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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2023-04-03 10:39:59 +0200 |
|---|---|---|
| committer | Christophe Leroy <christophe.leroy@csgroup.eu> | 2023-04-06 14:50:03 +0200 |
| commit | 0fd79138dc2394ea7820f583f8abfa06be0155f9 (patch) | |
| tree | dc0ebf7db5c6bf189755eb8e08477fa535f80ab8 | |
| parent | 26e8ebcd7cb7eabe2d62384b22d3ed9a235cb60e (diff) | |
| download | u-boot-0fd79138dc2394ea7820f583f8abfa06be0155f9.zip u-boot-0fd79138dc2394ea7820f583f8abfa06be0155f9.tar.gz u-boot-0fd79138dc2394ea7820f583f8abfa06be0155f9.tar.bz2 | |
watchdog: mpc8xxx: Add support for mpc83xx
Introduce a new compatible "fsl,pq2pro-wdt"
On mpc83xx, the prescaling factor is 0x10000.
Don't write the watchdog configuration register in
start.S as it can be written only once.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
| -rw-r--r-- | arch/powerpc/cpu/mpc83xx/cpu.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc83xx/start.S | 2 | ||||
| -rw-r--r-- | drivers/watchdog/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/watchdog/mpc8xxx_wdt.c | 1 |
4 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/cpu/mpc83xx/cpu.c b/arch/powerpc/cpu/mpc83xx/cpu.c index a6c0635..f6ffe29 100644 --- a/arch/powerpc/cpu/mpc83xx/cpu.c +++ b/arch/powerpc/cpu/mpc83xx/cpu.c @@ -165,7 +165,7 @@ unsigned long get_tbclk(void) } #endif -#if defined(CONFIG_WATCHDOG) +#if defined(CONFIG_WATCHDOG) && !defined(CONFIG_WDT) void watchdog_reset (void) { int re_enable = disable_interrupts(); diff --git a/arch/powerpc/cpu/mpc83xx/start.S b/arch/powerpc/cpu/mpc83xx/start.S index e3878e4..4329b17 100644 --- a/arch/powerpc/cpu/mpc83xx/start.S +++ b/arch/powerpc/cpu/mpc83xx/start.S @@ -483,6 +483,7 @@ init_e300_core: /* time t 10 */ lis r3, CONFIG_SYS_IMMR@h +#ifndef CONFIG_WDT_MPC8xxx #if defined(CONFIG_WATCHDOG) /* Initialise the Watchdog values and reset it (if req) */ /*------------------------------------------------------*/ @@ -508,6 +509,7 @@ init_e300_core: /* time t 10 */ stw r4, SWCRR(r3) 1: #endif /* CONFIG_WATCHDOG */ +#endif #if defined(CONFIG_MASK_AER_AO) /* Write the Arbiter Event Enable to mask Address Only traps. */ diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index f7fbb28..f776759 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -186,7 +186,7 @@ config WDT_MESON_GXBB config WDT_MPC8xxx bool "MPC8xxx watchdog timer support" - depends on WDT && MPC8xx + depends on WDT && (MPC8xx || MPC83xx) help Select this to enable mpc8xxx watchdog timer diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c index 9a29938..f28636c 100644 --- a/drivers/watchdog/mpc8xxx_wdt.c +++ b/drivers/watchdog/mpc8xxx_wdt.c @@ -98,6 +98,7 @@ static const struct wdt_ops mpc8xxx_wdt_ops = { static const struct udevice_id mpc8xxx_wdt_ids[] = { { .compatible = "fsl,pq1-wdt", .data = 0x800 }, + { .compatible = "fsl,pq2pro-wdt", .data = 0x10000 }, {} }; |