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platform: andes/ae350: Use fdt irqchip driver

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Andes PLIC is compatible with plic driver. The PLIC base address and
number of source can be obtained by parsing the device tree.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Yu Chien Peter Lin
2022-10-14 08:32:48 +08:00
committed by Anup Patel
parent 8234fc1bdf
commit 127a3f2ab4
3 changed files with 4 additions and 26 deletions
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3
platform/andes/ae350/Kconfig
View File

@@ -3,13 +3,14 @@
config PLATFORM_ANDES_AE350
bool
select FDT
select IRQCHIP_PLIC
select FDT_SERIAL
select FDT_SERIAL_UART8250
select FDT_TIMER
select FDT_TIMER_PLMT
select FDT_RESET
select FDT_RESET_ATCWDT200
select FDT_IRQCHIP
select FDT_IRQCHIP_PLIC
default y
if PLATFORM_ANDES_AE350

24
platform/andes/ae350/platform.c
View File

@@ -17,7 +17,7 @@
#include <sbi/sbi_trap.h>
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/fdt/fdt_fixup.h>
#include <sbi_utils/irqchip/plic.h>
#include <sbi_utils/irqchip/fdt_irqchip.h>
#include <sbi_utils/reset/fdt_reset.h>
#include <sbi_utils/serial/fdt_serial.h>
#include <sbi_utils/timer/fdt_timer.h>
@@ -25,11 +25,6 @@
#include "plicsw.h"
#include "cache.h"
static struct plic_data plic = {
.addr = AE350_PLIC_ADDR,
.num_src = AE350_PLIC_NUM_SOURCES,
};
/* Platform final initialization. */
static int ae350_final_init(bool cold_boot)
{
@@ -46,21 +41,6 @@ static int ae350_final_init(bool cold_boot)
return 0;
}
/* Initialize the platform interrupt controller for current HART. */
static int ae350_irqchip_init(bool cold_boot)
{
u32 hartid = current_hartid();
int ret;
if (cold_boot) {
ret = plic_cold_irqchip_init(&plic);
if (ret)
return ret;
}
return plic_warm_irqchip_init(&plic, 2 * hartid, 2 * hartid + 1);
}
static struct sbi_ipi_device plicsw_ipi = {
.name = "ae350_plicsw",
.ipi_send = plicsw_ipi_send,
@@ -134,7 +114,7 @@ const struct sbi_platform_operations platform_ops = {
.console_init = fdt_serial_init,
.irqchip_init = ae350_irqchip_init,
.irqchip_init = fdt_irqchip_init,
.ipi_init = ae350_ipi_init,

3
platform/andes/ae350/platform.h
View File

@@ -13,9 +13,6 @@
#define AE350_HART_COUNT 4
#define AE350_PLIC_ADDR 0xe4000000
#define AE350_PLIC_NUM_SOURCES 71
#define AE350_PLICSW_ADDR 0xe6400000
#define AE350_L2C_ADDR 0xe0500000