x86/xen: resume timer irqs early
[linux/fpc-iii.git] / arch / arm / mach-davinci / include / mach / uncompress.h
blobf49c2916aa3aad2b0b4adb0092a9cf25b703d155
1 /*
2 * Serial port stubs for kernel decompress status messages
4 * Initially based on:
5 * arch/arm/plat-omap/include/mach/uncompress.h
7 * Original copyrights follow.
9 * Copyright (C) 2000 RidgeRun, Inc.
10 * Author: Greg Lonnon <glonnon@ridgerun.com>
12 * Rewritten by:
13 * Author: <source@mvista.com>
14 * 2004 (c) MontaVista Software, Inc.
16 * This file is licensed under the terms of the GNU General Public License
17 * version 2. This program is licensed "as is" without any warranty of any
18 * kind, whether express or implied.
21 #include <linux/types.h>
22 #include <linux/serial_reg.h>
24 #include <asm/mach-types.h>
26 #include <mach/serial.h>
28 #define IOMEM(x) ((void __force __iomem *)(x))
30 u32 *uart;
32 /* PORT_16C550A, in polled non-fifo mode */
33 static void putc(char c)
35 if (!uart)
36 return;
38 while (!(uart[UART_LSR] & UART_LSR_THRE))
39 barrier();
40 uart[UART_TX] = c;
43 static inline void flush(void)
45 if (!uart)
46 return;
48 while (!(uart[UART_LSR] & UART_LSR_THRE))
49 barrier();
52 static inline void set_uart_info(u32 phys)
54 uart = (u32 *)phys;
57 #define _DEBUG_LL_ENTRY(machine, phys) \
58 { \
59 if (machine_is_##machine()) { \
60 set_uart_info(phys); \
61 break; \
62 } \
65 #define DEBUG_LL_DAVINCI(machine, port) \
66 _DEBUG_LL_ENTRY(machine, DAVINCI_UART##port##_BASE)
68 #define DEBUG_LL_DA8XX(machine, port) \
69 _DEBUG_LL_ENTRY(machine, DA8XX_UART##port##_BASE)
71 #define DEBUG_LL_TNETV107X(machine, port) \
72 _DEBUG_LL_ENTRY(machine, TNETV107X_UART##port##_BASE)
74 static inline void __arch_decomp_setup(unsigned long arch_id)
77 * Initialize the port based on the machine ID from the bootloader.
78 * Note that we're using macros here instead of switch statement
79 * as machine_is functions are optimized out for the boards that
80 * are not selected.
82 do {
83 /* Davinci boards */
84 DEBUG_LL_DAVINCI(davinci_evm, 0);
85 DEBUG_LL_DAVINCI(sffsdr, 0);
86 DEBUG_LL_DAVINCI(neuros_osd2, 0);
87 DEBUG_LL_DAVINCI(davinci_dm355_evm, 0);
88 DEBUG_LL_DAVINCI(dm355_leopard, 0);
89 DEBUG_LL_DAVINCI(davinci_dm6467_evm, 0);
90 DEBUG_LL_DAVINCI(davinci_dm365_evm, 0);
92 /* DA8xx boards */
93 DEBUG_LL_DA8XX(davinci_da830_evm, 2);
94 DEBUG_LL_DA8XX(davinci_da850_evm, 2);
95 DEBUG_LL_DA8XX(mityomapl138, 1);
96 DEBUG_LL_DA8XX(omapl138_hawkboard, 2);
98 /* TNETV107x boards */
99 DEBUG_LL_TNETV107X(tnetv107x, 1);
100 } while (0);
103 #define arch_decomp_setup() __arch_decomp_setup(arch_id)