diff options
| author | Manuel Hernández Méndez <[email protected]> | 2025-11-07 07:54:42 +0000 |
|---|---|---|
| committer | Anup Patel <[email protected]> | 2025-12-01 10:41:11 +0530 |
| commit | da05980de6ef4ed47354b9b2ac8b578f67e84039 (patch) | |
| tree | 6ab89e47853faee6153f082f4a4f527169389ebf | |
| parent | c75f468ad5bbab5b6641979cec373d98ecc5be89 (diff) | |
platform: openpiton: use generic early init
Add code for using generic_early_init so that the uart parameters
are parsed from dtb.
Signed-off-by: Manuel Hernández Méndez <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Anup Patel <[email protected]>
| -rw-r--r-- | platform/generic/openhwgroup/openpiton.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/platform/generic/openhwgroup/openpiton.c b/platform/generic/openhwgroup/openpiton.c index 3be66de6..60d719e1 100644 --- a/platform/generic/openhwgroup/openpiton.c +++ b/platform/generic/openhwgroup/openpiton.c @@ -8,16 +8,8 @@ #include <sbi_utils/fdt/fdt_fixup.h> #include <sbi_utils/ipi/aclint_mswi.h> #include <sbi_utils/irqchip/plic.h> -#include <sbi_utils/serial/uart8250.h> #include <sbi_utils/timer/aclint_mtimer.h> -#define OPENPITON_DEFAULT_UART_ADDR 0xfff0c2c000ULL -#define OPENPITON_DEFAULT_UART_FREQ 60000000 -#define OPENPITON_DEFAULT_UART_BAUDRATE 115200 -#define OPENPITON_DEFAULT_UART_REG_SHIFT 0 -#define OPENPITON_DEFAULT_UART_REG_WIDTH 1 -#define OPENPITON_DEFAULT_UART_REG_OFFSET 0 -#define OPENPITON_DEFAULT_UART_CAPS 0 #define OPENPITON_DEFAULT_PLIC_ADDR 0xfff1100000ULL #define OPENPITON_DEFAULT_PLIC_SIZE (0x200000 + \ (OPENPITON_DEFAULT_HART_COUNT * 0x1000)) @@ -30,11 +22,6 @@ #define OPENPITON_DEFAULT_ACLINT_MTIMER_ADDR \ (OPENPITON_DEFAULT_CLINT_ADDR + CLINT_MTIMER_OFFSET) -static struct platform_uart_data uart = { - (unsigned long)OPENPITON_DEFAULT_UART_ADDR, - OPENPITON_DEFAULT_UART_FREQ, - OPENPITON_DEFAULT_UART_BAUDRATE, -}; static struct plic_data plic = { .addr = (unsigned long)OPENPITON_DEFAULT_PLIC_ADDR, .size = OPENPITON_DEFAULT_PLIC_SIZE, @@ -73,7 +60,6 @@ static struct aclint_mtimer_data mtimer = { static int openpiton_early_init(bool cold_boot) { const void *fdt; - struct platform_uart_data uart_data = { 0 }; struct plic_data plic_data = plic; unsigned long aclint_freq; uint64_t clint_addr; @@ -83,9 +69,9 @@ static int openpiton_early_init(bool cold_boot) return 0; fdt = fdt_get_address(); - rc = fdt_parse_uart8250(fdt, &uart_data, "ns16550"); - if (!rc) - uart = uart_data; + rc = generic_early_init(cold_boot); + if (rc) + return rc; rc = fdt_parse_plic(fdt, &plic_data, "riscv,plic0"); if (!rc) @@ -104,11 +90,6 @@ static int openpiton_early_init(bool cold_boot) ACLINT_DEFAULT_MTIMECMP_OFFSET; } - rc = uart8250_init(uart.addr, uart.freq, uart.baud, - OPENPITON_DEFAULT_UART_REG_SHIFT, - OPENPITON_DEFAULT_UART_REG_WIDTH, - OPENPITON_DEFAULT_UART_REG_OFFSET, - OPENPITON_DEFAULT_UART_CAPS); if (rc) return rc; |