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clk: rockchip: rv1108: add cru regs dump for panic

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Add cru regs dump when system panic.
It's just for debug.

Change-Id: Ic4efc985892cbcc5e561203fe8e00dba116439e7
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
This commit is contained in:
Elaine Zhang
2019-03-26 15:37:13 +08:00
committed by Tao Huang
parent d6dd9a5f48
commit 562e25f49e
1 changed files with 17 additions and 0 deletions
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17
drivers/clk/rockchip/clk-rv1108.c
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@@ -784,6 +784,18 @@ static const char *const rv1108_critical_clocks[] __initconst = {
"pclk_pmu",
};
static void __iomem *rv1108_cru_base;
static void rv1108_dump_cru(void)
{
if (rv1108_cru_base) {
pr_warn("CRU:\n");
print_hex_dump(KERN_WARNING, "", DUMP_PREFIX_OFFSET,
32, 4, rv1108_cru_base,
0x1f8, false);
}
}
static void __init rv1108_clk_init(struct device_node *np)
{
struct rockchip_clk_provider *ctx;
@@ -821,5 +833,10 @@ static void __init rv1108_clk_init(struct device_node *np)
rockchip_register_restart_notifier(ctx, RV1108_GLB_SRST_FST, NULL);
rockchip_clk_of_add_provider(np, ctx);
if (!rk_dump_cru) {
rv1108_cru_base = reg_base;
rk_dump_cru = rv1108_dump_cru;
}
}
CLK_OF_DECLARE(rv1108_cru, "rockchip,rv1108-cru", rv1108_clk_init);