2 * arch/arm/plat-mxc/include/mach/uncompress.h
4 * Copyright (C) 1999 ARM Limited
5 * Copyright (C) Shane Nay (shane@minirl.com)
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 #ifndef __ASM_ARCH_MXC_UNCOMPRESS_H__
18 #define __ASM_ARCH_MXC_UNCOMPRESS_H__
20 #define __MXC_BOOT_UNCOMPRESS
22 #include <asm/mach-types.h>
24 static unsigned long uart_base;
26 #define UART(x) (*(volatile unsigned long *)(uart_base + (x)))
29 #define USR2_TXFE (1<<14)
35 * The following code assumes the serial port has already been
36 * initialized by the bootloader. We search for the first enabled
37 * port in the most probable order. If you didn't setup a port in
38 * your bootloader then nothing will appear (which might be desired).
40 * This does not append a newline
43 static void putc(int ch)
47 if (!(UART(UCR1) & UCR1_UARTEN))
50 while (!(UART(USR2) & USR2_TXFE))
56 static inline void flush(void)
60 #define MX1_UART1_BASE_ADDR 0x00206000
61 #define MX25_UART1_BASE_ADDR 0x43f90000
62 #define MX2X_UART1_BASE_ADDR 0x1000a000
63 #define MX3X_UART1_BASE_ADDR 0x43F90000
64 #define MX3X_UART2_BASE_ADDR 0x43F94000
65 #define MX51_UART1_BASE_ADDR 0x73fbc000
67 static __inline__ void __arch_decomp_setup(unsigned long arch_id)
70 case MACH_TYPE_MX1ADS:
71 case MACH_TYPE_SCB9328:
72 uart_base = MX1_UART1_BASE_ADDR;
74 case MACH_TYPE_MX25_3DS:
75 uart_base = MX25_UART1_BASE_ADDR;
77 case MACH_TYPE_IMX27LITE:
78 case MACH_TYPE_MX27_3DS:
79 case MACH_TYPE_MX27ADS:
80 case MACH_TYPE_PCM038:
81 case MACH_TYPE_MX21ADS:
82 case MACH_TYPE_PCA100:
83 case MACH_TYPE_MXT_TD60:
84 uart_base = MX2X_UART1_BASE_ADDR;
86 case MACH_TYPE_MX31LITE:
87 case MACH_TYPE_ARMADILLO5X0:
88 case MACH_TYPE_MX31MOBOARD:
90 case MACH_TYPE_MX31_3DS:
91 case MACH_TYPE_PCM037:
92 case MACH_TYPE_MX31ADS:
93 case MACH_TYPE_MX35_3DS:
94 case MACH_TYPE_PCM043:
95 case MACH_TYPE_LILLY1131:
96 uart_base = MX3X_UART1_BASE_ADDR;
98 case MACH_TYPE_MAGX_ZN5:
99 uart_base = MX3X_UART2_BASE_ADDR;
101 case MACH_TYPE_MX51_BABBAGE:
102 uart_base = MX51_UART1_BASE_ADDR;
109 #define arch_decomp_setup() __arch_decomp_setup(arch_id)
110 #define arch_decomp_wdog()
112 #endif /* __ASM_ARCH_MXC_UNCOMPRESS_H__ */