struct notifier_block cris_time_freq_notifier_block = {
.notifier_call = cris_time_freq_notifier,
@ -87,7 +86,6 @@ unsigned long get_ns_in_jiffie(void)
return ns;
}
/* From timer MDS describing the hardware watchdog:
* 4.3.1 Watchdog Operation
* The watchdog timer is an 8-bit timer with a configurable start value.
@ -109,11 +107,18 @@ static short int watchdog_key = 42; /* arbitrary 7 bit number */
* is used though, so set this really low. */
#define WATCHDOG_MIN_FREE_PAGES 8
/* for reliable NICE_DOGGY behaviour */
static int bite_in_progress;
void reset_watchdog(void)
{
#if defined(CONFIG_ETRAX_WATCHDOG)
reg_timer_rw_wd_ctrl wd_ctrl = { 0 };
#if defined(CONFIG_ETRAX_WATCHDOG_NICE_DOGGY)
if (unlikely(bite_in_progress))
return;
#endif
/* Only keep watchdog happy as long as we have memory left! */
if(nr_free_pages() > WATCHDOG_MIN_FREE_PAGES) {
/* Reset the watchdog with the inverse of the old key */
@ -148,7 +153,9 @@ void handle_watchdog_bite(struct pt_regs *regs)
#if defined(CONFIG_ETRAX_WATCHDOG)
extern int cause_of_death;
nmi_enter();
oops_in_progress = 1;
bite_in_progress = 1;
printk(KERN_WARNING "Watchdog bite\n");
/* Check if forced restart or unexpected watchdog */
@ -170,6 +177,7 @@ void handle_watchdog_bite(struct pt_regs *regs)
printk(KERN_WARNING "Oops: bitten by watchdog\n");
show_registers(regs);
oops_in_progress = 0;
printk("\n"); /* Flush mtdoops. */
#ifndef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
reset_watchdog();
#endif
@ -202,7 +210,7 @@ static inline irqreturn_t timer_interrupt(int irq, void *dev_id)
/* Reset watchdog otherwise it resets us! */
reset_watchdog();
/* Update statistics. */
/* Update statistics. */
update_process_times(user_mode(regs));
cris_do_profile(regs); /* Save profiling information */
@ -213,7 +221,7 @@ static inline irqreturn_t timer_interrupt(int irq, void *dev_id)
/* Call the real timer interrupt handler */
xtime_update(1);
return IRQ_HANDLED;
return IRQ_HANDLED;
}
/* Timer is IRQF_SHARED so drivers can add stuff to the timer irq chain. */
@ -293,14 +301,13 @@ void __init time_init(void)
#ifdef CONFIG_CPU_FREQ
cpufreq_register_notifier(&cris_time_freq_notifier_block,
CPUFREQ_TRANSITION_NOTIFIER);
CPUFREQ_TRANSITION_NOTIFIER);
#endif
}
#ifdef CONFIG_CPU_FREQ
static int
cris_time_freq_notifier(struct notifier_block *nb, unsigned long val,
void *data)
static int cris_time_freq_notifier(struct notifier_block *nb,
unsigned long val, void *data)
{
struct cpufreq_freqs *freqs = data;
if (val == CPUFREQ_POSTCHANGE) {

15
arch/cris/arch-v32/lib/usercopy.c
View file

@ -26,8 +26,7 @@
/* Copy to userspace. This is based on the memcpy used for
kernel-to-kernel copying; see "string.c". */
unsigned long
__copy_user (void __user *pdst, const void *psrc, unsigned long pn)
unsigned long __copy_user(void __user *pdst, const void *psrc, unsigned long pn)
{
/* We want the parameters put in special registers.
Make sure the compiler is able to make something useful of this.
@ -155,13 +154,13 @@ __copy_user (void __user *pdst, const void *psrc, unsigned long pn)
return retn;
}
EXPORT_SYMBOL(__copy_user);
/* Copy from user to kernel, zeroing the bytes that were inaccessible in
userland. The return-value is the number of bytes that were
inaccessible. */
unsigned long
__copy_user_zeroing(void *pdst, const void __user *psrc, unsigned long pn)
unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc,
unsigned long pn)
{
/* We want the parameters put in special registers.
Make sure the compiler is able to make something useful of this.
@ -321,11 +320,10 @@ __copy_user_zeroing(void *pdst, const void __user *psrc, unsigned long pn)
return retn + n;
}
EXPORT_SYMBOL(__copy_user_zeroing);
/* Zero userspace. */
unsigned long
__do_clear_user (void __user *pto, unsigned long pn)
unsigned long __do_clear_user(void __user *pto, unsigned long pn)
{
/* We want the parameters put in special registers.
Make sure the compiler is able to make something useful of this.
@ -468,3 +466,4 @@ __do_clear_user (void __user *pto, unsigned long pn)
return retn;
}
EXPORT_SYMBOL(__do_clear_user);

166
arch/cris/arch-v32/mach-fs/pinmux.c
View file

@ -26,44 +26,15 @@ static DEFINE_SPINLOCK(pinmux_lock);
static void crisv32_pinmux_set(int port);
int crisv32_pinmux_init(void)
{
static int initialized;
if (!initialized) {
reg_pinmux_rw_pa pa = REG_RD(pinmux, regi_pinmux, rw_pa);
initialized = 1;
REG_WR_INT(pinmux, regi_pinmux, rw_hwprot, 0);
pa.pa0 = pa.pa1 = pa.pa2 = pa.pa3 =
pa.pa4 = pa.pa5 = pa.pa6 = pa.pa7 = regk_pinmux_yes;
REG_WR(pinmux, regi_pinmux, rw_pa, pa);
crisv32_pinmux_alloc(PORT_B, 0, PORT_PINS - 1, pinmux_gpio);
crisv32_pinmux_alloc(PORT_C, 0, PORT_PINS - 1, pinmux_gpio);
crisv32_pinmux_alloc(PORT_D, 0, PORT_PINS - 1, pinmux_gpio);
crisv32_pinmux_alloc(PORT_E, 0, PORT_PINS - 1, pinmux_gpio);
}
return 0;
}
int
crisv32_pinmux_alloc(int port, int first_pin, int last_pin, enum pin_mode mode)
static int __crisv32_pinmux_alloc(int port, int first_pin, int last_pin,
enum pin_mode mode)
{
int i;
unsigned long flags;
crisv32_pinmux_init();
if (port > PORTS || port < 0)
return -EINVAL;
spin_lock_irqsave(&pinmux_lock, flags);
for (i = first_pin; i <= last_pin; i++) {
if ((pins[port][i] != pinmux_none)
&& (pins[port][i] != pinmux_gpio)
&& (pins[port][i] != mode)) {
spin_unlock_irqrestore(&pinmux_lock, flags);
#ifdef DEBUG
panic("Pinmux alloc failed!\n");
#endif
@ -75,10 +46,46 @@ crisv32_pinmux_alloc(int port, int first_pin, int last_pin, enum pin_mode mode)
pins[port][i] = mode;
crisv32_pinmux_set(port);
}
static int crisv32_pinmux_init(void)
{
static int initialized;
if (!initialized) {
reg_pinmux_rw_pa pa = REG_RD(pinmux, regi_pinmux, rw_pa);
initialized = 1;
REG_WR_INT(pinmux, regi_pinmux, rw_hwprot, 0);
pa.pa0 = pa.pa1 = pa.pa2 = pa.pa3 =
pa.pa4 = pa.pa5 = pa.pa6 = pa.pa7 = regk_pinmux_yes;
REG_WR(pinmux, regi_pinmux, rw_pa, pa);
__crisv32_pinmux_alloc(PORT_B, 0, PORT_PINS - 1, pinmux_gpio);
__crisv32_pinmux_alloc(PORT_C, 0, PORT_PINS - 1, pinmux_gpio);
__crisv32_pinmux_alloc(PORT_D, 0, PORT_PINS - 1, pinmux_gpio);
__crisv32_pinmux_alloc(PORT_E, 0, PORT_PINS - 1, pinmux_gpio);
}
return 0;
}
int crisv32_pinmux_alloc(int port, int first_pin, int last_pin,
enum pin_mode mode)
{
unsigned long flags;
int ret;
crisv32_pinmux_init();
if (port > PORTS || port < 0)
return -EINVAL;
spin_lock_irqsave(&pinmux_lock, flags);
ret = __crisv32_pinmux_alloc(port, first_pin, last_pin, mode);
spin_unlock_irqrestore(&pinmux_lock, flags);
return 0;
return ret;
}
int crisv32_pinmux_alloc_fixed(enum fixed_function function)
@ -98,58 +105,58 @@ int crisv32_pinmux_alloc_fixed(enum fixed_function function)
switch (function) {
case pinmux_ser1:
ret = crisv32_pinmux_alloc(PORT_C, 4, 7, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_C, 4, 7, pinmux_fixed);
hwprot.ser1 = regk_pinmux_yes;
break;
case pinmux_ser2:
ret = crisv32_pinmux_alloc(PORT_C, 8, 11, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_C, 8, 11, pinmux_fixed);
hwprot.ser2 = regk_pinmux_yes;
break;
case pinmux_ser3:
ret = crisv32_pinmux_alloc(PORT_C, 12, 15, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_C, 12, 15, pinmux_fixed);
hwprot.ser3 = regk_pinmux_yes;
break;
case pinmux_sser0:
ret = crisv32_pinmux_alloc(PORT_C, 0, 3, pinmux_fixed);
ret |= crisv32_pinmux_alloc(PORT_C, 16, 16, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_C, 0, 3, pinmux_fixed);
ret |= __crisv32_pinmux_alloc(PORT_C, 16, 16, pinmux_fixed);
hwprot.sser0 = regk_pinmux_yes;
break;
case pinmux_sser1:
ret = crisv32_pinmux_alloc(PORT_D, 0, 4, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_D, 0, 4, pinmux_fixed);
hwprot.sser1 = regk_pinmux_yes;
break;
case pinmux_ata0:
ret = crisv32_pinmux_alloc(PORT_D, 5, 7, pinmux_fixed);
ret |= crisv32_pinmux_alloc(PORT_D, 15, 17, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_D, 5, 7, pinmux_fixed);
ret |= __crisv32_pinmux_alloc(PORT_D, 15, 17, pinmux_fixed);
hwprot.ata0 = regk_pinmux_yes;
break;
case pinmux_ata1:
ret = crisv32_pinmux_alloc(PORT_D, 0, 4, pinmux_fixed);
ret |= crisv32_pinmux_alloc(PORT_E, 17, 17, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_D, 0, 4, pinmux_fixed);
ret |= __crisv32_pinmux_alloc(PORT_E, 17, 17, pinmux_fixed);
hwprot.ata1 = regk_pinmux_yes;
break;
case pinmux_ata2:
ret = crisv32_pinmux_alloc(PORT_C, 11, 15, pinmux_fixed);
ret |= crisv32_pinmux_alloc(PORT_E, 3, 3, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_C, 11, 15, pinmux_fixed);
ret |= __crisv32_pinmux_alloc(PORT_E, 3, 3, pinmux_fixed);
hwprot.ata2 = regk_pinmux_yes;
break;
case pinmux_ata3:
ret = crisv32_pinmux_alloc(PORT_C, 8, 10, pinmux_fixed);
ret |= crisv32_pinmux_alloc(PORT_C, 0, 2, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_C, 8, 10, pinmux_fixed);
ret |= __crisv32_pinmux_alloc(PORT_C, 0, 2, pinmux_fixed);
hwprot.ata2 = regk_pinmux_yes;
break;
case pinmux_ata:
ret = crisv32_pinmux_alloc(PORT_B, 0, 15, pinmux_fixed);
ret |= crisv32_pinmux_alloc(PORT_D, 8, 15, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_B, 0, 15, pinmux_fixed);
ret |= __crisv32_pinmux_alloc(PORT_D, 8, 15, pinmux_fixed);
hwprot.ata = regk_pinmux_yes;
break;
case pinmux_eth1:
ret = crisv32_pinmux_alloc(PORT_E, 0, 17, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_E, 0, 17, pinmux_fixed);
hwprot.eth1 = regk_pinmux_yes;
hwprot.eth1_mgm = regk_pinmux_yes;
break;
case pinmux_timer:
ret = crisv32_pinmux_alloc(PORT_C, 16, 16, pinmux_fixed);
ret = __crisv32_pinmux_alloc(PORT_C, 16, 16, pinmux_fixed);
hwprot.timer = regk_pinmux_yes;
spin_unlock_irqrestore(&pinmux_lock, flags);
return ret;
@ -188,9 +195,19 @@ void crisv32_pinmux_set(int port)
#endif
}
int crisv32_pinmux_dealloc(int port, int first_pin, int last_pin)
static int __crisv32_pinmux_dealloc(int port, int first_pin, int last_pin)
{
int i;
for (i = first_pin; i <= last_pin; i++)
pins[port][i] = pinmux_none;
crisv32_pinmux_set(port);
return 0;
}
int crisv32_pinmux_dealloc(int port, int first_pin, int last_pin)
{
unsigned long flags;
crisv32_pinmux_init();
@ -199,11 +216,7 @@ int crisv32_pinmux_dealloc(int port, int first_pin, int last_pin)
return -EINVAL;
spin_lock_irqsave(&pinmux_lock, flags);
for (i = first_pin; i <= last_pin; i++)
pins[port][i] = pinmux_none;
crisv32_pinmux_set(port);
__crisv32_pinmux_dealloc(port, first_pin, last_pin);
spin_unlock_irqrestore(&pinmux_lock, flags);
return 0;
@ -226,58 +239,58 @@ int crisv32_pinmux_dealloc_fixed(enum fixed_function function)
switch (function) {
case pinmux_ser1:
ret = crisv32_pinmux_dealloc(PORT_C, 4, 7);
ret = __crisv32_pinmux_dealloc(PORT_C, 4, 7);
hwprot.ser1 = regk_pinmux_no;
break;
case pinmux_ser2:
ret = crisv32_pinmux_dealloc(PORT_C, 8, 11);
ret = __crisv32_pinmux_dealloc(PORT_C, 8, 11);
hwprot.ser2 = regk_pinmux_no;
break;
case pinmux_ser3:
ret = crisv32_pinmux_dealloc(PORT_C, 12, 15);
ret = __crisv32_pinmux_dealloc(PORT_C, 12, 15);
hwprot.ser3 = regk_pinmux_no;
break;
case pinmux_sser0:
ret = crisv32_pinmux_dealloc(PORT_C, 0, 3);
ret |= crisv32_pinmux_dealloc(PORT_C, 16, 16);
ret = __crisv32_pinmux_dealloc(PORT_C, 0, 3);
ret |= __crisv32_pinmux_dealloc(PORT_C, 16, 16);
hwprot.sser0 = regk_pinmux_no;
break;
case pinmux_sser1:
ret = crisv32_pinmux_dealloc(PORT_D, 0, 4);
ret = __crisv32_pinmux_dealloc(PORT_D, 0, 4);
hwprot.sser1 = regk_pinmux_no;
break;
case pinmux_ata0:
ret = crisv32_pinmux_dealloc(PORT_D, 5, 7);
ret |= crisv32_pinmux_dealloc(PORT_D, 15, 17);
ret = __crisv32_pinmux_dealloc(PORT_D, 5, 7);
ret |= __crisv32_pinmux_dealloc(PORT_D, 15, 17);
hwprot.ata0 = regk_pinmux_no;
break;
case pinmux_ata1:
ret = crisv32_pinmux_dealloc(PORT_D, 0, 4);
ret |= crisv32_pinmux_dealloc(PORT_E, 17, 17);
ret = __crisv32_pinmux_dealloc(PORT_D, 0, 4);
ret |= __crisv32_pinmux_dealloc(PORT_E, 17, 17);
hwprot.ata1 = regk_pinmux_no;
break;
case pinmux_ata2:
ret = crisv32_pinmux_dealloc(PORT_C, 11, 15);
ret |= crisv32_pinmux_dealloc(PORT_E, 3, 3);
ret = __crisv32_pinmux_dealloc(PORT_C, 11, 15);
ret |= __crisv32_pinmux_dealloc(PORT_E, 3, 3);
hwprot.ata2 = regk_pinmux_no;
break;
case pinmux_ata3:
ret = crisv32_pinmux_dealloc(PORT_C, 8, 10);
ret |= crisv32_pinmux_dealloc(PORT_C, 0, 2);
ret = __crisv32_pinmux_dealloc(PORT_C, 8, 10);
ret |= __crisv32_pinmux_dealloc(PORT_C, 0, 2);
hwprot.ata2 = regk_pinmux_no;
break;
case pinmux_ata:
ret = crisv32_pinmux_dealloc(PORT_B, 0, 15);
ret |= crisv32_pinmux_dealloc(PORT_D, 8, 15);
ret = __crisv32_pinmux_dealloc(PORT_B, 0, 15);
ret |= __crisv32_pinmux_dealloc(PORT_D, 8, 15);
hwprot.ata = regk_pinmux_no;
break;
case pinmux_eth1:
ret = crisv32_pinmux_dealloc(PORT_E, 0, 17);
ret = __crisv32_pinmux_dealloc(PORT_E, 0, 17);
hwprot.eth1 = regk_pinmux_no;
hwprot.eth1_mgm = regk_pinmux_no;
break;
case pinmux_timer:
ret = crisv32_pinmux_dealloc(PORT_C, 16, 16);
ret = __crisv32_pinmux_dealloc(PORT_C, 16, 16);
hwprot.timer = regk_pinmux_no;
spin_unlock_irqrestore(&pinmux_lock, flags);
return ret;
@ -293,7 +306,8 @@ int crisv32_pinmux_dealloc_fixed(enum fixed_function function)
return ret;
}
void crisv32_pinmux_dump(void)
#ifdef DEBUG
static void crisv32_pinmux_dump(void)
{
int i, j;
@ -305,5 +319,5 @@ void crisv32_pinmux_dump(void)
printk(KERN_DEBUG " Pin %d = %d\n", j, pins[i][j]);
}
}
#endif
__initcall(crisv32_pinmux_init);

2
arch/cris/include/arch-v32/mach-fs/mach/pinmux.h
View file

@ -28,11 +28,9 @@ enum fixed_function {
pinmux_timer
};
int crisv32_pinmux_init(void);
int crisv32_pinmux_alloc(int port, int first_pin, int last_pin, enum pin_mode);
int crisv32_pinmux_alloc_fixed(enum fixed_function function);
int crisv32_pinmux_dealloc(int port, int first_pin, int last_pin);
int crisv32_pinmux_dealloc_fixed(enum fixed_function function);
void crisv32_pinmux_dump(void);
#endif

4
arch/cris/include/asm/Kbuild
View file

@ -1,8 +1,4 @@
header-y += arch-v10/
header-y += arch-v32/
generic-y += barrier.h
generic-y += clkdev.h
generic-y += cputime.h

4
arch/cris/include/uapi/asm/Kbuild
View file

@ -1,8 +1,8 @@
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
header-y += arch-v10/
header-y += arch-v32/
header-y += ../arch-v10/arch/
header-y += ../arch-v32/arch/
header-y += auxvec.h
header-y += bitsperlong.h
header-y += byteorder.h

9
arch/cris/kernel/crisksyms.c
View file

@ -47,16 +47,16 @@ EXPORT_SYMBOL(__negdi2);
EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(iounmap);
/* Userspace access functions */
EXPORT_SYMBOL(__copy_user_zeroing);
EXPORT_SYMBOL(__copy_user);
#undef memcpy
#undef memset
extern void * memset(void *, int, __kernel_size_t);
extern void * memcpy(void *, const void *, __kernel_size_t);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memset);
#ifdef CONFIG_ETRAX_ARCH_V32
#undef strcmp
EXPORT_SYMBOL(strcmp);
#endif
#ifdef CONFIG_ETRAX_FAST_TIMER
/* Fast timer functions */
@ -66,3 +66,4 @@ EXPORT_SYMBOL(del_fast_timer);
EXPORT_SYMBOL(schedule_usleep);
#endif
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_from_user);

61
arch/cris/kernel/traps.c
View file

@ -14,6 +14,10 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/utsname.h>
#ifdef CONFIG_KALLSYMS
#include <linux/kallsyms.h>
#endif
#include <asm/pgtable.h>
#include <asm/uaccess.h>
@ -34,25 +38,24 @@ static int kstack_depth_to_print = 24;
void (*nmi_handler)(struct pt_regs *);
void
show_trace(unsigned long *stack)
void show_trace(unsigned long *stack)
{
unsigned long addr, module_start, module_end;
extern char _stext, _etext;
int i;
printk("\nCall Trace: ");
pr_err("\nCall Trace: ");
i = 1;
module_start = VMALLOC_START;
module_end = VMALLOC_END;
while (((long)stack & (THREAD_SIZE-1)) != 0) {
while (((long)stack & (THREAD_SIZE - 1)) != 0) {
if (__get_user(addr, stack)) {
/* This message matches "failing address" marked
s390 in ksymoops, so lines containing it will
not be filtered out by ksymoops. */
printk("Failing address 0x%lx\n", (unsigned long)stack);
pr_err("Failing address 0x%lx\n", (unsigned long)stack);
break;
}
stack++;
@ -68,10 +71,14 @@ show_trace(unsigned long *stack)
if (((addr >= (unsigned long)&_stext) &&
(addr <= (unsigned long)&_etext)) ||
((addr >= module_start) && (addr <= module_end))) {
#ifdef CONFIG_KALLSYMS
print_ip_sym(addr);
#else
if (i && ((i % 8) == 0))
printk("\n ");
printk("[<%08lx>] ", addr);
pr_err("\n ");
pr_err("[<%08lx>] ", addr);
i++;
#endif
}
}
}
@ -111,21 +118,21 @@ show_stack(struct task_struct *task, unsigned long *sp)
stack = sp;
printk("\nStack from %08lx:\n ", (unsigned long)stack);
pr_err("\nStack from %08lx:\n ", (unsigned long)stack);
for (i = 0; i < kstack_depth_to_print; i++) {
if (((long)stack & (THREAD_SIZE-1)) == 0)
break;
if (i && ((i % 8) == 0))
printk("\n ");
pr_err("\n ");
if (__get_user(addr, stack)) {
/* This message matches "failing address" marked
s390 in ksymoops, so lines containing it will
not be filtered out by ksymoops. */
printk("Failing address 0x%lx\n", (unsigned long)stack);
pr_err("Failing address 0x%lx\n", (unsigned long)stack);
break;
}
stack++;
printk("%08lx ", addr);
pr_err("%08lx ", addr);
}
show_trace(sp);
}
@ -139,33 +146,32 @@ show_stack(void)
unsigned long *sp = (unsigned long *)rdusp();
int i;
printk("Stack dump [0x%08lx]:\n", (unsigned long)sp);
pr_err("Stack dump [0x%08lx]:\n", (unsigned long)sp);
for (i = 0; i < 16; i++)
printk("sp + %d: 0x%08lx\n", i*4, sp[i]);
pr_err("sp + %d: 0x%08lx\n", i*4, sp[i]);
return 0;
}
#endif
void
set_nmi_handler(void (*handler)(struct pt_regs *))
void set_nmi_handler(void (*handler)(struct pt_regs *))
{
nmi_handler = handler;
arch_enable_nmi();
}
#ifdef CONFIG_DEBUG_NMI_OOPS
void
oops_nmi_handler(struct pt_regs *regs)
void oops_nmi_handler(struct pt_regs *regs)
{
stop_watchdog();
oops_in_progress = 1;
printk("NMI!\n");
pr_err("NMI!\n");
show_registers(regs);
oops_in_progress = 0;
oops_exit();
pr_err("\n"); /* Flush mtdoops. */
}
static int __init
oops_nmi_register(void)
static int __init oops_nmi_register(void)
{
set_nmi_handler(oops_nmi_handler);
return 0;
@ -180,8 +186,7 @@ __initcall(oops_nmi_register);
* similar to an Oops dump, and if the kernel is configured to be a nice
* doggy, then halt instead of reboot.
*/
void
watchdog_bite_hook(struct pt_regs *regs)
void watchdog_bite_hook(struct pt_regs *regs)
{
#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
local_irq_disable();
@ -196,8 +201,7 @@ watchdog_bite_hook(struct pt_regs *regs)
}
/* This is normally the Oops function. */
void
die_if_kernel(const char *str, struct pt_regs *regs, long err)
void die_if_kernel(const char *str, struct pt_regs *regs, long err)
{
if (user_mode(regs))
return;
@ -211,13 +215,17 @@ die_if_kernel(const char *str, struct pt_regs *regs, long err)
stop_watchdog();
#endif
oops_enter();
handle_BUG(regs);
printk("%s: %04lx\n", str, err & 0xffff);
pr_err("Linux %s %s\n", utsname()->release, utsname()->version);
pr_err("%s: %04lx\n", str, err & 0xffff);
show_registers(regs);
oops_exit();
oops_in_progress = 0;
pr_err("\n"); /* Flush mtdoops. */
#ifdef CONFIG_ETRAX_WATCHDOG_NICE_DOGGY
reset_watchdog();
@ -225,8 +233,7 @@ die_if_kernel(const char *str, struct pt_regs *regs, long err)
do_exit(SIGSEGV);
}
void __init
trap_init(void)
void __init trap_init(void)
{
/* Nothing needs to be done */
}

38
arch/cris/mm/init.c
View file

@ -11,13 +11,15 @@
#include <linux/gfp.h>
#include <linux/init.h>
#include <linux/bootmem.h>
#include <linux/proc_fs.h>
#include <linux/kcore.h>
#include <asm/tlb.h>
#include <asm/sections.h>
unsigned long empty_zero_page;
EXPORT_SYMBOL(empty_zero_page);
void __init
mem_init(void)
void __init mem_init(void)
{
BUG_ON(!mem_map);
@ -31,10 +33,36 @@ mem_init(void)
mem_init_print_info(NULL);
}
/* free the pages occupied by initialization code */
/* Free a range of init pages. Virtual addresses. */
void
free_initmem(void)
void free_init_pages(const char *what, unsigned long begin, unsigned long end)
{
unsigned long addr;
for (addr = begin; addr < end; addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
}
/* Free the pages occupied by initialization code. */
void free_initmem(void)
{
free_initmem_default(-1);
}
/* Free the pages occupied by initrd code. */
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
free_init_pages("initrd memory",
start,
end);
}
#endif

3
arch/cris/mm/ioremap.c
View file

@ -76,10 +76,11 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l
* Must be freed with iounmap.
*/
void __iomem *ioremap_nocache (unsigned long phys_addr, unsigned long size)
void __iomem *ioremap_nocache(unsigned long phys_addr, unsigned long size)
{
return __ioremap(phys_addr | MEM_NON_CACHEABLE, size, 0);
}
EXPORT_SYMBOL(ioremap_nocache);
void iounmap(volatile void __iomem *addr)
{

2
scripts/headers.sh
View file

@ -19,8 +19,6 @@ for arch in ${archs}; do
case ${arch} in
um) # no userspace export
;;
cris) # headers export are known broken
;;
*)
if [ -d ${srctree}/arch/${arch} ]; then
do_command $1 ${arch}