diff options
| author | Anup Patel <anup.patel@wdc.com> | 2021-04-22 11:53:32 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2021-04-28 17:25:00 +0530 |
| commit | 043d088e3964ec64b091f739e2282f53f7d264fb (patch) | |
| tree | e5ec82451c097df3f3416ec077752527d81107a7 /platform/kendryte | |
| parent | dc39c7b630a607b96c25f8ea50f0bb1af619928a (diff) | |
lib: sbi: Simplify system reset platform operations
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>
Diffstat (limited to 'platform/kendryte')
| -rw-r--r-- | platform/kendryte/k210/platform.c | 52 |
1 files changed, 33 insertions, 19 deletions
diff --git a/platform/kendryte/k210/platform.c b/platform/kendryte/k210/platform.c index 4b89939..66a0392 100644 --- a/platform/kendryte/k210/platform.c +++ b/platform/kendryte/k210/platform.c @@ -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, }; |