| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-iop3xx/uncompress.h |
| 3 | */ |
| 4 | #include <linux/config.h> |
| 5 | #include <asm/types.h> |
| 6 | #include <asm/mach-types.h> |
| 7 | #include <linux/serial_reg.h> |
| 8 | #include <asm/hardware.h> |
| 9 | |
| 10 | #ifdef CONFIG_ARCH_IOP321 |
| 11 | #define UTYPE unsigned char * |
| 12 | #elif defined(CONFIG_ARCH_IOP331) |
| 13 | #define UTYPE u32 * |
| 14 | #else |
| 15 | #error "Missing IOP3xx arch type def" |
| 16 | #endif |
| 17 | |
| 18 | static volatile UTYPE uart_base; |
| 19 | |
| 20 | #define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE) |
| 21 | |
| 22 | static __inline__ void putc(char c) |
| 23 | { |
| 24 | while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE); |
| 25 | *uart_base = c; |
| 26 | } |
| 27 | |
| 28 | /* |
| 29 | * This does not append a newline |
| 30 | */ |
| 31 | static void putstr(const char *s) |
| 32 | { |
| 33 | while (*s) { |
| 34 | putc(*s); |
| 35 | if (*s == '\n') |
| 36 | putc('\r'); |
| 37 | s++; |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | static __inline__ void __arch_decomp_setup(unsigned long arch_id) |
| 42 | { |
| 43 | if(machine_is_iq80321()) |
| 44 | uart_base = (volatile UTYPE)IQ80321_UART; |
| 45 | else if(machine_is_iq31244()) |
| 46 | uart_base = (volatile UTYPE)IQ31244_UART; |
| 47 | else if(machine_is_iq80331() || machine_is_iq80332()) |
| 48 | uart_base = (volatile UTYPE)IOP331_UART0_PHYS; |
| 49 | else |
| 50 | uart_base = (volatile UTYPE)0xfe800000; |
| 51 | } |
| 52 | |
| 53 | /* |
| 54 | * nothing to do |
| 55 | */ |
| 56 | #define arch_decomp_setup() __arch_decomp_setup(arch_id) |
| 57 | #define arch_decomp_wdog() |