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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/mach-sa1100/include/mach/uncompress.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/mach-sa1100/include/mach/uncompress.h')
-rw-r--r-- | arch/arm/mach-sa1100/include/mach/uncompress.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/uncompress.h b/arch/arm/mach-sa1100/include/mach/uncompress.h new file mode 100644 index 00000000..6cb39ddd --- /dev/null +++ b/arch/arm/mach-sa1100/include/mach/uncompress.h @@ -0,0 +1,50 @@ +/* + * arch/arm/mach-sa1100/include/mach/uncompress.h + * + * (C) 1999 Nicolas Pitre <nico@fluxnic.net> + * + * Reorganised to be machine independent. + */ + +#include "hardware.h" + +/* + * The following code assumes the serial port has already been + * initialized by the bootloader. We search for the first enabled + * port in the most probable order. If you didn't setup a port in + * your bootloader then nothing will appear (which might be desired). + */ + +#define UART(x) (*(volatile unsigned long *)(serial_port + (x))) + +static void putc(int c) +{ + unsigned long serial_port; + + do { + serial_port = _Ser3UTCR0; + if (UART(UTCR3) & UTCR3_TXE) break; + serial_port = _Ser1UTCR0; + if (UART(UTCR3) & UTCR3_TXE) break; + serial_port = _Ser2UTCR0; + if (UART(UTCR3) & UTCR3_TXE) break; + return; + } while (0); + + /* wait for space in the UART's transmitter */ + while (!(UART(UTSR1) & UTSR1_TNF)) + barrier(); + + /* send the character out. */ + UART(UTDR) = c; +} + +static inline void flush(void) +{ +} + +/* + * Nothing to do for these + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() |