diff options
Diffstat (limited to 'drivers/timer/fttmr010_timer.c')
-rw-r--r-- | drivers/timer/fttmr010_timer.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/drivers/timer/fttmr010_timer.c b/drivers/timer/fttmr010_timer.c deleted file mode 100644 index c41bbfc1d57..00000000000 --- a/drivers/timer/fttmr010_timer.c +++ /dev/null @@ -1,91 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2009 Faraday Technology - * Po-Yu Chuang <ratbert@faraday-tech.com> - * - * 23/08/2022 Port to DM - */ -#include <dm.h> -#include <log.h> -#include <timer.h> -#include <asm/io.h> -#include <dm/ofnode.h> -#include <faraday/fttmr010.h> -#include <asm/global_data.h> - -#define TIMER_LOAD_VAL 0xffffffff - -struct fttmr010_timer_priv { - struct fttmr010 __iomem *regs; -}; - -static u64 fttmr010_timer_get_count(struct udevice *dev) -{ - struct fttmr010_timer_priv *priv = dev_get_priv(dev); - struct fttmr010 *tmr = priv->regs; - u32 now = TIMER_LOAD_VAL - readl(&tmr->timer3_counter); - - /* increment tbu if tbl has rolled over */ - if (now < gd->arch.tbl) - gd->arch.tbu++; - gd->arch.tbl = now; - - return ((u64)gd->arch.tbu << 32) | gd->arch.tbl; -} - -static int fttmr010_timer_probe(struct udevice *dev) -{ - struct fttmr010_timer_priv *priv = dev_get_priv(dev); - struct fttmr010 *tmr; - unsigned int cr; - - priv->regs = dev_read_addr_ptr(dev); - if (!priv->regs) - return -EINVAL; - tmr = priv->regs; - - debug("Faraday FTTMR010 timer revision 0x%08X\n", readl(&tmr->revision)); - - /* disable timers */ - writel(0, &tmr->cr); - - /* setup timer */ - writel(TIMER_LOAD_VAL, &tmr->timer3_load); - writel(TIMER_LOAD_VAL, &tmr->timer3_counter); - writel(0, &tmr->timer3_match1); - writel(0, &tmr->timer3_match2); - - /* we don't want timer to issue interrupts */ - writel(FTTMR010_TM3_MATCH1 | - FTTMR010_TM3_MATCH2 | - FTTMR010_TM3_OVERFLOW, - &tmr->interrupt_mask); - - cr = readl(&tmr->cr); - cr |= FTTMR010_TM3_CLOCK; /* use external clock */ - cr |= FTTMR010_TM3_ENABLE; - writel(cr, &tmr->cr); - - gd->arch.tbl = 0; - gd->arch.tbu = 0; - - return 0; -} - -static const struct timer_ops fttmr010_timer_ops = { - .get_count = fttmr010_timer_get_count, -}; - -static const struct udevice_id fttmr010_timer_ids[] = { - { .compatible = "faraday,fttmr010-timer" }, - {} -}; - -U_BOOT_DRIVER(fttmr010_timer) = { - .name = "fttmr010_timer", - .id = UCLASS_TIMER, - .of_match = fttmr010_timer_ids, - .priv_auto = sizeof(struct fttmr010_timer_priv), - .probe = fttmr010_timer_probe, - .ops = &fttmr010_timer_ops, -}; |