diff options
| -rw-r--r-- | src/soc/marvell/mvmap2315/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/soc/marvell/mvmap2315/gpio.c | 71 | ||||
| -rw-r--r-- | src/soc/marvell/mvmap2315/include/soc/addressmap.h | 3 | ||||
| -rw-r--r-- | src/soc/marvell/mvmap2315/include/soc/gpio.h | 99 |
4 files changed, 176 insertions, 0 deletions
diff --git a/src/soc/marvell/mvmap2315/Makefile.inc b/src/soc/marvell/mvmap2315/Makefile.inc index 34a47fb650..d711b7d273 100644 --- a/src/soc/marvell/mvmap2315/Makefile.inc +++ b/src/soc/marvell/mvmap2315/Makefile.inc @@ -19,6 +19,7 @@ bootblock-y += bootblock.c bootblock-y += clock.c bootblock-y += fiq.S bootblock-y += gic.c +bootblock-y += gpio.c bootblock-y += media.c bootblock-y += pinmux.c bootblock-y += reset.c @@ -28,6 +29,7 @@ bootblock-y += uart.c ramstage-y += cbmem.c ramstage-y += media.c +ramstage-y += gpio.c ramstage-y += ramstage_entry.S ramstage-y += reset.c ramstage-y += soc.c @@ -37,6 +39,7 @@ ramstage-y += uart.c romstage-y += cbmem.c romstage-y += clock.c +romstage-y += gpio.c romstage-y += media.c romstage-y += mmu_operations.c romstage-y += reset.c diff --git a/src/soc/marvell/mvmap2315/gpio.c b/src/soc/marvell/mvmap2315/gpio.c new file mode 100644 index 0000000000..57fc7180d5 --- /dev/null +++ b/src/soc/marvell/mvmap2315/gpio.c @@ -0,0 +1,71 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Marvell, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stddef.h> +#include <stdint.h> +#include <stdlib.h> + +#include <arch/io.h> +#include <gpio.h> +#include <soc/addressmap.h> +#include <soc/gpio.h> +#include <soc/pinmux.h> + +struct mvmap2315_gpio_regs *gpio_banks[] = { + (struct mvmap2315_gpio_regs *)MVMAP2315_GPIOF_BASE, + (struct mvmap2315_gpio_regs *)MVMAP2315_GPIOG_BASE, + (struct mvmap2315_gpio_regs *)MVMAP2315_GPIOH_BASE, +}; + +int gpio_get(gpio_t gpio) +{ + return (read32(&gpio_banks[gpio.bank]->plr) >> gpio.idx) & 0x1; +} + +void gpio_set(gpio_t gpio, int value) +{ + if (value) + setbits_le32(&gpio_banks[gpio.bank]->psr, 1 << gpio.idx); + else + setbits_le32(&gpio_banks[gpio.bank]->pcr, 1 << gpio.idx); +} + +void gpio_input_pulldown(gpio_t gpio) +{ + set_pinmux(PINMUX(GET_GPIO_PAD(gpio), 0, 1, 0, 0, PULLDOWN)); + clrbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx); +} + +void gpio_input_pullup(gpio_t gpio) +{ + set_pinmux(PINMUX(GET_GPIO_PAD(gpio), 0, 1, 0, 0, PULLUP)); + clrbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx); +} + +void gpio_input(gpio_t gpio) +{ + set_pinmux(PINMUX(GET_GPIO_PAD(gpio), 0, 1, 0, 0, PULLNONE)); + clrbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx); +} + +void gpio_output(gpio_t gpio, int value) +{ + setbits_le32(&gpio_banks[gpio.bank]->pdr, 1 << gpio.idx); + + if (value) + setbits_le32(&gpio_banks[gpio.bank]->psr, 1 << gpio.idx); + else + setbits_le32(&gpio_banks[gpio.bank]->pcr, 1 << gpio.idx); +} diff --git a/src/soc/marvell/mvmap2315/include/soc/addressmap.h b/src/soc/marvell/mvmap2315/include/soc/addressmap.h index 53e627bffe..f646b00e5a 100644 --- a/src/soc/marvell/mvmap2315/include/soc/addressmap.h +++ b/src/soc/marvell/mvmap2315/include/soc/addressmap.h @@ -24,6 +24,9 @@ #define MVMAP2315_PINMUX_BASE 0xE0140000 #define MVMAP2315_TIMER0_BASE 0xE1020000 +#define MVMAP2315_GPIOF_BASE 0xE0142000 +#define MVMAP2315_GPIOG_BASE 0xE0142100 +#define MVMAP2315_GPIOH_BASE 0xE0142200 #define MVMAP2315_BCM_GICD_BASE 0xE0111000 #define MVMAP2315_BCM_GICC_BASE 0xE0112000 diff --git a/src/soc/marvell/mvmap2315/include/soc/gpio.h b/src/soc/marvell/mvmap2315/include/soc/gpio.h new file mode 100644 index 0000000000..93535de90f --- /dev/null +++ b/src/soc/marvell/mvmap2315/include/soc/gpio.h @@ -0,0 +1,99 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Marvell, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __SOC_MARVELL_MVMAP2315_GPIO_H__ +#define __SOC_MARVELL_MVMAP2315_GPIO_H__ + +#include <stdint.h> + +#include <types.h> + +#define GPIO(b, i) ((gpio_t){.bank = GPIO_##b, .idx = i}) +#define GET_GPIO_PAD(gpio) ((gpio.bank * 32) + gpio.idx + 160) + +struct mvmap2315_gpio_regs { + u32 plr; + u32 pdr; + u32 psr; + u32 pcr; + u32 hripr; + u32 lfipr; + u32 isr; + u32 sdr; + u32 cdr; + u32 shripr; + u32 chripr; + u32 slfipr; + u32 clfipr; + u32 olr; + u32 dwer; + u32 imr; + u32 rev0; + u32 rev1; + u32 simr; + u32 cimr; + u32 iter0; + u32 iter1; + u32 iter2; + u32 iter3; + u32 iter4; + u32 iter5; + u32 iter6; + u32 iter7; + u32 iter8; + u32 iter9; + u32 iter10; + u32 iter11; + u32 iter12; + u32 iter13; + u32 iter14; + u32 iter15; + u32 iter16; + u32 iter17; + u32 iter18; + u32 iter19; + u32 iter20; + u32 iter21; + u32 iter22; + u32 iter23; +}; + +check_member(mvmap2315_gpio_regs, iter23, 0xac); + +typedef union { + u32 raw; + struct { + u16 port; + union { + struct { + u16 num : 5; + u16 reserved1 : 11; + }; + struct { + u16 idx : 3; + u16 bank : 2; + u16 reserved2 : 11; + }; + }; + }; +} gpio_t; + +enum { + GPIO_F = 0, + GPIO_G = 1, + GPIO_H = 2, +}; + +#endif /* __SOC_MARVELL_MVMAP2315_GPIO_H__ */ |