6b13f685e
 김민수
BSP 최초 추가
|
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
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
|
/*
* arch/arm/mach-dove/common.c
*
* Core functions for Marvell Dove 88AP510 System On Chip
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/clk-provider.h>
#include <linux/dma-mapping.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/platform_data/dma-mv_xor.h>
#include <linux/platform_data/usb-ehci-orion.h>
#include <linux/platform_device.h>
#include <asm/hardware/cache-tauros2.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <mach/bridge-regs.h>
#include <mach/pm.h>
#include <plat/common.h>
#include <plat/irq.h>
#include <plat/time.h>
#include "common.h"
/* These can go away once Dove uses the mvebu-mbus DT binding */
#define DOVE_MBUS_PCIE0_MEM_TARGET 0x4
#define DOVE_MBUS_PCIE0_MEM_ATTR 0xe8
#define DOVE_MBUS_PCIE0_IO_TARGET 0x4
#define DOVE_MBUS_PCIE0_IO_ATTR 0xe0
#define DOVE_MBUS_PCIE1_MEM_TARGET 0x8
#define DOVE_MBUS_PCIE1_MEM_ATTR 0xe8
#define DOVE_MBUS_PCIE1_IO_TARGET 0x8
#define DOVE_MBUS_PCIE1_IO_ATTR 0xe0
#define DOVE_MBUS_CESA_TARGET 0x3
#define DOVE_MBUS_CESA_ATTR 0x1
#define DOVE_MBUS_BOOTROM_TARGET 0x1
#define DOVE_MBUS_BOOTROM_ATTR 0xfd
#define DOVE_MBUS_SCRATCHPAD_TARGET 0xd
#define DOVE_MBUS_SCRATCHPAD_ATTR 0x0
/*****************************************************************************
* I/O Address Mapping
****************************************************************************/
static struct map_desc dove_io_desc[] __initdata = {
{
.virtual = (unsigned long) DOVE_SB_REGS_VIRT_BASE,
.pfn = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE),
.length = DOVE_SB_REGS_SIZE,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long) DOVE_NB_REGS_VIRT_BASE,
.pfn = __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE),
.length = DOVE_NB_REGS_SIZE,
.type = MT_DEVICE,
},
};
void __init dove_map_io(void)
{
iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc));
}
/*****************************************************************************
* CLK tree
****************************************************************************/
static int dove_tclk;
static DEFINE_SPINLOCK(gating_lock);
static struct clk *tclk;
static struct clk __init *dove_register_gate(const char *name,
const char *parent, u8 bit_idx)
{
return clk_register_gate(NULL, name, parent, 0,
(void __iomem *)CLOCK_GATING_CONTROL,
bit_idx, 0, &gating_lock);
}
static void __init dove_clk_init(void)
{
struct clk *usb0, *usb1, *sata, *pex0, *pex1, *sdio0, *sdio1;
struct clk *nand, *camera, *i2s0, *i2s1, *crypto, *ac97, *pdma;
struct clk *xor0, *xor1, *ge, *gephy;
tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT,
dove_tclk);
usb0 = dove_register_gate("usb0", "tclk", CLOCK_GATING_BIT_USB0);
usb1 = dove_register_gate("usb1", "tclk", CLOCK_GATING_BIT_USB1);
sata = dove_register_gate("sata", "tclk", CLOCK_GATING_BIT_SATA);
pex0 = dove_register_gate("pex0", "tclk", CLOCK_GATING_BIT_PCIE0);
pex1 = dove_register_gate("pex1", "tclk", CLOCK_GATING_BIT_PCIE1);
sdio0 = dove_register_gate("sdio0", "tclk", CLOCK_GATING_BIT_SDIO0);
sdio1 = dove_register_gate("sdio1", "tclk", CLOCK_GATING_BIT_SDIO1);
nand = dove_register_gate("nand", "tclk", CLOCK_GATING_BIT_NAND);
camera = dove_register_gate("camera", "tclk", CLOCK_GATING_BIT_CAMERA);
i2s0 = dove_register_gate("i2s0", "tclk", CLOCK_GATING_BIT_I2S0);
i2s1 = dove_register_gate("i2s1", "tclk", CLOCK_GATING_BIT_I2S1);
crypto = dove_register_gate("crypto", "tclk", CLOCK_GATING_BIT_CRYPTO);
ac97 = dove_register_gate("ac97", "tclk", CLOCK_GATING_BIT_AC97);
pdma = dove_register_gate("pdma", "tclk", CLOCK_GATING_BIT_PDMA);
xor0 = dove_register_gate("xor0", "tclk", CLOCK_GATING_BIT_XOR0);
xor1 = dove_register_gate("xor1", "tclk", CLOCK_GATING_BIT_XOR1);
gephy = dove_register_gate("gephy", "tclk", CLOCK_GATING_BIT_GIGA_PHY);
ge = dove_register_gate("ge", "gephy", CLOCK_GATING_BIT_GBE);
orion_clkdev_add(NULL, "orion_spi.0", tclk);
orion_clkdev_add(NULL, "orion_spi.1", tclk);
orion_clkdev_add(NULL, "orion_wdt", tclk);
orion_clkdev_add(NULL, "mv64xxx_i2c.0", tclk);
orion_clkdev_add(NULL, "orion-ehci.0", usb0);
orion_clkdev_add(NULL, "orion-ehci.1", usb1);
orion_clkdev_add(NULL, "mv643xx_eth_port.0", ge);
orion_clkdev_add(NULL, "sata_mv.0", sata);
orion_clkdev_add("0", "pcie", pex0);
orion_clkdev_add("1", "pcie", pex1);
orion_clkdev_add(NULL, "sdhci-dove.0", sdio0);
orion_clkdev_add(NULL, "sdhci-dove.1", sdio1);
orion_clkdev_add(NULL, "orion_nand", nand);
orion_clkdev_add(NULL, "cafe1000-ccic.0", camera);
orion_clkdev_add(NULL, "mvebu-audio.0", i2s0);
orion_clkdev_add(NULL, "mvebu-audio.1", i2s1);
orion_clkdev_add(NULL, "mv_crypto", crypto);
orion_clkdev_add(NULL, "dove-ac97", ac97);
orion_clkdev_add(NULL, "dove-pdma", pdma);
orion_clkdev_add(NULL, MV_XOR_NAME ".0", xor0);
orion_clkdev_add(NULL, MV_XOR_NAME ".1", xor1);
}
/*****************************************************************************
* EHCI0
****************************************************************************/
void __init dove_ehci0_init(void)
{
orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA);
}
/*****************************************************************************
* EHCI1
****************************************************************************/
void __init dove_ehci1_init(void)
{
orion_ehci_1_init(DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1);
}
/*****************************************************************************
* GE00
****************************************************************************/
void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
{
orion_ge00_init(eth_data, DOVE_GE00_PHYS_BASE,
IRQ_DOVE_GE00_SUM, IRQ_DOVE_GE00_ERR,
1600);
}
/*****************************************************************************
* SoC RTC
****************************************************************************/
static void __init dove_rtc_init(void)
{
orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC);
}
/*****************************************************************************
* SATA
****************************************************************************/
void __init dove_sata_init(struct mv_sata_platform_data *sata_data)
{
orion_sata_init(sata_data, DOVE_SATA_PHYS_BASE, IRQ_DOVE_SATA);
}
/*****************************************************************************
* UART0
****************************************************************************/
void __init dove_uart0_init(void)
{
orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE,
IRQ_DOVE_UART_0, tclk);
}
/*****************************************************************************
* UART1
****************************************************************************/
void __init dove_uart1_init(void)
{
orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE,
IRQ_DOVE_UART_1, tclk);
}
/*****************************************************************************
* UART2
****************************************************************************/
void __init dove_uart2_init(void)
{
orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE,
IRQ_DOVE_UART_2, tclk);
}
/*****************************************************************************
* UART3
****************************************************************************/
void __init dove_uart3_init(void)
{
orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE,
IRQ_DOVE_UART_3, tclk);
}
/*****************************************************************************
* SPI
****************************************************************************/
void __init dove_spi0_init(void)
{
orion_spi_init(DOVE_SPI0_PHYS_BASE);
}
void __init dove_spi1_init(void)
{
orion_spi_1_init(DOVE_SPI1_PHYS_BASE);
}
/*****************************************************************************
* I2C
****************************************************************************/
void __init dove_i2c_init(void)
{
orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10);
}
/*****************************************************************************
* Time handling
****************************************************************************/
void __init dove_init_early(void)
{
orion_time_set_base(TIMER_VIRT_BASE);
mvebu_mbus_init("marvell,dove-mbus",
BRIDGE_WINS_BASE, BRIDGE_WINS_SZ,
DOVE_MC_WINS_BASE, DOVE_MC_WINS_SZ);
}
static int __init dove_find_tclk(void)
{
return 166666667;
}
void __init dove_timer_init(void)
{
dove_tclk = dove_find_tclk();
orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
IRQ_DOVE_BRIDGE, dove_tclk);
}
/*****************************************************************************
* XOR 0
****************************************************************************/
static void __init dove_xor0_init(void)
{
orion_xor0_init(DOVE_XOR0_PHYS_BASE, DOVE_XOR0_HIGH_PHYS_BASE,
IRQ_DOVE_XOR_00, IRQ_DOVE_XOR_01);
}
/*****************************************************************************
* XOR 1
****************************************************************************/
static void __init dove_xor1_init(void)
{
orion_xor1_init(DOVE_XOR1_PHYS_BASE, DOVE_XOR1_HIGH_PHYS_BASE,
IRQ_DOVE_XOR_10, IRQ_DOVE_XOR_11);
}
/*****************************************************************************
* SDIO
****************************************************************************/
static u64 sdio_dmamask = DMA_BIT_MASK(32);
static struct resource dove_sdio0_resources[] = {
{
.start = DOVE_SDIO0_PHYS_BASE,
.end = DOVE_SDIO0_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_SDIO0,
.end = IRQ_DOVE_SDIO0,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_sdio0 = {
.name = "sdhci-dove",
.id = 0,
.dev = {
.dma_mask = &sdio_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = dove_sdio0_resources,
.num_resources = ARRAY_SIZE(dove_sdio0_resources),
};
void __init dove_sdio0_init(void)
{
platform_device_register(&dove_sdio0);
}
static struct resource dove_sdio1_resources[] = {
{
.start = DOVE_SDIO1_PHYS_BASE,
.end = DOVE_SDIO1_PHYS_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
.start = IRQ_DOVE_SDIO1,
.end = IRQ_DOVE_SDIO1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device dove_sdio1 = {
.name = "sdhci-dove",
.id = 1,
.dev = {
.dma_mask = &sdio_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = dove_sdio1_resources,
.num_resources = ARRAY_SIZE(dove_sdio1_resources),
};
void __init dove_sdio1_init(void)
{
platform_device_register(&dove_sdio1);
}
void __init dove_setup_cpu_wins(void)
{
/*
* The PCIe windows will no longer be statically allocated
* here once Dove is migrated to the pci-mvebu driver. The
* non-PCIe windows will no longer be created here once Dove
* fully moves to DT.
*/
mvebu_mbus_add_window_remap_by_id(DOVE_MBUS_PCIE0_IO_TARGET,
DOVE_MBUS_PCIE0_IO_ATTR,
DOVE_PCIE0_IO_PHYS_BASE,
DOVE_PCIE0_IO_SIZE,
DOVE_PCIE0_IO_BUS_BASE);
mvebu_mbus_add_window_remap_by_id(DOVE_MBUS_PCIE1_IO_TARGET,
DOVE_MBUS_PCIE1_IO_ATTR,
DOVE_PCIE1_IO_PHYS_BASE,
DOVE_PCIE1_IO_SIZE,
DOVE_PCIE1_IO_BUS_BASE);
mvebu_mbus_add_window_by_id(DOVE_MBUS_PCIE0_MEM_TARGET,
DOVE_MBUS_PCIE0_MEM_ATTR,
DOVE_PCIE0_MEM_PHYS_BASE,
DOVE_PCIE0_MEM_SIZE);
mvebu_mbus_add_window_by_id(DOVE_MBUS_PCIE1_MEM_TARGET,
DOVE_MBUS_PCIE1_MEM_ATTR,
DOVE_PCIE1_MEM_PHYS_BASE,
DOVE_PCIE1_MEM_SIZE);
mvebu_mbus_add_window_by_id(DOVE_MBUS_CESA_TARGET,
DOVE_MBUS_CESA_ATTR,
DOVE_CESA_PHYS_BASE,
DOVE_CESA_SIZE);
mvebu_mbus_add_window_by_id(DOVE_MBUS_BOOTROM_TARGET,
DOVE_MBUS_BOOTROM_ATTR,
DOVE_BOOTROM_PHYS_BASE,
DOVE_BOOTROM_SIZE);
mvebu_mbus_add_window_by_id(DOVE_MBUS_SCRATCHPAD_TARGET,
DOVE_MBUS_SCRATCHPAD_ATTR,
DOVE_SCRATCHPAD_PHYS_BASE,
DOVE_SCRATCHPAD_SIZE);
}
void __init dove_init(void)
{
pr_info("Dove 88AP510 SoC, TCLK = %d MHz.
",
(dove_tclk + 499999) / 1000000);
#ifdef CONFIG_CACHE_TAUROS2
tauros2_init(0);
#endif
dove_setup_cpu_wins();
/* Setup root of clk tree */
dove_clk_init();
/* internal devices that every board has */
dove_rtc_init();
dove_xor0_init();
dove_xor1_init();
}
void dove_restart(enum reboot_mode mode, const char *cmd)
{
/*
* Enable soft reset to assert RSTOUTn.
*/
writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
/*
* Assert soft reset.
*/
writel(SOFT_RESET, SYSTEM_SOFT_RESET);
while (1)
;
}
|