114a43e69SBenjamin Herrenschmidt/* 214a43e69SBenjamin Herrenschmidt * PowerNV OPAL API wrappers 314a43e69SBenjamin Herrenschmidt * 414a43e69SBenjamin Herrenschmidt * Copyright 2011 IBM Corp. 514a43e69SBenjamin Herrenschmidt * 614a43e69SBenjamin Herrenschmidt * This program is free software; you can redistribute it and/or 714a43e69SBenjamin Herrenschmidt * modify it under the terms of the GNU General Public License 814a43e69SBenjamin Herrenschmidt * as published by the Free Software Foundation; either version 914a43e69SBenjamin Herrenschmidt * 2 of the License, or (at your option) any later version. 1014a43e69SBenjamin Herrenschmidt */ 1114a43e69SBenjamin Herrenschmidt 1214a43e69SBenjamin Herrenschmidt#include <asm/ppc_asm.h> 1314a43e69SBenjamin Herrenschmidt#include <asm/hvcall.h> 1414a43e69SBenjamin Herrenschmidt#include <asm/asm-offsets.h> 1514a43e69SBenjamin Herrenschmidt#include <asm/opal.h> 1614a43e69SBenjamin Herrenschmidt 1714a43e69SBenjamin Herrenschmidt/* TODO: 1814a43e69SBenjamin Herrenschmidt * 1914a43e69SBenjamin Herrenschmidt * - Trace irqs in/off (needs saving/restoring all args, argh...) 2014a43e69SBenjamin Herrenschmidt * - Get r11 feed up by Dave so I can have better register usage 2114a43e69SBenjamin Herrenschmidt */ 2214a43e69SBenjamin Herrenschmidt#define OPAL_CALL(name, token) \ 2314a43e69SBenjamin Herrenschmidt _GLOBAL(name); \ 2414a43e69SBenjamin Herrenschmidt mflr r0; \ 2514a43e69SBenjamin Herrenschmidt mfcr r12; \ 2614a43e69SBenjamin Herrenschmidt std r0,16(r1); \ 2714a43e69SBenjamin Herrenschmidt std r12,8(r1); \ 2814a43e69SBenjamin Herrenschmidt std r1,PACAR1(r13); \ 2914a43e69SBenjamin Herrenschmidt li r0,0; \ 3014a43e69SBenjamin Herrenschmidt mfmsr r12; \ 3114a43e69SBenjamin Herrenschmidt ori r0,r0,MSR_EE; \ 3214a43e69SBenjamin Herrenschmidt std r12,PACASAVEDMSR(r13); \ 3314a43e69SBenjamin Herrenschmidt andc r12,r12,r0; \ 3414a43e69SBenjamin Herrenschmidt mtmsrd r12,1; \ 3514a43e69SBenjamin Herrenschmidt LOAD_REG_ADDR(r0,.opal_return); \ 3614a43e69SBenjamin Herrenschmidt mtlr r0; \ 37be401b37SBenjamin Herrenschmidt li r0,MSR_DR|MSR_IR|MSR_LE;\ 3814a43e69SBenjamin Herrenschmidt andc r12,r12,r0; \ 3914a43e69SBenjamin Herrenschmidt li r0,token; \ 4014a43e69SBenjamin Herrenschmidt mtspr SPRN_HSRR1,r12; \ 4114a43e69SBenjamin Herrenschmidt LOAD_REG_ADDR(r11,opal); \ 4214a43e69SBenjamin Herrenschmidt ld r12,8(r11); \ 4314a43e69SBenjamin Herrenschmidt ld r2,0(r11); \ 4414a43e69SBenjamin Herrenschmidt mtspr SPRN_HSRR0,r12; \ 4514a43e69SBenjamin Herrenschmidt hrfid 4614a43e69SBenjamin Herrenschmidt 4714a43e69SBenjamin Herrenschmidt_STATIC(opal_return) 48be401b37SBenjamin Herrenschmidt /* 49be401b37SBenjamin Herrenschmidt * Fixup endian on OPAL return... we should be able to simplify 50be401b37SBenjamin Herrenschmidt * this by instead converting the below trampoline to a set of 51be401b37SBenjamin Herrenschmidt * bytes (always BE) since MSR:LE will end up fixed up as a side 52be401b37SBenjamin Herrenschmidt * effect of the rfid. 53be401b37SBenjamin Herrenschmidt */ 54be401b37SBenjamin Herrenschmidt FIXUP_ENDIAN 5514a43e69SBenjamin Herrenschmidt ld r2,PACATOC(r13); 5614a43e69SBenjamin Herrenschmidt ld r4,8(r1); 5714a43e69SBenjamin Herrenschmidt ld r5,16(r1); 5814a43e69SBenjamin Herrenschmidt ld r6,PACASAVEDMSR(r13); 5914a43e69SBenjamin Herrenschmidt mtspr SPRN_SRR0,r5; 6014a43e69SBenjamin Herrenschmidt mtspr SPRN_SRR1,r6; 6114a43e69SBenjamin Herrenschmidt mtcr r4; 6214a43e69SBenjamin Herrenschmidt rfid 6314a43e69SBenjamin Herrenschmidt 6414a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE); 6514a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_console_read, OPAL_CONSOLE_READ); 6614a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_console_write_buffer_space, OPAL_CONSOLE_WRITE_BUFFER_SPACE); 6714a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_rtc_read, OPAL_RTC_READ); 6814a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_rtc_write, OPAL_RTC_WRITE); 6914a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_cec_power_down, OPAL_CEC_POWER_DOWN); 7014a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_cec_reboot, OPAL_CEC_REBOOT); 7114a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_read_nvram, OPAL_READ_NVRAM); 7214a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_write_nvram, OPAL_WRITE_NVRAM); 7314a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_handle_interrupt, OPAL_HANDLE_INTERRUPT); 7414a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_poll_events, OPAL_POLL_EVENTS); 7514a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_hub_tce_memory, OPAL_PCI_SET_HUB_TCE_MEMORY); 7614a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_phb_tce_memory, OPAL_PCI_SET_PHB_TCE_MEMORY); 7714a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_config_read_byte, OPAL_PCI_CONFIG_READ_BYTE); 7814a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_config_read_half_word, OPAL_PCI_CONFIG_READ_HALF_WORD); 7914a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_config_read_word, OPAL_PCI_CONFIG_READ_WORD); 8014a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_config_write_byte, OPAL_PCI_CONFIG_WRITE_BYTE); 8114a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_config_write_half_word, OPAL_PCI_CONFIG_WRITE_HALF_WORD); 8214a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_config_write_word, OPAL_PCI_CONFIG_WRITE_WORD); 8314a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_set_xive, OPAL_SET_XIVE); 8414a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_get_xive, OPAL_GET_XIVE); 8514a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER); 8614a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS); 8714a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR); 8814a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC); 8914a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE); 9014a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW); 9114a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_map_pe_mmio_window, OPAL_PCI_MAP_PE_MMIO_WINDOW); 9214a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_phb_table_memory, OPAL_PCI_SET_PHB_TABLE_MEMORY); 9314a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_pe, OPAL_PCI_SET_PE); 9414a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_peltv, OPAL_PCI_SET_PELTV); 9514a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_mve, OPAL_PCI_SET_MVE); 9614a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_mve_enable, OPAL_PCI_SET_MVE_ENABLE); 9714a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_get_xive_reissue, OPAL_PCI_GET_XIVE_REISSUE); 9814a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_xive_reissue, OPAL_PCI_SET_XIVE_REISSUE); 9914a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_set_xive_pe, OPAL_PCI_SET_XIVE_PE); 10014a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_get_xive_source, OPAL_GET_XIVE_SOURCE); 10114a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_get_msi_32, OPAL_GET_MSI_32); 10214a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_get_msi_64, OPAL_GET_MSI_64); 10314a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_start_cpu, OPAL_START_CPU); 10414a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_query_cpu_status, OPAL_QUERY_CPU_STATUS); 10514a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL); 10614a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW); 10714a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL); 10814a43e69SBenjamin HerrenschmidtOPAL_CALL(opal_pci_reset, OPAL_PCI_RESET); 109f11fe552SBenjamin HerrenschmidtOPAL_CALL(opal_pci_get_hub_diag_data, OPAL_PCI_GET_HUB_DIAG_DATA); 110f11fe552SBenjamin HerrenschmidtOPAL_CALL(opal_pci_get_phb_diag_data, OPAL_PCI_GET_PHB_DIAG_DATA); 111f11fe552SBenjamin HerrenschmidtOPAL_CALL(opal_pci_fence_phb, OPAL_PCI_FENCE_PHB); 112f11fe552SBenjamin HerrenschmidtOPAL_CALL(opal_pci_reinit, OPAL_PCI_REINIT); 113f11fe552SBenjamin HerrenschmidtOPAL_CALL(opal_pci_mask_pe_error, OPAL_PCI_MASK_PE_ERROR); 114f11fe552SBenjamin HerrenschmidtOPAL_CALL(opal_set_slot_led_status, OPAL_SET_SLOT_LED_STATUS); 115f11fe552SBenjamin HerrenschmidtOPAL_CALL(opal_get_epow_status, OPAL_GET_EPOW_STATUS); 116f11fe552SBenjamin HerrenschmidtOPAL_CALL(opal_set_system_attention_led, OPAL_SET_SYSTEM_ATTENTION_LED); 11723773230SGavin ShanOPAL_CALL(opal_pci_next_error, OPAL_PCI_NEXT_ERROR); 11823773230SGavin ShanOPAL_CALL(opal_pci_poll, OPAL_PCI_POLL); 119137436c9SGavin ShanOPAL_CALL(opal_pci_msi_eoi, OPAL_PCI_MSI_EOI); 12023773230SGavin ShanOPAL_CALL(opal_pci_get_phb_diag_data2, OPAL_PCI_GET_PHB_DIAG_DATA2); 121cc0efb57SBenjamin HerrenschmidtOPAL_CALL(opal_xscom_read, OPAL_XSCOM_READ); 122cc0efb57SBenjamin HerrenschmidtOPAL_CALL(opal_xscom_write, OPAL_XSCOM_WRITE); 123cc0efb57SBenjamin HerrenschmidtOPAL_CALL(opal_lpc_read, OPAL_LPC_READ); 124cc0efb57SBenjamin HerrenschmidtOPAL_CALL(opal_lpc_write, OPAL_LPC_WRITE); 12513906db6SBenjamin HerrenschmidtOPAL_CALL(opal_return_cpu, OPAL_RETURN_CPU); 126