2011-09-19 11:44:57 -06:00
|
|
|
/*
|
|
|
|
* PowerNV OPAL API wrappers
|
|
|
|
*
|
|
|
|
* Copyright 2011 IBM Corp.
|
|
|
|
*
|
|
|
|
* 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 <asm/ppc_asm.h>
|
|
|
|
#include <asm/hvcall.h>
|
|
|
|
#include <asm/asm-offsets.h>
|
|
|
|
#include <asm/opal.h>
|
|
|
|
|
|
|
|
/* TODO:
|
|
|
|
*
|
|
|
|
* - Trace irqs in/off (needs saving/restoring all args, argh...)
|
|
|
|
* - Get r11 feed up by Dave so I can have better register usage
|
|
|
|
*/
|
|
|
|
#define OPAL_CALL(name, token) \
|
|
|
|
_GLOBAL(name); \
|
|
|
|
mflr r0; \
|
|
|
|
mfcr r12; \
|
|
|
|
std r0,16(r1); \
|
2013-10-14 21:36:31 -06:00
|
|
|
stw r12,8(r1); \
|
2011-09-19 11:44:57 -06:00
|
|
|
std r1,PACAR1(r13); \
|
|
|
|
li r0,0; \
|
|
|
|
mfmsr r12; \
|
|
|
|
ori r0,r0,MSR_EE; \
|
|
|
|
std r12,PACASAVEDMSR(r13); \
|
|
|
|
andc r12,r12,r0; \
|
|
|
|
mtmsrd r12,1; \
|
|
|
|
LOAD_REG_ADDR(r0,.opal_return); \
|
|
|
|
mtlr r0; \
|
2013-09-22 20:05:03 -06:00
|
|
|
li r0,MSR_DR|MSR_IR|MSR_LE;\
|
2011-09-19 11:44:57 -06:00
|
|
|
andc r12,r12,r0; \
|
|
|
|
li r0,token; \
|
|
|
|
mtspr SPRN_HSRR1,r12; \
|
|
|
|
LOAD_REG_ADDR(r11,opal); \
|
|
|
|
ld r12,8(r11); \
|
|
|
|
ld r2,0(r11); \
|
|
|
|
mtspr SPRN_HSRR0,r12; \
|
|
|
|
hrfid
|
|
|
|
|
|
|
|
_STATIC(opal_return)
|
2013-09-22 20:05:03 -06:00
|
|
|
/*
|
|
|
|
* Fixup endian on OPAL return... we should be able to simplify
|
|
|
|
* this by instead converting the below trampoline to a set of
|
|
|
|
* bytes (always BE) since MSR:LE will end up fixed up as a side
|
|
|
|
* effect of the rfid.
|
|
|
|
*/
|
|
|
|
FIXUP_ENDIAN
|
2011-09-19 11:44:57 -06:00
|
|
|
ld r2,PACATOC(r13);
|
2013-10-14 21:36:31 -06:00
|
|
|
lwz r4,8(r1);
|
2011-09-19 11:44:57 -06:00
|
|
|
ld r5,16(r1);
|
|
|
|
ld r6,PACASAVEDMSR(r13);
|
|
|
|
mtspr SPRN_SRR0,r5;
|
|
|
|
mtspr SPRN_SRR1,r6;
|
|
|
|
mtcr r4;
|
|
|
|
rfid
|
|
|
|
|
|
|
|
OPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE);
|
|
|
|
OPAL_CALL(opal_console_read, OPAL_CONSOLE_READ);
|
|
|
|
OPAL_CALL(opal_console_write_buffer_space, OPAL_CONSOLE_WRITE_BUFFER_SPACE);
|
|
|
|
OPAL_CALL(opal_rtc_read, OPAL_RTC_READ);
|
|
|
|
OPAL_CALL(opal_rtc_write, OPAL_RTC_WRITE);
|
|
|
|
OPAL_CALL(opal_cec_power_down, OPAL_CEC_POWER_DOWN);
|
|
|
|
OPAL_CALL(opal_cec_reboot, OPAL_CEC_REBOOT);
|
|
|
|
OPAL_CALL(opal_read_nvram, OPAL_READ_NVRAM);
|
|
|
|
OPAL_CALL(opal_write_nvram, OPAL_WRITE_NVRAM);
|
|
|
|
OPAL_CALL(opal_handle_interrupt, OPAL_HANDLE_INTERRUPT);
|
|
|
|
OPAL_CALL(opal_poll_events, OPAL_POLL_EVENTS);
|
|
|
|
OPAL_CALL(opal_pci_set_hub_tce_memory, OPAL_PCI_SET_HUB_TCE_MEMORY);
|
|
|
|
OPAL_CALL(opal_pci_set_phb_tce_memory, OPAL_PCI_SET_PHB_TCE_MEMORY);
|
|
|
|
OPAL_CALL(opal_pci_config_read_byte, OPAL_PCI_CONFIG_READ_BYTE);
|
|
|
|
OPAL_CALL(opal_pci_config_read_half_word, OPAL_PCI_CONFIG_READ_HALF_WORD);
|
|
|
|
OPAL_CALL(opal_pci_config_read_word, OPAL_PCI_CONFIG_READ_WORD);
|
|
|
|
OPAL_CALL(opal_pci_config_write_byte, OPAL_PCI_CONFIG_WRITE_BYTE);
|
|
|
|
OPAL_CALL(opal_pci_config_write_half_word, OPAL_PCI_CONFIG_WRITE_HALF_WORD);
|
|
|
|
OPAL_CALL(opal_pci_config_write_word, OPAL_PCI_CONFIG_WRITE_WORD);
|
|
|
|
OPAL_CALL(opal_set_xive, OPAL_SET_XIVE);
|
|
|
|
OPAL_CALL(opal_get_xive, OPAL_GET_XIVE);
|
|
|
|
OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER);
|
|
|
|
OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS);
|
|
|
|
OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR);
|
|
|
|
OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC);
|
|
|
|
OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE);
|
|
|
|
OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW);
|
|
|
|
OPAL_CALL(opal_pci_map_pe_mmio_window, OPAL_PCI_MAP_PE_MMIO_WINDOW);
|
|
|
|
OPAL_CALL(opal_pci_set_phb_table_memory, OPAL_PCI_SET_PHB_TABLE_MEMORY);
|
|
|
|
OPAL_CALL(opal_pci_set_pe, OPAL_PCI_SET_PE);
|
|
|
|
OPAL_CALL(opal_pci_set_peltv, OPAL_PCI_SET_PELTV);
|
|
|
|
OPAL_CALL(opal_pci_set_mve, OPAL_PCI_SET_MVE);
|
|
|
|
OPAL_CALL(opal_pci_set_mve_enable, OPAL_PCI_SET_MVE_ENABLE);
|
|
|
|
OPAL_CALL(opal_pci_get_xive_reissue, OPAL_PCI_GET_XIVE_REISSUE);
|
|
|
|
OPAL_CALL(opal_pci_set_xive_reissue, OPAL_PCI_SET_XIVE_REISSUE);
|
|
|
|
OPAL_CALL(opal_pci_set_xive_pe, OPAL_PCI_SET_XIVE_PE);
|
|
|
|
OPAL_CALL(opal_get_xive_source, OPAL_GET_XIVE_SOURCE);
|
|
|
|
OPAL_CALL(opal_get_msi_32, OPAL_GET_MSI_32);
|
|
|
|
OPAL_CALL(opal_get_msi_64, OPAL_GET_MSI_64);
|
|
|
|
OPAL_CALL(opal_start_cpu, OPAL_START_CPU);
|
|
|
|
OPAL_CALL(opal_query_cpu_status, OPAL_QUERY_CPU_STATUS);
|
|
|
|
OPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL);
|
|
|
|
OPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW);
|
|
|
|
OPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL);
|
|
|
|
OPAL_CALL(opal_pci_reset, OPAL_PCI_RESET);
|
2011-11-29 11:22:50 -07:00
|
|
|
OPAL_CALL(opal_pci_get_hub_diag_data, OPAL_PCI_GET_HUB_DIAG_DATA);
|
|
|
|
OPAL_CALL(opal_pci_get_phb_diag_data, OPAL_PCI_GET_PHB_DIAG_DATA);
|
|
|
|
OPAL_CALL(opal_pci_fence_phb, OPAL_PCI_FENCE_PHB);
|
|
|
|
OPAL_CALL(opal_pci_reinit, OPAL_PCI_REINIT);
|
|
|
|
OPAL_CALL(opal_pci_mask_pe_error, OPAL_PCI_MASK_PE_ERROR);
|
|
|
|
OPAL_CALL(opal_set_slot_led_status, OPAL_SET_SLOT_LED_STATUS);
|
|
|
|
OPAL_CALL(opal_get_epow_status, OPAL_GET_EPOW_STATUS);
|
|
|
|
OPAL_CALL(opal_set_system_attention_led, OPAL_SET_SYSTEM_ATTENTION_LED);
|
2013-06-19 23:21:05 -06:00
|
|
|
OPAL_CALL(opal_pci_next_error, OPAL_PCI_NEXT_ERROR);
|
|
|
|
OPAL_CALL(opal_pci_poll, OPAL_PCI_POLL);
|
2013-04-25 13:20:59 -06:00
|
|
|
OPAL_CALL(opal_pci_msi_eoi, OPAL_PCI_MSI_EOI);
|
2013-06-19 23:21:05 -06:00
|
|
|
OPAL_CALL(opal_pci_get_phb_diag_data2, OPAL_PCI_GET_PHB_DIAG_DATA2);
|
2013-07-14 21:03:09 -06:00
|
|
|
OPAL_CALL(opal_xscom_read, OPAL_XSCOM_READ);
|
|
|
|
OPAL_CALL(opal_xscom_write, OPAL_XSCOM_WRITE);
|
|
|
|
OPAL_CALL(opal_lpc_read, OPAL_LPC_READ);
|
|
|
|
OPAL_CALL(opal_lpc_write, OPAL_LPC_WRITE);
|
2013-08-20 21:03:20 -06:00
|
|
|
OPAL_CALL(opal_return_cpu, OPAL_RETURN_CPU);
|
2013-10-24 04:34:58 -06:00
|
|
|
OPAL_CALL(opal_validate_flash, OPAL_FLASH_VALIDATE);
|
|
|
|
OPAL_CALL(opal_manage_flash, OPAL_FLASH_MANAGE);
|
|
|
|
OPAL_CALL(opal_update_flash, OPAL_FLASH_UPDATE);
|