Patchwork [U-Boot,v3,06/11] Blackfin: bf60x: add gpio support

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Submitter Sonic Zhang
Date Feb. 20, 2013, 8:50 a.m.
Message ID <1361350217-7592-7-git-send-email-sonic.adi@gmail.com>
Download mbox | patch
Permalink /patch/222003/
State Superseded
Delegated to: Tom Rini
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Sonic Zhang - Feb. 20, 2013, 8:50 a.m.
From: Bob Liu <lliubbo@gmail.com>

Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
---
 arch/blackfin/cpu/gpio.c                    |   36 +++++--
 arch/blackfin/include/asm/gpio.h            |    2 +-
 arch/blackfin/include/asm/mach-bf609/gpio.h |  151 +++++++++++++++++++++++++++
 3 files changed, 181 insertions(+), 8 deletions(-)
 create mode 100644 arch/blackfin/include/asm/mach-bf609/gpio.h

Patch

diff --git a/arch/blackfin/cpu/gpio.c b/arch/blackfin/cpu/gpio.c
index 5674d42..f684be5 100644
--- a/arch/blackfin/cpu/gpio.c
+++ b/arch/blackfin/cpu/gpio.c
@@ -66,6 +66,14 @@  static struct gpio_port_t * const gpio_array[] = {
 	(struct gpio_port_t *)PORTH_FER,
 	(struct gpio_port_t *)PORTI_FER,
 	(struct gpio_port_t *)PORTJ_FER,
+#elif defined(CONFIG_BF60x)
+	(struct gpio_port_t *)PORTA_FER,
+	(struct gpio_port_t *)PORTB_FER,
+	(struct gpio_port_t *)PORTC_FER,
+	(struct gpio_port_t *)PORTD_FER,
+	(struct gpio_port_t *)PORTE_FER,
+	(struct gpio_port_t *)PORTF_FER,
+	(struct gpio_port_t *)PORTG_FER,
 #else
 # error no gpio arrays defined
 #endif
@@ -216,6 +224,12 @@  static void port_setup(unsigned gpio, unsigned short usage)
 	else
 		gpio_array[gpio_bank(gpio)]->port_fer |= gpio_bit(gpio);
 	SSYNC();
+#elif defined(CONFIG_BF60x)
+	if (usage == GPIO_USAGE)
+		gpio_array[gpio_bank(gpio)]->port_fer_clear = gpio_bit(gpio);
+	else
+		gpio_array[gpio_bank(gpio)]->port_fer_set = gpio_bit(gpio);
+	SSYNC();
 #endif
 }
 
@@ -290,7 +304,7 @@  static void portmux_setup(unsigned short per)
 		}
 	}
 }
-#elif defined(CONFIG_BF54x)
+#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 inline void portmux_setup(unsigned short per)
 {
 	u32 pmux;
@@ -330,7 +344,7 @@  inline void portmux_setup(unsigned short per)
 # define portmux_setup(...)  do { } while (0)
 #endif
 
-#ifndef CONFIG_BF54x
+#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
 /***********************************************************
 *
 * FUNCTIONS: Blackfin General Purpose Ports Access Functions
@@ -534,7 +548,7 @@  int peripheral_request(unsigned short per, const char *label)
 		 * be requested and used by several drivers
 		 */
 
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 		if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) {
 #else
 		if (!(per & P_MAYSHARE)) {
@@ -651,7 +665,7 @@  int bfin_gpio_request(unsigned gpio, const char *label)
 		       gpio, get_label(gpio));
 		return -EBUSY;
 	}
-#ifndef CONFIG_BF54x
+#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
 	else {	/* Reset POLAR setting when acquiring a gpio for the first time */
 		set_gpio_polar(gpio, 0);
 	}
@@ -732,12 +746,16 @@  void bfin_special_gpio_free(unsigned gpio)
 
 static inline void __bfin_gpio_direction_input(unsigned gpio)
 {
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 	gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
 #else
 	gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
 #endif
+#if defined(CONFIG_BF60x)
+	gpio_array[gpio_bank(gpio)]->inen_set = gpio_bit(gpio);
+#else
 	gpio_array[gpio_bank(gpio)]->inen |= gpio_bit(gpio);
+#endif
 }
 
 int bfin_gpio_direction_input(unsigned gpio)
@@ -785,9 +803,13 @@  int bfin_gpio_direction_output(unsigned gpio, int value)
 
 	local_irq_save(flags);
 
+#if defined(CONFIG_BF60x)
+	gpio_array[gpio_bank(gpio)]->inen_clear = gpio_bit(gpio);
+#else
 	gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
+#endif
 	gpio_set_value(gpio, value);
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 	gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
 #else
 	gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
@@ -801,7 +823,7 @@  int bfin_gpio_direction_output(unsigned gpio, int value)
 
 int bfin_gpio_get_value(unsigned gpio)
 {
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 	return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)));
 #else
 	unsigned long flags;
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 224688f..05131b5 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -68,7 +68,7 @@ 
 
 #ifndef __ASSEMBLY__
 
-#ifndef CONFIG_BF54x
+#if !defined(CONFIG_BF54x) && !defined(CONFIG_BF60x)
 void set_gpio_dir(unsigned, unsigned short);
 void set_gpio_inen(unsigned, unsigned short);
 void set_gpio_polar(unsigned, unsigned short);
diff --git a/arch/blackfin/include/asm/mach-bf609/gpio.h b/arch/blackfin/include/asm/mach-bf609/gpio.h
new file mode 100644
index 0000000..e297bcc
--- /dev/null
+++ b/arch/blackfin/include/asm/mach-bf609/gpio.h
@@ -0,0 +1,151 @@ 
+/*
+ * Copyright (C) 2008 Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _MACH_GPIO_H_
+#define _MACH_GPIO_H_
+
+#define MAX_BLACKFIN_GPIOS 112
+
+#define GPIO_PA0	0
+#define GPIO_PA1	1
+#define GPIO_PA2	2
+#define GPIO_PA3	3
+#define GPIO_PA4	4
+#define GPIO_PA5	5
+#define GPIO_PA6	6
+#define GPIO_PA7	7
+#define GPIO_PA8	8
+#define GPIO_PA9	9
+#define GPIO_PA10	10
+#define GPIO_PA11	11
+#define GPIO_PA12	12
+#define GPIO_PA13	13
+#define GPIO_PA14	14
+#define GPIO_PA15	15
+#define GPIO_PB0	16
+#define GPIO_PB1	17
+#define GPIO_PB2	18
+#define GPIO_PB3	19
+#define GPIO_PB4	20
+#define GPIO_PB5	21
+#define GPIO_PB6	22
+#define GPIO_PB7	23
+#define GPIO_PB8	24
+#define GPIO_PB9	25
+#define GPIO_PB10	26
+#define GPIO_PB11	27
+#define GPIO_PB12	28
+#define GPIO_PB13	29
+#define GPIO_PB14	30
+#define GPIO_PB15	31
+#define GPIO_PC0	32
+#define GPIO_PC1	33
+#define GPIO_PC2	34
+#define GPIO_PC3	35
+#define GPIO_PC4	36
+#define GPIO_PC5	37
+#define GPIO_PC6	38
+#define GPIO_PC7	39
+#define GPIO_PC8	40
+#define GPIO_PC9	41
+#define GPIO_PC10	42
+#define GPIO_PC11	43
+#define GPIO_PC12	44
+#define GPIO_PC13	45
+#define GPIO_PC14	46
+#define GPIO_PC15	47
+#define GPIO_PD0	48
+#define GPIO_PD1	49
+#define GPIO_PD2	50
+#define GPIO_PD3	51
+#define GPIO_PD4	52
+#define GPIO_PD5	53
+#define GPIO_PD6	54
+#define GPIO_PD7	55
+#define GPIO_PD8	56
+#define GPIO_PD9	57
+#define GPIO_PD10	58
+#define GPIO_PD11	59
+#define GPIO_PD12	60
+#define GPIO_PD13	61
+#define GPIO_PD14	62
+#define GPIO_PD15	63
+#define GPIO_PE0	64
+#define GPIO_PE1	65
+#define GPIO_PE2	66
+#define GPIO_PE3	67
+#define GPIO_PE4	68
+#define GPIO_PE5	69
+#define GPIO_PE6	70
+#define GPIO_PE7	71
+#define GPIO_PE8	72
+#define GPIO_PE9	73
+#define GPIO_PE10	74
+#define GPIO_PE11	75
+#define GPIO_PE12	76
+#define GPIO_PE13	77
+#define GPIO_PE14	78
+#define GPIO_PE15	79
+#define GPIO_PF0	80
+#define GPIO_PF1	81
+#define GPIO_PF2	82
+#define GPIO_PF3	83
+#define GPIO_PF4	84
+#define GPIO_PF5	85
+#define GPIO_PF6	86
+#define GPIO_PF7	87
+#define GPIO_PF8	88
+#define GPIO_PF9	89
+#define GPIO_PF10	90
+#define GPIO_PF11	91
+#define GPIO_PF12	92
+#define GPIO_PF13	93
+#define GPIO_PF14	94
+#define GPIO_PF15	95
+#define GPIO_PG0	96
+#define GPIO_PG1	97
+#define GPIO_PG2	98
+#define GPIO_PG3	99
+#define GPIO_PG4	100
+#define GPIO_PG5	101
+#define GPIO_PG6	102
+#define GPIO_PG7	103
+#define GPIO_PG8	104
+#define GPIO_PG9	105
+#define GPIO_PG10	106
+#define GPIO_PG11	107
+#define GPIO_PG12	108
+#define GPIO_PG13	109
+#define GPIO_PG14	110
+#define GPIO_PG15	111
+
+#ifndef __ASSEMBLY__
+
+struct gpio_port_t {
+	unsigned long port_fer;
+	unsigned long port_fer_set;
+	unsigned long port_fer_clear;
+	unsigned long data;
+	unsigned long data_set;
+	unsigned long data_clear;
+	unsigned long dir;
+	unsigned long dir_set;
+	unsigned long dir_clear;
+	unsigned long inen;
+	unsigned long inen_set;
+	unsigned long inen_clear;
+	unsigned long port_mux;
+	unsigned long toggle;
+	unsigned long polar;
+	unsigned long polar_set;
+	unsigned long polar_clear;
+	unsigned long lock;
+	unsigned long spare;
+	unsigned long revid;
+};
+
+#endif
+
+#endif /* _MACH_GPIO_H_ */