Introduce hart disabled parameter in platform.

As of now, uboot doesn't have support for SMP.
Moreover, unleashed board has a E51 hart which
doesn't not support S mode.

We should only boot only 1 non-zero hart.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Atish Patra
2018-12-21 11:29:28 -08:00
parent a6a5bb22a8
commit 88b173b33b
8 changed files with 24 additions and 7 deletions

View File

@@ -81,6 +81,7 @@ struct sbi_platform platform = {
.hart_count = PLAT_HART_COUNT,
.hart_stack_size = PLAT_HART_STACK_SIZE,
.disabled_hart_mask = 0,
.console_init = k210_console_init,
.console_putc = k210_console_putc,

View File

@@ -104,6 +104,7 @@ struct sbi_platform platform = {
.features = SBI_PLATFORM_DEFAULT_FEATURES,
.hart_count = PLAT_HART_COUNT,
.hart_stack_size = PLAT_HART_STACK_SIZE,
.disabled_hart_mask = 0,
.pmp_region_count = sifive_u_pmp_region_count,
.pmp_region_info = sifive_u_pmp_region_info,
.cold_final_init = sifive_u_cold_final_init,

View File

@@ -105,6 +105,7 @@ struct sbi_platform platform = {
.features = SBI_PLATFORM_DEFAULT_FEATURES,
.hart_count = PLAT_HART_COUNT,
.hart_stack_size = PLAT_HART_STACK_SIZE,
.disabled_hart_mask = 0,
.pmp_region_count = virt_pmp_region_count,
.pmp_region_info = virt_pmp_region_info,
.cold_final_init = virt_cold_final_init,

View File

@@ -27,6 +27,8 @@
#define SIFIVE_U_UART1_ADDR 0x10011000
#define SIFIVE_UART_BAUDRATE 115200
#define SIFIVE_U_HARITD_ENABLED 1
/* PRCI clock related macros */
//TODO: Do we need a separate driver for this ?
#define SIFIVE_PRCI_BASE_ADDR 0x10000000
@@ -122,6 +124,7 @@ struct sbi_platform platform = {
.features = SBI_PLATFORM_DEFAULT_FEATURES,
.hart_count = PLAT_HART_COUNT,
.hart_stack_size = PLAT_HART_STACK_SIZE,
.disabled_hart_mask = ~(1 << SIFIVE_U_HARITD_ENABLED),
.pmp_region_count = sifive_u_pmp_region_count,
.pmp_region_info = sifive_u_pmp_region_info,
.cold_final_init = sifive_u_cold_final_init,