diff options
Diffstat (limited to 'arch')
66 files changed, 620 insertions, 349 deletions
diff --git a/arch/arm/configs/omap3_beagle_defconfig b/arch/arm/configs/omap3_beagle_defconfig index 357d4021e2d0..b3c8cce0f8fb 100644 --- a/arch/arm/configs/omap3_beagle_defconfig +++ b/arch/arm/configs/omap3_beagle_defconfig @@ -969,7 +969,6 @@ CONFIG_USB_ETH_RNDIS=y # CONFIG_USB_OTG_UTILS=y # CONFIG_USB_GPIO_VBUS is not set -# CONFIG_ISP1301_OMAP is not set CONFIG_TWL4030_USB=y # CONFIG_NOP_USB_XCEIV is not set CONFIG_MMC=y 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(µ9_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 = µ9h_flash_data, + .platform_data = µ9_flash_data, }, .num_resources = 1, - .resource = µ9h_flash_resource, + .resource = µ9_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(µ9_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(µ9h_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(µ9_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-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index c1af5326e92f..2b0eb1ba5d7f 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -444,7 +444,7 @@ static int __init rx51_i2c_init(void) rx51_twldata.vaux3 = &rx51_vaux3_cam; rx51_twldata.vmmc2 = &rx51_vmmc2; } - omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1, + omap_register_i2c_bus(1, 2200, rx51_peripherals_i2c_board_info_1, ARRAY_SIZE(rx51_peripherals_i2c_board_info_1)); omap_register_i2c_bus(2, 100, NULL, 0); omap_register_i2c_bus(3, 400, NULL, 0); diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c index b7b32208ced7..fd3369d5e5cb 100644 --- a/arch/arm/mach-omap2/board-zoom2.c +++ b/arch/arm/mach-omap2/board-zoom2.c @@ -25,6 +25,7 @@ #include <mach/keypad.h> #include "mmc-twl4030.h" +#include "sdram-micron-mt46h32m32lf-6.h" /* Zoom2 has Qwerty keyboard*/ static int board_keymap[] = { @@ -213,7 +214,8 @@ static void __init omap_zoom2_init_irq(void) { omap_board_config = zoom2_config; omap_board_config_size = ARRAY_SIZE(zoom2_config); - omap2_init_common_hw(NULL, NULL); + omap2_init_common_hw(mt46h32m32lf6_sdrc_params, + mt46h32m32lf6_sdrc_params); omap_init_irq(); omap_gpio_init(); } diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c index bc5d3ac66611..e2dbedd581e8 100644 --- a/arch/arm/mach-omap2/clock24xx.c +++ b/arch/arm/mach-omap2/clock24xx.c @@ -769,6 +769,7 @@ int __init omap2_clk_init(void) if (c->cpu & cpu_mask) { clkdev_add(&c->lk); clk_register(c->lk.clk); + omap2_init_clk_clkdm(c->lk.clk); } /* Check the MPU rate set by bootloader */ diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 4ef7b4f5474e..58aff8485df9 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -137,6 +137,36 @@ static void _clkdm_del_autodeps(struct clockdomain *clkdm) } } +/* + * _omap2_clkdm_set_hwsup - set the hwsup idle transition bit + * @clkdm: struct clockdomain * + * @enable: int 0 to disable, 1 to enable + * + * Internal helper for actually switching the bit that controls hwsup + * idle transitions for clkdm. + */ +static void _omap2_clkdm_set_hwsup(struct clockdomain *clkdm, int enable) +{ + u32 v; + + if (cpu_is_omap24xx()) { + if (enable) + v = OMAP24XX_CLKSTCTRL_ENABLE_AUTO; + else + v = OMAP24XX_CLKSTCTRL_DISABLE_AUTO; + } else if (cpu_is_omap34xx()) { + if (enable) + v = OMAP34XX_CLKSTCTRL_ENABLE_AUTO; + else + v = OMAP34XX_CLKSTCTRL_DISABLE_AUTO; + } else { + BUG(); + } + + cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, + v << __ffs(clkdm->clktrctrl_mask), + clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL); +} static struct clockdomain *_clkdm_lookup(const char *name) { @@ -456,8 +486,6 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm) */ void omap2_clkdm_allow_idle(struct clockdomain *clkdm) { - u32 v; - if (!clkdm) return; @@ -473,18 +501,7 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm) if (atomic_read(&clkdm->usecount) > 0) _clkdm_add_autodeps(clkdm); - if (cpu_is_omap24xx()) - v = OMAP24XX_CLKSTCTRL_ENABLE_AUTO; - else if (cpu_is_omap34xx()) - v = OMAP34XX_CLKSTCTRL_ENABLE_AUTO; - else - BUG(); - - - cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, - v << __ffs(clkdm->clktrctrl_mask), - clkdm->pwrdm.ptr->prcm_offs, - CM_CLKSTCTRL); + _omap2_clkdm_set_hwsup(clkdm, 1); pwrdm_clkdm_state_switch(clkdm); } @@ -500,8 +517,6 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm) */ void omap2_clkdm_deny_idle(struct clockdomain *clkdm) { - u32 v; - if (!clkdm) return; @@ -514,16 +529,7 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm) pr_debug("clockdomain: disabling automatic idle transitions for %s\n", clkdm->name); - if (cpu_is_omap24xx()) - v = OMAP24XX_CLKSTCTRL_DISABLE_AUTO; - else if (cpu_is_omap34xx()) - v = OMAP34XX_CLKSTCTRL_DISABLE_AUTO; - else - BUG(); - - cm_rmw_mod_reg_bits(clkdm->clktrctrl_mask, - v << __ffs(clkdm->clktrctrl_mask), - clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL); + _omap2_clkdm_set_hwsup(clkdm, 0); if (atomic_read(&clkdm->usecount) > 0) _clkdm_del_autodeps(clkdm); @@ -569,10 +575,14 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk) v = omap2_clkdm_clktrctrl_read(clkdm); if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) || - (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO)) + (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO)) { + /* Disable HW transitions when we are changing deps */ + _omap2_clkdm_set_hwsup(clkdm, 0); _clkdm_add_autodeps(clkdm); - else + _omap2_clkdm_set_hwsup(clkdm, 1); + } else { omap2_clkdm_wakeup(clkdm); + } pwrdm_wait_transition(clkdm->pwrdm.ptr); pwrdm_clkdm_state_switch(clkdm); @@ -623,10 +633,14 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) v = omap2_clkdm_clktrctrl_read(clkdm); if ((cpu_is_omap34xx() && v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) || - (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO)) + (cpu_is_omap24xx() && v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO)) { + /* Disable HW transitions when we are changing deps */ + _omap2_clkdm_set_hwsup(clkdm, 0); _clkdm_del_autodeps(clkdm); - else + _omap2_clkdm_set_hwsup(clkdm, 1); + } else { omap2_clkdm_sleep(clkdm); + } pwrdm_clkdm_state_switch(clkdm); diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c index 3a8ee2272add..983cc8c20081 100644 --- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c +++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c @@ -155,7 +155,7 @@ MODULE_PARM_DESC(pxa255_turbo_table, "Selects the frequency table (0 = run table static pxa_freqs_t pxa27x_freqs[] = { {104000, 104000, PXA27x_CCCR(1, 8, 2), 0, CCLKCFG2(1, 0, 1), 900000, 1705000 }, - {156000, 104000, PXA27x_CCCR(1, 8, 6), 0, CCLKCFG2(1, 1, 1), 1000000, 1705000 }, + {156000, 104000, PXA27x_CCCR(1, 8, 3), 0, CCLKCFG2(1, 0, 1), 1000000, 1705000 }, {208000, 208000, PXA27x_CCCR(0, 16, 2), 1, CCLKCFG2(0, 0, 1), 1180000, 1705000 }, {312000, 208000, PXA27x_CCCR(1, 16, 3), 1, CCLKCFG2(1, 0, 1), 1250000, 1705000 }, {416000, 208000, PXA27x_CCCR(1, 16, 4), 1, CCLKCFG2(1, 0, 1), 1350000, 1705000 }, diff --git a/arch/arm/mach-pxa/csb726.c b/arch/arm/mach-pxa/csb726.c index 79141f862728..965480eb4fe6 100644 --- a/arch/arm/mach-pxa/csb726.c +++ b/arch/arm/mach-pxa/csb726.c @@ -238,7 +238,7 @@ static struct resource csb726_lan_resources[] = { }; struct smsc911x_platform_config csb726_lan_config = { - .irq_type = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, .flags = SMSC911X_USE_32BIT, .phy_interface = PHY_INTERFACE_MODE_MII, 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-armv.c b/arch/arm/mm/fault-armv.c index bc0099d5ae85..d0d17b6a3703 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c @@ -153,14 +153,11 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte) page = pfn_to_page(pfn); mapping = page_mapping(page); - if (mapping) { #ifndef CONFIG_SMP - int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags); - - if (dirty) - __flush_dcache_page(mapping, page); + if (test_and_clear_bit(PG_dcache_dirty, &page->flags)) + __flush_dcache_page(mapping, page); #endif - + if (mapping) { if (cache_is_vivt()) make_coherent(mapping, vma, addr, pfn); else if (vma->vm_flags & VM_EXEC) 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); /* diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index fd3154ae69b1..0eb676d7e807 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -829,10 +829,10 @@ EXPORT_SYMBOL(omap_free_dma); * * @param arb_rate * @param max_fifo_depth - * @param tparams - Number of thereads to reserve : DMA_THREAD_RESERVE_NORM - * DMA_THREAD_RESERVE_ONET - * DMA_THREAD_RESERVE_TWOT - * DMA_THREAD_RESERVE_THREET + * @param tparams - Number of threads to reserve : DMA_THREAD_RESERVE_NORM + * DMA_THREAD_RESERVE_ONET + * DMA_THREAD_RESERVE_TWOT + * DMA_THREAD_RESERVE_THREET */ void omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams) @@ -844,11 +844,14 @@ omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams) return; } + if (max_fifo_depth == 0) + max_fifo_depth = 1; if (arb_rate == 0) arb_rate = 1; - reg = (arb_rate & 0xff) << 16; - reg |= (0xff & max_fifo_depth); + reg = 0xff & max_fifo_depth; + reg |= (0x3 & tparams) << 12; + reg |= (arb_rate & 0xff) << 16; dma_write(reg, GCR); } diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index 88ac9768f1c1..e664b912d7bb 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -595,7 +595,7 @@ void omap_mcbsp_stop(unsigned int id, int tx, int rx) rx &= 1; if (cpu_is_omap2430() || cpu_is_omap34xx()) { w = OMAP_MCBSP_READ(io_base, RCCR); - w |= (tx ? RDISABLE : 0); + w |= (rx ? RDISABLE : 0); OMAP_MCBSP_WRITE(io_base, RCCR, w); } w = OMAP_MCBSP_READ(io_base, SPCR1); diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h index 3a179827528d..20778a405d7a 100644 --- a/arch/powerpc/include/asm/firmware.h +++ b/arch/powerpc/include/asm/firmware.h @@ -37,7 +37,7 @@ #define FW_FEATURE_VIO ASM_CONST(0x0000000000004000) #define FW_FEATURE_RDMA ASM_CONST(0x0000000000008000) #define FW_FEATURE_LLAN ASM_CONST(0x0000000000010000) -#define FW_FEATURE_BULK ASM_CONST(0x0000000000020000) +#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000000020000) #define FW_FEATURE_XDABR ASM_CONST(0x0000000000040000) #define FW_FEATURE_MULTITCE ASM_CONST(0x0000000000080000) #define FW_FEATURE_SPLPAR ASM_CONST(0x0000000000100000) @@ -45,8 +45,7 @@ #define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000) #define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000) #define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000) -#define FW_FEATURE_BULK_REMOVE ASM_CONST(0x0000000002000000) -#define FW_FEATURE_CMO ASM_CONST(0x0000000004000000) +#define FW_FEATURE_CMO ASM_CONST(0x0000000002000000) #ifndef __ASSEMBLY__ @@ -58,8 +57,9 @@ enum { FW_FEATURE_PERF | FW_FEATURE_DUMP | FW_FEATURE_INTERRUPT | FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | - FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | - FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | FW_FEATURE_CMO, + FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR | + FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR | + FW_FEATURE_CMO, FW_FEATURE_PSERIES_ALWAYS = 0, FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 0b9c9135922e..03c862b6a9c4 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -711,6 +711,8 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_setup = __setup_cpu_750, .machine_check = machine_check_generic, .platform = "ppc750", + .oprofile_cpu_type = "ppc/750", + .oprofile_type = PPC_OPROFILE_G4, }, { /* 745/755 */ .pvr_mask = 0xfffff000, diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 900e0eea0099..f9fd54bfcc84 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -1038,8 +1038,7 @@ _GLOBAL(mod_return_to_handler) * We are in a module using the module's TOC. * Switch to our TOC to run inside the core kernel. */ - LOAD_REG_IMMEDIATE(r4,ftrace_return_to_handler) - ld r2, 8(r4) + ld r2, PACATOC(r13) bl .ftrace_return_to_handler nop diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c index fe8f71dd0b3f..641c74bb8e27 100644 --- a/arch/powerpc/kernel/kgdb.c +++ b/arch/powerpc/kernel/kgdb.c @@ -282,12 +282,6 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) { unsigned long *ptr = gdb_regs; int reg; -#ifdef CONFIG_SPE - union { - u32 v32[2]; - u64 v64; - } acc; -#endif for (reg = 0; reg < 32; reg++) UNPACK64(regs->gpr[reg], ptr); diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index bb8209e34931..e8dfdbd9327a 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1190,7 +1190,7 @@ EXPORT_SYMBOL(pcibios_align_resource); * Reparent resource children of pr that conflict with res * under res, and make res replace those children. */ -static int __init reparent_resources(struct resource *parent, +static int reparent_resources(struct resource *parent, struct resource *res) { struct resource *p, **pp; diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 1168c5f440ab..2ec1eaed19ca 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1016,9 +1016,13 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) #ifdef CONFIG_FUNCTION_GRAPH_TRACER int curr_frame = current->curr_ret_stack; extern void return_to_handler(void); - unsigned long addr = (unsigned long)return_to_handler; + unsigned long rth = (unsigned long)return_to_handler; + unsigned long mrth = -1; #ifdef CONFIG_PPC64 - addr = *(unsigned long*)addr; + extern void mod_return_to_handler(void); + rth = *(unsigned long *)rth; + mrth = (unsigned long)mod_return_to_handler; + mrth = *(unsigned long *)mrth; #endif #endif @@ -1044,7 +1048,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) if (!firstframe || ip != lr) { printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip); #ifdef CONFIG_FUNCTION_GRAPH_TRACER - if (ip == addr && curr_frame >= 0) { + if ((ip == rth || ip == mrth) && curr_frame >= 0) { printk(" (%pS)", (void *)current->ret_stack[curr_frame].ret); curr_frame--; diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index f56429362a12..27735a7ac12b 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -236,6 +236,7 @@ SECTIONS READ_MOSTLY_DATA(L1_CACHE_BYTES) } + . = ALIGN(PAGE_SIZE); .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { NOSAVE_DATA } diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S index bc44dc4b5c67..95ce35581696 100644 --- a/arch/powerpc/mm/slb_low.S +++ b/arch/powerpc/mm/slb_low.S @@ -72,19 +72,17 @@ _GLOBAL(slb_miss_kernel_load_vmemmap) 1: #endif /* CONFIG_SPARSEMEM_VMEMMAP */ - /* vmalloc/ioremap mapping encoding bits, the "li" instructions below - * will be patched by the kernel at boot + /* vmalloc mapping gets the encoding from the PACA as the mapping + * can be demoted from 64K -> 4K dynamically on some machines */ -BEGIN_FTR_SECTION - /* check whether this is in vmalloc or ioremap space */ clrldi r11,r10,48 cmpldi r11,(VMALLOC_SIZE >> 28) - 1 bgt 5f lhz r11,PACAVMALLOCSLLP(r13) b 6f 5: -END_FTR_SECTION_IFCLR(CPU_FTR_CI_LARGE_PAGE) -_GLOBAL(slb_miss_kernel_load_io) + /* IO mapping */ + _GLOBAL(slb_miss_kernel_load_io) li r11,0 6: BEGIN_FTR_SECTION diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index aca5741ddc67..a86c34b3bb84 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -365,7 +365,7 @@ static int axon_msi_probe(struct of_device *device, printk(KERN_ERR "axon_msi: couldn't parse dcr properties on %s\n", dn->full_name); - goto out; + goto out_free_msic; } msic->dcr_host = dcr_map(dn, dcr_base, dcr_len); diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 21226b74c9b2..414ca9849f23 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -540,8 +540,11 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np) /* Make sure IRQ is disabled */ kw_write_reg(reg_ier, 0); - /* Request chip interrupt */ - if (request_irq(host->irq, kw_i2c_irq, 0, "keywest i2c", host)) + /* Request chip interrupt. We set IRQF_TIMER because we don't + * want that interrupt disabled between the 2 passes of driver + * suspend or we'll have issues running the pfuncs + */ + if (request_irq(host->irq, kw_i2c_irq, IRQF_TIMER, "keywest i2c", host)) host->irq = NO_IRQ; printk(KERN_INFO "KeyWest i2c @0x%08x irq %d %s\n", diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c index 5a707da3f5c2..0a14d8cd314f 100644 --- a/arch/powerpc/platforms/pseries/firmware.c +++ b/arch/powerpc/platforms/pseries/firmware.c @@ -51,11 +51,10 @@ firmware_features_table[FIRMWARE_MAX_FEATURES] = { {FW_FEATURE_VIO, "hcall-vio"}, {FW_FEATURE_RDMA, "hcall-rdma"}, {FW_FEATURE_LLAN, "hcall-lLAN"}, - {FW_FEATURE_BULK, "hcall-bulk"}, + {FW_FEATURE_BULK_REMOVE, "hcall-bulk"}, {FW_FEATURE_XDABR, "hcall-xdabr"}, {FW_FEATURE_MULTITCE, "hcall-multi-tce"}, {FW_FEATURE_SPLPAR, "hcall-splpar"}, - {FW_FEATURE_BULK_REMOVE, "hcall-bulk"}, }; /* Build up the firmware features bitmask using the contents of diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 704dd396257b..77df726180ba 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -438,7 +438,7 @@ static int diag204_probe(void) } if (diag204((unsigned long)SUBC_STIB6 | (unsigned long)INFO_EXT, pages, buf) >= 0) { - diag204_store_sc = SUBC_STIB7; + diag204_store_sc = SUBC_STIB6; diag204_info_type = INFO_EXT; goto out; } diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c index 802c8ab247f3..0729f36c2fe3 100644 --- a/arch/s390/kernel/processor.c +++ b/arch/s390/kernel/processor.c @@ -31,9 +31,9 @@ void __cpuinit print_cpu_info(void) static int show_cpuinfo(struct seq_file *m, void *v) { - static const char *hwcap_str[9] = { + static const char *hwcap_str[10] = { "esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp", - "edat", "etf3eh" + "edat", "etf3eh", "highgprs" }; struct _lowcore *lc; unsigned long n = (unsigned long) v - 1; @@ -48,7 +48,7 @@ static int show_cpuinfo(struct seq_file *m, void *v) num_online_cpus(), loops_per_jiffy/(500000/HZ), (loops_per_jiffy/(5000/HZ))%100); seq_puts(m, "features\t: "); - for (i = 0; i < 9; i++) + for (i = 0; i < 10; i++) if (hwcap_str[i] && (elf_hwcap & (1UL << i))) seq_printf(m, "%s ", hwcap_str[i]); seq_puts(m, "\n"); diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S index 68d9223b145e..3eb84931d2aa 100644 --- a/arch/sh/kernel/entry-common.S +++ b/arch/sh/kernel/entry-common.S @@ -121,7 +121,7 @@ noresched: ENTRY(resume_userspace) ! r8: current_thread_info cli - TRACE_IRQS_OfF + TRACE_IRQS_OFF mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags tst #(_TIF_WORK_MASK & 0xff), r0 bt/s __restore_all diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c index a3dcc6d5d253..2c48e267256e 100644 --- a/arch/sh/kernel/ftrace.c +++ b/arch/sh/kernel/ftrace.c @@ -291,31 +291,48 @@ struct syscall_metadata *syscall_nr_to_meta(int nr) return syscalls_metadata[nr]; } -void arch_init_ftrace_syscalls(void) +int syscall_name_to_nr(char *name) +{ + int i; + + if (!syscalls_metadata) + return -1; + for (i = 0; i < NR_syscalls; i++) + if (syscalls_metadata[i]) + if (!strcmp(syscalls_metadata[i]->name, name)) + return i; + return -1; +} + +void set_syscall_enter_id(int num, int id) +{ + syscalls_metadata[num]->enter_id = id; +} + +void set_syscall_exit_id(int num, int id) +{ + syscalls_metadata[num]->exit_id = id; +} + +static int __init arch_init_ftrace_syscalls(void) { int i; struct syscall_metadata *meta; unsigned long **psys_syscall_table = &sys_call_table; - static atomic_t refs; - - if (atomic_inc_return(&refs) != 1) - goto end; syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) * FTRACE_SYSCALL_MAX, GFP_KERNEL); if (!syscalls_metadata) { WARN_ON(1); - return; + return -ENOMEM; } for (i = 0; i < FTRACE_SYSCALL_MAX; i++) { meta = find_syscall_meta(psys_syscall_table[i]); syscalls_metadata[i] = meta; } - return; - /* Paranoid: avoid overflow */ -end: - atomic_dec(&refs); + return 0; } +arch_initcall(arch_init_ftrace_syscalls); #endif /* CONFIG_FTRACE_SYSCALLS */ diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index f9d44f8e0df6..99b4fb553bf1 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -549,6 +549,8 @@ static int show_cpuinfo(struct seq_file *m, void *v) if (cpu == 0) seq_printf(m, "machine\t\t: %s\n", get_system_type()); + else + seq_printf(m, "\n"); seq_printf(m, "processor\t: %d\n", cpu); seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine); diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 6729703547a1..3db37425210d 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -145,7 +145,7 @@ static inline int restore_sigcontext_fpu(struct sigcontext __user *sc) { struct task_struct *tsk = current; - if (!(current_cpu_data.flags & CPU_HAS_FPU)) + if (!(boot_cpu_data.flags & CPU_HAS_FPU)) return 0; set_used_math(); @@ -158,7 +158,7 @@ static inline int save_sigcontext_fpu(struct sigcontext __user *sc, { struct task_struct *tsk = current; - if (!(current_cpu_data.flags & CPU_HAS_FPU)) + if (!(boot_cpu_data.flags & CPU_HAS_FPU)) return 0; if (!used_math()) { @@ -199,7 +199,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *r0_p #undef COPY #ifdef CONFIG_SH_FPU - if (current_cpu_data.flags & CPU_HAS_FPU) { + if (boot_cpu_data.flags & CPU_HAS_FPU) { int owned_fp; struct task_struct *tsk = current; @@ -472,6 +472,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= __put_user(OR_R0_R0, &frame->retcode[6]); err |= __put_user((__NR_rt_sigreturn), &frame->retcode[7]); regs->pr = (unsigned long) frame->retcode; + flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode)); } if (err) @@ -497,8 +498,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n", current->comm, task_pid_nr(current), frame, regs->pc, regs->pr); - flush_icache_range(regs->pr, regs->pr + sizeof(frame->retcode)); - return 0; give_sigsegv: diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index 442d8d47a41e..160db1003cfb 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -35,6 +35,8 @@ static inline void __init smp_store_cpu_info(unsigned int cpu) { struct sh_cpuinfo *c = cpu_data + cpu; + memcpy(c, &boot_cpu_data, sizeof(struct sh_cpuinfo)); + c->loops_per_jiffy = loops_per_jiffy; } diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c index e0b5e4b5accd..7a2ee3a6b8e7 100644 --- a/arch/sh/kernel/traps_32.c +++ b/arch/sh/kernel/traps_32.c @@ -25,6 +25,7 @@ #include <linux/kexec.h> #include <linux/limits.h> #include <linux/proc_fs.h> +#include <linux/sysfs.h> #include <asm/system.h> #include <asm/uaccess.h> #include <asm/fpu.h> @@ -159,12 +160,12 @@ void die(const char * str, struct pt_regs * regs, long err) oops_enter(); - console_verbose(); spin_lock_irq(&die_lock); + console_verbose(); bust_spinlocks(1); printk("%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter); - + sysfs_printk_last_file(); print_modules(); show_regs(regs); @@ -180,6 +181,7 @@ void die(const char * str, struct pt_regs * regs, long err) bust_spinlocks(0); add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); + oops_exit(); if (kexec_should_crash(current)) crash_kexec(regs); @@ -190,7 +192,6 @@ void die(const char * str, struct pt_regs * regs, long err) if (panic_on_oops) panic("Fatal exception"); - oops_exit(); do_exit(SIGSEGV); } diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index 35c37b7f717a..5e1091be9dc4 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -128,7 +128,7 @@ void __update_cache(struct vm_area_struct *vma, return; page = pfn_to_page(pfn); - if (pfn_valid(pfn) && page_mapping(page)) { + if (pfn_valid(pfn)) { int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags); if (dirty) { unsigned long addr = (unsigned long)page_address(page); diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c index adf5f273868a..cb3c72c45aab 100644 --- a/arch/sparc/kernel/ldc.c +++ b/arch/sparc/kernel/ldc.c @@ -1242,13 +1242,13 @@ int ldc_bind(struct ldc_channel *lp, const char *name) snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name); err = request_irq(lp->cfg.rx_irq, ldc_rx, - IRQF_SAMPLE_RANDOM | IRQF_SHARED, + IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED, lp->rx_irq_name, lp); if (err) return err; err = request_irq(lp->cfg.tx_irq, ldc_tx, - IRQF_SAMPLE_RANDOM | IRQF_SHARED, + IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED, lp->tx_irq_name, lp); if (err) { free_irq(lp->cfg.rx_irq, lp); diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 04db92743896..fa5936e1c3b9 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -437,7 +437,7 @@ static const struct sparc_pmu niagara2_pmu = { .lower_shift = 6, .event_mask = 0xfff, .hv_bit = 0x8, - .irq_bit = 0x03, + .irq_bit = 0x30, .upper_nop = 0x220, .lower_nop = 0x220, }; diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index a70a5e1904d9..1886d37d411b 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -265,7 +265,7 @@ static void flush_dcache(unsigned long pfn) struct page *page; page = pfn_to_page(pfn); - if (page && page_mapping(page)) { + if (page) { unsigned long pg_flags; pg_flags = page->flags; diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c876bace8fdc..07e01149e3bf 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -491,7 +491,7 @@ if PARAVIRT_GUEST source "arch/x86/xen/Kconfig" config VMI - bool "VMI Guest support" + bool "VMI Guest support (DEPRECATED)" select PARAVIRT depends on X86_32 ---help--- @@ -500,6 +500,15 @@ config VMI at the moment), by linking the kernel to a GPL-ed ROM module provided by the hypervisor. + As of September 2009, VMware has started a phased retirement + of this feature from VMware's products. Please see + feature-removal-schedule.txt for details. If you are + planning to enable this option, please note that you cannot + live migrate a VMI enabled VM to a future VMware product, + which doesn't support VMI. So if you expect your kernel to + seamlessly migrate to newer VMware products, keep this + disabled. + config KVM_CLOCK bool "KVM paravirtualized clock" select PARAVIRT diff --git a/arch/x86/include/asm/amd_iommu.h b/arch/x86/include/asm/amd_iommu.h index ac95995b7bad..4b180897e6b5 100644 --- a/arch/x86/include/asm/amd_iommu.h +++ b/arch/x86/include/asm/amd_iommu.h @@ -31,6 +31,7 @@ extern irqreturn_t amd_iommu_int_handler(int irq, void *data); extern void amd_iommu_flush_all_domains(void); extern void amd_iommu_flush_all_devices(void); extern void amd_iommu_shutdown(void); +extern void amd_iommu_apply_erratum_63(u16 devid); #else static inline int amd_iommu_init(void) { return -ENODEV; } static inline void amd_iommu_detect(void) { } diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 8aebcc41041d..efb38994859c 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -840,42 +840,22 @@ static __always_inline void __raw_spin_unlock(struct raw_spinlock *lock) static inline unsigned long __raw_local_save_flags(void) { - unsigned long f; - - asm volatile(paravirt_alt(PARAVIRT_CALL) - : "=a"(f) - : paravirt_type(pv_irq_ops.save_fl), - paravirt_clobber(CLBR_EAX) - : "memory", "cc"); - return f; + return PVOP_CALLEE0(unsigned long, pv_irq_ops.save_fl); } static inline void raw_local_irq_restore(unsigned long f) { - asm volatile(paravirt_alt(PARAVIRT_CALL) - : "=a"(f) - : PV_FLAGS_ARG(f), - paravirt_type(pv_irq_ops.restore_fl), - paravirt_clobber(CLBR_EAX) - : "memory", "cc"); + PVOP_VCALLEE1(pv_irq_ops.restore_fl, f); } static inline void raw_local_irq_disable(void) { - asm volatile(paravirt_alt(PARAVIRT_CALL) - : - : paravirt_type(pv_irq_ops.irq_disable), - paravirt_clobber(CLBR_EAX) - : "memory", "eax", "cc"); + PVOP_VCALLEE0(pv_irq_ops.irq_disable); } static inline void raw_local_irq_enable(void) { - asm volatile(paravirt_alt(PARAVIRT_CALL) - : - : paravirt_type(pv_irq_ops.irq_enable), - paravirt_clobber(CLBR_EAX) - : "memory", "eax", "cc"); + PVOP_VCALLEE0(pv_irq_ops.irq_enable); } static inline unsigned long __raw_local_irq_save(void) diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index dd0f5b32489d..9357473c8da0 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -494,10 +494,11 @@ int paravirt_disable_iospace(void); #define EXTRA_CLOBBERS #define VEXTRA_CLOBBERS #else /* CONFIG_X86_64 */ +/* [re]ax isn't an arg, but the return val */ #define PVOP_VCALL_ARGS \ unsigned long __edi = __edi, __esi = __esi, \ - __edx = __edx, __ecx = __ecx -#define PVOP_CALL_ARGS PVOP_VCALL_ARGS, __eax + __edx = __edx, __ecx = __ecx, __eax = __eax +#define PVOP_CALL_ARGS PVOP_VCALL_ARGS #define PVOP_CALL_ARG1(x) "D" ((unsigned long)(x)) #define PVOP_CALL_ARG2(x) "S" ((unsigned long)(x)) @@ -509,6 +510,7 @@ int paravirt_disable_iospace(void); "=c" (__ecx) #define PVOP_CALL_CLOBBERS PVOP_VCALL_CLOBBERS, "=a" (__eax) +/* void functions are still allowed [re]ax for scratch */ #define PVOP_VCALLEE_CLOBBERS "=a" (__eax) #define PVOP_CALLEE_CLOBBERS PVOP_VCALLEE_CLOBBERS @@ -583,8 +585,8 @@ int paravirt_disable_iospace(void); VEXTRA_CLOBBERS, \ pre, post, ##__VA_ARGS__) -#define __PVOP_VCALLEESAVE(rettype, op, pre, post, ...) \ - ____PVOP_CALL(rettype, op.func, CLBR_RET_REG, \ +#define __PVOP_VCALLEESAVE(op, pre, post, ...) \ + ____PVOP_VCALL(op.func, CLBR_RET_REG, \ PVOP_VCALLEE_CLOBBERS, , \ pre, post, ##__VA_ARGS__) diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index 98f230f6a28d..0285521e0a99 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -1220,6 +1220,8 @@ static void __detach_device(struct protection_domain *domain, u16 devid) amd_iommu_dev_table[devid].data[1] = 0; amd_iommu_dev_table[devid].data[2] = 0; + amd_iommu_apply_erratum_63(devid); + /* decrease reference counter */ domain->dev_cnt -= 1; diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index b4b61d462dcc..c20001e4f556 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -240,7 +240,7 @@ static void iommu_feature_enable(struct amd_iommu *iommu, u8 bit) writel(ctrl, iommu->mmio_base + MMIO_CONTROL_OFFSET); } -static void __init iommu_feature_disable(struct amd_iommu *iommu, u8 bit) +static void iommu_feature_disable(struct amd_iommu *iommu, u8 bit) { u32 ctrl; @@ -519,6 +519,26 @@ static void set_dev_entry_bit(u16 devid, u8 bit) amd_iommu_dev_table[devid].data[i] |= (1 << _bit); } +static int get_dev_entry_bit(u16 devid, u8 bit) +{ + int i = (bit >> 5) & 0x07; + int _bit = bit & 0x1f; + + return (amd_iommu_dev_table[devid].data[i] & (1 << _bit)) >> _bit; +} + + +void amd_iommu_apply_erratum_63(u16 devid) +{ + int sysmgt; + + sysmgt = get_dev_entry_bit(devid, DEV_ENTRY_SYSMGT1) | + (get_dev_entry_bit(devid, DEV_ENTRY_SYSMGT2) << 1); + + if (sysmgt == 0x01) + set_dev_entry_bit(devid, DEV_ENTRY_IW); +} + /* Writes the specific IOMMU for a device into the rlookup table */ static void __init set_iommu_for_device(struct amd_iommu *iommu, u16 devid) { @@ -547,6 +567,8 @@ static void __init set_dev_entry_from_acpi(struct amd_iommu *iommu, if (flags & ACPI_DEVFLAG_LINT1) set_dev_entry_bit(devid, DEV_ENTRY_LINT1_PASS); + amd_iommu_apply_erratum_63(devid); + set_iommu_for_device(iommu, devid); } diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index 391206199515..04bbd5278568 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -63,10 +63,10 @@ static int show_other_interrupts(struct seq_file *p, int prec) for_each_online_cpu(j) seq_printf(p, "%10u ", irq_stats(j)->irq_spurious_count); seq_printf(p, " Spurious interrupts\n"); - seq_printf(p, "%*s: ", prec, "CNT"); + seq_printf(p, "%*s: ", prec, "PMI"); for_each_online_cpu(j) seq_printf(p, "%10u ", irq_stats(j)->apic_perf_irqs); - seq_printf(p, " Performance counter interrupts\n"); + seq_printf(p, " Performance monitoring interrupts\n"); seq_printf(p, "%*s: ", prec, "PND"); for_each_online_cpu(j) seq_printf(p, "%10u ", irq_stats(j)->apic_pending_irqs); @@ -244,7 +244,6 @@ unsigned int __irq_entry do_IRQ(struct pt_regs *regs) __func__, smp_processor_id(), vector, irq); } - run_local_timers(); irq_exit(); set_irq_regs(old_regs); @@ -269,7 +268,6 @@ void smp_generic_interrupt(struct pt_regs *regs) if (generic_interrupt_extension) generic_interrupt_extension(); - run_local_timers(); irq_exit(); set_irq_regs(old_regs); diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index d20009b4e6ef..b2a71dca5642 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -311,7 +311,7 @@ void pci_iommu_shutdown(void) amd_iommu_shutdown(); } /* Must execute after PCI subsystem */ -fs_initcall(pci_iommu_init); +rootfs_initcall(pci_iommu_init); #ifdef CONFIG_PCI /* Many VIA bridges seem to corrupt data for DAC. Disable it here */ diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index d915d956e66d..ec1de97600e7 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -198,7 +198,6 @@ void smp_reschedule_interrupt(struct pt_regs *regs) { ack_APIC_irq(); inc_irq_stat(irq_resched_count); - run_local_timers(); /* * KVM uses this interrupt to force a cpu out of guest mode */ diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c index dcb00d278512..be2573448ed9 100644 --- a/arch/x86/kernel/time.c +++ b/arch/x86/kernel/time.c @@ -38,7 +38,8 @@ unsigned long profile_pc(struct pt_regs *regs) #ifdef CONFIG_FRAME_POINTER return *(unsigned long *)(regs->bp + sizeof(long)); #else - unsigned long *sp = (unsigned long *)regs->sp; + unsigned long *sp = + (unsigned long *)kernel_stack_pointer(regs); /* * Return address is either directly at stack pointer * or above a saved flags. Eflags has bits 22-31 zero, diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c index 699f7eeb896a..cd022121cab6 100644 --- a/arch/x86/kernel/trampoline.c +++ b/arch/x86/kernel/trampoline.c @@ -3,8 +3,16 @@ #include <asm/trampoline.h> #include <asm/e820.h> +#if defined(CONFIG_X86_64) && defined(CONFIG_ACPI_SLEEP) +#define __trampinit +#define __trampinitdata +#else +#define __trampinit __cpuinit +#define __trampinitdata __cpuinitdata +#endif + /* ready for x86_64 and x86 */ -unsigned char *__cpuinitdata trampoline_base = __va(TRAMPOLINE_BASE); +unsigned char *__trampinitdata trampoline_base = __va(TRAMPOLINE_BASE); void __init reserve_trampoline_memory(void) { @@ -26,7 +34,7 @@ void __init reserve_trampoline_memory(void) * bootstrap into the page concerned. The caller * has made sure it's suitably aligned. */ -unsigned long __cpuinit setup_trampoline(void) +unsigned long __trampinit setup_trampoline(void) { memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE); return virt_to_phys(trampoline_base); diff --git a/arch/x86/kernel/trampoline_64.S b/arch/x86/kernel/trampoline_64.S index 596d54c660a5..3af2dff58b21 100644 --- a/arch/x86/kernel/trampoline_64.S +++ b/arch/x86/kernel/trampoline_64.S @@ -32,8 +32,12 @@ #include <asm/segment.h> #include <asm/processor-flags.h> +#ifdef CONFIG_ACPI_SLEEP +.section .rodata, "a", @progbits +#else /* We can free up the trampoline after bootup if cpu hotplug is not supported. */ __CPUINITRODATA +#endif .code16 ENTRY(trampoline_data) diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index 31e6f6cfe53e..d430e4c30193 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -648,7 +648,7 @@ static inline int __init activate_vmi(void) pv_info.paravirt_enabled = 1; pv_info.kernel_rpl = kernel_cs & SEGMENT_RPL_MASK; - pv_info.name = "vmi"; + pv_info.name = "vmi [deprecated]"; pv_init_ops.patch = vmi_patch; |