diff options
Diffstat (limited to 'include/asm-arm/arch-iop3xx/uncompress.h')
-rw-r--r-- | include/asm-arm/arch-iop3xx/uncompress.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/asm-arm/arch-iop3xx/uncompress.h b/include/asm-arm/arch-iop3xx/uncompress.h new file mode 100644 index 000000000000..82b88762c3cc --- /dev/null +++ b/include/asm-arm/arch-iop3xx/uncompress.h @@ -0,0 +1,57 @@ +/* + * linux/include/asm-arm/arch-iop3xx/uncompress.h + */ +#include <linux/config.h> +#include <asm/types.h> +#include <asm/mach-types.h> +#include <linux/serial_reg.h> +#include <asm/hardware.h> + +#ifdef CONFIG_ARCH_IOP321 +#define UTYPE unsigned char * +#elif defined(CONFIG_ARCH_IOP331) +#define UTYPE u32 * +#else +#error "Missing IOP3xx arch type def" +#endif + +static volatile UTYPE uart_base; + +#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE) + +static __inline__ void putc(char c) +{ + while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE); + *uart_base = c; +} + +/* + * This does not append a newline + */ +static void putstr(const char *s) +{ + while (*s) { + putc(*s); + if (*s == '\n') + putc('\r'); + s++; + } +} + +static __inline__ void __arch_decomp_setup(unsigned long arch_id) +{ + if(machine_is_iq80321()) + uart_base = (volatile UTYPE)IQ80321_UART; + else if(machine_is_iq31244()) + uart_base = (volatile UTYPE)IQ31244_UART; + else if(machine_is_iq80331() || machine_is_iq80332()) + uart_base = (volatile UTYPE)IOP331_UART0_PHYS; + else + uart_base = (volatile UTYPE)0xfe800000; +} + +/* + * nothing to do + */ +#define arch_decomp_setup() __arch_decomp_setup(arch_id) +#define arch_decomp_wdog() |