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clk: rockchip: rk3128: add cru regs dump for panic

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

Change-Id: I7f9bc78deef60b1fa48bada5b1a6203185ddce48
Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
This commit is contained in:
Elaine Zhang
2019-03-26 15:37:58 +08:00
committed by Tao Huang
parent 562e25f49e
commit 40a55dc2a4
1 changed files with 13 additions and 0 deletions
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13
drivers/clk/rockchip/clk-rk3128.c
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@@ -588,6 +588,16 @@ void rkclk_cpuclk_div_setting(int div)
rk312x_reg_base + RK2928_CLKSEL_CON(0));
}
static void rk3128_dump_cru(void)
{
if (rk312x_reg_base) {
pr_warn("CRU:\n");
print_hex_dump(KERN_WARNING, "", DUMP_PREFIX_OFFSET,
32, 4, rk312x_reg_base,
0x1f8, false);
}
}
static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device_node *np)
{
struct rockchip_clk_provider *ctx;
@@ -623,6 +633,9 @@ static struct rockchip_clk_provider *__init rk3128_common_clk_init(struct device
rockchip_register_restart_notifier(ctx, RK2928_GLB_SRST_FST, NULL);
if (!rk_dump_cru)
rk_dump_cru = rk3128_dump_cru;
return ctx;
}