diff options
Diffstat (limited to 'arch/mips/sibyte')
| -rw-r--r-- | arch/mips/sibyte/Kconfig | 31 | ||||
| -rw-r--r-- | arch/mips/sibyte/bcm1480/irq.c | 18 | ||||
| -rw-r--r-- | arch/mips/sibyte/bcm1480/smp.c | 3 | ||||
| -rw-r--r-- | arch/mips/sibyte/cfe/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/sibyte/common/Makefile | 4 | ||||
| -rw-r--r-- | arch/mips/sibyte/common/cfe.c (renamed from arch/mips/sibyte/cfe/setup.c) | 8 | ||||
| -rw-r--r-- | arch/mips/sibyte/common/cfe_console.c (renamed from arch/mips/sibyte/cfe/console.c) | 7 | ||||
| -rw-r--r-- | arch/mips/sibyte/sb1250/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/sibyte/sb1250/irq.c | 20 | ||||
| -rw-r--r-- | arch/mips/sibyte/sb1250/prom.c | 96 | ||||
| -rw-r--r-- | arch/mips/sibyte/sb1250/smp.c | 3 | ||||
| -rw-r--r-- | arch/mips/sibyte/swarm/setup.c | 14 | ||||
| -rw-r--r-- | arch/mips/sibyte/swarm/swarm-i2c.c | 2 |
13 files changed, 30 insertions, 179 deletions
diff --git a/arch/mips/sibyte/Kconfig b/arch/mips/sibyte/Kconfig index 366b19d33f7..3e639bda43f 100644 --- a/arch/mips/sibyte/Kconfig +++ b/arch/mips/sibyte/Kconfig @@ -75,6 +75,8 @@ config SIBYTE_SB1xxx_SOC select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL + select CFE + select SYS_HAS_EARLY_PRINTK choice prompt "SiByte SOC Stepping" @@ -128,13 +130,6 @@ config SIBYTE_ENABLE_LDT_IF_PCI bool select SIBYTE_HAS_LDT if PCI -config SIMULATION - bool "Running under simulation" - depends on SIBYTE_SB1xxx_SOC - help - Build a kernel suitable for running under the GDB simulator. - Primarily adjusts the kernel's notion of time. - config SB1_CEX_ALWAYS_FATAL bool "All cache exceptions considered fatal (no recovery attempted)" depends on SIBYTE_SB1xxx_SOC @@ -143,34 +138,14 @@ config SB1_CERR_STALL bool "Stall (rather than panic) on fatal cache error" depends on SIBYTE_SB1xxx_SOC -config SIBYTE_CFE - bool "Booting from CFE" - depends on SIBYTE_SB1xxx_SOC - select CFE - select SYS_HAS_EARLY_PRINTK - help - Make use of the CFE API for enumerating available memory, - controlling secondary CPUs, and possibly console output. - config SIBYTE_CFE_CONSOLE bool "Use firmware console" - depends on SIBYTE_CFE + depends on SIBYTE_SB1xxx_SOC help Use the CFE API's console write routines during boot. Other console options (VT console, sb1250 duart console, etc.) should not be configured. -config SIBYTE_STANDALONE - bool - depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE - select SYS_HAS_EARLY_PRINTK - default y - -config SIBYTE_STANDALONE_RAM_SIZE - int "Memory size (in megabytes)" - depends on SIBYTE_STANDALONE - default "32" - config SIBYTE_BUS_WATCHER bool "Support for Bus Watcher statistics" depends on SIBYTE_SB1xxx_SOC diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c index 12b465d404d..ba59839a021 100644 --- a/arch/mips/sibyte/bcm1480/irq.c +++ b/arch/mips/sibyte/bcm1480/irq.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/linkage.h> #include <linux/interrupt.h> +#include <linux/smp.h> #include <linux/spinlock.h> #include <linux/mm.h> #include <linux/slab.h> @@ -50,7 +51,7 @@ static void enable_bcm1480_irq(unsigned int irq); static void disable_bcm1480_irq(unsigned int irq); static void ack_bcm1480_irq(unsigned int irq); #ifdef CONFIG_SMP -static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask); +static int bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask); #endif #ifdef CONFIG_PCI @@ -109,17 +110,16 @@ void bcm1480_unmask_irq(int cpu, int irq) } #ifdef CONFIG_SMP -static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) +static int bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) { int i = 0, old_cpu, cpu, int_on, k; u64 cur_ints; - struct irq_desc *desc = irq_desc + irq; unsigned long flags; unsigned int irq_dirty; if (cpumask_weight(mask) != 1) { printk("attempted to set irq affinity for irq %d to multiple CPUs\n", irq); - return; + return -1; } i = cpumask_first(mask); @@ -127,8 +127,7 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) cpu = cpu_logical_map(i); /* Protect against other affinity changers and IMR manipulation */ - spin_lock_irqsave(&desc->lock, flags); - spin_lock(&bcm1480_imr_lock); + spin_lock_irqsave(&bcm1480_imr_lock, flags); /* Swizzle each CPU's IMR (but leave the IP selection alone) */ old_cpu = bcm1480_irq_owner[irq]; @@ -153,8 +152,9 @@ static void bcm1480_set_affinity(unsigned int irq, const struct cpumask *mask) ____raw_writeq(cur_ints, IOADDR(A_BCM1480_IMR_MAPPER(cpu) + R_BCM1480_IMR_INTERRUPT_MASK_H + (k*BCM1480_IMR_HL_SPACING))); } } - spin_unlock(&bcm1480_imr_lock); - spin_unlock_irqrestore(&desc->lock, flags); + spin_unlock_irqrestore(&bcm1480_imr_lock, flags); + + return 0; } #endif @@ -236,7 +236,7 @@ void __init init_bcm1480_irqs(void) int i; for (i = 0; i < BCM1480_NR_IRQS; i++) { - set_irq_chip(i, &bcm1480_irq_type); + set_irq_chip_and_handler(i, &bcm1480_irq_type, handle_level_irq); bcm1480_irq_owner[i] = 0; } } diff --git a/arch/mips/sibyte/bcm1480/smp.c b/arch/mips/sibyte/bcm1480/smp.c index dddfda8e829..314691648c9 100644 --- a/arch/mips/sibyte/bcm1480/smp.c +++ b/arch/mips/sibyte/bcm1480/smp.c @@ -178,9 +178,10 @@ struct plat_smp_ops bcm1480_smp_ops = { void bcm1480_mailbox_interrupt(void) { int cpu = smp_processor_id(); + int irq = K_BCM1480_INT_MBOX_0_0; unsigned int action; - kstat_this_cpu.irqs[K_BCM1480_INT_MBOX_0_0]++; + kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq)); /* Load the mailbox register to figure out what we're supposed to do */ action = (__raw_readq(mailbox_0_regs[cpu]) >> 48) & 0xffff; diff --git a/arch/mips/sibyte/cfe/Makefile b/arch/mips/sibyte/cfe/Makefile deleted file mode 100644 index 02b32e142ad..00000000000 --- a/arch/mips/sibyte/cfe/Makefile +++ /dev/null @@ -1,2 +0,0 @@ -lib-y = setup.o -lib-$(CONFIG_SIBYTE_CFE_CONSOLE) += console.o diff --git a/arch/mips/sibyte/common/Makefile b/arch/mips/sibyte/common/Makefile index 48a91b9e587..4f659837c7c 100644 --- a/arch/mips/sibyte/common/Makefile +++ b/arch/mips/sibyte/common/Makefile @@ -1,5 +1,5 @@ -obj-y := - +obj-y := cfe.o +obj-$(CONFIG_SIBYTE_CFE_CONSOLE) += cfe_console.o obj-$(CONFIG_SIBYTE_TBPROF) += sb_tbprof.o EXTRA_CFLAGS += -Werror diff --git a/arch/mips/sibyte/cfe/setup.c b/arch/mips/sibyte/common/cfe.c index 3de30f79db3..eb5396cf81b 100644 --- a/arch/mips/sibyte/cfe/setup.c +++ b/arch/mips/sibyte/common/cfe.c @@ -288,13 +288,7 @@ void __init prom_init(void) */ cfe_cons_handle = cfe_getstdhandle(CFE_STDHANDLE_CONSOLE); if (cfe_getenv("LINUX_CMDLINE", arcs_cmdline, CL_SIZE) < 0) { - if (argc < 0) { - /* - * It's OK for direct boot to not provide a - * command line - */ - strcpy(arcs_cmdline, "root=/dev/ram0 "); - } else { + if (argc >= 0) { /* The loader should have set the command line */ /* too early for panic to do any good */ printk("LINUX_CMDLINE not defined in cfe."); diff --git a/arch/mips/sibyte/cfe/console.c b/arch/mips/sibyte/common/cfe_console.c index 81e3d54376e..1ad2da103fe 100644 --- a/arch/mips/sibyte/cfe/console.c +++ b/arch/mips/sibyte/common/cfe_console.c @@ -51,12 +51,13 @@ static int cfe_console_setup(struct console *cons, char *str) setleds("u0cn"); } else if (!strcmp(consdev, "uart1")) { setleds("u1cn"); + } else #endif #ifdef CONFIG_VGA_CONSOLE - } else if (!strcmp(consdev, "pcconsole0")) { - setleds("pccn"); -#endif + if (!strcmp(consdev, "pcconsole0")) { + setleds("pccn"); } else +#endif return -ENODEV; } return 0; diff --git a/arch/mips/sibyte/sb1250/Makefile b/arch/mips/sibyte/sb1250/Makefile index 697793783a2..1896f4e77a3 100644 --- a/arch/mips/sibyte/sb1250/Makefile +++ b/arch/mips/sibyte/sb1250/Makefile @@ -1,7 +1,6 @@ obj-y := setup.o irq.o time.o obj-$(CONFIG_SMP) += smp.o -obj-$(CONFIG_SIBYTE_STANDALONE) += prom.o obj-$(CONFIG_SIBYTE_BUS_WATCHER) += bus_watcher.o EXTRA_CFLAGS += -Werror diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c index 808ac2959b8..5e7f2016cce 100644 --- a/arch/mips/sibyte/sb1250/irq.c +++ b/arch/mips/sibyte/sb1250/irq.c @@ -50,7 +50,7 @@ static void enable_sb1250_irq(unsigned int irq); static void disable_sb1250_irq(unsigned int irq); static void ack_sb1250_irq(unsigned int irq); #ifdef CONFIG_SMP -static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask); +static int sb1250_set_affinity(unsigned int irq, const struct cpumask *mask); #endif #ifdef CONFIG_SIBYTE_HAS_LDT @@ -103,26 +103,19 @@ void sb1250_unmask_irq(int cpu, int irq) } #ifdef CONFIG_SMP -static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask) +static int sb1250_set_affinity(unsigned int irq, const struct cpumask *mask) { int i = 0, old_cpu, cpu, int_on; u64 cur_ints; - struct irq_desc *desc = irq_desc + irq; unsigned long flags; i = cpumask_first(mask); - if (cpumask_weight(mask) > 1) { - printk("attempted to set irq affinity for irq %d to multiple CPUs\n", irq); - return; - } - /* Convert logical CPU to physical CPU */ cpu = cpu_logical_map(i); /* Protect against other affinity changers and IMR manipulation */ - spin_lock_irqsave(&desc->lock, flags); - spin_lock(&sb1250_imr_lock); + spin_lock_irqsave(&sb1250_imr_lock, flags); /* Swizzle each CPU's IMR (but leave the IP selection alone) */ old_cpu = sb1250_irq_owner[irq]; @@ -144,8 +137,9 @@ static void sb1250_set_affinity(unsigned int irq, const struct cpumask *mask) ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) + R_IMR_INTERRUPT_MASK)); } - spin_unlock(&sb1250_imr_lock); - spin_unlock_irqrestore(&desc->lock, flags); + spin_unlock_irqrestore(&sb1250_imr_lock, flags); + + return 0; } #endif @@ -220,7 +214,7 @@ void __init init_sb1250_irqs(void) int i; for (i = 0; i < SB1250_NR_IRQS; i++) { - set_irq_chip(i, &sb1250_irq_type); + set_irq_chip_and_handler(i, &sb1250_irq_type, handle_level_irq); sb1250_irq_owner[i] = 0; } } diff --git a/arch/mips/sibyte/sb1250/prom.c b/arch/mips/sibyte/sb1250/prom.c deleted file mode 100644 index 65b1af66b67..00000000000 --- a/arch/mips/sibyte/sb1250/prom.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - * Copyright (C) 2000, 2001 Broadcom Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/blkdev.h> -#include <linux/bootmem.h> -#include <linux/smp.h> -#include <linux/initrd.h> -#include <linux/pm.h> - -#include <asm/bootinfo.h> -#include <asm/reboot.h> - -#define MAX_RAM_SIZE ((CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024) - 1) - -static __init void prom_meminit(void) -{ -#ifdef CONFIG_BLK_DEV_INITRD - unsigned long initrd_pstart; - unsigned long initrd_pend; - - initrd_pstart = __pa(initrd_start); - initrd_pend = __pa(initrd_end); - if (initrd_start && - ((initrd_pstart > MAX_RAM_SIZE) - || (initrd_pend > MAX_RAM_SIZE))) { - panic("initrd out of addressable memory"); - } - - add_memory_region(0, initrd_pstart, - BOOT_MEM_RAM); - add_memory_region(initrd_pstart, initrd_pend - initrd_pstart, - BOOT_MEM_RESERVED); - add_memory_region(initrd_pend, - (CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024) - initrd_pend, - BOOT_MEM_RAM); -#else - add_memory_region(0, CONFIG_SIBYTE_STANDALONE_RAM_SIZE * 1024 * 1024, - BOOT_MEM_RAM); -#endif -} - -void prom_cpu0_exit(void *unused) -{ - while (1) ; -} - -static void prom_linux_exit(void) -{ -#ifdef CONFIG_SMP - if (smp_processor_id()) { - smp_call_function(prom_cpu0_exit, NULL, 1); - } -#endif - while(1); -} - -/* - * prom_init is called just after the cpu type is determined, from setup_arch() - */ -void __init prom_init(void) -{ - _machine_restart = (void (*)(char *))prom_linux_exit; - _machine_halt = prom_linux_exit; - pm_power_off = prom_linux_exit; - - strcpy(arcs_cmdline, "root=/dev/ram0 "); - - prom_meminit(); -} - -void __init prom_free_prom_memory(void) -{ - /* Not sure what I'm supposed to do here. Nothing, I think */ -} - -void prom_putchar(char c) -{ -} diff --git a/arch/mips/sibyte/sb1250/smp.c b/arch/mips/sibyte/sb1250/smp.c index 5950a288a7d..cad14003b84 100644 --- a/arch/mips/sibyte/sb1250/smp.c +++ b/arch/mips/sibyte/sb1250/smp.c @@ -166,9 +166,10 @@ struct plat_smp_ops sb_smp_ops = { void sb1250_mailbox_interrupt(void) { int cpu = smp_processor_id(); + int irq = K_INT_MBOX_0; unsigned int action; - kstat_this_cpu.irqs[K_INT_MBOX_0]++; + kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq)); /* Load the mailbox register to figure out what we're supposed to do */ action = (____raw_readq(mailbox_regs[cpu]) >> 48) & 0xffff; diff --git a/arch/mips/sibyte/swarm/setup.c b/arch/mips/sibyte/swarm/setup.c index 080c966263b..672e45d495a 100644 --- a/arch/mips/sibyte/swarm/setup.c +++ b/arch/mips/sibyte/swarm/setup.c @@ -136,20 +136,6 @@ void __init plat_mem_setup(void) if (m41t81_probe()) swarm_rtc_type = RTC_M4LT81; - printk("This kernel optimized for " -#ifdef CONFIG_SIMULATION - "simulation" -#else - "board" -#endif - " runs " -#ifdef CONFIG_SIBYTE_CFE - "with" -#else - "without" -#endif - " CFE\n"); - #ifdef CONFIG_VT screen_info = (struct screen_info) { 0, 0, /* orig-x, orig-y */ diff --git a/arch/mips/sibyte/swarm/swarm-i2c.c b/arch/mips/sibyte/swarm/swarm-i2c.c index 4282ac9d01d..062505054d4 100644 --- a/arch/mips/sibyte/swarm/swarm-i2c.c +++ b/arch/mips/sibyte/swarm/swarm-i2c.c @@ -1,6 +1,4 @@ /* - * arch/mips/sibyte/swarm/swarm-i2c.c - * * Broadcom BCM91250A (SWARM), etc. I2C platform setup. * * Copyright (c) 2008 Maciej W. Rozycki |