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lib: sbi: Simplify ipi platform operations

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Instead of having ipi_send() and ipi_clear() callbacks in
platform operations, it will be much simpler for ipi driver
to directly register these operations as a device to sbi_ipi
implementation.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Anup Patel
2021-04-22 10:27:15 +05:30
committed by Anup Patel
parent 559a8f1d3b
commit dc39c7b630
18 changed files with 72 additions and 109 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
platform/andes/ae350/platform.c
View File

@@ -12,6 +12,7 @@
#include <sbi/riscv_encoding.h>
#include <sbi/sbi_console.h>
#include <sbi/sbi_const.h>
#include <sbi/sbi_ipi.h>
#include <sbi/sbi_platform.h>
#include <sbi/sbi_trap.h>
#include <sbi_utils/fdt/fdt_fixup.h>
@@ -85,6 +86,12 @@ static int ae350_irqchip_init(bool cold_boot)
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,
.ipi_clear = plicsw_ipi_clear
};
/* Initialize IPI for current HART. */
static int ae350_ipi_init(bool cold_boot)
{
@@ -95,6 +102,8 @@ static int ae350_ipi_init(bool cold_boot)
AE350_HART_COUNT);
if (ret)
return ret;
sbi_ipi_set_device(&plicsw_ipi);
}
return plicsw_warm_ipi_init();
@@ -168,8 +177,6 @@ const struct sbi_platform_operations platform_ops = {
.irqchip_init = ae350_irqchip_init,
.ipi_init = ae350_ipi_init,
.ipi_send = plicsw_ipi_send,
.ipi_clear = plicsw_ipi_clear,
.timer_init = ae350_timer_init,

2
platform/fpga/ariane/platform.c
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@@ -156,8 +156,6 @@ const struct sbi_platform_operations platform_ops = {
.console_init = ariane_console_init,
.irqchip_init = ariane_irqchip_init,
.ipi_init = ariane_ipi_init,
.ipi_send = clint_ipi_send,
.ipi_clear = clint_ipi_clear,
.timer_init = ariane_timer_init,
};

2
platform/fpga/openpiton/platform.c
View File

@@ -182,8 +182,6 @@ const struct sbi_platform_operations platform_ops = {
.console_init = openpiton_console_init,
.irqchip_init = openpiton_irqchip_init,
.ipi_init = openpiton_ipi_init,
.ipi_send = clint_ipi_send,
.ipi_clear = clint_ipi_clear,
.timer_init = openpiton_timer_init,
};

2
platform/generic/platform.c
View File

@@ -213,8 +213,6 @@ const struct sbi_platform_operations platform_ops = {
.console_init = fdt_serial_init,
.irqchip_init = fdt_irqchip_init,
.irqchip_exit = fdt_irqchip_exit,
.ipi_send = fdt_ipi_send,
.ipi_clear = fdt_ipi_clear,
.ipi_init = fdt_ipi_init,
.ipi_exit = fdt_ipi_exit,
.get_tlbr_flush_limit = generic_tlbr_flush_limit,

2
platform/kendryte/k210/platform.c
View File

@@ -153,8 +153,6 @@ const struct sbi_platform_operations platform_ops = {
.irqchip_init = k210_irqchip_init,
.ipi_init = k210_ipi_init,
.ipi_send = clint_ipi_send,
.ipi_clear = clint_ipi_clear,
.system_reset_check = k210_system_reset_check,
.system_reset = k210_system_reset,

2
platform/nuclei/ux600/platform.c
View File

@@ -204,8 +204,6 @@ const struct sbi_platform_operations platform_ops = {
.final_init = ux600_final_init,
.console_init = ux600_console_init,
.irqchip_init = ux600_irqchip_init,
.ipi_send = clint_ipi_send,
.ipi_clear = clint_ipi_clear,
.ipi_init = ux600_ipi_init,
.timer_init = ux600_timer_init,
.system_reset_check = ux600_system_reset_check,

2
platform/sifive/fu540/platform.c
View File

@@ -158,8 +158,6 @@ const struct sbi_platform_operations platform_ops = {
.final_init = fu540_final_init,
.console_init = fu540_console_init,
.irqchip_init = fu540_irqchip_init,
.ipi_send = clint_ipi_send,
.ipi_clear = clint_ipi_clear,
.ipi_init = fu540_ipi_init,
.get_tlbr_flush_limit = fu540_get_tlbr_flush_limit,
.timer_init = fu540_timer_init,

20
platform/template/platform.c
View File

@@ -98,24 +98,6 @@ static int platform_ipi_init(bool cold_boot)
return clint_warm_ipi_init();
}
/*
* Send IPI to a target HART
*/
static void platform_ipi_send(u32 target_hart)
{
/* Example if the generic CLINT driver is used */
clint_ipi_send(target_hart);
}
/*
* Clear IPI for a target HART.
*/
static void platform_ipi_clear(u32 target_hart)
{
/* Example if the generic CLINT driver is used */
clint_ipi_clear(target_hart);
}
/*
* Initialize platform timer for current HART.
*/
@@ -156,8 +138,6 @@ const struct sbi_platform_operations platform_ops = {
.final_init = platform_final_init,
.console_init = platform_console_init,
.irqchip_init = platform_irqchip_init,
.ipi_send = platform_ipi_send,
.ipi_clear = platform_ipi_clear,
.ipi_init = platform_ipi_init,
.timer_init = platform_timer_init,
.system_reset_check = platform_system_reset_check,