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- /**************************************
- *
- * copyright @ Motorola, 1999
- *
- **************************************/
- #include <config.h>
- #ifdef CONFIG_HARD_I2C
- #include <ppc_asm.tmpl>
- #include <asm/mmu.h>
- /**********************************************************
- * function: load_runtime_reg
- *
- * input: r3 - value of eumbbar
- * r4 - register offset in embedded utility space
- *
- * output: r3 - register content
- **********************************************************/
- .text
- .align 2
- .global load_runtime_reg
- load_runtime_reg:
- /* xor r5,r5,r5
- * or r5,r5,r3
- *
- * lwbrx r3,r4,r5
- */
- lwbrx r3,r4,r3
- sync
- bclr 20, 0
- /****************************************************************
- * function: store_runtime_reg
- *
- * input: r3 - value of eumbbar
- * r4 - register offset in embedded utility space
- * r5 - new value to be stored
- *
- ****************************************************************/
- .text
- .align 2
- .global store_runtime_reg
- store_runtime_reg:
- stwbrx r5, r4, r3
- sync
- bclr 20,0
- #endif /* CONFIG_HARD_I2C */
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