forked from Mirrors/opensbi
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>
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@@ -12,6 +12,7 @@
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#include <sbi/sbi_console.h>
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#include <sbi/sbi_const.h>
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#include <sbi/sbi_platform.h>
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#include <sbi/sbi_system.h>
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#include <sbi_utils/fdt/fdt_fixup.h>
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#include <sbi_utils/irqchip/plic.h>
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#include <sbi_utils/serial/sifive-uart.h>
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@@ -68,6 +69,36 @@ static u32 k210_get_clk_freq(void)
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return pll0_freq / div;
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}
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static int k210_system_reset_check(u32 type, u32 reason)
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{
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return 1;
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}
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static void k210_system_reset(u32 type, u32 reason)
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{
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u32 val;
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val = k210_read_sysreg(K210_RESET);
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val |= K210_RESET_MASK;
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k210_write_sysreg(val, K210_RESET);
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while (1);
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}
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static struct sbi_system_reset_device k210_reset = {
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.name = "kendryte_k210_reset",
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.system_reset_check = k210_system_reset_check,
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.system_reset = k210_system_reset
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};
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static int k210_early_init(bool cold_boot)
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{
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if (cold_boot)
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sbi_system_reset_set_device(&k210_reset);
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return 0;
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}
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static int k210_final_init(bool cold_boot)
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{
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void *fdt;
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@@ -129,23 +160,9 @@ static int k210_timer_init(bool cold_boot)
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return clint_warm_timer_init();
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}
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static int k210_system_reset_check(u32 type, u32 reason)
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{
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return 1;
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}
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static void k210_system_reset(u32 type, u32 reason)
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{
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u32 val;
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val = k210_read_sysreg(K210_RESET);
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val |= K210_RESET_MASK;
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k210_write_sysreg(val, K210_RESET);
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while (1);
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}
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const struct sbi_platform_operations platform_ops = {
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.early_init = k210_early_init,
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.final_init = k210_final_init,
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.console_init = k210_console_init,
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@@ -154,9 +171,6 @@ const struct sbi_platform_operations platform_ops = {
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.ipi_init = k210_ipi_init,
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.system_reset_check = k210_system_reset_check,
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.system_reset = k210_system_reset,
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.timer_init = k210_timer_init,
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};
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