2 * arch/arm/mach-ep93xx/include/mach/uncompress.h
4 * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
12 #include <mach/ep93xx-regs.h>
14 static unsigned char __raw_readb(unsigned int ptr
)
16 return *((volatile unsigned char *)ptr
);
19 static unsigned int __raw_readl(unsigned int ptr
)
21 return *((volatile unsigned int *)ptr
);
24 static void __raw_writeb(unsigned char value
, unsigned int ptr
)
26 *((volatile unsigned char *)ptr
) = value
;
29 static void __raw_writel(unsigned int value
, unsigned int ptr
)
31 *((volatile unsigned int *)ptr
) = value
;
34 #if defined(CONFIG_EP93XX_EARLY_UART1)
35 #define UART_BASE EP93XX_UART1_PHYS_BASE
36 #elif defined(CONFIG_EP93XX_EARLY_UART2)
37 #define UART_BASE EP93XX_UART2_PHYS_BASE
38 #elif defined(CONFIG_EP93XX_EARLY_UART3)
39 #define UART_BASE EP93XX_UART3_PHYS_BASE
41 #define UART_BASE EP93XX_UART1_PHYS_BASE
44 #define PHYS_UART_DATA (UART_BASE + 0x00)
45 #define PHYS_UART_FLAG (UART_BASE + 0x18)
46 #define UART_FLAG_TXFF 0x20
48 static inline void putc(int c
)
52 for (i
= 0; i
< 1000; i
++) {
53 /* Transmit fifo not full? */
54 if (!(__raw_readb(PHYS_UART_FLAG
) & UART_FLAG_TXFF
))
58 __raw_writeb(c
, PHYS_UART_DATA
);
61 static inline void flush(void)
66 #define PHYS_ETH_SELF_CTL 0x80010020
67 #define ETH_SELF_CTL_RESET 0x00000001
69 static void ethernet_reset(void)
73 /* Reset the ethernet MAC. */
74 v
= __raw_readl(PHYS_ETH_SELF_CTL
);
75 __raw_writel(v
| ETH_SELF_CTL_RESET
, PHYS_ETH_SELF_CTL
);
77 /* Wait for reset to finish. */
78 while (__raw_readl(PHYS_ETH_SELF_CTL
) & ETH_SELF_CTL_RESET
)
83 static void arch_decomp_setup(void)
88 #define arch_decomp_wdog()