Initial commit of OpenSPARC T2 architecture model.
[OpenSPARC-T2-SAM] / hypervisor / src / greatlakes / huron / include / platform / fpga.h
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1/*
2* ========== Copyright Header Begin ==========================================
3*
4* Hypervisor Software File: fpga.h
5*
6* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
7*
8* - Do no alter or remove copyright notices
9*
10* - Redistribution and use of this software in source and binary forms, with
11* or without modification, are permitted provided that the following
12* conditions are met:
13*
14* - Redistribution of source code must retain the above copyright notice,
15* this list of conditions and the following disclaimer.
16*
17* - Redistribution in binary form must reproduce the above copyright notice,
18* this list of conditions and the following disclaimer in the
19* documentation and/or other materials provided with the distribution.
20*
21* Neither the name of Sun Microsystems, Inc. or the names of contributors
22* may be used to endorse or promote products derived from this software
23* without specific prior written permission.
24*
25* This software is provided "AS IS," without a warranty of any kind.
26* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
27* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
28* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
29* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
30* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
31* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
32* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
33* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
34* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
35* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
36* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
37*
38* You acknowledge that this software is not designed, licensed or
39* intended for use in the design, construction, operation or maintenance of
40* any nuclear facility.
41*
42* ========== Copyright Header End ============================================
43*/
44/*
45 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
46 * Use is subject to license terms.
47 */
48
49#ifndef _HURON_PLATFORM_FPGA_H_
50#define _HURON_PLATFORM_FPGA_H_
51
52#pragma ident "@(#)fpga.h 1.5 07/08/16 SMI"
53
54#ifdef __cplusplus
55extern "C" {
56#endif
57
58#define HOST_REGS_BASE(x) (FPGA_BASE + (MByte(13) + (x)))
59#define FPGA_SRAM_BASE MByte(14)
60#define FPGA_INTR_BASE HOST_REGS_BASE(0x18000)
61
62#define FPGA_Q_SEND 0x18
63#define FPGA_Q_STATUS 0x20
64
65/* Interrupt control */
66#define FPGA_MBOX_INTR_STATUS 0x0
67#define FPGA_MBOX_INTR_ENABLE 0x8
68#define FPGA_MBOX_INTR_DISABLE 0x10
69#define FPGA_OTHER_INTR_STATUS 0x1
70#define FPGA_OTHER_INTR_ENABLE 0x9
71#define FPGA_OTHER_INTR_DISABLE 0x11
72
73#define FPGA_INT_UART_BIT 0x7
74
75/* MMU IO bypass */
76#define FPGA_UART_BASE (FPGA_BASE + 0xca0000)
77#define FPGA_UART_LIMIT (FPGA_UART_BASE + 0x2000)
78
79#define UART_CLOCK_MULTIPLIER 1 /* For "interim" Niagara1-esque FPGA */
80
81/* BEGIN CSTYLED */
82#define FPGA_CLEAR_LDC_INTERRUPTS(scr1, scr2) \
83 setx FPGA_LDCIN_BASE, scr1, scr2 ;\
84 ld [scr2 + FPGA_LDC_RECV_REG], scr1 ;\
85 st scr1, [scr2 + FPGA_LDC_RECV_REG]
86/* END CSTYLED */
87
88/*
89 * FPGA ID register
90 */
91#define FPGA_DEVICE_ID HOST_REGS_BASE(0x0)
92
93#define FPGA_ID_MINOR_ID_SHIFT 0
94#define FPGA_ID_MINOR_ID_MASK 0x1f
95#define FPGA_ID_MAJOR_ID_SHIFT 5
96#define FPGA_ID_MAJOR_ID_MASK 0x7
97#define FPGA_ID_PLATFORM_ID_SHIFT 8
98#define FPGA_ID_PLATFORM_ID_MASK 0xf
99#define FPGA_ID_DEBUG_ID_SHIFT 12
100#define FPGA_ID_DEBUG_ID_MASK 0x7
101#define FPGA_MIN_MAJOR_ID_RESET_SUPPORT 0x3 /* minimum major value for */
102 /* ldoms fpga reset support */
103
104/*
105 * FPGA Platform-specific Registers
106 * GPIO pcie reset control registers (see 0.7 FPGA PRM)
107 */
108#define FPGA_PLATFORM_REGS (FPGA_BASE + 0xcb0000)
109
110#define FPGA_LDOM_RESET_CONTROL_OFFSET 0x30
111#define FPGA_LDOM_SLOT_RESET_CONTROL_OFFSET 0x31
112#define FPGA_DEVICE_PRESENT_OFFSET 0x40
113
114#define FPGA_LDOM_RESET_CONTROL (FPGA_PLATFORM_REGS + \
115 FPGA_LDOM_RESET_CONTROL_OFFSET)
116#define FPGA_LDOM_SLOT_RESET_CONTROL (FPGA_PLATFORM_REGS + \
117 FPGA_LDOM_SLOT_RESET_CONTROL_OFFSET)
118#define FPGA_DEVICE_PRESENT (FPGA_PLATFORM_REGS + \
119 FPGA_DEVICE_PRESENT_OFFSET)
120/*
121 * Reset control register mask is 8 bits
122 * The bit defines are as follows
123 *
124 * bit name for Huron
125 *
126 * 0 8533 Reset (switch 0)
127 * 1 8533 Reset (switch 1)
128 * 2 8533 Reset (switch 2)
129 * 3 1068 SAS Reset
130 * 4 8111 PCI-e to PCI
131 * 5 82571 GBE Reset (device 0)
132 * 6 82571 GBE Reset (device 1)
133 * 7 USB Reset
134 *
135 */
136#define FPGA_LDOM_RESET_CONTROL_MASK 0xff
137#define FPGA_LDOM_RESET_CONTROL_DEV_0 (1 << 0)
138#define FPGA_LDOM_RESET_CONTROL_DEV_1 (1 << 1)
139
140
141/*
142 * Reset control 'slot' register mask is 8 bits
143 * The bits defines are as follows
144 *
145 * bit name for Huron
146 * 0 PCI-E Slot 1
147 * 1 PCI-E Slot 2
148 * 2 PCI-E Slot 3
149 * 3 PCI-E Slot 4
150 * 4 PCI-E Slot 5
151 * 5 PCI-E Slot 6
152 * 6 XAUI 0
153 * 7 XAUI 1
154 */
155#define FPGA_PCIE_SLOT_RESET_CTRL_MASK 0x3f
156#define FPGA_XAUI_SLOT_RESET_CTRL_MASK 0xc0
157
158#ifndef _ASM
159
160struct fpga_cookie {
161 uint64_t status; /* Interrupt status register */
162 uint64_t enable; /* Interrupt enable register */
163 uint64_t disable; /* Interrupt disable register */
164 uint8_t valid; /* Enabled / Disabled */
165 uint8_t state; /* Idle / Received / Delivered */
166 uint8_t target; /* Physical CPU number */
167};
168
169extern void fpga_uart_mondo_receive(void);
170extern void fpga_uart_intr_getvalid(void);
171extern void fpga_uart_intr_setvalid(void);
172extern void fpga_uart_intr_getstate(void);
173extern void fpga_uart_intr_setstate(void);
174extern void fpga_uart_intr_gettarget(void);
175extern void fpga_uart_intr_settarget(void);
176
177#endif /* !_ASM */
178
179#ifdef __cplusplus
180}
181#endif
182
183#endif /* _HURON_PLATFORM_FPGA_H_ */