Add basic 2.6.24 support for rb532, korina napi code has to be adapted to work

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11844 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 168 insertions, 0 deletions

diff --git a/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/dma.h b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/dma.h
new file mode 100644
index 000000000..2124f7e51
--- /dev/null
+++ b/target/linux/rb532/files-2.6.24/include/asm-mips/rc32434/dma.h
@@ -0,0 +1,168 @@
+#ifndef __IDT_DMA_H__
+#define __IDT_DMA_H__
+
+/*******************************************************************************
+ *
+ * Copyright 2002 Integrated Device Technology, Inc.
+ *		All rights reserved.
+ *
+ * DMA register definition.
+ *
+ * File   : $Id: dma.h,v 1.3 2002/06/06 18:34:03 astichte Exp $
+ *
+ * Author : ryan.holmQVist@idt.com
+ * Date   : 20011005
+ * Update :
+ *	    $Log: dma.h,v $
+ *	    Revision 1.3  2002/06/06 18:34:03  astichte
+ *	    Added XXX_PhysicalAddress and XXX_VirtualAddress
+ *	
+ *	    Revision 1.2  2002/06/05 18:30:46  astichte
+ *	    Removed IDTField
+ *	
+ *	    Revision 1.1  2002/05/29 17:33:21  sysarch
+ *	    jba File moved from vcode/include/idt/acacia
+ *	
+ *
+ ******************************************************************************/
+
+enum
+{
+	DMA0_PhysicalAddress	= 0x18040000,
+	DMA_PhysicalAddress	= DMA0_PhysicalAddress,		// Default
+
+	DMA0_VirtualAddress	= 0xb8040000,
+	DMA_VirtualAddress	= DMA0_VirtualAddress,		// Default
+} ;
+
+/*
+ * DMA descriptor (in physical memory).
+ */
+
+typedef struct DMAD_s
+{
+	u32			control ;	// Control. use DMAD_*
+	u32			ca ;		// Current Address.
+	u32			devcs ; 	// Device control and status.
+	u32			link ;		// Next descriptor in chain.
+} volatile *DMAD_t ;
+
+enum
+{
+	DMAD_size		= sizeof (struct DMAD_s),
+	DMAD_count_b		= 0,		// in DMAD_t -> control
+	DMAD_count_m		= 0x0003ffff,	// in DMAD_t -> control
+	DMAD_ds_b		= 20,		// in DMAD_t -> control
+	DMAD_ds_m		= 0x00300000,	// in DMAD_t -> control
+		DMAD_ds_ethRcv_v	= 0,
+		DMAD_ds_ethXmt_v	= 0,
+		DMAD_ds_memToFifo_v	= 0,
+		DMAD_ds_fifoToMem_v	= 0,
+		DMAD_ds_pciToMem_v	= 0,
+		DMAD_ds_memToPci_v	= 0,
+	
+	DMAD_devcmd_b		= 22,		// in DMAD_t -> control
+	DMAD_devcmd_m		= 0x01c00000,	// in DMAD_t -> control
+		DMAD_devcmd_byte_v	= 0,	//memory-to-memory
+		DMAD_devcmd_halfword_v	= 1,	//memory-to-memory
+		DMAD_devcmd_word_v	= 2,	//memory-to-memory
+		DMAD_devcmd_2words_v	= 3,	//memory-to-memory
+		DMAD_devcmd_4words_v	= 4,	//memory-to-memory
+		DMAD_devcmd_6words_v	= 5,	//memory-to-memory
+		DMAD_devcmd_8words_v	= 6,	//memory-to-memory
+		DMAD_devcmd_16words_v	= 7,	//memory-to-memory
+	DMAD_cof_b		= 25,		// chain on finished
+	DMAD_cof_m		= 0x02000000,	// 
+	DMAD_cod_b		= 26,		// chain on done
+	DMAD_cod_m		= 0x04000000,	// 
+	DMAD_iof_b		= 27,		// interrupt on finished
+	DMAD_iof_m		= 0x08000000,	// 
+	DMAD_iod_b		= 28,		// interrupt on done
+	DMAD_iod_m		= 0x10000000,	// 
+	DMAD_t_b		= 29,		// terminated
+	DMAD_t_m		= 0x20000000,	// 
+	DMAD_d_b		= 30,		// done
+	DMAD_d_m		= 0x40000000,	// 
+	DMAD_f_b		= 31,		// finished
+	DMAD_f_m		= 0x80000000,	// 
+} ;
+
+/*
+ * DMA register (within Internal Register Map).
+ */
+
+struct DMA_Chan_s
+{
+	u32		dmac ;		// Control.
+	u32		dmas ;		// Status.	
+	u32		dmasm ; 	// Mask.
+	u32		dmadptr ;	// Descriptor pointer.
+	u32		dmandptr ;	// Next descriptor pointer.
+};
+
+typedef struct DMA_Chan_s volatile *DMA_Chan_t ;
+
+//DMA_Channels	  use DMACH_count instead
+
+enum
+{
+	DMAC_run_b	= 0,		// 
+	DMAC_run_m	= 0x00000001,	// 
+	DMAC_dm_b	= 1,		// done mask
+	DMAC_dm_m	= 0x00000002,	// 
+	DMAC_mode_b	= 2,		// 
+	DMAC_mode_m	= 0x0000000c,	// 
+		DMAC_mode_auto_v	= 0,
+		DMAC_mode_burst_v	= 1,
+		DMAC_mode_transfer_v	= 2, //usually used
+		DMAC_mode_reserved_v	= 3,
+	DMAC_a_b	= 4,		// 
+	DMAC_a_m	= 0x00000010,	// 
+
+	DMAS_f_b	= 0,		// finished (sticky) 
+	DMAS_f_m	= 0x00000001,	//		     
+	DMAS_d_b	= 1,		// done (sticky)     
+	DMAS_d_m	= 0x00000002,	//		     
+	DMAS_c_b	= 2,		// chain (sticky)    
+	DMAS_c_m	= 0x00000004,	//		     
+	DMAS_e_b	= 3,		// error (sticky)    
+	DMAS_e_m	= 0x00000008,	//		     
+	DMAS_h_b	= 4,		// halt (sticky)     
+	DMAS_h_m	= 0x00000010,	//		     
+
+	DMASM_f_b	= 0,		// finished (1=mask)
+	DMASM_f_m	= 0x00000001,	// 
+	DMASM_d_b	= 1,		// done (1=mask)
+	DMASM_d_m	= 0x00000002,	// 
+	DMASM_c_b	= 2,		// chain (1=mask)
+	DMASM_c_m	= 0x00000004,	// 
+	DMASM_e_b	= 3,		// error (1=mask)
+	DMASM_e_m	= 0x00000008,	// 
+	DMASM_h_b	= 4,		// halt (1=mask)
+	DMASM_h_m	= 0x00000010,	// 
+} ;
+
+/*
+ * DMA channel definitions
+ */
+
+enum
+{
+	DMACH_ethRcv = 0,
+	DMACH_ethXmt = 1,
+	DMACH_memToFifo = 2,
+	DMACH_fifoToMem = 3,
+	DMACH_pciToMem = 4,
+	DMACH_memToPci = 5,
+	
+	DMACH_count //must be last
+};
+
+
+typedef struct DMAC_s
+{
+	struct DMA_Chan_s ch [DMACH_count] ; //use ch[DMACH_]
+} volatile *DMA_t ;
+
+#endif	// __IDT_DMA_H__
+