diff options
Diffstat (limited to 'qemu/roms/SLOF/board-js2x/rtas/rtas_board.c')
| -rw-r--r-- | qemu/roms/SLOF/board-js2x/rtas/rtas_board.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/board-js2x/rtas/rtas_board.c b/qemu/roms/SLOF/board-js2x/rtas/rtas_board.c new file mode 100644 index 000000000..7f7409d9f --- /dev/null +++ b/qemu/roms/SLOF/board-js2x/rtas/rtas_board.c @@ -0,0 +1,218 @@ +/****************************************************************************** + * Copyright (c) 2004, 2008 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + +#include <stdint.h> +#include <rtas.h> +#include "rtas_board.h" +#include <bmc.h> +#include <rtas_i2c_bmc.h> +#include <rtas_ipmi_bmc.h> +#include "libipmi.h" +#include <hw.h> + +void io_init(void); +short reg_get_flashside(void); +void rtas_init(void); + +typedef struct { + uint64_t r3; + uint64_t addr; + volatile uint64_t id; +} slave_t; + +volatile slave_t rtas_slave_interface; + +static void +rtas_slave_loop(volatile slave_t * pIface) +{ + uint64_t mask = pIface->id; + pIface->id = 0; + while (pIface->id != mask); { + int dly = 0x1000; + while (dly--); + } + pIface->id = 0; + asm volatile (" mr 3,%0 ; mtctr %1 ; bctr " + ::"r"(pIface->r3), "r"(pIface->addr)); +} + +void +rtas_fetch_slaves(rtas_args_t * pArgs) +{ + int retVal = 0; + int idx = 0; + uint32_t mask = pArgs->args[0] & 0xFFFFFFFE; + uint64_t *rtas_slave_loop_ptr = (uint64_t *)rtas_slave_loop; + while (mask) { + if (mask & 0x1) { + rtas_slave_interface.id = idx | 0x100; + *(int *) 0x3fc0 = (int)(unsigned long) &rtas_slave_interface; // r3 + *(int *) 0x3f80 = *rtas_slave_loop_ptr; // addr + *(int *) 0x3fa0 = idx | 0x100; // pid + while (rtas_slave_interface.id); + } + mask >>= 1; + idx++; + } + pArgs->args[pArgs->nargs] = retVal; +} + +void +rtas_start_cpu(rtas_args_t * pArgs) +{ + int retVal = 0; + int idx = pArgs->args[0]; // pid + rtas_slave_interface.r3 = pArgs->args[2]; // r3 + rtas_slave_interface.addr = pArgs->args[1]; // addr + asm(" sync "); + rtas_slave_interface.id = idx | 0x100; // pid + while (rtas_slave_interface.id); + pArgs->args[pArgs->nargs] = retVal; +} + +void +rtas_read_vpd(rtas_args_t * pArgs) +{ + pArgs->args[pArgs->nargs] = + bmc_read_vpd((uint8_t *) (uint64_t) pArgs->args[2], pArgs->args[1], + pArgs->args[0]); +} + +void +rtas_write_vpd(rtas_args_t * pArgs) +{ + pArgs->args[pArgs->nargs] = + bmc_write_vpd((uint8_t *) (uint64_t) pArgs->args[2], pArgs->args[1], + pArgs->args[0]); +} + +void +rtas_set_indicator(rtas_args_t * pArgs) +{ + pArgs->args[pArgs->nargs] = -1; +} + +void +rtas_event_scan(rtas_args_t * pArgs) +{ + pArgs->args[pArgs->nargs] = -1; +} + +void +rtas_stop_bootwatchdog(rtas_args_t * pArgs) +{ + pArgs->args[pArgs->nargs] = bmc_stop_bootwatchdog(); +} + +void +rtas_set_bootwatchdog(rtas_args_t * pArgs) +{ + pArgs->args[pArgs->nargs] = bmc_set_bootwatchdog(pArgs->args[0]); +} + +void +rtas_set_flashside(rtas_args_t * pArgs) +{ + pArgs->args[pArgs->nargs] = bmc_set_flashside(pArgs->args[0]); +} + +void +rtas_get_flashside(rtas_args_t * pArgs) +{ + int retVal = bmc_get_flashside(); + pArgs->args[pArgs->nargs] = retVal; +} + +void +rtas_flash_test(rtas_args_t * pArgs) +{ + pArgs->args[pArgs->nargs] = -1; +} + +void +rtas_system_reboot(rtas_args_t * pArgs) +{ + bmc_system_reboot(); + pArgs->args[pArgs->nargs] = -1; +} + +void +rtas_power_off(rtas_args_t * pArgs) +{ + bmc_power_off(); + pArgs->args[pArgs->nargs] = -1; +} + +void +rtas_get_blade_descr(rtas_args_t * pArgs) +{ + uint8_t *buffer = (uint8_t *) (uint64_t) pArgs->args[0]; + uint32_t maxlen = pArgs->args[1]; + uint32_t retlen = 0; + uint32_t retval = bmc_get_blade_descr(buffer, maxlen, &retlen); + pArgs->args[pArgs->nargs] = retlen; + pArgs->args[pArgs->nargs + 1] = retval; +} + +// for JS20 cannot read blade descr +static uint32_t +dummy_get_blade_descr(uint8_t *dst, uint32_t maxlen, uint32_t *len) +{ + // to not have a warning we need to do _something_ with *dst and maxlen... + *dst = *dst; + maxlen = maxlen; + *len = 0; + return -1; +} + +/* read flashside from register */ +short +reg_get_flashside(void) +{ + short retVal; + uint8_t val = load8_ci(0xf4003fe3); + if (val & 0x80) { + // temp + retVal = 1; + } else { + // perm + retVal = 0; + } + return retVal; +} + +void +rtas_init(void) +{ + io_init(); + if (u4Flag) { + bmc_system_reboot = ipmi_system_reboot; + bmc_power_off = ipmi_power_off; + bmc_set_flashside = ipmi_set_flashside; + bmc_get_flashside = reg_get_flashside; + bmc_stop_bootwatchdog = ipmi_oem_stop_bootwatchdog; + bmc_set_bootwatchdog = ipmi_oem_set_bootwatchdog; + bmc_read_vpd = ipmi_oem_read_vpd; + bmc_write_vpd = ipmi_oem_write_vpd; + bmc_get_blade_descr = ipmi_oem_get_blade_descr; + } else { + bmc_system_reboot = i2c_system_reboot; + bmc_power_off = i2c_power_off; + bmc_set_flashside = i2c_set_flashside; + bmc_get_flashside = i2c_get_flashside; + bmc_stop_bootwatchdog = i2c_stop_bootwatchdog; + bmc_set_bootwatchdog = i2c_set_bootwatchdog; + bmc_read_vpd = i2c_read_vpd; + bmc_write_vpd = i2c_write_vpd; + bmc_get_blade_descr = dummy_get_blade_descr; + } +} |