diff options
Diffstat (limited to 'qemu/roms/u-boot/board/keymile/kmp204x/qrio.c')
| -rw-r--r-- | qemu/roms/u-boot/board/keymile/kmp204x/qrio.c | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/qemu/roms/u-boot/board/keymile/kmp204x/qrio.c b/qemu/roms/u-boot/board/keymile/kmp204x/qrio.c deleted file mode 100644 index b6ba93ada..000000000 --- a/qemu/roms/u-boot/board/keymile/kmp204x/qrio.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * (C) Copyright 2013 Keymile AG - * Valentin Longchamp <valentin.longchamp@keymile.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> - -#include "../common/common.h" -#include "kmp204x.h" - -/* QRIO GPIO register offsets */ -#define DIRECT_OFF 0x18 -#define GPRT_OFF 0x1c - -int qrio_get_gpio(u8 port_off, u8 gpio_nr) -{ - u32 gprt; - - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - gprt = in_be32(qrio_base + port_off + GPRT_OFF); - - return (gprt >> gpio_nr) & 1U; -} - -void qrio_set_gpio(u8 port_off, u8 gpio_nr, bool value) -{ - u32 gprt, mask; - - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - mask = 1U << gpio_nr; - - gprt = in_be32(qrio_base + port_off + GPRT_OFF); - if (value) - gprt |= mask; - else - gprt &= ~mask; - - out_be32(qrio_base + port_off + GPRT_OFF, gprt); -} - -void qrio_gpio_direction_output(u8 port_off, u8 gpio_nr, bool value) -{ - u32 direct, mask; - - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - mask = 1U << gpio_nr; - - direct = in_be32(qrio_base + port_off + DIRECT_OFF); - direct |= mask; - out_be32(qrio_base + port_off + DIRECT_OFF, direct); - - qrio_set_gpio(port_off, gpio_nr, value); -} - -void qrio_gpio_direction_input(u8 port_off, u8 gpio_nr) -{ - u32 direct, mask; - - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - mask = 1U << gpio_nr; - - direct = in_be32(qrio_base + port_off + DIRECT_OFF); - direct &= ~mask; - out_be32(qrio_base + port_off + DIRECT_OFF, direct); -} - -void qrio_set_opendrain_gpio(u8 port_off, u8 gpio_nr, u8 val) -{ - u32 direct, mask; - - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - mask = 1U << gpio_nr; - - direct = in_be32(qrio_base + port_off + DIRECT_OFF); - if (val == 0) - /* set to output -> GPIO drives low */ - direct |= mask; - else - /* set to input -> GPIO floating */ - direct &= ~mask; - - out_be32(qrio_base + port_off + DIRECT_OFF, direct); -} - -#define WDMASK_OFF 0x16 - -void qrio_wdmask(u8 bit, bool wden) -{ - u16 wdmask; - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - wdmask = in_be16(qrio_base + WDMASK_OFF); - - if (wden) - wdmask |= (1 << bit); - else - wdmask &= ~(1 << bit); - - out_be16(qrio_base + WDMASK_OFF, wdmask); -} - -#define PRST_OFF 0x1a - -void qrio_prst(u8 bit, bool en, bool wden) -{ - u16 prst; - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - qrio_wdmask(bit, wden); - - prst = in_be16(qrio_base + PRST_OFF); - - if (en) - prst &= ~(1 << bit); - else - prst |= (1 << bit); - - out_be16(qrio_base + PRST_OFF, prst); -} - -#define PRSTCFG_OFF 0x1c - -void qrio_prstcfg(u8 bit, u8 mode) -{ - u32 prstcfg; - u8 i; - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - prstcfg = in_be32(qrio_base + PRSTCFG_OFF); - - for (i = 0; i < 2; i++) { - if (mode & (1<<i)) - set_bit(2*bit+i, &prstcfg); - else - clear_bit(2*bit+i, &prstcfg); - } - - out_be32(qrio_base + PRSTCFG_OFF, prstcfg); -} - -#define CTRLH_OFF 0x02 -#define CTRLH_WRL_BOOT 0x01 -#define CTRLH_WRL_UNITRUN 0x02 - -void qrio_set_leds(void) -{ - u8 ctrlh; - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - /* set UNIT LED to RED and BOOT LED to ON */ - ctrlh = in_8(qrio_base + CTRLH_OFF); - ctrlh |= (CTRLH_WRL_BOOT | CTRLH_WRL_UNITRUN); - out_8(qrio_base + CTRLH_OFF, ctrlh); -} - -#define CTRLL_OFF 0x03 -#define CTRLL_WRB_BUFENA 0x20 - -void qrio_enable_app_buffer(void) -{ - u8 ctrll; - void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; - - /* enable application buffer */ - ctrll = in_8(qrio_base + CTRLL_OFF); - ctrll |= (CTRLL_WRB_BUFENA); - out_8(qrio_base + CTRLL_OFF, ctrll); -} |