diff options
| author | Anup Patel <anup.patel@wdc.com> | 2020-05-12 12:57:52 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2020-05-23 10:36:29 +0530 |
| commit | 446a9c6d1eb97fcedd6a94ac76d15e941a6087a8 (patch) | |
| tree | b8b8d6e8fec3fb2caf01913b0f2139c4f8695846 /platform/template | |
| parent | 73d6ef3b2933ccf0b3a8a0ba110bf53ad9720b51 (diff) | |
lib: utils: Allow PLIC functions to be used for multiple PLICs
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>
Diffstat (limited to 'platform/template')
| -rw-r--r-- | platform/template/platform.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/platform/template/platform.c b/platform/template/platform.c index 3a3bdac..c845380 100644 --- a/platform/template/platform.c +++ b/platform/template/platform.c @@ -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); } /* |