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-rw-r--r--arch/arm/mach-sa1100/assabet.c1
-rw-r--r--arch/arm/mach-sa1100/badge4.c1
-rw-r--r--arch/arm/mach-sa1100/cerf.c1
-rw-r--r--arch/arm/mach-sa1100/clock.c91
-rw-r--r--arch/arm/mach-sa1100/collie.c1
-rw-r--r--arch/arm/mach-sa1100/generic.c31
-rw-r--r--arch/arm/mach-sa1100/generic.h1
-rw-r--r--arch/arm/mach-sa1100/h3100.c1
-rw-r--r--arch/arm/mach-sa1100/h3600.c1
-rw-r--r--arch/arm/mach-sa1100/hackkit.c1
-rw-r--r--arch/arm/mach-sa1100/include/mach/system.h13
-rw-r--r--arch/arm/mach-sa1100/include/mach/vmalloc.h4
-rw-r--r--arch/arm/mach-sa1100/jornada720.c1
-rw-r--r--arch/arm/mach-sa1100/lart.c1
-rw-r--r--arch/arm/mach-sa1100/nanoengine.c2
-rw-r--r--arch/arm/mach-sa1100/pci-nanoengine.c13
-rw-r--r--arch/arm/mach-sa1100/pleb.c1
-rw-r--r--arch/arm/mach-sa1100/shannon.c1
-rw-r--r--arch/arm/mach-sa1100/simpad.c1
-rw-r--r--arch/arm/mach-sa1100/time.c28
20 files changed, 122 insertions, 73 deletions
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index 3dd133f18415..6b93e200bcac 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -455,4 +455,5 @@ MACHINE_START(ASSABET, "Intel-Assabet")
#ifdef CONFIG_SA1111
.dma_zone_size = SZ_1M,
#endif
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c
index bda83e1ab078..b07a2c024cb7 100644
--- a/arch/arm/mach-sa1100/badge4.c
+++ b/arch/arm/mach-sa1100/badge4.c
@@ -309,4 +309,5 @@ MACHINE_START(BADGE4, "Hewlett-Packard Laboratories BadgePAD 4")
#ifdef CONFIG_SA1111
.dma_zone_size = SZ_1M,
#endif
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/cerf.c b/arch/arm/mach-sa1100/cerf.c
index 7f3da4b11ec9..11bb6d0b9be3 100644
--- a/arch/arm/mach-sa1100/cerf.c
+++ b/arch/arm/mach-sa1100/cerf.c
@@ -139,4 +139,5 @@ MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")
.init_irq = cerf_init_irq,
.timer = &sa1100_timer,
.init_machine = cerf_init,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c
index dab3c6347a8f..d6df9f6c9f7e 100644
--- a/arch/arm/mach-sa1100/clock.c
+++ b/arch/arm/mach-sa1100/clock.c
@@ -11,17 +11,39 @@
#include <linux/clk.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
+#include <linux/io.h>
+#include <linux/clkdev.h>
#include <mach/hardware.h>
-/*
- * Very simple clock implementation - we only have one clock to deal with.
- */
+struct clkops {
+ void (*enable)(struct clk *);
+ void (*disable)(struct clk *);
+ unsigned long (*getrate)(struct clk *);
+};
+
struct clk {
+ const struct clkops *ops;
+ unsigned long rate;
unsigned int enabled;
};
-static void clk_gpio27_enable(void)
+#define INIT_CLKREG(_clk, _devname, _conname) \
+ { \
+ .clk = _clk, \
+ .dev_id = _devname, \
+ .con_id = _conname, \
+ }
+
+#define DEFINE_CLK(_name, _ops, _rate) \
+struct clk clk_##_name = { \
+ .ops = _ops, \
+ .rate = _rate, \
+ }
+
+static DEFINE_SPINLOCK(clocks_lock);
+
+static void clk_gpio27_enable(struct clk *clk)
{
/*
* First, set up the 3.6864MHz clock on GPIO 27 for the SA-1111:
@@ -32,38 +54,22 @@ static void clk_gpio27_enable(void)
TUCR = TUCR_3_6864MHz;
}
-static void clk_gpio27_disable(void)
+static void clk_gpio27_disable(struct clk *clk)
{
TUCR = 0;
GPDR &= ~GPIO_32_768kHz;
GAFR &= ~GPIO_32_768kHz;
}
-static struct clk clk_gpio27;
-
-static DEFINE_SPINLOCK(clocks_lock);
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
- const char *devname = dev_name(dev);
-
- return strcmp(devname, "sa1111.0") ? ERR_PTR(-ENOENT) : &clk_gpio27;
-}
-EXPORT_SYMBOL(clk_get);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
-
int clk_enable(struct clk *clk)
{
unsigned long flags;
spin_lock_irqsave(&clocks_lock, flags);
if (clk->enabled++ == 0)
- clk_gpio27_enable();
+ clk->ops->enable(clk);
spin_unlock_irqrestore(&clocks_lock, flags);
+
return 0;
}
EXPORT_SYMBOL(clk_enable);
@@ -76,13 +82,48 @@ void clk_disable(struct clk *clk)
spin_lock_irqsave(&clocks_lock, flags);
if (--clk->enabled == 0)
- clk_gpio27_disable();
+ clk->ops->disable(clk);
spin_unlock_irqrestore(&clocks_lock, flags);
}
EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
- return 3686400;
+ unsigned long rate;
+
+ rate = clk->rate;
+ if (clk->ops->getrate)
+ rate = clk->ops->getrate(clk);
+
+ return rate;
}
EXPORT_SYMBOL(clk_get_rate);
+
+const struct clkops clk_gpio27_ops = {
+ .enable = clk_gpio27_enable,
+ .disable = clk_gpio27_disable,
+};
+
+static void clk_dummy_enable(struct clk *clk) { }
+static void clk_dummy_disable(struct clk *clk) { }
+
+const struct clkops clk_dummy_ops = {
+ .enable = clk_dummy_enable,
+ .disable = clk_dummy_disable,
+};
+
+static DEFINE_CLK(gpio27, &clk_gpio27_ops, 3686400);
+static DEFINE_CLK(dummy, &clk_dummy_ops, 0);
+
+static struct clk_lookup sa11xx_clkregs[] = {
+ INIT_CLKREG(&clk_gpio27, "sa1111.0", NULL),
+ INIT_CLKREG(&clk_dummy, "sa1100-rtc", NULL),
+};
+
+static int __init sa11xx_clk_init(void)
+{
+ clkdev_add_table(sa11xx_clkregs, ARRAY_SIZE(sa11xx_clkregs));
+ return 0;
+}
+
+postcore_initcall(sa11xx_clk_init);
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 2965cc9d424e..b9060e236def 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -387,4 +387,5 @@ MACHINE_START(COLLIE, "Sharp-Collie")
.init_irq = sa1100_init_irq,
.timer = &sa1100_timer,
.init_machine = collie_init,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index 5fa5ae1f39e1..480d2ea46b00 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -126,6 +126,17 @@ static void sa1100_power_off(void)
PMCR = PMCR_SF;
}
+void sa11x0_restart(char mode, const char *cmd)
+{
+ if (mode == 's') {
+ /* Jump into ROM at address 0 */
+ soft_restart(0);
+ } else {
+ /* Use on-chip reset capability */
+ RSRR = RSRR_SWR;
+ }
+}
+
static void sa11x0_register_device(struct platform_device *dev, void *data)
{
int err;
@@ -334,9 +345,29 @@ void sa11x0_register_irda(struct irda_platform_data *irda)
sa11x0_register_device(&sa11x0ir_device, irda);
}
+static struct resource sa11x0rtc_resources[] = {
+ [0] = {
+ .start = 0x90010000,
+ .end = 0x900100ff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_RTC1Hz,
+ .end = IRQ_RTC1Hz,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_RTCAlrm,
+ .end = IRQ_RTCAlrm,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
static struct platform_device sa11x0rtc_device = {
.name = "sa1100-rtc",
.id = -1,
+ .resource = sa11x0rtc_resources,
+ .num_resources = ARRAY_SIZE(sa11x0rtc_resources),
};
static struct platform_device *sa11x0_devices[] __initdata = {
diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h
index b7a9a601c2d1..33268cf6be36 100644
--- a/arch/arm/mach-sa1100/generic.h
+++ b/arch/arm/mach-sa1100/generic.h
@@ -10,6 +10,7 @@ extern struct sys_timer sa1100_timer;
extern void __init sa1100_map_io(void);
extern void __init sa1100_init_irq(void);
extern void __init sa1100_init_gpio(void);
+extern void sa11x0_restart(char, const char *);
#define SET_BANK(__nr,__start,__size) \
mi->bank[__nr].start = (__start), \
diff --git a/arch/arm/mach-sa1100/h3100.c b/arch/arm/mach-sa1100/h3100.c
index b30733a2b82e..1e6b3c105ba6 100644
--- a/arch/arm/mach-sa1100/h3100.c
+++ b/arch/arm/mach-sa1100/h3100.c
@@ -89,5 +89,6 @@ MACHINE_START(H3100, "Compaq iPAQ H3100")
.init_irq = sa1100_init_irq,
.timer = &sa1100_timer,
.init_machine = h3100_mach_init,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/h3600.c b/arch/arm/mach-sa1100/h3600.c
index 6fd324d92389..6b58e7460ecf 100644
--- a/arch/arm/mach-sa1100/h3600.c
+++ b/arch/arm/mach-sa1100/h3600.c
@@ -130,5 +130,6 @@ MACHINE_START(H3600, "Compaq iPAQ H3600")
.init_irq = sa1100_init_irq,
.timer = &sa1100_timer,
.init_machine = h3600_mach_init,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/hackkit.c b/arch/arm/mach-sa1100/hackkit.c
index 30f4a551b8e5..c01bb36db940 100644
--- a/arch/arm/mach-sa1100/hackkit.c
+++ b/arch/arm/mach-sa1100/hackkit.c
@@ -200,4 +200,5 @@ MACHINE_START(HACKKIT, "HackKit Cpu Board")
.init_irq = sa1100_init_irq,
.timer = &sa1100_timer,
.init_machine = hackkit_init,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/include/mach/system.h b/arch/arm/mach-sa1100/include/mach/system.h
index ba9da9f7f183..e17b208f76d4 100644
--- a/arch/arm/mach-sa1100/include/mach/system.h
+++ b/arch/arm/mach-sa1100/include/mach/system.h
@@ -3,20 +3,7 @@
*
* Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net>
*/
-#include <mach/hardware.h>
-
static inline void arch_idle(void)
{
cpu_do_idle();
}
-
-static inline void arch_reset(char mode, const char *cmd)
-{
- if (mode == 's') {
- /* Jump into ROM at address 0 */
- cpu_reset(0);
- } else {
- /* Use on-chip reset capability */
- RSRR = RSRR_SWR;
- }
-}
diff --git a/arch/arm/mach-sa1100/include/mach/vmalloc.h b/arch/arm/mach-sa1100/include/mach/vmalloc.h
deleted file mode 100644
index b3d002398480..000000000000
--- a/arch/arm/mach-sa1100/include/mach/vmalloc.h
+++ /dev/null
@@ -1,4 +0,0 @@
-/*
- * arch/arm/mach-sa1100/include/mach/vmalloc.h
- */
-#define VMALLOC_END (0xe8000000UL)
diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
index 77198fe02bc5..ee121d6f0480 100644
--- a/arch/arm/mach-sa1100/jornada720.c
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -373,4 +373,5 @@ MACHINE_START(JORNADA720, "HP Jornada 720")
#ifdef CONFIG_SA1111
.dma_zone_size = SZ_1M,
#endif
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/lart.c b/arch/arm/mach-sa1100/lart.c
index 5bc59d0947ba..af4e2761f3db 100644
--- a/arch/arm/mach-sa1100/lart.c
+++ b/arch/arm/mach-sa1100/lart.c
@@ -66,4 +66,5 @@ MACHINE_START(LART, "LART")
.init_irq = sa1100_init_irq,
.init_machine = lart_init,
.timer = &sa1100_timer,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/nanoengine.c b/arch/arm/mach-sa1100/nanoengine.c
index 032f3881d145..85f6ee672225 100644
--- a/arch/arm/mach-sa1100/nanoengine.c
+++ b/arch/arm/mach-sa1100/nanoengine.c
@@ -19,6 +19,7 @@
#include <asm/mach-types.h>
#include <asm/setup.h>
+#include <asm/page.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
@@ -116,4 +117,5 @@ MACHINE_START(NANOENGINE, "BSE nanoEngine")
.init_irq = sa1100_init_irq,
.timer = &sa1100_timer,
.init_machine = nanoengine_init,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/pci-nanoengine.c b/arch/arm/mach-sa1100/pci-nanoengine.c
index dd39fee59549..0d01ca788922 100644
--- a/arch/arm/mach-sa1100/pci-nanoengine.c
+++ b/arch/arm/mach-sa1100/pci-nanoengine.c
@@ -131,7 +131,8 @@ static int __init pci_nanoengine_map_irq(const struct pci_dev *dev, u8 slot,
struct pci_bus * __init pci_nanoengine_scan_bus(int nr, struct pci_sys_data *sys)
{
- return pci_scan_bus(sys->busnr, &pci_nano_ops, sys);
+ return pci_scan_root_bus(NULL, sys->busnr, &pci_nano_ops, sys,
+ &sys->resources);
}
static struct resource pci_io_ports = {
@@ -226,7 +227,7 @@ static struct resource pci_prefetchable_memory = {
.flags = IORESOURCE_MEM | IORESOURCE_PREFETCH,
};
-static int __init pci_nanoengine_setup_resources(struct resource **resource)
+static int __init pci_nanoengine_setup_resources(struct pci_sys_data *sys)
{
if (request_resource(&ioport_resource, &pci_io_ports)) {
printk(KERN_ERR "PCI: unable to allocate io port region\n");
@@ -243,9 +244,9 @@ static int __init pci_nanoengine_setup_resources(struct resource **resource)
printk(KERN_ERR "PCI: unable to allocate prefetchable\n");
return -EBUSY;
}
- resource[0] = &pci_io_ports;
- resource[1] = &pci_non_prefetchable_memory;
- resource[2] = &pci_prefetchable_memory;
+ pci_add_resource(&sys->resources, &pci_io_ports);
+ pci_add_resource(&sys->resources, &pci_non_prefetchable_memory);
+ pci_add_resource(&sys->resources, &pci_prefetchable_memory);
return 1;
}
@@ -260,7 +261,7 @@ int __init pci_nanoengine_setup(int nr, struct pci_sys_data *sys)
if (nr == 0) {
sys->mem_offset = NANO_PCI_MEM_RW_PHYS;
sys->io_offset = 0x400;
- ret = pci_nanoengine_setup_resources(sys->resource);
+ ret = pci_nanoengine_setup_resources(sys);
/* Enable alternate memory bus master mode, see
* "Intel StrongARM SA1110 Developer's Manual",
* section 10.8, "Alternate Memory Bus Master Mode". */
diff --git a/arch/arm/mach-sa1100/pleb.c b/arch/arm/mach-sa1100/pleb.c
index 65161f2bea29..9307df053533 100644
--- a/arch/arm/mach-sa1100/pleb.c
+++ b/arch/arm/mach-sa1100/pleb.c
@@ -150,4 +150,5 @@ MACHINE_START(PLEB, "PLEB")
.init_irq = sa1100_init_irq,
.timer = &sa1100_timer,
.init_machine = pleb_init,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c
index 1cccbf5b9e9a..318b2b766a0b 100644
--- a/arch/arm/mach-sa1100/shannon.c
+++ b/arch/arm/mach-sa1100/shannon.c
@@ -87,4 +87,5 @@ MACHINE_START(SHANNON, "Shannon (AKA: Tuxscreen)")
.init_irq = sa1100_init_irq,
.timer = &sa1100_timer,
.init_machine = shannon_init,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index 4790f3f3d008..e17c04d6e324 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -396,4 +396,5 @@ MACHINE_START(SIMPAD, "Simpad")
.map_io = simpad_map_io,
.init_irq = sa1100_init_irq,
.timer = &sa1100_timer,
+ .restart = sa11x0_restart,
MACHINE_END
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index fa6602491d54..69e33535dee6 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -12,7 +12,6 @@
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/sched.h> /* just for sched_clock() - funny that */
#include <linux/timex.h>
#include <linux/clockchips.h>
@@ -20,29 +19,9 @@
#include <asm/sched_clock.h>
#include <mach/hardware.h>
-/*
- * This is the SA11x0 sched_clock implementation.
- */
-static DEFINE_CLOCK_DATA(cd);
-
-/*
- * Constants generated by clocks_calc_mult_shift(m, s, 3.6864MHz,
- * NSEC_PER_SEC, 60).
- * This gives a resolution of about 271ns and a wrap period of about 19min.
- */
-#define SC_MULT 2275555556u
-#define SC_SHIFT 23
-
-unsigned long long notrace sched_clock(void)
-{
- u32 cyc = OSCR;
- return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT);
-}
-
-static void notrace sa1100_update_sched_clock(void)
+static u32 notrace sa1100_read_sched_clock(void)
{
- u32 cyc = OSCR;
- update_sched_clock(&cd, cyc, (u32)~0);
+ return OSCR;
}
#define MIN_OSCR_DELTA 2
@@ -109,8 +88,7 @@ static void __init sa1100_timer_init(void)
OIER = 0;
OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
- init_fixed_sched_clock(&cd, sa1100_update_sched_clock, 32,
- 3686400, SC_MULT, SC_SHIFT);
+ setup_sched_clock(sa1100_read_sched_clock, 32, 3686400);
clockevents_calc_mult_shift(&ckevt_sa1100_osmr0, 3686400, 4);
ckevt_sa1100_osmr0.max_delta_ns =
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.