[U-Boot] [PATCH 1/3] ae3xx: timer: Rename AE3XX to ATCPIT100
Andes
uboot at andestech.com
Wed Nov 15 02:48:21 UTC 2017
From: Rick Chen <rick at andestech.com>
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 Chen <rick at andestech.com>
---
drivers/timer/Kconfig | 7 ++-
drivers/timer/Makefile | 2 +-
drivers/timer/ae3xx_timer.c | 117 ---------------------------------------
drivers/timer/atcpit100_timer.c | 117 +++++++++++++++++++++++++++++++++++++++
4 files changed, 122 insertions(+), 121 deletions(-)
delete mode 100644 drivers/timer/ae3xx_timer.c
create mode 100644 drivers/timer/atcpit100_timer.c
diff --git a/drivers/timer/Kconfig b/drivers/timer/Kconfig
index 6305bbf..fcfdf4e 100644
--- a/drivers/timer/Kconfig
+++ b/drivers/timer/Kconfig
@@ -105,11 +105,12 @@ config AG101P_TIMER
help
Select this to enable a timer for AG01P devices.
-config AE3XX_TIMER
- bool "AE3XX timer support"
+config ATCPIT100_TIMER
+ bool "ATCPIT100 timer support"
depends on TIMER && NDS32
help
- Select this to enable a timer for AE3XX devices.
+ Select this to enable a ATCPIT100 timer which will be embeded
+ in AE3XX, AE250 boards.
config ROCKCHIP_TIMER
bool "Rockchip timer support"
diff --git a/drivers/timer/Makefile b/drivers/timer/Makefile
index 69e8961..15e5154 100644
--- a/drivers/timer/Makefile
+++ b/drivers/timer/Makefile
@@ -13,6 +13,6 @@ obj-$(CONFIG_AST_TIMER) += ast_timer.o
obj-$(CONFIG_STI_TIMER) += sti-timer.o
obj-$(CONFIG_ARC_TIMER) += arc_timer.o
obj-$(CONFIG_AG101P_TIMER) += ag101p_timer.o
-obj-$(CONFIG_AE3XX_TIMER) += ae3xx_timer.o
+obj-$(CONFIG_ATCPIT100_TIMER) += atcpit100_timer.o
obj-$(CONFIG_ROCKCHIP_TIMER) += rockchip_timer.o
obj-$(CONFIG_ATMEL_PIT_TIMER) += atmel_pit_timer.o
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 at 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,
-};
diff --git a/drivers/timer/atcpit100_timer.c b/drivers/timer/atcpit100_timer.c
new file mode 100644
index 0000000..d5146dd
--- /dev/null
+++ b/drivers/timer/atcpit100_timer.c
@@ -0,0 +1,117 @@
+/*
+ * Andestech ATCPIT100 timer driver
+ *
+ * (C) Copyright 2016
+ * Rick Chen, NDS32 Software Engineering, rick at 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 atcpit_timer_platdata {
+ u32 *regs;
+};
+
+static int atcpit_timer_get_count(struct udevice *dev, u64 *count)
+{
+ struct atcpit_timer_platdata *plat = dev->platdata;
+ u32 val;
+ val = ~(REG32_TMR(CH_CNT(1))+0xffffffff);
+ *count = timer_conv_64(val);
+ return 0;
+}
+
+static int atcpit_timer_probe(struct udevice *dev)
+{
+ struct atcpit_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 atcpit_timer_ofdata_to_platdata(struct udevice *dev)
+{
+ struct atcpit_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 atcpit_timer_ops = {
+ .get_count = atcpit_timer_get_count,
+};
+
+static const struct udevice_id atcpit_timer_ids[] = {
+ { .compatible = "andestech,atcpit100" },
+ {}
+};
+
+U_BOOT_DRIVER(atcpit100_timer) = {
+ .name = "atcpit100_timer",
+ .id = UCLASS_TIMER,
+ .of_match = atcpit_timer_ids,
+ .ofdata_to_platdata = atcpit_timer_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct atcpit_timer_platdata),
+ .probe = atcpit_timer_probe,
+ .ops = &atcpit_timer_ops,
+ .flags = DM_FLAG_PRE_RELOC,
+};
--
1.7.9.5
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