2 * Texas Instruments TNETV107X SoC devices
4 * Copyright (C) 2010 Texas Instruments
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation version 2.
10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11 * kind, whether express or implied; without even the implied warranty
12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/dma-mapping.h>
19 #include <linux/clk.h>
20 #include <linux/slab.h>
22 #include <mach/common.h>
23 #include <mach/irqs.h>
24 #include <mach/edma.h>
25 #include <mach/tnetv107x.h>
29 /* Base addresses for on-chip devices */
30 #define TNETV107X_TPCC_BASE 0x01c00000
31 #define TNETV107X_TPTC0_BASE 0x01c10000
32 #define TNETV107X_TPTC1_BASE 0x01c10400
33 #define TNETV107X_WDOG_BASE 0x08086700
34 #define TNETV107X_TSC_BASE 0x08088500
35 #define TNETV107X_SDIO0_BASE 0x08088700
36 #define TNETV107X_SDIO1_BASE 0x08088800
37 #define TNETV107X_KEYPAD_BASE 0x08088a00
38 #define TNETV107X_ASYNC_EMIF_CNTRL_BASE 0x08200000
39 #define TNETV107X_ASYNC_EMIF_DATA_CE0_BASE 0x30000000
40 #define TNETV107X_ASYNC_EMIF_DATA_CE1_BASE 0x40000000
41 #define TNETV107X_ASYNC_EMIF_DATA_CE2_BASE 0x44000000
42 #define TNETV107X_ASYNC_EMIF_DATA_CE3_BASE 0x48000000
44 /* TNETV107X specific EDMA3 information */
45 #define EDMA_TNETV107X_NUM_DMACH 64
46 #define EDMA_TNETV107X_NUM_TCC 64
47 #define EDMA_TNETV107X_NUM_PARAMENTRY 128
48 #define EDMA_TNETV107X_NUM_EVQUE 2
49 #define EDMA_TNETV107X_NUM_TC 2
50 #define EDMA_TNETV107X_CHMAP_EXIST 0
51 #define EDMA_TNETV107X_NUM_REGIONS 4
52 #define TNETV107X_DMACH2EVENT_MAP0 0x3C0CE000u
53 #define TNETV107X_DMACH2EVENT_MAP1 0x000FFFFFu
55 #define TNETV107X_DMACH_SDIO0_RX 26
56 #define TNETV107X_DMACH_SDIO0_TX 27
57 #define TNETV107X_DMACH_SDIO1_RX 28
58 #define TNETV107X_DMACH_SDIO1_TX 29
60 static const s8 edma_tc_mapping
[][2] = {
61 /* event queue no TC no */
67 static const s8 edma_priority_mapping
[][2] = {
68 /* event queue no Prio */
74 static struct edma_soc_info edma_cc0_info
= {
75 .n_channel
= EDMA_TNETV107X_NUM_DMACH
,
76 .n_region
= EDMA_TNETV107X_NUM_REGIONS
,
77 .n_slot
= EDMA_TNETV107X_NUM_PARAMENTRY
,
78 .n_tc
= EDMA_TNETV107X_NUM_TC
,
80 .queue_tc_mapping
= edma_tc_mapping
,
81 .queue_priority_mapping
= edma_priority_mapping
,
84 static struct edma_soc_info
*tnetv107x_edma_info
[EDMA_MAX_CC
] = {
88 static struct resource edma_resources
[] = {
91 .start
= TNETV107X_TPCC_BASE
,
92 .end
= TNETV107X_TPCC_BASE
+ SZ_32K
- 1,
93 .flags
= IORESOURCE_MEM
,
97 .start
= TNETV107X_TPTC0_BASE
,
98 .end
= TNETV107X_TPTC0_BASE
+ SZ_1K
- 1,
99 .flags
= IORESOURCE_MEM
,
103 .start
= TNETV107X_TPTC1_BASE
,
104 .end
= TNETV107X_TPTC1_BASE
+ SZ_1K
- 1,
105 .flags
= IORESOURCE_MEM
,
109 .start
= IRQ_TNETV107X_TPCC
,
110 .flags
= IORESOURCE_IRQ
,
114 .start
= IRQ_TNETV107X_TPCC_ERR
,
115 .flags
= IORESOURCE_IRQ
,
119 static struct platform_device edma_device
= {
122 .num_resources
= ARRAY_SIZE(edma_resources
),
123 .resource
= edma_resources
,
124 .dev
.platform_data
= tnetv107x_edma_info
,
127 static struct plat_serial8250_port serial_data
[] = {
129 .mapbase
= TNETV107X_UART0_BASE
,
130 .irq
= IRQ_TNETV107X_UART0
,
131 .flags
= UPF_BOOT_AUTOCONF
| UPF_SKIP_TEST
|
132 UPF_FIXED_TYPE
| UPF_IOREMAP
,
134 .iotype
= UPIO_MEM32
,
138 .mapbase
= TNETV107X_UART1_BASE
,
139 .irq
= IRQ_TNETV107X_UART1
,
140 .flags
= UPF_BOOT_AUTOCONF
| UPF_SKIP_TEST
|
141 UPF_FIXED_TYPE
| UPF_IOREMAP
,
143 .iotype
= UPIO_MEM32
,
147 .mapbase
= TNETV107X_UART2_BASE
,
148 .irq
= IRQ_TNETV107X_UART2
,
149 .flags
= UPF_BOOT_AUTOCONF
| UPF_SKIP_TEST
|
150 UPF_FIXED_TYPE
| UPF_IOREMAP
,
152 .iotype
= UPIO_MEM32
,
160 struct platform_device tnetv107x_serial_device
= {
161 .name
= "serial8250",
162 .id
= PLAT8250_DEV_PLATFORM
,
163 .dev
.platform_data
= serial_data
,
166 static struct resource mmc0_resources
[] = {
167 { /* Memory mapped registers */
168 .start
= TNETV107X_SDIO0_BASE
,
169 .end
= TNETV107X_SDIO0_BASE
+ 0x0ff,
170 .flags
= IORESOURCE_MEM
172 { /* MMC interrupt */
173 .start
= IRQ_TNETV107X_MMC0
,
174 .flags
= IORESOURCE_IRQ
176 { /* SDIO interrupt */
177 .start
= IRQ_TNETV107X_SDIO0
,
178 .flags
= IORESOURCE_IRQ
181 .start
= EDMA_CTLR_CHAN(0, TNETV107X_DMACH_SDIO0_RX
),
182 .flags
= IORESOURCE_DMA
185 .start
= EDMA_CTLR_CHAN(0, TNETV107X_DMACH_SDIO0_TX
),
186 .flags
= IORESOURCE_DMA
190 static struct resource mmc1_resources
[] = {
191 { /* Memory mapped registers */
192 .start
= TNETV107X_SDIO1_BASE
,
193 .end
= TNETV107X_SDIO1_BASE
+ 0x0ff,
194 .flags
= IORESOURCE_MEM
196 { /* MMC interrupt */
197 .start
= IRQ_TNETV107X_MMC1
,
198 .flags
= IORESOURCE_IRQ
200 { /* SDIO interrupt */
201 .start
= IRQ_TNETV107X_SDIO1
,
202 .flags
= IORESOURCE_IRQ
205 .start
= EDMA_CTLR_CHAN(0, TNETV107X_DMACH_SDIO1_RX
),
206 .flags
= IORESOURCE_DMA
209 .start
= EDMA_CTLR_CHAN(0, TNETV107X_DMACH_SDIO1_TX
),
210 .flags
= IORESOURCE_DMA
214 static u64 mmc0_dma_mask
= DMA_BIT_MASK(32);
215 static u64 mmc1_dma_mask
= DMA_BIT_MASK(32);
217 static struct platform_device mmc_devices
[2] = {
219 .name
= "davinci_mmc",
222 .dma_mask
= &mmc0_dma_mask
,
223 .coherent_dma_mask
= DMA_BIT_MASK(32),
225 .num_resources
= ARRAY_SIZE(mmc0_resources
),
226 .resource
= mmc0_resources
229 .name
= "davinci_mmc",
232 .dma_mask
= &mmc1_dma_mask
,
233 .coherent_dma_mask
= DMA_BIT_MASK(32),
235 .num_resources
= ARRAY_SIZE(mmc1_resources
),
236 .resource
= mmc1_resources
240 static const u32 emif_windows
[] = {
241 TNETV107X_ASYNC_EMIF_DATA_CE0_BASE
, TNETV107X_ASYNC_EMIF_DATA_CE1_BASE
,
242 TNETV107X_ASYNC_EMIF_DATA_CE2_BASE
, TNETV107X_ASYNC_EMIF_DATA_CE3_BASE
,
245 static const u32 emif_window_sizes
[] = { SZ_256M
, SZ_64M
, SZ_64M
, SZ_64M
};
247 static struct resource wdt_resources
[] = {
249 .start
= TNETV107X_WDOG_BASE
,
250 .end
= TNETV107X_WDOG_BASE
+ SZ_4K
- 1,
251 .flags
= IORESOURCE_MEM
,
255 struct platform_device tnetv107x_wdt_device
= {
256 .name
= "tnetv107x_wdt",
258 .num_resources
= ARRAY_SIZE(wdt_resources
),
259 .resource
= wdt_resources
,
262 static int __init
nand_init(int chipsel
, struct davinci_nand_pdata
*data
)
264 struct resource res
[2];
265 struct platform_device
*pdev
;
269 /* Figure out the resource range from the ale/cle masks */
270 range
= max(data
->mask_cle
, data
->mask_ale
);
271 range
= PAGE_ALIGN(range
+ 4) - 1;
273 if (range
>= emif_window_sizes
[chipsel
])
276 pdev
= kzalloc(sizeof(*pdev
), GFP_KERNEL
);
280 pdev
->name
= "davinci_nand";
282 pdev
->dev
.platform_data
= data
;
284 memset(res
, 0, sizeof(res
));
286 res
[0].start
= emif_windows
[chipsel
];
287 res
[0].end
= res
[0].start
+ range
;
288 res
[0].flags
= IORESOURCE_MEM
;
290 res
[1].start
= TNETV107X_ASYNC_EMIF_CNTRL_BASE
;
291 res
[1].end
= res
[1].start
+ SZ_4K
- 1;
292 res
[1].flags
= IORESOURCE_MEM
;
294 ret
= platform_device_add_resources(pdev
, res
, ARRAY_SIZE(res
));
300 return platform_device_register(pdev
);
303 static struct resource keypad_resources
[] = {
305 .start
= TNETV107X_KEYPAD_BASE
,
306 .end
= TNETV107X_KEYPAD_BASE
+ 0xff,
307 .flags
= IORESOURCE_MEM
,
310 .start
= IRQ_TNETV107X_KEYPAD
,
311 .flags
= IORESOURCE_IRQ
,
315 .start
= IRQ_TNETV107X_KEYPAD_FREE
,
316 .flags
= IORESOURCE_IRQ
,
321 static struct platform_device keypad_device
= {
322 .name
= "tnetv107x-keypad",
323 .num_resources
= ARRAY_SIZE(keypad_resources
),
324 .resource
= keypad_resources
,
327 static struct resource tsc_resources
[] = {
329 .start
= TNETV107X_TSC_BASE
,
330 .end
= TNETV107X_TSC_BASE
+ 0xff,
331 .flags
= IORESOURCE_MEM
,
334 .start
= IRQ_TNETV107X_TSC
,
335 .flags
= IORESOURCE_IRQ
,
339 static struct platform_device tsc_device
= {
340 .name
= "tnetv107x-ts",
341 .num_resources
= ARRAY_SIZE(tsc_resources
),
342 .resource
= tsc_resources
,
345 void __init
tnetv107x_devices_init(struct tnetv107x_device_info
*info
)
351 * The reset defaults for tnetv107x tsc clock divider is set too high.
352 * This forces the clock down to a range that allows the ADC to
353 * complete sample conversion in time.
355 tsc_clk
= clk_get(NULL
, "sys_tsc_clk");
357 error
= clk_set_rate(tsc_clk
, 5000000);
362 platform_device_register(&edma_device
);
363 platform_device_register(&tnetv107x_wdt_device
);
364 platform_device_register(&tsc_device
);
366 if (info
->serial_config
)
367 davinci_serial_init(info
->serial_config
);
369 for (i
= 0; i
< 2; i
++)
370 if (info
->mmc_config
[i
]) {
371 mmc_devices
[i
].dev
.platform_data
= info
->mmc_config
[i
];
372 platform_device_register(&mmc_devices
[i
]);
375 for (i
= 0; i
< 4; i
++)
376 if (info
->nand_config
[i
])
377 nand_init(i
, info
->nand_config
[i
]);
379 if (info
->keypad_config
) {
380 keypad_device
.dev
.platform_data
= info
->keypad_config
;
381 platform_device_register(&keypad_device
);