From 807d93d6de5f54cfdcc98bb6c392b2b1f4237dc8 Mon Sep 17 00:00:00 2001 From: "Boschung, Rainer" Date: Tue, 3 Jun 2014 09:05:17 +0200 Subject: kmp204x/qrio: prepare support for the CPU watchdog reset reason To achieve this, the qrio_cpuwd_flag() function that sets the CPU watchdog flag in the REASON1 reg is added. Signed-off-by: Rainer Boschung Signed-off-by: Valentin Longchamp Reviewed-by: York Sun --- board/keymile/kmp204x/qrio.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'board/keymile/kmp204x/qrio.c') diff --git a/board/keymile/kmp204x/qrio.c b/board/keymile/kmp204x/qrio.c index b6ba93ada8..92e8022731 100644 --- a/board/keymile/kmp204x/qrio.c +++ b/board/keymile/kmp204x/qrio.c @@ -173,3 +173,18 @@ void qrio_enable_app_buffer(void) ctrll |= (CTRLL_WRB_BUFENA); out_8(qrio_base + CTRLL_OFF, ctrll); } + +#define REASON1_OFF 0x12 +#define REASON1_CPUWD 0x01 + +void qrio_cpuwd_flag(bool flag) +{ + u8 reason1; + void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; + reason1 = in_8(qrio_base + REASON1_OFF); + if (flag) + reason1 |= REASON1_CPUWD; + else + reason1 &= ~REASON1_CPUWD; + out_8(qrio_base + REASON1_OFF, reason1); +} -- cgit v1.2.3 From 6caa185abd8bc42362c576a571792d5c63fa349d Mon Sep 17 00:00:00 2001 From: "Boschung, Rainer" Date: Tue, 3 Jun 2014 09:05:19 +0200 Subject: kmp204x/qrio: support for setting the CPU reset request mode To acheive this, the qrio_uprstreq() function that sets the UPRSTREQN flag in the qrio RESCNF reg is added. Signed-off-by: Rainer Boschung Signed-off-by: Valentin Longchamp Reviewed-by: York Sun --- board/keymile/kmp204x/qrio.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'board/keymile/kmp204x/qrio.c') diff --git a/board/keymile/kmp204x/qrio.c b/board/keymile/kmp204x/qrio.c index 92e8022731..edf3bf11a8 100644 --- a/board/keymile/kmp204x/qrio.c +++ b/board/keymile/kmp204x/qrio.c @@ -188,3 +188,20 @@ void qrio_cpuwd_flag(bool flag) reason1 &= ~REASON1_CPUWD; out_8(qrio_base + REASON1_OFF, reason1); } + +#define RSTCFG_OFF 0x11 + +void qrio_uprstreq(u8 mode) +{ + u32 rstcfg; + void __iomem *qrio_base = (void *)CONFIG_SYS_QRIO_BASE; + + rstcfg = in_8(qrio_base + RSTCFG_OFF); + + if (mode & UPREQ_CORE_RST) + rstcfg |= UPREQ_CORE_RST; + else + rstcfg &= ~UPREQ_CORE_RST; + + out_8(qrio_base + RSTCFG_OFF, rstcfg); +} -- cgit v1.2.3