mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus 

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (36 commits)
  MIPS: Calculate proper ebase value for 64-bit kernels
  MIPS: Alchemy: DB1200: Remove custom wait implementation
  MIPS: Big Sur: Make defconfig more useful.
  MIPS: Fix __vmalloc() etc. on MIPS for non-GPL modules
  MIPS: Sibyte: Fix M3 TLB exception handler workaround.
  MIPS: BCM63xx: Fix build failure in board_bcm963xx.c
  MIPS: uasm: Add OR instruction.
  MIPS: Sibyte: Apply M3 workaround only on affected chip types and versions.
  MIPS: BCM63xx: Initialize gpio_out_low & out_high to current value at boot.
  MIPS: BCM63xx: Register SSB SPROM fallback in board's first stage callback
  MIPS: BCM63xx: Fix typo in cpu-feature-overrides file.
  MIPS: BCM63xx: Add support for second uart.
  MIPS: BCM63xx: Fix double gpio registration.
  MIPS: BCM63xx: Add DWVS0 board
  MIPS: BCM63xx: Add the RTA1025W-16 BCM6348-based board to suppported boards.
  MIPS: BCM63xx: Fix BCM6338 and BCM6345 gpio count
  MIPS: libgcc.h: Checkpatch cleanup
  MIPS: Loongson-2F: Flush the branch target history in BTB and RAS
  MIPS: Move signal trampolines off of the stack.
  MIPS: Preliminary VDSO
  ...
This commit is contained in:
Linus Torvalds 2010-04-12 18:36:11 -07:00
parent fedfb947b2 f6be75d03c
commit 4505a49389
44 changed files with 1062 additions and 630 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
arch/mips/alchemy/devboards/db1200/setup.c
View File

@ -60,43 +60,6 @@ void __init board_setup(void)
wmb();
}
/* use the hexleds to count the number of times the cpu has entered
* wait, the dots to indicate whether the CPU is currently idle or
* active (dots off = sleeping, dots on = working) for cases where
* the number doesn't change for a long(er) period of time.
*/
static void db1200_wait(void)
{
__asm__(" .set push \n"
" .set mips3 \n"
" .set noreorder \n"
" cache 0x14, 0(%0) \n"
" cache 0x14, 32(%0) \n"
" cache 0x14, 64(%0) \n"
/* dots off: we're about to call wait */
" lui $26, 0xb980 \n"
" ori $27, $0, 3 \n"
" sb $27, 0x18($26) \n"
" sync \n"
" nop \n"
" wait \n"
" nop \n"
" nop \n"
" nop \n"
" nop \n"
" nop \n"
/* dots on: there's work to do, increment cntr */
" lui $26, 0xb980 \n"
" sb $0, 0x18($26) \n"
" lui $26, 0xb9c0 \n"
" lb $27, 0($26) \n"
" addiu $27, $27, 1 \n"
" sb $27, 0($26) \n"
" sync \n"
" .set pop \n"
: : "r" (db1200_wait));
}
static int __init db1200_arch_init(void)
{
/* GPIO7 is low-level triggered CPLD cascade */
@ -110,9 +73,6 @@ static int __init db1200_arch_init(void)
irq_to_desc(DB1200_SD0_INSERT_INT)->status |= IRQ_NOAUTOEN;
irq_to_desc(DB1200_SD0_EJECT_INT)->status |= IRQ_NOAUTOEN;
if (cpu_wait)
cpu_wait = db1200_wait;
return 0;
}
arch_initcall(db1200_arch_init);

3
arch/mips/ar7/platform.c
View File

@ -168,7 +168,7 @@ static struct plat_vlynq_data vlynq_high_data = {
.on = vlynq_on,
.off = vlynq_off,
},
.reset_bit = 26,
.reset_bit = 16,
.gpio_bit = 19,
};
@ -600,6 +600,7 @@ static int __init ar7_register_devices(void)
}
if (ar7_has_high_cpmac()) {
res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
if (!res) {
cpmac_get_mac(1, cpmac_high_data.dev_addr);

231
arch/mips/bcm63xx/boards/board_bcm963xx.c
View File

@ -18,6 +18,7 @@
#include <asm/addrspace.h>
#include <bcm63xx_board.h>
#include <bcm63xx_cpu.h>
#include <bcm63xx_dev_uart.h>
#include <bcm63xx_regs.h>
#include <bcm63xx_io.h>
#include <bcm63xx_dev_pci.h>
@ -40,6 +41,7 @@ static struct board_info __initdata board_96338gw = {
.name = "96338GW",
.expected_cpu_id = 0x6338,
.has_uart0 = 1,
.has_enet0 = 1,
.enet0 = {
.force_speed_100 = 1,
@ -82,6 +84,7 @@ static struct board_info __initdata board_96338w = {
.name = "96338W",
.expected_cpu_id = 0x6338,
.has_uart0 = 1,
.has_enet0 = 1,
.enet0 = {
.force_speed_100 = 1,
@ -126,6 +129,8 @@ static struct board_info __initdata board_96338w = {
static struct board_info __initdata board_96345gw2 = {
.name = "96345GW2",
.expected_cpu_id = 0x6345,
.has_uart0 = 1,
};
#endif
@ -137,6 +142,7 @@ static struct board_info __initdata board_96348r = {
.name = "96348R",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_pci = 1,
@ -180,6 +186,7 @@ static struct board_info __initdata board_96348gw_10 = {
.name = "96348GW-10",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
@ -239,6 +246,7 @@ static struct board_info __initdata board_96348gw_11 = {
.name = "96348GW-11",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
@ -292,6 +300,7 @@ static struct board_info __initdata board_96348gw = {
.name = "96348GW",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
@ -349,9 +358,10 @@ static struct board_info __initdata board_FAST2404 = {
.name = "F@ST2404",
.expected_cpu_id = 0x6348,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
@ -368,10 +378,30 @@ static struct board_info __initdata board_FAST2404 = {
.has_ehci0 = 1,
};
static struct board_info __initdata board_rta1025w_16 = {
.name = "RTA1025W_16",
.expected_cpu_id = 0x6348,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
};
static struct board_info __initdata board_DV201AMR = {
.name = "DV201AMR",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_pci = 1,
.has_ohci0 = 1,
@ -391,6 +421,7 @@ static struct board_info __initdata board_96348gw_a = {
.name = "96348GW-A",
.expected_cpu_id = 0x6348,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
@ -416,6 +447,7 @@ static struct board_info __initdata board_96358vw = {
.name = "96358VW",
.expected_cpu_id = 0x6358,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
@ -467,6 +499,7 @@ static struct board_info __initdata board_96358vw2 = {
.name = "96358VW2",
.expected_cpu_id = 0x6358,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
@ -514,6 +547,7 @@ static struct board_info __initdata board_AGPFS0 = {
.name = "AGPF-S0",
.expected_cpu_id = 0x6358,
.has_uart0 = 1,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
@ -531,6 +565,27 @@ static struct board_info __initdata board_AGPFS0 = {
.has_ohci0 = 1,
.has_ehci0 = 1,
};
static struct board_info __initdata board_DWVS0 = {
.name = "DWV-S0",
.expected_cpu_id = 0x6358,
.has_enet0 = 1,
.has_enet1 = 1,
.has_pci = 1,
.enet0 = {
.has_phy = 1,
.use_internal_phy = 1,
},
.enet1 = {
.force_speed_100 = 1,
.force_duplex_full = 1,
},
.has_ohci0 = 1,
};
#endif
/*
@ -552,15 +607,87 @@ static const struct board_info __initdata *bcm963xx_boards[] = {
&board_FAST2404,
&board_DV201AMR,
&board_96348gw_a,
&board_rta1025w_16,
#endif
#ifdef CONFIG_BCM63XX_CPU_6358
&board_96358vw,
&board_96358vw2,
&board_AGPFS0,
&board_DWVS0,
#endif
};
/*
* Register a sane SPROMv2 to make the on-board
* bcm4318 WLAN work
*/
#ifdef CONFIG_SSB_PCIHOST
static struct ssb_sprom bcm63xx_sprom = {
.revision = 0x02,
.board_rev = 0x17,
.country_code = 0x0,
.ant_available_bg = 0x3,
.pa0b0 = 0x15ae,
.pa0b1 = 0xfa85,
.pa0b2 = 0xfe8d,
.pa1b0 = 0xffff,
.pa1b1 = 0xffff,
.pa1b2 = 0xffff,
.gpio0 = 0xff,
.gpio1 = 0xff,
.gpio2 = 0xff,
.gpio3 = 0xff,
.maxpwr_bg = 0x004c,
.itssi_bg = 0x00,
.boardflags_lo = 0x2848,
.boardflags_hi = 0x0000,
};
#endif
/*
* return board name for /proc/cpuinfo
*/
const char *board_get_name(void)
{
return board.name;
}
/*
* register & return a new board mac address
*/
static int board_get_mac_address(u8 *mac)
{
u8 *p;
int count;
if (mac_addr_used >= nvram.mac_addr_count) {
printk(KERN_ERR PFX "not enough mac address\n");
return -ENODEV;
}
memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
p = mac + ETH_ALEN - 1;
count = mac_addr_used;
while (count--) {
do {
(*p)++;
if (*p != 0)
break;
p--;
} while (p != mac);
}
if (p == mac) {
printk(KERN_ERR PFX "unable to fetch mac address\n");
return -ENODEV;
}
mac_addr_used++;
return 0;
}
/*
* early init callback, read nvram data from flash and checksum it
*/
@ -659,6 +786,17 @@ void __init board_prom_init(void)
}
bcm_gpio_writel(val, GPIO_MODE_REG);
/* Generate MAC address for WLAN and
* register our SPROM */
#ifdef CONFIG_SSB_PCIHOST
if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
printk(KERN_ERR "failed to register fallback SPROM\n");
}
#endif
}
/*
@ -676,49 +814,6 @@ void __init board_setup(void)
panic("unexpected CPU for bcm963xx board");
}
/*
* return board name for /proc/cpuinfo
*/
const char *board_get_name(void)
{
return board.name;
}
/*
* register & return a new board mac address
*/
static int board_get_mac_address(u8 *mac)
{
u8 *p;
int count;
if (mac_addr_used >= nvram.mac_addr_count) {
printk(KERN_ERR PFX "not enough mac address\n");
return -ENODEV;
}
memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
p = mac + ETH_ALEN - 1;
count = mac_addr_used;
while (count--) {
do {
(*p)++;
if (*p != 0)
break;
p--;
} while (p != mac);
}
if (p == mac) {
printk(KERN_ERR PFX "unable to fetch mac address\n");
return -ENODEV;
}
mac_addr_used++;
return 0;
}
static struct mtd_partition mtd_partitions[] = {
{
.name = "cfe",
@ -750,33 +845,6 @@ static struct platform_device mtd_dev = {
},
};
/*
* Register a sane SPROMv2 to make the on-board
* bcm4318 WLAN work
*/
#ifdef CONFIG_SSB_PCIHOST
static struct ssb_sprom bcm63xx_sprom = {
.revision = 0x02,
.board_rev = 0x17,
.country_code = 0x0,
.ant_available_bg = 0x3,
.pa0b0 = 0x15ae,
.pa0b1 = 0xfa85,
.pa0b2 = 0xfe8d,
.pa1b0 = 0xffff,
.pa1b1 = 0xffff,
.pa1b2 = 0xffff,
.gpio0 = 0xff,
.gpio1 = 0xff,
.gpio2 = 0xff,
.gpio3 = 0xff,
.maxpwr_bg = 0x004c,
.itssi_bg = 0x00,
.boardflags_lo = 0x2848,
.boardflags_hi = 0x0000,
};
#endif
static struct gpio_led_platform_data bcm63xx_led_data;
static struct platform_device bcm63xx_gpio_leds = {
@ -792,6 +860,12 @@ int __init board_register_devices(void)
{
u32 val;
if (board.has_uart0)
bcm63xx_uart_register(0);
if (board.has_uart1)
bcm63xx_uart_register(1);
if (board.has_pccard)
bcm63xx_pcmcia_register();
@ -806,17 +880,6 @@ int __init board_register_devices(void)
if (board.has_dsp)
bcm63xx_dsp_register(&board.dsp);
/* Generate MAC address for WLAN and
* register our SPROM */
#ifdef CONFIG_SSB_PCIHOST
if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
printk(KERN_ERR "failed to register fallback SPROM\n");
}
#endif
/* read base address of boot chip select (0) */
if (BCMCPU_IS_6345())
val = 0x1fc00000;

5
arch/mips/bcm63xx/cpu.c
View File

@ -36,6 +36,7 @@ static const unsigned long bcm96338_regs_base[] = {
[RSET_TIMER] = BCM_6338_TIMER_BASE,
[RSET_WDT] = BCM_6338_WDT_BASE,
[RSET_UART0] = BCM_6338_UART0_BASE,
[RSET_UART1] = BCM_6338_UART1_BASE,
[RSET_GPIO] = BCM_6338_GPIO_BASE,
[RSET_SPI] = BCM_6338_SPI_BASE,
[RSET_OHCI0] = BCM_6338_OHCI0_BASE,
@ -72,6 +73,7 @@ static const unsigned long bcm96345_regs_base[] = {
[RSET_TIMER] = BCM_6345_TIMER_BASE,
[RSET_WDT] = BCM_6345_WDT_BASE,
[RSET_UART0] = BCM_6345_UART0_BASE,
[RSET_UART1] = BCM_6345_UART1_BASE,
[RSET_GPIO] = BCM_6345_GPIO_BASE,
[RSET_SPI] = BCM_6345_SPI_BASE,
[RSET_UDC0] = BCM_6345_UDC0_BASE,
@ -109,6 +111,7 @@ static const unsigned long bcm96348_regs_base[] = {
[RSET_TIMER] = BCM_6348_TIMER_BASE,
[RSET_WDT] = BCM_6348_WDT_BASE,
[RSET_UART0] = BCM_6348_UART0_BASE,
[RSET_UART1] = BCM_6348_UART1_BASE,
[RSET_GPIO] = BCM_6348_GPIO_BASE,
[RSET_SPI] = BCM_6348_SPI_BASE,
[RSET_OHCI0] = BCM_6348_OHCI0_BASE,
@ -150,6 +153,7 @@ static const unsigned long bcm96358_regs_base[] = {
[RSET_TIMER] = BCM_6358_TIMER_BASE,
[RSET_WDT] = BCM_6358_WDT_BASE,
[RSET_UART0] = BCM_6358_UART0_BASE,
[RSET_UART1] = BCM_6358_UART1_BASE,
[RSET_GPIO] = BCM_6358_GPIO_BASE,
[RSET_SPI] = BCM_6358_SPI_BASE,
[RSET_OHCI0] = BCM_6358_OHCI0_BASE,
@ -170,6 +174,7 @@ static const unsigned long bcm96358_regs_base[] = {
static const int bcm96358_irqs[] = {
[IRQ_TIMER] = BCM_6358_TIMER_IRQ,
[IRQ_UART0] = BCM_6358_UART0_IRQ,
[IRQ_UART1] = BCM_6358_UART1_IRQ,
[IRQ_DSL] = BCM_6358_DSL_IRQ,
[IRQ_ENET0] = BCM_6358_ENET0_IRQ,
[IRQ_ENET1] = BCM_6358_ENET1_IRQ,

66
arch/mips/bcm63xx/dev-uart.c
View File

@ -11,31 +11,65 @@
#include <linux/platform_device.h>
#include <bcm63xx_cpu.h>
static struct resource uart_resources[] = {
static struct resource uart0_resources[] = {
{
.start = -1, /* filled at runtime */
.end = -1, /* filled at runtime */
/* start & end filled at runtime */
.flags = IORESOURCE_MEM,
},
{
.start = -1, /* filled at runtime */
/* start filled at runtime */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device bcm63xx_uart_device = {
.name = "bcm63xx_uart",
.id = 0,
.num_resources = ARRAY_SIZE(uart_resources),
.resource = uart_resources,
static struct resource uart1_resources[] = {
{
/* start & end filled at runtime */
.flags = IORESOURCE_MEM,
},
{
/* start filled at runtime */
.flags = IORESOURCE_IRQ,
},
};
int __init bcm63xx_uart_register(void)
static struct platform_device bcm63xx_uart_devices[] = {
{
.name = "bcm63xx_uart",
.id = 0,
.num_resources = ARRAY_SIZE(uart0_resources),
.resource = uart0_resources,
},
{
.name = "bcm63xx_uart",
.id = 1,
.num_resources = ARRAY_SIZE(uart1_resources),
.resource = uart1_resources,
}
};
int __init bcm63xx_uart_register(unsigned int id)
{
uart_resources[0].start = bcm63xx_regset_address(RSET_UART0);
uart_resources[0].end = uart_resources[0].start;
uart_resources[0].end += RSET_UART_SIZE - 1;
uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
return platform_device_register(&bcm63xx_uart_device);
if (id >= ARRAY_SIZE(bcm63xx_uart_devices))
return -ENODEV;
if (id == 1 && !BCMCPU_IS_6358())
return -ENODEV;
if (id == 0) {
uart0_resources[0].start = bcm63xx_regset_address(RSET_UART0);
uart0_resources[0].end = uart0_resources[0].start +
RSET_UART_SIZE - 1;
uart0_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
}
if (id == 1) {
uart1_resources[0].start = bcm63xx_regset_address(RSET_UART1);
uart1_resources[0].end = uart1_resources[0].start +
RSET_UART_SIZE - 1;
uart1_resources[1].start = bcm63xx_get_irq_number(IRQ_UART1);
}
return platform_device_register(&bcm63xx_uart_devices[id]);
}
arch_initcall(bcm63xx_uart_register);

4
arch/mips/bcm63xx/gpio.c
View File

@ -125,10 +125,10 @@ static struct gpio_chip bcm63xx_gpio_chip = {
int __init bcm63xx_gpio_init(void)
{
gpio_out_low = bcm_gpio_readl(GPIO_DATA_LO_REG);
gpio_out_high = bcm_gpio_readl(GPIO_DATA_HI_REG);
bcm63xx_gpio_chip.ngpio = bcm63xx_gpio_count();
pr_info("registering %d GPIOs\n", bcm63xx_gpio_chip.ngpio);
return gpiochip_add(&bcm63xx_gpio_chip);
}
arch_initcall(bcm63xx_gpio_init);

82
arch/mips/cavium-octeon/setup.c
View File

@ -45,9 +45,6 @@ extern struct plat_smp_ops octeon_smp_ops;
extern void pci_console_init(const char *arg);
#endif
#ifdef CONFIG_CAVIUM_RESERVE32
extern uint64_t octeon_reserve32_memory;
#endif
static unsigned long long MAX_MEMORY = 512ull << 20;
struct octeon_boot_descriptor *octeon_boot_desc_ptr;
@ -186,54 +183,6 @@ void octeon_check_cpu_bist(void)
write_octeon_c0_dcacheerr(0);
}
#ifdef CONFIG_CAVIUM_RESERVE32_USE_WIRED_TLB
/**
* Called on every core to setup the wired tlb entry needed
* if CONFIG_CAVIUM_RESERVE32_USE_WIRED_TLB is set.
*
*/
static void octeon_hal_setup_per_cpu_reserved32(void *unused)
{
/*
* The config has selected to wire the reserve32 memory for all
* userspace applications. We need to put a wired TLB entry in for each
* 512MB of reserve32 memory. We only handle double 256MB pages here,
* so reserve32 must be multiple of 512MB.
*/
uint32_t size = CONFIG_CAVIUM_RESERVE32;
uint32_t entrylo0 =
0x7 | ((octeon_reserve32_memory & ((1ul << 40) - 1)) >> 6);
uint32_t entrylo1 = entrylo0 + (256 << 14);
uint32_t entryhi = (0x80000000UL - (CONFIG_CAVIUM_RESERVE32 << 20));
while (size >= 512) {
#if 0
pr_info("CPU%d: Adding double wired TLB entry for 0x%lx\n",
smp_processor_id(), entryhi);
#endif
add_wired_entry(entrylo0, entrylo1, entryhi, PM_256M);
entrylo0 += 512 << 14;
entrylo1 += 512 << 14;
entryhi += 512 << 20;
size -= 512;
}
}
#endif /* CONFIG_CAVIUM_RESERVE32_USE_WIRED_TLB */
/**
* Called to release the named block which was used to made sure
* that nobody used the memory for something else during
* init. Now we'll free it so userspace apps can use this
* memory region with bootmem_alloc.
*
* This function is called only once from prom_free_prom_memory().
*/
void octeon_hal_setup_reserved32(void)
{
#ifdef CONFIG_CAVIUM_RESERVE32_USE_WIRED_TLB
on_each_cpu(octeon_hal_setup_per_cpu_reserved32, NULL, 0, 1);
#endif
}
/**
* Reboot Octeon
*
@ -294,18 +243,6 @@ static void octeon_halt(void)
octeon_kill_core(NULL);
}
#if 0
/**
* Platform time init specifics.
* Returns
*/
void __init plat_time_init(void)
{
/* Nothing special here, but we are required to have one */
}
#endif
/**
* Handle all the error condition interrupts that might occur.
*
@ -502,25 +439,13 @@ void __init prom_init(void)
* memory when it is getting memory from the
* bootloader. Later, after the memory allocations are
* complete, the reserve32 will be freed.
*/
#ifdef CONFIG_CAVIUM_RESERVE32_USE_WIRED_TLB
if (CONFIG_CAVIUM_RESERVE32 & 0x1ff)
pr_err("CAVIUM_RESERVE32 isn't a multiple of 512MB. "
"This is required if CAVIUM_RESERVE32_USE_WIRED_TLB "
"is set\n");
else
addr = cvmx_bootmem_phy_named_block_alloc(CONFIG_CAVIUM_RESERVE32 << 20,
0, 0, 512 << 20,
"CAVIUM_RESERVE32", 0);
#else
/*
*
* Allocate memory for RESERVED32 aligned on 2MB boundary. This
* is in case we later use hugetlb entries with it.
*/
addr = cvmx_bootmem_phy_named_block_alloc(CONFIG_CAVIUM_RESERVE32 << 20,
0, 0, 2 << 20,
"CAVIUM_RESERVE32", 0);
#endif
if (addr < 0)
pr_err("Failed to allocate CAVIUM_RESERVE32 memory area\n");
else
@ -817,9 +742,4 @@ void prom_free_prom_memory(void)
panic("Unable to request_irq(OCTEON_IRQ_RML)\n");
}
#endif
/* This call is here so that it is performed after any TLB
initializations. It needs to be after these in case the
CONFIG_CAVIUM_RESERVE32_USE_WIRED_TLB option is set */
octeon_hal_setup_reserved32();
}

8
arch/mips/cavium-octeon/smp.c
View File

@ -279,14 +279,6 @@ static void octeon_cpu_die(unsigned int cpu)
uint32_t avail_coremask;
struct cvmx_bootmem_named_block_desc *block_desc;
#ifdef CONFIG_CAVIUM_OCTEON_WATCHDOG
/* Disable the watchdog */
cvmx_ciu_wdogx_t ciu_wdog;
ciu_wdog.u64 = cvmx_read_csr(CVMX_CIU_WDOGX(cpu));
ciu_wdog.s.mode = 0;
cvmx_write_csr(CVMX_CIU_WDOGX(cpu), ciu_wdog.u64);
#endif
while (per_cpu(cpu_state, cpu) != CPU_DEAD)
cpu_relax();

712
arch/mips/configs/bigsur_defconfig
View File

File diff suppressed because it is too large Load Diff

6
arch/mips/include/asm/abi.h
View File

@ -13,12 +13,14 @@
#include <asm/siginfo.h>
struct mips_abi {
int (* const setup_frame)(struct k_sigaction * ka,
int (* const setup_frame)(void *sig_return, struct k_sigaction *ka,
struct pt_regs *regs, int signr,
sigset_t *set);
int (* const setup_rt_frame)(struct k_sigaction * ka,
const unsigned long signal_return_offset;
int (* const setup_rt_frame)(void *sig_return, struct k_sigaction *ka,
struct pt_regs *regs, int signr,
sigset_t *set, siginfo_t *info);
const unsigned long rt_signal_return_offset;
const unsigned long restart;
};

5
arch/mips/include/asm/elf.h
View File

@ -310,6 +310,7 @@ do { \
#endif /* CONFIG_64BIT */
struct pt_regs;
struct task_struct;
extern void elf_dump_regs(elf_greg_t *, struct pt_regs *regs);
@ -367,4 +368,8 @@ extern const char *__elf_platform;
#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
#endif
#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
struct linux_binprm;
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
int uses_interp);
#endif /* _ASM_ELF_H */

6
arch/mips/include/asm/fpu_emulator.h
View File

@ -41,7 +41,11 @@ struct mips_fpu_emulator_stats {
DECLARE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats);
#define MIPS_FPU_EMU_INC_STATS(M) \
cpu_local_wrap(__local_inc(&__get_cpu_var(fpuemustats).M))
do { \
preempt_disable(); \
__local_inc(&__get_cpu_var(fpuemustats).M); \
preempt_enable(); \
} while (0)
#else
#define MIPS_FPU_EMU_INC_STATS(M) do { } while (0)

15
arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
View File

@ -85,6 +85,7 @@ enum bcm63xx_regs_set {
RSET_TIMER,
RSET_WDT,
RSET_UART0,
RSET_UART1,
RSET_GPIO,
RSET_SPI,
RSET_UDC0,
@ -123,6 +124,7 @@ enum bcm63xx_regs_set {
#define BCM_6338_TIMER_BASE (0xfffe0200)
#define BCM_6338_WDT_BASE (0xfffe021c)
#define BCM_6338_UART0_BASE (0xfffe0300)
#define BCM_6338_UART1_BASE (0xdeadbeef)
#define BCM_6338_GPIO_BASE (0xfffe0400)
#define BCM_6338_SPI_BASE (0xfffe0c00)
#define BCM_6338_UDC0_BASE (0xdeadbeef)
@ -153,6 +155,7 @@ enum bcm63xx_regs_set {
#define BCM_6345_TIMER_BASE (0xfffe0200)
#define BCM_6345_WDT_BASE (0xfffe021c)
#define BCM_6345_UART0_BASE (0xfffe0300)
#define BCM_6345_UART1_BASE (0xdeadbeef)
#define BCM_6345_GPIO_BASE (0xfffe0400)
#define BCM_6345_SPI_BASE (0xdeadbeef)
#define BCM_6345_UDC0_BASE (0xdeadbeef)
@ -182,6 +185,7 @@ enum bcm63xx_regs_set {
#define BCM_6348_TIMER_BASE (0xfffe0200)
#define BCM_6348_WDT_BASE (0xfffe021c)
#define BCM_6348_UART0_BASE (0xfffe0300)
#define BCM_6348_UART1_BASE (0xdeadbeef)
#define BCM_6348_GPIO_BASE (0xfffe0400)
#define BCM_6348_SPI_BASE (0xfffe0c00)
#define BCM_6348_UDC0_BASE (0xfffe1000)
@ -208,6 +212,7 @@ enum bcm63xx_regs_set {
#define BCM_6358_TIMER_BASE (0xfffe0040)
#define BCM_6358_WDT_BASE (0xfffe005c)
#define BCM_6358_UART0_BASE (0xfffe0100)
#define BCM_6358_UART1_BASE (0xfffe0120)
#define BCM_6358_GPIO_BASE (0xfffe0080)
#define BCM_6358_SPI_BASE (0xdeadbeef)
#define BCM_6358_UDC0_BASE (0xfffe0800)
@ -246,6 +251,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
return BCM_6338_WDT_BASE;
case RSET_UART0:
return BCM_6338_UART0_BASE;
case RSET_UART1:
return BCM_6338_UART1_BASE;
case RSET_GPIO:
return BCM_6338_GPIO_BASE;
case RSET_SPI:
@ -292,6 +299,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
return BCM_6345_WDT_BASE;
case RSET_UART0:
return BCM_6345_UART0_BASE;
case RSET_UART1:
return BCM_6345_UART1_BASE;
case RSET_GPIO:
return BCM_6345_GPIO_BASE;
case RSET_SPI:
@ -338,6 +347,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
return BCM_6348_WDT_BASE;
case RSET_UART0:
return BCM_6348_UART0_BASE;
case RSET_UART1:
return BCM_6348_UART1_BASE;
case RSET_GPIO:
return BCM_6348_GPIO_BASE;
case RSET_SPI:
@ -384,6 +395,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
return BCM_6358_WDT_BASE;
case RSET_UART0:
return BCM_6358_UART0_BASE;
case RSET_UART1:
return BCM_6358_UART1_BASE;
case RSET_GPIO:
return BCM_6358_GPIO_BASE;
case RSET_SPI:
@ -429,6 +442,7 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
enum bcm63xx_irq {
IRQ_TIMER = 0,
IRQ_UART0,
IRQ_UART1,
IRQ_DSL,
IRQ_ENET0,
IRQ_ENET1,
@ -510,6 +524,7 @@ enum bcm63xx_irq {
*/
#define BCM_6358_TIMER_IRQ (IRQ_INTERNAL_BASE + 0)
#define BCM_6358_UART0_IRQ (IRQ_INTERNAL_BASE + 2)
#define BCM_6358_UART1_IRQ (IRQ_INTERNAL_BASE + 3)
#define BCM_6358_OHCI0_IRQ (IRQ_INTERNAL_BASE + 5)
#define BCM_6358_ENET1_IRQ (IRQ_INTERNAL_BASE + 6)
#define BCM_6358_ENET0_IRQ (IRQ_INTERNAL_BASE + 8)

6
arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h Normal file
View File

@ -0,0 +1,6 @@
#ifndef BCM63XX_DEV_UART_H_
#define BCM63XX_DEV_UART_H_
int bcm63xx_uart_register(unsigned int id);
#endif /* BCM63XX_DEV_UART_H_ */

4
arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
View File

@ -10,6 +10,10 @@ static inline unsigned long bcm63xx_gpio_count(void)
switch (bcm63xx_get_cpu_id()) {
case BCM6358_CPU_ID:
return 40;
case BCM6338_CPU_ID:
return 8;
case BCM6345_CPU_ID:
return 16;
case BCM6348_CPU_ID:
default:
return 37;

2
arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
View File

@ -45,6 +45,8 @@ struct board_info {
unsigned int has_ohci0:1;
unsigned int has_ehci0:1;
unsigned int has_dsp:1;
unsigned int has_uart0:1;
unsigned int has_uart1:1;
/* ethernet config */
struct bcm63xx_enet_platform_data enet0;

2
arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h
View File

@ -24,7 +24,7 @@
#define cpu_has_smartmips 0
#define cpu_has_vtag_icache 0
#if !defined(BCMCPU_RUNTIME_DETECT) && (defined(CONFIG_BCMCPU_IS_6348) || defined(CONFIG_CPU_IS_6338) || defined(CONFIG_CPU_IS_BCM6345))
#if !defined(BCMCPU_RUNTIME_DETECT) && (defined(CONFIG_BCM63XX_CPU_6348) || defined(CONFIG_BCM63XX_CPU_6345) || defined(CONFIG_BCM63XX_CPU_6338))
#define cpu_has_dc_aliases 0
#endif

6
arch/mips/include/asm/mach-sibyte/war.h
View File

@ -16,7 +16,11 @@
#if defined(CONFIG_SB1_PASS_1_WORKAROUNDS) || \
defined(CONFIG_SB1_PASS_2_WORKAROUNDS)
#define BCM1250_M3_WAR 1
#ifndef __ASSEMBLY__
extern int sb1250_m3_workaround_needed(void);
#endif
#define BCM1250_M3_WAR sb1250_m3_workaround_needed()
#define SIBYTE_1956_WAR 1
#else

5
arch/mips/include/asm/mmu.h
View File

@ -1,6 +1,9 @@
#ifndef __ASM_MMU_H
#define __ASM_MMU_H
typedef unsigned long mm_context_t[NR_CPUS];
typedef struct {
unsigned long asid[NR_CPUS];
void *vdso;
} mm_context_t;
#endif /* __ASM_MMU_H */

2
arch/mips/include/asm/mmu_context.h
View File

@ -104,7 +104,7 @@ extern unsigned long smtc_asid_mask;
#endif
#define cpu_context(cpu, mm) ((mm)->context[cpu])
#define cpu_context(cpu, mm) ((mm)->context.asid[cpu])
#define cpu_asid(cpu, mm) (cpu_context((cpu), (mm)) & ASID_MASK)
#define asid_cache(cpu) (cpu_data[cpu].asid_cache)

6
arch/mips/include/asm/page.h
View File

@ -188,8 +188,10 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE)
#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET)
#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE + \
PHYS_OFFSET)
#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET - \
PHYS_OFFSET)
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>

11
arch/mips/include/asm/processor.h
View File

@ -33,13 +33,19 @@ extern void (*cpu_wait)(void);
extern unsigned int vced_count, vcei_count;
/*
* A special page (the vdso) is mapped into all processes at the very
* top of the virtual memory space.
*/
#define SPECIAL_PAGES_SIZE PAGE_SIZE
#ifdef CONFIG_32BIT
/*
* User space process size: 2GB. This is hardcoded into a few places,
* so don't change it unless you know what you are doing.
*/
#define TASK_SIZE 0x7fff8000UL
#define STACK_TOP TASK_SIZE
#define STACK_TOP ((TASK_SIZE & PAGE_MASK) - SPECIAL_PAGES_SIZE)
/*
* This decides where the kernel will search for a free chunk of vm
@ -59,7 +65,8 @@ extern unsigned int vced_count, vcei_count;
#define TASK_SIZE32 0x7fff8000UL
#define TASK_SIZE 0x10000000000UL
#define STACK_TOP \
(test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
(((test_thread_flag(TIF_32BIT_ADDR) ? \
TASK_SIZE32 : TASK_SIZE) & PAGE_MASK) - SPECIAL_PAGES_SIZE)
/*
* This decides where the kernel will search for a free chunk of vm

19
arch/mips/include/asm/stackframe.h
View File

@ -121,6 +121,25 @@
.endm
#else
.macro get_saved_sp /* Uniprocessor variation */
#ifdef CONFIG_CPU_LOONGSON2F
/*
* Clear BTB (branch target buffer), forbid RAS (return address
* stack) to workaround the Out-of-order Issue in Loongson2F
* via its diagnostic register.
*/
move k0, ra
jal 1f
nop
1: jal 1f
nop
1: jal 1f
nop
1: jal 1f
nop
1: move ra, k0
li k0, 3
mtc0 k0, $22
#endif /* CONFIG_CPU_LOONGSON2F */
#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
lui k1, %hi(kernelsp)
#else

2
arch/mips/include/asm/uasm.h
View File

@ -84,6 +84,7 @@ Ip_u2s3u1(_lw);
Ip_u1u2u3(_mfc0);
Ip_u1u2u3(_mtc0);
Ip_u2u1u3(_ori);
Ip_u3u1u2(_or);
Ip_u2s3u1(_pref);
Ip_0(_rfe);
Ip_u2s3u1(_sc);
@ -102,6 +103,7 @@ Ip_0(_tlbwr);
Ip_u3u1u2(_xor);
Ip_u2u1u3(_xori);
Ip_u2u1msbu3(_dins);
Ip_u1(_syscall);
/* Handle labels. */
struct uasm_label {

29
arch/mips/include/asm/vdso.h Normal file
View File

@ -0,0 +1,29 @@
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2009 Cavium Networks
*/
#ifndef __ASM_VDSO_H
#define __ASM_VDSO_H
#include <linux/types.h>
#ifdef CONFIG_32BIT
struct mips_vdso {
u32 signal_trampoline[2];
u32 rt_signal_trampoline[2];
};
#else /* !CONFIG_32BIT */
struct mips_vdso {
u32 o32_signal_trampoline[2];
u32 o32_rt_signal_trampoline[2];
u32 rt_signal_trampoline[2];
u32 n32_rt_signal_trampoline[2];
};
#endif /* CONFIG_32BIT */
#endif /* __ASM_VDSO_H */

2
arch/mips/kernel/Makefile
View File

@ -6,7 +6,7 @@ extra-y := head.o init_task.o vmlinux.lds
obj-y += cpu-probe.o branch.o entry.o genex.o irq.o process.o \
ptrace.o reset.o setup.o signal.o syscall.o \
time.o topology.o traps.o unaligned.o watch.o
time.o topology.o traps.o unaligned.o watch.o vdso.o
ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_ftrace.o = -pg

4
arch/mips/kernel/cpufreq/loongson2_clock.c
View File

@ -164,3 +164,7 @@ void loongson2_cpu_wait(void)
spin_unlock_irqrestore(&loongson2_wait_lock, flags);
}
EXPORT_SYMBOL_GPL(loongson2_cpu_wait);
MODULE_AUTHOR("Yanhua <yanh@lemote.com>");
MODULE_DESCRIPTION("cpufreq driver for Loongson 2F");
MODULE_LICENSE("GPL");

7
arch/mips/kernel/process.c
View File

@ -63,8 +63,13 @@ void __noreturn cpu_idle(void)
smtc_idle_loop_hook();
#endif
if (cpu_wait)
if (cpu_wait) {
/* Don't trace irqs off for idle */
stop_critical_timings();
(*cpu_wait)();
start_critical_timings();
}
}
#ifdef CONFIG_HOTPLUG_CPU
if (!cpu_online(cpu) && !cpu_isset(cpu, cpu_callin_map) &&

5
arch/mips/kernel/signal-common.h
View File

@ -26,11 +26,6 @@
*/
extern void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
size_t frame_size);
/*
* install trampoline code to get back from the sig handler
*/
extern int install_sigtramp(unsigned int __user *tramp, unsigned int syscall);
/* Check and clear pending FPU exceptions in saved CSR */
extern int fpcsr_pending(unsigned int __user *fpcsr);

86
arch/mips/kernel/signal.c
View File

@ -32,6 +32,7 @@
#include <asm/ucontext.h>
#include <asm/cpu-features.h>
#include <asm/war.h>
#include <asm/vdso.h>
#include "signal-common.h"
@ -44,47 +45,20 @@ extern asmlinkage int _restore_fp_context(struct sigcontext __user *sc);
extern asmlinkage int fpu_emulator_save_context(struct sigcontext __user *sc);
extern asmlinkage int fpu_emulator_restore_context(struct sigcontext __user *sc);
/*
* Horribly complicated - with the bloody RM9000 workarounds enabled
* the signal trampolines is moving to the end of the structure so we can
* increase the alignment without breaking software compatibility.
*/
#if ICACHE_REFILLS_WORKAROUND_WAR == 0
struct sigframe {
u32 sf_ass[4]; /* argument save space for o32 */
u32 sf_code[2]; /* signal trampoline */
u32 sf_pad[2]; /* Was: signal trampoline */
struct sigcontext sf_sc;
sigset_t sf_mask;
};
struct rt_sigframe {
u32 rs_ass[4]; /* argument save space for o32 */
u32 rs_code[2]; /* signal trampoline */
u32 rs_pad[2]; /* Was: signal trampoline */
struct siginfo rs_info;
struct ucontext rs_uc;
};
#else
struct sigframe {
u32 sf_ass[4]; /* argument save space for o32 */
u32 sf_pad[2];
struct sigcontext sf_sc; /* hw context */
sigset_t sf_mask;
u32 sf_code[8] ____cacheline_aligned; /* signal trampoline */
};
struct rt_sigframe {
u32 rs_ass[4]; /* argument save space for o32 */
u32 rs_pad[2];
struct siginfo rs_info;
struct ucontext rs_uc;
u32 rs_code[8] ____cacheline_aligned; /* signal trampoline */
};
#endif
/*
* Helper routines
*/
@ -266,32 +240,6 @@ void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs,
return (void __user *)((sp - frame_size) & (ICACHE_REFILLS_WORKAROUND_WAR ? ~(cpu_icache_line_size()-1) : ALMASK));
}
int install_sigtramp(unsigned int __user *tramp, unsigned int syscall)
{
int err;
/*
* Set up the return code ...
*
* li v0, __NR__foo_sigreturn
* syscall
*/
err = __put_user(0x24020000 + syscall, tramp + 0);
err |= __put_user(0x0000000c , tramp + 1);
if (ICACHE_REFILLS_WORKAROUND_WAR) {
err |= __put_user(0, tramp + 2);
err |= __put_user(0, tramp + 3);
err |= __put_user(0, tramp + 4);
err |= __put_user(0, tramp + 5);
err |= __put_user(0, tramp + 6);
err |= __put_user(0, tramp + 7);
}
flush_cache_sigtramp((unsigned long) tramp);
return err;
}
/*
* Atomically swap in the new signal mask, and wait for a signal.
*/
@ -484,8 +432,8 @@ badframe:
}
#ifdef CONFIG_TRAD_SIGNALS
static int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set)
static int setup_frame(void *sig_return, struct k_sigaction *ka,
struct pt_regs *regs, int signr, sigset_t *set)
{
struct sigframe __user *frame;
int err = 0;
@ -494,8 +442,6 @@ static int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
goto give_sigsegv;
err |= install_sigtramp(frame->sf_code, __NR_sigreturn);
err |= setup_sigcontext(regs, &frame->sf_sc);
err |= __copy_to_user(&frame->sf_mask, set, sizeof(*set));
if (err)
@ -515,7 +461,7 @@ static int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
regs->regs[ 5] = 0;
regs->regs[ 6] = (unsigned long) &frame->sf_sc;
regs->regs[29] = (unsigned long) frame;
regs->regs[31] = (unsigned long) frame->sf_code;
regs->regs[31] = (unsigned long) sig_return;
regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
@ -529,8 +475,9 @@ give_sigsegv:
}
#endif
static int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info)
static int setup_rt_frame(void *sig_return, struct k_sigaction *ka,
struct pt_regs *regs, int signr, sigset_t *set,
siginfo_t *info)
{
struct rt_sigframe __user *frame;
int err = 0;
@ -539,8 +486,6 @@ static int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
goto give_sigsegv;
err |= install_sigtramp(frame->rs_code, __NR_rt_sigreturn);
/* Create siginfo. */
err |= copy_siginfo_to_user(&frame->rs_info, info);
@ -573,7 +518,7 @@ static int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
regs->regs[ 5] = (unsigned long) &frame->rs_info;
regs->regs[ 6] = (unsigned long) &frame->rs_uc;
regs->regs[29] = (unsigned long) frame;
regs->regs[31] = (unsigned long) frame->rs_code;
regs->regs[31] = (unsigned long) sig_return;
regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
@ -590,8 +535,11 @@ give_sigsegv:
struct mips_abi mips_abi = {
#ifdef CONFIG_TRAD_SIGNALS
.setup_frame = setup_frame,
.signal_return_offset = offsetof(struct mips_vdso, signal_trampoline),
#endif
.setup_rt_frame = setup_rt_frame,
.rt_signal_return_offset =
offsetof(struct mips_vdso, rt_signal_trampoline),
.restart = __NR_restart_syscall
};
@ -599,6 +547,8 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
struct k_sigaction *ka, sigset_t *oldset, struct pt_regs *regs)
{
int ret;
struct mips_abi *abi = current->thread.abi;
void *vdso = current->mm->context.vdso;
switch(regs->regs[0]) {
case ERESTART_RESTARTBLOCK:
@ -619,9 +569,11 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
regs->regs[0] = 0; /* Don't deal with this again. */
if (sig_uses_siginfo(ka))
ret = current->thread.abi->setup_rt_frame(ka, regs, sig, oldset, info);
ret = abi->setup_rt_frame(vdso + abi->rt_signal_return_offset,
ka, regs, sig, oldset, info);
else
ret = current->thread.abi->setup_frame(ka, regs, sig, oldset);
ret = abi->setup_frame(vdso + abi->signal_return_offset,
ka, regs, sig, oldset);
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);

55
arch/mips/kernel/signal32.c
View File

@ -32,6 +32,7 @@
#include <asm/system.h>
#include <asm/fpu.h>
#include <asm/war.h>
#include <asm/vdso.h>
#include "signal-common.h"
@ -47,8 +48,6 @@ extern asmlinkage int fpu_emulator_restore_context32(struct sigcontext32 __user
/*
* Including <asm/unistd.h> would give use the 64-bit syscall numbers ...
*/
#define __NR_O32_sigreturn 4119
#define __NR_O32_rt_sigreturn 4193
#define __NR_O32_restart_syscall 4253
/* 32-bit compatibility types */
@ -77,47 +76,20 @@ struct ucontext32 {
compat_sigset_t uc_sigmask; /* mask last for extensibility */
};
/*
* Horribly complicated - with the bloody RM9000 workarounds enabled
* the signal trampolines is moving to the end of the structure so we can
* increase the alignment without breaking software compatibility.
*/
#if ICACHE_REFILLS_WORKAROUND_WAR == 0
struct sigframe32 {
u32 sf_ass[4]; /* argument save space for o32 */
u32 sf_code[2]; /* signal trampoline */
u32 sf_pad[2]; /* Was: signal trampoline */
struct sigcontext32 sf_sc;
compat_sigset_t sf_mask;
};
struct rt_sigframe32 {
u32 rs_ass[4]; /* argument save space for o32 */
u32 rs_code[2]; /* signal trampoline */
u32 rs_pad[2]; /* Was: signal trampoline */
compat_siginfo_t rs_info;
struct ucontext32 rs_uc;
};
#else /* ICACHE_REFILLS_WORKAROUND_WAR */
struct sigframe32 {
u32 sf_ass[4]; /* argument save space for o32 */
u32 sf_pad[2];
struct sigcontext32 sf_sc; /* hw context */
compat_sigset_t sf_mask;
u32 sf_code[8] ____cacheline_aligned; /* signal trampoline */
};
struct rt_sigframe32 {
u32 rs_ass[4]; /* argument save space for o32 */
u32 rs_pad[2];
compat_siginfo_t rs_info;
struct ucontext32 rs_uc;
u32 rs_code[8] __attribute__((aligned(32))); /* signal trampoline */
};
#endif /* !ICACHE_REFILLS_WORKAROUND_WAR */
/*
* sigcontext handlers
*/
@ -598,8 +570,8 @@ badframe:
force_sig(SIGSEGV, current);
}
static int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set)
static int setup_frame_32(void *sig_return, struct k_sigaction *ka,
struct pt_regs *regs, int signr, sigset_t *set)
{
struct sigframe32 __user *frame;
int err = 0;
@ -608,8 +580,6 @@ static int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
goto give_sigsegv;
err |= install_sigtramp(frame->sf_code, __NR_O32_sigreturn);
err |= setup_sigcontext32(regs, &frame->sf_sc);
err |= __copy_conv_sigset_to_user(&frame->sf_mask, set);
@ -630,7 +600,7 @@ static int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
regs->regs[ 5] = 0;
regs->regs[ 6] = (unsigned long) &frame->sf_sc;
regs->regs[29] = (unsigned long) frame;
regs->regs[31] = (unsigned long) frame->sf_code;
regs->regs[31] = (unsigned long) sig_return;
regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
@ -644,8 +614,9 @@ give_sigsegv:
return -EFAULT;
}
static int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info)
static int setup_rt_frame_32(void *sig_return, struct k_sigaction *ka,
struct pt_regs *regs, int signr, sigset_t *set,
siginfo_t *info)
{
struct rt_sigframe32 __user *frame;
int err = 0;
@ -655,8 +626,6 @@ static int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
goto give_sigsegv;
err |= install_sigtramp(frame->rs_code, __NR_O32_rt_sigreturn);
/* Convert (siginfo_t -> compat_siginfo_t) and copy to user. */
err |= copy_siginfo_to_user32(&frame->rs_info, info);
@ -690,7 +659,7 @@ static int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
regs->regs[ 5] = (unsigned long) &frame->rs_info;
regs->regs[ 6] = (unsigned long) &frame->rs_uc;
regs->regs[29] = (unsigned long) frame;
regs->regs[31] = (unsigned long) frame->rs_code;
regs->regs[31] = (unsigned long) sig_return;
regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
@ -709,7 +678,11 @@ give_sigsegv:
*/
struct mips_abi mips_abi_32 = {
.setup_frame = setup_frame_32,
.signal_return_offset =
offsetof(struct mips_vdso, o32_signal_trampoline),
.setup_rt_frame = setup_rt_frame_32,
.rt_signal_return_offset =
offsetof(struct mips_vdso, o32_rt_signal_trampoline),
.restart = __NR_O32_restart_syscall
};

26
arch/mips/kernel/signal_n32.c
View File

@ -39,13 +39,13 @@
#include <asm/fpu.h>
#include <asm/cpu-features.h>
#include <asm/war.h>
#include <asm/vdso.h>
#include "signal-common.h"
/*
* Including <asm/unistd.h> would give use the 64-bit syscall numbers ...
*/
#define __NR_N32_rt_sigreturn 6211
#define __NR_N32_restart_syscall 6214
extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *);
@ -67,27 +67,13 @@ struct ucontextn32 {
compat_sigset_t uc_sigmask; /* mask last for extensibility */
};
#if ICACHE_REFILLS_WORKAROUND_WAR == 0
struct rt_sigframe_n32 {
u32 rs_ass[4]; /* argument save space for o32 */
u32 rs_code[2]; /* signal trampoline */
u32 rs_pad[2]; /* Was: signal trampoline */
struct compat_siginfo rs_info;
struct ucontextn32 rs_uc;
};
#else /* ICACHE_REFILLS_WORKAROUND_WAR */
struct rt_sigframe_n32 {
u32 rs_ass[4]; /* argument save space for o32 */
u32 rs_pad[2];
struct compat_siginfo rs_info;
struct ucontextn32 rs_uc;
u32 rs_code[8] ____cacheline_aligned; /* signal trampoline */
};
#endif /* !ICACHE_REFILLS_WORKAROUND_WAR */
extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
@ -173,7 +159,7 @@ badframe:
force_sig(SIGSEGV, current);
}
static int setup_rt_frame_n32(struct k_sigaction * ka,
static int setup_rt_frame_n32(void *sig_return, struct k_sigaction *ka,
struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info)
{
struct rt_sigframe_n32 __user *frame;
@ -184,8 +170,6 @@ static int setup_rt_frame_n32(struct k_sigaction * ka,
if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
goto give_sigsegv;
install_sigtramp(frame->rs_code, __NR_N32_rt_sigreturn);
/* Create siginfo. */
err |= copy_siginfo_to_user32(&frame->rs_info, info);
@ -219,7 +203,7 @@ static int setup_rt_frame_n32(struct k_sigaction * ka,
regs->regs[ 5] = (unsigned long) &frame->rs_info;
regs->regs[ 6] = (unsigned long) &frame->rs_uc;
regs->regs[29] = (unsigned long) frame;
regs->regs[31] = (unsigned long) frame->rs_code;
regs->regs[31] = (unsigned long) sig_return;
regs->cp0_epc = regs->regs[25] = (unsigned long) ka->sa.sa_handler;
DEBUGP("SIG deliver (%s:%d): sp=0x%p pc=0x%lx ra=0x%lx\n",
@ -235,5 +219,7 @@ give_sigsegv:
struct mips_abi mips_abi_n32 = {
.setup_rt_frame = setup_rt_frame_n32,
.rt_signal_return_offset =
offsetof(struct mips_vdso, n32_rt_signal_trampoline),
.restart = __NR_N32_restart_syscall
};

2
arch/mips/kernel/smtc.c
View File

@ -182,7 +182,7 @@ static int vpemask[2][8] = {
{0, 0, 0, 0, 0, 0, 0, 1}
};
int tcnoprog[NR_CPUS];
static atomic_t idle_hook_initialized = {0};
static atomic_t idle_hook_initialized = ATOMIC_INIT(0);
static int clock_hang_reported[NR_CPUS];
#endif /* CONFIG_SMTC_IDLE_HOOK_DEBUG */

6
arch/mips/kernel/syscall.c
View File

@ -79,7 +79,11 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
int do_color_align;
unsigned long task_size;
task_size = STACK_TOP;
#ifdef CONFIG_32BIT
task_size = TASK_SIZE;
#else /* Must be CONFIG_64BIT*/
task_size = test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE;
#endif
if (len > task_size)
return -ENOMEM;

2
arch/mips/kernel/traps.c
View File

@ -1599,7 +1599,7 @@ void __init trap_init(void)
ebase = (unsigned long)
__alloc_bootmem(size, 1 << fls(size), 0);
} else {
ebase = CAC_BASE;
ebase = CKSEG0;
if (cpu_has_mips_r2)
ebase += (read_c0_ebase() & 0x3ffff000);
}

112
arch/mips/kernel/vdso.c Normal file
View File

@ -0,0 +1,112 @@
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2009, 2010 Cavium Networks, Inc.
*/
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/binfmts.h>
#include <linux/elf.h>
#include <linux/vmalloc.h>
#include <linux/unistd.h>
#include <asm/vdso.h>
#include <asm/uasm.h>
/*
* Including <asm/unistd.h> would give use the 64-bit syscall numbers ...
*/
#define __NR_O32_sigreturn 4119
#define __NR_O32_rt_sigreturn 4193
#define __NR_N32_rt_sigreturn 6211
static struct page *vdso_page;
static void __init install_trampoline(u32 *tramp, unsigned int sigreturn)
{
uasm_i_addiu(&tramp, 2, 0, sigreturn); /* li v0, sigreturn */
uasm_i_syscall(&tramp, 0);
}
static int __init init_vdso(void)
{
struct mips_vdso *vdso;
vdso_page = alloc_page(GFP_KERNEL);
if (!vdso_page)
panic("Cannot allocate vdso");
vdso = vmap(&vdso_page, 1, 0, PAGE_KERNEL);
if (!vdso)
panic("Cannot map vdso");
clear_page(vdso);
install_trampoline(vdso->rt_signal_trampoline, __NR_rt_sigreturn);
#ifdef CONFIG_32BIT
install_trampoline(vdso->signal_trampoline, __NR_sigreturn);
#else
install_trampoline(vdso->n32_rt_signal_trampoline,
__NR_N32_rt_sigreturn);
install_trampoline(vdso->o32_signal_trampoline, __NR_O32_sigreturn);
install_trampoline(vdso->o32_rt_signal_trampoline,
__NR_O32_rt_sigreturn);
#endif
vunmap(vdso);
pr_notice("init_vdso successfull\n");
return 0;
}
device_initcall(init_vdso);
static unsigned long vdso_addr(unsigned long start)
{
return STACK_TOP;
}
int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
{
int ret;
unsigned long addr;
struct mm_struct *mm = current->mm;
down_write(&mm->mmap_sem);
addr = vdso_addr(mm->start_stack);
addr = get_unmapped_area(NULL, addr, PAGE_SIZE, 0, 0);
if (IS_ERR_VALUE(addr)) {
ret = addr;
goto up_fail;
}
ret = install_special_mapping(mm, addr, PAGE_SIZE,
VM_READ|VM_EXEC|
VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC|
VM_ALWAYSDUMP,
&vdso_page);
if (ret)
goto up_fail;
mm->context.vdso = (void *)addr;
up_fail:
up_write(&mm->mmap_sem);
return ret;
}
const char *arch_vma_name(struct vm_area_struct *vma)
{
if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso)
return "[vdso]";
return NULL;
}

4
arch/mips/lib/delay.c
View File

@ -41,7 +41,7 @@ EXPORT_SYMBOL(__delay);
void __udelay(unsigned long us)
{
unsigned int lpj = current_cpu_data.udelay_val;
unsigned int lpj = raw_current_cpu_data.udelay_val;
__delay((us * 0x000010c7ull * HZ * lpj) >> 32);
}
@ -49,7 +49,7 @@ EXPORT_SYMBOL(__udelay);
void __ndelay(unsigned long ns)
{
unsigned int lpj = current_cpu_data.udelay_val;
unsigned int lpj = raw_current_cpu_data.udelay_val;
__delay((ns * 0x00000005ull * HZ * lpj) >> 32);
}

3
arch/mips/lib/libgcc.h
View File

@ -17,8 +17,7 @@ struct DWstruct {
#error I feel sick.
#endif
typedef union
{
typedef union {
struct DWstruct s;
long long ll;
} DWunion;

2
arch/mips/mm/cache.c
View File

@ -133,7 +133,7 @@ void __update_cache(struct vm_area_struct *vma, unsigned long address,
}
unsigned long _page_cachable_default;
EXPORT_SYMBOL_GPL(_page_cachable_default);
EXPORT_SYMBOL(_page_cachable_default);
static inline void setup_protection_map(void)
{

22
arch/mips/mm/tlbex.c
View File

@ -788,10 +788,15 @@ static void __cpuinit build_r4000_tlb_refill_handler(void)
* create the plain linear handler
*/
if (bcm1250_m3_war()) {
UASM_i_MFC0(&p, K0, C0_BADVADDR);
UASM_i_MFC0(&p, K1, C0_ENTRYHI);
unsigned int segbits = 44;
uasm_i_dmfc0(&p, K0, C0_BADVADDR);
uasm_i_dmfc0(&p, K1, C0_ENTRYHI);
uasm_i_xor(&p, K0, K0, K1);
UASM_i_SRL(&p, K0, K0, PAGE_SHIFT + 1);
uasm_i_dsrl32(&p, K1, K0, 62 - 32);
uasm_i_dsrl(&p, K0, K0, 12 + 1);
uasm_i_dsll32(&p, K0, K0, 64 + 12 + 1 - segbits - 32);
uasm_i_or(&p, K0, K0, K1);
uasm_il_bnez(&p, &r, K0, label_leave);
/* No need for uasm_i_nop */
}
@ -1312,10 +1317,15 @@ static void __cpuinit build_r4000_tlb_load_handler(void)
memset(relocs, 0, sizeof(relocs));
if (bcm1250_m3_war()) {
UASM_i_MFC0(&p, K0, C0_BADVADDR);
UASM_i_MFC0(&p, K1, C0_ENTRYHI);
unsigned int segbits = 44;
uasm_i_dmfc0(&p, K0, C0_BADVADDR);
uasm_i_dmfc0(&p, K1, C0_ENTRYHI);
uasm_i_xor(&p, K0, K0, K1);
UASM_i_SRL(&p, K0, K0, PAGE_SHIFT + 1);
uasm_i_dsrl32(&p, K1, K0, 62 - 32);
uasm_i_dsrl(&p, K0, K0, 12 + 1);
uasm_i_dsll32(&p, K0, K0, 64 + 12 + 1 - segbits - 32);
uasm_i_or(&p, K0, K0, K1);
uasm_il_bnez(&p, &r, K0, label_leave);
/* No need for uasm_i_nop */
}

23
arch/mips/mm/uasm.c
View File

@ -31,7 +31,8 @@ enum fields {
BIMM = 0x040,
JIMM = 0x080,
FUNC = 0x100,
SET = 0x200
SET = 0x200,
SCIMM = 0x400
};
#define OP_MASK 0x3f
@ -52,6 +53,8 @@ enum fields {
#define FUNC_SH 0
#define SET_MASK 0x7
#define SET_SH 0
#define SCIMM_MASK 0xfffff
#define SCIMM_SH 6
enum opcode {
insn_invalid,
@ -61,10 +64,10 @@ enum opcode {
insn_dmtc0, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl,
insn_dsrl32, insn_drotr, insn_dsubu, insn_eret, insn_j, insn_jal,
insn_jr, insn_ld, insn_ll, insn_lld, insn_lui, insn_lw, insn_mfc0,
insn_mtc0, insn_ori, insn_pref, insn_rfe, insn_sc, insn_scd,
insn_mtc0, insn_or, insn_ori, insn_pref, insn_rfe, insn_sc, insn_scd,
insn_sd, insn_sll, insn_sra, insn_srl, insn_rotr, insn_subu, insn_sw,
insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori,
insn_dins
insn_dins, insn_syscall
};
struct insn {
@ -117,6 +120,7 @@ static struct insn insn_table[] __cpuinitdata = {
{ insn_lw, M(lw_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
{ insn_mfc0, M(cop0_op, mfc_op, 0, 0, 0, 0), RT | RD | SET},
{ insn_mtc0, M(cop0_op, mtc_op, 0, 0, 0, 0), RT | RD | SET},
{ insn_or, M(spec_op, 0, 0, 0, 0, or_op), RS | RT | RD },
{ insn_ori, M(ori_op, 0, 0, 0, 0, 0), RS | RT | UIMM },
{ insn_pref, M(pref_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
{ insn_rfe, M(cop0_op, cop_op, 0, 0, 0, rfe_op), 0 },
@ -136,6 +140,7 @@ static struct insn insn_table[] __cpuinitdata = {
{ insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD },
{ insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM },
{ insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE },
{ insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM},
{ insn_invalid, 0, 0 }
};
@ -208,6 +213,14 @@ static inline __cpuinit u32 build_jimm(u32 arg)
return (arg >> 2) & JIMM_MASK;
}
static inline __cpuinit u32 build_scimm(u32 arg)
{
if (arg & ~SCIMM_MASK)
printk(KERN_WARNING "Micro-assembler field overflow\n");
return (arg & SCIMM_MASK) << SCIMM_SH;
}
static inline __cpuinit u32 build_func(u32 arg)
{
if (arg & ~FUNC_MASK)
@ -266,6 +279,8 @@ static void __cpuinit build_insn(u32 **buf, enum opcode opc, ...)
op |= build_func(va_arg(ap, u32));
if (ip->fields & SET)
op |= build_set(va_arg(ap, u32));
if (ip->fields & SCIMM)
op |= build_scimm(va_arg(ap, u32));
va_end(ap);
**buf = op;
@ -373,6 +388,7 @@ I_u2s3u1(_lw)
I_u1u2u3(_mfc0)
I_u1u2u3(_mtc0)
I_u2u1u3(_ori)
I_u3u1u2(_or)
I_u2s3u1(_pref)
I_0(_rfe)
I_u2s3u1(_sc)
@ -391,6 +407,7 @@ I_0(_tlbwr)
I_u3u1u2(_xor)
I_u2u1u3(_xori)
I_u2u1msbu3(_dins);
I_u1(_syscall);
/* Handle labels. */
void __cpuinit uasm_build_label(struct uasm_label **lab, u32 *addr, int lid)

10
arch/mips/pci/ops-loongson2.c
View File

@ -180,15 +180,21 @@ struct pci_ops loongson_pci_ops = {
};
#ifdef CONFIG_CS5536
DEFINE_RAW_SPINLOCK(msr_lock);
void _rdmsr(u32 msr, u32 *hi, u32 *lo)
{
struct pci_bus bus = {
.number = PCI_BUS_CS5536
};
u32 devfn = PCI_DEVFN(PCI_IDSEL_CS5536, 0);
unsigned long flags;
raw_spin_lock_irqsave(&msr_lock, flags);
loongson_pcibios_write(&bus, devfn, PCI_MSR_ADDR, 4, msr);
loongson_pcibios_read(&bus, devfn, PCI_MSR_DATA_LO, 4, lo);
loongson_pcibios_read(&bus, devfn, PCI_MSR_DATA_HI, 4, hi);
raw_spin_unlock_irqrestore(&msr_lock, flags);
}
EXPORT_SYMBOL(_rdmsr);
@ -198,9 +204,13 @@ void _wrmsr(u32 msr, u32 hi, u32 lo)
.number = PCI_BUS_CS5536
};
u32 devfn = PCI_DEVFN(PCI_IDSEL_CS5536, 0);
unsigned long flags;
raw_spin_lock_irqsave(&msr_lock, flags);
loongson_pcibios_write(&bus, devfn, PCI_MSR_ADDR, 4, msr);
loongson_pcibios_write(&bus, devfn, PCI_MSR_DATA_LO, 4, lo);
loongson_pcibios_write(&bus, devfn, PCI_MSR_DATA_HI, 4, hi);
raw_spin_unlock_irqrestore(&msr_lock, flags);
}
EXPORT_SYMBOL(_wrmsr);
#endif

15
arch/mips/sibyte/sb1250/setup.c
View File

@ -87,6 +87,21 @@ static int __init setup_bcm1250(void)
return ret;
}
int sb1250_m3_workaround_needed(void)
{
switch (soc_type) {
case K_SYS_SOC_TYPE_BCM1250:
case K_SYS_SOC_TYPE_BCM1250_ALT:
case K_SYS_SOC_TYPE_BCM1250_ALT2:
case K_SYS_SOC_TYPE_BCM1125:
case K_SYS_SOC_TYPE_BCM1125H:
return soc_pass < K_SYS_REVISION_BCM1250_C0;
default:
return 0;
}
}
static int __init setup_bcm112x(void)
{
int ret = 0;

29
drivers/ssb/driver_pcicore.c
View File

@ -246,20 +246,12 @@ static struct pci_controller ssb_pcicore_controller = {
.pci_ops = &ssb_pcicore_pciops,
.io_resource = &ssb_pcicore_io_resource,
.mem_resource = &ssb_pcicore_mem_resource,
.mem_offset = 0x24000000,
};
static u32 ssb_pcicore_pcibus_iobase = 0x100;
static u32 ssb_pcicore_pcibus_membase = SSB_PCI_DMA;
/* This function is called when doing a pci_enable_device().
* We must first check if the device is a device on the PCI-core bridge. */
int ssb_pcicore_plat_dev_init(struct pci_dev *d)
{
struct resource *res;
int pos, size;
u32 *base;
if (d->bus->ops != &ssb_pcicore_pciops) {
/* This is not a device on the PCI-core bridge. */
return -ENODEV;
@ -268,27 +260,6 @@ int ssb_pcicore_plat_dev_init(struct pci_dev *d)
ssb_printk(KERN_INFO "PCI: Fixing up device %s\n",
pci_name(d));
/* Fix up resource bases */
for (pos = 0; pos < 6; pos++) {
res = &d->resource[pos];
if (res->flags & IORESOURCE_IO)
base = &ssb_pcicore_pcibus_iobase;
else
base = &ssb_pcicore_pcibus_membase;
res->flags |= IORESOURCE_PCI_FIXED;
if (res->end) {
size = res->end - res->start + 1;
if (*base & (size - 1))
*base = (*base + size) & ~(size - 1);
res->start = *base;
res->end = res->start + size - 1;
*base += size;
pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start);
}
/* Fix up PCI bridge BAR0 only */
if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0)
break;
}
/* Fix up interrupt lines */
d->irq = ssb_mips_irq(extpci_core->dev) + 2;
pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq);