| /* |
| * (C) Copyright 2003 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * This file is based on code |
| * (C) Copyright Motorola, Inc., 2000 |
| * |
| * odin smartdma header file |
| */ |
| |
| #ifndef __MPC5XXX_SDMA_H |
| #define __MPC5XXX_SDMA_H |
| |
| #include <common.h> |
| #include <mpc5xxx.h> |
| |
| /* Task number assignment */ |
| #define FEC_RECV_TASK_NO 0 |
| #define FEC_XMIT_TASK_NO 1 |
| |
| /*---------------------------------------------------------------------*/ |
| |
| /* Stuff for Ethernet Tx/Rx tasks */ |
| |
| /*---------------------------------------------------------------------*/ |
| |
| /* Layout of Ethernet controller Parameter SRAM area: |
| ---------------------------------------------------------------- |
| 0x00: TBD_BASE, base address of TX BD ring |
| 0x04: TBD_NEXT, address of next TX BD to be processed |
| 0x08: RBD_BASE, base address of RX BD ring |
| 0x0C: RBD_NEXT, address of next RX BD to be processed |
| --------------------------------------------------------------- |
| ALL PARAMETERS ARE ALL LONGWORDS (FOUR BYTES EACH). |
| */ |
| |
| /* base address of SRAM area to store parameters used by Ethernet tasks */ |
| #define FEC_PARAM_BASE (MPC5XXX_SRAM + 0x0800) |
| |
| /* base address of SRAM area for buffer descriptors */ |
| #define FEC_BD_BASE (MPC5XXX_SRAM + 0x0820) |
| |
| /*---------------------------------------------------------------------*/ |
| |
| /* common shortcuts used by driver C code */ |
| |
| /*---------------------------------------------------------------------*/ |
| |
| /* Disable SmartDMA task */ |
| #define SDMA_TASK_DISABLE(tasknum) \ |
| { \ |
| volatile ushort *tcr = (ushort *)(MPC5XXX_SDMA + 0x0000001c + 2 * tasknum); \ |
| *tcr = (*tcr) & (~0x8000); \ |
| } |
| |
| /* Enable SmartDMA task */ |
| #define SDMA_TASK_ENABLE(tasknum) \ |
| { \ |
| volatile ushort *tcr = (ushort *) (MPC5XXX_SDMA + 0x0000001c + 2 * tasknum); \ |
| *tcr = (*tcr) | 0x8000; \ |
| } |
| |
| /* Enable interrupt */ |
| #define SDMA_INT_ENABLE(tasknum) \ |
| { \ |
| struct mpc5xxx_sdma *sdma = (struct mpc5xxx_sdma *)MPC5XXX_SDMA; \ |
| sdma->IntMask &= ~(1 << tasknum); \ |
| } |
| |
| /* Disable interrupt */ |
| #define SDMA_INT_DISABLE(tasknum) \ |
| { \ |
| struct mpc5xxx_sdma *sdma = (struct mpc5xxx_sdma *)MPC5XXX_SDMA; \ |
| sdma->IntMask |= (1 << tasknum); \ |
| } |
| |
| |
| /* Clear interrupt pending bits */ |
| #define SDMA_CLEAR_IEVENT(tasknum) \ |
| { \ |
| struct mpc5xxx_sdma *sdma = (struct mpc5xxx_sdma *)MPC5XXX_SDMA; \ |
| sdma->IntPend = (1 << tasknum); \ |
| } |
| |
| /* get interupt pending bit of a task */ |
| #define SDMA_GET_PENDINGBIT(tasknum) \ |
| ((*(vu_long *)(MPC5XXX_SDMA + 0x14)) & (1<<(tasknum))) |
| |
| /* get interupt mask bit of a task */ |
| #define SDMA_GET_MASKBIT(tasknum) \ |
| ((*(vu_long *)(MPC5XXX_SDMA + 0x18)) & (1<<(tasknum))) |
| |
| #endif /* __MPC5XXX_SDMA_H */ |
