[PATCH 2/5] m68k: move watchdog functions in mcf_wdt driver

Angelo Dureghello
2023-06-25T19:36:22Z

Move watchdog functions inside a separate watchdog driver.

Signed-off-by: Angelo Dureghello <angelo@kernel-space.org>
---
arch/m68k/cpu/mcf523x/cpu.c | 42 ---------------------------------
arch/m68k/cpu/mcf52x2/cpu.c | 47 +------------------------------------
arch/m68k/cpu/mcf532x/cpu.c | 44 ----------------------------------
3 files changed, 1 insertion(+), 132 deletions(-)

diff --git a/arch/m68k/cpu/mcf523x/cpu.c b/arch/m68k/cpu/mcf523x/cpu.c
index ba2c228911..bef67767b4 100644
--- a/arch/m68k/cpu/mcf523x/cpu.c
+++ b/arch/m68k/cpu/mcf523x/cpu.c
@@ -12,7 +12,6 @@
#include <init.h>
#include <net.h>
#include <vsprintf.h>
-#include <watchdog.h>
#include <command.h>
#include <netdev.h>
#include <asm/global_data.h>
@@ -62,47 +61,6 @@ int print_cpuinfo(void)
};
#endif /* CONFIG_DISPLAY_CPUINFO */

-#if defined(CONFIG_WATCHDOG)
-/* Called by macro WATCHDOG_RESET */
-void watchdog_reset(void)
-{
- wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
-
- /* Count register */
- out_be16(&wdp->sr, 0x5555);
- asm("nop");
- out_be16(&wdp->sr, 0xaaaa);
-}
-
-int watchdog_disable(void)
-{
- wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
-
- /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
- /* halted watchdog timer */
- setbits_be16(&wdp->cr, WTM_WCR_HALTED);
-
- puts("WATCHDOG:disabled\n");
- return (0);
-}
-
-int watchdog_init(void)
-{
- wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
- u32 wdog_module = 0;
-
- /* set timeout and enable watchdog */
- wdog_module = ((CFG_SYS_CLK / CONFIG_SYS_HZ) * CONFIG_WATCHDOG_TIMEOUT_MSECS);
- wdog_module |= (wdog_module / 8192);
- out_be16(&wdp->mr, wdog_module);
-
- out_be16(&wdp->cr, WTM_WCR_EN);
- puts("WATCHDOG:enabled\n");
-
- return (0);
-}
-#endif /* CONFIG_WATCHDOG */
-
#if defined(CONFIG_MCFFEC)
/* Default initializations for MCFFEC controllers. To override,
* create a board-specific function called:
diff --git a/arch/m68k/cpu/mcf52x2/cpu.c b/arch/m68k/cpu/mcf52x2/cpu.c
index d7cbf11e25..5042a38b3e 100644
--- a/arch/m68k/cpu/mcf52x2/cpu.c
+++ b/arch/m68k/cpu/mcf52x2/cpu.c
@@ -17,7 +17,6 @@
#include <init.h>
#include <net.h>
#include <vsprintf.h>
-#include <watchdog.h>
#include <command.h>
#include <asm/global_data.h>
#include <asm/immap.h>
@@ -53,51 +52,7 @@ int print_cpuinfo(void)
return 0;
};
#endif /* CONFIG_DISPLAY_CPUINFO */
-
-#if defined(CONFIG_WATCHDOG)
-/* Called by macro WATCHDOG_RESET */
-void watchdog_reset(void)
-{
- wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
-
- out_be16(&wdt->sr, 0x5555);
- out_be16(&wdt->sr, 0xaaaa);
-}
-
-int watchdog_disable(void)
-{
- wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
-
- /* reset watchdog counter */
- out_be16(&wdt->sr, 0x5555);
- out_be16(&wdt->sr, 0xaaaa);
- /* disable watchdog timer */
- out_be16(&wdt->cr, 0);
-
- puts("WATCHDOG:disabled\n");
- return (0);
-}
-
-int watchdog_init(void)
-{
- wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
-
- /* disable watchdog */
- out_be16(&wdt->cr, 0);
-
- /* set timeout and enable watchdog */
- out_be16(&wdt->mr,
- (CONFIG_WATCHDOG_TIMEOUT_MSECS * CONFIG_SYS_HZ) / (32768 * 1000) - 1);
-
- /* reset watchdog counter */
- out_be16(&wdt->sr, 0x5555);
- out_be16(&wdt->sr, 0xaaaa);
-
- puts("WATCHDOG:enabled\n");
- return (0);
-}
-#endif /* #ifdef CONFIG_WATCHDOG */
-#endif /* #ifdef CONFIG_M5208 */
+#endif /* #ifdef CONFIG_M5208 */

#ifdef CONFIG_M5271
#if defined(CONFIG_DISPLAY_CPUINFO)
diff --git a/arch/m68k/cpu/mcf532x/cpu.c b/arch/m68k/cpu/mcf532x/cpu.c
index 548cbca36a..18d20a8926 100644
--- a/arch/m68k/cpu/mcf532x/cpu.c
+++ b/arch/m68k/cpu/mcf532x/cpu.c
@@ -12,7 +12,6 @@
#include <init.h>
#include <net.h>
#include <vsprintf.h>
-#include <watchdog.h>
#include <command.h>
#include <netdev.h>
#include <asm/global_data.h>
@@ -102,49 +101,6 @@ int print_cpuinfo(void)
};
#endif /* CONFIG_DISPLAY_CPUINFO */

-#if defined(CONFIG_WATCHDOG)
-/* Called by macro WATCHDOG_RESET */
-void watchdog_reset(void)
-{
- wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
-
- /* Count register */
- out_be16(&wdp->sr, 0x5555);
- out_be16(&wdp->sr, 0xaaaa);
-}
-
-int watchdog_disable(void)
-{
- wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
-
- /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
- /* halted watchdog timer */
- setbits_be16(&wdp->cr, WTM_WCR_HALTED);
-
- puts("WATCHDOG:disabled\n");
- return (0);
-}
-
-int watchdog_init(void)
-{
- wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
- u32 wdog_module = 0;
-
- /* set timeout and enable watchdog */
- wdog_module = ((CFG_SYS_CLK / 1000) * CONFIG_WATCHDOG_TIMEOUT_MSECS);
-#ifdef CONFIG_M5329
- out_be16(&wdp->mr, wdog_module / 8192);
-#else
- out_be16(&wdp->mr, wdog_module / 4096);
-#endif
-
- out_be16(&wdp->cr, WTM_WCR_EN);
- puts("WATCHDOG:enabled\n");
-
- return (0);
-}
-#endif /* CONFIG_WATCHDOG */
-
#if defined(CONFIG_MCFFEC)
/* Default initializations for MCFFEC controllers. To override,
* create a board-specific function called:
--
2.41.0