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| author | Bob Liu <lliubbo@gmail.com> | 2011-12-27 15:05:53 +0800 |
|---|---|---|
| committer | sonic <sonic@sonic-linuxvm.(none)> | 2013-03-04 13:42:07 +0800 |
| commit | 49c2da53b7aa63f68118fa9ffa5c5e546440ebb2 (patch) | |
| tree | 3034e5856175c7e276b1425a1a28e493b1ad99b3 /arch/blackfin | |
| parent | 4a207e8b9a1ecc3e87d5a63bb5442dbcd50bd4b6 (diff) | |
| download | talos-obmc-uboot-49c2da53b7aa63f68118fa9ffa5c5e546440ebb2.tar.gz talos-obmc-uboot-49c2da53b7aa63f68118fa9ffa5c5e546440ebb2.zip | |
blackfin: bf60x: add hw watchdog support
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/cpu/initcode.c | 13 | ||||
| -rw-r--r-- | arch/blackfin/cpu/start.S | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/blackfin/cpu/initcode.c b/arch/blackfin/cpu/initcode.c index a717148651..ce9a43598c 100644 --- a/arch/blackfin/cpu/initcode.c +++ b/arch/blackfin/cpu/initcode.c @@ -461,8 +461,21 @@ program_early_devices(ADI_BOOT_DATA *bs, uint *sdivB, uint *divB, uint *vcoB) */ if (CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_BYPASS) { serial_putc('e'); +#ifdef __ADSPBF60x__ + bfin_write_SEC_GCTL(0x2); + SSYNC(); + bfin_write_SEC_FCTL(0xc1); + bfin_write_SEC_SCTL(2, bfin_read_SEC_SCTL(2) | 0x6); + + bfin_write_SEC_CCTL(0x2); + SSYNC(); + bfin_write_SEC_GCTL(0x1); + bfin_write_SEC_CCTL(0x1); +#endif bfin_write_WDOG_CNT(MSEC_TO_SCLK(CONFIG_HW_WATCHDOG_TIMEOUT_INITCODE)); +#if CONFIG_BFIN_BOOT_MODE != BFIN_BOOT_UART bfin_write_WDOG_CTL(0); +#endif serial_putc('f'); } #endif diff --git a/arch/blackfin/cpu/start.S b/arch/blackfin/cpu/start.S index 90b4d1ae94..7155fc858b 100644 --- a/arch/blackfin/cpu/start.S +++ b/arch/blackfin/cpu/start.S @@ -65,6 +65,7 @@ ENTRY(_start) p5.h = HI(COREMMR_BASE); #ifdef CONFIG_HW_WATCHDOG +#ifndef __ADSPBF60x__ # ifndef CONFIG_HW_WATCHDOG_TIMEOUT_START # define CONFIG_HW_WATCHDOG_TIMEOUT_START 5000 # endif @@ -78,6 +79,7 @@ ENTRY(_start) /* fire up the watchdog - R0.L above needs to be 0x0000 */ W[p4 + (WDOG_CTL - SYSMMR_BASE)] = r0; #endif +#endif /* Turn on the serial for debugging the init process */ serial_early_init |
