| #include "pal.h" |
| #include SYSTEM_H |
| |
| /* |
| * Sys_Setup |
| * |
| * Do any system specific setup necessary. |
| * |
| * INPUT PARAMETERS |
| * |
| * r16 (a0) = whami |
| * r26 (ra) = return address |
| */ |
| .globl Sys_Setup |
| .ent Sys_Setup |
| Sys_Setup: |
| .frame $sp, 0, p7, 0 |
| lda t0, TYPHOON_CCHIP_DIM0 |
| lda t1, TYPHOON_CCHIP_DIM2 |
| lda t2, TYPHOON_CCHIP_IIC0 |
| lda t3, TYPHOON_CCHIP_IIC2 |
| and a0, 2, t4 |
| cmovne t4, t1, t0 |
| cmovne t4, t3, t2 |
| and a0, 1, t4 |
| sll t4, 6, t4 |
| addq t0, t4, t0 |
| addq t2, t4, t2 |
| LOAD_PHYS_CCHIP t4 |
| addq t0, t4, t0 |
| addq t2, t4, t2 |
| mtpr t0, ptCpuDIR |
| mtpr t2, ptCpuIIC |
| ret |
| .end Sys_Setup |
| |
| /* |
| * Cserve_Ena |
| * |
| * Unmask a PCI interrupt |
| */ |
| .globl Cserve_Ena |
| Cserve_Ena: |
| // FIXME |
| hw_rei |
| ENDFN Cserve_Ena |
| |
| /* |
| * Cserve_Dis |
| * |
| * Mask a PCI interrupt |
| */ |
| .globl Cserve_Dis |
| Cserve_Dis: |
| // FIXME |
| hw_rei |
| ENDFN Cserve_Dis |
| |
| /* |
| * inb |
| * |
| * Read a byte from the PCI I/O bus. |
| */ |
| .globl inb |
| .ent inb |
| inb: |
| .frame $sp, 0, $26, 0 |
| .prologue 0 |
| LOAD_KSEG_PCI_IO v0 |
| addq v0, a0, v0 |
| ldbu v0, 0(v0) |
| ret |
| .end inb |
| |
| /* |
| * outb |
| * |
| * Write a byte to the PCI I/O bus. |
| */ |
| .globl outb |
| .ent outb |
| outb: |
| .frame $sp, 0, $26, 0 |
| .prologue 0 |
| LOAD_KSEG_PCI_IO p0 |
| addq p0, a1, p0 |
| stb a0, 0(p0) |
| ret |
| .end outb |
| |
