mirror of
https://gitlab.com/qemu-project/openbios.git
synced 2024-02-13 08:34:06 +08:00
5205e45840
git-svn-id: svn://coreboot.org/openbios/openbios-devel@189 f158a5a8-5612-0410-a976-696ce0be7e32
584 lines
12 KiB
C
584 lines
12 KiB
C
/*
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* OpenBIOS SBus driver
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*
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* (C) 2004 Stefan Reinauer <stepan@openbios.org>
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* (C) 2005 Ed Schouten <ed@fxq.nl>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2
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*
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*/
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#include "openbios/config.h"
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#include "openbios/bindings.h"
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#include "openbios/kernel.h"
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#include "libc/byteorder.h"
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#include "libc/vsprintf.h"
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#include "openbios/drivers.h"
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#define SBUS_REGS 0x28
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#define SBUS_SLOTS 16
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#define APC_REGS 0x10
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#define APC_OFFSET 0x0a000000ULL
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#define CS4231_REGS 0x40
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#define CS4231_OFFSET 0x0c000000ULL
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#define MACIO_ESPDMA 0x00400000ULL /* ESP DMA controller */
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#define MACIO_ESP 0x00800000ULL /* ESP SCSI */
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#define SS600MP_ESPDMA 0x00081000ULL
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#define SS600MP_ESP 0x00080000ULL
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#define SS600MP_LEBUFFER (SS600MP_ESPDMA + 0x10) // XXX should be 0x40000
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static void
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ob_sbus_node_init(uint64_t base)
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{
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void *regs;
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push_str("/iommu/sbus");
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fword("find-device");
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PUSH(base >> 32);
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fword("encode-int");
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PUSH(base & 0xffffffff);
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fword("encode-int");
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fword("encode+");
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PUSH(SBUS_REGS);
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fword("encode-int");
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fword("encode+");
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push_str("reg");
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fword("property");
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regs = map_io(base, SBUS_REGS);
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PUSH((unsigned long)regs);
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fword("encode-int");
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push_str("address");
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fword("property");
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}
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static void
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ob_le_init(unsigned int slot, unsigned long leoffset, unsigned long dmaoffset)
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{
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push_str("/iommu/sbus/ledma");
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fword("find-device");
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PUSH(slot);
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fword("encode-int");
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PUSH(dmaoffset);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00000020);
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fword("encode-int");
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fword("encode+");
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push_str("reg");
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fword("property");
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push_str("/iommu/sbus/ledma/le");
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fword("find-device");
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PUSH(slot);
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fword("encode-int");
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PUSH(leoffset);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00000004);
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fword("encode-int");
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fword("encode+");
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push_str("reg");
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fword("property");
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}
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uint16_t graphic_depth;
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static void
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ob_tcx_init(unsigned int slot)
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{
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push_str("/iommu/sbus/SUNW,tcx");
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fword("find-device");
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PUSH(slot);
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fword("encode-int");
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PUSH(0x00800000);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00100000);
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x02000000);
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00400000);
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} else {
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PUSH(0x00000001);
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}
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x04000000);
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00400000);
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} else {
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PUSH(0x00000001);
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}
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x06000000);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00800000);
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x0a000000);
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00400000);
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} else {
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PUSH(0x00000001);
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}
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x0c000000);
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00800000);
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} else {
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PUSH(0x00000001);
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}
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x0e000000);
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00800000);
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} else {
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PUSH(0x00000001);
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}
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00700000);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00001000);
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00200000);
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00004000);
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} else {
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PUSH(0x00000004);
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}
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00301000);
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} else {
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PUSH(0x00300000);
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}
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00001000);
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} else {
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PUSH(0x0000081c);
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}
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00000000);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00010000);
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00240000);
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00004000);
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} else {
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PUSH(0x00000004);
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}
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fword("encode-int");
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fword("encode+");
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PUSH(slot);
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fword("encode-int");
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fword("encode+");
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PUSH(0x00280000);
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fword("encode-int");
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fword("encode+");
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if (graphic_depth == 24) {
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PUSH(0x00008000);
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} else {
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PUSH(0x00000001);
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}
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fword("encode-int");
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fword("encode+");
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push_str("reg");
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fword("property");
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PUSH((int)graphic_depth);
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fword("encode-int");
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push_str("depth");
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fword("property");
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if (graphic_depth == 8) {
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push_str("true");
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fword("encode-string");
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push_str("tcx-8-bit");
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fword("property");
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}
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}
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static void
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ob_apc_init(unsigned int slot, unsigned long base)
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{
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push_str("/iommu/sbus");
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fword("find-device");
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fword("new-device");
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push_str("power-management");
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fword("device-name");
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PUSH(slot);
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fword("encode-int");
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PUSH(base);
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fword("encode-int");
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fword("encode+");
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PUSH(APC_REGS);
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fword("encode-int");
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fword("encode+");
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push_str("reg");
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fword("property");
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fword("finish-device");
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}
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static void
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ob_cs4231_init(unsigned int slot)
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{
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push_str("/iommu/sbus");
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fword("find-device");
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fword("new-device");
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push_str("SUNW,CS4231");
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fword("device-name");
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push_str("serial");
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fword("device-type");
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PUSH(slot);
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fword("encode-int");
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PUSH(CS4231_OFFSET);
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fword("encode-int");
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fword("encode+");
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PUSH(CS4231_REGS);
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fword("encode-int");
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fword("encode+");
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push_str("reg");
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fword("property");
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PUSH(5);
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fword("encode-int");
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PUSH(0);
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fword("encode-int");
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fword("encode+");
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push_str("intr");
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fword("property");
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PUSH(5);
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fword("encode-int");
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push_str("interrupts");
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fword("property");
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push_str("audio");
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fword("encode-string");
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push_str("alias");
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fword("property");
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fword("finish-device");
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}
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static void
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ob_macio_init(unsigned int slot, uint64_t base, unsigned long offset)
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{
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// All devices were integrated to NCR89C100, see
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// http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C100.txt
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// NCR 53c9x, aka ESP. See
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// http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR53C9X.txt
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#ifdef CONFIG_DRIVER_ESP
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ob_esp_init(slot, base, offset + MACIO_ESP, offset + MACIO_ESPDMA);
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#endif
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// NCR 92C990, Am7990, Lance. See http://www.amd.com
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ob_le_init(slot, offset + 0x00c00000, offset + 0x00400010);
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// Parallel port
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//ob_bpp_init(base);
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}
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static void
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sbus_probe_slot_ss5(unsigned int slot, uint64_t base)
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{
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// OpenBIOS and Qemu don't know how to do Sbus probing
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switch(slot) {
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case 3: // SUNW,tcx
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ob_tcx_init(slot);
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break;
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case 4:
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// SUNW,CS4231
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ob_cs4231_init(slot);
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// Power management (APC)
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ob_apc_init(slot, APC_OFFSET);
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break;
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case 5: // MACIO: le, esp, bpp
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ob_macio_init(slot, base, 0x08000000);
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break;
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default:
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break;
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}
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}
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static void
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sbus_probe_slot_ss10(unsigned int slot, uint64_t base)
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{
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// OpenBIOS and Qemu don't know how to do Sbus probing
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switch(slot) {
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case 2: // SUNW,tcx
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ob_tcx_init(slot);
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break;
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case 0xf: // le, esp, bpp, power-management
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ob_macio_init(slot, base, 0);
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// Power management (APC) XXX should not exist
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ob_apc_init(slot, APC_OFFSET);
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break;
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default:
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break;
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}
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}
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static void
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sbus_probe_slot_ss600mp(unsigned int slot, uint64_t base)
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{
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// OpenBIOS and Qemu don't know how to do Sbus probing
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switch(slot) {
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case 2: // SUNW,tcx
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ob_tcx_init(slot);
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break;
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case 0xf: // le, esp, bpp, power-management
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#ifdef CONFIG_DRIVER_ESP
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ob_esp_init(slot, base, SS600MP_ESP, SS600MP_ESPDMA);
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#endif
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// NCR 92C990, Am7990, Lance. See http://www.amd.com
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ob_le_init(slot, 0x00060000, SS600MP_LEBUFFER);
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// Power management (APC) XXX should not exist
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ob_apc_init(slot, APC_OFFSET);
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break;
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default:
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break;
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}
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}
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static void
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ob_sbus_open(void)
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{
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int ret=1;
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RET ( -ret );
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}
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static void
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ob_sbus_close(void)
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{
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selfword("close-deblocker");
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}
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static void
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ob_sbus_initialize(void)
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{
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}
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NODE_METHODS(ob_sbus_node) = {
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{ NULL, ob_sbus_initialize },
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{ "open", ob_sbus_open },
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{ "close", ob_sbus_close },
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};
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struct sbus_offset {
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int slot, type;
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uint64_t base;
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unsigned long size;
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};
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static const struct sbus_offset sbus_offsets_ss5[SBUS_SLOTS] = {
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{ 0, 0, 0x20000000, 0x10000000,},
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{ 1, 0, 0x30000000, 0x10000000,},
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{ 2, 0, 0x40000000, 0x10000000,},
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{ 3, 0, 0x50000000, 0x10000000,},
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{ 4, 0, 0x60000000, 0x10000000,},
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{ 5, 0, 0x70000000, 0x10000000,},
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};
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/* Shared with ss600mp */
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static const struct sbus_offset sbus_offsets_ss10[SBUS_SLOTS] = {
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{ 0, 0, 0xe00000000ULL, 0x10000000,},
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{ 1, 0, 0xe10000000ULL, 0x10000000,},
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{ 2, 0, 0xe20000000ULL, 0x10000000,},
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{ 3, 0, 0xe30000000ULL, 0x10000000,},
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[0xf] = { 0xf, 0, 0xef0000000ULL, 0x10000000,},
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};
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static void
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ob_add_sbus_range(const struct sbus_offset *range, int notfirst)
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{
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if (!notfirst) {
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push_str("/iommu/sbus");
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fword("find-device");
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}
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PUSH(range->slot);
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fword("encode-int");
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if (notfirst)
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fword("encode+");
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PUSH(range->type);
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fword("encode-int");
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fword("encode+");
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PUSH(range->base >> 32);
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fword("encode-int");
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fword("encode+");
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PUSH(range->base & 0xffffffff);
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fword("encode-int");
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fword("encode+");
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PUSH(range->size);
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fword("encode-int");
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fword("encode+");
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}
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static int
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ob_sbus_init_ss5(void)
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{
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unsigned int slot;
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int notfirst = 0;
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for (slot = 0; slot < SBUS_SLOTS; slot++) {
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if (sbus_offsets_ss5[slot].size > 0)
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ob_add_sbus_range(&sbus_offsets_ss5[slot], notfirst++);
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}
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push_str("ranges");
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fword("property");
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for (slot = 0; slot < SBUS_SLOTS; slot++) {
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if (sbus_offsets_ss5[slot].size > 0)
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sbus_probe_slot_ss5(slot, sbus_offsets_ss5[slot].base);
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}
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return 0;
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}
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static int
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ob_sbus_init_ss10(void)
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{
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unsigned int slot;
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int notfirst = 0;
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for (slot = 0; slot < SBUS_SLOTS; slot++) {
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if (sbus_offsets_ss10[slot].size > 0)
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ob_add_sbus_range(&sbus_offsets_ss10[slot], notfirst++);
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}
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push_str("ranges");
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fword("property");
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for (slot = 0; slot < SBUS_SLOTS; slot++) {
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if (sbus_offsets_ss10[slot].size > 0)
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sbus_probe_slot_ss10(slot, sbus_offsets_ss10[slot].base);
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}
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return 0;
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}
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static int
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ob_sbus_init_ss600mp(void)
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{
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unsigned int slot;
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int notfirst = 0;
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for (slot = 0; slot < SBUS_SLOTS; slot++) {
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if (sbus_offsets_ss10[slot].size > 0)
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ob_add_sbus_range(&sbus_offsets_ss10[slot], notfirst++);
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}
|
|
push_str("ranges");
|
|
fword("property");
|
|
|
|
for (slot = 0; slot < SBUS_SLOTS; slot++) {
|
|
if (sbus_offsets_ss10[slot].size > 0)
|
|
sbus_probe_slot_ss600mp(slot, sbus_offsets_ss10[slot].base);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ob_sbus_init(uint64_t base, int machine_id)
|
|
{
|
|
ob_sbus_node_init(base);
|
|
|
|
switch (machine_id) {
|
|
case 0x71:
|
|
return ob_sbus_init_ss600mp();
|
|
case 0x72:
|
|
return ob_sbus_init_ss10();
|
|
case 0x80:
|
|
return ob_sbus_init_ss5();
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|