1 | /* |
2 | * Setup pointers to hardware-dependent routines. |
3 | * |
4 | * This file is subject to the terms and conditions of the GNU General Public |
5 | * License. See the file "COPYING" in the main directory of this archive |
6 | * for more details. |
7 | * |
8 | * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle |
9 | * Copyright (C) 2001 MIPS Technologies, Inc. |
10 | * Copyright (C) 2007 by Thomas Bogendoerfer |
11 | */ |
12 | #include <linux/eisa.h> |
13 | #include <linux/init.h> |
14 | #include <linux/ioport.h> |
15 | #include <linux/console.h> |
16 | #include <linux/platform_device.h> |
17 | #include <linux/serial_8250.h> |
18 | #include <linux/dma-mapping.h> |
19 | #include <linux/pgtable.h> |
20 | |
21 | #include <asm/jazz.h> |
22 | #include <asm/jazzdma.h> |
23 | #include <asm/reboot.h> |
24 | #include <asm/tlbmisc.h> |
25 | |
26 | extern asmlinkage void jazz_handle_int(void); |
27 | |
28 | extern void jazz_machine_restart(char *command); |
29 | |
30 | static struct resource jazz_io_resources[] = { |
31 | { |
32 | .start = 0x00, |
33 | .end = 0x1f, |
34 | .name = "dma1" , |
35 | .flags = IORESOURCE_IO | IORESOURCE_BUSY |
36 | }, { |
37 | .start = 0x40, |
38 | .end = 0x5f, |
39 | .name = "timer" , |
40 | .flags = IORESOURCE_IO | IORESOURCE_BUSY |
41 | }, { |
42 | .start = 0x80, |
43 | .end = 0x8f, |
44 | .name = "dma page reg" , |
45 | .flags = IORESOURCE_IO | IORESOURCE_BUSY |
46 | }, { |
47 | .start = 0xc0, |
48 | .end = 0xdf, |
49 | .name = "dma2" , |
50 | .flags = IORESOURCE_IO | IORESOURCE_BUSY |
51 | } |
52 | }; |
53 | |
54 | void __init plat_mem_setup(void) |
55 | { |
56 | int i; |
57 | |
58 | /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ |
59 | add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K); |
60 | /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ |
61 | add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M); |
62 | /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ |
63 | add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M); |
64 | |
65 | set_io_port_base(JAZZ_PORT_BASE); |
66 | #ifdef CONFIG_EISA |
67 | EISA_bus = 1; |
68 | #endif |
69 | |
70 | /* request I/O space for devices used on all i[345]86 PCs */ |
71 | for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++) |
72 | request_resource(root: &ioport_resource, new: jazz_io_resources + i); |
73 | |
74 | /* The RTC is outside the port address space */ |
75 | |
76 | _machine_restart = jazz_machine_restart; |
77 | |
78 | add_preferred_console(name: "ttyS" , idx: 0, options: "9600" ); |
79 | } |
80 | |
81 | #ifdef CONFIG_OLIVETTI_M700 |
82 | #define UART_CLK 1843200 |
83 | #else |
84 | /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know |
85 | exactly which ones ... XXX */ |
86 | #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ |
87 | #endif |
88 | |
89 | #define MEMPORT(_base, _irq) \ |
90 | { \ |
91 | .mapbase = (_base), \ |
92 | .membase = (void *)(_base), \ |
93 | .irq = (_irq), \ |
94 | .uartclk = UART_CLK, \ |
95 | .iotype = UPIO_MEM, \ |
96 | .flags = UPF_BOOT_AUTOCONF, \ |
97 | } |
98 | |
99 | static struct plat_serial8250_port jazz_serial_data[] = { |
100 | MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), |
101 | MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), |
102 | { }, |
103 | }; |
104 | |
105 | static struct platform_device jazz_serial8250_device = { |
106 | .name = "serial8250" , |
107 | .id = PLAT8250_DEV_PLATFORM, |
108 | .dev = { |
109 | .platform_data = jazz_serial_data, |
110 | }, |
111 | }; |
112 | |
113 | static struct resource jazz_esp_rsrc[] = { |
114 | { |
115 | .start = JAZZ_SCSI_BASE, |
116 | .end = JAZZ_SCSI_BASE + 31, |
117 | .flags = IORESOURCE_MEM |
118 | }, |
119 | { |
120 | .start = JAZZ_SCSI_DMA, |
121 | .end = JAZZ_SCSI_DMA, |
122 | .flags = IORESOURCE_MEM |
123 | }, |
124 | { |
125 | .start = JAZZ_SCSI_IRQ, |
126 | .end = JAZZ_SCSI_IRQ, |
127 | .flags = IORESOURCE_IRQ |
128 | } |
129 | }; |
130 | |
131 | static u64 jazz_esp_dma_mask = DMA_BIT_MASK(32); |
132 | |
133 | static struct platform_device jazz_esp_pdev = { |
134 | .name = "jazz_esp" , |
135 | .num_resources = ARRAY_SIZE(jazz_esp_rsrc), |
136 | .resource = jazz_esp_rsrc, |
137 | .dev = { |
138 | .dma_mask = &jazz_esp_dma_mask, |
139 | .coherent_dma_mask = DMA_BIT_MASK(32), |
140 | } |
141 | }; |
142 | |
143 | static struct resource jazz_sonic_rsrc[] = { |
144 | { |
145 | .start = JAZZ_ETHERNET_BASE, |
146 | .end = JAZZ_ETHERNET_BASE + 0xff, |
147 | .flags = IORESOURCE_MEM |
148 | }, |
149 | { |
150 | .start = JAZZ_ETHERNET_IRQ, |
151 | .end = JAZZ_ETHERNET_IRQ, |
152 | .flags = IORESOURCE_IRQ |
153 | } |
154 | }; |
155 | |
156 | static u64 jazz_sonic_dma_mask = DMA_BIT_MASK(32); |
157 | |
158 | static struct platform_device jazz_sonic_pdev = { |
159 | .name = "jazzsonic" , |
160 | .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), |
161 | .resource = jazz_sonic_rsrc, |
162 | .dev = { |
163 | .dma_mask = &jazz_sonic_dma_mask, |
164 | .coherent_dma_mask = DMA_BIT_MASK(32), |
165 | } |
166 | }; |
167 | |
168 | static struct resource jazz_cmos_rsrc[] = { |
169 | { |
170 | .start = 0x70, |
171 | .end = 0x71, |
172 | .flags = IORESOURCE_IO |
173 | }, |
174 | { |
175 | .start = 8, |
176 | .end = 8, |
177 | .flags = IORESOURCE_IRQ |
178 | } |
179 | }; |
180 | |
181 | static struct platform_device jazz_cmos_pdev = { |
182 | .name = "rtc_cmos" , |
183 | .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), |
184 | .resource = jazz_cmos_rsrc |
185 | }; |
186 | |
187 | static struct platform_device pcspeaker_pdev = { |
188 | .name = "pcspkr" , |
189 | .id = -1, |
190 | }; |
191 | |
192 | static int __init jazz_setup_devinit(void) |
193 | { |
194 | platform_device_register(&jazz_serial8250_device); |
195 | platform_device_register(&jazz_esp_pdev); |
196 | platform_device_register(&jazz_sonic_pdev); |
197 | platform_device_register(&jazz_cmos_pdev); |
198 | platform_device_register(&pcspeaker_pdev); |
199 | |
200 | return 0; |
201 | } |
202 | |
203 | device_initcall(jazz_setup_devinit); |
204 | |