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

2023-07-18 Thread Stefan Roese

On 6/25/23 21:35, Angelo Dureghello wrote:

Move watchdog functions inside a separate watchdog driver.

Signed-off-by: Angelo Dureghello 
---
  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(-)


Now this is a nice diff-stat. Thanks for cleaning this up and moving
all this stuff into the watchdog driver. And again, please double-check,
if the hw_foo stuff (now in the wdt driver) can be completely removed.

Reviewed-by: Stefan Roese 

Thanks,
Stefan


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 
  #include 
  #include 
-#include 
  #include 
  #include 
  #include 
@@ -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(>sr, 0x);
-   asm("nop");
-   out_be16(>sr, 0x);
-}
-
-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(>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(>mr, wdog_module);
-
-   out_be16(>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 
  #include 
  #include 
-#include 
  #include 
  #include 
  #include 
@@ -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(>sr, 0x);
-   out_be16(>sr, 0x);
-}
-
-int watchdog_disable(void)
-{
-   wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
-
-   /* reset watchdog counter */
-   out_be16(>sr, 0x);
-   out_be16(>sr, 0x);
-   /* disable watchdog timer */
-   out_be16(>cr, 0);
-
-   puts("WATCHDOG:disabled\n");
-   return (0);
-}
-
-int watchdog_init(void)
-{
-   wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
-
-   /* disable watchdog */
-   out_be16(>cr, 0);
-
-   /* set timeout and enable watchdog */
-   out_be16(>mr,
-   (CONFIG_WATCHDOG_TIMEOUT_MSECS * CONFIG_SYS_HZ) / (32768 * 
1000) - 1);
-
-   /* reset watchdog counter */
-   out_be16(>sr, 0x);
-   out_be16(>sr, 0x);
-
-   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 
  #include 
  #include 
-#include 
  #include 
  #include 
  #include 
@@ -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(>sr, 0x);
-   out_be16(>sr, 0x);
-}
-
-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(>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(>mr, wdog_module / 8192);
-#else
-  

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

2023-06-25 Thread Angelo Dureghello
Move watchdog functions inside a separate watchdog driver.

Signed-off-by: Angelo Dureghello 
---
 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 
 #include 
 #include 
-#include 
 #include 
 #include 
 #include 
@@ -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(>sr, 0x);
-   asm("nop");
-   out_be16(>sr, 0x);
-}
-
-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(>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(>mr, wdog_module);
-
-   out_be16(>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 
 #include 
 #include 
-#include 
 #include 
 #include 
 #include 
@@ -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(>sr, 0x);
-   out_be16(>sr, 0x);
-}
-
-int watchdog_disable(void)
-{
-   wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
-
-   /* reset watchdog counter */
-   out_be16(>sr, 0x);
-   out_be16(>sr, 0x);
-   /* disable watchdog timer */
-   out_be16(>cr, 0);
-
-   puts("WATCHDOG:disabled\n");
-   return (0);
-}
-
-int watchdog_init(void)
-{
-   wdog_t *wdt = (wdog_t *)(MMAP_WDOG);
-
-   /* disable watchdog */
-   out_be16(>cr, 0);
-
-   /* set timeout and enable watchdog */
-   out_be16(>mr,
-   (CONFIG_WATCHDOG_TIMEOUT_MSECS * CONFIG_SYS_HZ) / (32768 * 
1000) - 1);
-
-   /* reset watchdog counter */
-   out_be16(>sr, 0x);
-   out_be16(>sr, 0x);
-
-   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 
 #include 
 #include 
-#include 
 #include 
 #include 
 #include 
@@ -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(>sr, 0x);
-   out_be16(>sr, 0x);
-}
-
-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(>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(>mr, wdog_module / 8192);
-#else
-   out_be16(>mr, wdog_module / 4096);
-#endif
-
-   out_be16(>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:
--