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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/mach-at91/include/mach/atmel_pio4.h
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/mach-at91/include/mach/atmel_pio4.h')
-rw-r--r--roms/u-boot/arch/arm/mach-at91/include/mach/atmel_pio4.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-at91/include/mach/atmel_pio4.h b/roms/u-boot/arch/arm/mach-at91/include/mach/atmel_pio4.h
new file mode 100644
index 000000000..c3bd9140d
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-at91/include/mach/atmel_pio4.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2015 Atmel Corporation.
+ * Wenyou Yang <wenyou.yang@atmel.com>
+ */
+
+#ifndef __ATMEL_PIO4_H
+#define __ATMEL_PIO4_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/bitops.h>
+struct atmel_pio4_port {
+ u32 mskr; /* 0x00 PIO Mask Register */
+ u32 cfgr; /* 0x04 PIO Configuration Register */
+ u32 pdsr; /* 0x08 PIO Pin Data Status Register */
+ u32 locksr; /* 0x0C PIO Lock Status Register */
+ u32 sodr; /* 0x10 PIO Set Output Data Register */
+ u32 codr; /* 0x14 PIO Clear Output Data Register */
+ u32 odsr; /* 0x18 PIO Output Data Status Register */
+ u32 reserved0;
+ u32 ier; /* 0x20 PIO Interrupt Enable Register */
+ u32 idr; /* 0x24 PIO Interrupt Disable Register */
+ u32 imr; /* 0x28 PIO Interrupt Mask Register */
+ u32 isr; /* 0x2C PIO Interrupt Status Register */
+ u32 reserved1[3];
+ u32 iofr; /* 0x3C PIO I/O Freeze Register */
+};
+
+#endif
+
+/*
+ * PIO Configuration Register Fields
+ */
+#define ATMEL_PIO_CFGR_FUNC_MASK GENMASK(2, 0)
+#define ATMEL_PIO_CFGR_FUNC_GPIO (0x0 << 0)
+#define ATMEL_PIO_CFGR_FUNC_PERIPH_A (0x1 << 0)
+#define ATMEL_PIO_CFGR_FUNC_PERIPH_B (0x2 << 0)
+#define ATMEL_PIO_CFGR_FUNC_PERIPH_C (0x3 << 0)
+#define ATMEL_PIO_CFGR_FUNC_PERIPH_D (0x4 << 0)
+#define ATMEL_PIO_CFGR_FUNC_PERIPH_E (0x5 << 0)
+#define ATMEL_PIO_CFGR_FUNC_PERIPH_F (0x6 << 0)
+#define ATMEL_PIO_CFGR_FUNC_PERIPH_G (0x7 << 0)
+#define ATMEL_PIO_DIR_MASK BIT(8)
+#define ATMEL_PIO_PUEN_MASK BIT(9)
+#define ATMEL_PIO_PDEN_MASK BIT(10)
+#define ATMEL_PIO_SR BIT(11)
+#define ATMEL_PIO_IFEN_MASK BIT(12)
+#define ATMEL_PIO_IFSCEN_MASK BIT(13)
+#define ATMEL_PIO_OPD_MASK BIT(14)
+#define ATMEL_PIO_SCHMITT_MASK BIT(15)
+#define ATMEL_PIO_DRVSTR_MASK GENMASK(17, 16)
+#define ATMEL_PIO_DRVSTR_LO (1 << 16)
+#define ATMEL_PIO_DRVSTR_ME (2 << 16)
+#define ATMEL_PIO_DRVSTR_HI (3 << 16)
+#define ATMEL_PIO_DRVSTR_OFFSET 16
+#define ATMEL_PIO_CFGR_EVTSEL_MASK GENMASK(26, 24)
+#define ATMEL_PIO_CFGR_EVTSEL_FALLING (0 << 24)
+#define ATMEL_PIO_CFGR_EVTSEL_RISING (1 << 24)
+#define ATMEL_PIO_CFGR_EVTSEL_BOTH (2 << 24)
+#define ATMEL_PIO_CFGR_EVTSEL_LOW (3 << 24)
+#define ATMEL_PIO_CFGR_EVTSEL_HIGH (4 << 24)
+
+#define ATMEL_PIO_NPINS_PER_BANK 32
+#define ATMEL_PIO_BANK(pin_id) (pin_id / ATMEL_PIO_NPINS_PER_BANK)
+#define ATMEL_PIO_LINE(pin_id) (pin_id % ATMEL_PIO_NPINS_PER_BANK)
+#define ATMEL_PIO_BANK_OFFSET 0x40
+
+#define ATMEL_GET_PIN_NO(pinfunc) ((pinfunc) & 0xff)
+#define ATMEL_GET_PIN_FUNC(pinfunc) ((pinfunc >> 16) & 0xf)
+#define ATMEL_GET_PIN_IOSET(pinfunc) ((pinfunc >> 20) & 0xf)
+
+#define AT91_PIO_PORTA 0x0
+#define AT91_PIO_PORTB 0x1
+#define AT91_PIO_PORTC 0x2
+#define AT91_PIO_PORTD 0x3
+
+int atmel_pio4_set_gpio(u32 port, u32 pin, u32 config);
+int atmel_pio4_set_a_periph(u32 port, u32 pin, u32 config);
+int atmel_pio4_set_b_periph(u32 port, u32 pin, u32 config);
+int atmel_pio4_set_c_periph(u32 port, u32 pin, u32 config);
+int atmel_pio4_set_d_periph(u32 port, u32 pin, u32 config);
+int atmel_pio4_set_e_periph(u32 port, u32 pin, u32 config);
+int atmel_pio4_set_f_periph(u32 port, u32 pin, u32 config);
+int atmel_pio4_set_g_periph(u32 port, u32 pin, u32 config);
+int atmel_pio4_set_pio_output(u32 port, u32 pin, u32 value);
+int atmel_pio4_get_pio_input(u32 port, u32 pin);
+
+#endif