1 /*
2  * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
3  * reserved.
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the NetLogic
9  * license below:
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  *
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in
19  *    the documentation and/or other materials provided with the
20  *    distribution.
21  *
22  * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
29  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
31  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
32  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef _NLM_HAL_XLP_H
36 #define _NLM_HAL_XLP_H
37 
38 #define PIC_UART_0_IRQ			17
39 #define PIC_UART_1_IRQ			18
40 
41 #define PIC_PCIE_LINK_LEGACY_IRQ_BASE	19
42 #define PIC_PCIE_LINK_LEGACY_IRQ(i)	(19 + (i))
43 
44 #define PIC_EHCI_0_IRQ			23
45 #define PIC_EHCI_1_IRQ			24
46 #define PIC_OHCI_0_IRQ			25
47 #define PIC_OHCI_1_IRQ			26
48 #define PIC_OHCI_2_IRQ			27
49 #define PIC_OHCI_3_IRQ			28
50 #define PIC_2XX_XHCI_0_IRQ		23
51 #define PIC_2XX_XHCI_1_IRQ		24
52 #define PIC_2XX_XHCI_2_IRQ		25
53 #define PIC_9XX_XHCI_0_IRQ		23
54 #define PIC_9XX_XHCI_1_IRQ		24
55 #define PIC_9XX_XHCI_2_IRQ		25
56 
57 #define PIC_MMC_IRQ			29
58 #define PIC_I2C_0_IRQ			30
59 #define PIC_I2C_1_IRQ			31
60 #define PIC_I2C_2_IRQ			32
61 #define PIC_I2C_3_IRQ			33
62 #define PIC_SPI_IRQ			34
63 #define PIC_NAND_IRQ			37
64 #define PIC_SATA_IRQ			38
65 #define PIC_GPIO_IRQ			39
66 
67 #define PIC_PCIE_LINK_MSI_IRQ_BASE	44	/* 44 - 47 MSI IRQ */
68 #define PIC_PCIE_LINK_MSI_IRQ(i)	(44 + (i))
69 
70 /* MSI-X with second link-level dispatch */
71 #define PIC_PCIE_MSIX_IRQ_BASE		48	/* 48 - 51 MSI-X IRQ */
72 #define PIC_PCIE_MSIX_IRQ(i)		(48 + (i))
73 
74 /* XLP9xx and XLP8xx has 128 and 32 MSIX vectors respectively */
75 #define NLM_MSIX_VEC_BASE		96	/* 96 - 223 - MSIX mapped */
76 #define NLM_MSI_VEC_BASE		224	/* 224 -351 - MSI mapped */
77 
78 #define NLM_PIC_INDIRECT_VEC_BASE	512
79 #define NLM_GPIO_VEC_BASE		768
80 
81 #define PIC_IRQ_BASE			8
82 #define PIC_IRT_FIRST_IRQ		PIC_IRQ_BASE
83 #define PIC_IRT_LAST_IRQ		63
84 
85 #ifndef __ASSEMBLY__
86 
87 /* SMP support functions */
88 void xlp_boot_core0_siblings(void);
89 void xlp_wakeup_secondary_cpus(void);
90 
91 void xlp_mmu_init(void);
92 void nlm_hal_init(void);
93 int nlm_get_dram_map(int node, uint64_t *dram_map, int nentries);
94 
95 struct pci_dev;
96 int xlp_socdev_to_node(const struct pci_dev *dev);
97 
98 /* Device tree related */
99 void xlp_early_init_devtree(void);
100 void *xlp_dt_init(void *fdtp);
101 
cpu_is_xlpii(void)102 static inline int cpu_is_xlpii(void)
103 {
104 	int chip = read_c0_prid() & PRID_IMP_MASK;
105 
106 	return chip == PRID_IMP_NETLOGIC_XLP2XX ||
107 		chip == PRID_IMP_NETLOGIC_XLP9XX ||
108 		chip == PRID_IMP_NETLOGIC_XLP5XX;
109 }
110 
cpu_is_xlp9xx(void)111 static inline int cpu_is_xlp9xx(void)
112 {
113 	int chip = read_c0_prid() & PRID_IMP_MASK;
114 
115 	return chip == PRID_IMP_NETLOGIC_XLP9XX ||
116 		chip == PRID_IMP_NETLOGIC_XLP5XX;
117 }
118 #endif /* !__ASSEMBLY__ */
119 #endif /* _ASM_NLM_XLP_H */
120