2 * PowerNV OPAL API wrappers
4 * Copyright 2011 IBM Corp.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #include <asm/ppc_asm.h>
13 #include <asm/hvcall.h>
14 #include <asm/asm-offsets.h>
19 * - Trace irqs in/off (needs saving/restoring all args, argh...)
20 * - Get r11 feed up by Dave so I can have better register usage
22 #define OPAL_CALL(name, token) \
32 std r12,PACASAVEDMSR(r13); \
35 LOAD_REG_ADDR(r0,.opal_return); \
37 li r0,MSR_DR|MSR_IR|MSR_LE;\
40 mtspr SPRN_HSRR1,r12; \
41 LOAD_REG_ADDR(r11,opal); \
44 mtspr SPRN_HSRR0,r12; \
49 * Fixup endian on OPAL return... we should be able to simplify
50 * this by instead converting the below trampoline to a set of
51 * bytes (always BE) since MSR:LE will end up fixed up as a side
58 ld r6,PACASAVEDMSR(r13);
64 OPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE);
65 OPAL_CALL(opal_console_read, OPAL_CONSOLE_READ);
66 OPAL_CALL(opal_console_write_buffer_space, OPAL_CONSOLE_WRITE_BUFFER_SPACE);
67 OPAL_CALL(opal_rtc_read, OPAL_RTC_READ);
68 OPAL_CALL(opal_rtc_write, OPAL_RTC_WRITE);
69 OPAL_CALL(opal_cec_power_down, OPAL_CEC_POWER_DOWN);
70 OPAL_CALL(opal_cec_reboot, OPAL_CEC_REBOOT);
71 OPAL_CALL(opal_read_nvram, OPAL_READ_NVRAM);
72 OPAL_CALL(opal_write_nvram, OPAL_WRITE_NVRAM);
73 OPAL_CALL(opal_handle_interrupt, OPAL_HANDLE_INTERRUPT);
74 OPAL_CALL(opal_poll_events, OPAL_POLL_EVENTS);
75 OPAL_CALL(opal_pci_set_hub_tce_memory, OPAL_PCI_SET_HUB_TCE_MEMORY);
76 OPAL_CALL(opal_pci_set_phb_tce_memory, OPAL_PCI_SET_PHB_TCE_MEMORY);
77 OPAL_CALL(opal_pci_config_read_byte, OPAL_PCI_CONFIG_READ_BYTE);
78 OPAL_CALL(opal_pci_config_read_half_word, OPAL_PCI_CONFIG_READ_HALF_WORD);
79 OPAL_CALL(opal_pci_config_read_word, OPAL_PCI_CONFIG_READ_WORD);
80 OPAL_CALL(opal_pci_config_write_byte, OPAL_PCI_CONFIG_WRITE_BYTE);
81 OPAL_CALL(opal_pci_config_write_half_word, OPAL_PCI_CONFIG_WRITE_HALF_WORD);
82 OPAL_CALL(opal_pci_config_write_word, OPAL_PCI_CONFIG_WRITE_WORD);
83 OPAL_CALL(opal_set_xive, OPAL_SET_XIVE);
84 OPAL_CALL(opal_get_xive, OPAL_GET_XIVE);
85 OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER);
86 OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS);
87 OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR);
88 OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC);
89 OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE);
90 OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW);
91 OPAL_CALL(opal_pci_map_pe_mmio_window, OPAL_PCI_MAP_PE_MMIO_WINDOW);
92 OPAL_CALL(opal_pci_set_phb_table_memory, OPAL_PCI_SET_PHB_TABLE_MEMORY);
93 OPAL_CALL(opal_pci_set_pe, OPAL_PCI_SET_PE);
94 OPAL_CALL(opal_pci_set_peltv, OPAL_PCI_SET_PELTV);
95 OPAL_CALL(opal_pci_set_mve, OPAL_PCI_SET_MVE);
96 OPAL_CALL(opal_pci_set_mve_enable, OPAL_PCI_SET_MVE_ENABLE);
97 OPAL_CALL(opal_pci_get_xive_reissue, OPAL_PCI_GET_XIVE_REISSUE);
98 OPAL_CALL(opal_pci_set_xive_reissue, OPAL_PCI_SET_XIVE_REISSUE);
99 OPAL_CALL(opal_pci_set_xive_pe, OPAL_PCI_SET_XIVE_PE);
100 OPAL_CALL(opal_get_xive_source, OPAL_GET_XIVE_SOURCE);
101 OPAL_CALL(opal_get_msi_32, OPAL_GET_MSI_32);
102 OPAL_CALL(opal_get_msi_64, OPAL_GET_MSI_64);
103 OPAL_CALL(opal_start_cpu, OPAL_START_CPU);
104 OPAL_CALL(opal_query_cpu_status, OPAL_QUERY_CPU_STATUS);
105 OPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL);
106 OPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW);
107 OPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL);
108 OPAL_CALL(opal_pci_reset, OPAL_PCI_RESET);
109 OPAL_CALL(opal_pci_get_hub_diag_data, OPAL_PCI_GET_HUB_DIAG_DATA);
110 OPAL_CALL(opal_pci_get_phb_diag_data, OPAL_PCI_GET_PHB_DIAG_DATA);
111 OPAL_CALL(opal_pci_fence_phb, OPAL_PCI_FENCE_PHB);
112 OPAL_CALL(opal_pci_reinit, OPAL_PCI_REINIT);
113 OPAL_CALL(opal_pci_mask_pe_error, OPAL_PCI_MASK_PE_ERROR);
114 OPAL_CALL(opal_set_slot_led_status, OPAL_SET_SLOT_LED_STATUS);
115 OPAL_CALL(opal_get_epow_status, OPAL_GET_EPOW_STATUS);
116 OPAL_CALL(opal_set_system_attention_led, OPAL_SET_SYSTEM_ATTENTION_LED);
117 OPAL_CALL(opal_pci_next_error, OPAL_PCI_NEXT_ERROR);
118 OPAL_CALL(opal_pci_poll, OPAL_PCI_POLL);
119 OPAL_CALL(opal_pci_msi_eoi, OPAL_PCI_MSI_EOI);
120 OPAL_CALL(opal_pci_get_phb_diag_data2, OPAL_PCI_GET_PHB_DIAG_DATA2);
121 OPAL_CALL(opal_xscom_read, OPAL_XSCOM_READ);
122 OPAL_CALL(opal_xscom_write, OPAL_XSCOM_WRITE);
123 OPAL_CALL(opal_lpc_read, OPAL_LPC_READ);
124 OPAL_CALL(opal_lpc_write, OPAL_LPC_WRITE);
125 OPAL_CALL(opal_return_cpu, OPAL_RETURN_CPU);
126 OPAL_CALL(opal_read_elog, OPAL_ELOG_READ);
127 OPAL_CALL(opal_send_ack_elog, OPAL_ELOG_ACK);
128 OPAL_CALL(opal_get_elog_size, OPAL_ELOG_SIZE);
129 OPAL_CALL(opal_resend_pending_logs, OPAL_ELOG_RESEND);
130 OPAL_CALL(opal_write_elog, OPAL_ELOG_WRITE);
131 OPAL_CALL(opal_validate_flash, OPAL_FLASH_VALIDATE);
132 OPAL_CALL(opal_manage_flash, OPAL_FLASH_MANAGE);
133 OPAL_CALL(opal_update_flash, OPAL_FLASH_UPDATE);
134 OPAL_CALL(opal_dump_init, OPAL_DUMP_INIT);
135 OPAL_CALL(opal_dump_info, OPAL_DUMP_INFO);
136 OPAL_CALL(opal_dump_info2, OPAL_DUMP_INFO2);
137 OPAL_CALL(opal_dump_read, OPAL_DUMP_READ);
138 OPAL_CALL(opal_dump_ack, OPAL_DUMP_ACK);
139 OPAL_CALL(opal_get_msg, OPAL_GET_MSG);
140 OPAL_CALL(opal_check_completion, OPAL_CHECK_ASYNC_COMPLETION);
141 OPAL_CALL(opal_dump_resend_notification, OPAL_DUMP_RESEND);
142 OPAL_CALL(opal_sync_host_reboot, OPAL_SYNC_HOST_REBOOT);
143 OPAL_CALL(opal_sensor_read, OPAL_SENSOR_READ);
144 OPAL_CALL(opal_get_param, OPAL_GET_PARAM);
145 OPAL_CALL(opal_set_param, OPAL_SET_PARAM);