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author | Rick Chen <rickchen36@gmail.com> | 2017-11-28 09:23:23 +0800 |
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committer | Rick Chen <rickchen36@gmail.com> | 2017-11-30 09:38:54 +0800 |
commit | fa3e354b2bcc9b07c89d0be190dd0e75cf54d6c6 (patch) | |
tree | 4ed1ce1eadb87b1a083e2a53853fe400f26d4790 /drivers/timer/ae3xx_timer.c | |
parent | 0e920ef052e2a5d33b1fd37b0b0ef7b74831e851 (diff) | |
download | u-boot-fa3e354b2bcc9b07c89d0be190dd0e75cf54d6c6.zip u-boot-fa3e354b2bcc9b07c89d0be190dd0e75cf54d6c6.tar.gz u-boot-fa3e354b2bcc9b07c89d0be190dd0e75cf54d6c6.tar.bz2 |
ae3xx: timer: Rename AE3XX to ATCPIT100
ATCPIT100 is Andestech timer IP which is embeded
in AE3XX and AE250 boards. So rename AE3XX to
ATCPIT100 will be more make sence.
Signed-off-by: rick <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/timer/ae3xx_timer.c')
-rw-r--r-- | drivers/timer/ae3xx_timer.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/drivers/timer/ae3xx_timer.c b/drivers/timer/ae3xx_timer.c deleted file mode 100644 index b710c28..0000000 --- a/drivers/timer/ae3xx_timer.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Andestech ATCPIT100 timer driver - * - * (C) Copyright 2016 - * Rick Chen, NDS32 Software Engineering, rick@andestech.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <dm.h> -#include <errno.h> -#include <timer.h> -#include <linux/io.h> - -DECLARE_GLOBAL_DATA_PTR; - -#define REG32_TMR(x) (*(u32 *) ((plat->regs) + (x>>2))) - -/* - * Definition of register offsets - */ - -/* ID and Revision Register */ -#define ID_REV 0x0 - -/* Configuration Register */ -#define CFG 0x10 - -/* Interrupt Enable Register */ -#define INT_EN 0x14 -#define CH_INT_EN(c , i) ((1<<i)<<(4*c)) - -/* Interrupt Status Register */ -#define INT_STA 0x18 -#define CH_INT_STA(c , i) ((1<<i)<<(4*c)) - -/* Channel Enable Register */ -#define CH_EN 0x1C -#define CH_TMR_EN(c , t) ((1<<t)<<(4*c)) - -/* Ch n Control REgister */ -#define CH_CTL(n) (0x20+0x10*n) -/* Channel clock source , bit 3 , 0:External clock , 1:APB clock */ -#define APB_CLK (1<<3) -/* Channel mode , bit 0~2 */ -#define TMR_32 1 -#define TMR_16 2 -#define TMR_8 3 -#define PWM 4 - -#define CH_REL(n) (0x24+0x10*n) -#define CH_CNT(n) (0x28+0x10*n) - -struct atctmr_timer_regs { - u32 id_rev; /* 0x00 */ - u32 reservd[3]; /* 0x04 ~ 0x0c */ - u32 cfg; /* 0x10 */ - u32 int_en; /* 0x14 */ - u32 int_st; /* 0x18 */ - u32 ch_en; /* 0x1c */ - u32 ch0_ctrl; /* 0x20 */ - u32 ch0_reload; /* 0x24 */ - u32 ch0_cntr; /* 0x28 */ - u32 reservd1; /* 0x2c */ - u32 ch1_ctrl; /* 0x30 */ - u32 ch1_reload; /* 0x34 */ - u32 int_mask; /* 0x38 */ -}; - -struct atftmr_timer_platdata { - u32 *regs; -}; - -static int atftmr_timer_get_count(struct udevice *dev, u64 *count) -{ - struct atftmr_timer_platdata *plat = dev->platdata; - u32 val; - val = ~(REG32_TMR(CH_CNT(1))+0xffffffff); - *count = timer_conv_64(val); - return 0; -} - -static int atctmr_timer_probe(struct udevice *dev) -{ - struct atftmr_timer_platdata *plat = dev->platdata; - REG32_TMR(CH_REL(1)) = 0xffffffff; - REG32_TMR(CH_CTL(1)) = APB_CLK|TMR_32; - REG32_TMR(CH_EN) |= CH_TMR_EN(1 , 0); - return 0; -} - -static int atctme_timer_ofdata_to_platdata(struct udevice *dev) -{ - struct atftmr_timer_platdata *plat = dev_get_platdata(dev); - plat->regs = map_physmem(devfdt_get_addr(dev) , 0x100 , MAP_NOCACHE); - return 0; -} - -static const struct timer_ops ag101p_timer_ops = { - .get_count = atftmr_timer_get_count, -}; - -static const struct udevice_id ag101p_timer_ids[] = { - { .compatible = "andestech,atcpit100" }, - {} -}; - -U_BOOT_DRIVER(altera_timer) = { - .name = "ae3xx_timer", - .id = UCLASS_TIMER, - .of_match = ag101p_timer_ids, - .ofdata_to_platdata = atctme_timer_ofdata_to_platdata, - .platdata_auto_alloc_size = sizeof(struct atftmr_timer_platdata), - .probe = atctmr_timer_probe, - .ops = &ag101p_timer_ops, - .flags = DM_FLAG_PRE_RELOC, -}; |