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lib: sbi: Simplify system reset platform operations

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Instead of having system_reset_check() and system_reset() callbacks
in platform operations, it will be much simpler for reset driver to
directly register these operations as a device to the sbi_system
implementation.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Anup Patel
2021-04-22 11:53:32 +05:30
committed by Anup Patel
parent dc39c7b630
commit 043d088e39
17 changed files with 148 additions and 171 deletions
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52
platform/kendryte/k210/platform.c
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@@ -12,6 +12,7 @@
#include <sbi/sbi_console.h>
#include <sbi/sbi_const.h>
#include <sbi/sbi_platform.h>
#include <sbi/sbi_system.h>
#include <sbi_utils/fdt/fdt_fixup.h>
#include <sbi_utils/irqchip/plic.h>
#include <sbi_utils/serial/sifive-uart.h>
@@ -68,6 +69,36 @@ static u32 k210_get_clk_freq(void)
return pll0_freq / div;
}
static int k210_system_reset_check(u32 type, u32 reason)
{
return 1;
}
static void k210_system_reset(u32 type, u32 reason)
{
u32 val;
val = k210_read_sysreg(K210_RESET);
val |= K210_RESET_MASK;
k210_write_sysreg(val, K210_RESET);
while (1);
}
static struct sbi_system_reset_device k210_reset = {
.name = "kendryte_k210_reset",
.system_reset_check = k210_system_reset_check,
.system_reset = k210_system_reset
};
static int k210_early_init(bool cold_boot)
{
if (cold_boot)
sbi_system_reset_set_device(&k210_reset);
return 0;
}
static int k210_final_init(bool cold_boot)
{
void *fdt;
@@ -129,23 +160,9 @@ static int k210_timer_init(bool cold_boot)
return clint_warm_timer_init();
}
static int k210_system_reset_check(u32 type, u32 reason)
{
return 1;
}
static void k210_system_reset(u32 type, u32 reason)
{
u32 val;
val = k210_read_sysreg(K210_RESET);
val |= K210_RESET_MASK;
k210_write_sysreg(val, K210_RESET);
while (1);
}
const struct sbi_platform_operations platform_ops = {
.early_init = k210_early_init,
.final_init = k210_final_init,
.console_init = k210_console_init,
@@ -154,9 +171,6 @@ const struct sbi_platform_operations platform_ops = {
.ipi_init = k210_ipi_init,
.system_reset_check = k210_system_reset_check,
.system_reset = k210_system_reset,
.timer_init = k210_timer_init,
};