| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * arch/arm/mach-iop32x/include/mach/uncompress.h |
| 3 | */ |
| 4 | |
| 5 | #include <asm/types.h> |
| 6 | #include <asm/mach-types.h> |
| 7 | #include <linux/serial_reg.h> |
| 8 | #include <mach/hardware.h> |
| 9 | |
| 10 | volatile u8 *uart_base; |
| 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 | static __inline__ void __arch_decomp_setup(unsigned long arch_id) |
| 26 | { |
| 27 | if (machine_is_iq80321()) |
| 28 | uart_base = (volatile u8 *)IQ80321_UART; |
| 29 | else if (machine_is_iq31244() || machine_is_em7210()) |
| 30 | uart_base = (volatile u8 *)IQ31244_UART; |
| 31 | else |
| 32 | uart_base = (volatile u8 *)0xfe800000; |
| 33 | } |
| 34 | |
| 35 | /* |
| 36 | * nothing to do |
| 37 | */ |
| 38 | #define arch_decomp_setup() __arch_decomp_setup(arch_id) |