diff options
Diffstat (limited to 'c/src/lib/libbsp/sparc/leon/startup/boardinit.S')
| -rw-r--r-- | c/src/lib/libbsp/sparc/leon/startup/boardinit.S | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/c/src/lib/libbsp/sparc/leon/startup/boardinit.S b/c/src/lib/libbsp/sparc/leon/startup/boardinit.S deleted file mode 100644 index 2c6f6b8ce0..0000000000 --- a/c/src/lib/libbsp/sparc/leon/startup/boardinit.S +++ /dev/null @@ -1,64 +0,0 @@ -/* - * boardinit.s - * - * Start code for the LEON. - * - * $Id$ - */ - -#include <rtems/asm.h> -#include <leon.h> - - .global __bsp_board_init - -__bsp_board_init: - -/* Check if LEON is initialised. If not, this means that we are - running on the simulator. Initiate some of the parameters - that are done by the boot-prom otherwise. -*/ - - set SYM(LEON_REG), %l0 ! %l0 = base address of peripherals - ld [%l0+LEON_REG_CACHECTRL_OFFSET], %l1 ! Check if LEON has been initialised - andcc %l1, 3, %g0 - bne 2f - nop - - flush - set 0x1000f, %l1 - st %l1, [%l0 + LEON_REG_CACHECTRL_OFFSET] ! enable caches - ld [%l0 + LEON_REG_SIM_ROM_SIZE_OFFSET], %g1 ! load simulator rom size - clr %l2 - srl %g1, 13, %g1 ! calculate appropriate rom size -1: - srl %g1, 1, %g1 - tst %g1 - bne,a 1b - inc %l2 - sll %l2, 14, %l2 - st %l2, [%l0 + LEON_REG_MEMCFG1_OFFSET] ! set prom size in memcfg1 - - set 0, %l2 - ld [%l0 + LEON_REG_SIM_RAM_SIZE_OFFSET], %g2 ! load simulator ram size - srl %g2, 13, %g1 ! calculate appropriate ram size -1: - srl %g1, 1, %g1 - tst %g1 - bne,a 1b - inc %l2 - sll %l2, 9, %l2 - or %l2, 0x20, %l2 ! set 32-bit ram width by default - st %l2, [%l0 + LEON_REG_MEMCFG2_OFFSET] ! set ram size in memcfg2 - - set SYM(RAM_START), %l1 ! Cannot use RAM_END due to bug in linker - set SYM(RAM_SIZE), %l2 - add %l1, %l2, %sp - set 49, %l2 - st %l2, [%l0 + LEON_REG_SCALER_LOAD_OFFSET] ! scaler reload register - st %l2, [%l0 + LEON_REG_SCALERCNT_OFFSET] ! scaler counter register - -2: - retl - nop - -/* end of file */ |