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kmp204x/qrio: support for setting the CPU reset request mode

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To acheive this, the qrio_uprstreq() function that sets the UPRSTREQN
flag in the qrio RESCNF reg is added.

Signed-off-by: Rainer Boschung <rainer.boschung@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Boschung, Rainer 2014-06-03 09:05:19 +02:00 committed by York Sun
parent a09f470d49
commit 6caa185abd
2 changed files with 22 additions and 0 deletions
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5
board/keymile/kmp204x/kmp204x.h
View file

@ -27,4 +27,9 @@ void qrio_enable_app_buffer(void);
void qrio_cpuwd_flag(bool flag);
int qrio_reset_reason(void);
#define UPREQ_UNIT_RST 0x0
#define UPREQ_CORE_RST 0x1
void qrio_uprstreq(u8 mode);
void pci_of_setup(void *blob, bd_t *bd);

17
board/keymile/kmp204x/qrio.c
View file

@ -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);
}