Firmware/opensbi
8
0
Fork 0
forked from Mirrors/opensbi
Code Pull Requests Activity

platform: No need to pass context id for plic fixup.

Browse Source 
PLIC DT entry fixup can be done by comparing external
interrupt number instead of context id. No need to invoke
fixup for each plic context.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Atish Patra
2019-01-09 01:17:41 -08:00
committed by Anup Patel
parent 3075da07b6
commit e0686ca844
5 changed files with 11 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
platform/common/irqchip/plic.c
View File

@@ -8,6 +8,8 @@
*/
#include <sbi/riscv_io.h>
#include <sbi/riscv_encoding.h>
#include <sbi/sbi_console.h>
#include <plat/tinyfdt.h>
#include <plat/irqchip/plic.h>
#include <string.h>
@@ -50,7 +52,6 @@ static void plic_fdt_fixup_prop(const struct fdt_node *node,
{
u32 *cells;
u32 i, cells_count;
u32 *cntx_id = priv;
if (!prop)
return;
@@ -63,15 +64,15 @@ static void plic_fdt_fixup_prop(const struct fdt_node *node,
if (!cells_count)
return;
for (i = 0; i < cells_count; i++) {
if (((i % 2) == 1) && ((i / 2) == *cntx_id))
cells[i] = fdt_rev32(0xffffffff);
for (i = 0; i < (cells_count/2); i++) {
if (fdt_rev32(cells[2*i+1]) == IRQ_M_EXT)
cells[2*i+1] = fdt_rev32(0xffffffff);
}
}
void plic_fdt_fixup(void *fdt, const char *compat, u32 cntx_id)
void plic_fdt_fixup(void *fdt, const char *compat)
{
fdt_compat_node_prop(fdt, compat, plic_fdt_fixup_prop, &cntx_id);
fdt_compat_node_prop(fdt, compat, plic_fdt_fixup_prop, NULL);
}
int plic_warm_irqchip_init(u32 target_hart,