b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * arch/arm/mach-iop32x/include/mach/uncompress.h |
| 4 | */ |
| 5 | |
| 6 | #include <asm/types.h> |
| 7 | #include <asm/mach-types.h> |
| 8 | #include <linux/serial_reg.h> |
| 9 | |
| 10 | #define uart_base ((volatile u8 *)0xfe800000) |
| 11 | |
| 12 | #define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) |
| 13 | |
| 14 | static inline void putc(char c) |
| 15 | { |
| 16 | while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) |
| 17 | barrier(); |
| 18 | uart_base[UART_TX] = c; |
| 19 | } |
| 20 | |
| 21 | static inline void flush(void) |
| 22 | { |
| 23 | } |
| 24 | |
| 25 | #define arch_decomp_setup() do { } while (0) |