Merge branch 'master' of git://git.denx.de/u-boot-blackfin

1 files changed, 201 insertions, 0 deletions

diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
new file mode 100644
index 0000000..b650ef0
--- /dev/null
+++ b/arch/blackfin/include/asm/gpio.h
@@ -0,0 +1,201 @@
+/*
+ * Copyright 2006-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ARCH_BLACKFIN_GPIO_H__
+#define __ARCH_BLACKFIN_GPIO_H__
+
+#define gpio_bank(x)	((x) >> 4)
+#define gpio_bit(x)	(1<<((x) & 0xF))
+#define gpio_sub_n(x)	((x) & 0xF)
+
+#define GPIO_BANKSIZE	16
+#define GPIO_BANK_NUM	DIV_ROUND_UP(MAX_BLACKFIN_GPIOS, GPIO_BANKSIZE)
+
+#define GPIO_0	0
+#define GPIO_1	1
+#define GPIO_2	2
+#define GPIO_3	3
+#define GPIO_4	4
+#define GPIO_5	5
+#define GPIO_6	6
+#define GPIO_7	7
+#define GPIO_8	8
+#define GPIO_9	9
+#define GPIO_10	10
+#define GPIO_11	11
+#define GPIO_12	12
+#define GPIO_13	13
+#define GPIO_14	14
+#define GPIO_15	15
+#define GPIO_16	16
+#define GPIO_17	17
+#define GPIO_18	18
+#define GPIO_19	19
+#define GPIO_20	20
+#define GPIO_21	21
+#define GPIO_22	22
+#define GPIO_23	23
+#define GPIO_24	24
+#define GPIO_25	25
+#define GPIO_26	26
+#define GPIO_27	27
+#define GPIO_28	28
+#define GPIO_29	29
+#define GPIO_30	30
+#define GPIO_31	31
+#define GPIO_32	32
+#define GPIO_33	33
+#define GPIO_34	34
+#define GPIO_35	35
+#define GPIO_36	36
+#define GPIO_37	37
+#define GPIO_38	38
+#define GPIO_39	39
+#define GPIO_40	40
+#define GPIO_41	41
+#define GPIO_42	42
+#define GPIO_43	43
+#define GPIO_44	44
+#define GPIO_45	45
+#define GPIO_46	46
+#define GPIO_47	47
+
+#define PERIPHERAL_USAGE 1
+#define GPIO_USAGE 0
+
+#ifndef __ASSEMBLY__
+
+#ifndef CONFIG_BF54x
+void set_gpio_dir(unsigned, unsigned short);
+void set_gpio_inen(unsigned, unsigned short);
+void set_gpio_polar(unsigned, unsigned short);
+void set_gpio_edge(unsigned, unsigned short);
+void set_gpio_both(unsigned, unsigned short);
+void set_gpio_data(unsigned, unsigned short);
+void set_gpio_maska(unsigned, unsigned short);
+void set_gpio_maskb(unsigned, unsigned short);
+void set_gpio_toggle(unsigned);
+void set_gpiop_dir(unsigned, unsigned short);
+void set_gpiop_inen(unsigned, unsigned short);
+void set_gpiop_polar(unsigned, unsigned short);
+void set_gpiop_edge(unsigned, unsigned short);
+void set_gpiop_both(unsigned, unsigned short);
+void set_gpiop_data(unsigned, unsigned short);
+void set_gpiop_maska(unsigned, unsigned short);
+void set_gpiop_maskb(unsigned, unsigned short);
+unsigned short get_gpio_dir(unsigned);
+unsigned short get_gpio_inen(unsigned);
+unsigned short get_gpio_polar(unsigned);
+unsigned short get_gpio_edge(unsigned);
+unsigned short get_gpio_both(unsigned);
+unsigned short get_gpio_maska(unsigned);
+unsigned short get_gpio_maskb(unsigned);
+unsigned short get_gpio_data(unsigned);
+unsigned short get_gpiop_dir(unsigned);
+unsigned short get_gpiop_inen(unsigned);
+unsigned short get_gpiop_polar(unsigned);
+unsigned short get_gpiop_edge(unsigned);
+unsigned short get_gpiop_both(unsigned);
+unsigned short get_gpiop_maska(unsigned);
+unsigned short get_gpiop_maskb(unsigned);
+unsigned short get_gpiop_data(unsigned);
+
+struct gpio_port_t {
+	unsigned short data;
+	unsigned short dummy1;
+	unsigned short data_clear;
+	unsigned short dummy2;
+	unsigned short data_set;
+	unsigned short dummy3;
+	unsigned short toggle;
+	unsigned short dummy4;
+	unsigned short maska;
+	unsigned short dummy5;
+	unsigned short maska_clear;
+	unsigned short dummy6;
+	unsigned short maska_set;
+	unsigned short dummy7;
+	unsigned short maska_toggle;
+	unsigned short dummy8;
+	unsigned short maskb;
+	unsigned short dummy9;
+	unsigned short maskb_clear;
+	unsigned short dummy10;
+	unsigned short maskb_set;
+	unsigned short dummy11;
+	unsigned short maskb_toggle;
+	unsigned short dummy12;
+	unsigned short dir;
+	unsigned short dummy13;
+	unsigned short polar;
+	unsigned short dummy14;
+	unsigned short edge;
+	unsigned short dummy15;
+	unsigned short both;
+	unsigned short dummy16;
+	unsigned short inen;
+};
+#endif
+
+#ifdef CONFIG_BFIN_GPIO_TRACK
+void bfin_gpio_labels(void);
+#else
+#define bfin_gpio_labels()
+#define bfin_gpio_request(gpio, label) bfin_gpio_request(gpio)
+#define bfin_special_gpio_request(gpio, label) bfin_special_gpio_request(gpio)
+#endif
+
+#ifdef BFIN_SPECIAL_GPIO_BANKS
+void bfin_special_gpio_free(unsigned gpio);
+int bfin_special_gpio_request(unsigned gpio, const char *label);
+#endif
+
+int bfin_gpio_request(unsigned gpio, const char *label);
+void bfin_gpio_free(unsigned gpio);
+int bfin_gpio_direction_input(unsigned gpio);
+int bfin_gpio_direction_output(unsigned gpio, int value);
+int bfin_gpio_get_value(unsigned gpio);
+void bfin_gpio_set_value(unsigned gpio, int value);
+void bfin_gpio_toggle_value(unsigned gpio);
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+	return bfin_gpio_request(gpio, label);
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+	return bfin_gpio_free(gpio);
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+	return bfin_gpio_direction_input(gpio);
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+	return bfin_gpio_direction_output(gpio, value);
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+	return bfin_gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+	return bfin_gpio_set_value(gpio, value);
+}
+
+static inline int gpio_is_valid(int number)
+{
+	return number >= 0 && number < MAX_BLACKFIN_GPIOS;
+}
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __ARCH_BLACKFIN_GPIO_H__ */