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-rw-r--r--arch/sparc64/kernel/devices.c2
-rw-r--r--arch/sparc64/kernel/of_device.c4
-rw-r--r--arch/sparc64/kernel/pci.c4
-rw-r--r--arch/sparc64/kernel/pci_fire.c2
-rw-r--r--arch/sparc64/kernel/pci_iommu.c2
-rw-r--r--arch/sparc64/kernel/pci_sun4v.c2
-rw-r--r--arch/sparc64/kernel/process.c2
-rw-r--r--arch/sparc64/kernel/prom.c2
-rw-r--r--arch/sparc64/kernel/systbls.S7
-rw-r--r--arch/sparc64/kernel/time.c230
10 files changed, 224 insertions, 33 deletions
diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c
index ec10f7edcf8..0e03c8e218c 100644
--- a/arch/sparc64/kernel/devices.c
+++ b/arch/sparc64/kernel/devices.c
@@ -21,7 +21,7 @@
#include <asm/timer.h>
#include <asm/cpudata.h>
-/* Used to synchronize acceses to NatSemi SUPER I/O chip configure
+/* Used to synchronize accesses to NatSemi SUPER I/O chip configure
* operations in asm/ns87303.h
*/
DEFINE_SPINLOCK(ns87303_lock);
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 9ac9a307999..7455f5d0551 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -596,7 +596,7 @@ static void __init build_device_resources(struct of_device *op,
/* Convert to num-entries. */
num_reg /= na + ns;
- /* Prevent overruning the op->resources[] array. */
+ /* Prevent overrunning the op->resources[] array. */
if (num_reg > PROMREG_MAX) {
printk(KERN_WARNING "%s: Too many regs (%d), "
"limiting to %d.\n",
@@ -904,7 +904,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
op->num_irqs = 0;
}
- /* Prevent overruning the op->irqs[] array. */
+ /* Prevent overrunning the op->irqs[] array. */
if (op->num_irqs > PROMINTR_MAX) {
printk(KERN_WARNING "%s: Too many irqs (%d), "
"limiting to %d.\n",
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index cf9a75112d0..d4c077dc5e8 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -495,8 +495,8 @@ static void __devinit apb_calc_first_last(u8 map, u32 *first_p, u32 *last_p)
*last_p = last;
}
-static void __init pci_resource_adjust(struct resource *res,
- struct resource *root)
+static void pci_resource_adjust(struct resource *res,
+ struct resource *root)
{
res->start += root->start;
res->end += root->start;
diff --git a/arch/sparc64/kernel/pci_fire.c b/arch/sparc64/kernel/pci_fire.c
index 9198c1a0f7a..7f5d473901c 100644
--- a/arch/sparc64/kernel/pci_fire.c
+++ b/arch/sparc64/kernel/pci_fire.c
@@ -37,7 +37,7 @@ static void pci_fire_scan_bus(struct pci_pbm_info *pbm)
#define FIRE_IOMMU_CONTROL 0x40000UL
#define FIRE_IOMMU_TSBBASE 0x40008UL
#define FIRE_IOMMU_FLUSH 0x40100UL
-#define FIRE_IOMMU_FLUSHINV 0x40100UL
+#define FIRE_IOMMU_FLUSHINV 0x40108UL
static void pci_fire_pbm_iommu_init(struct pci_pbm_info *pbm)
{
diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c
index dfd6f9f4790..70d2364fdfe 100644
--- a/arch/sparc64/kernel/pci_iommu.c
+++ b/arch/sparc64/kernel/pci_iommu.c
@@ -542,7 +542,7 @@ static inline void fill_sg(iopte_t *iopte, struct scatterlist *sg,
/* Map a set of buffers described by SGLIST with NELEMS array
* elements in streaming mode for PCI DMA.
* When making changes here, inspect the assembly output. I was having
- * hard time to kepp this routine out of using stack slots for holding variables.
+ * hard time to keep this routine out of using stack slots for holding variables.
*/
static int pci_4u_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int direction)
{
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 34df4047587..044e8ec4c0f 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -731,7 +731,7 @@ struct pci_sun4v_msiq_entry {
u64 msi_address;
- /* The format of this value is message type dependant.
+ /* The format of this value is message type dependent.
* For MSI bits 15:0 are the data from the MSI packet.
* For MSI-X bits 31:0 are the data from the MSI packet.
* For MSG, the message code and message routing code where:
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 8e3c6e43511..952762bfb4c 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -677,7 +677,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
* NOTE! Only a kernel-only process(ie the swapper or direct descendants
* who haven't done an "execve()") should use this: it will work within
* a system call from a "real" process, but the process memory space will
- * not be free'd until both the parent and the child have exited.
+ * not be freed until both the parent and the child have exited.
*/
pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
{
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index b7976b14d0b..02830e4671f 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -899,7 +899,7 @@ static unsigned int fire_irq_build(struct device_node *dp,
/* The interrupt map registers do not have an INO field
* like other chips do. They return zero in the INO
* field, and the interrupt controller number is controlled
- * in bits 6 thru 9. So in order for build_irq() to get
+ * in bits 6 to 9. So in order for build_irq() to get
* the INO right we pass it in as part of the fixup
* which will get added to the map register zero value
* read by build_irq().
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index 5fe7f9ad4a9..8765e32155a 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -81,7 +81,7 @@ sys_call_table32:
.word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare
/*300*/ .word compat_sys_set_robust_list, compat_sys_get_robust_list, compat_sys_migrate_pages, compat_sys_mbind, compat_sys_get_mempolicy
.word compat_sys_set_mempolicy, compat_sys_kexec_load, compat_sys_move_pages, sys_getcpu, compat_sys_epoll_pwait
-/*310*/ .word compat_sys_utimensat
+/*310*/ .word compat_sys_utimensat, compat_sys_signalfd, compat_sys_timerfd, sys_eventfd
#endif /* CONFIG_COMPAT */
@@ -153,7 +153,7 @@ sys_call_table:
.word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare
/*300*/ .word sys_set_robust_list, sys_get_robust_list, sys_migrate_pages, sys_mbind, sys_get_mempolicy
.word sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
-/*310*/ .word sys_utimensat
+/*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd, sys_eventfd
#if defined(CONFIG_SUNOS_EMUL) || defined(CONFIG_SOLARIS_EMUL) || \
defined(CONFIG_SOLARIS_EMUL_MODULE)
@@ -271,6 +271,7 @@ sunos_sys_table:
.word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys
-/*310*/ .long sunos_nosys
+/*310*/ .word sunos_nosys, sunos_nosys, sunos_nosys
+ .word sunos_nosys
#endif
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 259063f41f9..6b9a06e4254 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -55,6 +55,7 @@ DEFINE_SPINLOCK(rtc_lock);
void __iomem *mstk48t02_regs = NULL;
#ifdef CONFIG_PCI
unsigned long ds1287_regs = 0UL;
+static void __iomem *bq4802_regs;
#endif
static void __iomem *mstk48t08_regs;
@@ -565,12 +566,14 @@ static void __init set_system_time(void)
void __iomem *mregs = mstk48t02_regs;
#ifdef CONFIG_PCI
unsigned long dregs = ds1287_regs;
+ void __iomem *bregs = bq4802_regs;
#else
unsigned long dregs = 0UL;
+ void __iomem *bregs = 0UL;
#endif
u8 tmp;
- if (!mregs && !dregs) {
+ if (!mregs && !dregs && !bregs) {
prom_printf("Something wrong, clock regs not mapped yet.\n");
prom_halt();
}
@@ -589,6 +592,33 @@ static void __init set_system_time(void)
day = MSTK_REG_DOM(mregs);
mon = MSTK_REG_MONTH(mregs);
year = MSTK_CVT_YEAR( MSTK_REG_YEAR(mregs) );
+ } else if (bregs) {
+ unsigned char val = readb(bregs + 0x0e);
+ unsigned int century;
+
+ /* BQ4802 RTC chip. */
+
+ writeb(val | 0x08, bregs + 0x0e);
+
+ sec = readb(bregs + 0x00);
+ min = readb(bregs + 0x02);
+ hour = readb(bregs + 0x04);
+ day = readb(bregs + 0x06);
+ mon = readb(bregs + 0x09);
+ year = readb(bregs + 0x0a);
+ century = readb(bregs + 0x0f);
+
+ writeb(val, bregs + 0x0e);
+
+ BCD_TO_BIN(sec);
+ BCD_TO_BIN(min);
+ BCD_TO_BIN(hour);
+ BCD_TO_BIN(day);
+ BCD_TO_BIN(mon);
+ BCD_TO_BIN(year);
+ BCD_TO_BIN(century);
+
+ year += (century * 100);
} else {
/* Dallas 12887 RTC chip. */
@@ -712,7 +742,8 @@ static int __init clock_model_matches(const char *model)
strcmp(model, "m5819") &&
strcmp(model, "m5819p") &&
strcmp(model, "m5823") &&
- strcmp(model, "ds1287"))
+ strcmp(model, "ds1287") &&
+ strcmp(model, "bq4802"))
return 0;
return 1;
@@ -722,9 +753,13 @@ static int __devinit clock_probe(struct of_device *op, const struct of_device_id
{
struct device_node *dp = op->node;
const char *model = of_get_property(dp, "model", NULL);
+ const char *compat = of_get_property(dp, "compatible", NULL);
unsigned long size, flags;
void __iomem *regs;
+ if (!model)
+ model = compat;
+
if (!model || !clock_model_matches(model))
return -ENODEV;
@@ -746,6 +781,8 @@ static int __devinit clock_probe(struct of_device *op, const struct of_device_id
!strcmp(model, "m5819p") ||
!strcmp(model, "m5823")) {
ds1287_regs = (unsigned long) regs;
+ } else if (!strcmp(model, "bq4802")) {
+ bq4802_regs = regs;
} else
#endif
if (model[5] == '0' && model[6] == '2') {
@@ -1070,8 +1107,10 @@ static int set_rtc_mmss(unsigned long nowtime)
void __iomem *mregs = mstk48t02_regs;
#ifdef CONFIG_PCI
unsigned long dregs = ds1287_regs;
+ void __iomem *bregs = bq4802_regs;
#else
unsigned long dregs = 0UL;
+ void __iomem *bregs = 0UL;
#endif
unsigned long flags;
u8 tmp;
@@ -1080,7 +1119,7 @@ static int set_rtc_mmss(unsigned long nowtime)
* Not having a register set can lead to trouble.
* Also starfire doesn't have a tod clock.
*/
- if (!mregs && !dregs)
+ if (!mregs && !dregs & !bregs)
return -1;
if (mregs) {
@@ -1129,6 +1168,37 @@ static int set_rtc_mmss(unsigned long nowtime)
return -1;
}
+ } else if (bregs) {
+ int retval = 0;
+ unsigned char val = readb(bregs + 0x0e);
+
+ /* BQ4802 RTC chip. */
+
+ writeb(val | 0x08, bregs + 0x0e);
+
+ chip_minutes = readb(bregs + 0x02);
+ BCD_TO_BIN(chip_minutes);
+ real_seconds = nowtime % 60;
+ real_minutes = nowtime / 60;
+ if (((abs(real_minutes - chip_minutes) + 15)/30) & 1)
+ real_minutes += 30;
+ real_minutes %= 60;
+
+ if (abs(real_minutes - chip_minutes) < 30) {
+ BIN_TO_BCD(real_seconds);
+ BIN_TO_BCD(real_minutes);
+ writeb(real_seconds, bregs + 0x00);
+ writeb(real_minutes, bregs + 0x02);
+ } else {
+ printk(KERN_WARNING
+ "set_rtc_mmss: can't update from %d to %d\n",
+ chip_minutes, real_minutes);
+ retval = -1;
+ }
+
+ writeb(val, bregs + 0x0e);
+
+ return retval;
} else {
int retval = 0;
unsigned char save_control, save_freq_select;
@@ -1259,38 +1329,152 @@ static void to_tm(int tim, struct rtc_time *tm)
/* Both Starfire and SUN4V give us seconds since Jan 1st, 1970,
* aka Unix time. So we have to convert to/from rtc_time.
*/
-static inline void mini_get_rtc_time(struct rtc_time *time)
+static void starfire_get_rtc_time(struct rtc_time *time)
{
- unsigned long flags;
- u32 seconds;
+ u32 seconds = starfire_get_time();
- spin_lock_irqsave(&rtc_lock, flags);
- seconds = 0;
- if (this_is_starfire)
- seconds = starfire_get_time();
- else if (tlb_type == hypervisor)
- seconds = hypervisor_get_time();
- spin_unlock_irqrestore(&rtc_lock, flags);
+ to_tm(seconds, time);
+ time->tm_year -= 1900;
+ time->tm_mon -= 1;
+}
+
+static int starfire_set_rtc_time(struct rtc_time *time)
+{
+ u32 seconds = mktime(time->tm_year + 1900, time->tm_mon + 1,
+ time->tm_mday, time->tm_hour,
+ time->tm_min, time->tm_sec);
+
+ return starfire_set_time(seconds);
+}
+
+static void hypervisor_get_rtc_time(struct rtc_time *time)
+{
+ u32 seconds = hypervisor_get_time();
to_tm(seconds, time);
time->tm_year -= 1900;
time->tm_mon -= 1;
}
-static inline int mini_set_rtc_time(struct rtc_time *time)
+static int hypervisor_set_rtc_time(struct rtc_time *time)
{
u32 seconds = mktime(time->tm_year + 1900, time->tm_mon + 1,
time->tm_mday, time->tm_hour,
time->tm_min, time->tm_sec);
+
+ return hypervisor_set_time(seconds);
+}
+
+static void bq4802_get_rtc_time(struct rtc_time *time)
+{
+ unsigned char val = readb(bq4802_regs + 0x0e);
+ unsigned int century;
+
+ writeb(val | 0x08, bq4802_regs + 0x0e);
+
+ time->tm_sec = readb(bq4802_regs + 0x00);
+ time->tm_min = readb(bq4802_regs + 0x02);
+ time->tm_hour = readb(bq4802_regs + 0x04);
+ time->tm_mday = readb(bq4802_regs + 0x06);
+ time->tm_mon = readb(bq4802_regs + 0x09);
+ time->tm_year = readb(bq4802_regs + 0x0a);
+ time->tm_wday = readb(bq4802_regs + 0x08);
+ century = readb(bq4802_regs + 0x0f);
+
+ writeb(val, bq4802_regs + 0x0e);
+
+ BCD_TO_BIN(time->tm_sec);
+ BCD_TO_BIN(time->tm_min);
+ BCD_TO_BIN(time->tm_hour);
+ BCD_TO_BIN(time->tm_mday);
+ BCD_TO_BIN(time->tm_mon);
+ BCD_TO_BIN(time->tm_year);
+ BCD_TO_BIN(time->tm_wday);
+ BCD_TO_BIN(century);
+
+ time->tm_year += (century * 100);
+ time->tm_year -= 1900;
+
+ time->tm_mon--;
+}
+
+static int bq4802_set_rtc_time(struct rtc_time *time)
+{
+ unsigned char val = readb(bq4802_regs + 0x0e);
+ unsigned char sec, min, hrs, day, mon, yrs, century;
+ unsigned int year;
+
+ year = time->tm_year + 1900;
+ century = year / 100;
+ yrs = year % 100;
+
+ mon = time->tm_mon + 1; /* tm_mon starts at zero */
+ day = time->tm_mday;
+ hrs = time->tm_hour;
+ min = time->tm_min;
+ sec = time->tm_sec;
+
+ BIN_TO_BCD(sec);
+ BIN_TO_BCD(min);
+ BIN_TO_BCD(hrs);
+ BIN_TO_BCD(day);
+ BIN_TO_BCD(mon);
+ BIN_TO_BCD(yrs);
+ BIN_TO_BCD(century);
+
+ writeb(val | 0x08, bq4802_regs + 0x0e);
+
+ writeb(sec, bq4802_regs + 0x00);
+ writeb(min, bq4802_regs + 0x02);
+ writeb(hrs, bq4802_regs + 0x04);
+ writeb(day, bq4802_regs + 0x06);
+ writeb(mon, bq4802_regs + 0x09);
+ writeb(yrs, bq4802_regs + 0x0a);
+ writeb(century, bq4802_regs + 0x0f);
+
+ writeb(val, bq4802_regs + 0x0e);
+
+ return 0;
+}
+
+struct mini_rtc_ops {
+ void (*get_rtc_time)(struct rtc_time *);
+ int (*set_rtc_time)(struct rtc_time *);
+};
+
+static struct mini_rtc_ops starfire_rtc_ops = {
+ .get_rtc_time = starfire_get_rtc_time,
+ .set_rtc_time = starfire_set_rtc_time,
+};
+
+static struct mini_rtc_ops hypervisor_rtc_ops = {
+ .get_rtc_time = hypervisor_get_rtc_time,
+ .set_rtc_time = hypervisor_set_rtc_time,
+};
+
+static struct mini_rtc_ops bq4802_rtc_ops = {
+ .get_rtc_time = bq4802_get_rtc_time,
+ .set_rtc_time = bq4802_set_rtc_time,
+};
+
+static struct mini_rtc_ops *mini_rtc_ops;
+
+static inline void mini_get_rtc_time(struct rtc_time *time)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&rtc_lock, flags);
+ mini_rtc_ops->get_rtc_time(time);
+ spin_unlock_irqrestore(&rtc_lock, flags);
+}
+
+static inline int mini_set_rtc_time(struct rtc_time *time)
+{
unsigned long flags;
int err;
spin_lock_irqsave(&rtc_lock, flags);
- err = -ENODEV;
- if (this_is_starfire)
- err = starfire_set_time(seconds);
- else if (tlb_type == hypervisor)
- err = hypervisor_set_time(seconds);
+ err = mini_rtc_ops->set_rtc_time(time);
spin_unlock_irqrestore(&rtc_lock, flags);
return err;
@@ -1391,7 +1575,13 @@ static int __init rtc_mini_init(void)
{
int retval;
- if (tlb_type != hypervisor && !this_is_starfire)
+ if (tlb_type == hypervisor)
+ mini_rtc_ops = &hypervisor_rtc_ops;
+ else if (this_is_starfire)
+ mini_rtc_ops = &starfire_rtc_ops;
+ else if (bq4802_regs)
+ mini_rtc_ops = &bq4802_rtc_ops;
+ else
return -ENODEV;
printk(KERN_INFO "Mini RTC Driver\n");
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-21 17:45:32 +0000