diff options
-rw-r--r-- | arch/blackfin/kernel/bfin_gpio.c | 272 | ||||
-rw-r--r-- | include/asm-blackfin/mach-bf533/bfin_serial_5xx.h | 11 | ||||
-rw-r--r-- | include/asm-blackfin/mach-bf537/bfin_serial_5xx.h | 23 | ||||
-rw-r--r-- | include/asm-blackfin/mach-bf537/portmux.h | 2 | ||||
-rw-r--r-- | include/asm-blackfin/mach-bf561/bfin_serial_5xx.h | 11 | ||||
-rw-r--r-- | include/asm-blackfin/portmux.h | 55 |
6 files changed, 329 insertions, 45 deletions
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index bafcfa52142b..9f3094800248 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c | |||
@@ -84,6 +84,7 @@ | |||
84 | #include <linux/err.h> | 84 | #include <linux/err.h> |
85 | #include <asm/blackfin.h> | 85 | #include <asm/blackfin.h> |
86 | #include <asm/gpio.h> | 86 | #include <asm/gpio.h> |
87 | #include <asm/portmux.h> | ||
87 | #include <linux/irq.h> | 88 | #include <linux/irq.h> |
88 | 89 | ||
89 | #ifdef BF533_FAMILY | 90 | #ifdef BF533_FAMILY |
@@ -115,7 +116,11 @@ static struct gpio_port_t *gpio_bankb[gpio_bank(MAX_BLACKFIN_GPIOS)] = { | |||
115 | }; | 116 | }; |
116 | #endif | 117 | #endif |
117 | 118 | ||
118 | static unsigned short reserved_map[gpio_bank(MAX_BLACKFIN_GPIOS)]; | 119 | static unsigned short reserved_gpio_map[gpio_bank(MAX_BLACKFIN_GPIOS)]; |
120 | static unsigned short reserved_peri_map[gpio_bank(MAX_BLACKFIN_GPIOS + 16)]; | ||
121 | char *str_ident = NULL; | ||
122 | |||
123 | #define RESOURCE_LABEL_SIZE 16 | ||
119 | 124 | ||
120 | #ifdef CONFIG_PM | 125 | #ifdef CONFIG_PM |
121 | static unsigned short wakeup_map[gpio_bank(MAX_BLACKFIN_GPIOS)]; | 126 | static unsigned short wakeup_map[gpio_bank(MAX_BLACKFIN_GPIOS)]; |
@@ -143,13 +148,39 @@ inline int check_gpio(unsigned short gpio) | |||
143 | return 0; | 148 | return 0; |
144 | } | 149 | } |
145 | 150 | ||
151 | static void set_label(unsigned short ident, const char *label) | ||
152 | { | ||
153 | |||
154 | if (label && str_ident) { | ||
155 | strncpy(str_ident + ident * RESOURCE_LABEL_SIZE, label, | ||
156 | RESOURCE_LABEL_SIZE); | ||
157 | str_ident[ident * RESOURCE_LABEL_SIZE + | ||
158 | RESOURCE_LABEL_SIZE - 1] = 0; | ||
159 | } | ||
160 | } | ||
161 | |||
162 | static char *get_label(unsigned short ident) | ||
163 | { | ||
164 | if (!str_ident) | ||
165 | return "UNKNOWN"; | ||
166 | |||
167 | return (str_ident[ident * RESOURCE_LABEL_SIZE] ? | ||
168 | (str_ident + ident * RESOURCE_LABEL_SIZE) : "UNKNOWN"); | ||
169 | } | ||
170 | |||
171 | static int cmp_label(unsigned short ident, const char *label) | ||
172 | { | ||
173 | if (label && str_ident) | ||
174 | return strncmp(str_ident + ident * RESOURCE_LABEL_SIZE, | ||
175 | label, strlen(label)); | ||
176 | else | ||
177 | return -EINVAL; | ||
178 | } | ||
179 | |||
146 | #ifdef BF537_FAMILY | 180 | #ifdef BF537_FAMILY |
147 | static void port_setup(unsigned short gpio, unsigned short usage) | 181 | static void port_setup(unsigned short gpio, unsigned short usage) |
148 | { | 182 | { |
149 | if (usage == GPIO_USAGE) { | 183 | if (usage == GPIO_USAGE) { |
150 | if (*port_fer[gpio_bank(gpio)] & gpio_bit(gpio)) | ||
151 | printk(KERN_WARNING "bfin-gpio: Possible Conflict with Peripheral " | ||
152 | "usage and GPIO %d detected!\n", gpio); | ||
153 | *port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio); | 184 | *port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio); |
154 | } else | 185 | } else |
155 | *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio); | 186 | *port_fer[gpio_bank(gpio)] |= gpio_bit(gpio); |
@@ -159,6 +190,56 @@ static void port_setup(unsigned short gpio, unsigned short usage) | |||
159 | # define port_setup(...) do { } while (0) | 190 | # define port_setup(...) do { } while (0) |
160 | #endif | 191 | #endif |
161 | 192 | ||
193 | #ifdef BF537_FAMILY | ||
194 | |||
195 | #define PMUX_LUT_RES 0 | ||
196 | #define PMUX_LUT_OFFSET 1 | ||
197 | #define PMUX_LUT_ENTRIES 41 | ||
198 | #define PMUX_LUT_SIZE 2 | ||
199 | |||
200 | static unsigned short port_mux_lut[PMUX_LUT_ENTRIES][PMUX_LUT_SIZE] = { | ||
201 | {P_PPI0_D13, 11}, {P_PPI0_D14, 11}, {P_PPI0_D15, 11}, | ||
202 | {P_SPORT1_TFS, 11}, {P_SPORT1_TSCLK, 11}, {P_SPORT1_DTPRI, 11}, | ||
203 | {P_PPI0_D10, 10}, {P_PPI0_D11, 10}, {P_PPI0_D12, 10}, | ||
204 | {P_SPORT1_RSCLK, 10}, {P_SPORT1_RFS, 10}, {P_SPORT1_DRPRI, 10}, | ||
205 | {P_PPI0_D8, 9}, {P_PPI0_D9, 9}, {P_SPORT1_DRSEC, 9}, | ||
206 | {P_SPORT1_DTSEC, 9}, {P_TMR2, 8}, {P_PPI0_FS3, 8}, {P_TMR3, 7}, | ||
207 | {P_SPI0_SSEL4, 7}, {P_TMR4, 6}, {P_SPI0_SSEL5, 6}, {P_TMR5, 5}, | ||
208 | {P_SPI0_SSEL6, 5}, {P_UART1_RX, 4}, {P_UART1_TX, 4}, {P_TMR6, 4}, | ||
209 | {P_TMR7, 4}, {P_UART0_RX, 3}, {P_UART0_TX, 3}, {P_DMAR0, 3}, | ||
210 | {P_DMAR1, 3}, {P_SPORT0_DTSEC, 1}, {P_SPORT0_DRSEC, 1}, | ||
211 | {P_CAN0_RX, 1}, {P_CAN0_TX, 1}, {P_SPI0_SSEL7, 1}, | ||
212 | {P_SPORT0_TFS, 0}, {P_SPORT0_DTPRI, 0}, {P_SPI0_SSEL2, 0}, | ||
213 | {P_SPI0_SSEL3, 0} | ||
214 | }; | ||
215 | |||
216 | static void portmux_setup(unsigned short per, unsigned short function) | ||
217 | { | ||
218 | u16 y, muxreg, offset; | ||
219 | |||
220 | for (y = 0; y < PMUX_LUT_ENTRIES; y++) { | ||
221 | if (port_mux_lut[y][PMUX_LUT_RES] == per) { | ||
222 | |||
223 | /* SET PORTMUX REG */ | ||
224 | |||
225 | offset = port_mux_lut[y][PMUX_LUT_OFFSET]; | ||
226 | muxreg = bfin_read_PORT_MUX(); | ||
227 | |||
228 | if (offset != 1) { | ||
229 | muxreg &= ~(1 << offset); | ||
230 | } else { | ||
231 | muxreg &= ~(3 << 1); | ||
232 | } | ||
233 | |||
234 | muxreg |= (function << offset); | ||
235 | bfin_write_PORT_MUX(muxreg); | ||
236 | } | ||
237 | } | ||
238 | } | ||
239 | |||
240 | #else | ||
241 | # define portmux_setup(...) do { } while (0) | ||
242 | #endif | ||
162 | 243 | ||
163 | static void default_gpio(unsigned short gpio) | 244 | static void default_gpio(unsigned short gpio) |
164 | { | 245 | { |
@@ -179,22 +260,15 @@ static void default_gpio(unsigned short gpio) | |||
179 | 260 | ||
180 | static int __init bfin_gpio_init(void) | 261 | static int __init bfin_gpio_init(void) |
181 | { | 262 | { |
182 | int i; | ||
183 | |||
184 | printk(KERN_INFO "Blackfin GPIO Controller\n"); | ||
185 | 263 | ||
186 | for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) | 264 | str_ident = kzalloc(RESOURCE_LABEL_SIZE * 256, GFP_KERNEL); |
187 | reserved_map[gpio_bank(i)] = 0; | 265 | if (!str_ident) |
266 | return -ENOMEM; | ||
188 | 267 | ||
189 | #if defined(BF537_FAMILY) && (defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)) | 268 | printk(KERN_INFO "Blackfin GPIO Controller\n"); |
190 | # if defined(CONFIG_BFIN_MAC_RMII) | ||
191 | reserved_map[gpio_bank(PORT_H)] = 0xC373; | ||
192 | # else | ||
193 | reserved_map[gpio_bank(PORT_H)] = 0xFFFF; | ||
194 | # endif | ||
195 | #endif | ||
196 | 269 | ||
197 | return 0; | 270 | return 0; |
271 | |||
198 | } | 272 | } |
199 | 273 | ||
200 | arch_initcall(bfin_gpio_init); | 274 | arch_initcall(bfin_gpio_init); |
@@ -223,7 +297,7 @@ arch_initcall(bfin_gpio_init); | |||
223 | void set_gpio_ ## name(unsigned short gpio, unsigned short arg) \ | 297 | void set_gpio_ ## name(unsigned short gpio, unsigned short arg) \ |
224 | { \ | 298 | { \ |
225 | unsigned long flags; \ | 299 | unsigned long flags; \ |
226 | BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); \ | 300 | BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); \ |
227 | local_irq_save(flags); \ | 301 | local_irq_save(flags); \ |
228 | if (arg) \ | 302 | if (arg) \ |
229 | gpio_bankb[gpio_bank(gpio)]->name |= gpio_bit(gpio); \ | 303 | gpio_bankb[gpio_bank(gpio)]->name |= gpio_bit(gpio); \ |
@@ -243,7 +317,7 @@ SET_GPIO(both) | |||
243 | #define SET_GPIO_SC(name) \ | 317 | #define SET_GPIO_SC(name) \ |
244 | void set_gpio_ ## name(unsigned short gpio, unsigned short arg) \ | 318 | void set_gpio_ ## name(unsigned short gpio, unsigned short arg) \ |
245 | { \ | 319 | { \ |
246 | BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); \ | 320 | BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); \ |
247 | if (arg) \ | 321 | if (arg) \ |
248 | gpio_bankb[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \ | 322 | gpio_bankb[gpio_bank(gpio)]->name ## _set = gpio_bit(gpio); \ |
249 | else \ | 323 | else \ |
@@ -258,7 +332,7 @@ SET_GPIO_SC(maskb) | |||
258 | void set_gpio_data(unsigned short gpio, unsigned short arg) | 332 | void set_gpio_data(unsigned short gpio, unsigned short arg) |
259 | { | 333 | { |
260 | unsigned long flags; | 334 | unsigned long flags; |
261 | BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); | 335 | BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); |
262 | local_irq_save(flags); | 336 | local_irq_save(flags); |
263 | if (arg) | 337 | if (arg) |
264 | gpio_bankb[gpio_bank(gpio)]->data_set = gpio_bit(gpio); | 338 | gpio_bankb[gpio_bank(gpio)]->data_set = gpio_bit(gpio); |
@@ -277,7 +351,7 @@ SET_GPIO_SC(data) | |||
277 | void set_gpio_toggle(unsigned short gpio) | 351 | void set_gpio_toggle(unsigned short gpio) |
278 | { | 352 | { |
279 | unsigned long flags; | 353 | unsigned long flags; |
280 | BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); | 354 | BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); |
281 | local_irq_save(flags); | 355 | local_irq_save(flags); |
282 | gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio); | 356 | gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio); |
283 | bfin_read_CHIPID(); | 357 | bfin_read_CHIPID(); |
@@ -286,7 +360,7 @@ void set_gpio_toggle(unsigned short gpio) | |||
286 | #else | 360 | #else |
287 | void set_gpio_toggle(unsigned short gpio) | 361 | void set_gpio_toggle(unsigned short gpio) |
288 | { | 362 | { |
289 | BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); | 363 | BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); |
290 | gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio); | 364 | gpio_bankb[gpio_bank(gpio)]->toggle = gpio_bit(gpio); |
291 | } | 365 | } |
292 | #endif | 366 | #endif |
@@ -350,7 +424,7 @@ unsigned short get_gpio_data(unsigned short gpio) | |||
350 | { | 424 | { |
351 | unsigned long flags; | 425 | unsigned long flags; |
352 | unsigned short ret; | 426 | unsigned short ret; |
353 | BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); | 427 | BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); |
354 | local_irq_save(flags); | 428 | local_irq_save(flags); |
355 | ret = 0x01 & (gpio_bankb[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)); | 429 | ret = 0x01 & (gpio_bankb[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)); |
356 | bfin_read_CHIPID(); | 430 | bfin_read_CHIPID(); |
@@ -494,13 +568,14 @@ u32 gpio_pm_setup(void) | |||
494 | gpio_bank_saved[bank].dir = gpio_bankb[bank]->dir; | 568 | gpio_bank_saved[bank].dir = gpio_bankb[bank]->dir; |
495 | gpio_bank_saved[bank].edge = gpio_bankb[bank]->edge; | 569 | gpio_bank_saved[bank].edge = gpio_bankb[bank]->edge; |
496 | gpio_bank_saved[bank].both = gpio_bankb[bank]->both; | 570 | gpio_bank_saved[bank].both = gpio_bankb[bank]->both; |
497 | gpio_bank_saved[bank].reserved = reserved_map[bank]; | 571 | gpio_bank_saved[bank].reserved = |
572 | reserved_gpio_map[bank]; | ||
498 | 573 | ||
499 | gpio = i; | 574 | gpio = i; |
500 | 575 | ||
501 | while (mask) { | 576 | while (mask) { |
502 | if (mask & 1) { | 577 | if (mask & 1) { |
503 | reserved_map[gpio_bank(gpio)] |= | 578 | reserved_gpio_map[gpio_bank(gpio)] |= |
504 | gpio_bit(gpio); | 579 | gpio_bit(gpio); |
505 | bfin_gpio_wakeup_type(gpio, | 580 | bfin_gpio_wakeup_type(gpio, |
506 | wakeup_flags_map[gpio]); | 581 | wakeup_flags_map[gpio]); |
@@ -540,7 +615,8 @@ void gpio_pm_restore(void) | |||
540 | gpio_bankb[bank]->edge = gpio_bank_saved[bank].edge; | 615 | gpio_bankb[bank]->edge = gpio_bank_saved[bank].edge; |
541 | gpio_bankb[bank]->both = gpio_bank_saved[bank].both; | 616 | gpio_bankb[bank]->both = gpio_bank_saved[bank].both; |
542 | 617 | ||
543 | reserved_map[bank] = gpio_bank_saved[bank].reserved; | 618 | reserved_gpio_map[bank] = |
619 | gpio_bank_saved[bank].reserved; | ||
544 | 620 | ||
545 | } | 621 | } |
546 | 622 | ||
@@ -550,6 +626,140 @@ void gpio_pm_restore(void) | |||
550 | 626 | ||
551 | #endif | 627 | #endif |
552 | 628 | ||
629 | |||
630 | |||
631 | |||
632 | int peripheral_request(unsigned short per, const char *label) | ||
633 | { | ||
634 | unsigned long flags; | ||
635 | unsigned short ident = P_IDENT(per); | ||
636 | |||
637 | /* | ||
638 | * Don't cares are pins with only one dedicated function | ||
639 | */ | ||
640 | |||
641 | if (per & P_DONTCARE) | ||
642 | return 0; | ||
643 | |||
644 | if (!(per & P_DEFINED)) | ||
645 | return -ENODEV; | ||
646 | |||
647 | if (check_gpio(ident) < 0) | ||
648 | return -EINVAL; | ||
649 | |||
650 | local_irq_save(flags); | ||
651 | |||
652 | if (unlikely(reserved_gpio_map[gpio_bank(ident)] & gpio_bit(ident))) { | ||
653 | printk(KERN_ERR | ||
654 | "%s: Peripheral %d is already reserved as GPIO by %s !\n", | ||
655 | __FUNCTION__, ident, get_label(ident)); | ||
656 | dump_stack(); | ||
657 | local_irq_restore(flags); | ||
658 | return -EBUSY; | ||
659 | } | ||
660 | |||
661 | if (unlikely(reserved_peri_map[gpio_bank(ident)] & gpio_bit(ident))) { | ||
662 | |||
663 | /* | ||
664 | * Pin functions like AMC address strobes my | ||
665 | * be requested and used by several drivers | ||
666 | */ | ||
667 | |||
668 | if (!(per & P_MAYSHARE)) { | ||
669 | |||
670 | /* | ||
671 | * Allow that the identical pin function can | ||
672 | * be requested from the same driver twice | ||
673 | */ | ||
674 | |||
675 | if (cmp_label(ident, label) == 0) | ||
676 | goto anyway; | ||
677 | |||
678 | printk(KERN_ERR | ||
679 | "%s: Peripheral %d function %d is already" | ||
680 | "reserved by %s !\n", | ||
681 | __FUNCTION__, ident, P_FUNCT2MUX(per), | ||
682 | get_label(ident)); | ||
683 | dump_stack(); | ||
684 | local_irq_restore(flags); | ||
685 | return -EBUSY; | ||
686 | } | ||
687 | |||
688 | } | ||
689 | |||
690 | anyway: | ||
691 | |||
692 | |||
693 | portmux_setup(per, P_FUNCT2MUX(per)); | ||
694 | |||
695 | port_setup(ident, PERIPHERAL_USAGE); | ||
696 | |||
697 | reserved_peri_map[gpio_bank(ident)] |= gpio_bit(ident); | ||
698 | local_irq_restore(flags); | ||
699 | set_label(ident, label); | ||
700 | |||
701 | return 0; | ||
702 | } | ||
703 | EXPORT_SYMBOL(peripheral_request); | ||
704 | |||
705 | int peripheral_request_list(unsigned short per[], const char *label) | ||
706 | { | ||
707 | u16 cnt; | ||
708 | int ret; | ||
709 | |||
710 | for (cnt = 0; per[cnt] != 0; cnt++) { | ||
711 | ret = peripheral_request(per[cnt], label); | ||
712 | if (ret < 0) | ||
713 | return ret; | ||
714 | } | ||
715 | |||
716 | return 0; | ||
717 | } | ||
718 | EXPORT_SYMBOL(peripheral_request_list); | ||
719 | |||
720 | void peripheral_free(unsigned short per) | ||
721 | { | ||
722 | unsigned long flags; | ||
723 | unsigned short ident = P_IDENT(per); | ||
724 | |||
725 | if (per & P_DONTCARE) | ||
726 | return; | ||
727 | |||
728 | if (!(per & P_DEFINED)) | ||
729 | return; | ||
730 | |||
731 | if (check_gpio(ident) < 0) | ||
732 | return; | ||
733 | |||
734 | local_irq_save(flags); | ||
735 | |||
736 | if (unlikely(!(reserved_peri_map[gpio_bank(ident)] | ||
737 | & gpio_bit(ident)))) { | ||
738 | local_irq_restore(flags); | ||
739 | return; | ||
740 | } | ||
741 | |||
742 | if (!(per & P_MAYSHARE)) { | ||
743 | port_setup(ident, GPIO_USAGE); | ||
744 | } | ||
745 | |||
746 | reserved_peri_map[gpio_bank(ident)] &= ~gpio_bit(ident); | ||
747 | |||
748 | local_irq_restore(flags); | ||
749 | } | ||
750 | EXPORT_SYMBOL(peripheral_free); | ||
751 | |||
752 | void peripheral_free_list(unsigned short per[]) | ||
753 | { | ||
754 | u16 cnt; | ||
755 | |||
756 | for (cnt = 0; per[cnt] != 0; cnt++) { | ||
757 | peripheral_free(per[cnt]); | ||
758 | } | ||
759 | |||
760 | } | ||
761 | EXPORT_SYMBOL(peripheral_free_list); | ||
762 | |||
553 | /*********************************************************** | 763 | /*********************************************************** |
554 | * | 764 | * |
555 | * FUNCTIONS: Blackfin GPIO Driver | 765 | * FUNCTIONS: Blackfin GPIO Driver |
@@ -574,13 +784,13 @@ int gpio_request(unsigned short gpio, const char *label) | |||
574 | 784 | ||
575 | local_irq_save(flags); | 785 | local_irq_save(flags); |
576 | 786 | ||
577 | if (unlikely(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))) { | 787 | if (unlikely(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) { |
578 | printk(KERN_ERR "bfin-gpio: GPIO %d is already reserved!\n", gpio); | 788 | printk(KERN_ERR "bfin-gpio: GPIO %d is already reserved!\n", gpio); |
579 | dump_stack(); | 789 | dump_stack(); |
580 | local_irq_restore(flags); | 790 | local_irq_restore(flags); |
581 | return -EBUSY; | 791 | return -EBUSY; |
582 | } | 792 | } |
583 | reserved_map[gpio_bank(gpio)] |= gpio_bit(gpio); | 793 | reserved_gpio_map[gpio_bank(gpio)] |= gpio_bit(gpio); |
584 | 794 | ||
585 | local_irq_restore(flags); | 795 | local_irq_restore(flags); |
586 | 796 | ||
@@ -599,7 +809,7 @@ void gpio_free(unsigned short gpio) | |||
599 | 809 | ||
600 | local_irq_save(flags); | 810 | local_irq_save(flags); |
601 | 811 | ||
602 | if (unlikely(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio)))) { | 812 | if (unlikely(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)))) { |
603 | printk(KERN_ERR "bfin-gpio: GPIO %d wasn't reserved!\n", gpio); | 813 | printk(KERN_ERR "bfin-gpio: GPIO %d wasn't reserved!\n", gpio); |
604 | dump_stack(); | 814 | dump_stack(); |
605 | local_irq_restore(flags); | 815 | local_irq_restore(flags); |
@@ -608,7 +818,7 @@ void gpio_free(unsigned short gpio) | |||
608 | 818 | ||
609 | default_gpio(gpio); | 819 | default_gpio(gpio); |
610 | 820 | ||
611 | reserved_map[gpio_bank(gpio)] &= ~gpio_bit(gpio); | 821 | reserved_gpio_map[gpio_bank(gpio)] &= ~gpio_bit(gpio); |
612 | 822 | ||
613 | local_irq_restore(flags); | 823 | local_irq_restore(flags); |
614 | } | 824 | } |
@@ -618,7 +828,7 @@ void gpio_direction_input(unsigned short gpio) | |||
618 | { | 828 | { |
619 | unsigned long flags; | 829 | unsigned long flags; |
620 | 830 | ||
621 | BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); | 831 | BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); |
622 | 832 | ||
623 | local_irq_save(flags); | 833 | local_irq_save(flags); |
624 | gpio_bankb[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio); | 834 | gpio_bankb[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio); |
@@ -631,7 +841,7 @@ void gpio_direction_output(unsigned short gpio) | |||
631 | { | 841 | { |
632 | unsigned long flags; | 842 | unsigned long flags; |
633 | 843 | ||
634 | BUG_ON(!(reserved_map[gpio_bank(gpio)] & gpio_bit(gpio))); | 844 | BUG_ON(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))); |
635 | 845 | ||
636 | local_irq_save(flags); | 846 | local_irq_save(flags); |
637 | gpio_bankb[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio); | 847 | gpio_bankb[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio); |
diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h index e043cafa3c42..69b9f8e120e9 100644 --- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h | |||
@@ -1,5 +1,6 @@ | |||
1 | #include <linux/serial.h> | 1 | #include <linux/serial.h> |
2 | #include <asm/dma.h> | 2 | #include <asm/dma.h> |
3 | #include <asm/portmux.h> | ||
3 | 4 | ||
4 | #define NR_PORTS 1 | 5 | #define NR_PORTS 1 |
5 | 6 | ||
@@ -92,18 +93,24 @@ struct bfin_serial_res bfin_serial_resource[] = { | |||
92 | } | 93 | } |
93 | }; | 94 | }; |
94 | 95 | ||
96 | #define DRIVER_NAME "bfin-uart" | ||
95 | 97 | ||
96 | int nr_ports = NR_PORTS; | 98 | int nr_ports = NR_PORTS; |
97 | static void bfin_serial_hw_init(struct bfin_serial_port *uart) | 99 | static void bfin_serial_hw_init(struct bfin_serial_port *uart) |
98 | { | 100 | { |
99 | 101 | ||
102 | #ifdef CONFIG_SERIAL_BFIN_UART0 | ||
103 | peripheral_request(P_UART0_TX, DRIVER_NAME); | ||
104 | peripheral_request(P_UART0_RX, DRIVER_NAME); | ||
105 | #endif | ||
106 | |||
100 | #ifdef CONFIG_SERIAL_BFIN_CTSRTS | 107 | #ifdef CONFIG_SERIAL_BFIN_CTSRTS |
101 | if (uart->cts_pin >= 0) { | 108 | if (uart->cts_pin >= 0) { |
102 | gpio_request(uart->cts_pin, NULL); | 109 | gpio_request(uart->cts_pin, DRIVER_NAME); |
103 | gpio_direction_input(uart->cts_pin); | 110 | gpio_direction_input(uart->cts_pin); |
104 | } | 111 | } |
105 | if (uart->rts_pin >= 0) { | 112 | if (uart->rts_pin >= 0) { |
106 | gpio_request(uart->rts_pin, NULL); | 113 | gpio_request(uart->rts_pin, DRIVER_NAME); |
107 | gpio_direction_input(uart->rts_pin); | 114 | gpio_direction_input(uart->rts_pin); |
108 | } | 115 | } |
109 | #endif | 116 | #endif |
diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h index 8f5d9c4d8d5b..6fb328f5186a 100644 --- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h | |||
@@ -1,5 +1,6 @@ | |||
1 | #include <linux/serial.h> | 1 | #include <linux/serial.h> |
2 | #include <asm/dma.h> | 2 | #include <asm/dma.h> |
3 | #include <asm/portmux.h> | ||
3 | 4 | ||
4 | #define NR_PORTS 2 | 5 | #define NR_PORTS 2 |
5 | 6 | ||
@@ -122,25 +123,29 @@ struct bfin_serial_res bfin_serial_resource[] = { | |||
122 | 123 | ||
123 | int nr_ports = ARRAY_SIZE(bfin_serial_resource); | 124 | int nr_ports = ARRAY_SIZE(bfin_serial_resource); |
124 | 125 | ||
126 | #define DRIVER_NAME "bfin-uart" | ||
127 | |||
125 | static void bfin_serial_hw_init(struct bfin_serial_port *uart) | 128 | static void bfin_serial_hw_init(struct bfin_serial_port *uart) |
126 | { | 129 | { |
127 | unsigned short val; | ||
128 | val = bfin_read16(BFIN_PORT_MUX); | ||
129 | val &= ~(PFDE | PFTE); | ||
130 | bfin_write16(BFIN_PORT_MUX, val); | ||
131 | 130 | ||
132 | val = bfin_read16(PORTF_FER); | 131 | #ifdef CONFIG_SERIAL_BFIN_UART0 |
133 | val |= 0xF; | 132 | peripheral_request(P_UART0_TX, DRIVER_NAME); |
134 | bfin_write16(PORTF_FER, val); | 133 | peripheral_request(P_UART0_RX, DRIVER_NAME); |
134 | #endif | ||
135 | |||
136 | #ifdef CONFIG_SERIAL_BFIN_UART1 | ||
137 | peripheral_request(P_UART1_TX, DRIVER_NAME); | ||
138 | peripheral_request(P_UART1_RX, DRIVER_NAME); | ||
139 | #endif | ||
135 | 140 | ||
136 | #ifdef CONFIG_SERIAL_BFIN_CTSRTS | 141 | #ifdef CONFIG_SERIAL_BFIN_CTSRTS |
137 | if (uart->cts_pin >= 0) { | 142 | if (uart->cts_pin >= 0) { |
138 | gpio_request(uart->cts_pin, NULL); | 143 | gpio_request(uart->cts_pin, DRIVER_NAME); |
139 | gpio_direction_input(uart->cts_pin); | 144 | gpio_direction_input(uart->cts_pin); |
140 | } | 145 | } |
141 | 146 | ||
142 | if (uart->rts_pin >= 0) { | 147 | if (uart->rts_pin >= 0) { |
143 | gpio_request(uart->rts_pin, NULL); | 148 | gpio_request(uart->rts_pin, DRIVER_NAME); |
144 | gpio_direction_output(uart->rts_pin); | 149 | gpio_direction_output(uart->rts_pin); |
145 | } | 150 | } |
146 | #endif | 151 | #endif |
diff --git a/include/asm-blackfin/mach-bf537/portmux.h b/include/asm-blackfin/mach-bf537/portmux.h index 23e13c5abc4d..7daa2479a731 100644 --- a/include/asm-blackfin/mach-bf537/portmux.h +++ b/include/asm-blackfin/mach-bf537/portmux.h | |||
@@ -106,4 +106,4 @@ | |||
106 | #define P_SPI0_SSEL2 (P_DEFINED | P_IDENT(PORT_PJ11) | P_FUNCT(1)) | 106 | #define P_SPI0_SSEL2 (P_DEFINED | P_IDENT(PORT_PJ11) | P_FUNCT(1)) |
107 | #define P_SPI0_SSEL7 (P_DEFINED | P_IDENT(PORT_PJ5) | P_FUNCT(2)) | 107 | #define P_SPI0_SSEL7 (P_DEFINED | P_IDENT(PORT_PJ5) | P_FUNCT(2)) |
108 | 108 | ||
109 | #endif /* _MACH_PORTMUX_H_ */ | 109 | #endif /* _MACH_PORTMUX_H_ */ |
diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h index e043cafa3c42..69b9f8e120e9 100644 --- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h | |||
@@ -1,5 +1,6 @@ | |||
1 | #include <linux/serial.h> | 1 | #include <linux/serial.h> |
2 | #include <asm/dma.h> | 2 | #include <asm/dma.h> |
3 | #include <asm/portmux.h> | ||
3 | 4 | ||
4 | #define NR_PORTS 1 | 5 | #define NR_PORTS 1 |
5 | 6 | ||
@@ -92,18 +93,24 @@ struct bfin_serial_res bfin_serial_resource[] = { | |||
92 | } | 93 | } |
93 | }; | 94 | }; |
94 | 95 | ||
96 | #define DRIVER_NAME "bfin-uart" | ||
95 | 97 | ||
96 | int nr_ports = NR_PORTS; | 98 | int nr_ports = NR_PORTS; |
97 | static void bfin_serial_hw_init(struct bfin_serial_port *uart) | 99 | static void bfin_serial_hw_init(struct bfin_serial_port *uart) |
98 | { | 100 | { |
99 | 101 | ||
102 | #ifdef CONFIG_SERIAL_BFIN_UART0 | ||
103 | peripheral_request(P_UART0_TX, DRIVER_NAME); | ||
104 | peripheral_request(P_UART0_RX, DRIVER_NAME); | ||
105 | #endif | ||
106 | |||
100 | #ifdef CONFIG_SERIAL_BFIN_CTSRTS | 107 | #ifdef CONFIG_SERIAL_BFIN_CTSRTS |
101 | if (uart->cts_pin >= 0) { | 108 | if (uart->cts_pin >= 0) { |
102 | gpio_request(uart->cts_pin, NULL); | 109 | gpio_request(uart->cts_pin, DRIVER_NAME); |
103 | gpio_direction_input(uart->cts_pin); | 110 | gpio_direction_input(uart->cts_pin); |
104 | } | 111 | } |
105 | if (uart->rts_pin >= 0) { | 112 | if (uart->rts_pin >= 0) { |
106 | gpio_request(uart->rts_pin, NULL); | 113 | gpio_request(uart->rts_pin, DRIVER_NAME); |
107 | gpio_direction_input(uart->rts_pin); | 114 | gpio_direction_input(uart->rts_pin); |
108 | } | 115 | } |
109 | #endif | 116 | #endif |
diff --git a/include/asm-blackfin/portmux.h b/include/asm-blackfin/portmux.h index 9d3681e42111..0d3f650d2d99 100644 --- a/include/asm-blackfin/portmux.h +++ b/include/asm-blackfin/portmux.h | |||
@@ -14,6 +14,12 @@ | |||
14 | #define P_MAYSHARE 0x2000 | 14 | #define P_MAYSHARE 0x2000 |
15 | #define P_DONTCARE 0x1000 | 15 | #define P_DONTCARE 0x1000 |
16 | 16 | ||
17 | |||
18 | int peripheral_request(unsigned short per, const char *label); | ||
19 | void peripheral_free(unsigned short per); | ||
20 | int peripheral_request_list(unsigned short per[], const char *label); | ||
21 | void peripheral_free_list(unsigned short per[]); | ||
22 | |||
17 | #include <asm/gpio.h> | 23 | #include <asm/gpio.h> |
18 | #include <asm/mach/portmux.h> | 24 | #include <asm/mach/portmux.h> |
19 | 25 | ||
@@ -145,6 +151,22 @@ | |||
145 | #define P_SPI2_SSEL3 P_UNDEF | 151 | #define P_SPI2_SSEL3 P_UNDEF |
146 | #endif | 152 | #endif |
147 | 153 | ||
154 | #ifndef P_SPI2_SSEL4 | ||
155 | #define P_SPI2_SSEL4 P_UNDEF | ||
156 | #endif | ||
157 | |||
158 | #ifndef P_SPI2_SSEL5 | ||
159 | #define P_SPI2_SSEL5 P_UNDEF | ||
160 | #endif | ||
161 | |||
162 | #ifndef P_SPI2_SSEL6 | ||
163 | #define P_SPI2_SSEL6 P_UNDEF | ||
164 | #endif | ||
165 | |||
166 | #ifndef P_SPI2_SSEL7 | ||
167 | #define P_SPI2_SSEL7 P_UNDEF | ||
168 | #endif | ||
169 | |||
148 | #ifndef P_SPI2_SCK | 170 | #ifndef P_SPI2_SCK |
149 | #define P_SPI2_SCK P_UNDEF | 171 | #define P_SPI2_SCK P_UNDEF |
150 | #endif | 172 | #endif |
@@ -513,6 +535,22 @@ | |||
513 | #define P_SPI0_SSEL3 P_UNDEF | 535 | #define P_SPI0_SSEL3 P_UNDEF |
514 | #endif | 536 | #endif |
515 | 537 | ||
538 | #ifndef P_SPI0_SSEL4 | ||
539 | #define P_SPI0_SSEL4 P_UNDEF | ||
540 | #endif | ||
541 | |||
542 | #ifndef P_SPI0_SSEL5 | ||
543 | #define P_SPI0_SSEL5 P_UNDEF | ||
544 | #endif | ||
545 | |||
546 | #ifndef P_SPI0_SSEL6 | ||
547 | #define P_SPI0_SSEL6 P_UNDEF | ||
548 | #endif | ||
549 | |||
550 | #ifndef P_SPI0_SSEL7 | ||
551 | #define P_SPI0_SSEL7 P_UNDEF | ||
552 | #endif | ||
553 | |||
516 | #ifndef P_UART0_TX | 554 | #ifndef P_UART0_TX |
517 | #define P_UART0_TX P_UNDEF | 555 | #define P_UART0_TX P_UNDEF |
518 | #endif | 556 | #endif |
@@ -741,6 +779,23 @@ | |||
741 | #define P_SPI1_SSEL3 P_UNDEF | 779 | #define P_SPI1_SSEL3 P_UNDEF |
742 | #endif | 780 | #endif |
743 | 781 | ||
782 | |||
783 | #ifndef P_SPI1_SSEL4 | ||
784 | #define P_SPI1_SSEL4 P_UNDEF | ||
785 | #endif | ||
786 | |||
787 | #ifndef P_SPI1_SSEL5 | ||
788 | #define P_SPI1_SSEL5 P_UNDEF | ||
789 | #endif | ||
790 | |||
791 | #ifndef P_SPI1_SSEL6 | ||
792 | #define P_SPI1_SSEL6 P_UNDEF | ||
793 | #endif | ||
794 | |||
795 | #ifndef P_SPI1_SSEL7 | ||
796 | #define P_SPI1_SSEL7 P_UNDEF | ||
797 | #endif | ||
798 | |||
744 | #ifndef P_SPI1_SCK | 799 | #ifndef P_SPI1_SCK |
745 | #define P_SPI1_SCK P_UNDEF | 800 | #define P_SPI1_SCK P_UNDEF |
746 | #endif | 801 | #endif |