openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus 

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (27 commits)
  MIPS: Alchemy: time.c build fix
  MIPS: RB532: Export rb532_gpio_set_func()
  MIPS: RB532: Update headers
  MIPS: RB532: Simplify dev3 init
  MIPS: RB532: Remove {get,set}_434_reg()
  MIPS: RB532: Move dev3 init code to devices.c
  MIPS: RB532: Fix set_latch_u5()
  MIPS: RB532: Fix init of rb532_dev3_ctl_res
  MIPS: RB532: Use driver_data instead of platform_data
  MIPS: RB532: Detect uart type, add platform device
  MIPS: RB532: remove useless CF GPIO initialisation
  MIPS: RB532: Auto disable GPIO alternate function
  MIPS: RB532: Add set_type() function to IRQ struct.
  MIPS: RC32434: Define io_map_base for PCI controller
  MIPS: RB532: Fix bit swapping in rb532_set_bit()
  MIPS: Use hardware watchpoints on all R1 and R2 CPUs.
  MIPS: Read watch registers with interrupts disabled.
  MIPS: Fix a typo in watchpoint register structure.
  MIPS: TXx9: Add support for TX4939 internal RTC
  MIPS: R2: Fix broken installation of cache error handler.
  ...
This commit is contained in:
Linus Torvalds 2009-01-31 15:52:02 -08:00
parent 878b8619f7 2d2eca4d11
commit c5e18af910
25 changed files with 286 additions and 173 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/mips/Kconfig
View File

@ -351,7 +351,7 @@ config SGI_IP27
select ARC64
select BOOT_ELF64
select DEFAULT_SGI_PARTITION
select DMA_IP27
select DMA_COHERENT
select SYS_HAS_EARLY_PRINTK
select HW_HAS_PCI
select NR_CPUS_DEFAULT_64
@ -761,9 +761,6 @@ config CFE
config DMA_COHERENT
bool
config DMA_IP27
bool
config DMA_NONCOHERENT
bool
select DMA_NEED_PCI_MAP_STATE
@ -1368,7 +1365,7 @@ config CPU_SUPPORTS_64BIT_KERNEL
#
config HARDWARE_WATCHPOINTS
bool
default y if CPU_MIPS32 || CPU_MIPS64
default y if CPU_MIPSR1 || CPU_MIPSR2
menu "Kernel type"

2
arch/mips/alchemy/common/time.c
View File

@ -89,7 +89,7 @@ static struct clock_event_device au1x_rtcmatch2_clockdev = {
.irq = AU1000_RTC_MATCH2_INT,
.set_next_event = au1x_rtcmatch2_set_next_event,
.set_mode = au1x_rtcmatch2_set_mode,
.cpumask = CPU_MASK_ALL,
.cpumask = CPU_MASK_ALL_PTR,
};
static struct irqaction au1x_rtcmatch2_irqaction = {

2
arch/mips/cavium-octeon/setup.c
View File

@ -15,13 +15,11 @@
#include <linux/serial.h>
#include <linux/types.h>
#include <linux/string.h> /* for memset */
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/time.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/serial_8250.h>
#include <linux/string.h>
#include <asm/processor.h>
#include <asm/reboot.h>

2
arch/mips/configs/ip27_defconfig
View File

@ -53,7 +53,7 @@ CONFIG_GENERIC_TIME=y
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_ARC=y
CONFIG_DMA_IP27=y
CONFIG_DMA_COHERENT=y
CONFIG_EARLY_PRINTK=y
CONFIG_SYS_HAS_EARLY_PRINTK=y
# CONFIG_NO_IOPORT is not set

52
arch/mips/include/asm/atomic.h
View File

@ -50,7 +50,7 @@
static __inline__ void atomic_add(int i, atomic_t * v)
{
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -62,7 +62,7 @@ static __inline__ void atomic_add(int i, atomic_t * v)
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else if (cpu_has_llsc) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -95,7 +95,7 @@ static __inline__ void atomic_add(int i, atomic_t * v)
static __inline__ void atomic_sub(int i, atomic_t * v)
{
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -107,7 +107,7 @@ static __inline__ void atomic_sub(int i, atomic_t * v)
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else if (cpu_has_llsc) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -135,12 +135,12 @@ static __inline__ void atomic_sub(int i, atomic_t * v)
*/
static __inline__ int atomic_add_return(int i, atomic_t * v)
{
unsigned long result;
int result;
smp_llsc_mb();
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -154,7 +154,7 @@ static __inline__ int atomic_add_return(int i, atomic_t * v)
: "Ir" (i), "m" (v->counter)
: "memory");
} else if (cpu_has_llsc) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -187,12 +187,12 @@ static __inline__ int atomic_add_return(int i, atomic_t * v)
static __inline__ int atomic_sub_return(int i, atomic_t * v)
{
unsigned long result;
int result;
smp_llsc_mb();
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -206,7 +206,7 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
: "Ir" (i), "m" (v->counter)
: "memory");
} else if (cpu_has_llsc) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -247,12 +247,12 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v)
*/
static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
{
unsigned long result;
int result;
smp_llsc_mb();
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -270,7 +270,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v)
: "Ir" (i), "m" (v->counter)
: "memory");
} else if (cpu_has_llsc) {
unsigned long temp;
int temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -429,7 +429,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
static __inline__ void atomic64_add(long i, atomic64_t * v)
{
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -441,7 +441,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else if (cpu_has_llsc) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -474,7 +474,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v)
static __inline__ void atomic64_sub(long i, atomic64_t * v)
{
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -486,7 +486,7 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
: "=&r" (temp), "=m" (v->counter)
: "Ir" (i), "m" (v->counter));
} else if (cpu_has_llsc) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -514,12 +514,12 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v)
*/
static __inline__ long atomic64_add_return(long i, atomic64_t * v)
{
unsigned long result;
long result;
smp_llsc_mb();
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -533,7 +533,7 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
: "Ir" (i), "m" (v->counter)
: "memory");
} else if (cpu_has_llsc) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -566,12 +566,12 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v)
static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
{
unsigned long result;
long result;
smp_llsc_mb();
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -585,7 +585,7 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
: "Ir" (i), "m" (v->counter)
: "memory");
} else if (cpu_has_llsc) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -626,12 +626,12 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
*/
static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
{
unsigned long result;
long result;
smp_llsc_mb();
if (cpu_has_llsc && R10000_LLSC_WAR) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"
@ -649,7 +649,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v)
: "Ir" (i), "m" (v->counter)
: "memory");
} else if (cpu_has_llsc) {
unsigned long temp;
long temp;
__asm__ __volatile__(
" .set mips3 \n"

5
arch/mips/include/asm/mach-rc32434/gpio.h
View File

@ -80,11 +80,8 @@ struct rb532_gpio_reg {
/* Compact Flash GPIO pin */
#define CF_GPIO_NUM 13
extern void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val);
extern unsigned get_434_reg(unsigned reg_offs);
extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask);
extern unsigned char get_latch_u5(void);
extern void rb532_gpio_set_ilevel(int bit, unsigned gpio);
extern void rb532_gpio_set_istat(int bit, unsigned gpio);
extern void rb532_gpio_set_func(unsigned gpio);
#endif /* _RC32434_GPIO_H_ */

3
arch/mips/include/asm/mach-rc32434/irq.h
View File

@ -30,4 +30,7 @@
#define ETH0_RX_OVR_IRQ (GROUP3_IRQ_BASE + 9)
#define ETH0_TX_UND_IRQ (GROUP3_IRQ_BASE + 10)
#define GPIO_MAPPED_IRQ_BASE GROUP4_IRQ_BASE
#define GPIO_MAPPED_IRQ_GROUP 4
#endif /* __ASM_RC32434_IRQ_H */

3
arch/mips/include/asm/mach-rc32434/rb.h
View File

@ -83,4 +83,7 @@ struct mpmc_device {
void __iomem *base;
};
extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask);
extern unsigned char get_latch_u5(void);
#endif /* __ASM_RC32434_RB_H */

2
arch/mips/include/asm/ptrace.h
View File

@ -105,7 +105,7 @@ struct pt_watch_regs {
enum pt_watch_style style;
union {
struct mips32_watch_regs mips32;
struct mips32_watch_regs mips64;
struct mips64_watch_regs mips64;
};
};

98
arch/mips/include/asm/termios.h
View File

@ -9,6 +9,7 @@
#ifndef _ASM_TERMIOS_H
#define _ASM_TERMIOS_H
#include <linux/errno.h>
#include <asm/termbits.h>
#include <asm/ioctls.h>
@ -94,38 +95,81 @@ struct termio {
/*
* Translate a "termio" structure into a "termios". Ugh.
*/
#define user_termio_to_kernel_termios(termios, termio) \
({ \
unsigned short tmp; \
get_user(tmp, &(termio)->c_iflag); \
(termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
get_user(tmp, &(termio)->c_oflag); \
(termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
get_user(tmp, &(termio)->c_cflag); \
(termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
get_user(tmp, &(termio)->c_lflag); \
(termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
get_user((termios)->c_line, &(termio)->c_line); \
copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
})
static inline int user_termio_to_kernel_termios(struct ktermios *termios,
struct termio __user *termio)
{
unsigned short iflag, oflag, cflag, lflag;
unsigned int err;
if (!access_ok(VERIFY_READ, termio, sizeof(struct termio)))
return -EFAULT;
err = __get_user(iflag, &termio->c_iflag);
termios->c_iflag = (termios->c_iflag & 0xffff0000) | iflag;
err |=__get_user(oflag, &termio->c_oflag);
termios->c_oflag = (termios->c_oflag & 0xffff0000) | oflag;
err |=__get_user(cflag, &termio->c_cflag);
termios->c_cflag = (termios->c_cflag & 0xffff0000) | cflag;
err |=__get_user(lflag, &termio->c_lflag);
termios->c_lflag = (termios->c_lflag & 0xffff0000) | lflag;
err |=__get_user(termios->c_line, &termio->c_line);
if (err)
return -EFAULT;
if (__copy_from_user(termios->c_cc, termio->c_cc, NCC))
return -EFAULT;
return 0;
}
/*
* Translate a "termios" structure into a "termio". Ugh.
*/
#define kernel_termios_to_user_termio(termio, termios) \
({ \
put_user((termios)->c_iflag, &(termio)->c_iflag); \
put_user((termios)->c_oflag, &(termio)->c_oflag); \
put_user((termios)->c_cflag, &(termio)->c_cflag); \
put_user((termios)->c_lflag, &(termio)->c_lflag); \
put_user((termios)->c_line, &(termio)->c_line); \
copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
})
static inline int kernel_termios_to_user_termio(struct termio __user *termio,
struct ktermios *termios)
{
int err;
#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
if (!access_ok(VERIFY_WRITE, termio, sizeof(struct termio)))
return -EFAULT;
err = __put_user(termios->c_iflag, &termio->c_iflag);
err |= __put_user(termios->c_oflag, &termio->c_oflag);
err |= __put_user(termios->c_cflag, &termio->c_cflag);
err |= __put_user(termios->c_lflag, &termio->c_lflag);
err |= __put_user(termios->c_line, &termio->c_line);
if (err)
return -EFAULT;
if (__copy_to_user(termio->c_cc, termios->c_cc, NCC))
return -EFAULT;
return 0;
}
static inline int user_termios_to_kernel_termios(struct ktermios __user *k,
struct termios2 *u)
{
return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0;
}
static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
struct ktermios *k)
{
return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0;
}
static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
struct termios __user *u)
{
return copy_from_user(k, u, sizeof(struct termios)) ? -EFAULT : 0;
}
static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
struct ktermios *k)
{
return copy_to_user(u, k, sizeof(struct termios)) ? -EFAULT : 0;
}
#endif /* defined(__KERNEL__) */

1
arch/mips/include/asm/txx9/tx4939.h
View File

@ -541,5 +541,6 @@ void tx4939_irq_init(void);
int tx4939_irq(void);
void tx4939_mtd_init(int ch);
void tx4939_ata_init(void);
void tx4939_rtc_init(void);
#endif /* __ASM_TXX9_TX4939_H */

6
arch/mips/kernel/genex.S
View File

@ -458,7 +458,11 @@ NESTED(nmi_handler, PT_SIZE, sp)
BUILD_HANDLER fpe fpe fpe silent /* #15 */
BUILD_HANDLER mdmx mdmx sti silent /* #22 */
#ifdef CONFIG_HARDWARE_WATCHPOINTS
BUILD_HANDLER watch watch sti silent /* #23 */
/*
* For watch, interrupts will be enabled after the watch
* registers are read.
*/
BUILD_HANDLER watch watch cli silent /* #23 */
#else
BUILD_HANDLER watch watch sti verbose /* #23 */
#endif

3
arch/mips/kernel/mips-mt-fpaff.c
View File

@ -79,7 +79,8 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
euid = current_euid();
retval = -EPERM;
if (euid != p->euid && euid != p->uid && !capable(CAP_SYS_NICE)) {
if (euid != p->cred->euid && euid != p->cred->uid &&
!capable(CAP_SYS_NICE)) {
read_unlock(&tasklist_lock);
goto out_unlock;
}

16
arch/mips/kernel/traps.c
View File

@ -944,6 +944,9 @@ asmlinkage void do_mdmx(struct pt_regs *regs)
force_sig(SIGILL, current);
}
/*
* Called with interrupts disabled.
*/
asmlinkage void do_watch(struct pt_regs *regs)
{
u32 cause;
@ -963,9 +966,12 @@ asmlinkage void do_watch(struct pt_regs *regs)
*/
if (test_tsk_thread_flag(current, TIF_LOAD_WATCH)) {
mips_read_watch_registers();
local_irq_enable();
force_sig(SIGTRAP, current);
} else
} else {
mips_clear_watch_registers();
local_irq_enable();
}
}
asmlinkage void do_mcheck(struct pt_regs *regs)
@ -1582,7 +1588,11 @@ void __init set_handler(unsigned long offset, void *addr, unsigned long size)
static char panic_null_cerr[] __cpuinitdata =
"Trying to set NULL cache error exception handler";
/* Install uncached CPU exception handler */
/*
* Install uncached CPU exception handler.
* This is suitable only for the cache error exception which is the only
* exception handler that is being run uncached.
*/
void __cpuinit set_uncached_handler(unsigned long offset, void *addr,
unsigned long size)
{
@ -1593,7 +1603,7 @@ void __cpuinit set_uncached_handler(unsigned long offset, void *addr,
unsigned long uncached_ebase = TO_UNCAC(ebase);
#endif
if (cpu_has_mips_r2)
ebase += (read_c0_ebase() & 0x3ffff000);
uncached_ebase += (read_c0_ebase() & 0x3ffff000);
if (!addr)
panic(panic_null_cerr);

2
arch/mips/lib/memcpy-inatomic.S
View File

@ -21,7 +21,7 @@
* end of memory on some systems. It's also a seriously bad idea on non
* dma-coherent systems.
*/
#if !defined(CONFIG_DMA_COHERENT) || !defined(CONFIG_DMA_IP27)
#ifdef CONFIG_DMA_NONCOHERENT
#undef CONFIG_CPU_HAS_PREFETCH
#endif
#ifdef CONFIG_MIPS_MALTA

2
arch/mips/lib/memcpy.S
View File

@ -21,7 +21,7 @@
* end of memory on some systems. It's also a seriously bad idea on non
* dma-coherent systems.
*/
#if !defined(CONFIG_DMA_COHERENT) || !defined(CONFIG_DMA_IP27)
#ifdef CONFIG_DMA_NONCOHERENT
#undef CONFIG_CPU_HAS_PREFETCH
#endif
#ifdef CONFIG_MIPS_MALTA

22
arch/mips/mm/c-r4k.c
View File

@ -618,15 +618,35 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size)
if (cpu_has_inclusive_pcaches) {
if (size >= scache_size)
r4k_blast_scache();
else
else {
unsigned long lsize = cpu_scache_line_size();
unsigned long almask = ~(lsize - 1);
/*
* There is no clearly documented alignment requirement
* for the cache instruction on MIPS processors and
* some processors, among them the RM5200 and RM7000
* QED processors will throw an address error for cache
* hit ops with insufficient alignment. Solved by
* aligning the address to cache line size.
*/
cache_op(Hit_Writeback_Inv_SD, addr & almask);
cache_op(Hit_Writeback_Inv_SD,
(addr + size - 1) & almask);
blast_inv_scache_range(addr, addr + size);
}
return;
}
if (cpu_has_safe_index_cacheops && size >= dcache_size) {
r4k_blast_dcache();
} else {
unsigned long lsize = cpu_dcache_line_size();
unsigned long almask = ~(lsize - 1);
R4600_HIT_CACHEOP_WAR_IMPL;
cache_op(Hit_Writeback_Inv_D, addr & almask);
cache_op(Hit_Writeback_Inv_D, (addr + size - 1) & almask);
blast_inv_dcache_range(addr, addr + size);
}

21
arch/mips/mm/fault.c
View File

@ -97,7 +97,6 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write,
goto bad_area;
}
survive:
/*
* If for any reason at all we couldn't handle the fault,
* make sure we exit gracefully rather than endlessly redo
@ -167,21 +166,13 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write,
field, regs->regs[31]);
die("Oops", regs);
/*
* We ran out of memory, or some other thing happened to us that made
* us unable to handle the page fault gracefully.
*/
out_of_memory:
up_read(&mm->mmap_sem);
if (is_global_init(tsk)) {
yield();
down_read(&mm->mmap_sem);
goto survive;
}
printk("VM: killing process %s\n", tsk->comm);
if (user_mode(regs))
do_group_exit(SIGKILL);
goto no_context;
/*
* We ran out of memory, call the OOM killer, and return the userspace
* (which will retry the fault, or kill us if we got oom-killed).
*/
pagefault_out_of_memory();
return;
do_sigbus:
up_read(&mm->mmap_sem);

11
arch/mips/pci/pci-rc32434.c
View File

@ -205,6 +205,8 @@ static int __init rc32434_pcibridge_init(void)
static int __init rc32434_pci_init(void)
{
void __iomem *io_map_base;
pr_info("PCI: Initializing PCI\n");
ioport_resource.start = rc32434_res_pci_io1.start;
@ -212,6 +214,15 @@ static int __init rc32434_pci_init(void)
rc32434_pcibridge_init();
io_map_base = ioremap(rc32434_res_pci_io1.start,
rc32434_res_pci_io1.end - rc32434_res_pci_io1.start + 1);
if (!io_map_base)
return -ENOMEM;
rc32434_controller.io_map_base =
(unsigned long)io_map_base - rc32434_res_pci_io1.start;
register_pci_controller(&rc32434_controller);
rc32434_sync();

57
arch/mips/rb532/devices.c
View File

@ -24,6 +24,7 @@
#include <linux/mtd/partitions.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/serial_8250.h>
#include <asm/bootinfo.h>
@ -39,6 +40,29 @@
#define ETH0_RX_DMA_ADDR (DMA0_BASE_ADDR + 0 * DMA_CHAN_OFFSET)
#define ETH0_TX_DMA_ADDR (DMA0_BASE_ADDR + 1 * DMA_CHAN_OFFSET)
extern unsigned int idt_cpu_freq;
static struct mpmc_device dev3;
void set_latch_u5(unsigned char or_mask, unsigned char nand_mask)
{
unsigned long flags;
spin_lock_irqsave(&dev3.lock, flags);
dev3.state = (dev3.state | or_mask) & ~nand_mask;
writeb(dev3.state, dev3.base);
spin_unlock_irqrestore(&dev3.lock, flags);
}
EXPORT_SYMBOL(set_latch_u5);
unsigned char get_latch_u5(void)
{
return dev3.state;
}
EXPORT_SYMBOL(get_latch_u5);
static struct resource korina_dev0_res[] = {
{
.name = "korina_regs",
@ -86,7 +110,7 @@ static struct korina_device korina_dev0_data = {
static struct platform_device korina_dev0 = {
.id = -1,
.name = "korina",
.dev.platform_data = &korina_dev0_data,
.dev.driver_data = &korina_dev0_data,
.resource = korina_dev0_res,
.num_resources = ARRAY_SIZE(korina_dev0_res),
};
@ -214,12 +238,32 @@ static struct platform_device rb532_wdt = {
.num_resources = ARRAY_SIZE(rb532_wdt_res),
};
static struct plat_serial8250_port rb532_uart_res[] = {
{
.membase = (char *)KSEG1ADDR(REGBASE + UART0BASE),
.irq = UART0_IRQ,
.regshift = 2,
.iotype = UPIO_MEM,
.flags = UPF_BOOT_AUTOCONF,
},
{
.flags = 0,
}
};
static struct platform_device rb532_uart = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev.platform_data = &rb532_uart_res,
};
static struct platform_device *rb532_devs[] = {
&korina_dev0,
&nand_slot0,
&cf_slot0,
&rb532_led,
&rb532_button,
&rb532_uart,
&rb532_wdt
};
@ -291,9 +335,20 @@ static int __init plat_setup_devices(void)
nand_slot0_res[0].start = readl(IDT434_REG_BASE + DEV2BASE);
nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000;
/* Read and map device controller 3 */
dev3.base = ioremap_nocache(readl(IDT434_REG_BASE + DEV3BASE), 1);
if (!dev3.base) {
printk(KERN_ERR "rb532: cannot remap device controller 3\n");
return -ENXIO;
}
/* Initialise the NAND device */
rb532_nand_setup();
/* set the uart clock to the current cpu frequency */
rb532_uart_res[0].uartclk = idt_cpu_freq;
return platform_add_devices(rb532_devs, ARRAY_SIZE(rb532_devs));
}

90
arch/mips/rb532/gpio.c
View File

@ -41,8 +41,6 @@ struct rb532_gpio_chip {
void __iomem *regbase;
};
struct mpmc_device dev3;
static struct resource rb532_gpio_reg0_res[] = {
{
.name = "gpio_reg0",
@ -52,61 +50,6 @@ static struct resource rb532_gpio_reg0_res[] = {
}
};
static struct resource rb532_dev3_ctl_res[] = {
{
.name = "dev3_ctl",
.start = REGBASE + DEV3BASE,
.end = REGBASE + DEV3BASE + sizeof(struct dev_reg) - 1,
.flags = IORESOURCE_MEM,
}
};
void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val)
{
unsigned long flags;
unsigned data;
unsigned i = 0;
spin_lock_irqsave(&dev3.lock, flags);
data = readl(IDT434_REG_BASE + reg_offs);
for (i = 0; i != len; ++i) {
if (val & (1 << i))
data |= (1 << (i + bit));
else
data &= ~(1 << (i + bit));
}
writel(data, (IDT434_REG_BASE + reg_offs));
spin_unlock_irqrestore(&dev3.lock, flags);
}
EXPORT_SYMBOL(set_434_reg);
unsigned get_434_reg(unsigned reg_offs)
{
return readl(IDT434_REG_BASE + reg_offs);
}
EXPORT_SYMBOL(get_434_reg);
void set_latch_u5(unsigned char or_mask, unsigned char nand_mask)
{
unsigned long flags;
spin_lock_irqsave(&dev3.lock, flags);
dev3.state = (dev3.state | or_mask) & ~nand_mask;
writel(dev3.state, &dev3.base);
spin_unlock_irqrestore(&dev3.lock, flags);
}
EXPORT_SYMBOL(set_latch_u5);
unsigned char get_latch_u5(void)
{
return dev3.state;
}
EXPORT_SYMBOL(get_latch_u5);
/* rb532_set_bit - sanely set a bit
*
* bitval: new value for the bit
@ -119,13 +62,11 @@ static inline void rb532_set_bit(unsigned bitval,
unsigned long flags;
u32 val;
bitval = !!bitval; /* map parameter to {0,1} */
local_irq_save(flags);
val = readl(ioaddr);
val &= ~( ~bitval << offset ); /* unset bit if bitval == 0 */
val |= ( bitval << offset ); /* set bit if bitval == 1 */
val &= ~(!bitval << offset); /* unset bit if bitval == 0 */
val |= (!!bitval << offset); /* set bit if bitval == 1 */
writel(val, ioaddr);
local_irq_restore(flags);
@ -171,8 +112,8 @@ static int rb532_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
gpch = container_of(chip, struct rb532_gpio_chip, chip);
if (rb532_get_bit(offset, gpch->regbase + GPIOFUNC))
return 1; /* alternate function, GPIOCFG is ignored */
/* disable alternate function in case it's set */
rb532_set_bit(0, offset, gpch->regbase + GPIOFUNC);
rb532_set_bit(0, offset, gpch->regbase + GPIOCFG);
return 0;
@ -188,8 +129,8 @@ static int rb532_gpio_direction_output(struct gpio_chip *chip,
gpch = container_of(chip, struct rb532_gpio_chip, chip);
if (rb532_get_bit(offset, gpch->regbase + GPIOFUNC))
return 1; /* alternate function, GPIOCFG is ignored */
/* disable alternate function in case it's set */
rb532_set_bit(0, offset, gpch->regbase + GPIOFUNC);
/* set the initial output value */
rb532_set_bit(value, offset, gpch->regbase + GPIOD);
@ -233,10 +174,11 @@ EXPORT_SYMBOL(rb532_gpio_set_istat);
/*
* Configure GPIO alternate function
*/
static void rb532_gpio_set_func(int bit, unsigned gpio)
void rb532_gpio_set_func(unsigned gpio)
{
rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOFUNC);
rb532_set_bit(1, gpio, rb532_gpio_chip->regbase + GPIOFUNC);
}
EXPORT_SYMBOL(rb532_gpio_set_func);
int __init rb532_gpio_init(void)
{
@ -253,20 +195,6 @@ int __init rb532_gpio_init(void)
/* Register our GPIO chip */
gpiochip_add(&rb532_gpio_chip->chip);
r = rb532_dev3_ctl_res;
dev3.base = ioremap_nocache(r->start, r->end - r->start);
if (!dev3.base) {
printk(KERN_ERR "rb532: cannot remap device controller 3\n");
return -ENXIO;
}
/* configure CF_GPIO_NUM as CFRDY IRQ source */
rb532_gpio_set_func(0, CF_GPIO_NUM);
rb532_gpio_direction_input(&rb532_gpio_chip->chip, CF_GPIO_NUM);
rb532_gpio_set_ilevel(1, CF_GPIO_NUM);
rb532_gpio_set_istat(0, CF_GPIO_NUM);
return 0;
}
arch_initcall(rb532_gpio_init);

27
arch/mips/rb532/irq.c
View File

@ -46,6 +46,7 @@
#include <asm/system.h>
#include <asm/mach-rc32434/irq.h>
#include <asm/mach-rc32434/gpio.h>
struct intr_group {
u32 mask; /* mask of valid bits in pending/mask registers */
@ -150,6 +151,9 @@ static void rb532_disable_irq(unsigned int irq_nr)
mask |= intr_bit;
WRITE_MASK(addr, mask);
if (group == GPIO_MAPPED_IRQ_GROUP)
rb532_gpio_set_istat(0, irq_nr - GPIO_MAPPED_IRQ_BASE);
/*
* if there are no more interrupts enabled in this
* group, disable corresponding IP
@ -165,12 +169,35 @@ static void rb532_mask_and_ack_irq(unsigned int irq_nr)
ack_local_irq(group_to_ip(irq_to_group(irq_nr)));
}
static int rb532_set_type(unsigned int irq_nr, unsigned type)
{
int gpio = irq_nr - GPIO_MAPPED_IRQ_BASE;
int group = irq_to_group(irq_nr);
if (group != GPIO_MAPPED_IRQ_GROUP)
return (type == IRQ_TYPE_LEVEL_HIGH) ? 0 : -EINVAL;
switch (type) {
case IRQ_TYPE_LEVEL_HIGH:
rb532_gpio_set_ilevel(1, gpio);
break;
case IRQ_TYPE_LEVEL_LOW:
rb532_gpio_set_ilevel(0, gpio);
break;
default:
return -EINVAL;
}
return 0;
}
static struct irq_chip rc32434_irq_type = {
.name = "RB532",
.ack = rb532_disable_irq,
.mask = rb532_disable_irq,
.mask_ack = rb532_mask_and_ack_irq,
.unmask = rb532_enable_irq,
.set_type = rb532_set_type,
};
void __init arch_init_irq(void)

2
arch/mips/rb532/serial.c
View File

@ -36,7 +36,7 @@
extern unsigned int idt_cpu_freq;
static struct uart_port rb532_uart = {
.type = PORT_16550A,
.flags = UPF_BOOT_AUTOCONF,
.line = 0,
.irq = UART0_IRQ,
.iotype = UPIO_MEM,

22
arch/mips/txx9/generic/setup_tx4939.c
View File

@ -435,6 +435,28 @@ void __init tx4939_ata_init(void)
platform_device_register(&ata1_dev);
}
void __init tx4939_rtc_init(void)
{
static struct resource res[] = {
{
.start = TX4939_RTC_REG & 0xfffffffffULL,
.end = (TX4939_RTC_REG & 0xfffffffffULL) + 0x100 - 1,
.flags = IORESOURCE_MEM,
}, {
.start = TXX9_IRQ_BASE + TX4939_IR_RTC,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device rtc_dev = {
.name = "tx4939rtc",
.id = -1,
.num_resources = ARRAY_SIZE(res),
.resource = res,
};
platform_device_register(&rtc_dev);
}
static void __init tx4939_stop_unused_modules(void)
{
__u64 pcfg, rst = 0, ckd = 0;

1
arch/mips/txx9/rbtx4939/setup.c
View File

@ -336,6 +336,7 @@ static void __init rbtx4939_device_init(void)
rbtx4939_led_setup();
tx4939_wdt_init();
tx4939_ata_init();
tx4939_rtc_init();
}
static void __init rbtx4939_setup(void)