FreeBSD/Linux Kernel Cross Reference
sys/arm/mv/orion/orion.c
1 /*-
2 * Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
3 * All rights reserved.
4 *
5 * Developed by Semihalf.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of MARVELL nor the names of contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/bus.h>
38
39 #include <machine/bus.h>
40
41 #include <arm/mv/mvreg.h>
42 #include <arm/mv/mvvar.h>
43 #include <arm/mv/mvwin.h>
44
45 extern const struct obio_pci_irq_map pci_irq_map[];
46
47 struct obio_device obio_devices[] = {
48 { "ic", MV_IC_BASE, MV_IC_SIZE,
49 { -1 },
50 { -1 },
51 CPU_PM_CTRL_NONE
52 },
53 { "timer", MV_TIMERS_BASE, MV_TIMERS_SIZE,
54 { MV_INT_BRIDGE, -1 },
55 { -1 },
56 CPU_PM_CTRL_NONE
57 },
58 { "gpio", MV_GPIO_BASE, MV_GPIO_SIZE,
59 { MV_INT_GPIO7_0, MV_INT_GPIO15_8,
60 MV_INT_GPIO23_16, MV_INT_GPIO31_24, -1 },
61 { -1 },
62 CPU_PM_CTRL_NONE
63 },
64 { "uart", MV_UART0_BASE, MV_UART_SIZE,
65 { MV_INT_UART0, -1 },
66 { -1 },
67 CPU_PM_CTRL_NONE
68 },
69 { "uart", MV_UART1_BASE, MV_UART_SIZE,
70 { MV_INT_UART1, -1 },
71 { -1 },
72 CPU_PM_CTRL_NONE
73 },
74 { "idma", MV_IDMA_BASE, MV_IDMA_SIZE,
75 { MV_INT_IDMA_ERR, MV_INT_IDMA0, MV_INT_IDMA1,
76 MV_INT_IDMA2, MV_INT_IDMA3, -1 },
77 { -1 },
78 CPU_PM_CTRL_NONE
79 },
80 { "ehci", MV_USB0_BASE, MV_USB_SIZE,
81 { MV_INT_USB_BERR, MV_INT_USB_CI, -1 },
82 { -1 },
83 CPU_PM_CTRL_NONE
84 },
85 { "mge", MV_ETH0_BASE, MV_ETH_SIZE,
86 { MV_INT_GBERX, MV_INT_GBETX, MV_INT_GBEMISC,
87 MV_INT_GBESUM, MV_INT_GBEERR, -1 },
88 { -1 },
89 CPU_PM_CTRL_NONE
90 },
91 { "twsi", MV_TWSI0_BASE, MV_TWSI_SIZE,
92 { -1 }, { -1 },
93 CPU_PM_CTRL_NONE
94 },
95 { "sata", MV_SATAHC_BASE, MV_SATAHC_SIZE,
96 { MV_INT_SATA, -1 }, { -1 },
97 CPU_PM_CTRL_NONE
98 },
99 { NULL, 0, 0, { 0 } }
100 };
101
102 const struct obio_pci mv_pci_info[] = {
103 { MV_TYPE_PCIE,
104 MV_PCIE_BASE, MV_PCIE_SIZE,
105 MV_PCIE_IO_BASE, MV_PCIE_IO_SIZE, 4, 0x51,
106 MV_PCIE_MEM_BASE, MV_PCIE_MEM_SIZE, 4, 0x59,
107 NULL, MV_INT_PEX0
108 },
109
110 { MV_TYPE_PCI,
111 MV_PCI_BASE, MV_PCI_SIZE,
112 MV_PCI_IO_BASE, MV_PCI_IO_SIZE, 3, 0x51,
113 MV_PCI_MEM_BASE, MV_PCI_MEM_SIZE, 3, 0x59,
114 pci_irq_map, -1
115 },
116
117 { 0, 0, 0 }
118 };
119
120 struct resource_spec mv_gpio_res[] = {
121 { SYS_RES_MEMORY, 0, RF_ACTIVE },
122 { SYS_RES_IRQ, 0, RF_ACTIVE },
123 { SYS_RES_IRQ, 1, RF_ACTIVE },
124 { SYS_RES_IRQ, 2, RF_ACTIVE },
125 { SYS_RES_IRQ, 3, RF_ACTIVE },
126 { -1, 0 }
127 };
128
129 const struct decode_win cpu_win_tbl[] = {
130 /* Device bus BOOT */
131 { 1, 0x0f, MV_DEV_BOOT_PHYS_BASE, MV_DEV_BOOT_SIZE, -1 },
132
133 /* Device bus CS0 */
134 { 1, 0x1e, MV_DEV_CS0_PHYS_BASE, MV_DEV_CS0_SIZE, -1 },
135
136 /* Device bus CS1 */
137 { 1, 0x1d, MV_DEV_CS1_PHYS_BASE, MV_DEV_CS1_SIZE, -1 },
138
139 /* Device bus CS2 */
140 { 1, 0x1b, MV_DEV_CS2_PHYS_BASE, MV_DEV_CS2_SIZE, -1 },
141 };
142 const struct decode_win *cpu_wins = cpu_win_tbl;
143 int cpu_wins_no = sizeof(cpu_win_tbl) / sizeof(struct decode_win);
144
145 /*
146 * Note: the decode windows table for IDMA does not explicitly have DRAM
147 * entries, which are not statically defined: active DDR banks (== windows)
148 * are established in run time from actual DDR windows settings. All active
149 * DDR banks are mapped into IDMA decode windows, so at least one IDMA decode
150 * window is occupied by the DDR bank; in case when all (MV_WIN_DDR_MAX)
151 * DDR banks are active, the remaining available IDMA decode windows for other
152 * targets is only MV_WIN_IDMA_MAX - MV_WIN_DDR_MAX.
153 */
154 const struct decode_win idma_win_tbl[] = {
155 /* PCIE MEM */
156 { 4, 0x59, MV_PCIE_MEM_PHYS_BASE, MV_PCIE_MEM_SIZE, -1 },
157
158 /* PCI MEM */
159 { 3, 0x59, MV_PCI_MEM_PHYS_BASE, MV_PCI_MEM_SIZE, -1 },
160
161 /* Device bus BOOT */
162 { 1, 0x0f, MV_DEV_BOOT_PHYS_BASE, MV_DEV_BOOT_SIZE, -1 },
163
164 /* Device bus CS0 */
165 { 1, 0x1e, MV_DEV_CS0_PHYS_BASE, MV_DEV_CS0_SIZE, -1 },
166
167 /* Device bus CS1 */
168 { 1, 0x1d, MV_DEV_CS1_PHYS_BASE, MV_DEV_CS1_SIZE, -1 },
169
170 /* Device bus CS2 */
171 { 1, 0x1b, MV_DEV_CS2_PHYS_BASE, MV_DEV_CS2_SIZE, -1 },
172 };
173 const struct decode_win *idma_wins = idma_win_tbl;
174 int idma_wins_no = sizeof(idma_win_tbl) / sizeof(struct decode_win);
175
176 uint32_t
177 get_tclk(void)
178 {
179 uint32_t sar;
180
181 /*
182 * On Orion TCLK is can be configured to 150 MHz or 166 MHz.
183 * Current setting is read from Sample At Reset register.
184 */
185 sar = bus_space_read_4(obio_tag, MV_MPP_BASE, SAMPLE_AT_RESET);
186 sar = (sar & TCLK_MASK) >> TCLK_SHIFT;
187 switch (sar) {
188 case 1:
189 return (TCLK_150MHZ);
190 case 2:
191 return (TCLK_166MHZ);
192 default:
193 panic("Unknown TCLK settings!");
194 }
195 }
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