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-rw-r--r--arch/x86/config.mk7
-rw-r--r--arch/x86/cpu/cpu.c23
-rw-r--r--arch/x86/cpu/interrupts.c53
-rw-r--r--arch/x86/cpu/sc520/asm-offsets.c45
-rw-r--r--arch/x86/cpu/sc520/sc520.c2
-rw-r--r--arch/x86/cpu/sc520/sc520_car.S3
-rw-r--r--arch/x86/cpu/sc520/sc520_pci.c28
-rw-r--r--arch/x86/cpu/sc520/sc520_sdram.c53
-rw-r--r--arch/x86/cpu/sc520/sc520_ssi.c43
-rw-r--r--arch/x86/cpu/sc520/sc520_timer.c4
-rw-r--r--arch/x86/cpu/start.S30
-rw-r--r--arch/x86/cpu/start16.S3
-rw-r--r--arch/x86/include/asm/arch-sc520/sc520.h26
-rw-r--r--arch/x86/include/asm/global_data.h21
-rw-r--r--arch/x86/include/asm/pci.h5
-rw-r--r--arch/x86/include/asm/realmode.h4
-rw-r--r--arch/x86/include/asm/string.h2
-rw-r--r--arch/x86/include/asm/u-boot-x86.h8
-rw-r--r--arch/x86/lib/Makefile25
-rw-r--r--arch/x86/lib/bios.h201
-rw-r--r--arch/x86/lib/bios_pci.S92
-rw-r--r--arch/x86/lib/bios_setup.c96
-rw-r--r--arch/x86/lib/board.c147
-rw-r--r--arch/x86/lib/bootm.c27
-rw-r--r--arch/x86/lib/gcc.c38
-rw-r--r--arch/x86/lib/interrupts.c20
-rw-r--r--arch/x86/lib/pcat_interrupts.c2
-rw-r--r--arch/x86/lib/pcat_timer.c37
-rw-r--r--arch/x86/lib/pci.c98
-rw-r--r--arch/x86/lib/pci_type1.c13
-rw-r--r--arch/x86/lib/realmode.c23
-rw-r--r--arch/x86/lib/string.c87
-rw-r--r--arch/x86/lib/timer.c16
-rw-r--r--arch/x86/lib/video.c6
-rw-r--r--arch/x86/lib/video_bios.c130
-rw-r--r--arch/x86/lib/zimage.c94
36 files changed, 867 insertions, 645 deletions
diff --git a/arch/x86/config.mk b/arch/x86/config.mk
index fe9083f626..23cacffded 100644
--- a/arch/x86/config.mk
+++ b/arch/x86/config.mk
@@ -41,3 +41,10 @@ PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions
LDFLAGS_FINAL += --gc-sections -pie
+LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
+LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
+
+NORMAL_LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
+PREFIXED_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/$(shell basename $(NORMAL_LIBGCC))
+
+export USE_PRIVATE_LIBGCC=$(shell dirname $(PREFIXED_LIBGCC))
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index cac12c088c..61d0b69416 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -37,6 +37,7 @@
#include <asm/processor.h>
#include <asm/processor-flags.h>
#include <asm/interrupt.h>
+#include <linux/compiler.h>
/*
* Constructor for a conventional segment GDT (or LDT) entry
@@ -52,7 +53,7 @@
struct gdt_ptr {
u16 len;
u32 ptr;
-} __attribute__((packed));
+} __packed;
static void reload_gdt(void)
{
@@ -115,14 +116,14 @@ int x86_cpu_init_r(void)
reload_gdt();
/* Initialize core interrupt and exception functionality of CPU */
- cpu_init_interrupts ();
+ cpu_init_interrupts();
return 0;
}
int cpu_init_r(void) __attribute__((weak, alias("x86_cpu_init_r")));
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- printf ("resetting ...\n");
+ printf("resetting ...\n");
/* wait 50 ms */
udelay(50000);
@@ -133,7 +134,7 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return 0;
}
-void flush_cache (unsigned long dummy1, unsigned long dummy2)
+void flush_cache(unsigned long dummy1, unsigned long dummy2)
{
asm("wbinvd\n");
}
@@ -142,16 +143,16 @@ void __attribute__ ((regparm(0))) generate_gpf(void);
/* segment 0x70 is an arbitrary segment which does not exist */
asm(".globl generate_gpf\n"
- ".hidden generate_gpf\n"
- ".type generate_gpf, @function\n"
- "generate_gpf:\n"
- "ljmp $0x70, $0x47114711\n");
+ ".hidden generate_gpf\n"
+ ".type generate_gpf, @function\n"
+ "generate_gpf:\n"
+ "ljmp $0x70, $0x47114711\n");
void __reset_cpu(ulong addr)
{
printf("Resetting using x86 Triple Fault\n");
- set_vector(13, generate_gpf); /* general protection fault handler */
- set_vector(8, generate_gpf); /* double fault handler */
- generate_gpf(); /* start the show */
+ set_vector(13, generate_gpf); /* general protection fault handler */
+ set_vector(8, generate_gpf); /* double fault handler */
+ generate_gpf(); /* start the show */
}
void reset_cpu(ulong addr) __attribute__((weak, alias("__reset_cpu")));
diff --git a/arch/x86/cpu/interrupts.c b/arch/x86/cpu/interrupts.c
index c6e72eaa63..e0958eb67f 100644
--- a/arch/x86/cpu/interrupts.c
+++ b/arch/x86/cpu/interrupts.c
@@ -31,6 +31,7 @@
#include <asm/interrupt.h>
#include <asm/io.h>
#include <asm/processor-flags.h>
+#include <linux/compiler.h>
#define DECLARE_INTERRUPT(x) \
".globl irq_"#x"\n" \
@@ -83,22 +84,22 @@ static inline unsigned long get_debugreg(int regno)
switch (regno) {
case 0:
- asm("mov %%db0, %0" :"=r" (val));
+ asm("mov %%db0, %0" : "=r" (val));
break;
case 1:
- asm("mov %%db1, %0" :"=r" (val));
+ asm("mov %%db1, %0" : "=r" (val));
break;
case 2:
- asm("mov %%db2, %0" :"=r" (val));
+ asm("mov %%db2, %0" : "=r" (val));
break;
case 3:
- asm("mov %%db3, %0" :"=r" (val));
+ asm("mov %%db3, %0" : "=r" (val));
break;
case 6:
- asm("mov %%db6, %0" :"=r" (val));
+ asm("mov %%db6, %0" : "=r" (val));
break;
case 7:
- asm("mov %%db7, %0" :"=r" (val));
+ asm("mov %%db7, %0" : "=r" (val));
break;
default:
val = 0;
@@ -120,7 +121,8 @@ void dump_regs(struct irq_regs *regs)
printf("ESI: %08lx EDI: %08lx EBP: %08lx ESP: %08lx\n",
regs->esi, regs->edi, regs->ebp, regs->esp);
printf(" DS: %04x ES: %04x FS: %04x GS: %04x SS: %04x\n",
- (u16)regs->xds, (u16)regs->xes, (u16)regs->xfs, (u16)regs->xgs, (u16)regs->xss);
+ (u16)regs->xds, (u16)regs->xes, (u16)regs->xfs,
+ (u16)regs->xgs, (u16)regs->xss);
cr0 = read_cr0();
cr2 = read_cr2();
@@ -164,21 +166,21 @@ struct idt_entry {
u8 res;
u8 access;
u16 base_high;
-} __attribute__ ((packed));
+} __packed;
struct desc_ptr {
unsigned short size;
unsigned long address;
unsigned short segment;
-} __attribute__((packed));
+} __packed;
-struct idt_entry idt[256];
+struct idt_entry idt[256] __attribute__((aligned(16)));
struct desc_ptr idt_ptr;
static inline void load_idt(const struct desc_ptr *dtr)
{
- asm volatile("cs lidt %0"::"m" (*dtr));
+ asm volatile("cs lidt %0" : : "m" (*dtr));
}
void set_vector(u8 intnum, void *routine)
@@ -187,6 +189,11 @@ void set_vector(u8 intnum, void *routine)
idt[intnum].base_low = (u16)((u32)(routine) & 0xffff);
}
+/*
+ * Ideally these would be defined static to avoid a checkpatch warning, but
+ * the compiler cannot see them in the inline asm and complains that they
+ * aren't defined
+ */
void irq_0(void);
void irq_1(void);
@@ -201,7 +208,7 @@ int cpu_init_interrupts(void)
disable_interrupts();
/* Setup the IDT */
- for (i=0;i<256;i++) {
+ for (i = 0; i < 256; i++) {
idt[i].access = 0x8e;
idt[i].res = 0;
idt[i].selector = 0x10;
@@ -238,7 +245,7 @@ int disable_interrupts(void)
asm volatile ("pushfl ; popl %0 ; cli\n" : "=g" (flags) : );
- return flags & X86_EFLAGS_IF; /* IE flags is bit 9 */
+ return flags & X86_EFLAGS_IF;
}
/* IRQ Low-Level Service Routine */
@@ -255,7 +262,7 @@ void irq_llsr(struct irq_regs *regs)
case 0x00:
printf("Divide Error (Division by zero)\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x01:
printf("Debug Interrupt (Single step)\n");
@@ -272,32 +279,32 @@ void irq_llsr(struct irq_regs *regs)
case 0x04:
printf("Overflow\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x05:
printf("BOUND Range Exceeded\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x06:
printf("Invalid Opcode (UnDefined Opcode)\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x07:
printf("Device Not Available (No Math Coprocessor)\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x08:
printf("Double fault\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x09:
printf("Co-processor segment overrun\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x0a:
printf("Invalid TSS\n");
@@ -306,12 +313,12 @@ void irq_llsr(struct irq_regs *regs)
case 0x0b:
printf("Segment Not Present\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x0c:
printf("Stack Segment Fault\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x0d:
printf("General Protection\n");
@@ -320,7 +327,7 @@ void irq_llsr(struct irq_regs *regs)
case 0x0e:
printf("Page fault\n");
dump_regs(regs);
- while(1);
+ hang();
break;
case 0x0f:
printf("Floating-Point Error (Math Fault)\n");
diff --git a/arch/x86/cpu/sc520/asm-offsets.c b/arch/x86/cpu/sc520/asm-offsets.c
new file mode 100644
index 0000000000..794f00cdb9
--- /dev/null
+++ b/arch/x86/cpu/sc520/asm-offsets.c
@@ -0,0 +1,45 @@
+/*
+ * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
+ *
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+#include <asm/arch/sc520.h>
+
+#include <linux/kbuild.h>
+
+int main(void)
+{
+ DEFINE(GENERATED_GD_RELOC_OFF, offsetof(gd_t, reloc_off));
+
+ DEFINE(GENERATED_SC520_PAR0, offsetof(struct sc520_mmcr, par[0]));
+ DEFINE(GENERATED_SC520_PAR1, offsetof(struct sc520_mmcr, par[1]));
+ DEFINE(GENERATED_SC520_PAR2, offsetof(struct sc520_mmcr, par[2]));
+ DEFINE(GENERATED_SC520_PAR3, offsetof(struct sc520_mmcr, par[3]));
+ DEFINE(GENERATED_SC520_PAR4, offsetof(struct sc520_mmcr, par[4]));
+ DEFINE(GENERATED_SC520_PAR5, offsetof(struct sc520_mmcr, par[5]));
+ DEFINE(GENERATED_SC520_PAR6, offsetof(struct sc520_mmcr, par[6]));
+ DEFINE(GENERATED_SC520_PAR7, offsetof(struct sc520_mmcr, par[7]));
+ DEFINE(GENERATED_SC520_PAR8, offsetof(struct sc520_mmcr, par[8]));
+ DEFINE(GENERATED_SC520_PAR9, offsetof(struct sc520_mmcr, par[9]));
+ DEFINE(GENERATED_SC520_PAR10, offsetof(struct sc520_mmcr, par[10]));
+ DEFINE(GENERATED_SC520_PAR11, offsetof(struct sc520_mmcr, par[11]));
+ DEFINE(GENERATED_SC520_PAR12, offsetof(struct sc520_mmcr, par[12]));
+ DEFINE(GENERATED_SC520_PAR13, offsetof(struct sc520_mmcr, par[13]));
+ DEFINE(GENERATED_SC520_PAR14, offsetof(struct sc520_mmcr, par[14]));
+ DEFINE(GENERATED_SC520_PAR15, offsetof(struct sc520_mmcr, par[15]));
+
+ return 0;
+}
diff --git a/arch/x86/cpu/sc520/sc520.c b/arch/x86/cpu/sc520/sc520.c
index 4892c0153f..3fe85e7648 100644
--- a/arch/x86/cpu/sc520/sc520.c
+++ b/arch/x86/cpu/sc520/sc520.c
@@ -49,7 +49,7 @@ int cpu_init_f(void)
asm("movl $0x2000, %%ecx\n"
"0: pushl %%ecx\n"
"popl %%ecx\n"
- "loop 0b\n": : : "ecx");
+ "loop 0b\n" : : : "ecx");
return x86_cpu_init_f();
}
diff --git a/arch/x86/cpu/sc520/sc520_car.S b/arch/x86/cpu/sc520/sc520_car.S
index 7cac4d1def..c04cc1f116 100644
--- a/arch/x86/cpu/sc520/sc520_car.S
+++ b/arch/x86/cpu/sc520/sc520_car.S
@@ -24,6 +24,7 @@
#include <config.h>
#include <asm/processor-flags.h>
#include <asm/arch/sc520.h>
+#include <generated/asm-offsets.h>
.section .text
@@ -55,7 +56,7 @@ car_init:
/* Configure Cache-As-RAM PAR */
movl $CONFIG_SYS_SC520_CAR_PAR, %eax
- movl $SC520_PAR2, %edi
+ movl $(SC520_MMCR_BASE + GENERATED_SC520_PAR2), %edi
movl %eax, (%edi)
/* Trash the cache then turn it on */
diff --git a/arch/x86/cpu/sc520/sc520_pci.c b/arch/x86/cpu/sc520/sc520_pci.c
index e26793ab1b..52d07c119a 100644
--- a/arch/x86/cpu/sc520/sc520_pci.c
+++ b/arch/x86/cpu/sc520/sc520_pci.c
@@ -70,26 +70,28 @@ int pci_sc520_set_irq(int pci_pin, int irq)
debug("set_irq(): map INT%c to IRQ%d\n", pci_pin + 'A', irq);
- if (irq < 0 || irq > 15) {
+ if (irq < 0 || irq > 15)
return -1; /* illegal irq */
- }
- if (pci_pin < 0 || pci_pin > 15) {
+ if (pci_pin < 0 || pci_pin > 15)
return -1; /* illegal pci int pin */
- }
/* first disable any non-pci interrupt source that use
* this level */
/* PCI interrupt mapping (A through D)*/
- for (i=0; i<=3 ;i++) {
- if (readb(&sc520_mmcr->pci_int_map[i]) == sc520_irq[irq].priority)
+ for (i = 0; i <= 3 ; i++) {
+ tmpb = readb(&sc520_mmcr->pci_int_map[i]);
+
+ if (tmpb == sc520_irq[irq].priority)
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pci_int_map[i]);
}
/* GP IRQ interrupt mapping */
- for (i=0; i<=10 ;i++) {
- if (readb(&sc520_mmcr->gp_int_map[i]) == sc520_irq[irq].priority)
+ for (i = 0; i <= 10 ; i++) {
+ tmpb = readb(&sc520_mmcr->gp_int_map[i]);
+
+ if (tmpb == sc520_irq[irq].priority)
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_int_map[i]);
}
@@ -102,10 +104,12 @@ int pci_sc520_set_irq(int pci_pin, int irq)
if (pci_pin < 4) {
/* PCI INTA-INTD */
/* route the interrupt */
- writeb(sc520_irq[irq].priority, &sc520_mmcr->pci_int_map[pci_pin]);
+ writeb(sc520_irq[irq].priority,
+ &sc520_mmcr->pci_int_map[pci_pin]);
} else {
/* GPIRQ0-GPIRQ10 used for additional PCI INTS */
- writeb(sc520_irq[irq].priority, &sc520_mmcr->gp_int_map[pci_pin - 4]);
+ writeb(sc520_irq[irq].priority,
+ &sc520_mmcr->gp_int_map[pci_pin - 4]);
/* also set the polarity in this case */
tmpw = readw(&sc520_mmcr->intpinpol);
@@ -126,9 +130,7 @@ void pci_sc520_init(struct pci_controller *hose)
hose->last_busno = 0xff;
hose->region_count = pci_set_regions(hose);
- pci_setup_type1(hose,
- SC520_REG_ADDR,
- SC520_REG_DATA);
+ pci_setup_type1(hose);
pci_register_hose(hose);
diff --git a/arch/x86/cpu/sc520/sc520_sdram.c b/arch/x86/cpu/sc520/sc520_sdram.c
index 57e4e7ddc3..9dc13342e3 100644
--- a/arch/x86/cpu/sc520/sc520_sdram.c
+++ b/arch/x86/cpu/sc520/sc520_sdram.c
@@ -40,9 +40,6 @@ static void sc520_set_dram_timing(void);
static void sc520_set_dram_refresh_rate(void);
static void sc520_enable_dram_refresh(void);
static void sc520_enable_sdram(void);
-#if CONFIG_SYS_SDRAM_ECC_ENABLE
-static void sc520_enable_ecc(void)
-#endif
int dram_init_f(void)
{
@@ -51,9 +48,6 @@ int dram_init_f(void)
sc520_set_dram_refresh_rate();
sc520_enable_dram_refresh();
sc520_enable_sdram();
-#if CONFIG_SYS_SDRAM_ECC_ENABLE
- sc520_enable_ecc();
-#endif
return 0;
}
@@ -426,53 +420,6 @@ static void sc520_sizemem(void)
writel(0x00000000, &sc520_mmcr->par[4]);
}
-#if CONFIG_SYS_SDRAM_ECC_ENABLE
-static void sc520_enable_ecc(void)
-
- /* A nominal memory test: just a byte at each address line */
- movl %eax, %ecx
- shrl $0x1, %ecx
- movl $0x1, %edi
-memtest0:
- movb $0xa5, (%edi)
- cmpb $0xa5, (%edi)
- jne out
- shrl $0x1, %ecx
- andl %ecx, %ecx
- jz set_ecc
- shll $0x1, %edi
- jmp memtest0
-
-set_ecc:
- /* clear all ram with a memset */
- movl %eax, %ecx
- xorl %esi, %esi
- xorl %edi, %edi
- xorl %eax, %eax
- shrl $0x2, %ecx
- cld
- rep stosl
-
- /* enable read, write buffers */
- movb $0x11, %al
- movl $DBCTL, %edi
- movb %al, (%edi)
-
- /* enable NMI mapping for ECC */
- movl $ECCINT, %edi
- movb $0x10, %al
- movb %al, (%edi)
-
- /* Turn on ECC */
- movl $ECCCTL, %edi
- movb $0x05, %al
- movb %al,(%edi)
-
-out:
- jmp init_ecc_ret
-}
-#endif
-
int dram_init(void)
{
ulong dram_ctrl;
diff --git a/arch/x86/cpu/sc520/sc520_ssi.c b/arch/x86/cpu/sc520/sc520_ssi.c
index 3a6a858091..cc601e56e4 100644
--- a/arch/x86/cpu/sc520/sc520_ssi.c
+++ b/arch/x86/cpu/sc520/sc520_ssi.c
@@ -28,37 +28,33 @@
int ssi_set_interface(int freq, int lsb_first, int inv_clock, int inv_phase)
{
- u8 temp=0;
+ u8 temp = 0;
- if (freq >= 8192) {
+ if (freq >= 8192)
temp |= CTL_CLK_SEL_4;
- } else if (freq >= 4096) {
+ else if (freq >= 4096)
temp |= CTL_CLK_SEL_8;
- } else if (freq >= 2048) {
+ else if (freq >= 2048)
temp |= CTL_CLK_SEL_16;
- } else if (freq >= 1024) {
+ else if (freq >= 1024)
temp |= CTL_CLK_SEL_32;
- } else if (freq >= 512) {
+ else if (freq >= 512)
temp |= CTL_CLK_SEL_64;
- } else if (freq >= 256) {
+ else if (freq >= 256)
temp |= CTL_CLK_SEL_128;
- } else if (freq >= 128) {
+ else if (freq >= 128)
temp |= CTL_CLK_SEL_256;
- } else {
+ else
temp |= CTL_CLK_SEL_512;
- }
- if (!lsb_first) {
+ if (!lsb_first)
temp |= MSBF_ENB;
- }
- if (inv_clock) {
+ if (inv_clock)
temp |= CLK_INV_ENB;
- }
- if (inv_phase) {
+ if (inv_phase)
temp |= PHS_INV_ENB;
- }
writeb(temp, &sc520_mmcr->ssictl);
@@ -68,9 +64,11 @@ int ssi_set_interface(int freq, int lsb_first, int inv_clock, int inv_phase)
u8 ssi_txrx_byte(u8 data)
{
writeb(data, &sc520_mmcr->ssixmit);
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
+ ;
writeb(SSICMD_CMD_SEL_XMITRCV, &sc520_mmcr->ssicmd);
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
+ ;
return readb(&sc520_mmcr->ssircv);
}
@@ -78,15 +76,18 @@ u8 ssi_txrx_byte(u8 data)
void ssi_tx_byte(u8 data)
{
writeb(data, &sc520_mmcr->ssixmit);
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
+ ;
writeb(SSICMD_CMD_SEL_XMIT, &sc520_mmcr->ssicmd);
}
u8 ssi_rx_byte(void)
{
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
+ ;
writeb(SSICMD_CMD_SEL_RCV, &sc520_mmcr->ssicmd);
- while (readb(&sc520_mmcr->ssista) & SSISTA_BSY);
+ while (readb(&sc520_mmcr->ssista) & SSISTA_BSY)
+ ;
return readb(&sc520_mmcr->ssircv);
}
diff --git a/arch/x86/cpu/sc520/sc520_timer.c b/arch/x86/cpu/sc520/sc520_timer.c
index 05bc9c1103..495a69459b 100644
--- a/arch/x86/cpu/sc520/sc520_timer.c
+++ b/arch/x86/cpu/sc520/sc520_timer.c
@@ -38,7 +38,7 @@ void sc520_timer_isr(void)
int timer_init(void)
{
/* Register the SC520 specific timer interrupt handler */
- register_timer_isr (sc520_timer_isr);
+ register_timer_isr(sc520_timer_isr);
/* Install interrupt handler for GP Timer 1 */
irq_install_handler (0, timer_isr, NULL);
@@ -62,7 +62,7 @@ int timer_init(void)
writew(100, &sc520_mmcr->gptmr1maxcmpa);
writew(0xe009, &sc520_mmcr->gptmr1ctl);
- unmask_irq (0);
+ unmask_irq(0);
/* Clear the GP Timer 1 status register to get the show rolling*/
writeb(0x02, &sc520_mmcr->gptmrsta);
diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S
index 306fb49617..f87633b561 100644
--- a/arch/x86/cpu/start.S
+++ b/arch/x86/cpu/start.S
@@ -30,6 +30,7 @@
#include <version.h>
#include <asm/global_data.h>
#include <asm/processor-flags.h>
+#include <generated/asm-offsets.h>
.section .text
.code32
@@ -47,14 +48,12 @@ _x86boot_start:
cli
cld
- /* Turn of cache (this might require a 486-class CPU) */
+ /* Turn off cache (this might require a 486-class CPU) */
movl %cr0, %eax
orl $(X86_CR0_NW | X86_CR0_CD), %eax
movl %eax, %cr0
wbinvd
- /* Tell 32-bit code it is being entered from an in-RAM copy */
- movw $GD_FLG_WARM_BOOT, %bx
_start:
/* This is the 32-bit cold-reset entry point */
@@ -114,7 +113,7 @@ relocate_code:
/* Setup call address of in-RAM copy of board_init_r() */
movl $board_init_r, %ebp
- addl (GD_RELOC_OFF * 4)(%edx), %ebp
+ addl (GENERATED_GD_RELOC_OFF)(%edx), %ebp
/* Setup parameters to board_init_r() */
movl %edx, %eax
@@ -123,10 +122,31 @@ relocate_code:
/* Jump to in-RAM copy of board_init_r() */
call *%ebp
-die: hlt
+die:
+ hlt
jmp die
hlt
blank_idt_ptr:
.word 0 /* limit */
.long 0 /* base */
+
+ .p2align 2 /* force 4-byte alignment */
+
+multiboot_header:
+ /* magic */
+ .long 0x1BADB002
+ /* flags */
+ .long (1 << 16)
+ /* checksum */
+ .long -0x1BADB002 - (1 << 16)
+ /* header addr */
+ .long multiboot_header - _x86boot_start + CONFIG_SYS_TEXT_BASE
+ /* load addr */
+ .long CONFIG_SYS_TEXT_BASE
+ /* load end addr */
+ .long 0
+ /* bss end addr */
+ .long 0
+ /* entry addr */
+ .long CONFIG_SYS_TEXT_BASE
diff --git a/arch/x86/cpu/start16.S b/arch/x86/cpu/start16.S
index 9dabff2b9f..33e53cdb3b 100644
--- a/arch/x86/cpu/start16.S
+++ b/arch/x86/cpu/start16.S
@@ -37,9 +37,6 @@
.code16
.globl start16
start16:
- /* Set the Cold Boot / Hard Reset flag */
- movl $GD_FLG_COLD_BOOT, %ebx
-
/*
* First we let the BSP do some early initialization
* this code have to map the flash to its final position
diff --git a/arch/x86/include/asm/arch-sc520/sc520.h b/arch/x86/include/asm/arch-sc520/sc520.h
index 5ac9bb81d4..9dc29d39bc 100644
--- a/arch/x86/include/asm/arch-sc520/sc520.h
+++ b/arch/x86/include/asm/arch-sc520/sc520.h
@@ -259,32 +259,6 @@ extern sc520_mmcr_t *sc520_mmcr;
/* Memory Mapped Control Registers (MMCR) Base Address */
#define SC520_MMCR_BASE 0xfffef000
-/* MMCR Addresses (required for assembler code) */
-#define SC520_DRCCTL (SC520_MMCR_BASE + 0x010)
-#define SC520_DRCTMCTL (SC520_MMCR_BASE + 0x012)
-#define SC520_DRCCFG (SC520_MMCR_BASE + 0x014)
-#define SC520_DRCBENDADR (SC520_MMCR_BASE + 0x018)
-#define SC520_ECCCTL (SC520_MMCR_BASE + 0x020)
-#define SC520_DBCTL (SC520_MMCR_BASE + 0x040)
-#define SC520_ECCINT (SC520_MMCR_BASE + 0xd18)
-
-#define SC520_PAR0 (SC520_MMCR_BASE + 0x088)
-#define SC520_PAR1 (SC520_PAR0 + (0x04 * 1))
-#define SC520_PAR2 (SC520_PAR0 + (0x04 * 2))
-#define SC520_PAR3 (SC520_PAR0 + (0x04 * 3))
-#define SC520_PAR4 (SC520_PAR0 + (0x04 * 4))
-#define SC520_PAR5 (SC520_PAR0 + (0x04 * 5))
-#define SC520_PAR6 (SC520_PAR0 + (0x04 * 6))
-#define SC520_PAR7 (SC520_PAR0 + (0x04 * 7))
-#define SC520_PAR8 (SC520_PAR0 + (0x04 * 8))
-#define SC520_PAR9 (SC520_PAR0 + (0x04 * 9))
-#define SC520_PAR10 (SC520_PAR0 + (0x04 * 10))
-#define SC520_PAR11 (SC520_PAR0 + (0x04 * 11))
-#define SC520_PAR12 (SC520_PAR0 + (0x04 * 12))
-#define SC520_PAR13 (SC520_PAR0 + (0x04 * 13))
-#define SC520_PAR14 (SC520_PAR0 + (0x04 * 14))
-#define SC520_PAR15 (SC520_PAR0 + (0x04 * 15))
-
/*
* PARs for maximum allowable 256MB of SDRAM @ 0x00000000
* Two PARs are required due to maximum PAR size of 128MB
diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h
index f177a4fa3b..05a2139d00 100644
--- a/arch/x86/include/asm/global_data.h
+++ b/arch/x86/include/asm/global_data.h
@@ -61,25 +61,6 @@ extern gd_t *gd;
#endif
-/* Word Offsets into Global Data - MUST match struct gd_t */
-#define GD_BD 0
-#define GD_FLAGS 1
-#define GD_BAUDRATE 2
-#define GD_HAVE_CONSOLE 3
-#define GD_RELOC_OFF 4
-#define GD_LOAD_OFF 5
-#define GD_ENV_ADDR 6
-#define GD_ENV_VALID 7
-#define GD_CPU_CLK 8
-#define GD_BUS_CLK 9
-#define GD_RELOC_ADDR 10
-#define GD_START_ADDR_SP 11
-#define GD_RAM_SIZE 12
-#define GD_RESET_STATUS 13
-#define GD_JT 14
-
-#define GD_SIZE 15
-
/*
* Global Data Flags
*/
@@ -91,8 +72,6 @@ extern gd_t *gd;
#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
-#define GD_FLG_COLD_BOOT 0x00100 /* Cold Boot */
-#define GD_FLG_WARM_BOOT 0x00200 /* Warm Boot */
#if 0
#define DECLARE_GLOBAL_DATA_PTR
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 85f60d77f0..37cc7e3a0f 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -26,7 +26,10 @@
#ifndef _PCI_I386_H_
#define _PCI_I386_H_ 1
-void pci_setup_type1(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data);
+#define DEFINE_PCI_DEVICE_TABLE(_table) \
+ const struct pci_device_id _table[]
+
+void pci_setup_type1(struct pci_controller *hose);
int pci_enable_legacy_video_ports(struct pci_controller* hose);
int pci_shadow_rom(pci_dev_t dev, unsigned char *dest);
void pci_remove_rom_window(struct pci_controller* hose, u32 addr);
diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h
index c62310e3cd..0f12a893b4 100644
--- a/arch/x86/include/asm/realmode.h
+++ b/arch/x86/include/asm/realmode.h
@@ -25,6 +25,10 @@
#define __ASM_REALMODE_H_
#include <asm/ptrace.h>
+extern ulong __realmode_start;
+extern ulong __realmode_size;
+extern char realmode_enter;
+
int bios_setup(void);
int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out);
int enter_realmode_int(u8 lvl, struct pt_regs *in, struct pt_regs *out);
diff --git a/arch/x86/include/asm/string.h b/arch/x86/include/asm/string.h
index 3643a79fdf..3aa6c1131b 100644
--- a/arch/x86/include/asm/string.h
+++ b/arch/x86/include/asm/string.h
@@ -23,7 +23,7 @@ extern void * memmove(void *, const void *, __kernel_size_t);
#undef __HAVE_ARCH_MEMCHR
extern void * memchr(const void *, int, __kernel_size_t);
-#undef __HAVE_ARCH_MEMSET
+#define __HAVE_ARCH_MEMSET
extern void * memset(void *, int, __kernel_size_t);
#undef __HAVE_ARCH_MEMZERO
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index d3e2f4c492..755f88af04 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -24,6 +24,14 @@
#ifndef _U_BOOT_I386_H_
#define _U_BOOT_I386_H_ 1
+/* Exports from the Linker Script */
+extern ulong __text_start;
+extern ulong __data_end;
+extern ulong __rel_dyn_start;
+extern ulong __rel_dyn_end;
+extern ulong __bss_start;
+extern ulong __bss_end;
+
/* cpu/.../cpu.c */
int x86_cpu_init_r(void);
int cpu_init_r(void);
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index 71e94f76f3..d584aa4a80 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -25,23 +25,25 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(ARCH).o
-SOBJS-y += bios.o
-SOBJS-y += bios_pci.o
-SOBJS-y += realmode_switch.o
+SOBJS-$(CONFIG_SYS_PC_BIOS) += bios.o
+SOBJS-$(CONFIG_SYS_PCI_BIOS) += bios_pci.o
+SOBJS-$(CONFIG_SYS_X86_REALMODE) += realmode_switch.o
-COBJS-y += bios_setup.o
+COBJS-$(CONFIG_SYS_PC_BIOS) += bios_setup.o
COBJS-y += board.o
COBJS-y += bootm.o
+COBJS-y += gcc.o
COBJS-y += interrupts.o
COBJS-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o
COBJS-$(CONFIG_SYS_GENERIC_TIMER) += pcat_timer.o
COBJS-$(CONFIG_PCI) += pci.o
COBJS-$(CONFIG_PCI) += pci_type1.o
-COBJS-y += realmode.o
-COBJS-y += timer.o
-COBJS-y += video_bios.o
-COBJS-y += video.o
-COBJS-y += zimage.o
+COBJS-$(CONFIG_SYS_X86_REALMODE) += realmode.o
+COBJS-y += string.o
+COBJS-$(CONFIG_SYS_X86_ISR_TIMER) += timer.o
+COBJS-$(CONFIG_VIDEO) += video_bios.o
+COBJS-$(CONFIG_VIDEO) += video.o
+COBJS-$(CONFIG_CMD_ZBOOT) += zimage.o
SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
@@ -49,6 +51,11 @@ OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
$(LIB): $(obj).depend $(OBJS)
$(call cmd_link_o_target, $(OBJS))
+$(PREFIXED_LIBGCC): $(NORMAL_LIBGCC)
+ $(OBJCOPY) $< $@ --prefix-symbols=__normal_
+
+$(LIB): $(PREFIXED_LIBGCC)
+
#########################################################################
# defines $(obj).depend target
diff --git a/arch/x86/lib/bios.h b/arch/x86/lib/bios.h
index 4a9cdb591b..a220983df1 100644
--- a/arch/x86/lib/bios.h
+++ b/arch/x86/lib/bios.h
@@ -24,69 +24,150 @@
#ifndef _BIOS_H_
#define _BIOS_H_
-#define OFFS_ES 0 /* 16bit */
-#define OFFS_GS 2 /* 16bit */
-#define OFFS_DS 4 /* 16bit */
-#define OFFS_EDI 6 /* 32bit */
-#define OFFS_DI 6 /* low 16 bits of EDI */
-#define OFFS_ESI 10 /* 32bit */
-#define OFFS_SI 10 /* low 16 bits of ESI */
-#define OFFS_EBP 14 /* 32bit */
-#define OFFS_BP 14 /* low 16 bits of EBP */
-#define OFFS_ESP 18 /* 32bit */
-#define OFFS_SP 18 /* low 16 bits of ESP */
-#define OFFS_EBX 22 /* 32bit */
-#define OFFS_BX 22 /* low 16 bits of EBX */
-#define OFFS_BL 22 /* low 8 bits of BX */
-#define OFFS_BH 23 /* high 8 bits of BX */
-#define OFFS_EDX 26 /* 32bit */
-#define OFFS_DX 26 /* low 16 bits of EBX */
-#define OFFS_DL 26 /* low 8 bits of BX */
-#define OFFS_DH 27 /* high 8 bits of BX */
-#define OFFS_ECX 30 /* 32bit */
-#define OFFS_CX 30 /* low 16 bits of EBX */
-#define OFFS_CL 30 /* low 8 bits of BX */
-#define OFFS_CH 31 /* high 8 bits of BX */
-#define OFFS_EAX 34 /* 32bit */
-#define OFFS_AX 34 /* low 16 bits of EBX */
-#define OFFS_AL 34 /* low 8 bits of BX */
-#define OFFS_AH 35 /* high 8 bits of BX */
-#define OFFS_VECTOR 38 /* 16bit */
-#define OFFS_IP 40 /* 16bit */
-#define OFFS_CS 42 /* 16bit */
-#define OFFS_FLAGS 44 /* 16bit */
+#define OFFS_ES 0 /* 16bit */
+#define OFFS_GS 2 /* 16bit */
+#define OFFS_DS 4 /* 16bit */
+#define OFFS_EDI 6 /* 32bit */
+#define OFFS_DI 6 /* low 16 bits of EDI */
+#define OFFS_ESI 10 /* 32bit */
+#define OFFS_SI 10 /* low 16 bits of ESI */
+#define OFFS_EBP 14 /* 32bit */
+#define OFFS_BP 14 /* low 16 bits of EBP */
+#define OFFS_ESP 18 /* 32bit */
+#define OFFS_SP 18 /* low 16 bits of ESP */
+#define OFFS_EBX 22 /* 32bit */
+#define OFFS_BX 22 /* low 16 bits of EBX */
+#define OFFS_BL 22 /* low 8 bits of BX */
+#define OFFS_BH 23 /* high 8 bits of BX */
+#define OFFS_EDX 26 /* 32bit */
+#define OFFS_DX 26 /* low 16 bits of EBX */
+#define OFFS_DL 26 /* low 8 bits of BX */
+#define OFFS_DH 27 /* high 8 bits of BX */
+#define OFFS_ECX 30 /* 32bit */
+#define OFFS_CX 30 /* low 16 bits of EBX */
+#define OFFS_CL 30 /* low 8 bits of BX */
+#define OFFS_CH 31 /* high 8 bits of BX */
+#define OFFS_EAX 34 /* 32bit */
+#define OFFS_AX 34 /* low 16 bits of EBX */
+#define OFFS_AL 34 /* low 8 bits of BX */
+#define OFFS_AH 35 /* high 8 bits of BX */
+#define OFFS_VECTOR 38 /* 16bit */
+#define OFFS_IP 40 /* 16bit */
+#define OFFS_CS 42 /* 16bit */
+#define OFFS_FLAGS 44 /* 16bit */
-#define SEGMENT 0x40
-#define STACK 0x800 /* stack at 0x40:0x800 -> 0x800 */
+/* stack at 0x40:0x800 -> 0x800 */
+#define SEGMENT 0x40
+#define STACK 0x800
-/* save general registers */
-/* save some segments */
-/* save callers stack segment .. */
-/* ... in gs */
- /* setup my segments */
- /* setup BIOS stackpointer */
-
-#define MAKE_BIOS_STACK \
- pushal; \
- pushw %ds; \
- pushw %gs; \
- pushw %es; \
- pushw %ss; \
- popw %gs; \
- movw $SEGMENT, %ax; \
- movw %ax, %ds; \
- movw %ax, %es; \
- movw %ax, %ss; \
- movw %sp, %bp; \
+/*
+ * save general registers
+ * save some segments
+ * save callers stack segment
+ * setup BIOS segments
+ * setup BIOS stackpointer
+ */
+#define MAKE_BIOS_STACK \
+ pushal; \
+ pushw %ds; \
+ pushw %gs; \
+ pushw %es; \
+ pushw %ss; \
+ popw %gs; \
+ movw $SEGMENT, %ax; \
+ movw %ax, %ds; \
+ movw %ax, %es; \
+ movw %ax, %ss; \
+ movw %sp, %bp; \
movw $STACK, %sp
-#define RESTORE_CALLERS_STACK \
- pushw %gs; /* restore callers stack segment */ \
- popw %ss; \
- movw %bp, %sp; /* restore stackpointer */ \
- popw %es; /* restore segment selectors */ \
- popw %gs; \
- popw %ds; \
- popal /* restore GP registers */
+/*
+ * restore callers stack segment
+ * restore some segments
+ * restore general registers
+ */
+#define RESTORE_CALLERS_STACK \
+ pushw %gs; \
+ popw %ss; \
+ movw %bp, %sp; \
+ popw %es; \
+ popw %gs; \
+ popw %ds; \
+ popal
+
+#ifndef __ASSEMBLY__
+#define BIOS_DATA ((char *)0x400)
+#define BIOS_DATA_SIZE 256
+#define BIOS_BASE ((char *)0xf0000)
+#define BIOS_CS 0xf000
+
+extern ulong __bios_start;
+extern ulong __bios_size;
+
+/* these are defined in a 16bit segment and needs
+ * to be accessed with the RELOC_16_xxxx() macros below
+ */
+extern u16 ram_in_64kb_chunks;
+extern u16 bios_equipment;
+extern u8 pci_last_bus;
+
+extern void *rm_int00;
+extern void *rm_int01;
+extern void *rm_int02;
+extern void *rm_int03;
+extern void *rm_int04;
+extern void *rm_int05;
+extern void *rm_int06;
+extern void *rm_int07;
+extern void *rm_int08;
+extern void *rm_int09;
+extern void *rm_int0a;
+extern void *rm_int0b;
+extern void *rm_int0c;
+extern void *rm_int0d;
+extern void *rm_int0e;
+extern void *rm_int0f;
+extern void *rm_int10;
+extern void *rm_int11;
+extern void *rm_int12;
+extern void *rm_int13;
+extern void *rm_int14;
+extern void *rm_int15;
+extern void *rm_int16;
+extern void *rm_int17;
+extern void *rm_int18;
+extern void *rm_int19;
+extern void *rm_int1a;
+extern void *rm_int1b;
+extern void *rm_int1c;
+extern void *rm_int1d;
+extern void *rm_int1e;
+extern void *rm_int1f;
+extern void *rm_def_int;
+
+extern void *realmode_reset;
+extern void *realmode_pci_bios_call_entry;
+
+#define RELOC_16_LONG(seg, off) (*(u32 *)(seg << 4 | (u32)&off))
+#define RELOC_16_WORD(seg, off) (*(u16 *)(seg << 4 | (u32)&off))
+#define RELOC_16_BYTE(seg, off) (*(u8 *)(seg << 4 | (u32)&off))
+
+#ifdef PCI_BIOS_DEBUG
+extern u32 num_pci_bios_present;
+extern u32 num_pci_bios_find_device;
+extern u32 num_pci_bios_find_class;
+extern u32 num_pci_bios_generate_special_cycle;
+extern u32 num_pci_bios_read_cfg_byte;
+extern u32 num_pci_bios_read_cfg_word;
+extern u32 num_pci_bios_read_cfg_dword;
+extern u32 num_pci_bios_write_cfg_byte;
+extern u32 num_pci_bios_write_cfg_word;
+extern u32 num_pci_bios_write_cfg_dword;
+extern u32 num_pci_bios_get_irq_routing;
+extern u32 num_pci_bios_set_irq;
+extern u32 num_pci_bios_unknown_function;
+#endif
+
+#endif
#endif
diff --git a/arch/x86/lib/bios_pci.S b/arch/x86/lib/bios_pci.S
index 53d2ea047a..47c478b27d 100644
--- a/arch/x86/lib/bios_pci.S
+++ b/arch/x86/lib/bios_pci.S
@@ -80,11 +80,15 @@ cs incl num_pci_bios_present
#endif
movl $0x20494350, %eax
gs movl %eax, OFFS_EDX(%bp)
+
+ /* We support cfg type 1 version 2.10 */
movb $0x01, %al
-gs movb %al, OFFS_AL(%bp) /* We support cfg type 1 */
- movw $0x0210, %ax /* version 2.10 */
+gs movb %al, OFFS_AL(%bp)
+ movw $0x0210, %ax
gs movw %ax, OFFS_BX(%bp)
-cs movb pci_last_bus, %al /* last bus number */
+
+ /* last bus number */
+cs movb pci_last_bus, %al
gs movb %al, OFFS_CL(%bp)
jmp clear_carry
@@ -97,16 +101,22 @@ cs incl num_pci_bios_find_device
#endif
gs movw OFFS_CX(%bp), %di
shll $16, %edi
-gs movw OFFS_DX(%bp), %di /* edi now holds device in upper 16
- * bits and vendor in lower 16 bits */
+gs movw OFFS_DX(%bp), %di
+ /* edi now holds device in upper 16 bits and vendor in lower 16 bits */
+
gs movw OFFS_SI(%bp), %si
- xorw %bx, %bx /* start at bus 0 dev 0 function 0 */
+
+ /* start at bus 0 dev 0 function 0 */
+ xorw %bx, %bx
pfd_loop:
- xorw %ax, %ax /* dword 0 is vendor/device */
+ /* dword 0 is vendor/device */
+ xorw %ax, %ax
call __pci_bios_select_register
movw $0xcfc, %dx
inl %dx, %eax
- cmpl %edi, %eax /* our device ? */
+
+ /* our device ? */
+ cmpl %edi, %eax
je pfd_found_one
pfd_next_dev:
/* check for multi function devices */
@@ -120,13 +130,16 @@ pfd_next_dev:
andb $0x80, %al
jz pfd_not_multi_function
pfd_function_not_zero:
- incw %bx /* next function, overflows in to
- * device number, then bus number */
+ /* next function, overflows in to device number, then bus number */
+ incw %bx
jmp pfd_check_bus
pfd_not_multi_function:
- andw $0xfff8, %bx /* remove function bits */
- addw $0x0008, %bx /* next device, overflows in to bus number */
+ /* remove function bits */
+ andw $0xfff8, %bx
+
+ /* next device, overflows in to bus number */
+ addw $0x0008, %bx
pfd_check_bus:
cs movb pci_last_bus, %ah
cmpb %ah, %bh
@@ -142,7 +155,8 @@ gs movw %bx, OFFS_BX(%bp)
jmp clear_carry
pfd_not_found:
- movb $0x86, %ah /* device not found */
+ /* device not found */
+ movb $0x86, %ah
jmp set_carry
/*****************************************************************************/
@@ -152,17 +166,24 @@ pci_bios_find_class:
cs incl num_pci_bios_find_class
#endif
gs movl OFFS_ECX(%bp), %edi
- andl $0x00ffffff, %edi /* edi now holds class-code in lower 24 bits */
+
+ /* edi now holds class-code in lower 24 bits */
+ andl $0x00ffffff, %edi
gs movw OFFS_SI(%bp), %si
- xorw %bx, %bx /* start at bus 0 dev 0 function 0 */
+
+ /* start at bus 0 dev 0 function 0 */
+ xorw %bx, %bx
pfc_loop:
- movw $8, %ax /* dword 8 is class-code high 24bits */
+ /* dword 8 is class-code high 24bits */
+ movw $8, %ax
call __pci_bios_select_register
movw $0xcfc, %dx
inl %dx, %eax
shrl $8, %eax
andl $0x00ffffff, %eax
- cmpl %edi, %eax /* our device ? */
+
+ /* our device ? */
+ cmpl %edi, %eax
je pfc_found_one
pfc_next_dev:
/* check for multi function devices */
@@ -175,13 +196,16 @@ pfc_next_dev:
andb $0x80, %al
jz pfc_not_multi_function
pfc_function_not_zero:
- incw %bx /* next function, overflows in to
- * device number, then bus number */
+ /* next function, overflows in to device number, then bus number */
+ incw %bx
jmp pfc_check_bus
pfc_not_multi_function:
- andw $0xfff8, %bx /* remove function bits */
- addw $0x0008, %bx /* next device, overflows in to bus number */
+ /* remove function bits */
+ andw $0xfff8, %bx
+
+ /* next device, overflows in to bus number */
+ addw $0x0008, %bx
pfc_check_bus:
cs movb pci_last_bus, %ah
cmpb %ah, %bh
@@ -197,7 +221,8 @@ gs movw %bx, OFFS_BX(%bp)
jmp clear_carry
pfc_not_found:
- movb $0x86, %ah /* device not found */
+ /* device not found */
+ movb $0x86, %ah
jmp set_carry
/*****************************************************************************/
@@ -206,7 +231,8 @@ pci_bios_generate_special_cycle:
#ifdef PCI_BIOS_DEBUG
cs incl num_pci_bios_generate_special_cycle
#endif
- movb $0x81, %ah /* function not supported */
+ /* function not supported */
+ movb $0x81, %ah
jmp set_carry
/*****************************************************************************/
@@ -296,7 +322,8 @@ pci_bios_get_irq_routing:
#ifdef PCI_BIOS_DEBUG
cs incl num_pci_bios_get_irq_routing
#endif
- movb $0x81, %ah /* function not supported */
+ /* function not supported */
+ movb $0x81, %ah
jmp set_carry
/*****************************************************************************/
@@ -305,7 +332,8 @@ pci_bios_set_irq:
#ifdef PCI_BIOS_DEBUG
cs incl num_pci_bios_set_irq
#endif
- movb $0x81, %ah /* function not supported */
+ /* function not supported */
+ movb $0x81, %ah
jmp set_carry
/*****************************************************************************/
@@ -314,7 +342,8 @@ unknown_function:
#ifdef PCI_BIOS_DEBUG
cs incl num_pci_bios_unknown_function
#endif
- movb $0x81, %ah /* function not supported */
+ /* function not supported */
+ movb $0x81, %ah
jmp set_carry
/*****************************************************************************/
@@ -323,7 +352,8 @@ pci_bios_select_register:
gs movw OFFS_BX(%bp), %bx
gs movw OFFS_DI(%bp), %ax
/* destroys eax, dx */
-__pci_bios_select_register: /* BX holds device id, AX holds register index */
+__pci_bios_select_register:
+ /* BX holds device id, AX holds register index */
pushl %ebx
andl $0xfc, %eax
andl $0xffff, %ebx
@@ -338,7 +368,9 @@ __pci_bios_select_register: /* BX holds device id, AX holds regist
clear_carry:
gs movw OFFS_FLAGS(%bp), %ax
- andw $0xfffe, %ax /* clear carry -- function succeeded */
+
+ /* clear carry -- function succeeded */
+ andw $0xfffe, %ax
gs movw %ax, OFFS_FLAGS(%bp)
xorw %ax, %ax
gs movb %ah, OFFS_AH(%bp)
@@ -347,7 +379,9 @@ gs movb %ah, OFFS_AH(%bp)
set_carry:
gs movb %ah, OFFS_AH(%bp)
gs movw OFFS_FLAGS(%bp), %ax
- orw $1, %ax /* return carry -- function not supported */
+
+ /* return carry -- function not supported */
+ orw $1, %ax
gs movw %ax, OFFS_FLAGS(%bp)
movw $-1, %ax
ret
diff --git a/arch/x86/lib/bios_setup.c b/arch/x86/lib/bios_setup.c
index 9bf7e5872f..265f7d671e 100644
--- a/arch/x86/lib/bios_setup.c
+++ b/arch/x86/lib/bios_setup.c
@@ -34,74 +34,22 @@
#include <pci.h>
#include <asm/realmode.h>
#include <asm/io.h>
+#include "bios.h"
DECLARE_GLOBAL_DATA_PTR;
#define NUMVECTS 256
-#define BIOS_DATA ((char*)0x400)
-#define BIOS_DATA_SIZE 256
-#define BIOS_BASE ((char*)0xf0000)
-#define BIOS_CS 0xf000
-
-extern ulong __bios_start;
-extern ulong __bios_size;
-
-/* these are defined in a 16bit segment and needs
- * to be accessed with the RELOC_16_xxxx() macros below
- */
-extern u16 ram_in_64kb_chunks;
-extern u16 bios_equipment;
-extern u8 pci_last_bus;
-
-extern void *rm_int00;
-extern void *rm_int01;
-extern void *rm_int02;
-extern void *rm_int03;
-extern void *rm_int04;
-extern void *rm_int05;
-extern void *rm_int06;
-extern void *rm_int07;
-extern void *rm_int08;
-extern void *rm_int09;
-extern void *rm_int0a;
-extern void *rm_int0b;
-extern void *rm_int0c;
-extern void *rm_int0d;
-extern void *rm_int0e;
-extern void *rm_int0f;
-extern void *rm_int10;
-extern void *rm_int11;
-extern void *rm_int12;
-extern void *rm_int13;
-extern void *rm_int14;
-extern void *rm_int15;
-extern void *rm_int16;
-extern void *rm_int17;
-extern void *rm_int18;
-extern void *rm_int19;
-extern void *rm_int1a;
-extern void *rm_int1b;
-extern void *rm_int1c;
-extern void *rm_int1d;
-extern void *rm_int1e;
-extern void *rm_int1f;
-extern void *rm_def_int;
-
-extern void *realmode_reset;
-extern void *realmode_pci_bios_call_entry;
-
static int set_jmp_vector(int entry_point, void *target)
{
- if (entry_point & ~0xffff) {
+ if (entry_point & ~0xffff)
return -1;
- }
- if (((u32)target-0xf0000) & ~0xffff) {
+ if (((u32)target - 0xf0000) & ~0xffff)
return -1;
- }
+
printf("set_jmp_vector: 0xf000:%04x -> %p\n",
- entry_point, target);
+ entry_point, target);
/* jmp opcode */
writeb(0xea, 0xf0000 + entry_point);
@@ -115,51 +63,42 @@ static int set_jmp_vector(int entry_point, void *target)
return 0;
}
-
-/*
- ************************************************************
- * Install an interrupt vector
- ************************************************************
- */
-
+/* Install an interrupt vector */
static void setvector(int vector, u16 segment, void *handler)
{
- u16 *ptr = (u16*)(vector*4);
- ptr[0] = ((u32)handler - (segment << 4))&0xffff;
+ u16 *ptr = (u16 *)(vector * 4);
+ ptr[0] = ((u32)handler - (segment << 4)) & 0xffff;
ptr[1] = segment;
#if 0
printf("setvector: int%02x -> %04x:%04x\n",
- vector, ptr[1], ptr[0]);
+ vector, ptr[1], ptr[0]);
#endif
}
-#define RELOC_16_LONG(seg, off) *(u32*)(seg << 4 | (u32)&off)
-#define RELOC_16_WORD(seg, off) *(u16*)(seg << 4 | (u32)&off)
-#define RELOC_16_BYTE(seg, off) *(u8*)(seg << 4 | (u32)&off)
-
int bios_setup(void)
{
- ulong bios_start = (ulong)&__bios_start + gd->reloc_off;
+ /* The BIOS section is not relocated and still in the ROM. */
+ ulong bios_start = (ulong)&__bios_start;
ulong bios_size = (ulong)&__bios_size;
- static int done=0;
+ static int done;
int vector;
#ifdef CONFIG_PCI
struct pci_controller *pri_hose;
#endif
- if (done) {
+ if (done)
return 0;
- }
+
done = 1;
if (bios_size > 65536) {
printf("BIOS too large (%ld bytes, max is 65536)\n",
- bios_size);
+ bios_size);
return -1;
}
- memcpy(BIOS_BASE, (void*)bios_start, bios_size);
+ memcpy(BIOS_BASE, (void *)bios_start, bios_size);
/* clear bda */
memset(BIOS_DATA, 0, BIOS_DATA_SIZE);
@@ -178,9 +117,8 @@ int bios_setup(void)
/* setup realmode interrupt vectors */
- for (vector = 0; vector < NUMVECTS; vector++) {
+ for (vector = 0; vector < NUMVECTS; vector++)
setvector(vector, BIOS_CS, &rm_def_int);
- }
setvector(0x00, BIOS_CS, &rm_int00);
setvector(0x01, BIOS_CS, &rm_int01);
diff --git a/arch/x86/lib/board.c b/arch/x86/lib/board.c
index 8963580808..d742fec928 100644
--- a/arch/x86/lib/board.c
+++ b/arch/x86/lib/board.c
@@ -56,15 +56,6 @@
#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR);
-
-/* Exports from the Linker Script */
-extern ulong __text_start;
-extern ulong __data_end;
-extern ulong __rel_dyn_start;
-extern ulong __rel_dyn_end;
-extern ulong __bss_start;
-extern ulong __bss_end;
-
/************************************************************************
* Init Utilities *
************************************************************************
@@ -72,49 +63,41 @@ extern ulong __bss_end;
* or dropped completely,
* but let's get it working (again) first...
*/
-static int init_baudrate (void)
+static int init_baudrate(void)
{
gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
return 0;
}
-static int display_banner (void)
+static int display_banner(void)
{
- printf ("\n\n%s\n\n", version_string);
-/*
- printf ("U-Boot code: %08lX -> %08lX data: %08lX -> %08lX\n"
- " BSS: %08lX -> %08lX stack: %08lX -> %08lX\n",
- i386boot_start, i386boot_romdata_start-1,
- i386boot_romdata_dest, i386boot_romdata_dest+i386boot_romdata_size-1,
- i386boot_bss_start, i386boot_bss_start+i386boot_bss_size-1,
- i386boot_bss_start+i386boot_bss_size,
- i386boot_bss_start+i386boot_bss_size+CONFIG_SYS_STACK_SIZE-1);
-
-*/
+ printf("\n\n%s\n\n", version_string);
- return (0);
+ return 0;
}
-static int display_dram_config (void)
+static int display_dram_config(void)
{
int i;
- puts ("DRAM Configuration:\n");
+ puts("DRAM Configuration:\n");
- for (i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
- printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
- print_size (gd->bd->bi_dram[i].size, "\n");
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ printf("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
+ print_size(gd->bd->bi_dram[i].size, "\n");
}
- return (0);
+ return 0;
}
-static void display_flash_config (ulong size)
+#ifndef CONFIG_SYS_NO_FLASH
+static void display_flash_config(ulong size)
{
- puts ("Flash: ");
- print_size (size, "\n");
+ puts("Flash: ");
+ print_size(size, "\n");
}
+#endif
/*
* Breath some life into the board...
@@ -178,19 +161,26 @@ gd_t *gd;
static int calculate_relocation_address(void)
{
- void *text_start = &__text_start;
- void *bss_end = &__bss_end;
- void *dest_addr;
+ ulong text_start = (ulong)&__text_start;
+ ulong bss_end = (ulong)&__bss_end;
+ ulong dest_addr;
ulong rel_offset;
/* Calculate destination RAM Address and relocation offset */
- dest_addr = (void *)gd->ram_size;
+ dest_addr = gd->ram_size;
dest_addr -= CONFIG_SYS_STACK_SIZE;
dest_addr -= (bss_end - text_start);
+
+ /*
+ * Round destination address down to 16-byte boundary to keep
+ * IDT and GDT 16-byte aligned
+ */
+ dest_addr &= ~15;
+
rel_offset = dest_addr - text_start;
gd->start_addr_sp = gd->ram_size;
- gd->relocaddr = (ulong)dest_addr;
+ gd->relocaddr = dest_addr;
gd->reloc_off = rel_offset;
return 0;
@@ -214,7 +204,7 @@ static int clear_bss(void)
void *bss_end = &__bss_end;
ulong *dst_addr = (ulong *)(bss_start + gd->reloc_off);
- ulong *end_addr = (ulong *)(bss_end + gd->reloc_off);;
+ ulong *end_addr = (ulong *)(bss_end + gd->reloc_off);
while (dst_addr < end_addr)
*dst_addr++ = 0x00000000;
@@ -227,10 +217,30 @@ static int do_elf_reloc_fixups(void)
Elf32_Rel *re_src = (Elf32_Rel *)(&__rel_dyn_start);
Elf32_Rel *re_end = (Elf32_Rel *)(&__rel_dyn_end);
+ Elf32_Addr *offset_ptr_rom;
+ Elf32_Addr *offset_ptr_ram;
+
+ /* The size of the region of u-boot that runs out of RAM. */
+ uintptr_t size = (uintptr_t)&__bss_end - (uintptr_t)&__text_start;
+
do {
- if (re_src->r_offset >= CONFIG_SYS_TEXT_BASE)
- if (*(Elf32_Addr *)(re_src->r_offset + gd->reloc_off) >= CONFIG_SYS_TEXT_BASE)
- *(Elf32_Addr *)(re_src->r_offset + gd->reloc_off) += gd->reloc_off;
+ /* Get the location from the relocation entry */
+ offset_ptr_rom = (Elf32_Addr *)re_src->r_offset;
+
+ /* Check that the location of the relocation is in .text */
+ if (offset_ptr_rom >= (Elf32_Addr *)CONFIG_SYS_TEXT_BASE) {
+
+ /* Switch to the in-RAM version */
+ offset_ptr_ram = (Elf32_Addr *)((ulong)offset_ptr_rom +
+ gd->reloc_off);
+
+ /* Check that the target points into .text */
+ if (*offset_ptr_ram >= CONFIG_SYS_TEXT_BASE &&
+ *offset_ptr_ram <
+ (CONFIG_SYS_TEXT_BASE + size)) {
+ *offset_ptr_ram += gd->reloc_off;
+ }
+ }
} while (re_src++ < re_end);
return 0;
@@ -254,13 +264,18 @@ void board_init_f(ulong boot_flags)
relocate_code(gd->start_addr_sp, gd, gd->relocaddr);
/* NOTREACHED - relocate_code() does not return */
- while(1);
+ while (1)
+ ;
}
void board_init_r(gd_t *id, ulong dest_addr)
{
+#if defined(CONFIG_CMD_NET)
char *s;
+#endif
+#ifndef CONFIG_SYS_NO_FLASH
ulong size;
+#endif
static bd_t bd_data;
static gd_t gd_data;
init_fnc_t **init_fnc_ptr;
@@ -272,10 +287,10 @@ void board_init_r(gd_t *id, ulong dest_addr)
memcpy(gd, id, sizeof(gd_t));
/* compiler optimization barrier needed for GCC >= 3.4 */
- __asm__ __volatile__("": : :"memory");
+ __asm__ __volatile__("" : : : "memory");
gd->bd = &bd_data;
- memset (gd->bd, 0, sizeof (bd_t));
+ memset(gd->bd, 0, sizeof(bd_t));
show_boot_progress(0x22);
gd->baudrate = CONFIG_BAUDRATE;
@@ -285,28 +300,31 @@ void board_init_r(gd_t *id, ulong dest_addr)
for (init_fnc_ptr = init_sequence_r; *init_fnc_ptr; ++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0)
- hang ();
+ hang();
}
show_boot_progress(0x23);
#ifdef CONFIG_SERIAL_MULTI
serial_initialize();
#endif
+
+#ifndef CONFIG_SYS_NO_FLASH
/* configure available FLASH banks */
size = flash_init();
display_flash_config(size);
show_boot_progress(0x24);
+#endif
show_boot_progress(0x25);
/* initialize environment */
- env_relocate ();
+ env_relocate();
show_boot_progress(0x26);
#ifdef CONFIG_CMD_NET
/* IP Address */
- bd_data.bi_ip_addr = getenv_IPaddr ("ipaddr");
+ bd_data.bi_ip_addr = getenv_IPaddr("ipaddr");
#endif
#if defined(CONFIG_PCI)
@@ -319,9 +337,9 @@ void board_init_r(gd_t *id, ulong dest_addr)
show_boot_progress(0x27);
- stdio_init ();
+ stdio_init();
- jumptable_init ();
+ jumptable_init();
/* Initialize the console (after the relocation and devices init) */
console_init_r();
@@ -333,7 +351,7 @@ void board_init_r(gd_t *id, ulong dest_addr)
#if defined(CONFIG_CMD_PCMCIA) && !defined(CONFIG_CMD_IDE)
WATCHDOG_RESET();
- puts ("PCMCIA:");
+ puts("PCMCIA:");
pcmcia_init();
#endif
@@ -348,7 +366,7 @@ void board_init_r(gd_t *id, ulong dest_addr)
show_boot_progress(0x28);
#ifdef CONFIG_STATUS_LED
- status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
+ status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
#endif
udelay(20);
@@ -356,9 +374,10 @@ void board_init_r(gd_t *id, ulong dest_addr)
/* Initialize from environment */
load_addr = getenv_ulong("loadaddr", 16, load_addr);
#if defined(CONFIG_CMD_NET)
- if ((s = getenv ("bootfile")) != NULL) {
- copy_filename (BootFile, s, sizeof (BootFile));
- }
+ s = getenv("bootfile");
+
+ if (s != NULL)
+ copy_filename(BootFile, s, sizeof(BootFile));
#endif
WATCHDOG_RESET();
@@ -390,10 +409,10 @@ void board_init_r(gd_t *id, ulong dest_addr)
eth_initialize(gd->bd);
#endif
-#if ( defined(CONFIG_CMD_NET)) && (0)
+#if (defined(CONFIG_CMD_NET)) && (0)
WATCHDOG_RESET();
# ifdef DEBUG
- puts ("Reset Ethernet PHY\n");
+ puts("Reset Ethernet PHY\n");
# endif
reset_phy();
#endif
@@ -410,27 +429,27 @@ void board_init_r(gd_t *id, ulong dest_addr)
#ifdef CONFIG_POST
- post_run (NULL, POST_RAM | post_bootmode_get(0));
+ post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif
-
show_boot_progress(0x29);
/* main_loop() can return to retry autoboot, if so just run it again. */
- for (;;) {
+ for (;;)
main_loop();
- }
/* NOTREACHED - no way out of command loop except booting */
}
-void hang (void)
+void hang(void)
{
- puts ("### ERROR ### Please RESET the board ###\n");
- for (;;);
+ puts("### ERROR ### Please RESET the board ###\n");
+ for (;;)
+ ;
}
-unsigned long do_go_exec (ulong (*entry)(int, char * const []), int argc, char * const argv[])
+unsigned long do_go_exec(ulong (*entry)(int, char * const []),
+ int argc, char * const argv[])
{
unsigned long ret = 0;
char **argv_tmp;
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c
index a21a21f1f7..bac7b4f0cf 100644
--- a/arch/x86/lib/bootm.c
+++ b/arch/x86/lib/bootm.c
@@ -32,9 +32,10 @@
#include <asm/zimage.h>
/*cmd_boot.c*/
-int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *images)
+int do_bootm_linux(int flag, int argc, char * const argv[],
+ bootm_headers_t *images)
{
- void *base_ptr;
+ void *base_ptr = NULL;
ulong os_data, os_len;
image_header_t *hdr;
@@ -48,41 +49,43 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
if (images->legacy_hdr_valid) {
hdr = images->legacy_hdr_os;
- if (image_check_type (hdr, IH_TYPE_MULTI)) {
+ if (image_check_type(hdr, IH_TYPE_MULTI)) {
/* if multi-part image, we need to get first subimage */
- image_multi_getimg (hdr, 0, &os_data, &os_len);
+ image_multi_getimg(hdr, 0, &os_data, &os_len);
} else {
/* otherwise get image data */
- os_data = image_get_data (hdr);
- os_len = image_get_data_size (hdr);
+ os_data = image_get_data(hdr);
+ os_len = image_get_data_size(hdr);
}
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
- ret = fit_image_get_data (images->fit_hdr_os,
+ ret = fit_image_get_data(images->fit_hdr_os,
images->fit_noffset_os, &data, &len);
if (ret) {
- puts ("Can't get image data/size!\n");
+ puts("Can't get image data/size!\n");
goto error;
}
os_data = (ulong)data;
os_len = (ulong)len;
#endif
} else {
- puts ("Could not find kernel image!\n");
+ puts("Could not find kernel image!\n");
goto error;
}
- base_ptr = load_zimage ((void*)os_data, os_len,
+#ifdef CONFIG_CMD_ZBOOT
+ base_ptr = load_zimage((void *)os_data, os_len,
images->rd_start, images->rd_end - images->rd_start, 0);
+#endif
if (NULL == base_ptr) {
- printf ("## Kernel loading failed ...\n");
+ printf("## Kernel loading failed ...\n");
goto error;
}
#ifdef DEBUG
- printf ("## Transferring control to Linux (at address %08x) ...\n",
+ printf("## Transferring control to Linux (at address %08x) ...\n",
(u32)base_ptr);
#endif
diff --git a/arch/x86/lib/gcc.c b/arch/x86/lib/gcc.c
new file mode 100644
index 0000000000..4043431eca
--- /dev/null
+++ b/arch/x86/lib/gcc.c
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 or later of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#ifdef __GNUC__
+
+/*
+ * GCC's libgcc handling is quite broken. While the libgcc functions
+ * are always regparm(0) the code that calls them uses whatever the
+ * compiler call specifies. Therefore we need a wrapper around those
+ * functions. See gcc bug PR41055 for more information.
+ */
+#define WRAP_LIBGCC_CALL(type, name) \
+ type __normal_##name(type a, type b) __attribute__((regparm(0))); \
+ type __wrap_##name(type a, type b); \
+ type __wrap_##name(type a, type b) { return __normal_##name(a, b); }
+
+WRAP_LIBGCC_CALL(long long, __divdi3)
+WRAP_LIBGCC_CALL(unsigned long long, __udivdi3)
+WRAP_LIBGCC_CALL(long long, __moddi3)
+WRAP_LIBGCC_CALL(unsigned long long, __umoddi3)
+
+#endif
diff --git a/arch/x86/lib/interrupts.c b/arch/x86/lib/interrupts.c
index 04a9c79f9f..76fbe9dc7f 100644
--- a/arch/x86/lib/interrupts.c
+++ b/arch/x86/lib/interrupts.c
@@ -56,8 +56,8 @@ struct irq_action {
};
static struct irq_action irq_handlers[CONFIG_SYS_NUM_IRQS] = { {0} };
-static int spurious_irq_cnt = 0;
-static int spurious_irq = 0;
+static int spurious_irq_cnt;
+static int spurious_irq;
void irq_install_handler(int irq, interrupt_handler_t *handler, void *arg)
{
@@ -70,10 +70,10 @@ void irq_install_handler(int irq, interrupt_handler_t *handler, void *arg)
if (irq_handlers[irq].handler != NULL)
printf("irq_install_handler: 0x%08lx replacing 0x%08lx\n",
- (ulong) handler,
- (ulong) irq_handlers[irq].handler);
+ (ulong) handler,
+ (ulong) irq_handlers[irq].handler);
- status = disable_interrupts ();
+ status = disable_interrupts();
irq_handlers[irq].handler = handler;
irq_handlers[irq].arg = arg;
@@ -96,7 +96,7 @@ void irq_free_handler(int irq)
return;
}
- status = disable_interrupts ();
+ status = disable_interrupts();
mask_irq(irq);
@@ -141,14 +141,14 @@ int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
int irq;
printf("Spurious IRQ: %u, last unknown IRQ: %d\n",
- spurious_irq_cnt, spurious_irq);
+ spurious_irq_cnt, spurious_irq);
- printf ("Interrupt-Information:\n");
- printf ("Nr Routine Arg Count\n");
+ printf("Interrupt-Information:\n");
+ printf("Nr Routine Arg Count\n");
for (irq = 0; irq <= CONFIG_SYS_NUM_IRQS; irq++) {
if (irq_handlers[irq].handler != NULL) {
- printf ("%02d %08lx %08lx %d\n",
+ printf("%02d %08lx %08lx %d\n",
irq,
(ulong)irq_handlers[irq].handler,
(ulong)irq_handlers[irq].arg,
diff --git a/arch/x86/lib/pcat_interrupts.c b/arch/x86/lib/pcat_interrupts.c
index 2caae208eb..5dac4989fe 100644
--- a/arch/x86/lib/pcat_interrupts.c
+++ b/arch/x86/lib/pcat_interrupts.c
@@ -76,7 +76,7 @@ int interrupt_init(void)
* Enable cascaded interrupts by unmasking the cascade IRQ pin of
* the master PIC
*/
- unmask_irq (2);
+ unmask_irq(2);
enable_interrupts();
diff --git a/arch/x86/lib/pcat_timer.c b/arch/x86/lib/pcat_timer.c
index f2a54223af..6b3db69447 100644
--- a/arch/x86/lib/pcat_timer.c
+++ b/arch/x86/lib/pcat_timer.c
@@ -30,7 +30,7 @@
#define TIMER0_VALUE 0x04aa /* 1kHz 1.9318MHz / 1000 */
#define TIMER2_VALUE 0x0a8e /* 440Hz */
-static int timer_init_done = 0;
+static int timer_init_done;
int timer_init(void)
{
@@ -42,18 +42,18 @@ int timer_init(void)
* (to stasrt a beep: write 3 to port 0x61,
* to stop it again: write 0)
*/
- outb (PIT_CMD_CTR0 | PIT_CMD_BOTH | PIT_CMD_MODE2,
- PIT_BASE + PIT_COMMAND);
- outb (TIMER0_VALUE & 0xff, PIT_BASE + PIT_T0);
- outb (TIMER0_VALUE >> 8, PIT_BASE + PIT_T0);
+ outb(PIT_CMD_CTR0 | PIT_CMD_BOTH | PIT_CMD_MODE2,
+ PIT_BASE + PIT_COMMAND);
+ outb(TIMER0_VALUE & 0xff, PIT_BASE + PIT_T0);
+ outb(TIMER0_VALUE >> 8, PIT_BASE + PIT_T0);
- outb (PIT_CMD_CTR2 | PIT_CMD_BOTH | PIT_CMD_MODE3,
- PIT_BASE + PIT_COMMAND);
- outb (TIMER2_VALUE & 0xff, PIT_BASE + PIT_T2);
- outb (TIMER2_VALUE >> 8, PIT_BASE + PIT_T2);
+ outb(PIT_CMD_CTR2 | PIT_CMD_BOTH | PIT_CMD_MODE3,
+ PIT_BASE + PIT_COMMAND);
+ outb(TIMER2_VALUE & 0xff, PIT_BASE + PIT_T2);
+ outb(TIMER2_VALUE >> 8, PIT_BASE + PIT_T2);
- irq_install_handler (0, timer_isr, NULL);
- unmask_irq (0);
+ irq_install_handler(0, timer_isr, NULL);
+ unmask_irq(0);
timer_init_done = 1;
@@ -64,21 +64,20 @@ static u16 read_pit(void)
{
u8 low;
- outb (PIT_CMD_LATCH, PIT_BASE + PIT_COMMAND);
- low = inb (PIT_BASE + PIT_T0);
+ outb(PIT_CMD_LATCH, PIT_BASE + PIT_COMMAND);
+ low = inb(PIT_BASE + PIT_T0);
- return ((inb (PIT_BASE + PIT_T0) << 8) | low);
+ return (inb(PIT_BASE + PIT_T0) << 8) | low;
}
/* this is not very exact */
-void __udelay (unsigned long usec)
+void __udelay(unsigned long usec)
{
int counter;
int wraps;
- if (timer_init_done)
- {
- counter = read_pit ();
+ if (timer_init_done) {
+ counter = read_pit();
wraps = usec / 1000;
usec = usec % 1000;
@@ -92,7 +91,7 @@ void __udelay (unsigned long usec)
}
while (1) {
- int new_count = read_pit ();
+ int new_count = read_pit();
if (((new_count < usec) && !wraps) || wraps < 0)
break;
diff --git a/arch/x86/lib/pci.c b/arch/x86/lib/pci.c
index 593a7db75f..71878dd7dc 100644
--- a/arch/x86/lib/pci.c
+++ b/arch/x86/lib/pci.c
@@ -42,11 +42,13 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
u16 device;
u32 class_code;
+ u32 pci_data;
+
hose = pci_bus_to_hose(PCI_BUS(dev));
-#if 0
- printf("pci_shadow_rom() asked to shadow device %x to %x\n",
+
+ debug("pci_shadow_rom() asked to shadow device %x to %x\n",
dev, (u32)dest);
-#endif
+
pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
pci_read_config_word(dev, PCI_DEVICE_ID, &device);
pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_code);
@@ -67,7 +69,7 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
return -1;
}
- size = (~(addr_reg&PCI_ROM_ADDRESS_MASK))+1;
+ size = (~(addr_reg&PCI_ROM_ADDRESS_MASK)) + 1;
debug("ROM is %d bytes\n", size);
@@ -80,27 +82,25 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
|PCI_ROM_ADDRESS_ENABLE);
- for (i=rom_addr;i<rom_addr+size; i+=512) {
-
-
+ for (i = rom_addr; i < rom_addr + size; i += 512) {
if (readw(i) == 0xaa55) {
- u32 pci_data;
#ifdef PCI_ROM_SCAN_VERBOSE
printf("ROM signature found\n");
#endif
- pci_data = readw(0x18+i);
+ pci_data = readw(0x18 + i);
pci_data += i;
- if (0==memcmp((void*)pci_data, "PCIR", 4)) {
+ if (0 == memcmp((void *)pci_data, "PCIR", 4)) {
#ifdef PCI_ROM_SCAN_VERBOSE
- printf("Fount PCI rom image at offset %d\n", i-rom_addr);
+ printf("Fount PCI rom image at offset %d\n",
+ i - rom_addr);
printf("Vendor %04x device %04x class %06x\n",
- readw(pci_data+4), readw(pci_data+6),
- readl(pci_data+0x0d)&0xffffff);
+ readw(pci_data + 4), readw(pci_data + 6),
+ readl(pci_data + 0x0d) & 0xffffff);
printf("%s\n",
- (readw(pci_data+0x15) &0x80)?
- "Last image":"More images follow");
- switch (readb(pci_data+0x14)) {
+ (readw(pci_data + 0x15) & 0x80) ?
+ "Last image" : "More images follow");
+ switch (readb(pci_data + 0x14)) {
case 0:
printf("X86 code\n");
break;
@@ -111,35 +111,38 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
printf("PARISC code\n");
break;
}
- printf("Image size %d\n", readw(pci_data+0x10) * 512);
+ printf("Image size %d\n",
+ readw(pci_data + 0x10) * 512);
#endif
- /* FixMe: I think we should compare the class code
- * bytes as well but I have no reference on the
- * exact order of these bytes in the PCI ROM header */
- if (readw(pci_data+4) == vendor &&
- readw(pci_data+6) == device &&
- /* (readl(pci_data+0x0d)&0xffffff) == class_code && */
- readb(pci_data+0x14) == 0 /* x86 code image */ ) {
+ /*
+ * FixMe: I think we should compare the class
+ * code bytes as well but I have no reference
+ * on the exact order of these bytes in the PCI
+ * ROM header
+ */
+ if (readw(pci_data + 4) == vendor &&
+ readw(pci_data + 6) == device &&
+ readb(pci_data + 0x14) == 0) {
#ifdef PCI_ROM_SCAN_VERBOSE
- printf("Suitable ROM image found, copying\n");
+ printf("Suitable ROM image found\n");
#endif
- memmove(dest, (void*)rom_addr, readw(pci_data+0x10) * 512);
+ memmove(dest, (void *)rom_addr,
+ readw(pci_data + 0x10) * 512);
res = 0;
break;
}
- if (readw(pci_data+0x15) &0x80) {
+
+ if (readw(pci_data + 0x15) & 0x80)
break;
- }
}
}
}
#ifdef PCI_ROM_SCAN_VERBOSE
- if (res) {
+ if (res)
printf("No suitable image found\n");
- }
#endif
/* disable PAR register and PCI device ROM address devocer */
pci_remove_rom_window(hose, rom_addr);
@@ -148,3 +151,38 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
return res;
}
+
+#ifdef PCI_BIOS_DEBUG
+
+void print_bios_bios_stat(void)
+{
+ printf("16 bit functions:\n");
+ printf("pci_bios_present: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_present));
+ printf("pci_bios_find_device: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_find_device));
+ printf("pci_bios_find_class: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_find_class));
+ printf("pci_bios_generate_special_cycle: %d\n",
+ RELOC_16_LONG(0xf000,
+ num_pci_bios_generate_special_cycle));
+ printf("pci_bios_read_cfg_byte: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_byte));
+ printf("pci_bios_read_cfg_word: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_word));
+ printf("pci_bios_read_cfg_dword: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_dword));
+ printf("pci_bios_write_cfg_byte: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_byte));
+ printf("pci_bios_write_cfg_word: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_word));
+ printf("pci_bios_write_cfg_dword: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_dword));
+ printf("pci_bios_get_irq_routing: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_get_irq_routing));
+ printf("pci_bios_set_irq: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_set_irq));
+ printf("pci_bios_unknown_function: %d\n",
+ RELOC_16_LONG(0xf000, num_pci_bios_unknown_function));
+}
+#endif
diff --git a/arch/x86/lib/pci_type1.c b/arch/x86/lib/pci_type1.c
index da1d3566ad..a25fa051d5 100644
--- a/arch/x86/lib/pci_type1.c
+++ b/arch/x86/lib/pci_type1.c
@@ -29,7 +29,7 @@
#include <asm/io.h>
#include <pci.h>
-#define cfg_read(val, addr, op) *val = op((int)(addr))
+#define cfg_read(val, addr, op) (*val = op((int)(addr)))
#define cfg_write(val, addr, op) op((val), (int)(addr))
#define TYPE1_PCI_OP(rw, size, type, op, mask) \
@@ -42,7 +42,6 @@ type1_##rw##_config_##size(struct pci_controller *hose, \
return 0; \
}
-
TYPE1_PCI_OP(read, byte, u8 *, inb, 3)
TYPE1_PCI_OP(read, word, u16 *, inw, 2)
TYPE1_PCI_OP(read, dword, u32 *, inl, 0)
@@ -51,7 +50,11 @@ TYPE1_PCI_OP(write, byte, u8, outb, 3)
TYPE1_PCI_OP(write, word, u16, outw, 2)
TYPE1_PCI_OP(write, dword, u32, outl, 0)
-void pci_setup_type1(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data)
+/* bus mapping constants (used for PCI core initialization) */
+#define PCI_REG_ADDR 0x00000cf8
+#define PCI_REG_DATA 0x00000cfc
+
+void pci_setup_type1(struct pci_controller *hose)
{
pci_set_ops(hose,
type1_read_config_byte,
@@ -61,6 +64,6 @@ void pci_setup_type1(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data)
type1_write_config_word,
type1_write_config_dword);
- hose->cfg_addr = (unsigned int *) cfg_addr;
- hose->cfg_data = (unsigned char *) cfg_data;
+ hose->cfg_addr = (unsigned int *)PCI_REG_ADDR;
+ hose->cfg_data = (unsigned char *)PCI_REG_DATA;
}
diff --git a/arch/x86/lib/realmode.c b/arch/x86/lib/realmode.c
index 6aa0f23a1a..75511b2bdf 100644
--- a/arch/x86/lib/realmode.c
+++ b/arch/x86/lib/realmode.c
@@ -26,15 +26,12 @@
#include <asm/ptrace.h>
#include <asm/realmode.h>
-#define REALMODE_MAILBOX ((char*)0xe00)
-
-extern ulong __realmode_start;
-extern ulong __realmode_size;
-extern char realmode_enter;
+#define REALMODE_MAILBOX ((char *)0xe00)
int realmode_setup(void)
{
- ulong realmode_start = (ulong)&__realmode_start + gd->reloc_off;
+ /* The realmode section is not relocated and still in the ROM. */
+ ulong realmode_start = (ulong)&__realmode_start;
ulong realmode_size = (ulong)&__realmode_size;
/* copy the realmode switch code */
@@ -63,15 +60,14 @@ int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out)
in->eip = off;
in->xcs = seg;
- if (3>(in->esp & 0xffff)) {
+ if ((in->esp & 0xffff) < 4)
printf("Warning: entering realmode with sp < 4 will fail\n");
- }
memcpy(REALMODE_MAILBOX, in, sizeof(struct pt_regs));
asm("wbinvd\n");
__asm__ volatile (
- "lcall $0x20,%0\n" : : "i" (&realmode_enter) );
+ "lcall $0x20,%0\n" : : "i" (&realmode_enter));
asm("wbinvd\n");
memcpy(out, REALMODE_MAILBOX, sizeof(struct pt_regs));
@@ -79,9 +75,10 @@ int enter_realmode(u16 seg, u16 off, struct pt_regs *in, struct pt_regs *out)
return out->eax;
}
-
-/* This code is supposed to access a realmode interrupt
- * it does currently not work for me */
+/*
+ * This code is supposed to access a realmode interrupt
+ * it does currently not work for me
+ */
int enter_realmode_int(u8 lvl, struct pt_regs *in, struct pt_regs *out)
{
/* place two instructions at 0x700 */
@@ -92,5 +89,5 @@ int enter_realmode_int(u8 lvl, struct pt_regs *in, struct pt_regs *out)
enter_realmode(0x00, 0x700, in, out);
- return out->eflags&1;
+ return out->eflags & 0x00000001;
}
diff --git a/arch/x86/lib/string.c b/arch/x86/lib/string.c
new file mode 100644
index 0000000000..f2ea7e4e33
--- /dev/null
+++ b/arch/x86/lib/string.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 1991,1992,1993,1997,1998,2003, 2005 Free Software Foundation, Inc.
+ * This file is part of the GNU C Library.
+ * Copyright (c) 2011 The Chromium OS Authors.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* From glibc-2.14, sysdeps/i386/memset.c */
+
+#include <compiler.h>
+#include <asm/string.h>
+#include <linux/types.h>
+
+typedef uint32_t op_t;
+
+void *memset(void *dstpp, int c, size_t len)
+{
+ int d0;
+ unsigned long int dstp = (unsigned long int) dstpp;
+
+ /* This explicit register allocation improves code very much indeed. */
+ register op_t x asm("ax");
+
+ x = (unsigned char) c;
+
+ /* Clear the direction flag, so filling will move forward. */
+ asm volatile("cld");
+
+ /* This threshold value is optimal. */
+ if (len >= 12) {
+ /* Fill X with four copies of the char we want to fill with. */
+ x |= (x << 8);
+ x |= (x << 16);
+
+ /* Adjust LEN for the bytes handled in the first loop. */
+ len -= (-dstp) % sizeof(op_t);
+
+ /*
+ * There are at least some bytes to set. No need to test for
+ * LEN == 0 in this alignment loop.
+ */
+
+ /* Fill bytes until DSTP is aligned on a longword boundary. */
+ asm volatile(
+ "rep\n"
+ "stosb" /* %0, %2, %3 */ :
+ "=D" (dstp), "=c" (d0) :
+ "0" (dstp), "1" ((-dstp) % sizeof(op_t)), "a" (x) :
+ "memory");
+
+ /* Fill longwords. */
+ asm volatile(
+ "rep\n"
+ "stosl" /* %0, %2, %3 */ :
+ "=D" (dstp), "=c" (d0) :
+ "0" (dstp), "1" (len / sizeof(op_t)), "a" (x) :
+ "memory");
+ len %= sizeof(op_t);
+ }
+
+ /* Write the last few bytes. */
+ asm volatile(
+ "rep\n"
+ "stosb" /* %0, %2, %3 */ :
+ "=D" (dstp), "=c" (d0) :
+ "0" (dstp), "1" (len), "a" (x) :
+ "memory");
+
+ return dstpp;
+}
diff --git a/arch/x86/lib/timer.c b/arch/x86/lib/timer.c
index 8b1bde708c..fd7032e92c 100644
--- a/arch/x86/lib/timer.c
+++ b/arch/x86/lib/timer.c
@@ -35,15 +35,15 @@ struct timer_isr_function {
timer_fnc_t *isr_func;
};
-static struct timer_isr_function *first_timer_isr = NULL;
-static volatile unsigned long system_ticks = 0;
+static struct timer_isr_function *first_timer_isr;
+static unsigned long system_ticks;
/*
* register_timer_isr() allows multiple architecture and board specific
* functions to be called every millisecond. Keep the execution time of
* each function as low as possible
*/
-int register_timer_isr (timer_fnc_t *isr_func)
+int register_timer_isr(timer_fnc_t *isr_func)
{
struct timer_isr_function *new_func;
struct timer_isr_function *temp;
@@ -61,7 +61,7 @@ int register_timer_isr (timer_fnc_t *isr_func)
* Don't allow timer interrupts while the
* linked list is being modified
*/
- flag = disable_interrupts ();
+ flag = disable_interrupts();
if (first_timer_isr == NULL) {
first_timer_isr = new_func;
@@ -73,7 +73,7 @@ int register_timer_isr (timer_fnc_t *isr_func)
}
if (flag)
- enable_interrupts ();
+ enable_interrupts();
return 0;
}
@@ -89,12 +89,12 @@ void timer_isr(void *unused)
/* Execute each registered function */
while (temp != NULL) {
- temp->isr_func ();
+ temp->isr_func();
temp = temp->next;
}
}
-ulong get_timer (ulong base)
+ulong get_timer(ulong base)
{
- return (system_ticks - base);
+ return system_ticks - base;
}
diff --git a/arch/x86/lib/video.c b/arch/x86/lib/video.c
index 0efcf3f453..3d6b24d620 100644
--- a/arch/x86/lib/video.c
+++ b/arch/x86/lib/video.c
@@ -123,7 +123,7 @@ static void __video_putc(const char c, int *x, int *y)
static void video_putc(const char c)
{
- int x,y,pos;
+ int x, y, pos;
x = orig_x;
y = orig_y;
@@ -142,7 +142,7 @@ static void video_putc(const char c)
static void video_puts(const char *s)
{
- int x,y,pos;
+ int x, y, pos;
char c;
x = orig_x;
@@ -187,7 +187,7 @@ int video_init(void)
printf("pos %x %d %d\n", pos, orig_x, orig_y);
#endif
if (orig_y > lines)
- orig_x = orig_y =0;
+ orig_x = orig_y = 0;
memset(&vga_dev, 0, sizeof(vga_dev));
strcpy(vga_dev.name, "vga");
diff --git a/arch/x86/lib/video_bios.c b/arch/x86/lib/video_bios.c
index 7574f771fd..1e06759d9e 100644
--- a/arch/x86/lib/video_bios.c
+++ b/arch/x86/lib/video_bios.c
@@ -28,86 +28,55 @@
#include <asm/realmode.h>
#include <asm/io.h>
#include <asm/pci.h>
+#include "bios.h"
#undef PCI_BIOS_DEBUG
#undef VGA_BIOS_DEBUG
#ifdef VGA_BIOS_DEBUG
-#define PRINTF(fmt,args...) printf (fmt ,##args)
+#define PRINTF(fmt, args...) printf(fmt, ##args)
#else
-#define PRINTF(fmt,args...)
+#define PRINTF(fmt, args...)
#endif
-#ifdef CONFIG_PCI
+#define PCI_CLASS_VIDEO 3
+#define PCI_CLASS_VIDEO_STD 0
+#define PCI_CLASS_VIDEO_PROG_IF_VGA 0
-#ifdef PCI_BIOS_DEBUG
-#define RELOC_16(seg, off) *(u32*)(seg << 4 | (u32)&off)
-extern u32 num_pci_bios_present;
-extern u32 num_pci_bios_find_device;
-extern u32 num_pci_bios_find_class;
-extern u32 num_pci_bios_generate_special_cycle;
-extern u32 num_pci_bios_read_cfg_byte;
-extern u32 num_pci_bios_read_cfg_word;
-extern u32 num_pci_bios_read_cfg_dword;
-extern u32 num_pci_bios_write_cfg_byte;
-extern u32 num_pci_bios_write_cfg_word;
-extern u32 num_pci_bios_write_cfg_dword;
-extern u32 num_pci_bios_get_irq_routing;
-extern u32 num_pci_bios_set_irq;
-extern u32 num_pci_bios_unknown_function;
-
-void print_bios_bios_stat(void)
-{
- printf("16 bit functions:\n");
- printf("pci_bios_present: %d\n", RELOC_16(0xf000, num_pci_bios_present));
- printf("pci_bios_find_device: %d\n", RELOC_16(0xf000, num_pci_bios_find_device));
- printf("pci_bios_find_class: %d\n", RELOC_16(0xf000, num_pci_bios_find_class));
- printf("pci_bios_generate_special_cycle: %d\n", RELOC_16(0xf000, num_pci_bios_generate_special_cycle));
- printf("pci_bios_read_cfg_byte: %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_byte));
- printf("pci_bios_read_cfg_word: %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_word));
- printf("pci_bios_read_cfg_dword: %d\n", RELOC_16(0xf000, num_pci_bios_read_cfg_dword));
- printf("pci_bios_write_cfg_byte: %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_byte));
- printf("pci_bios_write_cfg_word: %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_word));
- printf("pci_bios_write_cfg_dword: %d\n", RELOC_16(0xf000, num_pci_bios_write_cfg_dword));
- printf("pci_bios_get_irq_routing: %d\n", RELOC_16(0xf000, num_pci_bios_get_irq_routing));
- printf("pci_bios_set_irq: %d\n", RELOC_16(0xf000, num_pci_bios_set_irq));
- printf("pci_bios_unknown_function: %d\n", RELOC_16(0xf000, num_pci_bios_unknown_function));
-
-}
-#endif
-
-#ifdef CONFIG_VIDEO
-
-#define PCI_CLASS_VIDEO 3
-#define PCI_CLASS_VIDEO_STD 0
-#define PCI_CLASS_VIDEO_PROG_IF_VGA 0
-
-static struct pci_device_id supported[] = {
+DEFINE_PCI_DEVICE_TABLE(supported) = {
{PCI_VIDEO_VENDOR_ID, PCI_VIDEO_DEVICE_ID},
{}
};
static u32 probe_pci_video(void)
{
- pci_dev_t devbusfn;
+ struct pci_controller *hose;
+ pci_dev_t devbusfn = pci_find_devices(supported, 0);
- if ((devbusfn = pci_find_devices(supported, 0) != -1)) {
+ if ((devbusfn != -1)) {
u32 old;
u32 addr;
/* PCI video device detected */
printf("Found PCI VGA device at %02x.%02x.%x\n",
- PCI_BUS(devbusfn), PCI_DEV(devbusfn), PCI_FUNC(devbusfn));
+ PCI_BUS(devbusfn),
+ PCI_DEV(devbusfn),
+ PCI_FUNC(devbusfn));
/* Enable I/O decoding as well, PCI viudeo boards
* support I/O accesses, but they provide no
* bar register for this since the ports are fixed.
*/
- pci_write_config_word(devbusfn, PCI_COMMAND, PCI_COMMAND_MEMORY | PCI_COMMAND_IO | PCI_COMMAND_MASTER);
+ pci_write_config_word(devbusfn,
+ PCI_COMMAND,
+ PCI_COMMAND_MEMORY |
+ PCI_COMMAND_IO |
+ PCI_COMMAND_MASTER);
/* Test the ROM decoder, do the device support a rom? */
pci_read_config_dword(devbusfn, PCI_ROM_ADDRESS, &old);
- pci_write_config_dword(devbusfn, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK);
+ pci_write_config_dword(devbusfn, PCI_ROM_ADDRESS,
+ (u32)PCI_ROM_ADDRESS_MASK);
pci_read_config_dword(devbusfn, PCI_ROM_ADDRESS, &addr);
pci_write_config_dword(devbusfn, PCI_ROM_ADDRESS, old);
@@ -117,13 +86,14 @@ static u32 probe_pci_video(void)
}
/* device have a rom */
- if (pci_shadow_rom(devbusfn, (void*)0xc0000)) {
+ if (pci_shadow_rom(devbusfn, (void *)0xc0000)) {
printf("Shadowing of PCI VGA BIOS failed\n");
return 0;
}
/* Now enable lagacy VGA port access */
- if (pci_enable_legacy_video_ports(pci_bus_to_hose(PCI_BUS(devbusfn)))) {
+ hose = pci_bus_to_hose(PCI_BUS(devbusfn));
+ if (pci_enable_legacy_video_ports(hose)) {
printf("PCI VGA enable failed\n");
return 0;
}
@@ -131,7 +101,7 @@ static u32 probe_pci_video(void)
/* return the pci device info, that we'll need later */
return PCI_BUS(devbusfn) << 8 |
- PCI_DEV(devbusfn) << 3 | (PCI_FUNC(devbusfn)&7);
+ PCI_DEV(devbusfn) << 3 | (PCI_FUNC(devbusfn) & 7);
}
return 0;
@@ -142,13 +112,17 @@ static int probe_isa_video(void)
u32 ptr;
char *buf;
- if (0 == (ptr = isa_map_rom(0xc0000, 0x8000))) {
+ ptr = isa_map_rom(0xc0000, 0x8000);
+
+ if (!ptr)
return -1;
- }
- if (NULL == (buf=malloc(0x8000))) {
+
+ buf = malloc(0x8000);
+ if (!buf) {
isa_unmap_rom(ptr);
return -1;
}
+
if (readw(ptr) != 0xaa55) {
free(buf);
isa_unmap_rom(ptr);
@@ -156,9 +130,9 @@ static int probe_isa_video(void)
}
/* shadow the rom */
- memcpy(buf, (void*)ptr, 0x8000);
+ memcpy(buf, (void *)ptr, 0x8000);
isa_unmap_rom(ptr);
- memcpy((void*)0xc0000, buf, 0x8000);
+ memcpy((void *)0xc0000, buf, 0x8000);
free(buf);
@@ -168,35 +142,35 @@ static int probe_isa_video(void)
int video_bios_init(void)
{
struct pt_regs regs;
+ int size;
+ int i;
+ u8 sum;
/* clear the video bios area in case we warmbooted */
- memset((void*)0xc0000, 0, 0x8000);
+ memset((void *)0xc0000, 0, 0x8000);
memset(&regs, 0, sizeof(struct pt_regs));
- if (probe_isa_video()) {
+ if (probe_isa_video())
/* No ISA board found, try the PCI bus */
regs.eax = probe_pci_video();
- }
/* Did we succeed in mapping any video bios */
if (readw(0xc0000) == 0xaa55) {
- int size;
- int i;
- u8 sum;
-
PRINTF("Found video bios signature\n");
- size = 512*readb(0xc0002);
+ size = readb(0xc0002) * 512;
PRINTF("size %d\n", size);
- sum=0;
- for (i=0;i<size;i++) {
+ sum = 0;
+
+ for (i = 0; i < size; i++)
sum += readb(0xc0000 + i);
- }
- PRINTF("Checksum is %sOK\n",sum?"NOT ":"");
- if (sum) {
+
+ PRINTF("Checksum is %sOK\n", sum ? "NOT " : "");
+
+ if (sum)
return 1;
- }
- /* some video bioses (ATI Mach64) seem to think that
+ /*
+ * Some video bioses (ATI Mach64) seem to think that
* the original int 10 handler is always at
* 0xf000:0xf065 , place an iret instruction there
*/
@@ -205,18 +179,18 @@ int video_bios_init(void)
regs.esp = 0x8000;
regs.xss = 0x2000;
enter_realmode(0xc000, 3, &regs, &regs);
+
PRINTF("INT 0x10 vector after: %04x:%04x\n",
readw(0x42), readw(0x40));
- PRINTF("BIOS returned %scarry\n", regs.eflags & 1?"":"NOT ");
+ PRINTF("BIOS returned %scarry\n",
+ regs.eflags & 0x00000001 ? "" : "NOT ");
#ifdef PCI_BIOS_DEBUG
print_bios_bios_stat();
#endif
- return (regs.eflags & 1);
+ return regs.eflags & 0x00000001;
}
return 1;
}
-#endif
-#endif
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index d2dd6fd449..8b42b5cafa 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -45,11 +45,11 @@
* 0x8000-0x8FFF Stack and heap
* 0x9000-0x90FF Kernel command line
*/
-#define DEFAULT_SETUP_BASE 0x90000
-#define COMMAND_LINE_OFFSET 0x9000
-#define HEAP_END_OFFSET 0x8e00
+#define DEFAULT_SETUP_BASE 0x90000
+#define COMMAND_LINE_OFFSET 0x9000
+#define HEAP_END_OFFSET 0x8e00
-#define COMMAND_LINE_SIZE 2048
+#define COMMAND_LINE_SIZE 2048
static void build_command_line(char *command_line, int auto_boot)
{
@@ -60,23 +60,20 @@ static void build_command_line(char *command_line, int auto_boot)
env_command_line = getenv("bootargs");
/* set console= argument if we use a serial console */
- if (NULL == strstr(env_command_line, "console=")) {
- if (0==strcmp(getenv("stdout"), "serial")) {
+ if (!strstr(env_command_line, "console=")) {
+ if (!strcmp(getenv("stdout"), "serial")) {
/* We seem to use serial console */
sprintf(command_line, "console=ttyS0,%s ",
- getenv("baudrate"));
+ getenv("baudrate"));
}
}
- if (auto_boot) {
+ if (auto_boot)
strcat(command_line, "auto ");
- }
- if (NULL != env_command_line) {
+ if (env_command_line)
strcat(command_line, env_command_line);
- }
-
printf("Kernel command line: \"%s\"\n", command_line);
}
@@ -90,14 +87,16 @@ void *load_zimage(char *image, unsigned long kernel_size,
int bootproto;
int big_image;
void *load_address;
+ struct setup_header *hdr;
- struct setup_header *hdr = (struct setup_header *)(image + SETUP_SECTS_OFF);
+ hdr = (struct setup_header *)(image + SETUP_SECTS_OFF);
- setup_base = (void*)DEFAULT_SETUP_BASE; /* base address for real-mode segment */
+ /* base address for real-mode segment */
+ setup_base = (void *)DEFAULT_SETUP_BASE;
if (KERNEL_MAGIC != hdr->boot_flag) {
printf("Error: Invalid Boot Flag (found 0x%04x, expected 0x%04x)\n",
- hdr->boot_flag, KERNEL_MAGIC);
+ hdr->boot_flag, KERNEL_MAGIC);
return 0;
} else {
printf("Valid Boot Flag\n");
@@ -124,43 +123,50 @@ void *load_zimage(char *image, unsigned long kernel_size,
printf("Setup Size = 0x%8.8lx\n", (ulong)setup_size);
- if (setup_size > SETUP_MAX_SIZE) {
+ if (setup_size > SETUP_MAX_SIZE)
printf("Error: Setup is too large (%d bytes)\n", setup_size);
- }
/* Determine image type */
- big_image = (bootproto >= 0x0200) && (hdr->loadflags & BIG_KERNEL_FLAG);
+ big_image = (bootproto >= 0x0200) &&
+ (hdr->loadflags & BIG_KERNEL_FLAG);
/* Determine load address */
- load_address = (void*)(big_image ? BZIMAGE_LOAD_ADDR : ZIMAGE_LOAD_ADDR);
+ load_address = (void *)(big_image ?
+ BZIMAGE_LOAD_ADDR :
+ ZIMAGE_LOAD_ADDR);
/* load setup */
- printf("Moving Real-Mode Code to 0x%8.8lx (%d bytes)\n", (ulong)setup_base, setup_size);
+ printf("Moving Real-Mode Code to 0x%8.8lx (%d bytes)\n",
+ (ulong)setup_base, setup_size);
memmove(setup_base, image, setup_size);
printf("Using boot protocol version %x.%02x\n",
(bootproto & 0xff00) >> 8, bootproto & 0xff);
if (bootproto == 0x0100) {
+ *(u16 *)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC;
+ *(u16 *)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET;
- *(u16*)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC;
- *(u16*)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET;
-
- /* A very old kernel MUST have its real-mode code
- * loaded at 0x90000 */
-
+ /*
+ * A very old kernel MUST have its real-mode code
+ * loaded at 0x90000
+ */
if ((u32)setup_base != 0x90000) {
/* Copy the real-mode kernel */
- memmove((void*)0x90000, setup_base, setup_size);
+ memmove((void *)0x90000, setup_base, setup_size);
+
/* Copy the command line */
- memmove((void*)0x99000, setup_base+COMMAND_LINE_OFFSET,
- COMMAND_LINE_SIZE);
+ memmove((void *)0x99000,
+ setup_base + COMMAND_LINE_OFFSET,
+ COMMAND_LINE_SIZE);
- setup_base = (void*)0x90000; /* Relocated */
+ /* Relocated */
+ setup_base = (void *)0x90000;
}
/* It is recommended to clear memory up to the 32K mark */
- memset((void*)0x90000 + setup_size, 0, SETUP_MAX_SIZE-setup_size);
+ memset((void *)0x90000 + setup_size, 0,
+ SETUP_MAX_SIZE-setup_size);
}
/* We are now setting up the real-mode version of the header */
@@ -170,8 +176,9 @@ void *load_zimage(char *image, unsigned long kernel_size,
hdr->type_of_loader = 8;
if (hdr->setup_sects >= 15)
- printf("Linux kernel version %s\n", (char *)
- (setup_base + (hdr->kernel_version + 0x200)));
+ printf("Linux kernel version %s\n",
+ (char *)(setup_base +
+ (hdr->kernel_version + 0x200)));
else
printf("Setup Sectors < 15 - Cannot print kernel version.\n");
@@ -193,8 +200,8 @@ void *load_zimage(char *image, unsigned long kernel_size,
hdr->cmd_line_ptr = (u32)setup_base + COMMAND_LINE_OFFSET;
} else if (bootproto >= 0x0200) {
- *(u16*)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC;
- *(u16*)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET;
+ *(u16 *)(setup_base + CMD_LINE_MAGIC_OFF) = COMMAND_LINE_MAGIC;
+ *(u16 *)(setup_base + CMD_LINE_OFFSET_OFF) = COMMAND_LINE_OFFSET;
hdr->setup_move_size = 0x9100;
}
@@ -221,8 +228,8 @@ void *load_zimage(char *image, unsigned long kernel_size,
/* build command line at COMMAND_LINE_OFFSET */
build_command_line(setup_base + COMMAND_LINE_OFFSET, auto_boot);
- printf("Loading %czImage at address 0x%08x (%ld bytes)\n", big_image ? 'b' : ' ',
- (u32)load_address, kernel_size);
+ printf("Loading %czImage at address 0x%08x (%ld bytes)\n",
+ big_image ? 'b' : ' ', (u32)load_address, kernel_size);
memmove(load_address, image + setup_size, kernel_size);
@@ -241,10 +248,11 @@ void boot_zimage(void *setup_base)
regs.xss = regs.xds;
regs.esp = 0x9000;
regs.eflags = 0;
- enter_realmode(((u32)setup_base+SETUP_START_OFFSET)>>4, 0, &regs, &regs);
+ enter_realmode(((u32)setup_base+SETUP_START_OFFSET)>>4, 0, &regs,
+ &regs);
}
-int do_zboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_zboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
void *base_ptr;
void *bzImage_addr = NULL;
@@ -270,12 +278,12 @@ int do_zboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
bzImage_size = simple_strtoul(argv[2], NULL, 16);
/* Lets look for*/
- base_ptr = load_zimage (bzImage_addr, bzImage_size, 0, 0, 0);
+ base_ptr = load_zimage(bzImage_addr, bzImage_size, 0, 0, 0);
- if (NULL == base_ptr) {
- printf ("## Kernel loading failed ...\n");
+ if (!base_ptr) {
+ printf("## Kernel loading failed ...\n");
} else {
- printf ("## Transferring control to Linux (at address %08x) ...\n",
+ printf("## Transferring control to Linux (at address %08x) ...\n",
(u32)base_ptr);
/* we assume that the kernel is in place */