diff options
Diffstat (limited to 'src')
27 files changed, 804 insertions, 604 deletions
diff --git a/src/arch/i386/include/arch/io.h b/src/arch/i386/include/arch/io.h index bcba9a932c..c1207b3182 100644 --- a/src/arch/i386/include/arch/io.h +++ b/src/arch/i386/include/arch/io.h @@ -1,76 +1,142 @@ #ifndef _ASM_IO_H #define _ASM_IO_H +#include <stdint.h> + /* * This file contains the definitions for the x86 IO instructions * inb/inw/inl/outb/outw/outl and the "string versions" of the same - * (insb/insw/insl/outsb/outsw/outsl). - * - * This file is not meant to be obfuscating: it's just complicated - * to (a) handle it all in a way that makes gcc able to optimize it - * as well as possible and (b) trying to avoid writing the same thing - * over and over again with slight variations and possibly making a - * mistake somewhere. - */ - - /* - * Bit simplified and optimized by Jan Hubicka - * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999. - */ - -/* - * Talk about misusing macros.. + * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing" + * versions of the single-IO instructions (inb_p/inw_p/..). */ -#define __OUT1(s,x) \ -extern inline void out##s(unsigned x value, unsigned short port) { - -#define __OUT2(s,s1,s2) \ -__asm__ __volatile__ ("out" #s " %" s1 "0,%" s2 "1" - -#define __OUT(s,s1,x) \ -__OUT1(s,x) __OUT2(s,s1,"w") : : "a" (value), "Nd" (port)); } - -#define __IN1(s) \ -extern inline RETURN_TYPE in##s(unsigned short port) { RETURN_TYPE _v; - -#define __IN2(s,s1,s2) \ -__asm__ __volatile__ ("in" #s " %" s2 "1,%" s1 "0" - -#define __IN(s,s1,i...) \ -__IN1(s) __IN2(s,s1,"w") : "=a" (_v) : "Nd" (port) ,##i ); return _v; } - -#define __INS(s) \ -extern inline void ins##s(unsigned short port, void * addr, unsigned long count) \ -{ __asm__ __volatile__ ("cld ; rep ; ins" #s \ -: "=D" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } - -#define __OUTS(s) \ -extern inline void outs##s(unsigned short port, const void * addr, unsigned long count) \ -{ __asm__ __volatile__ ("cld ; rep ; outs" #s \ -: "=S" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); } - -#define RETURN_TYPE unsigned char -__IN(b,"") -#undef RETURN_TYPE -#define RETURN_TYPE unsigned short -__IN(w,"") -#undef RETURN_TYPE -#define RETURN_TYPE unsigned int -__IN(l,"") -#undef RETURN_TYPE - -__OUT(b,"b",char) -__OUT(w,"w",short) -__OUT(l,,int) - -__INS(b) -__INS(w) -__INS(l) - -__OUTS(b) -__OUTS(w) -__OUTS(l) +#ifdef __ROMCC__ +static void outb(unsigned char value, unsigned short port) +{ + __builtin_outb(value, port); +} + +static void outw(unsigned short value, unsigned short port) +{ + __builtin_outw(value, port); +} + +static void outl(unsigned int value, unsigned short port) +{ + __builtin_outl(value, port); +} + + +static unsigned char inb(unsigned short port) +{ + return __builtin_inb(port); +} + + +static unsigned char inw(unsigned short port) +{ + return __builtin_inw(port); +} + +static unsigned char inl(unsigned short port) +{ + return __builtin_inl(port); +} + +#else + +static inline void outb(uint8_t value, uint16_t port) +{ + __asm__ __volatile__ ("outb %b0, %w1" : : "a" (value), "Nd" (port)); +} + +static inline void outw(uint16_t value, uint16_t port) +{ + __asm__ __volatile__ ("outw %w0, %w1" : : "a" (value), "Nd" (port)); +} + +static inline void outl(uint32_t value, uint16_t port) +{ + __asm__ __volatile__ ("outl %0, %w1" : : "a" (value), "Nd" (port)); +} + +static inline uint8_t inb(uint16_t port) +{ + uint8_t value; + __asm__ __volatile__ ("inb %w1, %b0" : "=a"(value) : "Nd" (port)); + return value; +} + +static inline uint16_t inw(uint16_t port) +{ + uint16_t value; + __asm__ __volatile__ ("inw %w1, %w0" : "=a"(value) : "Nd" (port)); + return value; +} + +static inline uint32_t inl(uint16_t port) +{ + uint32_t value; + __asm__ __volatile__ ("inl %w1, %0" : "=a"(value) : "Nd" (port)); + return value; +} + +#endif /* __ROMCC__ */ + +static inline void outsb(uint16_t port, const void *addr, unsigned long count) +{ + __asm__ __volatile__ ( + "cld ; rep ; outsb " + : "=S" (addr), "=c" (count) + : "d"(port), "0"(addr), "1" (count) + ); +} + +static inline void outsw(uint16_t port, const void *addr, unsigned long count) +{ + __asm__ __volatile__ ( + "cld ; rep ; outsw " + : "=S" (addr), "=c" (count) + : "d"(port), "0"(addr), "1" (count) + ); +} + +static inline void outsl(uint16_t port, const void *addr, unsigned long count) +{ + __asm__ __volatile__ ( + "cld ; rep ; outsl " + : "=S" (addr), "=c" (count) + : "d"(port), "0"(addr), "1" (count) + ); +} + + +static inline void insb(uint16_t port, void *addr, unsigned long count) +{ + __asm__ __volatile__ ( + "cld ; rep ; insb " + : "=D" (addr), "=c" (count) + : "d"(port), "0"(addr), "1" (count) + ); +} + +static inline void insw(uint16_t port, void *addr, unsigned long count) +{ + __asm__ __volatile__ ( + "cld ; rep ; insw " + : "=D" (addr), "=c" (count) + : "d"(port), "0"(addr), "1" (count) + ); +} + +static inline void insl(uint16_t port, void *addr, unsigned long count) +{ + __asm__ __volatile__ ( + "cld ; rep ; insl " + : "=D" (addr), "=c" (count) + : "d"(port), "0"(addr), "1" (count) + ); +} #endif diff --git a/src/arch/i386/include/arch/romcc_io.h b/src/arch/i386/include/arch/romcc_io.h index f8618b0e76..1a646359a7 100644 --- a/src/arch/i386/include/arch/romcc_io.h +++ b/src/arch/i386/include/arch/romcc_io.h @@ -1,37 +1,6 @@ #ifndef ARCH_ROMCC_IO_H #define ARCH_ROMCC_IO_H 1 -static void outb(unsigned char value, unsigned short port) -{ - __builtin_outb(value, port); -} - -static void outw(unsigned short value, unsigned short port) -{ - __builtin_outw(value, port); -} - -static void outl(unsigned int value, unsigned short port) -{ - __builtin_outl(value, port); -} - - -static unsigned char inb(unsigned short port) -{ - return __builtin_inb(port); -} - - -static unsigned char inw(unsigned short port) -{ - return __builtin_inw(port); -} - -static unsigned char inl(unsigned short port) -{ - return __builtin_inl(port); -} static void hlt(void) { @@ -76,38 +45,6 @@ int log2(int value) return __builtin_bsr(value); } - -typedef __builtin_msr_t msr_t; - -static msr_t rdmsr(unsigned long index) -{ - return __builtin_rdmsr(index); -} - -static void wrmsr(unsigned long index, msr_t msr) -{ - __builtin_wrmsr(index, msr.lo, msr.hi); -} - - -struct tsc_struct { - unsigned lo; - unsigned hi; -}; -typedef struct tsc_struct tsc_t; - -static tsc_t rdtsc(void) -{ - tsc_t res; - asm ("rdtsc" - : "=a" (res.lo), "=d"(res.hi) /* outputs */ - : /* inputs */ - : /* Clobbers */ - ); - return res; -} - - #define PCI_ADDR(BUS, DEV, FN, WHERE) ( \ (((BUS) & 0xFF) << 16) | \ (((DEV) & 0x1f) << 11) | \ diff --git a/src/arch/i386/lib/cpu.c b/src/arch/i386/lib/cpu.c index 19020fee55..95dba5f8e5 100644 --- a/src/arch/i386/lib/cpu.c +++ b/src/arch/i386/lib/cpu.c @@ -57,16 +57,16 @@ static void interrupts_on() #if defined(APIC) /* Only Pentium Pro and later have those MSR stuff */ - unsigned long low, high; + msr_t msr; printk_info("Setting up local apic..."); /* Enable the local apic */ - rdmsr(APIC_BASE_MSR, low, high); - low |= APIC_BASE_MSR_ENABLE; - low &= ~APIC_BASE_MSR_ADDR_MASK; - low |= APIC_DEFAULT_BASE; - wrmsr(APIC_BASE_MSR, low, high); + msr = rdmsr(APIC_BASE_MSR); + msr.lo |= APIC_BASE_MSR_ENABLE; + msr.lo &= ~APIC_BASE_MSR_ADDR_MASK; + msr.lo |= APIC_DEFAULT_BASE; + wrmsr(APIC_BASE_MSR, msr); /* * Set Task Priority to 'accept all'. @@ -103,13 +103,13 @@ static void interrupts_on() #else /* APIC */ #ifdef i686 /* Only Pentium Pro and later have those MSR stuff */ - unsigned long low, high; + msr_t msr; printk_info("Disabling local apic..."); - rdmsr(APIC_BASE_MSR, low, high); - low &= ~APIC_BASE_MSR_ENABLE; - wrmsr(APIC_BASE_MSR, low, high); + msr = rdmsr(APIC_BASE_MSR); + msr.lo &= ~APIC_BASE_MSR_ENABLE; + wrmsr(APIC_BASE_MSR, msr); #endif /* i686 */ #endif /* APIC */ printk_info("done.\n"); @@ -143,6 +143,7 @@ unsigned long cpu_initialize(struct mem_range *mem) configure_l2_cache(); #endif interrupts_on(); + processor_id = this_processors_id(); printk_info("CPU #%d Initialized\n", processor_id); return processor_id; } diff --git a/src/arch/i386/smp/secondary.S b/src/arch/i386/smp/secondary.S new file mode 100644 index 0000000000..78c55764b0 --- /dev/null +++ b/src/arch/i386/smp/secondary.S @@ -0,0 +1,76 @@ +#include <arch/asm.h> +#include <arch/intel.h> +#include <cpu/p6/mtrr.h> +#include <cpu/p6/apic.h> + .text + .globl _secondary_start + .balign 4096 +_secondary_start: + .code16 + cli + xorl %eax, %eax + movl %eax, %cr3 /* Invalidate TLB*/ + + /* On hyper threaded cpus invalidating the cache here is + * very very bad. Don't. + */ + + /* setup the data segment */ + movw %cs, %ax + movw %ax, %ds + + data32 lgdt gdtaddr - _secondary_start + + movl %cr0, %eax + andl $0x7FFAFFD1, %eax /* PG,AM,WP,NE,TS,EM,MP = 0 */ + orl $0x60000001, %eax /* CD, NW, PE = 1 */ + movl %eax, %cr0 + + ljmpl $0x10, $1f +1: + .code32 + movw $0x18, %ax + movw %ax, %ds + movw %ax, %es + movw %ax, %ss + movw %ax, %fs + movw %ax, %gs + + /* Enable the local apic, and map it where we expext it */ + movl $APIC_BASE_MSR, %ecx + rdmsr + orl $APIC_BASE_MSR_ENABLE, %eax + andl $(~APIC_BASE_MSR_ADDR_MASK), %eax + orl $APIC_DEFAULT_BASE, %eax + wrmsr + + /* Get the apic_id */ + movl (APIC_ID + APIC_DEFAULT_BASE), %edi + shrl $24, %edi + + /* Get the cpu index (MAX_CPUS on error) */ + movl $-4, %ebx +1: addl $4, %ebx + cmpl $(MAX_CPUS << 2), %ebx + je 2 + cmpl %edi, initial_apicid(%ebx) + jne 1b +2: shrl $2, %ebx + + /* set the stack pointer */ + movl $_estack, %esp + movl %ebx, %eax + movl $STACK_SIZE, %ebx + mull %ebx + subl %eax, %esp + + call secondary_cpu_init +1: hlt + jmp 1b + +gdtaddr: + .word gdt_limit /* the table limit */ + .long gdt /* we know the offset */ + + +.code32 diff --git a/src/arch/i386/smp/start_stop.c b/src/arch/i386/smp/start_stop.c index 018ec30705..bb8868a8d9 100644 --- a/src/arch/i386/smp/start_stop.c +++ b/src/arch/i386/smp/start_stop.c @@ -3,6 +3,7 @@ #include <cpu/p6/apic.h> #include <delay.h> #include <string.h> +#include <console/console.h> #ifndef START_CPU_SEG #define START_CPU_SEG 0x90000 diff --git a/src/boot/hardwaremain.c b/src/boot/hardwaremain.c index 4e7b9e379e..1443727948 100644 --- a/src/boot/hardwaremain.c +++ b/src/boot/hardwaremain.c @@ -35,6 +35,7 @@ it with the version available from LANL. #include <part/sizeram.h> #include <device/device.h> #include <device/pci.h> +#include <delay.h> #if 0 #include <part/mainboard.h> #endif @@ -74,7 +75,7 @@ static struct mem_range *get_ramsize(void) } -#if SMP == 1 +#if CONFIG_SMP == 1 /* Number of cpus that are currently running in linuxbios */ static atomic_t active_cpus = ATOMIC_INIT(1); @@ -111,10 +112,9 @@ static void wait_for_other_cpus(void) } for(i = 0; i < MAX_CPUS; i++) { if (!(processor_map[i] & CPU_ENABLED)) { - printk_err("CPU %d/%u did not initialize!\n", - i, initial_apicid[i]); + printk_err("CPU %d did not initialize!\n", i); processor_map[i] = 0; - mainboard_cpu_fixup(i); +#warning "FIXME do I need a mainboard_cpu_fixup function?" } } printk_debug("All AP CPUs stopped\n"); @@ -159,7 +159,7 @@ void hardwaremain(int boot_complete) hard_reset(); } #endif -#if 1 + init_timer(); /* pick how to scan the bus. This is first so we can get at memory size. */ printk_info("Finding PCI configuration type.\n"); @@ -181,7 +181,6 @@ void hardwaremain(int boot_complete) dev_initialize(); post_code(0x89); -#endif mem = get_ramsize(); post_code(0x70); diff --git a/src/cpu/k8/apic_timer.c b/src/cpu/k8/apic_timer.c new file mode 100644 index 0000000000..fa7e9b905f --- /dev/null +++ b/src/cpu/k8/apic_timer.c @@ -0,0 +1,26 @@ +#include <stdint.h> +#include <delay.h> +#include <cpu/p6/msr.h> +#include <cpu/p6/apic.h> + +void init_timer(void) +{ + /* Set the apic timer to no interrupts and periodic mode */ + apic_write(APIC_LVTT, (1 << 17)|(1<< 16)|(0 << 12)|(0 << 0)); + /* Set the divider to 1, no divider */ + apic_write(APIC_TDCR, APIC_TDR_DIV_1); + /* Set the initial counter to 0xffffffff */ + apic_write(APIC_TMICT, 0xffffffff); +} + +void udelay(unsigned usecs) +{ + uint32_t start, value, ticks; + /* Calculate the number of ticks to run, our FSB runs a 200Mhz */ + ticks = usecs * 200; + start = apic_read(APIC_TMCCT); + do { + value = apic_read(APIC_TMCCT); + } while((start - value) < ticks); + +} diff --git a/src/cpu/k8/cpufixup.c b/src/cpu/k8/cpufixup.c index 9f306d1156..8e7ad95d5d 100644 --- a/src/cpu/k8/cpufixup.c +++ b/src/cpu/k8/cpufixup.c @@ -13,7 +13,8 @@ void k8_cpufixup(struct mem_range *mem) { - unsigned long lo = 0, hi = 0, i; + msr_t msr; + unsigned long i; unsigned long ram_megabytes; /* For now no Athlon board has significant holes in it's @@ -27,33 +28,34 @@ void k8_cpufixup(struct mem_range *mem) ram_megabytes = (mem[i-1].basek + mem[i-1].sizek) *1024; +#warning "FIXME handle > 4GB of ram" // 8 MB alignment please ram_megabytes += 0x7fffff; ram_megabytes &= (~0x7fffff); // set top_mem registers to ram size printk_spew("Setting top_mem to 0x%x\n", ram_megabytes); - rdmsr(TOP_MEM, lo, hi); - printk_spew("TOPMEM was 0x%02x:0x%02x\n", hi, lo); - hi = 0; - lo = ram_megabytes; - wrmsr(TOP_MEM, lo, hi); + msr = rdmsr(TOP_MEM); + printk_spew("TOPMEM was 0x%02x:0x%02x\n", msr.hi, msr.lo); + msr.hi = 0; + msr.lo = ram_megabytes; + wrmsr(TOP_MEM, msr); // I am setting this even though I won't enable it - wrmsr(TOP_MEM2, lo, hi); + wrmsr(TOP_MEM2, msr); /* zero the IORR's before we enable to prevent * undefined side effects */ - lo = hi = 0; + msr.lo = msr.hi = 0; for (i = IORR_FIRST; i <= IORR_LAST; i++) - wrmsr(i, lo, hi); - - rdmsr(SYSCFG, lo, hi); - printk_spew("SYSCFG was 0x%x:0x%x\n", hi, lo); - lo |= MTRRVARDRAMEN; - wrmsr(SYSCFG, lo, hi); - rdmsr(SYSCFG, lo, hi); - printk_spew("SYSCFG IS NOW 0x%x:0x%x\n", hi, lo); + wrmsr(i, msr); + + msr = rdmsr(SYSCFG); + printk_spew("SYSCFG was 0x%x:0x%x\n", msr.hi, msr.lo); + msr.lo |= MTRRVARDRAMEN; + wrmsr(SYSCFG, msr); + msr = rdmsr(SYSCFG); + printk_spew("SYSCFG IS NOW 0x%x:0x%x\n", msr.hi, msr.lo); } diff --git a/src/cpu/k8/earlymtrr.c b/src/cpu/k8/earlymtrr.c new file mode 100644 index 0000000000..47ddd12340 --- /dev/null +++ b/src/cpu/k8/earlymtrr.c @@ -0,0 +1,87 @@ +#include <cpu/k8/mtrr.h> + +/* the fixed and variable MTTRs are power-up with random values, + * clear them to MTRR_TYPE_UNCACHEABLE for safty. + */ + +static void early_mtrr_init(void) +{ + static unsigned long mtrr_msrs[] = { + /* fixed mtrr */ + 0x250, 0x258, 0x259, + 0x268, 0x269, 0x26A + 0x26B, 0x26C, 0x26D + 0x26E, 0x26F, + /* var mtrr */ + 0x200, 0x201, 0x202, 0x203, + 0x204, 0x205, 0x206, 0x207, + 0x208, 0x209, 0x20A, 0x20B, + 0x20C, 0x20D, 0x20E, 0x20F, + /* var iorr msr */ + 0xC0010016, 0xC0010017, 0xC0010018, 0xC0010019, + /* mem top */ + 0xC001001A, 0xC001001D, + /* NULL end of table */ + 0 + }; + msr_t msr; + unsigned long *msr_addr; + + /* Inialize all of the relevant msrs to 0 */ + msr.lo = 0; + msr.hi = 0; + for(msr_addr = &mtrr_msrs; *msr_addr; msr_addr++) { + wrmsr(*msr_addr, msr); + } + + /* Enable memory access for 0 - 8MB using top_mem */ + msr.hi = 0; + msr.lo = 0x08000000; + wrmsr(TOP_MEM, msr); + + /* Enable caching for 0 - 128MB using variable mtrr */ + msr = rdmsr(0x200); + msr.hi &= 0xfffffff0; + msr.hi |= 0x00000000; + msr.lo &= 0x00000f00; + msr.lo |= 0x00000006; + wrmsr(0x200, msr); + + msr = rdmsr(0x201); + msr.hi &= 0xfffffff0; + msr.hi |= 0x0000000f; + msr.lo &= 0x000007ff; + msr.lo |= 0xf0000800; + wrmsr(0x201, msr); + +#if defined(XIP_ROM_SIZE) && defined(XIP_ROM_BASE) + /* enable write back caching so we can do execute in place + * on the flash rom. + */ + msr.hi = 0x00000000; + msr.lo = XIP_ROM_BASE | 0x005; + wrmsr(0x202); +#error "FIXME verify the type of MTRR I have setup" + msr.hi = 0x0000000f; + msr.lo = ~(XIP_ROM_SIZE - 1) | 0x800; + wrmsr(0x203); +#endif + + /* Set the default memory type and enable fixed and variable MTRRs + */ + /* Enable Variable MTRRs */ + msr.hi = 0x00000000; + msr.lo = 0x00000800; + wrmsr(0x2ff, msr); + + /* Enale the MTRRs in SYSCFG */ + msr = rdmsr(SYSCFG_MSR); + msr.lo |= SYSCFG_MSR_MtrrrVarDramEn; + wrmsr(SYSCFG_MSR, msr); + + /* Enable the cache */ + unsigned long cr0; + cr0 = read_cr0(); + cr0 &= 0x9fffffff; + write_cr0(cr0); +} diff --git a/src/cpu/p5/cpuid.c b/src/cpu/p5/cpuid.c index d98ce13a8e..2d3d3a87b5 100644 --- a/src/cpu/p5/cpuid.c +++ b/src/cpu/p5/cpuid.c @@ -9,21 +9,20 @@ int mtrr_check(void) { #ifdef i686 /* Only Pentium Pro and later have MTRR */ - unsigned long low, high; - + msr_t msr; printk_debug("\nMTRR check\n"); - rdmsr(0x2ff, low, high); - low = low >> 10; + msr = rdmsr(0x2ff); + msr.lo >>= 10; printk_debug("Fixed MTRRs : "); - if (low & 0x01) + if (msr.lo & 0x01) printk_debug("Enabled\n"); else printk_debug("Disabled\n"); printk_debug("Variable MTRRs: "); - if (low & 0x02) + if (msr.lo & 0x02) printk_debug("Enabled\n"); else printk_debug("Disabled\n"); @@ -31,7 +30,7 @@ int mtrr_check(void) printk_debug("\n"); post_code(0x93); - return ((int) low); + return ((int) msr.lo); #else /* !i686 */ return 0; #endif /* i686 */ diff --git a/src/cpu/p6/boot_cpu.c b/src/cpu/p6/boot_cpu.c new file mode 100644 index 0000000000..803eecdd5d --- /dev/null +++ b/src/cpu/p6/boot_cpu.c @@ -0,0 +1,12 @@ +#include <cpu/p6/msr.h> + +int boot_cpu(void) +{ + volatile unsigned long *local_apic; + unsigned long apic_id; + int bsp; + msr_t msr; + msr = rdmsr(0x1b); + bsp = !!(msr.lo & (1 << 8)); + return bsp; +} diff --git a/src/cpu/p6/mtrr.c b/src/cpu/p6/mtrr.c index 413acb1883..b067883316 100644 --- a/src/cpu/p6/mtrr.c +++ b/src/cpu/p6/mtrr.c @@ -40,20 +40,20 @@ static unsigned int mtrr_msr[] = { static void intel_enable_fixed_mtrr(void) { - unsigned long low, high; + msr_t msr; - rdmsr(MTRRdefType_MSR, low, high); - low |= 0xc00; - wrmsr(MTRRdefType_MSR, low, high); + msr = rdmsr(MTRRdefType_MSR); + msr.lo |= 0xc00; + wrmsr(MTRRdefType_MSR, msr); } static void intel_enable_var_mtrr(void) { - unsigned long low, high; + msr_t msr; - rdmsr(MTRRdefType_MSR, low, high); - low |= 0x800; - wrmsr(MTRRdefType_MSR, low, high); + msr = rdmsr(MTRRdefType_MSR); + msr.lo |= 0x800; + wrmsr(MTRRdefType_MSR, msr); } static inline void disable_cache(void) @@ -86,19 +86,18 @@ static inline void enable_cache(void) /* setting variable mtrr, comes from linux kernel source */ static void intel_set_var_mtrr(unsigned int reg, unsigned long basek, unsigned long sizek, unsigned char type) { - unsigned long base_high, base_low; - unsigned long mask_high, mask_low; + msr_t base, mask; - base_high = basek >> 22; - base_low = basek << 10; + base.hi = basek >> 22; + base.lo = basek << 10; if (sizek < 4*1024*1024) { - mask_high = 0x0F; - mask_low = ~((sizek << 10) -1); + mask.hi = 0x0F; + mask.lo = ~((sizek << 10) -1); } else { - mask_high = 0x0F & (~((sizek >> 22) -1)); - mask_low = 0; + mask.hi = 0x0F & (~((sizek >> 22) -1)); + mask.lo = 0; } if (reg >= 8) @@ -108,13 +107,17 @@ static void intel_set_var_mtrr(unsigned int reg, unsigned long basek, unsigned l // do this. disable_cache(); if (sizek == 0) { + msr_t zero; + zero.lo = zero.hi = 0; /* The invalid bit is kept in the mask, so we simply clear the relevant mask register to disable a range. */ - wrmsr (MTRRphysMask_MSR (reg), 0, 0); + wrmsr (MTRRphysMask_MSR(reg), zero); } else { /* Bit 32-35 of MTRRphysMask should be set to 1 */ - wrmsr (MTRRphysBase_MSR(reg), base_low | type, base_high); - wrmsr (MTRRphysMask_MSR(reg), mask_low | 0x800, mask_high); + base.lo |= type; + mask.lo |= 0x800; + wrmsr (MTRRphysBase_MSR(reg), base); + wrmsr (MTRRphysMask_MSR(reg), mask); } enable_cache(); } @@ -131,11 +134,18 @@ void set_var_mtrr(unsigned int reg, unsigned long base, unsigned long size, unsi if (size == 0) { /* The invalid bit is kept in the mask, so we simply clear the relevant mask register to disable a range. */ - wrmsr (MTRRphysMask_MSR (reg), 0, 0); + msr_t zero; + zero.lo = zero.hi = 0; + wrmsr (MTRRphysMask_MSR(reg), zero); } else { /* Bit 32-35 of MTRRphysMask should be set to 1 */ - wrmsr (MTRRphysBase_MSR (reg), base | type, 0); - wrmsr (MTRRphysMask_MSR (reg), ~(size - 1) | 0x800, 0x0F); + msr_t basem, maskm; + basem.lo = base | type; + basem.hi = 0; + maskm.lo = ~(size - 1) | 0x800; + maskm.hi = 0x0F; + wrmsr (MTRRphysBase_MSR(reg), basem); + wrmsr (MTRRphysMask_MSR(reg), maskm); } // turn cache back on. @@ -197,32 +207,32 @@ static void set_fixed_mtrrs(unsigned int first, unsigned int last, unsigned char { unsigned int i; unsigned int fixed_msr = NUM_FIXED_RANGES >> 3; - unsigned long low, high; - low = high = 0; /* Shut up gcc */ + msr_t msr; + msr.lo = msr.hi = 0; /* Shut up gcc */ for(i = first; i < last; i++) { /* When I switch to a new msr read it in */ if (fixed_msr != i >> 3) { /* But first write out the old msr */ if (fixed_msr < (NUM_FIXED_RANGES >> 3)) { disable_cache(); - wrmsr(mtrr_msr[fixed_msr], low, high); + wrmsr(mtrr_msr[fixed_msr], msr); enable_cache(); } fixed_msr = i>>3; - rdmsr(mtrr_msr[fixed_msr], low, high); + msr = rdmsr(mtrr_msr[fixed_msr]); } if ((i & 7) < 4) { - low &= ~(0xff << ((i&3)*8)); - low |= type << ((i&3)*8); + msr.lo &= ~(0xff << ((i&3)*8)); + msr.lo |= type << ((i&3)*8); } else { - high &= ~(0xff << ((i&3)*8)); - high |= type << ((i&3)*8); + msr.hi &= ~(0xff << ((i&3)*8)); + msr.hi |= type << ((i&3)*8); } } /* Write out the final msr */ if (fixed_msr < (NUM_FIXED_RANGES >> 3)) { disable_cache(); - wrmsr(mtrr_msr[fixed_msr], low, high); + wrmsr(mtrr_msr[fixed_msr], msr); enable_cache(); } } diff --git a/src/include/console/console.h b/src/include/console/console.h index 57ba9da268..2a9f38896a 100644 --- a/src/include/console/console.h +++ b/src/include/console/console.h @@ -72,5 +72,54 @@ int do_printk(int msg_level, const char *fmt, ...); #define printk_spew(fmt, arg...) do {} while(0) #endif +#define print_emerg(STR) printk_emerg ("%s", (STR)) +#define print_alert(STR) printk_alert ("%s", (STR)) +#define print_crit(STR) printk_crit ("%s", (STR)) +#define print_err(STR) printk_err ("%s", (STR)) +#define print_warning(STR) printk_warning("%s", (STR)) +#define print_notice(STR) printk_notice ("%s", (STR)) +#define print_info(STR) printk_info ("%s", (STR)) +#define print_debug(STR) printk_debug ("%s", (STR)) +#define print_spew(STR) printk_spew ("%s", (STR)) + +#define print_emerg_char(CH) printk_emerg ("%c", (CH)) +#define print_alert_char(CH) printk_alert ("%c", (CH)) +#define print_crit_char(CH) printk_crit ("%c", (CH)) +#define print_err_char(CH) printk_err ("%c", (CH)) +#define print_warning_char(CH) printk_warning("%c", (CH)) +#define print_notice_char(CH) printk_notice ("%c", (CH)) +#define print_info_char(CH) printk_info ("%c", (CH)) +#define print_debug_char(CH) printk_debug ("%c", (CH)) +#define print_spew_char(CH) printk_spew ("%c", (CH)) + +#define print_emerg_hex8(HEX) printk_emerg ("%08x", (HEX)) +#define print_alert_hex8(HEX) printk_alert ("%08x", (HEX)) +#define print_crit_hex8(HEX) printk_crit ("%08x", (HEX)) +#define print_err_hex8(HEX) printk_err ("%08x", (HEX)) +#define print_warning_hex8(HEX) printk_warning("%08x", (HEX)) +#define print_notice_hex8(HEX) printk_notice ("%08x", (HEX)) +#define print_info_hex8(HEX) printk_info ("%08x", (HEX)) +#define print_debug_hex8(HEX) printk_debug ("%08x", (HEX)) +#define print_spew_hex8(HEX) printk_spew ("%08x", (HEX)) + +#define print_emerg_hex16(HEX) printk_emerg ("%016x", (HEX)) +#define print_alert_hex16(HEX) printk_alert ("%016x", (HEX)) +#define print_crit_hex16(HEX) printk_crit ("%016x", (HEX)) +#define print_err_hex16(HEX) printk_err ("%016x", (HEX)) +#define print_warning_hex16(HEX) printk_warning("%016x", (HEX)) +#define print_notice_hex16(HEX) printk_notice ("%016x", (HEX)) +#define print_info_hex16(HEX) printk_info ("%016x", (HEX)) +#define print_debug_hex16(HEX) printk_debug ("%016x", (HEX)) +#define print_spew_hex16(HEX) printk_spew ("%016x", (HEX)) + +#define print_emerg_hex32(HEX) printk_emerg ("%032x", (HEX)) +#define print_alert_hex32(HEX) printk_alert ("%032x", (HEX)) +#define print_crit_hex32(HEX) printk_crit ("%032x", (HEX)) +#define print_err_hex32(HEX) printk_err ("%032x", (HEX)) +#define print_warning_hex32(HEX) printk_warning("%032x", (HEX)) +#define print_notice_hex32(HEX) printk_notice ("%032x", (HEX)) +#define print_info_hex32(HEX) printk_info ("%032x", (HEX)) +#define print_debug_hex32(HEX) printk_debug ("%032x", (HEX)) +#define print_spew_hex32(HEX) printk_spew ("%032x", (HEX)) #endif /* CONSOLE_CONSOLE_H_ */ diff --git a/src/include/cpu/p6/apic.h b/src/include/cpu/p6/apic.h index 65a14603f5..7e8b2f4938 100644 --- a/src/include/cpu/p6/apic.h +++ b/src/include/cpu/p6/apic.h @@ -76,12 +76,40 @@ #define APIC_MODE_EXINT 0x7 #define APIC_LVT1 0x360 #define APIC_LVTERR 0x370 +#define APIC_TMICT 0x380 +#define APIC_TMCCT 0x390 +#define APIC_TDCR 0x3E0 +#define APIC_TDR_DIV_TMBASE (1<<2) +#define APIC_TDR_DIV_1 0xB +#define APIC_TDR_DIV_2 0x0 +#define APIC_TDR_DIV_4 0x1 +#define APIC_TDR_DIV_8 0x2 +#define APIC_TDR_DIV_16 0x3 +#define APIC_TDR_DIV_32 0x8 +#define APIC_TDR_DIV_64 0x9 +#define APIC_TDR_DIV_128 0xA + +#if defined(__ROMCC__) || !defined(ASSEMBLY) +static inline unsigned long apic_read(unsigned long reg) +{ + return *((volatile unsigned long *)(APIC_DEFAULT_BASE+reg)); +} -#if !defined(ASSEMBLY) +static inline void apic_write(unsigned long reg, unsigned long v) +{ + *((volatile unsigned long *)(APIC_DEFAULT_BASE+reg)) = v; +} + +static inline void apic_wait_icr_idle(void) +{ + do { } while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY ); +} -#include <console/console.h> +#endif + +#if !defined(ASSEMBLY) #define xchg(ptr,v) ((__typeof__(*(ptr)))__xchg((unsigned long)(v),(ptr),sizeof(*(ptr)))) @@ -119,25 +147,11 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz } -static inline unsigned long apic_read(unsigned long reg) -{ - return *((volatile unsigned long *)(APIC_DEFAULT_BASE+reg)); -} - extern inline void apic_write_atomic(unsigned long reg, unsigned long v) { xchg((volatile unsigned long *)(APIC_DEFAULT_BASE+reg), v); } -static inline void apic_write(unsigned long reg, unsigned long v) -{ - *((volatile unsigned long *)(APIC_DEFAULT_BASE+reg)) = v; -} - -static inline void apic_wait_icr_idle(void) -{ - do { } while ( apic_read( APIC_ICR ) & APIC_ICR_BUSY ); -} #ifdef CONFIG_X86_GOOD_APIC # define FORCE_READ_AROUND_WRITE 0 diff --git a/src/include/cpu/p6/msr.h b/src/include/cpu/p6/msr.h index 4977b0201d..d7632ba6de 100644 --- a/src/include/cpu/p6/msr.h +++ b/src/include/cpu/p6/msr.h @@ -1,33 +1,101 @@ #ifndef CPU_P6_MSR_H #define CPU_P6_MSR_H -/* - * Access to machine-specific registers (available on 586 and better only) - * Note: the rd* operations modify the parameters directly (without using - * pointer indirection), this allows gcc to optimize better - */ - -#define rdmsr(msr,val1,val2) \ - __asm__ __volatile__("rdmsr" \ - : "=a" (val1), "=d" (val2) \ - : "c" (msr)) - -#define wrmsr(msr,val1,val2) \ - __asm__ __volatile__("wrmsr" \ - : /* no outputs */ \ - : "c" (msr), "a" (val1), "d" (val2)) - -#define rdtsc(low,high) \ - __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high)) - -#define rdtscl(low) \ - __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx") - -#define rdtscll(val) \ - __asm__ __volatile__ ("rdtsc" : "=A" (val)) - -#define rdpmc(counter,low,high) \ - __asm__ __volatile__("rdpmc" \ - : "=a" (low), "=d" (high) \ - : "c" (counter)) + +#ifdef __ROMCC__ + +typedef __builtin_msr_t msr_t; + +static msr_t rdmsr(unsigned long index) +{ + return __builtin_rdmsr(index); +} + +static void wrmsr(unsigned long index, msr_t msr) +{ + __builtin_wrmsr(index, msr.lo, msr.hi); +} + + +struct tsc_struct { + unsigned lo; + unsigned hi; +}; +typedef struct tsc_struct tsc_t; + +static tsc_t rdtsc(void) +{ + tsc_t res; + asm ("rdtsc" + : "=a" (res.lo), "=d"(res.hi) /* outputs */ + : /* inputs */ + : /* Clobbers */ + ); + return res; +} +#endif + +#ifdef __GNUC__ + +typedef struct msr_struct +{ + unsigned lo; + unsigned hi; +} msr_t; + +static inline msr_t rdmsr(unsigned index) +{ + msr_t result; + __asm__ __volatile__ ( + "rdmsr" + : "=a" (result.lo), "=d" (result.hi) + : "c" (index) + ); + return result; +} + +static inline void wrmsr(unsigned index, msr_t msr) +{ + __asm__ __volatile__ ( + "wrmsr" + : /* No outputs */ + : "c" (index), "a" (msr.lo), "d" (msr.hi) + ); +} + +typedef struct tsc_struct +{ + unsigned lo; + unsigned hi; +} tsc_t; + +static inline tsc_t rdtsc(void) +{ + tsc_t result; + __asm__ __volatile__( + "rdtsc" + : "=a" (result.lo), "=d" (result.hi) + ); + return result; +} + +typedef struct pmc_struct +{ + unsigned lo; + unsigned hi; +} pmc_t; + +static inline pmc_t rdpmc(unsigned counter) +{ + pmc_t result; + __asm__ __volatile__( + "rdpmc" + : "=a" (result.lo), "=d" (result.hi) + : "c" (counter) + ); + return result; +} + +#endif + #endif /* CPU_P6_MSR_H */ diff --git a/src/include/delay.h b/src/include/delay.h index bffb719a55..57bff0b637 100644 --- a/src/include/delay.h +++ b/src/include/delay.h @@ -1,8 +1,11 @@ #ifndef DELAY_H #define DELAY_H +#ifndef __ROMCC__ -void udelay(int usecs); -void mdelay(int msecs); -void delay(int secs); +void init_timer(void); +void udelay(unsigned usecs); +void mdelay(unsigned msecs); +void delay(unsigned secs); +#endif #endif /* DELAY_H */ diff --git a/src/include/device/pnp.h b/src/include/device/pnp.h new file mode 100644 index 0000000000..0d39fc1663 --- /dev/null +++ b/src/include/device/pnp.h @@ -0,0 +1,58 @@ +#ifndef DEVICE_PNP_H +#define DEVICE_PNP_H + +static inline void pnp_write_config(unsigned char port, unsigned char value, unsigned char reg) +{ + outb(reg, port); + outb(value, port +1); +} + +static inline unsigned char pnp_read_config(unsigned char port, unsigned char reg) +{ + outb(reg, port); + return inb(port +1); +} + +static inline void pnp_set_logical_device(unsigned char port, int device) +{ + pnp_write_config(port, device, 0x07); +} + +static inline void pnp_set_enable(unsigned char port, int enable) +{ + pnp_write_config(port, enable?0x1:0x0, 0x30); +} + +static inline int pnp_read_enable(unsigned char port) +{ + return !!pnp_read_config(port, 0x30); +} + +static inline void pnp_set_iobase0(unsigned char port, unsigned iobase) +{ + pnp_write_config(port, (iobase >> 8) & 0xff, 0x60); + pnp_write_config(port, iobase & 0xff, 0x61); +} + +static inline void pnp_set_iobase1(unsigned char port, unsigned iobase) +{ + pnp_write_config(port, (iobase >> 8) & 0xff, 0x62); + pnp_write_config(port, iobase & 0xff, 0x63); +} + +static inline void pnp_set_irq0(unsigned char port, unsigned irq) +{ + pnp_write_config(port, irq, 0x70); +} + +static inline void pnp_set_irq1(unsigned char port, unsigned irq) +{ + pnp_write_config(port, irq, 0x72); +} + +static inline void pnp_set_drq(unsigned char port, unsigned drq) +{ + pnp_write_config(port, drq & 0xff, 0x74); +} + +#endif /* DEVICE_PNP_H */ diff --git a/src/include/smp/start_stop.h b/src/include/smp/start_stop.h index c0eebd0e2c..84fd331ccc 100644 --- a/src/include/smp/start_stop.h +++ b/src/include/smp/start_stop.h @@ -1,7 +1,7 @@ #ifndef SMP_START_STOP_H #define SMP_START_STOP_H -#if SMP == 1 +#if CONFIG_SMP == 1 #include <smp/atomic.h> unsigned long this_processors_id(void); int processor_index(unsigned long processor_id); diff --git a/src/lib/delay.c b/src/lib/delay.c index af5f78613e..207c6294dd 100644 --- a/src/lib/delay.c +++ b/src/lib/delay.c @@ -1,14 +1,14 @@ #include <delay.h> -void mdelay(int msecs) +void mdelay(unsigned msecs) { - int i; + unsigned i; for(i = 0; i < msecs; i++) { udelay(1000); } } -void delay(int secs) +void delay(unsigned secs) { - int i; + unsigned i; for(i = 0; i < secs; i++) { mdelay(1000); } diff --git a/src/mainboard/arima/hdama/auto.c b/src/mainboard/arima/hdama/auto.c index 3a361c4810..83f7598822 100644 --- a/src/mainboard/arima/hdama/auto.c +++ b/src/mainboard/arima/hdama/auto.c @@ -1,225 +1,21 @@ #define ASSEMBLY 1 #include <stdint.h> #include <device/pci_def.h> -#include "arch/romcc_io.h" +#include <cpu/p6/apic.h> +#include <arch/io.h> +#include <device/pnp.h> +#include <arch/romcc_io.h> #include "pc80/serial.c" #include "arch/i386/lib/console.c" #include "ram/ramtest.c" #include "northbridge/amd/amdk8/early_ht.c" #include "southbridge/amd/amd8111/amd8111_early_smbus.c" #include "northbridge/amd/amdk8/raminit.h" - - -static void print_debug_pci_dev(unsigned dev) -{ - print_debug("PCI: "); - print_debug_hex8((dev >> 16) & 0xff); - print_debug_char(':'); - print_debug_hex8((dev >> 11) & 0x1f); - print_debug_char('.'); - print_debug_hex8((dev >> 8) & 7); -} - -static void print_pci_devices(void) -{ - device_t dev; - for(dev = PCI_DEV(0, 0, 0); - dev <= PCI_DEV(0, 0x1f, 0x7); - dev += PCI_DEV(0,0,1)) { - uint32_t id; - id = pci_read_config32(dev, PCI_VENDOR_ID); - if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) || - (((id >> 16) & 0xffff) == 0xffff) || - (((id >> 16) & 0xffff) == 0x0000)) { - continue; - } - print_debug_pci_dev(dev); - print_debug("\r\n"); - } -} - -static void dump_pci_device(unsigned dev) -{ - int i; - print_debug_pci_dev(dev); - print_debug("\r\n"); - - for(i = 0; i <= 255; i++) { - unsigned char val; - if ((i & 0x0f) == 0) { - print_debug_hex8(i); - print_debug_char(':'); - } - val = pci_read_config8(dev, i); - print_debug_char(' '); - print_debug_hex8(val); - if ((i & 0x0f) == 0x0f) { - print_debug("\r\n"); - } - } -} - -static void dump_pci_devices(void) -{ - device_t dev; - for(dev = PCI_DEV(0, 0, 0); - dev <= PCI_DEV(0, 0x1f, 0x7); - dev += PCI_DEV(0,0,1)) { - uint32_t id; - id = pci_read_config32(dev, PCI_VENDOR_ID); - if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) || - (((id >> 16) & 0xffff) == 0xffff) || - (((id >> 16) & 0xffff) == 0x0000)) { - continue; - } - dump_pci_device(dev); - } -} - -static void dump_spd_registers(const struct mem_controller *ctrl) -{ - int i; - print_debug("\r\n"); - for(i = 0; i < 4; i++) { - unsigned device; - device = ctrl->channel0[i]; - if (device) { - int j; - print_debug("dimm: "); - print_debug_hex8(i); - print_debug(".0: "); - print_debug_hex8(device); - for(j = 0; j < 256; j++) { - int status; - unsigned char byte; - if ((j & 0xf) == 0) { - print_debug("\r\n"); - print_debug_hex8(j); - print_debug(": "); - } - status = smbus_read_byte(device, j); - if (status < 0) { - print_debug("bad device\r\n"); - break; - } - byte = status & 0xff; - print_debug_hex8(byte); - print_debug_char(' '); - } - print_debug("\r\n"); - } - device = ctrl->channel1[i]; - if (device) { - int j; - print_debug("dimm: "); - print_debug_hex8(i); - print_debug(".1: "); - print_debug_hex8(device); - for(j = 0; j < 256; j++) { - int status; - unsigned char byte; - if ((j & 0xf) == 0) { - print_debug("\r\n"); - print_debug_hex8(j); - print_debug(": "); - } - status = smbus_read_byte(device, j); - if (status < 0) { - print_debug("bad device\r\n"); - break; - } - byte = status & 0xff; - print_debug_hex8(byte); - print_debug_char(' '); - } - print_debug("\r\n"); - } - } -} - -#warning "FIXME move these delay functions somewhere more appropriate" -#warning "FIXME use the apic timer instead it needs no calibration on an Opteron it runs at 200Mhz" -static void print_clock_multiplier(void) -{ - msr_t msr; - print_debug("clock multipler: 0x"); - msr = rdmsr(0xc0010042); - print_debug_hex32(msr.lo & 0x3f); - print_debug(" = 0x"); - print_debug_hex32(((msr.lo & 0x3f) + 8) * 100); - print_debug("Mhz\r\n"); -} - -static unsigned usecs_to_ticks(unsigned usecs) -{ -#warning "FIXME make usecs_to_ticks work properly" -#if 1 - return usecs *2000; -#else - /* This can only be done if cpuid says fid changing is supported - * I need to look up the base frequency another way for other - * cpus. Is it worth dedicating a global register to this? - * Are the PET timers useable for this purpose? - */ - msr_t msr; - msr = rdmsr(0xc0010042); - return ((msr.lo & 0x3f) + 8) * 100 *usecs; -#endif -} - -static void init_apic_timer(void) -{ - volatile uint32_t *apic_reg = (volatile uint32_t *)0xfee00000; - uint32_t start, end; - /* Set the apic timer to no interrupts and periodic mode */ - apic_reg[0x320 >> 2] = (1 << 17)|(1<< 16)|(0 << 12)|(0 << 0); - /* Set the divider to 1, no divider */ - apic_reg[0x3e0 >> 2] = (1 << 3) | 3; - /* Set the initial counter to 0xffffffff */ - apic_reg[0x380 >> 2] = 0xffffffff; -} - -static void udelay(unsigned usecs) -{ -#if 1 - uint32_t start, ticks; - tsc_t tsc; - /* Calculate the number of ticks to run for */ - ticks = usecs_to_ticks(usecs); - /* Find the current time */ - tsc = rdtsc(); - start = tsc.lo; - do { - tsc = rdtsc(); - } while((tsc.lo - start) < ticks); -#else - volatile uint32_t *apic_reg = (volatile uint32_t *)0xfee00000; - uint32_t start, value, ticks; - /* Calculate the number of ticks to run for */ - ticks = usecs * 200; - start = apic_reg[0x390 >> 2]; - do { - value = apic_reg[0x390 >> 2]; - } while((start - value) < ticks); -#endif -} - -static void mdelay(unsigned msecs) -{ - int i; - for(i = 0; i < msecs; i++) { - udelay(1000); - } -} - -static void delay(unsigned secs) -{ - int i; - for(i = 0; i < secs; i++) { - mdelay(1000); - } -} - +#include "cpu/k8/apic_timer.c" +#include "lib/delay.c" +#include "cpu/p6/boot_cpu.c" +#include "northbridge/amd/amdk8/reset_test.c" +#include "debug.c" static void memreset_setup(const struct mem_controller *ctrl) { @@ -285,112 +81,39 @@ static unsigned int generate_row(uint8_t node, uint8_t row, uint8_t maxnodes) #include "northbridge/amd/amdk8/coherent_ht.c" #include "sdram/generic_sdram.c" -#define NODE_ID 0x60 -#define HT_INIT_CONTROL 0x6c - -#define HTIC_ColdR_Detect (1<<4) -#define HTIC_BIOSR_Detect (1<<5) -#define HTIC_INIT_Detect (1<<6) -static int boot_cpu(void) +static void enable_lapic(void) { - volatile unsigned long *local_apic; - unsigned long apic_id; - int bsp; + msr_t msr; msr = rdmsr(0x1b); - bsp = !!(msr.lo & (1 << 8)); - if (bsp) { - print_debug("Bootstrap cpu\r\n"); - } - - return bsp; + msr.hi &= 0xffffff00; + msr.lo &= 0x000007ff; + msr.lo |= APIC_DEFAULT_BASE | (1 << 11); + wrmsr(0x1b, msr); } -static int cpu_init_detected(void) +static void stop_this_cpu(void) { - unsigned long dcl; - int cpu_init; + unsigned apicid; + apicid = apic_read(APIC_ID) >> 24; - unsigned long htic; + /* Send an APIC INIT to myself */ + apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(apicid)); + apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_INT_ASSERT | APIC_DM_INIT); + /* Wait for the ipi send to finish */ + apic_wait_icr_idle(); - htic = pci_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL); -#if 0 - print_debug("htic: "); - print_debug_hex32(htic); - print_debug("\r\n"); + /* Deassert the APIC INIT */ + apic_write(APIC_ICR2, SET_APIC_DEST_FIELD(apicid)); + apic_write(APIC_ICR, APIC_INT_LEVELTRIG | APIC_DM_INIT); + /* Wait for the ipi send to finish */ + apic_wait_icr_idle(); - if (!(htic & HTIC_ColdR_Detect)) { - print_debug("Cold Reset.\r\n"); + /* If I haven't halted spin forever */ + for(;;) { + hlt(); } - if ((htic & HTIC_ColdR_Detect) && !(htic & HTIC_BIOSR_Detect)) { - print_debug("BIOS generated Reset.\r\n"); - } - if (htic & HTIC_INIT_Detect) { - print_debug("Init event.\r\n"); - } -#endif - cpu_init = (htic & HTIC_INIT_Detect); - if (cpu_init) { - print_debug("CPU INIT Detected.\r\n"); - } - return cpu_init; -} - - - -static void pnp_write_config(unsigned char port, unsigned char value, unsigned char reg) -{ - outb(reg, port); - outb(value, port +1); -} - -static unsigned char pnp_read_config(unsigned char port, unsigned char reg) -{ - outb(reg, port); - return inb(port +1); -} - -static void pnp_set_logical_device(unsigned char port, int device) -{ - pnp_write_config(port, device, 0x07); -} - -static void pnp_set_enable(unsigned char port, int enable) -{ - pnp_write_config(port, enable?0x1:0x0, 0x30); -} - -static int pnp_read_enable(unsigned char port) -{ - return !!pnp_read_config(port, 0x30); -} - -static void pnp_set_iobase0(unsigned char port, unsigned iobase) -{ - pnp_write_config(port, (iobase >> 8) & 0xff, 0x60); - pnp_write_config(port, iobase & 0xff, 0x61); -} - -static void pnp_set_iobase1(unsigned char port, unsigned iobase) -{ - pnp_write_config(port, (iobase >> 8) & 0xff, 0x62); - pnp_write_config(port, iobase & 0xff, 0x63); -} - -static void pnp_set_irq0(unsigned char port, unsigned irq) -{ - pnp_write_config(port, irq, 0x70); -} - -static void pnp_set_irq1(unsigned char port, unsigned irq) -{ - pnp_write_config(port, irq, 0x72); -} - -static void pnp_set_drq(unsigned char port, unsigned drq) -{ - pnp_write_config(port, drq & 0xff, 0x74); } #define PC87360_FDC 0x00 @@ -435,46 +158,51 @@ static void main(void) .channel0 = { (0xa<<3)|4, (0xa<<3)|6, 0, 0 }, .channel1 = { (0xa<<3)|5, (0xa<<3)|7, 0, 0 }, }; + if (cpu_init_detected()) { + asm("jmp __cpu_reset"); + } pc87360_enable_serial(); uart_init(); console_init(); - if (boot_cpu() && !cpu_init_detected()) { -#if 0 - init_apic_timer(); + enable_lapic(); + if (!boot_cpu()) { + stop_this_cpu(); + } + init_timer(); + setup_default_resource_map(); + setup_coherent_ht_domain(); + enumerate_ht_chain(0); + distinguish_cpu_resets(); + +#if 1 + print_pci_devices(); #endif - setup_default_resource_map(); - setup_coherent_ht_domain(); - enumerate_ht_chain(); - print_pci_devices(); - enable_smbus(); + enable_smbus(); #if 0 - dump_spd_registers(&cpu0); + dump_spd_registers(&cpu0); #endif - sdram_initialize(&cpu0); + sdram_initialize(&cpu0); #if 1 - dump_pci_devices(); + dump_pci_devices(); #endif #if 0 - dump_pci_device(PCI_DEV(0, 0x18, 2)); + dump_pci_device(PCI_DEV(0, 0x18, 2)); #endif - /* Check all of memory */ + /* Check all of memory */ #if 0 - msr_t msr; - msr = rdmsr(TOP_MEM); - print_debug("TOP_MEM: "); - print_debug_hex32(msr.hi); - print_debug_hex32(msr.lo); - print_debug("\r\n"); + msr_t msr; + msr = rdmsr(TOP_MEM); + print_debug("TOP_MEM: "); + print_debug_hex32(msr.hi); + print_debug_hex32(msr.lo); + print_debug("\r\n"); #endif #if 0 - ram_check(0x00000000, msr.lo); + ram_check(0x00000000, msr.lo); #else -#if 1 - /* Check 16MB of memory */ - ram_check(0x00000000, 0x01000000); -#endif + /* Check 16MB of memory */ + ram_check(0x00000000, 0x01000000); #endif - } } diff --git a/src/mainboard/arima/hdama/failover.c b/src/mainboard/arima/hdama/failover.c index 017b03862f..8eeeaef7e1 100644 --- a/src/mainboard/arima/hdama/failover.c +++ b/src/mainboard/arima/hdama/failover.c @@ -2,22 +2,37 @@ #include <stdint.h> #include <device/pci_def.h> #include <device/pci_ids.h> +#include <arch/io.h> #include "arch/romcc_io.h" #include "pc80/mc146818rtc_early.c" #include "southbridge/amd/amd8111/amd8111_enable_rom.c" #include "northbridge/amd/amdk8/early_ht.c" +#include "cpu/p6/boot_cpu.c" +#include "northbridge/amd/amdk8/reset_test.c" static void main(void) { /* Nothing special needs to be done to find bus 0 */ /* Allow the HT devices to be found */ - enumerate_ht_chain(); + enumerate_ht_chain(0); /* Setup the 8111 */ amd8111_enable_rom(); - if (do_normal_boot()) { - /* Jump to the normal image */ + /* Is this a cpu reset? */ + if (cpu_init_detected()) { + if (last_boot_normal()) { + asm("jmp __normal_image"); + } else { + asm("jmp __cpu_reset"); + } + } + /* Is this a secondary cpu? */ + else if (!boot_cpu() && last_boot_normal()) { + asm("jmp __normal_image"); + } + /* This is the primary cpu how should I boot? */ + else if (do_normal_boot()) { asm("jmp __normal_image"); } } diff --git a/src/mainboard/arima/hdama/mainboard.c b/src/mainboard/arima/hdama/mainboard.c index 5690bd5afd..2118e83927 100644 --- a/src/mainboard/arima/hdama/mainboard.c +++ b/src/mainboard/arima/hdama/mainboard.c @@ -7,5 +7,5 @@ unsigned long initial_apicid[MAX_CPUS] = { - 0 + 0, 1, }; diff --git a/src/northbridge/amd/amdk8/coherent_ht.c b/src/northbridge/amd/amdk8/coherent_ht.c index 460284bc82..23ebd60e81 100644 --- a/src/northbridge/amd/amdk8/coherent_ht.c +++ b/src/northbridge/amd/amdk8/coherent_ht.c @@ -440,13 +440,7 @@ static void enable_routing(u8 node) print_debug_hex32(node); val=pci_read_config32(NODE_HT(node), 0x6c); - val |= (1 << 6) | (1 << 5) | (1 << 4); -#if 0 val &= ~((1<<1)|(1<<0)); -#else - /* Don't enable requests here as the indicated processor starts booting */ - val &= ~(1<<0); -#endif pci_write_config32(NODE_HT(node), 0x6c, val); print_debug(" done.\r\n"); @@ -456,7 +450,7 @@ static void enable_routing(u8 node) static void rename_temp_node(u8 node) { - u32 val; + uint32_t val; print_debug("Renaming current temp node to "); print_debug_hex32(node); @@ -678,8 +672,8 @@ static u8 setup_smp(void) /* We found 2 nodes so far */ setup_node(0, cpus); /* Node 1 is there. Setup Node 0 correctly */ setup_remote_node(1, cpus); /* Setup the routes on the remote node */ - enable_routing(7); /* Enable routing on Node 1 */ rename_temp_node(1); /* Rename Node 7 to Node 1 */ + enable_routing(1); /* Enable routing on Node 1 */ clear_temp_row(0); /* delete temporary connection */ @@ -716,14 +710,14 @@ static u8 setup_smp(void) setup_temp_row(0,2,cpus); setup_temp_node(2,cpus); - enable_routing(7); rename_temp_node(2); + enable_routing(2); setup_temp_row(0,1,cpus); setup_temp_row(1,3,cpus); setup_temp_node(3,cpus); - enable_routing(7); /* enable routing on node 3 (temp.) */ rename_temp_node(3); + enable_routing(3); /* enable routing on node 3 (temp.) */ clear_temp_row(0); clear_temp_row(1); @@ -820,13 +814,14 @@ static void coherent_ht_finalize(unsigned cpus) } #if 1 - print_debug("done\n"); + print_debug("done\r\n"); #endif } -static void setup_coherent_ht_domain(void) +static int setup_coherent_ht_domain(void) { unsigned cpus; + int reset_needed = 0; enable_bsp_routing(); @@ -837,6 +832,8 @@ static void setup_coherent_ht_domain(void) cpus=detect_mp_capabilities(cpus); #endif coherent_ht_finalize(cpus); + + return reset_needed; } #endif diff --git a/src/northbridge/amd/amdk8/early_ht.c b/src/northbridge/amd/amdk8/early_ht.c index b8262d519c..4de8fa1075 100644 --- a/src/northbridge/amd/amdk8/early_ht.c +++ b/src/northbridge/amd/amdk8/early_ht.c @@ -1,11 +1,12 @@ -static void enumerate_ht_chain(void) +static int enumerate_ht_chain(unsigned link) { /* Assumption the HT chain that is bus 0 has the HT I/O Hub on it. * On most boards this just happens. If a cpu has multiple * non Coherent links the appropriate bus registers for the * links needs to be programed to point at bus 0. */ - unsigned next_unitid, last_unitid;; + unsigned next_unitid, last_unitid; + int reset_needed = 0; next_unitid = 1; do { uint32_t id; @@ -46,4 +47,5 @@ static void enumerate_ht_chain(void) pos = pci_read_config8(PCI_DEV(0, 0, 0), pos + PCI_CAP_LIST_NEXT); } } while((last_unitid != next_unitid) && (next_unitid <= 0x1f)); + return reset_needed; } diff --git a/src/northbridge/amd/amdk8/raminit.c b/src/northbridge/amd/amdk8/raminit.c index fd5956743f..41a93b51e9 100644 --- a/src/northbridge/amd/amdk8/raminit.c +++ b/src/northbridge/amd/amdk8/raminit.c @@ -1135,7 +1135,7 @@ static void route_dram_accesses(const struct mem_controller *ctrl, pci_write_config32(ctrl->f1, 0x44, limit | (0 << 8) | (node_id << 0)); pci_write_config32(ctrl->f1, 0x40, base | (0 << 8) | (1<<1) | (1<<0)); -#if 0 +#if 1 pci_write_config32(PCI_DEV(0, 0x19, 1), 0x44, limit | (0 << 8) | (1 << 4) | (node_id << 0)); pci_write_config32(PCI_DEV(0, 0x19, 1), 0x40, base | (0 << 8) | (1<<1) | (1<<0)); #endif diff --git a/src/northbridge/amd/amdk8/reset_test.c b/src/northbridge/amd/amdk8/reset_test.c new file mode 100644 index 0000000000..949bd7cc15 --- /dev/null +++ b/src/northbridge/amd/amdk8/reset_test.c @@ -0,0 +1,43 @@ +#include <stdint.h> +#define NODE_ID 0x60 +#define HT_INIT_CONTROL 0x6c + +#define HTIC_ColdR_Detect (1<<4) +#define HTIC_BIOSR_Detect (1<<5) +#define HTIC_INIT_Detect (1<<6) + + +static int cpu_init_detected(void) +{ + unsigned long dcl; + int cpu_init; + + unsigned long htic; + + htic = pci_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL); +#if 0 + print_debug("htic: "); + print_debug_hex32(htic); + print_debug("\r\n"); + + if (!(htic & HTIC_ColdR_Detect)) { + print_debug("Cold Reset.\r\n"); + } + if ((htic & HTIC_ColdR_Detect) && !(htic & HTIC_BIOSR_Detect)) { + print_debug("BIOS generated Reset.\r\n"); + } + if (htic & HTIC_INIT_Detect) { + print_debug("Init event.\r\n"); + } +#endif + cpu_init = (htic & HTIC_INIT_Detect); + return cpu_init; +} + +static void distinguish_cpu_resets(void) +{ + uint32_t htic; + htic = pci_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL); + htic |= HTIC_ColdR_Detect | HTIC_BIOSR_Detect | HTIC_INIT_Detect; + pci_write_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL, htic); +} diff --git a/src/pc80/mc146818rtc_early.c b/src/pc80/mc146818rtc_early.c index 96f8f5d0a4..30369455fe 100644 --- a/src/pc80/mc146818rtc_early.c +++ b/src/pc80/mc146818rtc_early.c @@ -4,7 +4,7 @@ #ifndef MAX_REBOOT_CNT #error "MAX_REBOOT_CNT not defined" #endif -#if MAX_REBOOT_CNT > 15 +#if MAX_REBOOT_CNT > 14 #error "MAX_REBOOT_CNT too high" #endif @@ -47,6 +47,13 @@ static int cmos_chksum_valid(void) } +static int last_boot_normal(void) +{ + unsigned char byte; + byte = cmos_read(RTC_BOOT_BYTE); + return (byte & (1 << 1)); +} + static int do_normal_boot(void) { unsigned char byte; |