//==========================================================================
//
//      devs/eth/arm/triton/..../include/devs_eth_triton.inl
//
//      Triton ethernet I/O definitions.
//
//==========================================================================
//#####ECOSGPLCOPYRIGHTBEGIN####
//## -------------------------------------------
//## This file is part of eCos, the Embedded Configurable Operating System.
//## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//## the terms of the GNU General Public License as published by the Free
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//## WARRANTY; without even the implied warranty of MERCHANTABILITY or
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//## for more details.
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//##
//## As a special exception, if other files instantiate templates or use macros
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//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    Jordi Colomer <jco@ict.es>, usteinkohl
// Contributors: Jordi Colomer, usteinkohl
// Date:         14th January 2003
// Purpose:      Triton ethernet definitions
//####DESCRIPTIONEND####
//==========================================================================

#ifdef __WANT_DEVS



#include <pkgconf/system.h>
#include <pkgconf/devs_eth_cl_cs8900_arm_xscale_triton.h>
#include <cyg/hal/hal_intr.h>          
#include <cyg/hal/hal_triton.h>

// MAC address is stored as a Redboot config option
#ifdef CYGPKG_REDBOOT
#include <pkgconf/redboot.h>
#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
#include <redboot.h>
#include <flash_config.h>
#include <cyg/hal/triton_1w_dev.inl>








static __inline__ void 
post_reset(cyg_addrword_t base)
{
	cyg_uint8	value;
    // Toggle  SBHE (connected to DQM1) line on the Crystal chip.
    HAL_WRITE_UINT8(base-0x100, 0);
    HAL_WRITE_UINT8(base-0x101, 0);
    HAL_WRITE_UINT8(base-0x102, 0);
    HAL_WRITE_UINT8(base-0x103, 0);
    HAL_READ_UINT8(base-0x100, value);		// dummy read
    
}

#undef  CYGHWR_CL_CS8900A_PLF_POST_RESET
#define CYGHWR_CL_CS8900A_PLF_POST_RESET(base) post_reset(base)











// ESA (Ethernet Station Address), when constant
#ifndef CYGSEM_DEVS_ETH_ARM_XSCALE_TRITON_REDBOOT_ESA
#ifndef CYGSEM_DEVS_ETH_ARM_XSCALE_TRITON_1WIRE_ESA
	static unsigned char static_esa[] = CYGDAT_DEVS_ETH_ARM_XSCALE_TRITON_ESA;
#endif
#endif


#ifndef CYGSEM_DEVS_ETH_ARM_XSCALE_TRITON_1WIRE_ESA
RedBoot_config_option("Network hardware address [MAC]",
                      triton_esa,
                      ALWAYS_ENABLED, true,
                      CONFIG_ESA, (unsigned long long)0x000000c60c00
    );
#endif    
    
    
    
    
    
    
#endif
#endif









// ESA address fetch function
cyg_bool triton_get_ESA(struct cs8900a_priv_data *cpd)
{
#if defined(CYGSEM_DEVS_ETH_ARM_XSCALE_TRITON_1WIRE_ESA)
	// fetch hardware address from 1-wire device
	cpd->hardwired_esa = false;
	return get_esa_1w(cpd->esa);
	
	
	
    // Fetch hardware address from RedBoot config
#elif defined(CYGSEM_DEVS_ETH_ARM_XSCALE_TRITON_REDBOOT_ESA)
	#if defined(CYGPKG_REDBOOT) && defined(CYGSEM_REDBOOT_FLASH_CONFIG)
    	flash_get_config("triton_esa", cpd->esa, CONFIG_ESA);
    	return 1;
	#else
		#error "No RedBoot flash configuration to store ESA"
	#endif
#else
    memcpy(cpd->esa, static_esa, 6);
#endif
}








static cs8900a_priv_data_t cs8900a_eth0_priv_data = { 

    provide_esa : &triton_get_ESA,
#ifndef CYGSEM_DEVS_ETH_ARM_XSCALE_TRITON_REDBOOT_ESA    
    esa: CYGDAT_DEVS_ETH_ARM_XSCALE_TRITON_ESA,
    hardwired_esa : true,
#else
    hardwired_esa : false,
#endif
    base : (cyg_addrword_t) CS8900A_ETH_IOBASE,
    interrupt : IRQ_GPIO_CS8900A 
};

















ETH_DRV_SC(cs8900a_sc,
           &cs8900a_eth0_priv_data,          // Driver specific data
           CYGDAT_DEVS_ETH_ARM_XSCALE_TRITON_NAME, // Name for device
           cs8900a_start,
           cs8900a_stop,
           cs8900a_control,
           cs8900a_can_send,
           cs8900a_send,
           cs8900a_recv,
           cs8900a_deliver,
           cs8900a_poll,
           cs8900a_int_vector
);

NETDEVTAB_ENTRY(cs8900a_netdev, 
                "cs8900a_" CYGDAT_DEVS_ETH_ARM_XSCALE_TRITON_NAME,
                cs8900a_init,
                &cs8900a_sc);




#endif // __WANT_DEVS



//EOF devs_eth_triton.inl