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14a43e69 BH |
1 | /* |
2 | * PowerNV OPAL API wrappers | |
3 | * | |
4 | * Copyright 2011 IBM Corp. | |
5 | * | |
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. | |
10 | */ | |
11 | ||
12 | #include <asm/ppc_asm.h> | |
13 | #include <asm/hvcall.h> | |
14 | #include <asm/asm-offsets.h> | |
15 | #include <asm/opal.h> | |
16 | ||
17 | /* TODO: | |
18 | * | |
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 | |
21 | */ | |
22 | #define OPAL_CALL(name, token) \ | |
23 | _GLOBAL(name); \ | |
24 | mflr r0; \ | |
25 | mfcr r12; \ | |
26 | std r0,16(r1); \ | |
bbe30b3b | 27 | stw r12,8(r1); \ |
14a43e69 BH |
28 | std r1,PACAR1(r13); \ |
29 | li r0,0; \ | |
30 | mfmsr r12; \ | |
31 | ori r0,r0,MSR_EE; \ | |
32 | std r12,PACASAVEDMSR(r13); \ | |
33 | andc r12,r12,r0; \ | |
34 | mtmsrd r12,1; \ | |
35 | LOAD_REG_ADDR(r0,.opal_return); \ | |
36 | mtlr r0; \ | |
be401b37 | 37 | li r0,MSR_DR|MSR_IR|MSR_LE;\ |
14a43e69 BH |
38 | andc r12,r12,r0; \ |
39 | li r0,token; \ | |
40 | mtspr SPRN_HSRR1,r12; \ | |
41 | LOAD_REG_ADDR(r11,opal); \ | |
42 | ld r12,8(r11); \ | |
43 | ld r2,0(r11); \ | |
44 | mtspr SPRN_HSRR0,r12; \ | |
45 | hrfid | |
46 | ||
47 | _STATIC(opal_return) | |
be401b37 BH |
48 | /* |
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 | |
52 | * effect of the rfid. | |
53 | */ | |
54 | FIXUP_ENDIAN | |
14a43e69 | 55 | ld r2,PACATOC(r13); |
bbe30b3b | 56 | lwz r4,8(r1); |
14a43e69 BH |
57 | ld r5,16(r1); |
58 | ld r6,PACASAVEDMSR(r13); | |
59 | mtspr SPRN_SRR0,r5; | |
60 | mtspr SPRN_SRR1,r6; | |
61 | mtcr r4; | |
62 | rfid | |
63 | ||
e28b05e7 | 64 | OPAL_CALL(opal_invalid_call, OPAL_INVALID_CALL); |
14a43e69 BH |
65 | OPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE); |
66 | OPAL_CALL(opal_console_read, OPAL_CONSOLE_READ); | |
67 | OPAL_CALL(opal_console_write_buffer_space, OPAL_CONSOLE_WRITE_BUFFER_SPACE); | |
68 | OPAL_CALL(opal_rtc_read, OPAL_RTC_READ); | |
69 | OPAL_CALL(opal_rtc_write, OPAL_RTC_WRITE); | |
70 | OPAL_CALL(opal_cec_power_down, OPAL_CEC_POWER_DOWN); | |
71 | OPAL_CALL(opal_cec_reboot, OPAL_CEC_REBOOT); | |
72 | OPAL_CALL(opal_read_nvram, OPAL_READ_NVRAM); | |
73 | OPAL_CALL(opal_write_nvram, OPAL_WRITE_NVRAM); | |
74 | OPAL_CALL(opal_handle_interrupt, OPAL_HANDLE_INTERRUPT); | |
75 | OPAL_CALL(opal_poll_events, OPAL_POLL_EVENTS); | |
76 | OPAL_CALL(opal_pci_set_hub_tce_memory, OPAL_PCI_SET_HUB_TCE_MEMORY); | |
77 | OPAL_CALL(opal_pci_set_phb_tce_memory, OPAL_PCI_SET_PHB_TCE_MEMORY); | |
78 | OPAL_CALL(opal_pci_config_read_byte, OPAL_PCI_CONFIG_READ_BYTE); | |
79 | OPAL_CALL(opal_pci_config_read_half_word, OPAL_PCI_CONFIG_READ_HALF_WORD); | |
80 | OPAL_CALL(opal_pci_config_read_word, OPAL_PCI_CONFIG_READ_WORD); | |
81 | OPAL_CALL(opal_pci_config_write_byte, OPAL_PCI_CONFIG_WRITE_BYTE); | |
82 | OPAL_CALL(opal_pci_config_write_half_word, OPAL_PCI_CONFIG_WRITE_HALF_WORD); | |
83 | OPAL_CALL(opal_pci_config_write_word, OPAL_PCI_CONFIG_WRITE_WORD); | |
84 | OPAL_CALL(opal_set_xive, OPAL_SET_XIVE); | |
85 | OPAL_CALL(opal_get_xive, OPAL_GET_XIVE); | |
86 | OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER); | |
87 | OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS); | |
88 | OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR); | |
89 | OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC); | |
90 | OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE); | |
91 | OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW); | |
92 | OPAL_CALL(opal_pci_map_pe_mmio_window, OPAL_PCI_MAP_PE_MMIO_WINDOW); | |
93 | OPAL_CALL(opal_pci_set_phb_table_memory, OPAL_PCI_SET_PHB_TABLE_MEMORY); | |
94 | OPAL_CALL(opal_pci_set_pe, OPAL_PCI_SET_PE); | |
95 | OPAL_CALL(opal_pci_set_peltv, OPAL_PCI_SET_PELTV); | |
96 | OPAL_CALL(opal_pci_set_mve, OPAL_PCI_SET_MVE); | |
97 | OPAL_CALL(opal_pci_set_mve_enable, OPAL_PCI_SET_MVE_ENABLE); | |
98 | OPAL_CALL(opal_pci_get_xive_reissue, OPAL_PCI_GET_XIVE_REISSUE); | |
99 | OPAL_CALL(opal_pci_set_xive_reissue, OPAL_PCI_SET_XIVE_REISSUE); | |
100 | OPAL_CALL(opal_pci_set_xive_pe, OPAL_PCI_SET_XIVE_PE); | |
101 | OPAL_CALL(opal_get_xive_source, OPAL_GET_XIVE_SOURCE); | |
102 | OPAL_CALL(opal_get_msi_32, OPAL_GET_MSI_32); | |
103 | OPAL_CALL(opal_get_msi_64, OPAL_GET_MSI_64); | |
104 | OPAL_CALL(opal_start_cpu, OPAL_START_CPU); | |
105 | OPAL_CALL(opal_query_cpu_status, OPAL_QUERY_CPU_STATUS); | |
106 | OPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL); | |
107 | OPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW); | |
108 | OPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL); | |
109 | OPAL_CALL(opal_pci_reset, OPAL_PCI_RESET); | |
f11fe552 BH |
110 | OPAL_CALL(opal_pci_get_hub_diag_data, OPAL_PCI_GET_HUB_DIAG_DATA); |
111 | OPAL_CALL(opal_pci_get_phb_diag_data, OPAL_PCI_GET_PHB_DIAG_DATA); | |
112 | OPAL_CALL(opal_pci_fence_phb, OPAL_PCI_FENCE_PHB); | |
113 | OPAL_CALL(opal_pci_reinit, OPAL_PCI_REINIT); | |
114 | OPAL_CALL(opal_pci_mask_pe_error, OPAL_PCI_MASK_PE_ERROR); | |
115 | OPAL_CALL(opal_set_slot_led_status, OPAL_SET_SLOT_LED_STATUS); | |
116 | OPAL_CALL(opal_get_epow_status, OPAL_GET_EPOW_STATUS); | |
117 | OPAL_CALL(opal_set_system_attention_led, OPAL_SET_SYSTEM_ATTENTION_LED); | |
23773230 GS |
118 | OPAL_CALL(opal_pci_next_error, OPAL_PCI_NEXT_ERROR); |
119 | OPAL_CALL(opal_pci_poll, OPAL_PCI_POLL); | |
137436c9 | 120 | OPAL_CALL(opal_pci_msi_eoi, OPAL_PCI_MSI_EOI); |
23773230 | 121 | OPAL_CALL(opal_pci_get_phb_diag_data2, OPAL_PCI_GET_PHB_DIAG_DATA2); |
cc0efb57 BH |
122 | OPAL_CALL(opal_xscom_read, OPAL_XSCOM_READ); |
123 | OPAL_CALL(opal_xscom_write, OPAL_XSCOM_WRITE); | |
124 | OPAL_CALL(opal_lpc_read, OPAL_LPC_READ); | |
125 | OPAL_CALL(opal_lpc_write, OPAL_LPC_WRITE); | |
13906db6 | 126 | OPAL_CALL(opal_return_cpu, OPAL_RETURN_CPU); |
774fea1a SS |
127 | OPAL_CALL(opal_read_elog, OPAL_ELOG_READ); |
128 | OPAL_CALL(opal_send_ack_elog, OPAL_ELOG_ACK); | |
129 | OPAL_CALL(opal_get_elog_size, OPAL_ELOG_SIZE); | |
130 | OPAL_CALL(opal_resend_pending_logs, OPAL_ELOG_RESEND); | |
131 | OPAL_CALL(opal_write_elog, OPAL_ELOG_WRITE); | |
50bd6153 VH |
132 | OPAL_CALL(opal_validate_flash, OPAL_FLASH_VALIDATE); |
133 | OPAL_CALL(opal_manage_flash, OPAL_FLASH_MANAGE); | |
134 | OPAL_CALL(opal_update_flash, OPAL_FLASH_UPDATE); | |
97eb001f | 135 | OPAL_CALL(opal_resync_timebase, OPAL_RESYNC_TIMEBASE); |
c7e64b9c SS |
136 | OPAL_CALL(opal_dump_init, OPAL_DUMP_INIT); |
137 | OPAL_CALL(opal_dump_info, OPAL_DUMP_INFO); | |
138 | OPAL_CALL(opal_dump_info2, OPAL_DUMP_INFO2); | |
139 | OPAL_CALL(opal_dump_read, OPAL_DUMP_READ); | |
140 | OPAL_CALL(opal_dump_ack, OPAL_DUMP_ACK); | |
24366360 MS |
141 | OPAL_CALL(opal_get_msg, OPAL_GET_MSG); |
142 | OPAL_CALL(opal_check_completion, OPAL_CHECK_ASYNC_COMPLETION); | |
c7e64b9c | 143 | OPAL_CALL(opal_dump_resend_notification, OPAL_DUMP_RESEND); |
f7d98d18 | 144 | OPAL_CALL(opal_sync_host_reboot, OPAL_SYNC_HOST_REBOOT); |
7224adbb | 145 | OPAL_CALL(opal_sensor_read, OPAL_SENSOR_READ); |
4029cd66 NG |
146 | OPAL_CALL(opal_get_param, OPAL_GET_PARAM); |
147 | OPAL_CALL(opal_set_param, OPAL_SET_PARAM); |