diff options
Diffstat (limited to 'qemu/roms/openbios/drivers/obio.c')
| -rw-r--r-- | qemu/roms/openbios/drivers/obio.c | 459 |
1 files changed, 0 insertions, 459 deletions
diff --git a/qemu/roms/openbios/drivers/obio.c b/qemu/roms/openbios/drivers/obio.c deleted file mode 100644 index 4ac063188..000000000 --- a/qemu/roms/openbios/drivers/obio.c +++ /dev/null @@ -1,459 +0,0 @@ -/* - * OpenBIOS Sparc OBIO driver - * - * (C) 2004 Stefan Reinauer <stepan@openbios.org> - * (C) 2005 Ed Schouten <ed@fxq.nl> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 - * - */ - -#include "config.h" -#include "libopenbios/bindings.h" -#include "kernel/kernel.h" -#include "libc/byteorder.h" -#include "libc/vsprintf.h" - -#include "drivers/drivers.h" -#include "arch/common/nvram.h" -#include "libopenbios/ofmem.h" -#include "obio.h" -#include "escc.h" - -#define PROMDEV_KBD 0 /* input from keyboard */ -#define PROMDEV_SCREEN 0 /* output to screen */ -#define PROMDEV_TTYA 1 /* in/out to ttya */ - - -void -ob_new_obio_device(const char *name, const char *type) -{ - push_str("/obio"); - fword("find-device"); - fword("new-device"); - - push_str(name); - fword("device-name"); - - if (type) { - push_str(type); - fword("device-type"); - } -} - -static unsigned long -map_reg(uint64_t base, uint64_t offset, unsigned long size, int map, - int phys_hi) -{ - PUSH(phys_hi); - fword("encode-int"); - PUSH(offset); - fword("encode-int"); - fword("encode+"); - PUSH(size); - fword("encode-int"); - fword("encode+"); - push_str("reg"); - fword("property"); - - if (map) { - unsigned long addr; - - addr = (unsigned long)ofmem_map_io(base + offset, size); - - PUSH(addr); - fword("encode-int"); - push_str("address"); - fword("property"); - return addr; - } - return 0; -} - -unsigned long -ob_reg(uint64_t base, uint64_t offset, unsigned long size, int map) -{ - return map_reg(base, offset, size, map, 0); -} - -void -ob_intr(int intr) -{ - PUSH(intr); - fword("encode-int"); - PUSH(0); - fword("encode-int"); - fword("encode+"); - push_str("intr"); - fword("property"); -} - -void -ob_eccmemctl_init(uint64_t base) -{ - uint32_t version, *regs; - const char *mc_type; - - push_str("/"); - fword("find-device"); - fword("new-device"); - - push_str("eccmemctl"); - fword("device-name"); - - PUSH(0x20); - fword("encode-int"); - push_str("width"); - fword("property"); - - regs = (uint32_t *)map_reg(ECC_BASE, 0, ECC_SIZE, 1, ECC_BASE >> 32); - - version = regs[0]; - switch (version) { - case 0x00000000: - mc_type = "MCC"; - break; - case 0x10000000: - mc_type = "EMC"; - break; - default: - case 0x20000000: - mc_type = "SMC"; - break; - } - push_str(mc_type); - fword("encode-string"); - push_str("mc-type"); - fword("property"); - - fword("finish-device"); -} - -static unsigned char *nvram; - -#define NVRAM_OB_START (0) -#define NVRAM_OB_SIZE ((NVRAM_IDPROM - NVRAM_OB_START) & ~15) - -void -arch_nvram_get(char *data) -{ - memcpy(data, &nvram[NVRAM_OB_START], NVRAM_OB_SIZE); -} - -void -arch_nvram_put(char *data) -{ - memcpy(&nvram[NVRAM_OB_START], data, NVRAM_OB_SIZE); -} - -int -arch_nvram_size(void) -{ - return NVRAM_OB_SIZE; -} - -void -ss5_init(uint64_t base) -{ - ob_new_obio_device("slavioconfig", NULL); - - ob_reg(base, SLAVIO_SCONFIG, SCONFIG_REGS, 0); - - fword("finish-device"); -} - -static void -ob_nvram_init(uint64_t base, uint64_t offset) -{ - ob_new_obio_device("eeprom", NULL); - - nvram = (unsigned char *)ob_reg(base, offset, NVRAM_SIZE, 1); - - PUSH((unsigned long)nvram); - fword("encode-int"); - push_str("address"); - fword("property"); - - push_str("mk48t08"); - fword("model"); - - fword("finish-device"); - - // Add /idprom - push_str("/"); - fword("find-device"); - - PUSH((long)&nvram[NVRAM_IDPROM]); - PUSH(32); - fword("encode-bytes"); - push_str("idprom"); - fword("property"); -} - -static void -ob_fd_init(uint64_t base, uint64_t offset, int intr) -{ - unsigned long addr; - - ob_new_obio_device("SUNW,fdtwo", "block"); - - addr = ob_reg(base, offset, FD_REGS, 1); - - ob_intr(intr); - - fword("is-deblocker"); - - ob_floppy_init("/obio", "SUNW,fdtwo", 0, addr); - - fword("finish-device"); -} - -static void -ob_auxio_init(uint64_t base, uint64_t offset) -{ - ob_new_obio_device("auxio", NULL); - - ob_reg(base, offset, AUXIO_REGS, 1); - - fword("finish-device"); -} - -volatile unsigned char *power_reg; -volatile unsigned int *reset_reg; - -static void -sparc32_reset_all(void) -{ - *reset_reg = 1; -} - -// AUX 2 (Software Powerdown Control) and reset -static void -ob_aux2_reset_init(uint64_t base, uint64_t offset, int intr) -{ - ob_new_obio_device("power", NULL); - - power_reg = (void *)ob_reg(base, offset, AUXIO2_REGS, 1); - - // Not in device tree - reset_reg = (unsigned int *)ofmem_map_io(base + (uint64_t)SLAVIO_RESET, RESET_REGS); - - bind_func("sparc32-reset-all", sparc32_reset_all); - push_str("' sparc32-reset-all to reset-all"); - fword("eval"); - - ob_intr(intr); - - fword("finish-device"); -} - -volatile struct sun4m_timer_regs *counter_regs; - -static void -ob_counter_init(uint64_t base, unsigned long offset, int ncpu) -{ - int i; - - ob_new_obio_device("counter", NULL); - - for (i = 0; i < ncpu; i++) { - PUSH(0); - fword("encode-int"); - if (i != 0) fword("encode+"); - PUSH(offset + (i * PAGE_SIZE)); - fword("encode-int"); - fword("encode+"); - PUSH(COUNTER_REGS); - fword("encode-int"); - fword("encode+"); - } - - PUSH(0); - fword("encode-int"); - fword("encode+"); - PUSH(offset + 0x10000); - fword("encode-int"); - fword("encode+"); - PUSH(COUNTER_REGS); - fword("encode-int"); - fword("encode+"); - - push_str("reg"); - fword("property"); - - - counter_regs = (struct sun4m_timer_regs *)ofmem_map_io(base + (uint64_t)offset, sizeof(*counter_regs)); - counter_regs->cfg = 0xfffffffe; - counter_regs->l10_timer_limit = 0; - counter_regs->cpu_timers[0].l14_timer_limit = 0x9c4000; /* see comment in obio.h */ - counter_regs->cpu_timers[0].cntrl = 1; - - for (i = 0; i < ncpu; i++) { - PUSH((unsigned long)&counter_regs->cpu_timers[i]); - fword("encode-int"); - if (i != 0) - fword("encode+"); - } - PUSH((unsigned long)&counter_regs->l10_timer_limit); - fword("encode-int"); - fword("encode+"); - push_str("address"); - fword("property"); - - fword("finish-device"); -} - -static volatile struct sun4m_intregs *intregs; - -static void -ob_interrupt_init(uint64_t base, unsigned long offset, int ncpu) -{ - int i; - - ob_new_obio_device("interrupt", NULL); - - for (i = 0; i < ncpu; i++) { - PUSH(0); - fword("encode-int"); - if (i != 0) fword("encode+"); - PUSH(offset + (i * PAGE_SIZE)); - fword("encode-int"); - fword("encode+"); - PUSH(INTERRUPT_REGS); - fword("encode-int"); - fword("encode+"); - } - - PUSH(0); - fword("encode-int"); - fword("encode+"); - PUSH(offset + 0x10000); - fword("encode-int"); - fword("encode+"); - PUSH(INTERRUPT_REGS); - fword("encode-int"); - fword("encode+"); - - push_str("reg"); - fword("property"); - - intregs = (struct sun4m_intregs *)ofmem_map_io(base | (uint64_t)offset, sizeof(*intregs)); - intregs->clear = ~SUN4M_INT_MASKALL; - intregs->cpu_intregs[0].clear = ~0x17fff; - - for (i = 0; i < ncpu; i++) { - PUSH((unsigned long)&intregs->cpu_intregs[i]); - fword("encode-int"); - if (i != 0) - fword("encode+"); - } - PUSH((unsigned long)&intregs->tbt); - fword("encode-int"); - fword("encode+"); - push_str("address"); - fword("property"); - - fword("finish-device"); -} - -/* SMP CPU boot structure */ -struct smp_cfg { - uint32_t smp_ctx; - uint32_t smp_ctxtbl; - uint32_t smp_entry; - uint32_t valid; -}; - -static struct smp_cfg *smp_header; - -int -start_cpu(unsigned int pc, unsigned int context_ptr, unsigned int context, int cpu) -{ - if (!cpu) - return -1; - - cpu &= 7; - - smp_header->smp_entry = pc; - smp_header->smp_ctxtbl = context_ptr; - smp_header->smp_ctx = context; - smp_header->valid = cpu; - - intregs->cpu_intregs[cpu].set = SUN4M_SOFT_INT(14); - - return 0; -} - -static void -ob_smp_init(unsigned long mem_size) -{ - // See arch/sparc32/entry.S for memory layout - smp_header = (struct smp_cfg *)ofmem_map_io((uint64_t)(mem_size - 0x100), - sizeof(struct smp_cfg)); -} - -static void -ob_set_obio_ranges(uint64_t base) -{ - push_str("/obio"); - fword("find-device"); - PUSH(0); - fword("encode-int"); - PUSH(0); - fword("encode-int"); - fword("encode+"); - PUSH(base >> 32); - fword("encode-int"); - fword("encode+"); - PUSH(base & 0xffffffff); - fword("encode-int"); - fword("encode+"); - PUSH(SLAVIO_SIZE); - fword("encode-int"); - fword("encode+"); - push_str("ranges"); - fword("property"); -} - - -int -ob_obio_init(uint64_t slavio_base, unsigned long fd_offset, - unsigned long counter_offset, unsigned long intr_offset, - int intr_ncpu, unsigned long aux1_offset, unsigned long aux2_offset, - unsigned long mem_size) -{ - - // All devices were integrated to NCR89C105, see - // http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C105.txt - - //printk("Initializing OBIO devices...\n"); - ob_set_obio_ranges(slavio_base); - - // Zilog Z8530 serial ports, see http://www.zilog.com - // Must be before zs@0,0 or Linux won't boot - ob_zs_init(slavio_base, SLAVIO_ZS1, ZS_INTR, 0, 0); - - ob_zs_init(slavio_base, SLAVIO_ZS, ZS_INTR, 1, 1); - - // M48T08 NVRAM, see http://www.st.com - ob_nvram_init(slavio_base, SLAVIO_NVRAM); - - // 82078 FDC - if (fd_offset != (unsigned long) -1) - ob_fd_init(slavio_base, fd_offset, FD_INTR); - - ob_auxio_init(slavio_base, aux1_offset); - - if (aux2_offset != (unsigned long) -1) - ob_aux2_reset_init(slavio_base, aux2_offset, AUXIO2_INTR); - - ob_counter_init(slavio_base, counter_offset, intr_ncpu); - - ob_interrupt_init(slavio_base, intr_offset, intr_ncpu); - - ob_smp_init(mem_size); - - return 0; -} |