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-rw-r--r--arch/arm/include/asm/bitops.h6
-rw-r--r--arch/arm/kernel/traps.c76
-rw-r--r--arch/arm/mach-bcmring/core.c4
-rw-r--r--arch/arm/mach-bcmring/include/mach/system.h2
-rw-r--r--arch/arm/mach-ep93xx/Kconfig44
-rw-r--r--arch/arm/mach-ep93xx/Makefile.boot9
-rw-r--r--arch/arm/mach-ep93xx/clock.c166
-rw-r--r--arch/arm/mach-ep93xx/core.c31
-rw-r--r--arch/arm/mach-ep93xx/edb93xx.c31
-rw-r--r--arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h42
-rw-r--r--arch/arm/mach-ep93xx/include/mach/gpio.h16
-rw-r--r--arch/arm/mach-ep93xx/include/mach/memory.h6
-rw-r--r--arch/arm/mach-ep93xx/include/mach/platform.h4
-rw-r--r--arch/arm/mach-ep93xx/micro9.c132
-rw-r--r--arch/arm/mach-sa1100/Makefile1
-rw-r--r--arch/arm/mm/cache-v6.S20
-rw-r--r--arch/arm/mm/cache-v7.S19
-rw-r--r--arch/arm/mm/fault.c5
-rw-r--r--arch/arm/mm/highmem.c2
-rw-r--r--arch/arm/mm/init.c2
20 files changed, 413 insertions, 205 deletions
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index 63a481fbbed4..338ff19ae447 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -84,7 +84,7 @@ ____atomic_test_and_set_bit(unsigned int bit, volatile unsigned long *p)
*p = res | mask;
raw_local_irq_restore(flags);
- return res & mask;
+ return (res & mask) != 0;
}
static inline int
@@ -101,7 +101,7 @@ ____atomic_test_and_clear_bit(unsigned int bit, volatile unsigned long *p)
*p = res & ~mask;
raw_local_irq_restore(flags);
- return res & mask;
+ return (res & mask) != 0;
}
static inline int
@@ -118,7 +118,7 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p)
*p = res ^ mask;
raw_local_irq_restore(flags);
- return res & mask;
+ return (res & mask) != 0;
}
#include <asm-generic/bitops/non-atomic.h>
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 467b69ed1021..f838f36eb702 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -45,21 +45,21 @@ static int __init user_debug_setup(char *str)
__setup("user_debug=", user_debug_setup);
#endif
-static void dump_mem(const char *str, unsigned long bottom, unsigned long top);
+static void dump_mem(const char *, const char *, unsigned long, unsigned long);
void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame)
{
#ifdef CONFIG_KALLSYMS
- printk("[<%08lx>] ", where);
- print_symbol("(%s) ", where);
- printk("from [<%08lx>] ", from);
- print_symbol("(%s)\n", from);
+ char sym1[KSYM_SYMBOL_LEN], sym2[KSYM_SYMBOL_LEN];
+ sprint_symbol(sym1, where);
+ sprint_symbol(sym2, from);
+ printk("[<%08lx>] (%s) from [<%08lx>] (%s)\n", where, sym1, from, sym2);
#else
printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from);
#endif
if (in_exception_text(where))
- dump_mem("Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs));
+ dump_mem("", "Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs));
}
#ifndef CONFIG_ARM_UNWIND
@@ -81,9 +81,10 @@ static int verify_stack(unsigned long sp)
/*
* Dump out the contents of some memory nicely...
*/
-static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
+static void dump_mem(const char *lvl, const char *str, unsigned long bottom,
+ unsigned long top)
{
- unsigned long p = bottom & ~31;
+ unsigned long first;
mm_segment_t fs;
int i;
@@ -95,33 +96,37 @@ static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
fs = get_fs();
set_fs(KERNEL_DS);
- printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top);
+ printk("%s%s(0x%08lx to 0x%08lx)\n", lvl, str, bottom, top);
- for (p = bottom & ~31; p < top;) {
- printk("%04lx: ", p & 0xffff);
+ for (first = bottom & ~31; first < top; first += 32) {
+ unsigned long p;
+ char str[sizeof(" 12345678") * 8 + 1];
- for (i = 0; i < 8; i++, p += 4) {
- unsigned int val;
+ memset(str, ' ', sizeof(str));
+ str[sizeof(str) - 1] = '\0';
- if (p < bottom || p >= top)
- printk(" ");
- else {
- __get_user(val, (unsigned long *)p);
- printk("%08x ", val);
+ for (p = first, i = 0; i < 8 && p < top; i++, p += 4) {
+ if (p >= bottom && p < top) {
+ unsigned long val;
+ if (__get_user(val, (unsigned long *)p) == 0)
+ sprintf(str + i * 9, " %08lx", val);
+ else
+ sprintf(str + i * 9, " ????????");
}
}
- printk ("\n");
+ printk("%s%04lx:%s\n", lvl, first & 0xffff, str);
}
set_fs(fs);
}
-static void dump_instr(struct pt_regs *regs)
+static void dump_instr(const char *lvl, struct pt_regs *regs)
{
unsigned long addr = instruction_pointer(regs);
const int thumb = thumb_mode(regs);
const int width = thumb ? 4 : 8;
mm_segment_t fs;
+ char str[sizeof("00000000 ") * 5 + 2 + 1], *p = str;
int i;
/*
@@ -132,7 +137,6 @@ static void dump_instr(struct pt_regs *regs)
fs = get_fs();
set_fs(KERNEL_DS);
- printk("Code: ");
for (i = -4; i < 1; i++) {
unsigned int val, bad;
@@ -142,13 +146,14 @@ static void dump_instr(struct pt_regs *regs)
bad = __get_user(val, &((u32 *)addr)[i]);
if (!bad)
- printk(i == 0 ? "(%0*x) " : "%0*x ", width, val);
+ p += sprintf(p, i == 0 ? "(%0*x) " : "%0*x ",
+ width, val);
else {
- printk("bad PC value.");
+ p += sprintf(p, "bad PC value");
break;
}
}
- printk("\n");
+ printk("%sCode: %s\n", lvl, str);
set_fs(fs);
}
@@ -224,18 +229,19 @@ static void __die(const char *str, int err, struct thread_info *thread, struct p
struct task_struct *tsk = thread->task;
static int die_counter;
- printk("Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n",
+ printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n",
str, err, ++die_counter);
+ sysfs_printk_last_file();
print_modules();
__show_regs(regs);
- printk("Process %s (pid: %d, stack limit = 0x%p)\n",
- tsk->comm, task_pid_nr(tsk), thread + 1);
+ printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
+ TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), thread + 1);
if (!user_mode(regs) || in_interrupt()) {
- dump_mem("Stack: ", regs->ARM_sp,
+ dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp,
THREAD_SIZE + (unsigned long)task_stack_page(tsk));
dump_backtrace(regs, tsk);
- dump_instr(regs);
+ dump_instr(KERN_EMERG, regs);
}
}
@@ -250,13 +256,14 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
oops_enter();
- console_verbose();
spin_lock_irq(&die_lock);
+ console_verbose();
bust_spinlocks(1);
__die(str, err, thread, regs);
bust_spinlocks(0);
add_taint(TAINT_DIE);
spin_unlock_irq(&die_lock);
+ oops_exit();
if (in_interrupt())
panic("Fatal exception in interrupt");
@@ -264,7 +271,6 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
if (panic_on_oops)
panic("Fatal exception");
- oops_exit();
do_exit(SIGSEGV);
}
@@ -349,7 +355,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
if (user_debug & UDBG_UNDEFINED) {
printk(KERN_INFO "%s (%d): undefined instruction: pc=%p\n",
current->comm, task_pid_nr(current), pc);
- dump_instr(regs);
+ dump_instr(KERN_INFO, regs);
}
#endif
@@ -400,7 +406,7 @@ static int bad_syscall(int n, struct pt_regs *regs)
if (user_debug & UDBG_SYSCALL) {
printk(KERN_ERR "[%d] %s: obsolete system call %08x.\n",
task_pid_nr(current), current->comm, n);
- dump_instr(regs);
+ dump_instr(KERN_ERR, regs);
}
#endif
@@ -579,7 +585,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
if (user_debug & UDBG_SYSCALL) {
printk("[%d] %s: arm syscall %d\n",
task_pid_nr(current), current->comm, no);
- dump_instr(regs);
+ dump_instr("", regs);
if (user_mode(regs)) {
__show_regs(regs);
c_backtrace(regs->ARM_fp, processor_mode(regs));
@@ -656,7 +662,7 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs)
if (user_debug & UDBG_BADABORT) {
printk(KERN_ERR "[%d] %s: bad data abort: code %d instr 0x%08lx\n",
task_pid_nr(current), current->comm, code, instr);
- dump_instr(regs);
+ dump_instr(KERN_ERR, regs);
show_pte(current->mm, addr);
}
#endif
diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c
index 4b4f69251b31..e590bbe0a7b4 100644
--- a/arch/arm/mach-bcmring/core.c
+++ b/arch/arm/mach-bcmring/core.c
@@ -271,12 +271,12 @@ static struct irqaction bcmring_timer_irq = {
.handler = bcmring_timer_interrupt,
};
-static cycle_t bcmring_get_cycles_timer1(void)
+static cycle_t bcmring_get_cycles_timer1(struct clocksource *cs)
{
return ~readl(TIMER1_VA_BASE + TIMER_VALUE);
}
-static cycle_t bcmring_get_cycles_timer3(void)
+static cycle_t bcmring_get_cycles_timer3(struct clocksource *cs)
{
return ~readl(TIMER3_VA_BASE + TIMER_VALUE);
}
diff --git a/arch/arm/mach-bcmring/include/mach/system.h b/arch/arm/mach-bcmring/include/mach/system.h
index cdbf93c694a6..38b37060d426 100644
--- a/arch/arm/mach-bcmring/include/mach/system.h
+++ b/arch/arm/mach-bcmring/include/mach/system.h
@@ -29,7 +29,7 @@ static inline void arch_idle(void)
cpu_do_idle();
}
-static inline void arch_reset(char mode, char *cmd)
+static inline void arch_reset(char mode, const char *cmd)
{
printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot);
diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
index d7291c682a64..9167c3d2a5ed 100644
--- a/arch/arm/mach-ep93xx/Kconfig
+++ b/arch/arm/mach-ep93xx/Kconfig
@@ -17,13 +17,31 @@ config EP93XX_SDCE3_SYNC_PHYS_OFFSET
bool "0x00000000 - SDCE3/SyncBoot"
help
Select this option if you want support for EP93xx boards with the
- first SDRAM bank at 0x00000000
+ first SDRAM bank at 0x00000000.
config EP93XX_SDCE0_PHYS_OFFSET
bool "0xc0000000 - SDCEO"
help
Select this option if you want support for EP93xx boards with the
- first SDRAM bank at 0xc0000000
+ first SDRAM bank at 0xc0000000.
+
+config EP93XX_SDCE1_PHYS_OFFSET
+ bool "0xd0000000 - SDCE1"
+ help
+ Select this option if you want support for EP93xx boards with the
+ first SDRAM bank at 0xd0000000.
+
+config EP93XX_SDCE2_PHYS_OFFSET
+ bool "0xe0000000 - SDCE2"
+ help
+ Select this option if you want support for EP93xx boards with the
+ first SDRAM bank at 0xe0000000.
+
+config EP93XX_SDCE3_ASYNC_PHYS_OFFSET
+ bool "0xf0000000 - SDCE3/AsyncBoot"
+ help
+ Select this option if you want support for EP93xx boards with the
+ first SDRAM bank at 0xf0000000.
endchoice
@@ -112,28 +130,36 @@ config MACH_MICRO9
bool
config MACH_MICRO9H
- bool "Support Contec Hypercontrol Micro9-H"
+ bool "Support Contec Micro9-High"
depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET
select MACH_MICRO9
help
Say 'Y' here if you want your kernel to support the
- Contec Hypercontrol Micro9-H board.
+ Contec Micro9-High board.
config MACH_MICRO9M
- bool "Support Contec Hypercontrol Micro9-M"
- depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET
+ bool "Support Contec Micro9-Mid"
+ depends on EP93XX_SDCE3_ASYNC_PHYS_OFFSET
select MACH_MICRO9
help
Say 'Y' here if you want your kernel to support the
- Contec Hypercontrol Micro9-M board.
+ Contec Micro9-Mid board.
config MACH_MICRO9L
- bool "Support Contec Hypercontrol Micro9-L"
+ bool "Support Contec Micro9-Lite"
depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET
select MACH_MICRO9
help
Say 'Y' here if you want your kernel to support the
- Contec Hypercontrol Micro9-L board.
+ Contec Micro9-Lite board.
+
+config MACH_MICRO9S
+ bool "Support Contec Micro9-Slim"
+ depends on EP93XX_SDCE3_ASYNC_PHYS_OFFSET
+ select MACH_MICRO9
+ help
+ Say 'Y' here if you want your kernel to support the
+ Contec Micro9-Slim board.
config MACH_TS72XX
bool "Support Technologic Systems TS-72xx SBC"
diff --git a/arch/arm/mach-ep93xx/Makefile.boot b/arch/arm/mach-ep93xx/Makefile.boot
index 27a085a8f12a..0ad33f15c622 100644
--- a/arch/arm/mach-ep93xx/Makefile.boot
+++ b/arch/arm/mach-ep93xx/Makefile.boot
@@ -3,3 +3,12 @@ params_phys-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET) := 0x00000100
zreladdr-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET) := 0xc0008000
params_phys-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET) := 0xc0000100
+
+ zreladdr-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET) := 0xd0008000
+params_phys-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET) := 0xd0000100
+
+ zreladdr-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET) := 0xe0008000
+params_phys-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET) := 0xe0000100
+
+ zreladdr-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET) := 0xf0008000
+params_phys-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET) := 0xf0000100
diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
index dda19cd76194..1d0f9d8aff2e 100644
--- a/arch/arm/mach-ep93xx/clock.c
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -16,13 +16,16 @@
#include <linux/module.h>
#include <linux/string.h>
#include <linux/io.h>
+#include <linux/spinlock.h>
+
+#include <mach/hardware.h>
#include <asm/clkdev.h>
#include <asm/div64.h>
-#include <mach/hardware.h>
struct clk {
+ struct clk *parent;
unsigned long rate;
int users;
int sw_locked;
@@ -39,40 +42,60 @@ static unsigned long get_uart_rate(struct clk *clk);
static int set_keytchclk_rate(struct clk *clk, unsigned long rate);
static int set_div_rate(struct clk *clk, unsigned long rate);
+
+static struct clk clk_xtali = {
+ .rate = EP93XX_EXT_CLK_RATE,
+};
static struct clk clk_uart1 = {
+ .parent = &clk_xtali,
.sw_locked = 1,
.enable_reg = EP93XX_SYSCON_DEVCFG,
.enable_mask = EP93XX_SYSCON_DEVCFG_U1EN,
.get_rate = get_uart_rate,
};
static struct clk clk_uart2 = {
+ .parent = &clk_xtali,
.sw_locked = 1,
.enable_reg = EP93XX_SYSCON_DEVCFG,
.enable_mask = EP93XX_SYSCON_DEVCFG_U2EN,
.get_rate = get_uart_rate,
};
static struct clk clk_uart3 = {
+ .parent = &clk_xtali,
.sw_locked = 1,
.enable_reg = EP93XX_SYSCON_DEVCFG,
.enable_mask = EP93XX_SYSCON_DEVCFG_U3EN,
.get_rate = get_uart_rate,
};
-static struct clk clk_pll1;
-static struct clk clk_f;
-static struct clk clk_h;
-static struct clk clk_p;
-static struct clk clk_pll2;
+static struct clk clk_pll1 = {
+ .parent = &clk_xtali,
+};
+static struct clk clk_f = {
+ .parent = &clk_pll1,
+};
+static struct clk clk_h = {
+ .parent = &clk_pll1,
+};
+static struct clk clk_p = {
+ .parent = &clk_pll1,
+};
+static struct clk clk_pll2 = {
+ .parent = &clk_xtali,
+};
static struct clk clk_usb_host = {
+ .parent = &clk_pll2,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_USH_EN,
};
static struct clk clk_keypad = {
+ .parent = &clk_xtali,
.sw_locked = 1,
.enable_reg = EP93XX_SYSCON_KEYTCHCLKDIV,
.enable_mask = EP93XX_SYSCON_KEYTCHCLKDIV_KEN,
.set_rate = set_keytchclk_rate,
};
static struct clk clk_pwm = {
+ .parent = &clk_xtali,
.rate = EP93XX_EXT_CLK_RATE,
};
@@ -85,50 +108,62 @@ static struct clk clk_video = {
/* DMA Clocks */
static struct clk clk_m2p0 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P0,
};
static struct clk clk_m2p1 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P1,
};
static struct clk clk_m2p2 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P2,
};
static struct clk clk_m2p3 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P3,
};
static struct clk clk_m2p4 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P4,
};
static struct clk clk_m2p5 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P5,
};
static struct clk clk_m2p6 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P6,
};
static struct clk clk_m2p7 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P7,
};
static struct clk clk_m2p8 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P8,
};
static struct clk clk_m2p9 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P9,
};
static struct clk clk_m2m0 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2M0,
};
static struct clk clk_m2m1 = {
+ .parent = &clk_h,
.enable_reg = EP93XX_SYSCON_PWRCNT,
.enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2M1,
};
@@ -137,6 +172,7 @@ static struct clk clk_m2m1 = {
{ .dev_id = dev, .con_id = con, .clk = ck }
static struct clk_lookup clocks[] = {
+ INIT_CK(NULL, "xtali", &clk_xtali),
INIT_CK("apb:uart1", NULL, &clk_uart1),
INIT_CK("apb:uart2", NULL, &clk_uart2),
INIT_CK("apb:uart3", NULL, &clk_uart3),
@@ -163,48 +199,84 @@ static struct clk_lookup clocks[] = {
INIT_CK(NULL, "m2m1", &clk_m2m1),
};
+static DEFINE_SPINLOCK(clk_lock);
+
+static void __clk_enable(struct clk *clk)
+{
+ if (!clk->users++) {
+ if (clk->parent)
+ __clk_enable(clk->parent);
+
+ if (clk->enable_reg) {
+ u32 v;
+
+ v = __raw_readl(clk->enable_reg);
+ v |= clk->enable_mask;
+ if (clk->sw_locked)
+ ep93xx_syscon_swlocked_write(v, clk->enable_reg);
+ else
+ __raw_writel(v, clk->enable_reg);
+ }
+ }
+}
int clk_enable(struct clk *clk)
{
- if (!clk->users++ && clk->enable_reg) {
- u32 value;
+ unsigned long flags;
- value = __raw_readl(clk->enable_reg);
- value |= clk->enable_mask;
- if (clk->sw_locked)
- ep93xx_syscon_swlocked_write(value, clk->enable_reg);
- else
- __raw_writel(value, clk->enable_reg);
- }
+ if (!clk)
+ return -EINVAL;
+
+ spin_lock_irqsave(&clk_lock, flags);
+ __clk_enable(clk);
+ spin_unlock_irqrestore(&clk_lock, flags);
return 0;
}
EXPORT_SYMBOL(clk_enable);
-void clk_disable(struct clk *clk)
+static void __clk_disable(struct clk *clk)
{
- if (!--clk->users && clk->enable_reg) {
- u32 value;
+ if (!--clk->users) {
+ if (clk->enable_reg) {
+ u32 v;
+
+ v = __raw_readl(clk->enable_reg);
+ v &= ~clk->enable_mask;
+ if (clk->sw_locked)
+ ep93xx_syscon_swlocked_write(v, clk->enable_reg);
+ else
+ __raw_writel(v, clk->enable_reg);
+ }
- value = __raw_readl(clk->enable_reg);
- value &= ~clk->enable_mask;
- if (clk->sw_locked)
- ep93xx_syscon_swlocked_write(value, clk->enable_reg);
- else
- __raw_writel(value, clk->enable_reg);
+ if (clk->parent)
+ __clk_disable(clk->parent);
}
}
+
+void clk_disable(struct clk *clk)
+{
+ unsigned long flags;
+
+ if (!clk)
+ return;
+
+ spin_lock_irqsave(&clk_lock, flags);
+ __clk_disable(clk);
+ spin_unlock_irqrestore(&clk_lock, flags);
+}
EXPORT_SYMBOL(clk_disable);
static unsigned long get_uart_rate(struct clk *clk)
{
+ unsigned long rate = clk_get_rate(clk->parent);
u32 value;
value = __raw_readl(EP93XX_SYSCON_PWRCNT);
if (value & EP93XX_SYSCON_PWRCNT_UARTBAUD)
- return EP93XX_EXT_CLK_RATE;
+ return rate;
else
- return EP93XX_EXT_CLK_RATE / 2;
+ return rate / 2;
}
unsigned long clk_get_rate(struct clk *clk)
@@ -244,16 +316,16 @@ static int set_keytchclk_rate(struct clk *clk, unsigned long rate)
return 0;
}
-static unsigned long calc_clk_div(unsigned long rate, int *psel, int *esel,
- int *pdiv, int *div)
+static int calc_clk_div(struct clk *clk, unsigned long rate,
+ int *psel, int *esel, int *pdiv, int *div)
{
- unsigned long max_rate, best_rate = 0,
- actual_rate = 0, mclk_rate = 0, rate_err = -1;
+ struct clk *mclk;
+ unsigned long max_rate, actual_rate, mclk_rate, rate_err = -1;
int i, found = 0, __div = 0, __pdiv = 0;
/* Don't exceed the maximum rate */
max_rate = max(max(clk_pll1.rate / 4, clk_pll2.rate / 4),
- (unsigned long)EP93XX_EXT_CLK_RATE / 4);
+ clk_xtali.rate / 4);
rate = min(rate, max_rate);
/*
@@ -267,11 +339,12 @@ static unsigned long calc_clk_div(unsigned long rate, int *psel, int *esel,
*/
for (i = 0; i < 3; i++) {
if (i == 0)
- mclk_rate = EP93XX_EXT_CLK_RATE * 2;
+ mclk = &clk_xtali;
else if (i == 1)
- mclk_rate = clk_pll1.rate * 2;
- else if (i == 2)
- mclk_rate = clk_pll2.rate * 2;
+ mclk = &clk_pll1;
+ else
+ mclk = &clk_pll2;
+ mclk_rate = mclk->rate * 2;
/* Try each predivider value */
for (__pdiv = 4; __pdiv <= 6; __pdiv++) {
@@ -286,7 +359,8 @@ static unsigned long calc_clk_div(unsigned long rate, int *psel, int *esel,
*div = __div;
*psel = (i == 2);
*esel = (i != 0);
- best_rate = actual_rate;
+ clk->parent = mclk;
+ clk->rate = actual_rate;
rate_err = abs(actual_rate - rate);
found = 1;
}
@@ -294,21 +368,19 @@ static unsigned long calc_clk_div(unsigned long rate, int *psel, int *esel,
}
if (!found)
- return 0;
+ return -EINVAL;
- return best_rate;
+ return 0;
}
static int set_div_rate(struct clk *clk, unsigned long rate)
{
- unsigned long actual_rate;
- int psel = 0, esel = 0, pdiv = 0, div = 0;
+ int err, psel = 0, esel = 0, pdiv = 0, div = 0;
u32 val;
- actual_rate = calc_clk_div(rate, &psel, &esel, &pdiv, &div);
- if (actual_rate == 0)
- return -EINVAL;
- clk->rate = actual_rate;
+ err = calc_clk_div(clk, rate, &psel, &esel, &pdiv, &div);
+ if (err)
+ return err;
/* Clear the esel, psel, pdiv and div bits */
val = __raw_readl(clk->enable_reg);
@@ -344,7 +416,7 @@ static unsigned long calc_pll_rate(u32 config_word)
unsigned long long rate;
int i;
- rate = EP93XX_EXT_CLK_RATE;
+ rate = clk_xtali.rate;
rate *= ((config_word >> 11) & 0x1f) + 1; /* X1FBD */
rate *= ((config_word >> 5) & 0x3f) + 1; /* X2FBD */
do_div(rate, (config_word & 0x1f) + 1); /* X2IPD */
@@ -377,7 +449,7 @@ static int __init ep93xx_clock_init(void)
value = __raw_readl(EP93XX_SYSCON_CLOCK_SET1);
if (!(value & 0x00800000)) { /* PLL1 bypassed? */
- clk_pll1.rate = EP93XX_EXT_CLK_RATE;
+ clk_pll1.rate = clk_xtali.rate;
} else {
clk_pll1.rate = calc_pll_rate(value);
}
@@ -388,7 +460,7 @@ static int __init ep93xx_clock_init(void)
value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2);
if (!(value & 0x00080000)) { /* PLL2 bypassed? */
- clk_pll2.rate = EP93XX_EXT_CLK_RATE;
+ clk_pll2.rate = clk_xtali.rate;
} else if (value & 0x00040000) { /* PLL2 enabled? */
clk_pll2.rate = calc_pll_rate(value);
} else {
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index f7ebed942f66..f95dc160c34b 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -550,13 +550,11 @@ void __init ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr)
platform_device_register(&ep93xx_eth_device);
}
-static struct i2c_gpio_platform_data ep93xx_i2c_data = {
- .sda_pin = EP93XX_GPIO_LINE_EEDAT,
- .sda_is_open_drain = 0,
- .scl_pin = EP93XX_GPIO_LINE_EECLK,
- .scl_is_open_drain = 0,
- .udelay = 2,
-};
+
+/*************************************************************************
+ * EP93xx i2c peripheral handling
+ *************************************************************************/
+static struct i2c_gpio_platform_data ep93xx_i2c_data;
static struct platform_device ep93xx_i2c_device = {
.name = "i2c-gpio",
@@ -564,8 +562,25 @@ static struct platform_device ep93xx_i2c_device = {
.dev.platform_data = &ep93xx_i2c_data,
};
-void __init ep93xx_register_i2c(struct i2c_board_info *devices, int num)
+void __init ep93xx_register_i2c(struct i2c_gpio_platform_data *data,
+ struct i2c_board_info *devices, int num)
{
+ /*
+ * Set the EEPROM interface pin drive type control.
+ * Defines the driver type for the EECLK and EEDAT pins as either
+ * open drain, which will require an external pull-up, or a normal
+ * CMOS driver.
+ */
+ if (data->sda_is_open_drain && data->sda_pin != EP93XX_GPIO_LINE_EEDAT)
+ pr_warning("ep93xx: sda != EEDAT, open drain has no effect\n");
+ if (data->scl_is_open_drain && data->scl_pin != EP93XX_GPIO_LINE_EECLK)
+ pr_warning("ep93xx: scl != EECLK, open drain has no effect\n");
+
+ __raw_writel((data->sda_is_open_drain << 1) |
+ (data->scl_is_open_drain << 0),
+ EP93XX_GPIO_EEDRIVE);
+
+ ep93xx_i2c_data = *data;
i2c_register_board_info(0, devices, num);
platform_device_register(&ep93xx_i2c_device);
}
diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c
index 73145ae5d3fa..ca71cf1a72a0 100644
--- a/arch/arm/mach-ep93xx/edb93xx.c
+++ b/arch/arm/mach-ep93xx/edb93xx.c
@@ -27,8 +27,10 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
-#include <linux/i2c.h>
#include <linux/mtd/physmap.h>
+#include <linux/gpio.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
#include <mach/hardware.h>
@@ -76,13 +78,26 @@ static struct ep93xx_eth_data edb93xx_eth_data = {
.phy_id = 1,
};
-static struct i2c_board_info __initdata edb93xxa_i2c_data[] = {
+
+/*************************************************************************
+ * EDB93xx i2c peripheral handling
+ *************************************************************************/
+static struct i2c_gpio_platform_data edb93xx_i2c_gpio_data = {
+ .sda_pin = EP93XX_GPIO_LINE_EEDAT,
+ .sda_is_open_drain = 0,
+ .scl_pin = EP93XX_GPIO_LINE_EECLK,
+ .scl_is_open_drain = 0,
+ .udelay = 0, /* default to 100 kHz */
+ .timeout = 0, /* default to 100 ms */
+};
+
+static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = {
{
I2C_BOARD_INFO("isl1208", 0x6f),
},
};
-static struct i2c_board_info __initdata edb93xx_i2c_data[] = {
+static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = {
{
I2C_BOARD_INFO("ds1337", 0x68),
},
@@ -92,12 +107,14 @@ static void __init edb93xx_register_i2c(void)
{
if (machine_is_edb9302a() || machine_is_edb9307a() ||
machine_is_edb9315a()) {
- ep93xx_register_i2c(edb93xxa_i2c_data,
- ARRAY_SIZE(edb93xxa_i2c_data));
+ ep93xx_register_i2c(&edb93xx_i2c_gpio_data,
+ edb93xxa_i2c_board_info,
+ ARRAY_SIZE(edb93xxa_i2c_board_info));
} else if (machine_is_edb9307() || machine_is_edb9312() ||
machine_is_edb9315()) {
- ep93xx_register_i2c(edb93xx_i2c_data,
- ARRAY_SIZE(edb93xx_i2c_data));
+ ep93xx_register_i2c(&edb93xx_i2c_gpio_data
+ edb93xx_i2c_board_info,
+ ARRAY_SIZE(edb93xx_i2c_board_info));
}
}
diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
index 0fbf87b16338..b1f937eda29c 100644
--- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -52,25 +52,27 @@
#define EP93XX_AHB_VIRT_BASE 0xfef00000
#define EP93XX_AHB_SIZE 0x00100000
+#define EP93XX_AHB_PHYS(x) (EP93XX_AHB_PHYS_BASE + (x))
#define EP93XX_AHB_IOMEM(x) IOMEM(EP93XX_AHB_VIRT_BASE + (x))
#define EP93XX_APB_PHYS_BASE 0x80800000
#define EP93XX_APB_VIRT_BASE 0xfed00000
#define EP93XX_APB_SIZE 0x00200000
+#define EP93XX_APB_PHYS(x) (EP93XX_APB_PHYS_BASE + (x))
#define EP93XX_APB_IOMEM(x) IOMEM(EP93XX_APB_VIRT_BASE + (x))
/* AHB peripherals */
#define EP93XX_DMA_BASE EP93XX_AHB_IOMEM(0x00000000)
-#define EP93XX_ETHERNET_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00010000)
+#define EP93XX_ETHERNET_PHYS_BASE EP93XX_AHB_PHYS(0x00010000)
#define EP93XX_ETHERNET_BASE EP93XX_AHB_IOMEM(0x00010000)
-#define EP93XX_USB_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00020000)
+#define EP93XX_USB_PHYS_BASE EP93XX_AHB_PHYS(0x00020000)
#define EP93XX_USB_BASE EP93XX_AHB_IOMEM(0x00020000)
-#define EP93XX_RASTER_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00030000)
+#define EP93XX_RASTER_PHYS_BASE EP93XX_AHB_PHYS(0x00030000)
#define EP93XX_RASTER_BASE EP93XX_AHB_IOMEM(0x00030000)
#define EP93XX_GRAPHICS_ACCEL_BASE EP93XX_AHB_IOMEM(0x00040000)
@@ -112,21 +114,10 @@
#define EP93XX_GPIO_BASE EP93XX_APB_IOMEM(0x00040000)
#define EP93XX_GPIO_REG(x) (EP93XX_GPIO_BASE + (x))
-#define EP93XX_GPIO_F_INT_TYPE1 EP93XX_GPIO_REG(0x4c)
-#define EP93XX_GPIO_F_INT_TYPE2 EP93XX_GPIO_REG(0x50)
-#define EP93XX_GPIO_F_INT_ACK EP93XX_GPIO_REG(0x54)
-#define EP93XX_GPIO_F_INT_ENABLE EP93XX_GPIO_REG(0x58)
#define EP93XX_GPIO_F_INT_STATUS EP93XX_GPIO_REG(0x5c)
-#define EP93XX_GPIO_A_INT_TYPE1 EP93XX_GPIO_REG(0x90)
-#define EP93XX_GPIO_A_INT_TYPE2 EP93XX_GPIO_REG(0x94)
-#define EP93XX_GPIO_A_INT_ACK EP93XX_GPIO_REG(0x98)
-#define EP93XX_GPIO_A_INT_ENABLE EP93XX_GPIO_REG(0x9c)
#define EP93XX_GPIO_A_INT_STATUS EP93XX_GPIO_REG(0xa0)
-#define EP93XX_GPIO_B_INT_TYPE1 EP93XX_GPIO_REG(0xac)
-#define EP93XX_GPIO_B_INT_TYPE2 EP93XX_GPIO_REG(0xb0)
-#define EP93XX_GPIO_B_INT_ACK EP93XX_GPIO_REG(0xb4)
-#define EP93XX_GPIO_B_INT_ENABLE EP93XX_GPIO_REG(0xb8)
#define EP93XX_GPIO_B_INT_STATUS EP93XX_GPIO_REG(0xbc)
+#define EP93XX_GPIO_EEDRIVE EP93XX_GPIO_REG(0xc8)
#define EP93XX_AAC_BASE EP93XX_APB_IOMEM(0x00080000)
@@ -134,13 +125,13 @@
#define EP93XX_IRDA_BASE EP93XX_APB_IOMEM(0x000b0000)
-#define EP93XX_UART1_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000c0000)
+#define EP93XX_UART1_PHYS_BASE EP93XX_APB_PHYS(0x000c0000)
#define EP93XX_UART1_BASE EP93XX_APB_IOMEM(0x000c0000)
-#define EP93XX_UART2_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000d0000)
+#define EP93XX_UART2_PHYS_BASE EP93XX_APB_PHYS(0x000d0000)
#define EP93XX_UART2_BASE EP93XX_APB_IOMEM(0x000d0000)
-#define EP93XX_UART3_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000e0000)
+#define EP93XX_UART3_PHYS_BASE EP93XX_APB_PHYS(0x000e0000)
#define EP93XX_UART3_BASE EP93XX_APB_IOMEM(0x000e0000)
#define EP93XX_KEY_MATRIX_BASE EP93XX_APB_IOMEM(0x000f0000)
@@ -148,10 +139,10 @@
#define EP93XX_ADC_BASE EP93XX_APB_IOMEM(0x00100000)
#define EP93XX_TOUCHSCREEN_BASE EP93XX_APB_IOMEM(0x00100000)
-#define EP93XX_PWM_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x00110000)
+#define EP93XX_PWM_PHYS_BASE EP93XX_APB_PHYS(0x00110000)
#define EP93XX_PWM_BASE EP93XX_APB_IOMEM(0x00110000)
-#define EP93XX_RTC_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x00120000)
+#define EP93XX_RTC_PHYS_BASE EP93XX_APB_PHYS(0x00120000)
#define EP93XX_RTC_BASE EP93XX_APB_IOMEM(0x00120000)
#define EP93XX_SYSCON_BASE EP93XX_APB_IOMEM(0x00130000)
@@ -218,6 +209,17 @@
#define EP93XX_SYSCON_KEYTCHCLKDIV_ADIV (1<<16)
#define EP93XX_SYSCON_KEYTCHCLKDIV_KEN (1<<15)
#define EP93XX_SYSCON_KEYTCHCLKDIV_KDIV (1<<0)
+#define EP93XX_SYSCON_SYSCFG EP93XX_SYSCON_REG(0x9c)
+#define EP93XX_SYSCON_SYSCFG_REV_MASK (0xf0000000)
+#define EP93XX_SYSCON_SYSCFG_REV_SHIFT (28)
+#define EP93XX_SYSCON_SYSCFG_SBOOT (1<<8)
+#define EP93XX_SYSCON_SYSCFG_LCSN7 (1<<7)
+#define EP93XX_SYSCON_SYSCFG_LCSN6 (1<<6)
+#define EP93XX_SYSCON_SYSCFG_LASDO (1<<5)
+#define EP93XX_SYSCON_SYSCFG_LEEDA (1<<4)
+#define EP93XX_SYSCON_SYSCFG_LEECLK (1<<3)
+#define EP93XX_SYSCON_SYSCFG_LCSN2 (1<<1)
+#define EP93XX_SYSCON_SYSCFG_LCSN1 (1<<0)
#define EP93XX_SYSCON_SWLOCK EP93XX_SYSCON_REG(0xc0)
#define EP93XX_WATCHDOG_BASE EP93XX_APB_IOMEM(0x00140000)
diff --git a/arch/arm/mach-ep93xx/include/mach/gpio.h b/arch/arm/mach-ep93xx/include/mach/gpio.h
index 0a1498ae899a..c991b149bdf2 100644
--- a/arch/arm/mach-ep93xx/include/mach/gpio.h
+++ b/arch/arm/mach-ep93xx/include/mach/gpio.h
@@ -114,17 +114,9 @@ extern void ep93xx_gpio_int_debounce(unsigned int irq, int enable);
* B0..B7 (7..15) to irq 72..79, and
* F0..F7 (16..24) to irq 80..87.
*/
-static inline int gpio_to_irq(unsigned gpio)
-{
- if (gpio <= EP93XX_GPIO_LINE_MAX_IRQ)
- return 64 + gpio;
-
- return -EINVAL;
-}
-
-static inline int irq_to_gpio(unsigned irq)
-{
- return irq - gpio_to_irq(0);
-}
+#define gpio_to_irq(gpio) \
+ (((gpio) <= EP93XX_GPIO_LINE_MAX_IRQ) ? (64 + (gpio)) : -EINVAL)
+
+#define irq_to_gpio(irq) ((irq) - gpio_to_irq(0))
#endif
diff --git a/arch/arm/mach-ep93xx/include/mach/memory.h b/arch/arm/mach-ep93xx/include/mach/memory.h
index 925b12ea0990..554064e90307 100644
--- a/arch/arm/mach-ep93xx/include/mach/memory.h
+++ b/arch/arm/mach-ep93xx/include/mach/memory.h
@@ -9,6 +9,12 @@
#define PHYS_OFFSET UL(0x00000000)
#elif defined(CONFIG_EP93XX_SDCE0_PHYS_OFFSET)
#define PHYS_OFFSET UL(0xc0000000)
+#elif defined(CONFIG_EP93XX_SDCE1_PHYS_OFFSET)
+#define PHYS_OFFSET UL(0xd0000000)
+#elif defined(CONFIG_EP93XX_SDCE2_PHYS_OFFSET)
+#define PHYS_OFFSET UL(0xe0000000)
+#elif defined(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET)
+#define PHYS_OFFSET UL(0xf0000000)
#else
#error "Kconfig bug: No EP93xx PHYS_OFFSET set"
#endif
diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h
index 01a0f0838e5b..a3ec33fd79d4 100644
--- a/arch/arm/mach-ep93xx/include/mach/platform.h
+++ b/arch/arm/mach-ep93xx/include/mach/platform.h
@@ -4,6 +4,7 @@
#ifndef __ASSEMBLY__
+struct i2c_gpio_platform_data;
struct i2c_board_info;
struct platform_device;
struct ep93xxfb_mach_info;
@@ -33,7 +34,8 @@ static inline void ep93xx_devcfg_clear_bits(unsigned int bits)
}
void ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr);
-void ep93xx_register_i2c(struct i2c_board_info *devices, int num);
+void ep93xx_register_i2c(struct i2c_gpio_platform_data *data,
+ struct i2c_board_info *devices, int num);
void ep93xx_register_fb(struct ep93xxfb_mach_info *data);
void ep93xx_register_pwm(int pwm0, int pwm1);
int ep93xx_pwm_acquire_gpio(struct platform_device *pdev);
diff --git a/arch/arm/mach-ep93xx/micro9.c b/arch/arm/mach-ep93xx/micro9.c
index 0a313e82fb74..d83b80478b09 100644
--- a/arch/arm/mach-ep93xx/micro9.c
+++ b/arch/arm/mach-ep93xx/micro9.c
@@ -2,7 +2,9 @@
* linux/arch/arm/mach-ep93xx/micro9.c
*
* Copyright (C) 2006 Contec Steuerungstechnik & Automation GmbH
- * Manfred Gruber <manfred.gruber@contec.at>
+ * Manfred Gruber <m.gruber@tirol.com>
+ * Copyright (C) 2009 Contec Steuerungstechnik & Automation GmbH
+ * Hubert Feurstein <hubert.feurstein@contec.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -20,104 +22,124 @@
#include <asm/mach/arch.h>
-static struct ep93xx_eth_data micro9_eth_data = {
- .phy_id = 0x1f,
-};
-
-static void __init micro9_init(void)
-{
- ep93xx_register_eth(&micro9_eth_data, 1);
-}
-
-/*
- * Micro9-H
- */
-#ifdef CONFIG_MACH_MICRO9H
-static struct physmap_flash_data micro9h_flash_data = {
- .width = 4,
-};
-
-static struct resource micro9h_flash_resource = {
+/*************************************************************************
+ * Micro9 NOR Flash
+ *
+ * Micro9-High has up to 64MB of 32-bit flash on CS1
+ * Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1
+ * Micro9-Lite uses a seperate MTD map driver for flash support
+ * Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1
+ *************************************************************************/
+static struct physmap_flash_data micro9_flash_data;
+
+static struct resource micro9_flash_resource = {
.start = EP93XX_CS1_PHYS_BASE,
.end = EP93XX_CS1_PHYS_BASE + SZ_64M - 1,
.flags = IORESOURCE_MEM,
};
-static struct platform_device micro9h_flash = {
+static struct platform_device micro9_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
- .platform_data = &micro9h_flash_data,
+ .platform_data = &micro9_flash_data,
},
.num_resources = 1,
- .resource = &micro9h_flash_resource,
+ .resource = &micro9_flash_resource,
};
-static void __init micro9h_init(void)
+static void __init __micro9_register_flash(unsigned int width)
+{
+ micro9_flash_data.width = width;
+
+ platform_device_register(&micro9_flash);
+}
+
+static unsigned int __init micro9_detect_bootwidth(void)
+{
+ u32 v;
+
+ /* Detect the bus width of the external flash memory */
+ v = __raw_readl(EP93XX_SYSCON_SYSCFG);
+ if (v & EP93XX_SYSCON_SYSCFG_LCSN7)
+ return 4; /* 32-bit */
+ else
+ return 2; /* 16-bit */
+}
+
+static void __init micro9_register_flash(void)
{
- platform_device_register(&micro9h_flash);
+ if (machine_is_micro9())
+ __micro9_register_flash(4);
+ else if (machine_is_micro9m() || machine_is_micro9s())
+ __micro9_register_flash(micro9_detect_bootwidth());
}
-static void __init micro9h_init_machine(void)
+
+/*************************************************************************
+ * Micro9 Ethernet
+ *************************************************************************/
+static struct ep93xx_eth_data micro9_eth_data = {
+ .phy_id = 0x1f,
+};
+
+
+static void __init micro9_init_machine(void)
{
ep93xx_init_devices();
- micro9_init();
- micro9h_init();
+ ep93xx_register_eth(&micro9_eth_data, 1);
+ micro9_register_flash();
}
-MACHINE_START(MICRO9, "Contec Hypercontrol Micro9-H")
- /* Maintainer: Manfred Gruber <manfred.gruber@contec.at> */
+
+#ifdef CONFIG_MACH_MICRO9H
+MACHINE_START(MICRO9, "Contec Micro9-High")
+ /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
.phys_io = EP93XX_APB_PHYS_BASE,
.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
.boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
.map_io = ep93xx_map_io,
.init_irq = ep93xx_init_irq,
.timer = &ep93xx_timer,
- .init_machine = micro9h_init_machine,
+ .init_machine = micro9_init_machine,
MACHINE_END
#endif
-/*
- * Micro9-M
- */
#ifdef CONFIG_MACH_MICRO9M
-static void __init micro9m_init_machine(void)
-{
- ep93xx_init_devices();
- micro9_init();
-}
-
-MACHINE_START(MICRO9M, "Contec Hypercontrol Micro9-M")
- /* Maintainer: Manfred Gruber <manfred.gruber@contec.at> */
+MACHINE_START(MICRO9M, "Contec Micro9-Mid")
+ /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
.phys_io = EP93XX_APB_PHYS_BASE,
.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
- .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
+ .boot_params = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
.map_io = ep93xx_map_io,
.init_irq = ep93xx_init_irq,
.timer = &ep93xx_timer,
- .init_machine = micro9m_init_machine,
+ .init_machine = micro9_init_machine,
MACHINE_END
#endif
-/*
- * Micro9-L
- */
#ifdef CONFIG_MACH_MICRO9L
-static void __init micro9l_init_machine(void)
-{
- ep93xx_init_devices();
- micro9_init();
-}
-
-MACHINE_START(MICRO9L, "Contec Hypercontrol Micro9-L")
- /* Maintainer: Manfred Gruber <manfred.gruber@contec.at> */
+MACHINE_START(MICRO9L, "Contec Micro9-Lite")
+ /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
.phys_io = EP93XX_APB_PHYS_BASE,
.io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
.boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
.map_io = ep93xx_map_io,
.init_irq = ep93xx_init_irq,
.timer = &ep93xx_timer,
- .init_machine = micro9l_init_machine,
+ .init_machine = micro9_init_machine,
MACHINE_END
#endif
+#ifdef CONFIG_MACH_MICRO9S
+MACHINE_START(MICRO9S, "Contec Micro9-Slim")
+ /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
+ .phys_io = EP93XX_APB_PHYS_BASE,
+ .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc,
+ .boot_params = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
+ .map_io = ep93xx_map_io,
+ .init_irq = ep93xx_init_irq,
+ .timer = &ep93xx_timer,
+ .init_machine = micro9_init_machine,
+MACHINE_END
+#endif
diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile
index 8a5546e6d547..bb7b8198d0c4 100644
--- a/arch/arm/mach-sa1100/Makefile
+++ b/arch/arm/mach-sa1100/Makefile
@@ -25,6 +25,7 @@ led-$(CONFIG_SA1100_CERF) += leds-cerf.o
obj-$(CONFIG_SA1100_COLLIE) += collie.o
+obj-$(CONFIG_SA1100_H3100) += h3600.o
obj-$(CONFIG_SA1100_H3600) += h3600.o
obj-$(CONFIG_SA1100_HACKKIT) += hackkit.o
diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S
index 8f5c13f4c936..295e25dd6381 100644
--- a/arch/arm/mm/cache-v6.S
+++ b/arch/arm/mm/cache-v6.S
@@ -12,6 +12,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
+#include <asm/unwind.h>
#include "proc-macros.S"
@@ -121,11 +122,13 @@ ENTRY(v6_coherent_kern_range)
* - the Icache does not read data from the write buffer
*/
ENTRY(v6_coherent_user_range)
-
+ UNWIND(.fnstart )
#ifdef HARVARD_CACHE
bic r0, r0, #CACHE_LINE_SIZE - 1
-1: mcr p15, 0, r0, c7, c10, 1 @ clean D line
+1:
+ USER( mcr p15, 0, r0, c7, c10, 1 ) @ clean D line
add r0, r0, #CACHE_LINE_SIZE
+2:
cmp r0, r1
blo 1b
#endif
@@ -143,6 +146,19 @@ ENTRY(v6_coherent_user_range)
mov pc, lr
/*
+ * Fault handling for the cache operation above. If the virtual address in r0
+ * isn't mapped, just try the next page.
+ */
+9001:
+ mov r0, r0, lsr #12
+ mov r0, r0, lsl #12
+ add r0, r0, #4096
+ b 2b
+ UNWIND(.fnend )
+ENDPROC(v6_coherent_user_range)
+ENDPROC(v6_coherent_kern_range)
+
+/*
* v6_flush_kern_dcache_page(kaddr)
*
* Ensure that the data held in the page kaddr is written back
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index bda0ec31a4e2..e1bd9759617f 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -13,6 +13,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
+#include <asm/unwind.h>
#include "proc-macros.S"
@@ -153,13 +154,16 @@ ENTRY(v7_coherent_kern_range)
* - the Icache does not read data from the write buffer
*/
ENTRY(v7_coherent_user_range)
+ UNWIND(.fnstart )
dcache_line_size r2, r3
sub r3, r2, #1
bic r0, r0, r3
-1: mcr p15, 0, r0, c7, c11, 1 @ clean D line to the point of unification
+1:
+ USER( mcr p15, 0, r0, c7, c11, 1 ) @ clean D line to the point of unification
dsb
- mcr p15, 0, r0, c7, c5, 1 @ invalidate I line
+ USER( mcr p15, 0, r0, c7, c5, 1 ) @ invalidate I line
add r0, r0, r2
+2:
cmp r0, r1
blo 1b
mov r0, #0
@@ -167,6 +171,17 @@ ENTRY(v7_coherent_user_range)
dsb
isb
mov pc, lr
+
+/*
+ * Fault handling for the cache operation above. If the virtual address in r0
+ * isn't mapped, just try the next page.
+ */
+9001:
+ mov r0, r0, lsr #12
+ mov r0, r0, lsl #12
+ add r0, r0, #4096
+ b 2b
+ UNWIND(.fnend )
ENDPROC(v7_coherent_kern_range)
ENDPROC(v7_coherent_user_range)
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index ae0e25f5a70e..10e06801afb3 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -292,6 +292,11 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
* down_read()
*/
might_sleep();
+#ifdef CONFIG_DEBUG_VM
+ if (!user_mode(regs) &&
+ !search_exception_tables(regs->ARM_pc))
+ goto no_context;
+#endif
}
fault = __do_page_fault(mm, addr, fsr, tsk);
diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c
index 73cae57fa707..30f82fb5918c 100644
--- a/arch/arm/mm/highmem.c
+++ b/arch/arm/mm/highmem.c
@@ -46,6 +46,8 @@ void *kmap_atomic(struct page *page, enum km_type type)
if (!PageHighMem(page))
return page_address(page);
+ debug_kmap_atomic(type);
+
kmap = kmap_high_get(page);
if (kmap)
return kmap;
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 877c492f8e10..40940d7ce4ff 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -483,7 +483,7 @@ free_memmap(int node, unsigned long start_pfn, unsigned long end_pfn)
/*
* Convert start_pfn/end_pfn to a struct page pointer.
*/
- start_pg = pfn_to_page(start_pfn);
+ start_pg = pfn_to_page(start_pfn - 1) + 1;
end_pg = pfn_to_page(end_pfn);
/*
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.