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| author | Anup Patel <anup.patel@wdc.com> | 2020-04-24 12:26:23 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2020-04-27 14:37:57 +0530 |
| commit | 6585fabbcca24bf1c1df0582d048d93b3caf7ce7 (patch) | |
| tree | f20de7aa4fde868e508c7128340c97f4ac0f51b1 /platform | |
| parent | a9eac67ad019200e9a281a6fc10e394353a026f2 (diff) | |
lib: utils: Add SiFive test device
This patch factor-out SiFive test device related stuff into
it's own source file from qemu/virt platform. In future, we
can find SiFive test device address from device tree as well.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'platform')
| -rw-r--r-- | platform/qemu/virt/platform.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/platform/qemu/virt/platform.c b/platform/qemu/virt/platform.c index fd4571d..7836bee 100644 --- a/platform/qemu/virt/platform.c +++ b/platform/qemu/virt/platform.c @@ -18,14 +18,13 @@ #include <sbi_utils/irqchip/plic.h> #include <sbi_utils/serial/uart8250.h> #include <sbi_utils/sys/clint.h> +#include <sbi_utils/sys/sifive_test.h> /* clang-format off */ #define VIRT_HART_COUNT 8 #define VIRT_TEST_ADDR 0x100000 -#define VIRT_TEST_FINISHER_FAIL 0x3333 -#define VIRT_TEST_FINISHER_PASS 0x5555 #define VIRT_CLINT_ADDR 0x2000000 @@ -39,6 +38,14 @@ /* clang-format on */ +static int virt_early_init(bool cold_boot) +{ + if (!cold_boot) + return 0; + + return sifive_test_init(VIRT_TEST_ADDR); +} + static int virt_final_init(bool cold_boot) { void *fdt; @@ -100,17 +107,8 @@ static int virt_timer_init(bool cold_boot) return clint_warm_timer_init(); } -static int virt_system_reset(u32 type) -{ - /* Tell the "finisher" that the simulation - * was successful so that QEMU exits - */ - writew(VIRT_TEST_FINISHER_PASS, (void *)VIRT_TEST_ADDR); - - return 0; -} - const struct sbi_platform_operations platform_ops = { + .early_init = virt_early_init, .final_init = virt_final_init, .console_putc = uart8250_putc, .console_getc = uart8250_getc, @@ -123,7 +121,7 @@ const struct sbi_platform_operations platform_ops = { .timer_event_stop = clint_timer_event_stop, .timer_event_start = clint_timer_event_start, .timer_init = virt_timer_init, - .system_reset = virt_system_reset, + .system_reset = sifive_test_system_reset, }; const struct sbi_platform platform = { |