summaryrefslogtreecommitdiffstats
path: root/arch/mips
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/au1000/Kconfig9
-rw-r--r--arch/mips/au1000/common/pci.c8
-rw-r--r--arch/mips/au1000/common/setup.c9
-rw-r--r--arch/mips/cobalt/time.c21
-rw-r--r--arch/mips/configs/bigsur_defconfig9
-rw-r--r--arch/mips/configs/malta_defconfig8
-rw-r--r--arch/mips/kernel/process.c3
-rw-r--r--arch/mips/kernel/time.c4
-rw-r--r--arch/mips/kernel/traps.c6
-rw-r--r--arch/mips/mips-boards/generic/display.c4
-rw-r--r--arch/mips/mips-boards/generic/memory.c2
-rw-r--r--arch/mips/pci/pci.c2
-rw-r--r--arch/mips/qemu/q-irq.c2
13 files changed, 56 insertions, 31 deletions
diff --git a/arch/mips/au1000/Kconfig b/arch/mips/au1000/Kconfig
index 05d1354aad3a..1fe97cccead1 100644
--- a/arch/mips/au1000/Kconfig
+++ b/arch/mips/au1000/Kconfig
@@ -7,7 +7,6 @@ config MIPS_MTX1
bool "4G Systems MTX-1 board"
select DMA_NONCOHERENT
select HW_HAS_PCI
- select RESOURCES_64BIT if PCI
select SOC_AU1500
select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -22,7 +21,6 @@ config MIPS_DB1000
select SOC_AU1000
select DMA_NONCOHERENT
select HW_HAS_PCI
- select RESOURCES_64BIT if PCI
select SYS_SUPPORTS_LITTLE_ENDIAN
config MIPS_DB1100
@@ -44,7 +42,6 @@ config MIPS_DB1500
select DMA_NONCOHERENT
select HW_HAS_PCI
select MIPS_DISABLE_OBSOLETE_IDE
- select RESOURCES_64BIT if PCI
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -54,7 +51,6 @@ config MIPS_DB1550
select HW_HAS_PCI
select DMA_NONCOHERENT
select MIPS_DISABLE_OBSOLETE_IDE
- select RESOURCES_64BIT if PCI
select SYS_SUPPORTS_LITTLE_ENDIAN
config MIPS_MIRAGE
@@ -68,7 +64,6 @@ config MIPS_PB1000
select SOC_AU1000
select DMA_NONCOHERENT
select HW_HAS_PCI
- select RESOURCES_64BIT if PCI
select SWAP_IO_SPACE
select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -77,7 +72,6 @@ config MIPS_PB1100
select SOC_AU1100
select DMA_NONCOHERENT
select HW_HAS_PCI
- select RESOURCES_64BIT if PCI
select SWAP_IO_SPACE
select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -86,7 +80,6 @@ config MIPS_PB1200
select SOC_AU1200
select DMA_NONCOHERENT
select MIPS_DISABLE_OBSOLETE_IDE
- select RESOURCES_64BIT if PCI
select SYS_SUPPORTS_LITTLE_ENDIAN
config MIPS_PB1500
@@ -94,7 +87,6 @@ config MIPS_PB1500
select SOC_AU1500
select DMA_NONCOHERENT
select HW_HAS_PCI
- select RESOURCES_64BIT if PCI
select SYS_SUPPORTS_LITTLE_ENDIAN
config MIPS_PB1550
@@ -103,7 +95,6 @@ config MIPS_PB1550
select DMA_NONCOHERENT
select HW_HAS_PCI
select MIPS_DISABLE_OBSOLETE_IDE
- select RESOURCES_64BIT if PCI
select SYS_SUPPORTS_LITTLE_ENDIAN
config MIPS_XXS1500
diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c
index 9be99a68932a..6fa70a36a250 100644
--- a/arch/mips/au1000/common/pci.c
+++ b/arch/mips/au1000/common/pci.c
@@ -39,15 +39,15 @@
/* TBD */
static struct resource pci_io_resource = {
- .start = (resource_size_t)PCI_IO_START,
- .end = (resource_size_t)PCI_IO_END,
+ .start = PCI_IO_START,
+ .end = PCI_IO_END,
.name = "PCI IO space",
.flags = IORESOURCE_IO
};
static struct resource pci_mem_resource = {
- .start = (resource_size_t)PCI_MEM_START,
- .end = (resource_size_t)PCI_MEM_END,
+ .start = PCI_MEM_START,
+ .end = PCI_MEM_END,
.name = "PCI memory space",
.flags = IORESOURCE_MEM
};
diff --git a/arch/mips/au1000/common/setup.c b/arch/mips/au1000/common/setup.c
index a90d425d4651..d885e3848ec6 100644
--- a/arch/mips/au1000/common/setup.c
+++ b/arch/mips/au1000/common/setup.c
@@ -137,12 +137,11 @@ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
#ifdef CONFIG_PCI
{
- u32 start, end;
+ u32 start = (u32)Au1500_PCI_MEM_START;
+ u32 end = (u32)Au1500_PCI_MEM_END;
- start = (u32)Au1500_PCI_MEM_START;
- end = (u32)Au1500_PCI_MEM_END;
- /* check for pci memory window */
- if ((phys_addr >= start) && ((phys_addr + size) < end))
+ /* Check for PCI memory window */
+ if (phys_addr >= start && (phys_addr + size - 1) <= end)
return (phys_t)
((phys_addr - start) + Au1500_PCI_MEM_START);
}
diff --git a/arch/mips/cobalt/time.c b/arch/mips/cobalt/time.c
index fa819fccd5db..4a570e7145fe 100644
--- a/arch/mips/cobalt/time.c
+++ b/arch/mips/cobalt/time.c
@@ -27,9 +27,28 @@
void __init plat_time_init(void)
{
+ u32 start, end;
+ int i = HZ / 10;
+
setup_pit_timer();
gt641xx_set_base_clock(GT641XX_BASE_CLOCK);
- mips_timer_state = gt641xx_timer0_state;
+ /*
+ * MIPS counter frequency is measured during a 100msec interval
+ * using GT64111 timer0.
+ */
+ while (!gt641xx_timer0_state())
+ ;
+
+ start = read_c0_count();
+
+ while (i--)
+ while (!gt641xx_timer0_state())
+ ;
+
+ end = read_c0_count();
+
+ mips_hpt_frequency = (end - start) * 10;
+ printk(KERN_INFO "MIPS counter frequency %dHz\n", mips_hpt_frequency);
}
diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig
index 80b0c99c2cfb..3c70c9d16d01 100644
--- a/arch/mips/configs/bigsur_defconfig
+++ b/arch/mips/configs/bigsur_defconfig
@@ -76,9 +76,13 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_FIND_NEXT_BIT=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
+CONFIG_CEVT_BCM1480=y
+CONFIG_CSRC_BCM1480=y
CONFIG_DMA_COHERENT=y
CONFIG_CPU_BIG_ENDIAN=y
# CONFIG_CPU_LITTLE_ENDIAN is not set
@@ -91,6 +95,11 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
#
# CPU selection
#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+# CONFIG_CPU_LOONGSON2 is not set
# CONFIG_CPU_MIPS32_R1 is not set
# CONFIG_CPU_MIPS32_R2 is not set
# CONFIG_CPU_MIPS64_R1 is not set
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index fbd2d802fdfd..4b7e43c9f69a 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -49,10 +49,13 @@ CONFIG_RWSEM_GENERIC_SPINLOCK=y
CONFIG_GENERIC_FIND_NEXT_BIT=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
# CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_CEVT_R4K=y
CONFIG_DMA_NONCOHERENT=y
CONFIG_DMA_NEED_PCI_MAP_STATE=y
CONFIG_EARLY_PRINTK=y
@@ -76,6 +79,10 @@ CONFIG_MIPS_L1_CACHE_SHIFT=5
#
# CPU selection
#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
# CONFIG_CPU_LOONGSON2 is not set
# CONFIG_CPU_MIPS32_R1 is not set
CONFIG_CPU_MIPS32_R2=y
@@ -253,6 +260,7 @@ CONFIG_HW_HAS_PCI=y
CONFIG_PCI=y
# CONFIG_ARCH_SUPPORTS_MSI is not set
CONFIG_MMU=y
+CONFIG_I8253=y
#
# PCCARD (PCMCIA/CardBus) support
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 11cb264f59ce..2c09a442e5e5 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -77,9 +77,8 @@ void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp)
unsigned long status;
/* New thread loses kernel privileges. */
- status = regs->cp0_status & ~(ST0_CU0|ST0_CU1|KU_MASK);
+ status = regs->cp0_status & ~(ST0_CU0|ST0_CU1|ST0_FR|KU_MASK);
#ifdef CONFIG_64BIT
- status &= ~ST0_FR;
status |= test_thread_flag(TIF_32BIT_REGS) ? 0 : ST0_FR;
#endif
status |= KU_USER;
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 52075426c373..1ecfbb7eba6c 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -109,10 +109,6 @@ void __cpuinit clockevent_set_clock(struct clock_event_device *cd,
cd->mult = (u32) temp;
}
-void __init __weak plat_time_init(void)
-{
-}
-
/*
* This function exists in order to cause an error due to a duplicate
* definition if platform code should have its own implementation. The hook
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 23e73d0650a3..fcae66752972 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1317,12 +1317,12 @@ void __init per_cpu_trap_init(void)
#endif
if (current_cpu_data.isa_level == MIPS_CPU_ISA_IV)
status_set |= ST0_XX;
+ if (cpu_has_dsp)
+ status_set |= ST0_MX;
+
change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX,
status_set);
- if (cpu_has_dsp)
- set_c0_status(ST0_MX);
-
#ifdef CONFIG_CPU_MIPSR2
if (cpu_has_mips_r2) {
unsigned int enable = 0x0000000f;
diff --git a/arch/mips/mips-boards/generic/display.c b/arch/mips/mips-boards/generic/display.c
index 5d600054090a..2a0057cfc30d 100644
--- a/arch/mips/mips-boards/generic/display.c
+++ b/arch/mips/mips-boards/generic/display.c
@@ -37,9 +37,9 @@ void mips_display_message(const char *str)
for (i = 0; i <= 14; i=i+2) {
if (*str)
- writel(*str++, display + i);
+ __raw_writel(*str++, display + i);
else
- writel(' ', display + i);
+ __raw_writel(' ', display + i);
}
}
diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c
index dc272c188233..2c5c27c8e86d 100644
--- a/arch/mips/mips-boards/generic/memory.c
+++ b/arch/mips/mips-boards/generic/memory.c
@@ -169,6 +169,7 @@ void __init prom_meminit(void)
void __init prom_free_prom_memory(void)
{
+#if 0 /* for now ... */
unsigned long addr;
int i;
@@ -180,4 +181,5 @@ void __init prom_free_prom_memory(void)
free_init_pages("prom memory",
addr, addr + boot_mem_map.map[i].size);
}
+#endif
}
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index 589b745d822a..6e6981fd7934 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -242,6 +242,8 @@ static void pcibios_fixup_device_resources(struct pci_dev *dev,
for (i = 0; i < PCI_NUM_RESOURCES; i++) {
if (!dev->resource[i].start)
continue;
+ if (dev->resource[i].flags & IORESOURCE_PCI_FIXED)
+ continue;
if (dev->resource[i].flags & IORESOURCE_IO)
offset = hose->io_offset;
else if (dev->resource[i].flags & IORESOURCE_MEM)
diff --git a/arch/mips/qemu/q-irq.c b/arch/mips/qemu/q-irq.c
index 11f984767880..7df36dbe65c7 100644
--- a/arch/mips/qemu/q-irq.c
+++ b/arch/mips/qemu/q-irq.c
@@ -33,5 +33,5 @@ void __init arch_init_irq(void)
mips_cpu_irq_init();
init_i8259_irqs();
- set_c0_status(0x8400);
+ set_c0_status(0x400);
}
OpenPOWER on IntegriCloud