* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: parport_mfc3 - Not makes it a bool before the comparison.
m68k: don't export static inline functions
fbdev: atafb - add palette register check
m68k: Remove the BKL from sys_execve
m68k: Cleanup linker scripts using new linker script macros.
m68k: Make thread_info.h usable from assembly.
m68knommu: define arch_has_single_step() and friends
m68k: ptrace fixes
m68k: use generic code for ptrace requests
rtc: Add an RTC driver for the Ricoh RP5C01
rtc: Add an RTC driver for the Oki MSM6242
#define PTRACE_GETFPREGS 14
#define PTRACE_SETFPREGS 15
+#define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */
+
#ifdef __KERNEL__
#ifndef PS_S
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
extern void show_regs(struct pt_regs *);
+
+/*
+ * These are defined as per linux/ptrace.h, which see.
+ */
+struct task_struct;
+
+#define arch_has_single_step() (1)
+extern void user_enable_single_step(struct task_struct *);
+extern void user_disable_single_step(struct task_struct *);
+
+#ifdef CONFIG_MMU
+#define arch_has_block_step() (1)
+extern void user_enable_block_step(struct task_struct *);
+#endif
+
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
#endif /* _M68K_PTRACE_H */
#ifndef ASM_OFFSETS_C
#include <asm/asm-offsets.h>
#endif
-#include <asm/current.h>
#include <asm/types.h>
#include <asm/page.h>
+#ifndef __ASSEMBLY__
+#include <asm/current.h>
+
struct thread_info {
struct task_struct *task; /* main task structure */
unsigned long flags;
__u32 cpu; /* should always be 0 on m68k */
struct restart_block restart_block;
};
+#endif /* __ASSEMBLY__ */
#define PREEMPT_ACTIVE 0x4000000
addql #8,%sp
RESTORE_SWITCH_STACK
addql #4,%sp
- jbra resume_userspace
+ tstl %d0
+ jeq resume_userspace
+ | when single stepping into handler stop at the first insn
+ btst #6,%curptr@(TASK_INFO+TINFO_FLAGS+2)
+ jeq resume_userspace
do_delayed_trace:
bclr #7,%sp@(PT_OFF_SR) | clear trace bit in SR
char * filename;
struct pt_regs *regs = (struct pt_regs *) &name;
- lock_kernel();
filename = getname(name);
error = PTR_ERR(filename);
if (IS_ERR(filename))
- goto out;
+ return error;
error = do_execve(filename, argv, envp, regs);
putname(filename);
-out:
- unlock_kernel();
return error;
}
#define SR_MASK 0x001f
/* sets the trace bits. */
-#define TRACE_BITS 0x8000
+#define TRACE_BITS 0xC000
+#define T1_BIT 0x8000
+#define T0_BIT 0x4000
/* Find the stack offset for a register, relative to thread.esp0. */
#define PT_REG(reg) ((long)&((struct pt_regs *)0)->reg)
/* Mapping from PT_xxx to the stack offset at which the register is
saved. Notice that usp has no stack-slot and needs to be treated
specially (see get_reg/put_reg below). */
-static int regoff[] = {
+static const int regoff[] = {
[0] = PT_REG(d1),
[1] = PT_REG(d2),
[2] = PT_REG(d3),
addr = (unsigned long *)(task->thread.esp0 + regoff[regno]);
else
return 0;
+ /* Need to take stkadj into account. */
+ if (regno == PT_SR || regno == PT_PC) {
+ long stkadj = *(long *)(task->thread.esp0 + PT_REG(stkadj));
+ addr = (unsigned long *) ((unsigned long)addr + stkadj);
+ /* The sr is actually a 16 bit register. */
+ if (regno == PT_SR)
+ return *(unsigned short *)addr;
+ }
return *addr;
}
addr = (unsigned long *)(task->thread.esp0 + regoff[regno]);
else
return -1;
+ /* Need to take stkadj into account. */
+ if (regno == PT_SR || regno == PT_PC) {
+ long stkadj = *(long *)(task->thread.esp0 + PT_REG(stkadj));
+ addr = (unsigned long *) ((unsigned long)addr + stkadj);
+ /* The sr is actually a 16 bit register. */
+ if (regno == PT_SR) {
+ *(unsigned short *)addr = data;
+ return 0;
+ }
+ }
*addr = data;
return 0;
}
*/
static inline void singlestep_disable(struct task_struct *child)
{
- unsigned long tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
+ unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS;
put_reg(child, PT_SR, tmp);
clear_tsk_thread_flag(child, TIF_DELAYED_TRACE);
}
singlestep_disable(child);
}
+void user_enable_single_step(struct task_struct *child)
+{
+ unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS;
+ put_reg(child, PT_SR, tmp | T1_BIT);
+ set_tsk_thread_flag(child, TIF_DELAYED_TRACE);
+}
+
+void user_enable_block_step(struct task_struct *child)
+{
+ unsigned long tmp = get_reg(child, PT_SR) & ~TRACE_BITS;
+ put_reg(child, PT_SR, tmp | T0_BIT);
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+ singlestep_disable(child);
+}
+
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
{
unsigned long tmp;
int i, ret = 0;
switch (request) {
- /* when I and D space are separate, these will need to be fixed. */
- case PTRACE_PEEKTEXT: /* read word at location addr. */
- case PTRACE_PEEKDATA:
- ret = generic_ptrace_peekdata(child, addr, data);
- break;
-
/* read the word at location addr in the USER area. */
case PTRACE_PEEKUSR:
if (addr & 3)
if (addr >= 0 && addr < 19) {
tmp = get_reg(child, addr);
- if (addr == PT_SR)
- tmp >>= 16;
} else if (addr >= 21 && addr < 49) {
tmp = child->thread.fp[addr - 21];
/* Convert internal fpu reg representation
tmp = ((tmp & 0xffff0000) << 15) |
((tmp & 0x0000ffff) << 16);
} else
- break;
+ goto out_eio;
ret = put_user(tmp, (unsigned long *)data);
break;
- /* when I and D space are separate, this will have to be fixed. */
- case PTRACE_POKETEXT: /* write the word at location addr. */
- case PTRACE_POKEDATA:
- ret = generic_ptrace_pokedata(child, addr, data);
- break;
-
case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
if (addr & 3)
goto out_eio;
if (addr == PT_SR) {
data &= SR_MASK;
- data <<= 16;
- data |= get_reg(child, PT_SR) & ~(SR_MASK << 16);
- } else if (addr >= 0 && addr < 19) {
+ data |= get_reg(child, PT_SR) & ~SR_MASK;
+ }
+ if (addr >= 0 && addr < 19) {
if (put_reg(child, addr, data))
goto out_eio;
} else if (addr >= 21 && addr < 48) {
goto out_eio;
break;
- case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
- case PTRACE_CONT: /* restart after signal. */
- if (!valid_signal(data))
- goto out_eio;
-
- if (request == PTRACE_SYSCALL)
- set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- else
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- child->exit_code = data;
- singlestep_disable(child);
- wake_up_process(child);
- break;
-
- /*
- * make the child exit. Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
- case PTRACE_KILL:
- if (child->exit_state == EXIT_ZOMBIE) /* already dead */
- break;
- child->exit_code = SIGKILL;
- singlestep_disable(child);
- wake_up_process(child);
- break;
-
- case PTRACE_SINGLESTEP: /* set the trap flag. */
- if (!valid_signal(data))
- goto out_eio;
-
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- tmp = get_reg(child, PT_SR) | (TRACE_BITS << 16);
- put_reg(child, PT_SR, tmp);
- set_tsk_thread_flag(child, TIF_DELAYED_TRACE);
-
- child->exit_code = data;
- /* give it a chance to run. */
- wake_up_process(child);
- break;
-
case PTRACE_GETREGS: /* Get all gp regs from the child. */
for (i = 0; i < 19; i++) {
tmp = get_reg(child, i);
- if (i == PT_SR)
- tmp >>= 16;
ret = put_user(tmp, (unsigned long *)data);
if (ret)
break;
break;
if (i == PT_SR) {
tmp &= SR_MASK;
- tmp <<= 16;
- tmp |= get_reg(child, PT_SR) & ~(SR_MASK << 16);
+ tmp |= get_reg(child, PT_SR) & ~SR_MASK;
}
put_reg(child, i, tmp);
data += sizeof(long);
#include <asm-generic/vmlinux.lds.h>
#include <asm/page.h>
+#include <asm/thread_info.h>
OUTPUT_FORMAT("elf32-m68k", "elf32-m68k", "elf32-m68k")
OUTPUT_ARCH(m68k)
_etext = .; /* End of text section */
- . = ALIGN(16); /* Exception table */
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
+ EXCEPTION_TABLE(16)
RODATA
- .data : { /* Data */
- DATA_DATA
- CONSTRUCTORS
- }
+ RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
- . = ALIGN(16);
- .data.cacheline_aligned : { *(.data.cacheline_aligned) }
-
- .bss : { *(.bss) } /* BSS */
+ BSS_SECTION(0, 0, 0)
_edata = .; /* End of data section */
/* will be freed after init */
. = ALIGN(PAGE_SIZE); /* Init code and data */
__init_begin = .;
- .init.text : {
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- } :data
- .init.data : { INIT_DATA }
- . = ALIGN(16);
- __setup_start = .;
- .init.setup : { *(.init.setup) }
- __setup_end = .;
- __initcall_start = .;
- .initcall.init : {
- INITCALLS
- }
- __initcall_end = .;
- __con_initcall_start = .;
- .con_initcall.init : { *(.con_initcall.init) }
- __con_initcall_end = .;
+ INIT_TEXT_SECTION(PAGE_SIZE) :data
+ INIT_DATA_SECTION(16)
.m68k_fixup : {
__start_fixup = .;
*(.m68k_fixup)
__stop_fixup = .;
}
- SECURITY_INIT
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(8192);
- __initramfs_start = .;
- .init.ramfs : { *(.init.ramfs) }
- __initramfs_end = .;
-#endif
NOTES
- . = ALIGN(8192);
- __init_end = .;
-
- .data.init_task : { *(.data.init_task) } /* The initial task and kernel stack */
+ .init_end : {
+ /* This ALIGN be in a section so that _end is at the end of the
+ load segment. */
+ . = ALIGN(PAGE_SIZE);
+ __init_end = .;
+ }
_end = . ;
- /* Stabs debugging sections. */
- .stab 0 : { *(.stab) }
- .stabstr 0 : { *(.stabstr) }
- .stab.excl 0 : { *(.stab.excl) }
- .stab.exclstr 0 : { *(.stab.exclstr) }
- .stab.index 0 : { *(.stab.index) }
- .stab.indexstr 0 : { *(.stab.indexstr) }
+ STABS_DEBUG
.comment 0 : { *(.comment) }
/* Sections to be discarded */
#include <asm-generic/vmlinux.lds.h>
#include <asm/page.h>
+#include <asm/thread_info.h>
OUTPUT_FORMAT("elf32-m68k", "elf32-m68k", "elf32-m68k")
OUTPUT_ARCH(m68k)
_etext = .; /* End of text section */
- .data : { /* Data */
- DATA_DATA
- CONSTRUCTORS
- . = ALIGN(16); /* Exception table */
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
- } :data
+ EXCEPTION_TABLE(16) :data
+ RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE) :data
/* End of data goes *here* so that freeing init code works properly. */
_edata = .;
NOTES
/* will be freed after init */
. = ALIGN(PAGE_SIZE); /* Init code and data */
__init_begin = .;
- .init.text : {
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- }
- .init.data : { INIT_DATA }
- . = ALIGN(16);
- __setup_start = .;
- .init.setup : { *(.init.setup) }
- __setup_end = .;
- __initcall_start = .;
- .initcall.init : {
- INITCALLS
- }
- __initcall_end = .;
- __con_initcall_start = .;
- .con_initcall.init : { *(.con_initcall.init) }
- __con_initcall_end = .;
+ INIT_TEXT_SECTION(PAGE_SIZE)
+ INIT_DATA_SECTION(16)
.m68k_fixup : {
__start_fixup = .;
*(.m68k_fixup)
__stop_fixup = .;
}
- SECURITY_INIT
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(PAGE_SIZE);
- __initramfs_start = .;
- .init.ramfs : { *(.init.ramfs) }
- __initramfs_end = .;
-#endif
. = ALIGN(PAGE_SIZE);
__init_end = .;
- .data.init.task : { *(.data.init_task) }
-
- .bss : { *(.bss) } /* BSS */
+ BSS_SECTION(0, 0, 0)
_end = . ;
- .crap : {
- /* Stabs debugging sections. */
- *(.stab)
- *(.stabstr)
- *(.stab.excl)
- *(.stab.exclstr)
- *(.stab.index)
- *(.stab.indexstr)
- *(.comment)
- *(.note)
- }
+ STABS_DEBUG
/* Sections to be discarded */
DISCARDS
return 0;
}
+void user_enable_single_step(struct task_struct *task)
+{
+ unsigned long srflags;
+ srflags = get_reg(task, PT_SR) | (TRACE_BITS << 16);
+ put_reg(task, PT_SR, srflags);
+}
+
+void user_disable_single_step(struct task_struct *task)
+{
+ unsigned long srflags;
+ srflags = get_reg(task, PT_SR) & ~(TRACE_BITS << 16);
+ put_reg(task, PT_SR, srflags);
+}
+
/*
* Called by kernel/ptrace.c when detaching..
*
*/
void ptrace_disable(struct task_struct *child)
{
- unsigned long tmp;
/* make sure the single step bit is not set. */
- tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
- put_reg(child, PT_SR, tmp);
+ user_disable_single_step(child);
}
long arch_ptrace(struct task_struct *child, long request, long addr, long data)
EXPORT_SYMBOL(dio_match_device);
EXPORT_SYMBOL(dio_register_driver);
EXPORT_SYMBOL(dio_unregister_driver);
-EXPORT_SYMBOL(dio_dev_driver);
EXPORT_SYMBOL(dio_bus_type);
if (!this_port[i])
continue;
parport_remove_port(this_port[i]);
- if (!this_port[i]->irq != PARPORT_IRQ_NONE) {
+ if (this_port[i]->irq != PARPORT_IRQ_NONE) {
if (--use_cnt == 0)
free_irq(IRQ_AMIGA_PORTS, &pp_mfc3_ops);
}
This driver can also be built as a module, if so, the module
will be called "rtc-m48t59".
+config RTC_DRV_MSM6242
+ tristate "Oki MSM6242"
+ help
+ If you say yes here you get support for the Oki MSM6242
+ timekeeping chip. It is used in some Amiga models (e.g. A2000).
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-msm6242.
+
config RTC_MXC
tristate "Freescale MXC Real Time Clock"
depends on ARCH_MXC
This driver can also be built as a module. If so, the module
will be called rtc-bq4802.
+config RTC_DRV_RP5C01
+ tristate "Ricoh RP5C01"
+ help
+ If you say yes here you get support for the Ricoh RP5C01
+ timekeeping chip. It is used in some Amiga models (e.g. A3000
+ and A4000).
+
+ This driver can also be built as a module. If so, the module
+ will be called rtc-rp5c01.
+
config RTC_DRV_V3020
tristate "EM Microelectronic V3020"
help
obj-$(CONFIG_RTC_MXC) += rtc-mxc.o
obj-$(CONFIG_RTC_DRV_MAX6900) += rtc-max6900.o
obj-$(CONFIG_RTC_DRV_MAX6902) += rtc-max6902.o
+obj-$(CONFIG_RTC_DRV_MSM6242) += rtc-msm6242.o
obj-$(CONFIG_RTC_DRV_MV) += rtc-mv.o
obj-$(CONFIG_RTC_DRV_OMAP) += rtc-omap.o
obj-$(CONFIG_RTC_DRV_PCAP) += rtc-pcap.o
obj-$(CONFIG_RTC_DRV_PS3) += rtc-ps3.o
obj-$(CONFIG_RTC_DRV_PXA) += rtc-pxa.o
obj-$(CONFIG_RTC_DRV_R9701) += rtc-r9701.o
+obj-$(CONFIG_RTC_DRV_RP5C01) += rtc-rp5c01.o
obj-$(CONFIG_RTC_DRV_RS5C313) += rtc-rs5c313.o
obj-$(CONFIG_RTC_DRV_RS5C348) += rtc-rs5c348.o
obj-$(CONFIG_RTC_DRV_RS5C372) += rtc-rs5c372.o
--- /dev/null
+/*
+ * Oki MSM6242 RTC Driver
+ *
+ * Copyright 2009 Geert Uytterhoeven
+ *
+ * Based on the A2000 TOD code in arch/m68k/amiga/config.c
+ * Copyright (C) 1993 Hamish Macdonald
+ */
+
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+
+
+enum {
+ MSM6242_SECOND1 = 0x0, /* 1-second digit register */
+ MSM6242_SECOND10 = 0x1, /* 10-second digit register */
+ MSM6242_MINUTE1 = 0x2, /* 1-minute digit register */
+ MSM6242_MINUTE10 = 0x3, /* 10-minute digit register */
+ MSM6242_HOUR1 = 0x4, /* 1-hour digit register */
+ MSM6242_HOUR10 = 0x5, /* PM/AM, 10-hour digit register */
+ MSM6242_DAY1 = 0x6, /* 1-day digit register */
+ MSM6242_DAY10 = 0x7, /* 10-day digit register */
+ MSM6242_MONTH1 = 0x8, /* 1-month digit register */
+ MSM6242_MONTH10 = 0x9, /* 10-month digit register */
+ MSM6242_YEAR1 = 0xa, /* 1-year digit register */
+ MSM6242_YEAR10 = 0xb, /* 10-year digit register */
+ MSM6242_WEEK = 0xc, /* Week register */
+ MSM6242_CD = 0xd, /* Control Register D */
+ MSM6242_CE = 0xe, /* Control Register E */
+ MSM6242_CF = 0xf, /* Control Register F */
+};
+
+#define MSM6242_HOUR10_AM (0 << 2)
+#define MSM6242_HOUR10_PM (1 << 2)
+#define MSM6242_HOUR10_HR_MASK (3 << 0)
+
+#define MSM6242_WEEK_SUNDAY 0
+#define MSM6242_WEEK_MONDAY 1
+#define MSM6242_WEEK_TUESDAY 2
+#define MSM6242_WEEK_WEDNESDAY 3
+#define MSM6242_WEEK_THURSDAY 4
+#define MSM6242_WEEK_FRIDAY 5
+#define MSM6242_WEEK_SATURDAY 6
+
+#define MSM6242_CD_30_S_ADJ (1 << 3) /* 30-second adjustment */
+#define MSM6242_CD_IRQ_FLAG (1 << 2)
+#define MSM6242_CD_BUSY (1 << 1)
+#define MSM6242_CD_HOLD (1 << 0)
+
+#define MSM6242_CE_T_MASK (3 << 2)
+#define MSM6242_CE_T_64HZ (0 << 2) /* period 1/64 second */
+#define MSM6242_CE_T_1HZ (1 << 2) /* period 1 second */
+#define MSM6242_CE_T_1MINUTE (2 << 2) /* period 1 minute */
+#define MSM6242_CE_T_1HOUR (3 << 2) /* period 1 hour */
+
+#define MSM6242_CE_ITRPT_STND (1 << 1)
+#define MSM6242_CE_MASK (1 << 0) /* STD.P output control */
+
+#define MSM6242_CF_TEST (1 << 3)
+#define MSM6242_CF_12H (0 << 2)
+#define MSM6242_CF_24H (1 << 2)
+#define MSM6242_CF_STOP (1 << 1)
+#define MSM6242_CF_REST (1 << 0) /* reset */
+
+
+struct msm6242_priv {
+ u32 __iomem *regs;
+ struct rtc_device *rtc;
+};
+
+static inline unsigned int msm6242_read(struct msm6242_priv *priv,
+ unsigned int reg)
+{
+ return __raw_readl(&priv->regs[reg]) & 0xf;
+}
+
+static inline void msm6242_write(struct msm6242_priv *priv, unsigned int val,
+ unsigned int reg)
+{
+ return __raw_writel(val, &priv->regs[reg]);
+}
+
+static inline void msm6242_set(struct msm6242_priv *priv, unsigned int val,
+ unsigned int reg)
+{
+ msm6242_write(priv, msm6242_read(priv, reg) | val, reg);
+}
+
+static inline void msm6242_clear(struct msm6242_priv *priv, unsigned int val,
+ unsigned int reg)
+{
+ msm6242_write(priv, msm6242_read(priv, reg) & ~val, reg);
+}
+
+static void msm6242_lock(struct msm6242_priv *priv)
+{
+ int cnt = 5;
+
+ msm6242_set(priv, MSM6242_CD_HOLD, MSM6242_CD);
+
+ while ((msm6242_read(priv, MSM6242_CD) & MSM6242_CD_BUSY) && cnt) {
+ msm6242_clear(priv, MSM6242_CD_HOLD, MSM6242_CD);
+ udelay(70);
+ msm6242_set(priv, MSM6242_CD_HOLD, MSM6242_CD);
+ cnt--;
+ }
+
+ if (!cnt)
+ pr_warning("msm6242: timed out waiting for RTC (0x%x)\n",
+ msm6242_read(priv, MSM6242_CD));
+}
+
+static void msm6242_unlock(struct msm6242_priv *priv)
+{
+ msm6242_clear(priv, MSM6242_CD_HOLD, MSM6242_CD);
+}
+
+static int msm6242_read_time(struct device *dev, struct rtc_time *tm)
+{
+ struct msm6242_priv *priv = dev_get_drvdata(dev);
+
+ msm6242_lock(priv);
+
+ tm->tm_sec = msm6242_read(priv, MSM6242_SECOND10) * 10 +
+ msm6242_read(priv, MSM6242_SECOND1);
+ tm->tm_min = msm6242_read(priv, MSM6242_MINUTE10) * 10 +
+ msm6242_read(priv, MSM6242_MINUTE1);
+ tm->tm_hour = (msm6242_read(priv, MSM6242_HOUR10 & 3)) * 10 +
+ msm6242_read(priv, MSM6242_HOUR1);
+ tm->tm_mday = msm6242_read(priv, MSM6242_DAY10) * 10 +
+ msm6242_read(priv, MSM6242_DAY1);
+ tm->tm_wday = msm6242_read(priv, MSM6242_WEEK);
+ tm->tm_mon = msm6242_read(priv, MSM6242_MONTH10) * 10 +
+ msm6242_read(priv, MSM6242_MONTH1) - 1;
+ tm->tm_year = msm6242_read(priv, MSM6242_YEAR10) * 10 +
+ msm6242_read(priv, MSM6242_YEAR1);
+ if (tm->tm_year <= 69)
+ tm->tm_year += 100;
+
+ if (!(msm6242_read(priv, MSM6242_CF) & MSM6242_CF_24H)) {
+ unsigned int pm = msm6242_read(priv, MSM6242_HOUR10) &
+ MSM6242_HOUR10_PM;
+ if (!pm && tm->tm_hour == 12)
+ tm->tm_hour = 0;
+ else if (pm && tm->tm_hour != 12)
+ tm->tm_hour += 12;
+ }
+
+ msm6242_unlock(priv);
+
+ return rtc_valid_tm(tm);
+}
+
+static int msm6242_set_time(struct device *dev, struct rtc_time *tm)
+{
+ struct msm6242_priv *priv = dev_get_drvdata(dev);
+
+ msm6242_lock(priv);
+
+ msm6242_write(priv, tm->tm_sec / 10, MSM6242_SECOND10);
+ msm6242_write(priv, tm->tm_sec % 10, MSM6242_SECOND1);
+ msm6242_write(priv, tm->tm_min / 10, MSM6242_MINUTE10);
+ msm6242_write(priv, tm->tm_min % 10, MSM6242_MINUTE1);
+ if (msm6242_read(priv, MSM6242_CF) & MSM6242_CF_24H)
+ msm6242_write(priv, tm->tm_hour / 10, MSM6242_HOUR10);
+ else if (tm->tm_hour >= 12)
+ msm6242_write(priv, MSM6242_HOUR10_PM + (tm->tm_hour - 12) / 10,
+ MSM6242_HOUR10);
+ else
+ msm6242_write(priv, tm->tm_hour / 10, MSM6242_HOUR10);
+ msm6242_write(priv, tm->tm_hour % 10, MSM6242_HOUR1);
+ msm6242_write(priv, tm->tm_mday / 10, MSM6242_DAY10);
+ msm6242_write(priv, tm->tm_mday % 10, MSM6242_DAY1);
+ if (tm->tm_wday != -1)
+ msm6242_write(priv, tm->tm_wday, MSM6242_WEEK);
+ msm6242_write(priv, (tm->tm_mon + 1) / 10, MSM6242_MONTH10);
+ msm6242_write(priv, (tm->tm_mon + 1) % 10, MSM6242_MONTH1);
+ if (tm->tm_year >= 100)
+ tm->tm_year -= 100;
+ msm6242_write(priv, tm->tm_year / 10, MSM6242_YEAR10);
+ msm6242_write(priv, tm->tm_year % 10, MSM6242_YEAR1);
+
+ msm6242_unlock(priv);
+ return 0;
+}
+
+static const struct rtc_class_ops msm6242_rtc_ops = {
+ .read_time = msm6242_read_time,
+ .set_time = msm6242_set_time,
+};
+
+static int __init msm6242_rtc_probe(struct platform_device *dev)
+{
+ struct resource *res;
+ struct msm6242_priv *priv;
+ struct rtc_device *rtc;
+ int error;
+
+ res = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->regs = ioremap(res->start, resource_size(res));
+ if (!priv->regs) {
+ error = -ENOMEM;
+ goto out_free_priv;
+ }
+
+ rtc = rtc_device_register("rtc-msm6242", &dev->dev, &msm6242_rtc_ops,
+ THIS_MODULE);
+ if (IS_ERR(rtc)) {
+ error = PTR_ERR(rtc);
+ goto out_unmap;
+ }
+
+ priv->rtc = rtc;
+ platform_set_drvdata(dev, priv);
+ return 0;
+
+out_unmap:
+ iounmap(priv->regs);
+out_free_priv:
+ kfree(priv);
+ return error;
+}
+
+static int __exit msm6242_rtc_remove(struct platform_device *dev)
+{
+ struct msm6242_priv *priv = platform_get_drvdata(dev);
+
+ rtc_device_unregister(priv->rtc);
+ iounmap(priv->regs);
+ kfree(priv);
+ return 0;
+}
+
+static struct platform_driver msm6242_rtc_driver = {
+ .driver = {
+ .name = "rtc-msm6242",
+ .owner = THIS_MODULE,
+ },
+ .remove = __exit_p(msm6242_rtc_remove),
+};
+
+static int __init msm6242_rtc_init(void)
+{
+ return platform_driver_probe(&msm6242_rtc_driver, msm6242_rtc_probe);
+}
+
+static void __exit msm6242_rtc_fini(void)
+{
+ platform_driver_unregister(&msm6242_rtc_driver);
+}
+
+module_init(msm6242_rtc_init);
+module_exit(msm6242_rtc_fini);
+
+MODULE_AUTHOR("Geert Uytterhoeven <geert@linux-m68k.org>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Oki MSM6242 RTC driver");
+MODULE_ALIAS("platform:rtc-msm6242");
--- /dev/null
+/*
+ * Ricoh RP5C01 RTC Driver
+ *
+ * Copyright 2009 Geert Uytterhoeven
+ *
+ * Based on the A3000 TOD code in arch/m68k/amiga/config.c
+ * Copyright (C) 1993 Hamish Macdonald
+ */
+
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+
+
+enum {
+ RP5C01_1_SECOND = 0x0, /* MODE 00 */
+ RP5C01_10_SECOND = 0x1, /* MODE 00 */
+ RP5C01_1_MINUTE = 0x2, /* MODE 00 and MODE 01 */
+ RP5C01_10_MINUTE = 0x3, /* MODE 00 and MODE 01 */
+ RP5C01_1_HOUR = 0x4, /* MODE 00 and MODE 01 */
+ RP5C01_10_HOUR = 0x5, /* MODE 00 and MODE 01 */
+ RP5C01_DAY_OF_WEEK = 0x6, /* MODE 00 and MODE 01 */
+ RP5C01_1_DAY = 0x7, /* MODE 00 and MODE 01 */
+ RP5C01_10_DAY = 0x8, /* MODE 00 and MODE 01 */
+ RP5C01_1_MONTH = 0x9, /* MODE 00 */
+ RP5C01_10_MONTH = 0xa, /* MODE 00 */
+ RP5C01_1_YEAR = 0xb, /* MODE 00 */
+ RP5C01_10_YEAR = 0xc, /* MODE 00 */
+
+ RP5C01_12_24_SELECT = 0xa, /* MODE 01 */
+ RP5C01_LEAP_YEAR = 0xb, /* MODE 01 */
+
+ RP5C01_MODE = 0xd, /* all modes */
+ RP5C01_TEST = 0xe, /* all modes */
+ RP5C01_RESET = 0xf, /* all modes */
+};
+
+#define RP5C01_12_24_SELECT_12 (0 << 0)
+#define RP5C01_12_24_SELECT_24 (1 << 0)
+
+#define RP5C01_10_HOUR_AM (0 << 1)
+#define RP5C01_10_HOUR_PM (1 << 1)
+
+#define RP5C01_MODE_TIMER_EN (1 << 3) /* timer enable */
+#define RP5C01_MODE_ALARM_EN (1 << 2) /* alarm enable */
+
+#define RP5C01_MODE_MODE_MASK (3 << 0)
+#define RP5C01_MODE_MODE00 (0 << 0) /* time */
+#define RP5C01_MODE_MODE01 (1 << 0) /* alarm, 12h/24h, leap year */
+#define RP5C01_MODE_RAM_BLOCK10 (2 << 0) /* RAM 4 bits x 13 */
+#define RP5C01_MODE_RAM_BLOCK11 (3 << 0) /* RAM 4 bits x 13 */
+
+#define RP5C01_RESET_1HZ_PULSE (1 << 3)
+#define RP5C01_RESET_16HZ_PULSE (1 << 2)
+#define RP5C01_RESET_SECOND (1 << 1) /* reset divider stages for */
+ /* seconds or smaller units */
+#define RP5C01_RESET_ALARM (1 << 0) /* reset all alarm registers */
+
+
+struct rp5c01_priv {
+ u32 __iomem *regs;
+ struct rtc_device *rtc;
+};
+
+static inline unsigned int rp5c01_read(struct rp5c01_priv *priv,
+ unsigned int reg)
+{
+ return __raw_readl(&priv->regs[reg]) & 0xf;
+}
+
+static inline void rp5c01_write(struct rp5c01_priv *priv, unsigned int val,
+ unsigned int reg)
+{
+ return __raw_writel(val, &priv->regs[reg]);
+}
+
+static void rp5c01_lock(struct rp5c01_priv *priv)
+{
+ rp5c01_write(priv, RP5C01_MODE_MODE00, RP5C01_MODE);
+}
+
+static void rp5c01_unlock(struct rp5c01_priv *priv)
+{
+ rp5c01_write(priv, RP5C01_MODE_TIMER_EN | RP5C01_MODE_MODE01,
+ RP5C01_MODE);
+}
+
+static int rp5c01_read_time(struct device *dev, struct rtc_time *tm)
+{
+ struct rp5c01_priv *priv = dev_get_drvdata(dev);
+
+ rp5c01_lock(priv);
+
+ tm->tm_sec = rp5c01_read(priv, RP5C01_10_SECOND) * 10 +
+ rp5c01_read(priv, RP5C01_1_SECOND);
+ tm->tm_min = rp5c01_read(priv, RP5C01_10_MINUTE) * 10 +
+ rp5c01_read(priv, RP5C01_1_MINUTE);
+ tm->tm_hour = rp5c01_read(priv, RP5C01_10_HOUR) * 10 +
+ rp5c01_read(priv, RP5C01_1_HOUR);
+ tm->tm_mday = rp5c01_read(priv, RP5C01_10_DAY) * 10 +
+ rp5c01_read(priv, RP5C01_1_DAY);
+ tm->tm_wday = rp5c01_read(priv, RP5C01_DAY_OF_WEEK);
+ tm->tm_mon = rp5c01_read(priv, RP5C01_10_MONTH) * 10 +
+ rp5c01_read(priv, RP5C01_1_MONTH) - 1;
+ tm->tm_year = rp5c01_read(priv, RP5C01_10_YEAR) * 10 +
+ rp5c01_read(priv, RP5C01_1_YEAR);
+ if (tm->tm_year <= 69)
+ tm->tm_year += 100;
+
+ rp5c01_unlock(priv);
+
+ return rtc_valid_tm(tm);
+}
+
+static int rp5c01_set_time(struct device *dev, struct rtc_time *tm)
+{
+ struct rp5c01_priv *priv = dev_get_drvdata(dev);
+
+ rp5c01_lock(priv);
+
+ rp5c01_write(priv, tm->tm_sec / 10, RP5C01_10_SECOND);
+ rp5c01_write(priv, tm->tm_sec % 10, RP5C01_1_SECOND);
+ rp5c01_write(priv, tm->tm_min / 10, RP5C01_10_MINUTE);
+ rp5c01_write(priv, tm->tm_min % 10, RP5C01_1_MINUTE);
+ rp5c01_write(priv, tm->tm_hour / 10, RP5C01_10_HOUR);
+ rp5c01_write(priv, tm->tm_hour % 10, RP5C01_1_HOUR);
+ rp5c01_write(priv, tm->tm_mday / 10, RP5C01_10_DAY);
+ rp5c01_write(priv, tm->tm_mday % 10, RP5C01_1_DAY);
+ if (tm->tm_wday != -1)
+ rp5c01_write(priv, tm->tm_wday, RP5C01_DAY_OF_WEEK);
+ rp5c01_write(priv, (tm->tm_mon + 1) / 10, RP5C01_10_MONTH);
+ rp5c01_write(priv, (tm->tm_mon + 1) % 10, RP5C01_1_MONTH);
+ if (tm->tm_year >= 100)
+ tm->tm_year -= 100;
+ rp5c01_write(priv, tm->tm_year / 10, RP5C01_10_YEAR);
+ rp5c01_write(priv, tm->tm_year % 10, RP5C01_1_YEAR);
+
+ rp5c01_unlock(priv);
+ return 0;
+}
+
+static const struct rtc_class_ops rp5c01_rtc_ops = {
+ .read_time = rp5c01_read_time,
+ .set_time = rp5c01_set_time,
+};
+
+static int __init rp5c01_rtc_probe(struct platform_device *dev)
+{
+ struct resource *res;
+ struct rp5c01_priv *priv;
+ struct rtc_device *rtc;
+ int error;
+
+ res = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->regs = ioremap(res->start, resource_size(res));
+ if (!priv->regs) {
+ error = -ENOMEM;
+ goto out_free_priv;
+ }
+
+ rtc = rtc_device_register("rtc-rp5c01", &dev->dev, &rp5c01_rtc_ops,
+ THIS_MODULE);
+ if (IS_ERR(rtc)) {
+ error = PTR_ERR(rtc);
+ goto out_unmap;
+ }
+
+ priv->rtc = rtc;
+ platform_set_drvdata(dev, priv);
+ return 0;
+
+out_unmap:
+ iounmap(priv->regs);
+out_free_priv:
+ kfree(priv);
+ return error;
+}
+
+static int __exit rp5c01_rtc_remove(struct platform_device *dev)
+{
+ struct rp5c01_priv *priv = platform_get_drvdata(dev);
+
+ rtc_device_unregister(priv->rtc);
+ iounmap(priv->regs);
+ kfree(priv);
+ return 0;
+}
+
+static struct platform_driver rp5c01_rtc_driver = {
+ .driver = {
+ .name = "rtc-rp5c01",
+ .owner = THIS_MODULE,
+ },
+ .remove = __exit_p(rp5c01_rtc_remove),
+};
+
+static int __init rp5c01_rtc_init(void)
+{
+ return platform_driver_probe(&rp5c01_rtc_driver, rp5c01_rtc_probe);
+}
+
+static void __exit rp5c01_rtc_fini(void)
+{
+ platform_driver_unregister(&rp5c01_rtc_driver);
+}
+
+module_init(rp5c01_rtc_init);
+module_exit(rp5c01_rtc_fini);
+
+MODULE_AUTHOR("Geert Uytterhoeven <geert@linux-m68k.org>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Ricoh RP5C01 RTC driver");
+MODULE_ALIAS("platform:rtc-rp5c01");
if (!external_vgaiobase)
return 1;
+ if (regno > 255)
+ return 1;
+
switch (external_card_type) {
case IS_VGA:
OUTB(0x3c8, regno);
EXPORT_SYMBOL(zorro_match_device);
EXPORT_SYMBOL(zorro_register_driver);
EXPORT_SYMBOL(zorro_unregister_driver);
-EXPORT_SYMBOL(zorro_dev_driver);
EXPORT_SYMBOL(zorro_bus_type);
projects / platform / kernel / linux-exynos.git / commitdiff