]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
3f7e5815 | 2 | /* |
a09e64fb | 3 | * arch/arm/mach-iop33x/include/mach/uncompress.h |
3f7e5815 | 4 | */ |
c852ac80 | 5 | |
3f7e5815 LB |
6 | #include <asm/types.h> |
7 | #include <asm/mach-types.h> | |
8 | #include <linux/serial_reg.h> | |
a09e64fb | 9 | #include <mach/hardware.h> |
3f7e5815 | 10 | |
8ea0de4b | 11 | volatile u32 *uart_base; |
3f7e5815 | 12 | |
c852ac80 | 13 | #define TX_DONE (UART_LSR_TEMT | UART_LSR_THRE) |
3f7e5815 LB |
14 | |
15 | static inline void putc(char c) | |
16 | { | |
17 | while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE) | |
18 | barrier(); | |
c852ac80 | 19 | uart_base[UART_TX] = c; |
3f7e5815 LB |
20 | } |
21 | ||
22 | static inline void flush(void) | |
23 | { | |
24 | } | |
25 | ||
26 | static __inline__ void __arch_decomp_setup(unsigned long arch_id) | |
27 | { | |
28 | if (machine_is_iq80331() || machine_is_iq80332()) | |
c852ac80 | 29 | uart_base = (volatile u32 *)IOP33X_UART0_PHYS; |
3f7e5815 LB |
30 | else |
31 | uart_base = (volatile u32 *)0xfe800000; | |
32 | } | |
33 | ||
34 | /* | |
35 | * nothing to do | |
36 | */ | |
37 | #define arch_decomp_setup() __arch_decomp_setup(arch_id) |