diff options
Diffstat (limited to 'qemu/roms/u-boot/board/altera/common')
| -rw-r--r-- | qemu/roms/u-boot/board/altera/common/cfide.c | 33 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/altera/common/epled.c | 46 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/altera/common/sevenseg.c | 204 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/altera/common/sevenseg.h | 126 |
4 files changed, 409 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/altera/common/cfide.c b/qemu/roms/u-boot/board/altera/common/cfide.c new file mode 100644 index 000000000..40d6a12b5 --- /dev/null +++ b/qemu/roms/u-boot/board/altera/common/cfide.c @@ -0,0 +1,33 @@ +/* + * Altera CF drvier + * + * (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <common.h> +#include <asm/io.h> + +#if defined(CONFIG_IDE_RESET) && defined(CONFIG_SYS_CF_CTL_BASE) +/* ide_set_reset for Altera CF interface */ +#define ALTERA_CF_CTL_STATUS 0 +#define ALTERA_CF_IDE_CTL 4 +#define ALTERA_CF_CTL_STATUS_PRESENT_MSK (0x1) +#define ALTERA_CF_CTL_STATUS_POWER_MSK (0x2) +#define ALTERA_CF_CTL_STATUS_RESET_MSK (0x4) +#define ALTERA_CF_CTL_STATUS_IRQ_EN_MSK (0x8) +#define ALTERA_CF_IDE_CTL_IRQ_EN_MSK (0x1) + +void ide_set_reset(int idereset) +{ + int i; + writel(idereset ? ALTERA_CF_CTL_STATUS_RESET_MSK : + ALTERA_CF_CTL_STATUS_POWER_MSK, + CONFIG_SYS_CF_CTL_BASE + ALTERA_CF_CTL_STATUS); + /* wait 500 ms for power to stabilize */ + for (i = 0; i < 500; i++) + udelay(1000); +} +#endif diff --git a/qemu/roms/u-boot/board/altera/common/epled.c b/qemu/roms/u-boot/board/altera/common/epled.c new file mode 100644 index 000000000..580d590f2 --- /dev/null +++ b/qemu/roms/u-boot/board/altera/common/epled.c @@ -0,0 +1,46 @@ +/* + * (C) Copyright 2004, Psyent Corporation <www.psyent.com> + * Scott McNutt <smcnutt@psyent.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <nios2-io.h> +#include <status_led.h> + +/* The LED port is configured as output only, so we + * must track the state manually. + */ +static led_id_t val = 0; + +void __led_init (led_id_t mask, int state) +{ + nios_pio_t *pio = (nios_pio_t *)CONFIG_SYS_LEDPIO_ADDR; + + if (state == STATUS_LED_ON) + val &= ~mask; + else + val |= mask; + writel (val, &pio->data); +} + +void __led_set (led_id_t mask, int state) +{ + nios_pio_t *pio = (nios_pio_t *)CONFIG_SYS_LEDPIO_ADDR; + + if (state == STATUS_LED_ON) + val &= ~mask; + else + val |= mask; + writel (val, &pio->data); +} + +void __led_toggle (led_id_t mask) +{ + nios_pio_t *pio = (nios_pio_t *)CONFIG_SYS_LEDPIO_ADDR; + + val ^= mask; + writel (val, &pio->data); +} diff --git a/qemu/roms/u-boot/board/altera/common/sevenseg.c b/qemu/roms/u-boot/board/altera/common/sevenseg.c new file mode 100644 index 000000000..1f22c8524 --- /dev/null +++ b/qemu/roms/u-boot/board/altera/common/sevenseg.c @@ -0,0 +1,204 @@ +/* + * (C) Copyright 2003, Li-Pro.Net <www.li-pro.net> + * Stephan Linz <linz@li-pro.net> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * common/sevenseg.c + * + * NIOS PIO based seven segment led support functions + */ + +#include <common.h> +#include <nios-io.h> + +#ifdef CONFIG_SEVENSEG + +#define SEVENDEG_MASK_DP ((SEVENSEG_DIGIT_DP << 8) | SEVENSEG_DIGIT_DP) + +#ifdef SEVENSEG_WRONLY /* emulate read access */ +#if (SEVENSEG_ACTIVE == 0) +static unsigned int sevenseg_portval = ~0; +#else +static unsigned int sevenseg_portval = 0; +#endif +#endif + +static int sevenseg_init_done = 0; + +static inline void __sevenseg_set_masked (unsigned int mask, int value) +{ + nios_pio_t *piop __attribute__((unused)) = (nios_pio_t*)SEVENSEG_BASE; + +#ifdef SEVENSEG_WRONLY /* emulate read access */ + +#if (SEVENSEG_ACTIVE == 0) + if (value) + sevenseg_portval &= ~mask; + else + sevenseg_portval |= mask; +#else + if (value) + sevenseg_portval |= mask; + else + sevenseg_portval &= ~mask; +#endif + + piop->data = sevenseg_portval; + +#else /* !SEVENSEG_WRONLY */ + +#if (SEVENSEG_ACTIVE == 0) + if (value) + piop->data &= ~mask; + else + piop->data |= mask; +#else + if (value) + piop->data |= mask; + else + piop->data &= ~mask; +#endif + +#endif /* SEVENSEG_WRONLY */ +} + +static inline void __sevenseg_toggle_masked (unsigned int mask) +{ + nios_pio_t *piop = (nios_pio_t*)SEVENSEG_BASE; + +#ifdef SEVENSEG_WRONLY /* emulate read access */ + + sevenseg_portval ^= mask; + piop->data = sevenseg_portval; + +#else /* !SEVENSEG_WRONLY */ + + piop->data ^= mask; + +#endif /* SEVENSEG_WRONLY */ +} + +static inline void __sevenseg_set (unsigned int value) +{ + nios_pio_t *piop __attribute__((unused)) = (nios_pio_t*)SEVENSEG_BASE; + +#ifdef SEVENSEG_WRONLY /* emulate read access */ + +#if (SEVENSEG_ACTIVE == 0) + sevenseg_portval = (sevenseg_portval & SEVENDEG_MASK_DP) + | ((~value) & (~SEVENDEG_MASK_DP)); +#else + sevenseg_portval = (sevenseg_portval & SEVENDEG_MASK_DP) + | (value); +#endif + + piop->data = sevenseg_portval; + +#else /* !SEVENSEG_WRONLY */ + +#if (SEVENSEG_ACTIVE == 0) + piop->data = (piop->data & SEVENDEG_MASK_DP) + | ((~value) & (~SEVENDEG_MASK_DP)); +#else + piop->data = (piop->data & SEVENDEG_MASK_DP) + | (value); +#endif + +#endif /* SEVENSEG_WRONLY */ +} + +static inline void __sevenseg_init (void) +{ + nios_pio_t *piop __attribute__((unused)) = (nios_pio_t*)SEVENSEG_BASE; + + __sevenseg_set(0); + +#ifndef SEVENSEG_WRONLY /* setup direction */ + + piop->direction |= mask; + +#endif /* SEVENSEG_WRONLY */ +} + + +void sevenseg_set(int value) +{ + unsigned char digits[] = { + SEVENSEG_DIGITS_0, + SEVENSEG_DIGITS_1, + SEVENSEG_DIGITS_2, + SEVENSEG_DIGITS_3, + SEVENSEG_DIGITS_4, + SEVENSEG_DIGITS_5, + SEVENSEG_DIGITS_6, + SEVENSEG_DIGITS_7, + SEVENSEG_DIGITS_8, + SEVENSEG_DIGITS_9, + SEVENSEG_DIGITS_A, + SEVENSEG_DIGITS_B, + SEVENSEG_DIGITS_C, + SEVENSEG_DIGITS_D, + SEVENSEG_DIGITS_E, + SEVENSEG_DIGITS_F + }; + + if (!sevenseg_init_done) { + __sevenseg_init(); + sevenseg_init_done++; + } + + switch (value & SEVENSEG_MASK_CTRL) { + + case SEVENSEG_RAW: + __sevenseg_set( ( + (digits[((value & SEVENSEG_MASK_VAL) >> 4)] << 8) | + digits[((value & SEVENSEG_MASK_VAL) & 0xf)] ) ); + return; + break; /* paranoia */ + + case SEVENSEG_OFF: + __sevenseg_set(0); + __sevenseg_set_masked(SEVENDEG_MASK_DP, 0); + return; + break; /* paranoia */ + + case SEVENSEG_SET_DPL: + __sevenseg_set_masked(SEVENSEG_DIGIT_DP, 1); + return; + break; /* paranoia */ + + case SEVENSEG_SET_DPH: + __sevenseg_set_masked((SEVENSEG_DIGIT_DP << 8), 1); + return; + break; /* paranoia */ + + case SEVENSEG_RES_DPL: + __sevenseg_set_masked(SEVENSEG_DIGIT_DP, 0); + return; + break; /* paranoia */ + + case SEVENSEG_RES_DPH: + __sevenseg_set_masked((SEVENSEG_DIGIT_DP << 8), 0); + return; + break; /* paranoia */ + + case SEVENSEG_TOG_DPL: + __sevenseg_toggle_masked(SEVENSEG_DIGIT_DP); + return; + break; /* paranoia */ + + case SEVENSEG_TOG_DPH: + __sevenseg_toggle_masked((SEVENSEG_DIGIT_DP << 8)); + return; + break; /* paranoia */ + + case SEVENSEG_LO: + case SEVENSEG_HI: + case SEVENSEG_STR: + default: + break; + } +} + +#endif /* CONFIG_SEVENSEG */ diff --git a/qemu/roms/u-boot/board/altera/common/sevenseg.h b/qemu/roms/u-boot/board/altera/common/sevenseg.h new file mode 100644 index 000000000..34348329e --- /dev/null +++ b/qemu/roms/u-boot/board/altera/common/sevenseg.h @@ -0,0 +1,126 @@ +/* + * (C) Copyright 2003, Li-Pro.Net <www.li-pro.net> + * Stephan Linz <linz@li-pro.net> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * common/sevenseg.h + * + * NIOS PIO based seven segment led support functions + */ + +#ifndef __DK1S10_SEVENSEG_H__ +#define __DK1S10_SEVENSEG_H__ + +#ifdef CONFIG_SEVENSEG + +/* + * 15 8 7 0 + * |-----------------------|--------| + * | controll value | value | + * ---------------------------------- + */ +#define SEVENSEG_RAW (int)(0) /* write out byte value (hex) */ +#define SEVENSEG_OFF (int)( 1 << 8) /* display switch off */ +#define SEVENSEG_SET_DPL (int)( 2 << 8) /* set dp low nibble */ +#define SEVENSEG_SET_DPH (int)( 3 << 8) /* set dp high nibble */ +#define SEVENSEG_RES_DPL (int)( 4 << 8) /* reset dp low nibble */ +#define SEVENSEG_RES_DPH (int)( 5 << 8) /* reset dp high nibble */ +#define SEVENSEG_TOG_DPL (int)( 6 << 8) /* toggle dp low nibble */ +#define SEVENSEG_TOG_DPH (int)( 7 << 8) /* toggle dp high nibble */ +#define SEVENSEG_LO (int)( 8 << 8) /* write out low nibble only */ +#define SEVENSEG_HI (int)( 9 << 8) /* write out high nibble only */ +#define SEVENSEG_STR (int)(10 << 8) /* write out a string */ + +#define SEVENSEG_MASK_VAL (0xff) /* only used by SEVENSEG_RAW */ +#define SEVENSEG_MASK_CTRL (~SEVENSEG_MASK_VAL) + +#ifdef SEVENSEG_DIGIT_HI_LO_EQUAL + +#define SEVENSEG_DIGITS_0 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F ) +#define SEVENSEG_DIGITS_1 ( SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C ) +#define SEVENSEG_DIGITS_2 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_3 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_4 ( SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_5 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_6 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_7 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C ) +#define SEVENSEG_DIGITS_8 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_9 ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_A ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_B ( SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_C ( SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_D ( SEVENSEG_DIGIT_B \ + | SEVENSEG_DIGIT_C \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_E ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_D \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) +#define SEVENSEG_DIGITS_F ( SEVENSEG_DIGIT_A \ + | SEVENSEG_DIGIT_E \ + | SEVENSEG_DIGIT_F \ + | SEVENSEG_DIGIT_G ) + +#else /* !SEVENSEG_DIGIT_HI_LO_EQUAL */ +#error SEVENSEG: different pin asssignments not supported +#endif + +void sevenseg_set(int value); + +#endif /* CONFIG_SEVENSEG */ + +#endif /* __DK1S10_SEVENSEG_H__ */ |