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authorMasahiro Yamada <yamada.m@jp.panasonic.com>2015-02-24 11:45:09 +0900
committerTom Rini <trini@ti.com>2015-02-24 17:07:24 -0500
commit50b82c4b702c59599c567fa82decb20d60f5110d (patch)
tree065057c2d5b68d1edf96cb39f3d613b1cf384cf2 /drivers/watchdog
parent29fc6f24926e2c9d37dbbc37a2e2df2eced4c678 (diff)
downloadblackbird-obmc-uboot-50b82c4b702c59599c567fa82decb20d60f5110d.tar.gz
blackbird-obmc-uboot-50b82c4b702c59599c567fa82decb20d60f5110d.zip
ARM: remove tnetv107x board support
This is still a non-generic board. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Chan-Taek Park <c-park@ti.com> Acked-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/Makefile1
-rw-r--r--drivers/watchdog/tnetv107x_wdt.c165
2 files changed, 0 insertions, 166 deletions
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 1dc0f5aa10..482a4bd5be 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -10,7 +10,6 @@ obj-$(CONFIG_FTWDT010_WATCHDOG) += ftwdt010_wdt.o
ifneq (,$(filter $(SOC), mx31 mx35 mx5 mx6 vf610 ls102xa))
obj-y += imx_watchdog.o
endif
-obj-$(CONFIG_TNETV107X_WATCHDOG) += tnetv107x_wdt.o
obj-$(CONFIG_S5P) += s5p_wdt.o
obj-$(CONFIG_XILINX_TB_WATCHDOG) += xilinx_tb_wdt.o
obj-$(CONFIG_BFIN_WATCHDOG) += bfin_wdt.o
diff --git a/drivers/watchdog/tnetv107x_wdt.c b/drivers/watchdog/tnetv107x_wdt.c
deleted file mode 100644
index 3d3f366c02..0000000000
--- a/drivers/watchdog/tnetv107x_wdt.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * TNETV107X: Watchdog timer implementation (for reset)
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-
-#define MAX_DIV 0xFFFE0001
-
-struct wdt_regs {
- u32 kick_lock;
-#define KICK_LOCK_1 0x5555
-#define KICK_LOCK_2 0xaaaa
- u32 kick;
-
- u32 change_lock;
-#define CHANGE_LOCK_1 0x6666
-#define CHANGE_LOCK_2 0xbbbb
- u32 change;
-
- u32 disable_lock;
-#define DISABLE_LOCK_1 0x7777
-#define DISABLE_LOCK_2 0xcccc
-#define DISABLE_LOCK_3 0xdddd
- u32 disable;
-
- u32 prescale_lock;
-#define PRESCALE_LOCK_1 0x5a5a
-#define PRESCALE_LOCK_2 0xa5a5
- u32 prescale;
-};
-
-static struct wdt_regs* regs = (struct wdt_regs *)TNETV107X_WDT0_ARM_BASE;
-
-#define wdt_reg_read(reg) __raw_readl(&regs->reg)
-#define wdt_reg_write(reg, val) __raw_writel((val), &regs->reg)
-
-static int write_prescale_reg(unsigned long prescale_value)
-{
- wdt_reg_write(prescale_lock, PRESCALE_LOCK_1);
- if ((wdt_reg_read(prescale_lock) & 0x3) != 0x1)
- return -1;
-
- wdt_reg_write(prescale_lock, PRESCALE_LOCK_2);
- if ((wdt_reg_read(prescale_lock) & 0x3) != 0x3)
- return -1;
-
- wdt_reg_write(prescale, prescale_value);
-
- return 0;
-}
-
-static int write_change_reg(unsigned long initial_timer_value)
-{
- wdt_reg_write(change_lock, CHANGE_LOCK_1);
- if ((wdt_reg_read(change_lock) & 0x3) != 0x1)
- return -1;
-
- wdt_reg_write(change_lock, CHANGE_LOCK_2);
- if ((wdt_reg_read(change_lock) & 0x3) != 0x3)
- return -1;
-
- wdt_reg_write(change, initial_timer_value);
-
- return 0;
-}
-
-static int wdt_control(unsigned long disable_value)
-{
- wdt_reg_write(disable_lock, DISABLE_LOCK_1);
- if ((wdt_reg_read(disable_lock) & 0x3) != 0x1)
- return -1;
-
- wdt_reg_write(disable_lock, DISABLE_LOCK_2);
- if ((wdt_reg_read(disable_lock) & 0x3) != 0x2)
- return -1;
-
- wdt_reg_write(disable_lock, DISABLE_LOCK_3);
- if ((wdt_reg_read(disable_lock) & 0x3) != 0x3)
- return -1;
-
- wdt_reg_write(disable, disable_value);
- return 0;
-}
-
-static int wdt_set_period(unsigned long msec)
-{
- unsigned long change_value, count_value;
- unsigned long prescale_value = 1;
- unsigned long refclk_khz, maxdiv;
- int ret;
-
- refclk_khz = clk_get_rate(TNETV107X_LPSC_WDT_ARM);
- maxdiv = (MAX_DIV / refclk_khz);
-
- if ((!msec) || (msec > maxdiv))
- return -1;
-
- count_value = refclk_khz * msec;
- if (count_value > 0xffff) {
- change_value = count_value / 0xffff + 1;
- prescale_value = count_value / change_value;
- } else {
- change_value = count_value;
- }
-
- ret = write_prescale_reg(prescale_value - 1);
- if (ret)
- return ret;
-
- ret = write_change_reg(change_value);
- if (ret)
- return ret;
-
- return 0;
-}
-
-unsigned long last_wdt = -1;
-
-int wdt_start(unsigned long msecs)
-{
- int ret;
- ret = wdt_control(0);
- if (ret)
- return ret;
- ret = wdt_set_period(msecs);
- if (ret)
- return ret;
- ret = wdt_control(1);
- if (ret)
- return ret;
- ret = wdt_kick();
- last_wdt = msecs;
- return ret;
-}
-
-int wdt_stop(void)
-{
- last_wdt = -1;
- return wdt_control(0);
-}
-
-int wdt_kick(void)
-{
- wdt_reg_write(kick_lock, KICK_LOCK_1);
- if ((wdt_reg_read(kick_lock) & 0x3) != 0x1)
- return -1;
-
- wdt_reg_write(kick_lock, KICK_LOCK_2);
- if ((wdt_reg_read(kick_lock) & 0x3) != 0x3)
- return -1;
-
- wdt_reg_write(kick, 1);
- return 0;
-}
-
-void reset_cpu(ulong addr)
-{
- clk_enable(TNETV107X_LPSC_WDT_ARM);
- wdt_start(1);
- wdt_kick();
-}
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