1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
|
/*
* linux/arch/sh/boards/magicpanel/setup.c
*
* Copyright (C) 2007 Markus Brunner, Mark Jonas
*
* Magic Panel Release 2 board setup
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/ide.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <asm/magicpanelr2.h>
#include <asm/heartbeat.h>
#define LAN9115_READY (ctrl_inl(0xA8000084UL) & 0x00000001UL)
/* Wait until reset finished. Timeout is 100ms. */
static int __init ethernet_reset_finished(void)
{
int i;
if (LAN9115_READY)
return 1;
for (i = 0; i < 10; ++i) {
mdelay(10);
if (LAN9115_READY)
return 1;
}
return 0;
}
static void __init reset_ethernet(void)
{
/* PMDR: LAN_RESET=on */
CLRBITS_OUTB(0x10, PORT_PMDR);
udelay(200);
/* PMDR: LAN_RESET=off */
SETBITS_OUTB(0x10, PORT_PMDR);
}
static void __init setup_chip_select(void)
{
/* CS2: LAN (0x08000000 - 0x0bffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x36db0400, CS2BCR);
/* (SW:1.5 WR:3 HW:1.5), ext. wait */
ctrl_outl(0x000003c0, CS2WCR);
/* CS4: CAN1 (0xb0000000 - 0xb3ffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x00000200, CS4BCR);
/* (SW:1.5 WR:3 HW:1.5), ext. wait */
ctrl_outl(0x00100981, CS4WCR);
/* CS5a: CAN2 (0xb4000000 - 0xb5ffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x00000200, CS5ABCR);
/* (SW:1.5 WR:3 HW:1.5), ext. wait */
ctrl_outl(0x00100981, CS5AWCR);
/* CS5b: CAN3 (0xb6000000 - 0xb7ffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x00000200, CS5BBCR);
/* (SW:1.5 WR:3 HW:1.5), ext. wait */
ctrl_outl(0x00100981, CS5BWCR);
/* CS6a: Rotary (0xb8000000 - 0xb9ffffff) */
/* no idle cycles, normal space, 8 bit data bus */
ctrl_outl(0x00000200, CS6ABCR);
/* (SW:1.5 WR:3 HW:1.5), no ext. wait */
ctrl_outl(0x001009C1, CS6AWCR);
}
static void __init setup_port_multiplexing(void)
{
/* A7 GPO(LED8); A6 GPO(LED7); A5 GPO(LED6); A4 GPO(LED5);
* A3 GPO(LED4); A2 GPO(LED3); A1 GPO(LED2); A0 GPO(LED1);
*/
ctrl_outw(0x5555, PORT_PACR); /* 01 01 01 01 01 01 01 01 */
/* B7 GPO(RST4); B6 GPO(RST3); B5 GPO(RST2); B4 GPO(RST1);
* B3 GPO(PB3); B2 GPO(PB2); B1 GPO(PB1); B0 GPO(PB0);
*/
ctrl_outw(0x5555, PORT_PBCR); /* 01 01 01 01 01 01 01 01 */
/* C7 GPO(PC7); C6 GPO(PC6); C5 GPO(PC5); C4 GPO(PC4);
* C3 LCD_DATA3; C2 LCD_DATA2; C1 LCD_DATA1; C0 LCD_DATA0;
*/
ctrl_outw(0x5500, PORT_PCCR); /* 01 01 01 01 00 00 00 00 */
/* D7 GPO(PD7); D6 GPO(PD6); D5 GPO(PD5); D4 GPO(PD4);
* D3 GPO(PD3); D2 GPO(PD2); D1 GPO(PD1); D0 GPO(PD0);
*/
ctrl_outw(0x5555, PORT_PDCR); /* 01 01 01 01 01 01 01 01 */
/* E7 (x); E6 GPI(nu); E5 GPI(nu); E4 LCD_M_DISP;
* E3 LCD_CL1; E2 LCD_CL2; E1 LCD_DON; E0 LCD_FLM;
*/
ctrl_outw(0x3C00, PORT_PECR); /* 00 11 11 00 00 00 00 00 */
/* F7 (x); F6 DA1(VLCD); F5 DA0(nc); F4 AN3;
* F3 AN2(MID_AD); F2 AN1(EARTH_AD); F1 AN0(TEMP); F0 GPI+(nc);
*/
ctrl_outw(0x0002, PORT_PFCR); /* 00 00 00 00 00 00 00 10 */
/* G7 (x); G6 IRQ5(TOUCH_BUSY); G5 IRQ4(TOUCH_IRQ); G4 GPI(KEY2);
* G3 GPI(KEY1); G2 GPO(LED11); G1 GPO(LED10); G0 GPO(LED9);
*/
ctrl_outw(0x03D5, PORT_PGCR); /* 00 00 00 11 11 01 01 01 */
/* H7 (x); H6 /RAS(BRAS); H5 /CAS(BCAS); H4 CKE(BCKE);
* H3 GPO(EARTH_OFF); H2 GPO(EARTH_TEST); H1 USB2_PWR; H0 USB1_PWR;
*/
ctrl_outw(0x0050, PORT_PHCR); /* 00 00 00 00 01 01 00 00 */
/* J7 (x); J6 AUDCK; J5 ASEBRKAK; J4 AUDATA3;
* J3 AUDATA2; J2 AUDATA1; J1 AUDATA0; J0 AUDSYNC;
*/
ctrl_outw(0x0000, PORT_PJCR); /* 00 00 00 00 00 00 00 00 */
/* K7 (x); K6 (x); K5 (x); K4 (x);
* K3 PINT7(/PWR2); K2 PINT6(/PWR1); K1 PINT5(nu); K0 PINT4(FLASH_READY)
*/
ctrl_outw(0x00FF, PORT_PKCR); /* 00 00 00 00 11 11 11 11 */
/* L7 TRST; L6 TMS; L5 TDO; L4 TDI;
* L3 TCK; L2 (x); L1 (x); L0 (x);
*/
ctrl_outw(0x0000, PORT_PLCR); /* 00 00 00 00 00 00 00 00 */
/* M7 GPO(CURRENT_SINK); M6 GPO(PWR_SWITCH); M5 GPO(LAN_SPEED);
* M4 GPO(LAN_RESET); M3 GPO(BUZZER); M2 GPO(LCD_BL);
* M1 CS5B(CAN3_CS); M0 GPI+(nc);
*/
ctrl_outw(0x5552, PORT_PMCR); /* 01 01 01 01 01 01 00 10 */
/* CURRENT_SINK=off, PWR_SWITCH=off, LAN_SPEED=100MBit,
* LAN_RESET=off, BUZZER=off, LCD_BL=off
*/
#if CONFIG_SH_MAGIC_PANEL_R2_VERSION == 2
ctrl_outb(0x30, PORT_PMDR);
#elif CONFIG_SH_MAGIC_PANEL_R2_VERSION == 3
ctrl_outb(0xF0, PORT_PMDR);
#else
#error Unknown revision of PLATFORM_MP_R2
#endif
/* P7 (x); P6 (x); P5 (x);
* P4 GPO(nu); P3 IRQ3(LAN_IRQ); P2 IRQ2(CAN3_IRQ);
* P1 IRQ1(CAN2_IRQ); P0 IRQ0(CAN1_IRQ)
*/
ctrl_outw(0x0100, PORT_PPCR); /* 00 00 00 01 00 00 00 00 */
ctrl_outb(0x10, PORT_PPDR);
/* R7 A25; R6 A24; R5 A23; R4 A22;
* R3 A21; R2 A20; R1 A19; R0 A0;
*/
ctrl_outw(0x0000, PORT_PRCR); /* 00 00 00 00 00 00 00 00 */
/* S7 (x); S6 (x); S5 (x); S4 GPO(EEPROM_CS2);
* S3 GPO(EEPROM_CS1); S2 SIOF0_TXD; S1 SIOF0_RXD; S0 SIOF0_SCK;
*/
ctrl_outw(0x0140, PORT_PSCR); /* 00 00 00 01 01 00 00 00 */
/* T7 (x); T6 (x); T5 (x); T4 COM1_CTS;
* T3 COM1_RTS; T2 COM1_TXD; T1 COM1_RXD; T0 GPO(WDOG)
*/
ctrl_outw(0x0001, PORT_PTCR); /* 00 00 00 00 00 00 00 01 */
/* U7 (x); U6 (x); U5 (x); U4 GPI+(/AC_FAULT);
* U3 GPO(TOUCH_CS); U2 TOUCH_TXD; U1 TOUCH_RXD; U0 TOUCH_SCK;
*/
ctrl_outw(0x0240, PORT_PUCR); /* 00 00 00 10 01 00 00 00 */
/* V7 (x); V6 (x); V5 (x); V4 GPO(MID2);
* V3 GPO(MID1); V2 CARD_TxD; V1 CARD_RxD; V0 GPI+(/BAT_FAULT);
*/
ctrl_outw(0x0142, PORT_PVCR); /* 00 00 00 01 01 00 00 10 */
}
static void __init mpr2_setup(char **cmdline_p)
{
__set_io_port_base(0xa0000000);
/* set Pin Select Register A:
* /PCC_CD1, /PCC_CD2, PCC_BVD1, PCC_BVD2,
* /IOIS16, IRQ4, IRQ5, USB1d_SUSPEND
*/
ctrl_outw(0xAABC, PORT_PSELA);
/* set Pin Select Register B:
* /SCIF0_RTS, /SCIF0_CTS, LCD_VCPWC,
* LCD_VEPWC, IIC_SDA, IIC_SCL, Reserved
*/
ctrl_outw(0x3C00, PORT_PSELB);
/* set Pin Select Register C:
* SIOF1_SCK, SIOF1_RxD, SCIF1_RxD, SCIF1_TxD, Reserved
*/
ctrl_outw(0x0000, PORT_PSELC);
/* set Pin Select Register D: Reserved, SIOF1_TxD, Reserved, SIOF1_MCLK,
* Reserved, SIOF1_SYNC, Reserved, SCIF1_SCK, Reserved
*/
ctrl_outw(0x0000, PORT_PSELD);
/* set USB TxRx Control: Reserved, DRV, Reserved, USB_TRANS, USB_SEL */
ctrl_outw(0x0101, PORT_UTRCTL);
/* set USB Clock Control: USSCS, USSTB, Reserved (HighByte always A5) */
ctrl_outw(0xA5C0, PORT_UCLKCR_W);
setup_chip_select();
setup_port_multiplexing();
reset_ethernet();
printk(KERN_INFO "Magic Panel Release 2 A.%i\n",
CONFIG_SH_MAGIC_PANEL_R2_VERSION);
if (ethernet_reset_finished() == 0)
printk(KERN_WARNING "Ethernet not ready\n");
}
static struct resource smc911x_resources[] = {
[0] = {
.start = 0xa8000000,
.end = 0xabffffff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 35,
.end = 35,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device smc911x_device = {
.name = "smc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smc911x_resources),
.resource = smc911x_resources,
};
static struct resource heartbeat_resources[] = {
[0] = {
.start = PA_LED,
.end = PA_LED,
.flags = IORESOURCE_MEM,
},
};
static struct heartbeat_data heartbeat_data = {
.flags = HEARTBEAT_INVERTED,
};
static struct platform_device heartbeat_device = {
.name = "heartbeat",
.id = -1,
.dev = {
.platform_data = &heartbeat_data,
},
.num_resources = ARRAY_SIZE(heartbeat_resources),
.resource = heartbeat_resources,
};
static struct platform_device *mpr2_devices[] __initdata = {
&heartbeat_device,
&smc911x_device,
};
static int __init mpr2_devices_setup(void)
{
return platform_add_devices(mpr2_devices, ARRAY_SIZE(mpr2_devices));
}
device_initcall(mpr2_devices_setup);
/*
* Initialize IRQ setting
*/
static void __init init_mpr2_IRQ(void)
{
plat_irq_setup_pins(IRQ_MODE_IRQ); /* install handlers for IRQ0-5 */
set_irq_type(32, IRQ_TYPE_LEVEL_LOW); /* IRQ0 CAN1 */
set_irq_type(33, IRQ_TYPE_LEVEL_LOW); /* IRQ1 CAN2 */
set_irq_type(34, IRQ_TYPE_LEVEL_LOW); /* IRQ2 CAN3 */
set_irq_type(35, IRQ_TYPE_LEVEL_LOW); /* IRQ3 SMSC9115 */
set_irq_type(36, IRQ_TYPE_EDGE_RISING); /* IRQ4 touchscreen */
set_irq_type(37, IRQ_TYPE_EDGE_FALLING); /* IRQ5 touchscreen */
intc_set_priority(32, 13); /* IRQ0 CAN1 */
intc_set_priority(33, 13); /* IRQ0 CAN2 */
intc_set_priority(34, 13); /* IRQ0 CAN3 */
intc_set_priority(35, 6); /* IRQ3 SMSC9115 */
}
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_mpr2 __initmv = {
.mv_name = "mpr2",
.mv_setup = mpr2_setup,
.mv_init_irq = init_mpr2_IRQ,
};
|
