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2024-02-19 1c055e55a242a33e574e48be530e06770a210dcd 
 kernel/arch/mips/alchemy/devboards/db1000.c
....@@ -1,22 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * DBAu1000/1500/1100 PBAu1100/1500 board support
34  *
45  * Copyright 2000, 2008 MontaVista Software Inc.
56  * Author: MontaVista Software, Inc. <source@mvista.com>
6
- *
7
- * This program is free software; you can redistribute it and/or modify
8
- * it under the terms of the GNU General Public License as published by
9
- * the Free Software Foundation; either version 2 of the License, or
10
- * (at your option) any later version.
11
- *
12
- * This program is distributed in the hope that it will be useful,
13
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
16
- *
17
- * You should have received a copy of the GNU General Public License
18
- * along with this program; if not, write to the Free Software
19
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
207  */
218 
229 #include <linux/clk.h>
....@@ -27,7 +14,6 @@
2714 #include <linux/interrupt.h>
2815 #include <linux/leds.h>
2916 #include <linux/mmc/host.h>
30
-#include <linux/module.h>
3117 #include <linux/platform_device.h>
3218 #include <linux/pm.h>
3319 #include <linux/spi/spi.h>
....@@ -82,6 +68,8 @@
8268 	return -1;
8369 }
8470 
71
+static u64 au1xxx_all_dmamask = DMA_BIT_MASK(32);
72
+
8573 static struct resource alchemy_pci_host_res[] = {
8674 	[0] = {
8775 		.start	= AU1500_PCI_PHYS_ADDR,
....@@ -120,13 +108,11 @@
120108 	}
121109 };
122110 
123
-static u64 au1100_lcd_dmamask = DMA_BIT_MASK(32);
124
-
125111 static struct platform_device au1100_lcd_device = {
126112 	.name		= "au1100-lcd",
127113 	.id		= 0,
128114 	.dev = {
129
-		.dma_mask		= &au1100_lcd_dmamask,
115
+		.dma_mask		= &au1xxx_all_dmamask,
130116 		.coherent_dma_mask	= DMA_BIT_MASK(32),
131117 	},
132118 	.num_resources	= ARRAY_SIZE(au1100_lcd_resources),
....@@ -170,18 +156,18 @@
170156 
171157 static struct platform_device db1x00_audio_dev = {
172158 	.name		= "db1000-audio",
159
+	.dev = {
160
+		.dma_mask		= &au1xxx_all_dmamask,
161
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
162
+	},
173163 };
174164 
175165 /******************************************************************************/
176166 
167
+#ifdef CONFIG_MMC_AU1X
177168 static irqreturn_t db1100_mmc_cd(int irq, void *ptr)
178169 {
179
-	void (*mmc_cd)(struct mmc_host *, unsigned long);
180
-	/* link against CONFIG_MMC=m */
181
-	mmc_cd = symbol_get(mmc_detect_change);
182
-	mmc_cd(ptr, msecs_to_jiffies(500));
183
-	symbol_put(mmc_detect_change);
184
-
170
+	mmc_detect_change(ptr, msecs_to_jiffies(500));
185171 	return IRQ_HANDLED;
186172 }
187173 
....@@ -338,13 +324,11 @@
338324 	}
339325 };
340326 
341
-static u64 au1xxx_mmc_dmamask =	 DMA_BIT_MASK(32);
342
-
343327 static struct platform_device db1100_mmc0_dev = {
344328 	.name		= "au1xxx-mmc",
345329 	.id		= 0,
346330 	.dev = {
347
-		.dma_mask		= &au1xxx_mmc_dmamask,
331
+		.dma_mask		= &au1xxx_all_dmamask,
348332 		.coherent_dma_mask	= DMA_BIT_MASK(32),
349333 		.platform_data		= &db1100_mmc_platdata[0],
350334 	},
....@@ -379,65 +363,14 @@
379363 	.name		= "au1xxx-mmc",
380364 	.id		= 1,
381365 	.dev = {
382
-		.dma_mask		= &au1xxx_mmc_dmamask,
366
+		.dma_mask		= &au1xxx_all_dmamask,
383367 		.coherent_dma_mask	= DMA_BIT_MASK(32),
384368 		.platform_data		= &db1100_mmc_platdata[1],
385369 	},
386370 	.num_resources	= ARRAY_SIZE(au1100_mmc1_res),
387371 	.resource	= au1100_mmc1_res,
388372 };
389
-
390
-/******************************************************************************/
391
-
392
-static void db1000_irda_set_phy_mode(int mode)
393
-{
394
-	unsigned short mask = BCSR_RESETS_IRDA_MODE_MASK | BCSR_RESETS_FIR_SEL;
395
-
396
-	switch (mode) {
397
-	case AU1000_IRDA_PHY_MODE_OFF:
398
-		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_OFF);
399
-		break;
400
-	case AU1000_IRDA_PHY_MODE_SIR:
401
-		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL);
402
-		break;
403
-	case AU1000_IRDA_PHY_MODE_FIR:
404
-		bcsr_mod(BCSR_RESETS, mask, BCSR_RESETS_IRDA_MODE_FULL |
405
-					    BCSR_RESETS_FIR_SEL);
406
-		break;
407
-	}
408
-}
409
-
410
-static struct au1k_irda_platform_data db1000_irda_platdata = {
411
-	.set_phy_mode	= db1000_irda_set_phy_mode,
412
-};
413
-
414
-static struct resource au1000_irda_res[] = {
415
-	[0] = {
416
-		.start	= AU1000_IRDA_PHYS_ADDR,
417
-		.end	= AU1000_IRDA_PHYS_ADDR + 0x0fff,
418
-		.flags	= IORESOURCE_MEM,
419
-	},
420
-	[1] = {
421
-		.start	= AU1000_IRDA_TX_INT,
422
-		.end	= AU1000_IRDA_TX_INT,
423
-		.flags	= IORESOURCE_IRQ,
424
-	},
425
-	[2] = {
426
-		.start	= AU1000_IRDA_RX_INT,
427
-		.end	= AU1000_IRDA_RX_INT,
428
-		.flags	= IORESOURCE_IRQ,
429
-	},
430
-};
431
-
432
-static struct platform_device db1000_irda_dev = {
433
-	.name	= "au1000-irda",
434
-	.id	= -1,
435
-	.dev	= {
436
-		.platform_data = &db1000_irda_platdata,
437
-	},
438
-	.resource	= au1000_irda_res,
439
-	.num_resources	= ARRAY_SIZE(au1000_irda_res),
440
-};
373
+#endif /* CONFIG_MMC_AU1X */
441374 
442375 /******************************************************************************/
443376 
....@@ -468,6 +401,8 @@
468401 	.id		= 0,
469402 	.dev		= {
470403 		.platform_data	= &db1100_spictl_pd,
404
+		.dma_mask		= &au1xxx_all_dmamask,
405
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
471406 	},
472407 };
473408 
....@@ -497,15 +432,12 @@
497432 	&db1x00_audio_dev,
498433 };
499434 
500
-static struct platform_device *db1000_devs[] = {
501
-	&db1000_irda_dev,
502
-};
503
-
504435 static struct platform_device *db1100_devs[] = {
505436 	&au1100_lcd_device,
437
+#ifdef CONFIG_MMC_AU1X
506438 	&db1100_mmc0_dev,
507439 	&db1100_mmc1_dev,
508
-	&db1000_irda_dev,
440
+#endif
509441 };
510442 
511443 int __init db1000_dev_setup(void)
....@@ -565,7 +497,6 @@
565497 		d1 = 3; /* GPIO number, NOT irq! */
566498 		s0 = AU1000_GPIO1_INT;
567499 		s1 = AU1000_GPIO4_INT;
568
-		platform_add_devices(db1000_devs, ARRAY_SIZE(db1000_devs));
569500 	} else if ((board == BCSR_WHOAMI_PB1500) ||
570501 		   (board == BCSR_WHOAMI_PB1500R2)) {
571502 		c0 = AU1500_GPIO203_INT;