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lib: utils: Allow PLIC functions to be used for multiple PLICs

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We extend all PLIC functions to have a "struct plic_data *"
parameter pointing to PLIC details. This allows platforms to
use these functions for multiple PLIC instances.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-05-12 12:57:52 +05:30
committed by Anup Patel
parent 73d6ef3b29
commit 446a9c6d1e
12 changed files with 127 additions and 82 deletions
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20
platform/template/platform.c
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@@ -17,6 +17,19 @@
#include <sbi_utils/serial/uart8250.h>
#include <sbi_utils/sys/clint.h>
#define PLATFORM_PLIC_ADDR 0xc000000
#define PLATFORM_PLIC_NUM_SOURCES 128
#define PLATFORM_HART_COUNT 4
#define PLATFORM_CLINT_ADDR 0x2000000
#define PLATFORM_UART_ADDR 0x09000000
#define PLATFORM_UART_INPUT_FREQ 10000000
#define PLATFORM_UART_BAUDRATE 115200
static struct plic_data plic = {
.addr = PLATFORM_PLIC_ADDR,
.num_src = PLATFORM_PLIC_NUM_SOURCES,
};
/*
* Platform early initialization.
*/
@@ -39,7 +52,7 @@ static int platform_final_init(bool cold_boot)
static int platform_console_init(void)
{
/* Example if the generic UART8250 driver is used */
return uart8250_init(PLATFORM_UART_ADDR, PLATFORM_UART_SHIFTREG_ADDR,
return uart8250_init(PLATFORM_UART_ADDR, PLATFORM_UART_INPUT_FREQ,
PLATFORM_UART_BAUDRATE, 0, 1);
}
@@ -70,13 +83,12 @@ static int platform_irqchip_init(bool cold_boot)
/* Example if the generic PLIC driver is used */
if (cold_boot) {
ret = plic_cold_irqchip_init(PLATFORM_PLIC_ADDR,
PLATFORM_PLIC_NUM_SOURCES);
ret = plic_cold_irqchip_init(&plic);
if (ret)
return ret;
}
return plic_warm_irqchip_init(2 * hartid, 2 * hartid + 1);
return plic_warm_irqchip_init(&plic, 2 * hartid, 2 * hartid + 1);
}
/*