init_hwinfo.c

qnx powerpc MPC8245的 BSP源文件

/*
 * $QNXLicenseC: 
 * Copyright 2007, QNX Software Systems.  
 *  
 * Licensed under the Apache License, Version 2.0 (the "License"). You  
 * may not reproduce, modify or distribute this software except in  
 * compliance with the License. You may obtain a copy of the License  
 * at: http://www.apache.org/licenses/LICENSE-2.0  
 *  
 * Unless required by applicable law or agreed to in writing, software  
 * distributed under the License is distributed on an "AS IS" basis,  
 * WITHOUT WARRANTIES OF ANY KIND, either express or implied. 
 * 
 * This file may contain contributions from others, either as  
 * contributors under the License or as licensors under other terms.   
 * Please review this entire file for other proprietary rights or license  
 * notices, as well as the QNX Development Suite License Guide at  
 * http://licensing.qnx.com/license-guide/ for other information. 
 * $ 
 */



#include "startup.h"
#include <ppc/85xxintr.h>
/*
 * Initialize hwinfo structure in the system page.
 * This code is hardware dependant and may have to be changed
 * changed by end users.
 */

extern uint32_t	ppc8260_brgclk;
extern short 	duart;
extern short 	ntsecs;
extern uint32_t platform_clock;


static void
add_one_ser(unsigned off, int clock) {
	paddr_t		paddr = immr_paddr + off;

	hwi_add_device(HWI_ITEM_BUS_UNKNOWN, HWI_ITEM_DEVCLASS_SERIAL, "8250", 0);
	hwi_add_inputclk(264000000, 16);
	hwi_add_irq(PPC85xx_INTR_DUART);
	hwi_add_location(paddr, 8, 0, hwi_find_as(paddr, 0));
	hwi_add_inputclk(clock, 16);
}



static void add_one_tsec(unsigned off, 
					unsigned intr_tx, 
					unsigned int intr_rx, 
					unsigned int intr_err,
					unsigned char *mac,
					unsigned char phy_addr)
{
	paddr_t		paddr = immr_paddr + off;

	hwi_add_device(HWI_ITEM_BUS_UNKNOWN, HWI_ITEM_DEVCLASS_NETWORK, "tsec", 0);

	hwi_add_location(paddr, 8, 0, hwi_find_as(paddr, 0));

	hwi_add_irq(intr_tx);
	hwi_add_irq(intr_rx);
	hwi_add_irq(intr_err);

	if (mac != NULL) {
		hwi_add_nicaddr(mac, 6);
	}

	if (phy_addr != 0xFF) {
		hwi_add_nicphyaddr(phy_addr);
	}
}


void
init_hwinfo() {
	unsigned char mac[6];

	if(duart) {
		add_one_ser(0x4500, platform_clock);
		add_one_ser(0x4600, platform_clock);
	} else {
		hwi_add_device(HWI_ITEM_BUS_UNKNOWN, HWI_ITEM_DEVCLASS_SERIAL, "scc1", 0);
		
		hwi_add_inputclk(ppc8260_brgclk, 16);
		hwi_add_irq(PPC85xx_INTR_CPM_SCC1);
		hwi_add_irq(PPC85xx_INTR_CPM_PC14);
		hwi_add_irq(PPC85xx_INTR_CPM_PC15);

		hwi_add_device(HWI_ITEM_BUS_UNKNOWN, HWI_ITEM_DEVCLASS_SERIAL, "scc2", 0);
		hwi_add_inputclk(ppc8260_brgclk, 16);
		hwi_add_irq(PPC85xx_INTR_CPM_SCC2);
		hwi_add_irq(PPC85xx_INTR_CPM_PC12);
		hwi_add_irq(PPC85xx_INTR_CPM_PC13);
	}

	mac[0] = 0x00;
	mac[1] = 0xE0;
	mac[2] = 0x0C;
	mac[3] = 0x00;
	mac[4] = 0x00;
	mac[5] = 0xFD;
	add_one_tsec(0x24000, PPC85xx_INTR_TSEC1_TX, PPC85xx_INTR_TSEC1_RX,
				PPC85xx_INTR_TSEC1_ERROR,mac,0);
	mac[4] = 0x01;
	add_one_tsec(0x25000, PPC85xx_INTR_TSEC2_TX, PPC85xx_INTR_TSEC2_RX,
				PPC85xx_INTR_TSEC2_ERROR,mac,1);

	if (ntsecs > 2) {
		mac[4] = 0x02;
		add_one_tsec(0x26000, PPC85xx_INTR_TSEC3_TX, PPC85xx_INTR_TSEC3_RX,
				PPC85xx_INTR_TSEC3_ERROR,mac,2);
		if (ntsecs > 3) {
			mac[4] = 0x03;
			add_one_tsec(0x27000, PPC85xx_INTR_TSEC4_TX, PPC85xx_INTR_TSEC4_RX,
				PPC85xx_INTR_TSEC4_ERROR,mac,3);
		}
	}

	//add PCI information
}