2 * linux/arch/mips/txx9/generic/setup.c
4 * Based on linux/arch/mips/txx9/rbtx4938/setup.c,
5 * and RBTX49xx patch from CELF patch archive.
7 * 2003-2005 (c) MontaVista Software, Inc.
8 * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007
10 * This file is subject to the terms and conditions of the GNU General Public
11 * License. See the file "COPYING" in the main directory of this archive
14 #include <linux/init.h>
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <linux/interrupt.h>
18 #include <linux/string.h>
19 #include <linux/module.h>
20 #include <linux/clk.h>
21 #include <linux/err.h>
22 #include <linux/gpio.h>
23 #include <linux/platform_device.h>
24 #include <linux/serial_core.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/leds.h>
27 #include <linux/sysdev.h>
28 #include <asm/bootinfo.h>
30 #include <asm/reboot.h>
31 #include <asm/r4kcache.h>
32 #include <asm/sections.h>
33 #include <asm/txx9/generic.h>
34 #include <asm/txx9/pci.h>
35 #include <asm/txx9tmr.h>
36 #include <asm/txx9/ndfmc.h>
37 #include <asm/txx9/dmac.h>
38 #ifdef CONFIG_CPU_TX49XX
39 #include <asm/txx9/tx4938.h>
42 /* EBUSC settings of TX4927, etc. */
43 struct resource txx9_ce_res[8];
44 static char txx9_ce_res_name[8][4]; /* "CEn" */
46 /* pcode, internal register */
47 unsigned int txx9_pcode;
48 char txx9_pcode_str[8];
49 static struct resource txx9_reg_res = {
50 .name = txx9_pcode_str,
51 .flags = IORESOURCE_MEM,
54 txx9_reg_res_init(unsigned int pcode, unsigned long base, unsigned long size)
58 for (i = 0; i < ARRAY_SIZE(txx9_ce_res); i++) {
59 sprintf(txx9_ce_res_name[i], "CE%d", i);
60 txx9_ce_res[i].flags = IORESOURCE_MEM;
61 txx9_ce_res[i].name = txx9_ce_res_name[i];
65 sprintf(txx9_pcode_str, "TX%x", pcode);
67 txx9_reg_res.start = base & 0xfffffffffULL;
68 txx9_reg_res.end = (base & 0xfffffffffULL) + (size - 1);
69 request_resource(&iomem_resource, &txx9_reg_res);
74 unsigned int txx9_master_clock;
75 unsigned int txx9_cpu_clock;
76 unsigned int txx9_gbus_clock;
78 #ifdef CONFIG_CPU_TX39XX
79 /* don't enable by default - see errata */
80 int txx9_ccfg_toeon __initdata;
82 int txx9_ccfg_toeon __initdata = 1;
85 /* Minimum CLK support */
87 struct clk *clk_get(struct device *dev, const char *id)
89 if (!strcmp(id, "spi-baseclk"))
90 return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 4);
91 if (!strcmp(id, "imbus_clk"))
92 return (struct clk *)((unsigned long)txx9_gbus_clock / 2);
93 return ERR_PTR(-ENOENT);
95 EXPORT_SYMBOL(clk_get);
97 int clk_enable(struct clk *clk)
101 EXPORT_SYMBOL(clk_enable);
103 void clk_disable(struct clk *clk)
106 EXPORT_SYMBOL(clk_disable);
108 unsigned long clk_get_rate(struct clk *clk)
110 return (unsigned long)clk;
112 EXPORT_SYMBOL(clk_get_rate);
114 void clk_put(struct clk *clk)
117 EXPORT_SYMBOL(clk_put);
121 #ifdef CONFIG_GENERIC_GPIO
122 int gpio_to_irq(unsigned gpio)
126 EXPORT_SYMBOL(gpio_to_irq);
128 int irq_to_gpio(unsigned irq)
132 EXPORT_SYMBOL(irq_to_gpio);
135 #define BOARD_VEC(board) extern struct txx9_board_vec board;
136 #include <asm/txx9/boards.h>
139 struct txx9_board_vec *txx9_board_vec __initdata;
140 static char txx9_system_type[32];
142 static struct txx9_board_vec *board_vecs[] __initdata = {
143 #define BOARD_VEC(board) &board,
144 #include <asm/txx9/boards.h>
148 static struct txx9_board_vec *__init find_board_byname(const char *name)
152 /* search board_vecs table */
153 for (i = 0; i < ARRAY_SIZE(board_vecs); i++) {
154 if (strstr(board_vecs[i]->system, name))
155 return board_vecs[i];
160 static void __init prom_init_cmdline(void)
164 int i; /* Always ignore the "-c" at argv[0] */
165 char builtin[CL_SIZE];
167 if (fw_arg0 >= CKSEG0 || fw_arg1 < CKSEG0) {
169 * argc is not a valid number, or argv32 is not a valid
176 argv32 = (int *)fw_arg1;
179 /* ignore all built-in args if any f/w args given */
181 * But if built-in strings was started with '+', append them
182 * to command line args. If built-in was started with '-',
183 * ignore all f/w args.
186 if (arcs_cmdline[0] == '+')
187 strcpy(builtin, arcs_cmdline + 1);
188 else if (arcs_cmdline[0] == '-') {
189 strcpy(builtin, arcs_cmdline + 1);
191 } else if (argc <= 1)
192 strcpy(builtin, arcs_cmdline);
193 arcs_cmdline[0] = '\0';
195 for (i = 1; i < argc; i++) {
196 char *str = (char *)(long)argv32[i];
198 strcat(arcs_cmdline, " ");
199 if (strchr(str, ' ')) {
200 strcat(arcs_cmdline, "\"");
201 strcat(arcs_cmdline, str);
202 strcat(arcs_cmdline, "\"");
204 strcat(arcs_cmdline, str);
206 /* append saved builtin args */
209 strcat(arcs_cmdline, " ");
210 strcat(arcs_cmdline, builtin);
214 static int txx9_ic_disable __initdata;
215 static int txx9_dc_disable __initdata;
217 #if defined(CONFIG_CPU_TX49XX)
218 /* flush all cache on very early stage (before 4k_cache_init) */
219 static void __init early_flush_dcache(void)
221 unsigned int conf = read_c0_config();
222 unsigned int dc_size = 1 << (12 + ((conf & CONF_DC) >> 6));
223 unsigned int linesz = 32;
224 unsigned long addr, end;
226 end = INDEX_BASE + dc_size / 4;
228 for (addr = INDEX_BASE; addr < end; addr += linesz) {
229 cache_op(Index_Writeback_Inv_D, addr | 0);
230 cache_op(Index_Writeback_Inv_D, addr | 1);
231 cache_op(Index_Writeback_Inv_D, addr | 2);
232 cache_op(Index_Writeback_Inv_D, addr | 3);
236 static void __init txx9_cache_fixup(void)
240 conf = read_c0_config();
241 /* flush and disable */
242 if (txx9_ic_disable) {
243 conf |= TX49_CONF_IC;
244 write_c0_config(conf);
246 if (txx9_dc_disable) {
247 early_flush_dcache();
248 conf |= TX49_CONF_DC;
249 write_c0_config(conf);
253 conf = read_c0_config();
254 if (!txx9_ic_disable)
255 conf &= ~TX49_CONF_IC;
256 if (!txx9_dc_disable)
257 conf &= ~TX49_CONF_DC;
258 write_c0_config(conf);
260 if (conf & TX49_CONF_IC)
261 pr_info("TX49XX I-Cache disabled.\n");
262 if (conf & TX49_CONF_DC)
263 pr_info("TX49XX D-Cache disabled.\n");
265 #elif defined(CONFIG_CPU_TX39XX)
266 /* flush all cache on very early stage (before tx39_cache_init) */
267 static void __init early_flush_dcache(void)
269 unsigned int conf = read_c0_config();
270 unsigned int dc_size = 1 << (10 + ((conf & TX39_CONF_DCS_MASK) >>
271 TX39_CONF_DCS_SHIFT));
272 unsigned int linesz = 16;
273 unsigned long addr, end;
275 end = INDEX_BASE + dc_size / 2;
277 for (addr = INDEX_BASE; addr < end; addr += linesz) {
278 cache_op(Index_Writeback_Inv_D, addr | 0);
279 cache_op(Index_Writeback_Inv_D, addr | 1);
283 static void __init txx9_cache_fixup(void)
287 conf = read_c0_config();
288 /* flush and disable */
289 if (txx9_ic_disable) {
290 conf &= ~TX39_CONF_ICE;
291 write_c0_config(conf);
293 if (txx9_dc_disable) {
294 early_flush_dcache();
295 conf &= ~TX39_CONF_DCE;
296 write_c0_config(conf);
300 conf = read_c0_config();
301 if (!txx9_ic_disable)
302 conf |= TX39_CONF_ICE;
303 if (!txx9_dc_disable)
304 conf |= TX39_CONF_DCE;
305 write_c0_config(conf);
307 if (!(conf & TX39_CONF_ICE))
308 pr_info("TX39XX I-Cache disabled.\n");
309 if (!(conf & TX39_CONF_DCE))
310 pr_info("TX39XX D-Cache disabled.\n");
313 static inline void txx9_cache_fixup(void)
318 static void __init preprocess_cmdline(void)
320 char cmdline[CL_SIZE];
323 strcpy(cmdline, arcs_cmdline);
325 arcs_cmdline[0] = '\0';
327 char *str = strsep(&s, " ");
328 if (strncmp(str, "board=", 6) == 0) {
329 txx9_board_vec = find_board_byname(str + 6);
331 } else if (strncmp(str, "masterclk=", 10) == 0) {
333 if (strict_strtoul(str + 10, 10, &val) == 0)
334 txx9_master_clock = val;
336 } else if (strcmp(str, "icdisable") == 0) {
339 } else if (strcmp(str, "dcdisable") == 0) {
342 } else if (strcmp(str, "toeoff") == 0) {
345 } else if (strcmp(str, "toeon") == 0) {
350 strcat(arcs_cmdline, " ");
351 strcat(arcs_cmdline, str);
357 static void __init select_board(void)
361 /* first, determine by "board=" argument in preprocess_cmdline() */
364 /* next, determine by "board" envvar */
365 envstr = prom_getenv("board");
367 txx9_board_vec = find_board_byname(envstr);
372 /* select "default" board */
373 #ifdef CONFIG_CPU_TX39XX
374 txx9_board_vec = &jmr3927_vec;
376 #ifdef CONFIG_CPU_TX49XX
377 switch (TX4938_REV_PCODE()) {
378 #ifdef CONFIG_TOSHIBA_RBTX4927
380 txx9_board_vec = &rbtx4927_vec;
383 txx9_board_vec = &rbtx4937_vec;
386 #ifdef CONFIG_TOSHIBA_RBTX4938
388 txx9_board_vec = &rbtx4938_vec;
391 #ifdef CONFIG_TOSHIBA_RBTX4939
393 txx9_board_vec = &rbtx4939_vec;
400 void __init prom_init(void)
403 preprocess_cmdline();
406 strcpy(txx9_system_type, txx9_board_vec->system);
408 txx9_board_vec->prom_init();
411 void __init prom_free_prom_memory(void)
413 unsigned long saddr = PAGE_SIZE;
414 unsigned long eaddr = __pa_symbol(&_text);
417 free_init_pages("prom memory", saddr, eaddr);
420 const char *get_system_type(void)
422 return txx9_system_type;
425 char * __init prom_getcmdline(void)
427 return &(arcs_cmdline[0]);
430 const char *__init prom_getenv(const char *name)
434 if (fw_arg2 < CKSEG0)
437 str = (const s32 *)fw_arg2;
438 /* YAMON style ("name", "value" pairs) */
439 while (str[0] && str[1]) {
440 if (!strcmp((const char *)(unsigned long)str[0], name))
441 return (const char *)(unsigned long)str[1];
447 static void __noreturn txx9_machine_halt(void)
450 clear_c0_status(ST0_IM);
454 if (cpu_has_counter) {
456 * Clear counter interrupt while it
457 * breaks WAIT instruction even if
466 /* Watchdog support */
467 void __init txx9_wdt_init(unsigned long base)
469 struct resource res = {
471 .end = base + 0x100 - 1,
472 .flags = IORESOURCE_MEM,
474 platform_device_register_simple("txx9wdt", -1, &res, 1);
477 void txx9_wdt_now(unsigned long base)
479 struct txx9_tmr_reg __iomem *tmrptr =
480 ioremap(base, sizeof(struct txx9_tmr_reg));
481 /* disable watch dog timer */
482 __raw_writel(TXx9_TMWTMR_WDIS | TXx9_TMWTMR_TWC, &tmrptr->wtmr);
483 __raw_writel(0, &tmrptr->tcr);
485 __raw_writel(TXx9_TMWTMR_TWIE, &tmrptr->wtmr);
486 __raw_writel(1, &tmrptr->cpra); /* immediate */
487 __raw_writel(TXx9_TMTCR_TCE | TXx9_TMTCR_CCDE | TXx9_TMTCR_TMODE_WDOG,
492 void __init txx9_spi_init(int busid, unsigned long base, int irq)
494 struct resource res[] = {
497 .end = base + 0x20 - 1,
498 .flags = IORESOURCE_MEM,
501 .flags = IORESOURCE_IRQ,
504 platform_device_register_simple("spi_txx9", busid,
505 res, ARRAY_SIZE(res));
508 void __init txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr)
510 struct platform_device *pdev =
511 platform_device_alloc("tc35815-mac", id);
513 platform_device_add_data(pdev, ethaddr, 6) ||
514 platform_device_add(pdev))
515 platform_device_put(pdev);
518 void __init txx9_sio_init(unsigned long baseaddr, int irq,
519 unsigned int line, unsigned int sclk, int nocts)
521 #ifdef CONFIG_SERIAL_TXX9
522 struct uart_port req;
524 memset(&req, 0, sizeof(req));
526 req.iotype = UPIO_MEM;
527 req.membase = ioremap(baseaddr, 0x24);
528 req.mapbase = baseaddr;
531 req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
533 req.flags |= UPF_MAGIC_MULTIPLIER /*USE_SCLK*/;
536 req.uartclk = TXX9_IMCLK;
537 early_serial_txx9_setup(&req);
538 #endif /* CONFIG_SERIAL_TXX9 */
541 #ifdef CONFIG_EARLY_PRINTK
542 static void __init null_prom_putchar(char c)
545 void (*txx9_prom_putchar)(char c) __initdata = null_prom_putchar;
547 void __init prom_putchar(char c)
549 txx9_prom_putchar(c);
552 static void __iomem *early_txx9_sio_port;
554 static void __init early_txx9_sio_putchar(char c)
556 #define TXX9_SICISR 0x0c
557 #define TXX9_SITFIFO 0x1c
558 #define TXX9_SICISR_TXALS 0x00000002
559 while (!(__raw_readl(early_txx9_sio_port + TXX9_SICISR) &
562 __raw_writel(c, early_txx9_sio_port + TXX9_SITFIFO);
565 void __init txx9_sio_putchar_init(unsigned long baseaddr)
567 early_txx9_sio_port = ioremap(baseaddr, 0x24);
568 txx9_prom_putchar = early_txx9_sio_putchar;
570 #endif /* CONFIG_EARLY_PRINTK */
573 void __init plat_mem_setup(void)
575 ioport_resource.start = 0;
576 ioport_resource.end = ~0UL; /* no limit */
577 iomem_resource.start = 0;
578 iomem_resource.end = ~0UL; /* no limit */
580 /* fallback restart/halt routines */
581 _machine_restart = (void (*)(char *))txx9_machine_halt;
582 _machine_halt = txx9_machine_halt;
583 pm_power_off = txx9_machine_halt;
586 pcibios_plat_setup = txx9_pcibios_setup;
588 txx9_board_vec->mem_setup();
591 void __init arch_init_irq(void)
593 txx9_board_vec->irq_setup();
596 void __init plat_time_init(void)
598 #ifdef CONFIG_CPU_TX49XX
599 mips_hpt_frequency = txx9_cpu_clock / 2;
601 txx9_board_vec->time_init();
604 static int __init _txx9_arch_init(void)
606 if (txx9_board_vec->arch_init)
607 txx9_board_vec->arch_init();
610 arch_initcall(_txx9_arch_init);
612 static int __init _txx9_device_init(void)
614 if (txx9_board_vec->device_init)
615 txx9_board_vec->device_init();
618 device_initcall(_txx9_device_init);
620 int (*txx9_irq_dispatch)(int pending);
621 asmlinkage void plat_irq_dispatch(void)
623 int pending = read_c0_status() & read_c0_cause() & ST0_IM;
624 int irq = txx9_irq_dispatch(pending);
626 if (likely(irq >= 0))
629 spurious_interrupt();
632 /* see include/asm-mips/mach-tx39xx/mangle-port.h, for example. */
633 #ifdef NEEDS_TXX9_SWIZZLE_ADDR_B
634 static unsigned long __swizzle_addr_none(unsigned long port)
638 unsigned long (*__swizzle_addr_b)(unsigned long port) = __swizzle_addr_none;
639 EXPORT_SYMBOL(__swizzle_addr_b);
642 #ifdef NEEDS_TXX9_IOSWABW
643 static u16 ioswabw_default(volatile u16 *a, u16 x)
645 return le16_to_cpu(x);
647 static u16 __mem_ioswabw_default(volatile u16 *a, u16 x)
651 u16 (*ioswabw)(volatile u16 *a, u16 x) = ioswabw_default;
652 EXPORT_SYMBOL(ioswabw);
653 u16 (*__mem_ioswabw)(volatile u16 *a, u16 x) = __mem_ioswabw_default;
654 EXPORT_SYMBOL(__mem_ioswabw);
657 void __init txx9_physmap_flash_init(int no, unsigned long addr,
659 const struct physmap_flash_data *pdata)
661 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
662 struct resource res = {
664 .end = addr + size - 1,
665 .flags = IORESOURCE_MEM,
667 struct platform_device *pdev;
668 #ifdef CONFIG_MTD_PARTITIONS
669 static struct mtd_partition parts[2];
670 struct physmap_flash_data pdata_part;
672 /* If this area contained boot area, make separate partition */
673 if (pdata->nr_parts == 0 && !pdata->parts &&
674 addr < 0x1fc00000 && addr + size > 0x1fc00000 &&
676 parts[0].name = "boot";
677 parts[0].offset = 0x1fc00000 - addr;
678 parts[0].size = addr + size - 0x1fc00000;
679 parts[1].name = "user";
681 parts[1].size = 0x1fc00000 - addr;
683 pdata_part.nr_parts = ARRAY_SIZE(parts);
684 pdata_part.parts = parts;
688 pdev = platform_device_alloc("physmap-flash", no);
690 platform_device_add_resources(pdev, &res, 1) ||
691 platform_device_add_data(pdev, pdata, sizeof(*pdata)) ||
692 platform_device_add(pdev))
693 platform_device_put(pdev);
697 void __init txx9_ndfmc_init(unsigned long baseaddr,
698 const struct txx9ndfmc_platform_data *pdata)
700 #if defined(CONFIG_MTD_NAND_TXX9NDFMC) || \
701 defined(CONFIG_MTD_NAND_TXX9NDFMC_MODULE)
702 struct resource res = {
704 .end = baseaddr + 0x1000 - 1,
705 .flags = IORESOURCE_MEM,
707 struct platform_device *pdev = platform_device_alloc("txx9ndfmc", -1);
710 platform_device_add_resources(pdev, &res, 1) ||
711 platform_device_add_data(pdev, pdata, sizeof(*pdata)) ||
712 platform_device_add(pdev))
713 platform_device_put(pdev);
717 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
718 static DEFINE_SPINLOCK(txx9_iocled_lock);
720 #define TXX9_IOCLED_MAXLEDS 8
722 struct txx9_iocled_data {
723 struct gpio_chip chip;
725 void __iomem *mmioaddr;
726 struct gpio_led_platform_data pdata;
727 struct gpio_led leds[TXX9_IOCLED_MAXLEDS];
728 char names[TXX9_IOCLED_MAXLEDS][32];
731 static int txx9_iocled_get(struct gpio_chip *chip, unsigned int offset)
733 struct txx9_iocled_data *data =
734 container_of(chip, struct txx9_iocled_data, chip);
735 return data->cur_val & (1 << offset);
738 static void txx9_iocled_set(struct gpio_chip *chip, unsigned int offset,
741 struct txx9_iocled_data *data =
742 container_of(chip, struct txx9_iocled_data, chip);
744 spin_lock_irqsave(&txx9_iocled_lock, flags);
746 data->cur_val |= 1 << offset;
748 data->cur_val &= ~(1 << offset);
749 writeb(data->cur_val, data->mmioaddr);
751 spin_unlock_irqrestore(&txx9_iocled_lock, flags);
754 static int txx9_iocled_dir_in(struct gpio_chip *chip, unsigned int offset)
759 static int txx9_iocled_dir_out(struct gpio_chip *chip, unsigned int offset,
762 txx9_iocled_set(chip, offset, value);
766 void __init txx9_iocled_init(unsigned long baseaddr,
767 int basenum, unsigned int num, int lowactive,
768 const char *color, char **deftriggers)
770 struct txx9_iocled_data *iocled;
771 struct platform_device *pdev;
773 static char *default_triggers[] __initdata = {
781 deftriggers = default_triggers;
782 iocled = kzalloc(sizeof(*iocled), GFP_KERNEL);
785 iocled->mmioaddr = ioremap(baseaddr, 1);
786 if (!iocled->mmioaddr)
788 iocled->chip.get = txx9_iocled_get;
789 iocled->chip.set = txx9_iocled_set;
790 iocled->chip.direction_input = txx9_iocled_dir_in;
791 iocled->chip.direction_output = txx9_iocled_dir_out;
792 iocled->chip.label = "iocled";
793 iocled->chip.base = basenum;
794 iocled->chip.ngpio = num;
795 if (gpiochip_add(&iocled->chip))
798 basenum = iocled->chip.base;
800 pdev = platform_device_alloc("leds-gpio", basenum);
803 iocled->pdata.num_leds = num;
804 iocled->pdata.leds = iocled->leds;
805 for (i = 0; i < num; i++) {
806 struct gpio_led *led = &iocled->leds[i];
807 snprintf(iocled->names[i], sizeof(iocled->names[i]),
808 "iocled:%s:%u", color, i);
809 led->name = iocled->names[i];
810 led->gpio = basenum + i;
811 led->active_low = lowactive;
812 if (deftriggers && *deftriggers)
813 led->default_trigger = *deftriggers++;
815 pdev->dev.platform_data = &iocled->pdata;
816 if (platform_device_add(pdev))
817 platform_device_put(pdev);
819 #else /* CONFIG_LEDS_GPIO */
820 void __init txx9_iocled_init(unsigned long baseaddr,
821 int basenum, unsigned int num, int lowactive,
822 const char *color, char **deftriggers)
825 #endif /* CONFIG_LEDS_GPIO */
827 void __init txx9_dmac_init(int id, unsigned long baseaddr, int irq,
828 const struct txx9dmac_platform_data *pdata)
830 #if defined(CONFIG_TXX9_DMAC) || defined(CONFIG_TXX9_DMAC_MODULE)
831 struct resource res[] = {
834 .end = baseaddr + 0x800 - 1,
835 .flags = IORESOURCE_MEM,
836 #ifndef CONFIG_MACH_TX49XX
839 .flags = IORESOURCE_IRQ,
843 #ifdef CONFIG_MACH_TX49XX
844 struct resource chan_res[] = {
846 .flags = IORESOURCE_IRQ,
850 struct platform_device *pdev = platform_device_alloc("txx9dmac", id);
851 struct txx9dmac_chan_platform_data cpdata;
855 platform_device_add_resources(pdev, res, ARRAY_SIZE(res)) ||
856 platform_device_add_data(pdev, pdata, sizeof(*pdata)) ||
857 platform_device_add(pdev)) {
858 platform_device_put(pdev);
861 memset(&cpdata, 0, sizeof(cpdata));
862 cpdata.dmac_dev = pdev;
863 for (i = 0; i < TXX9_DMA_MAX_NR_CHANNELS; i++) {
864 #ifdef CONFIG_MACH_TX49XX
865 chan_res[0].start = irq + i;
867 pdev = platform_device_alloc("txx9dmac-chan",
868 id * TXX9_DMA_MAX_NR_CHANNELS + i);
870 #ifdef CONFIG_MACH_TX49XX
871 platform_device_add_resources(pdev, chan_res,
872 ARRAY_SIZE(chan_res)) ||
874 platform_device_add_data(pdev, &cpdata, sizeof(cpdata)) ||
875 platform_device_add(pdev))
876 platform_device_put(pdev);
881 void __init txx9_aclc_init(unsigned long baseaddr, int irq,
882 unsigned int dmac_id,
883 unsigned int dma_chan_out,
884 unsigned int dma_chan_in)
886 #if defined(CONFIG_SND_SOC_TXX9ACLC) || \
887 defined(CONFIG_SND_SOC_TXX9ACLC_MODULE)
888 unsigned int dma_base = dmac_id * TXX9_DMA_MAX_NR_CHANNELS;
889 struct resource res[] = {
892 .end = baseaddr + 0x100 - 1,
893 .flags = IORESOURCE_MEM,
896 .flags = IORESOURCE_IRQ,
898 .name = "txx9dmac-chan",
899 .start = dma_base + dma_chan_out,
900 .flags = IORESOURCE_DMA,
902 .name = "txx9dmac-chan",
903 .start = dma_base + dma_chan_in,
904 .flags = IORESOURCE_DMA,
907 struct platform_device *pdev =
908 platform_device_alloc("txx9aclc-ac97", -1);
911 platform_device_add_resources(pdev, res, ARRAY_SIZE(res)) ||
912 platform_device_add(pdev))
913 platform_device_put(pdev);
917 static struct sysdev_class txx9_sramc_sysdev_class;
919 struct txx9_sramc_sysdev {
920 struct sys_device dev;
921 struct bin_attribute bindata_attr;
925 static ssize_t txx9_sram_read(struct kobject *kobj,
926 struct bin_attribute *bin_attr,
927 char *buf, loff_t pos, size_t size)
929 struct txx9_sramc_sysdev *dev = bin_attr->private;
930 size_t ramsize = bin_attr->size;
934 if (pos + size > ramsize)
935 size = ramsize - pos;
936 memcpy_fromio(buf, dev->base + pos, size);
940 static ssize_t txx9_sram_write(struct kobject *kobj,
941 struct bin_attribute *bin_attr,
942 char *buf, loff_t pos, size_t size)
944 struct txx9_sramc_sysdev *dev = bin_attr->private;
945 size_t ramsize = bin_attr->size;
949 if (pos + size > ramsize)
950 size = ramsize - pos;
951 memcpy_toio(dev->base + pos, buf, size);
955 void __init txx9_sramc_init(struct resource *r)
957 struct txx9_sramc_sysdev *dev;
961 if (!txx9_sramc_sysdev_class.name) {
962 txx9_sramc_sysdev_class.name = "txx9_sram";
963 err = sysdev_class_register(&txx9_sramc_sysdev_class);
965 txx9_sramc_sysdev_class.name = NULL;
969 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
972 size = resource_size(r);
973 dev->base = ioremap(r->start, size);
976 dev->dev.cls = &txx9_sramc_sysdev_class;
977 dev->bindata_attr.attr.name = "bindata";
978 dev->bindata_attr.attr.mode = S_IRUSR | S_IWUSR;
979 dev->bindata_attr.read = txx9_sram_read;
980 dev->bindata_attr.write = txx9_sram_write;
981 dev->bindata_attr.size = size;
982 dev->bindata_attr.private = dev;
983 err = sysdev_register(&dev->dev);
986 err = sysfs_create_bin_file(&dev->dev.kobj, &dev->bindata_attr);
988 sysdev_unregister(&dev->dev);