vovpn-gw.c

gumstiz u-boot loader in linux

	unsigned short val;
#endif

	iop = ioport_addr((immap_t *)CFG_IMMR, 0);

	/* Reset the PHY */
	iop->pdat &= 0xfff7ffff;	/* PA12 = |SWITCH_RESET */
#if (CONFIG_COMMANDS & CFG_CMD_NET)
	udelay(20000);
	iop->pdat |= 0x00080000;
	for (i=0; i<100; i++) {
		udelay(20000);
		if (bb_miiphy_read("FCC1 ETHERNET", CFG_PHY_ADDR,2,&val ) == 0) {
			break;
		}
	}
	/* initialize switch */
	m88e6060_initialize( CFG_PHY_ADDR );
#endif
}

static unsigned long UPMATable[] = {
	0x8fffec00,  0x0ffcfc00,  0x0ffcfc00,  0x0ffcfc00, /* Words 0 to 3	*/
	0x0ffcfc04,  0x3ffdfc00,  0xfffffc01,  0xfffffc01, /* Words 4 to 7	*/
	0xfffffc00,  0xfffffc04,  0xfffffc01,  0xfffffc00, /* Words 8 to 11	*/
	0xfffffc00,  0xfffffc00,  0xfffffc00,  0xfffffc00, /* Words 12 to 15	*/
	0xfffffc00,  0xfffffc00,  0xfffffc00,  0xfffffc00, /* Words 16 to 19	*/
	0xfffffc00,  0xfffffc00,  0xfffffc00,  0xfffffc01, /* Words 20 to 23	*/
	0x8fffec00,  0x00fffc00,  0x00fffc00,  0x00fffc00, /* Words 24 to 27	*/
	0x0ffffc04,  0xfffffc01,  0xfffffc01,  0xfffffc01, /* Words 28 to 31	*/
	0xfffffc00,  0xfffffc01,  0xfffffc01,  0xfffffc00, /* Words 32 to 35	*/
	0xfffffc00,  0xfffffc00,  0xfffffc00,  0xfffffc00, /* Words 36 to 39	*/
	0xfffffc00,  0xfffffc00,  0xfffffc00,  0xfffffc00, /* Words 40 to 43	*/
	0xfffffc00,  0xfffffc00,  0xfffffc00,  0xfffffc01, /* Words 44 to 47	*/
	0xfffffc00,  0xfffffc04,  0xfffffc01,  0xfffffc00, /* Words 48 to 51	*/
	0xfffffc00,  0xfffffc00,  0xfffffc00,  0xfffffc00, /* Words 52 to 55	*/
	0xfffffc00,  0xfffffc00,  0xfffffc00,  0xfffffc01, /* Words 56 to 59	*/
	0xffffec00,  0xffffec04,  0xffffec00,  0xfffffc01  /* Words 60 to 63	*/
};

int board_early_init_f (void)
{
	volatile immap_t *immap;
	volatile memctl8260_t *memctl;
	volatile unsigned char *dummy;
	int i;

	immap = (immap_t *) CFG_IMMR;
	memctl = &immap->im_memctl;

#if 0
	/* CS2-5 - DSP via UPMA */
	dummy = (volatile unsigned char *) (memctl->memc_br2 & BRx_BA_MSK);
	memctl->memc_mar = 0;
	memctl->memc_mamr = MxMR_OP_WARR;
	for (i = 0; i < 64; i++) {
		memctl->memc_mdr = UPMATable[i];
		*dummy = 0;
	}
	memctl->memc_mamr = 0x00044440;
#else
	/* CS7 - DPRAM via UPMA */
	dummy = (volatile unsigned char *) (memctl->memc_br7 & BRx_BA_MSK);
	memctl->memc_mar = 0;
	memctl->memc_mamr = MxMR_OP_WARR;
	for (i = 0; i < 64; i++) {
		memctl->memc_mdr = UPMATable[i];
		*dummy = 0;
	}
	memctl->memc_mamr = 0x00044440;
#endif
	return 0;
}

int misc_init_r (void)
{
	volatile ioport_t *iop;
	unsigned char temp;
#if 0
	/* DUMP UPMA RAM */
	volatile immap_t *immap;
	volatile memctl8260_t *memctl;
	volatile unsigned char *dummy;
	unsigned char c;
	int i;

	immap = (immap_t *) CFG_IMMR;
	memctl = &immap->im_memctl;


	dummy = (volatile unsigned char *) (memctl->memc_br7 & BRx_BA_MSK);
	memctl->memc_mar = 0;
	memctl->memc_mamr = MxMR_OP_RARR;
	for (i = 0; i < 64; i++) {
		c = *dummy;
		printf( "UPMA[%02d]: 0x%08lx,0x%08lx: 0x%08lx\n",i,
		        memctl->memc_mamr,
		        memctl->memc_mar,
		        memctl->memc_mdr );
	}
	memctl->memc_mamr = 0x00044440;
#endif
	/* enable buffers (DSP, DPRAM) */
	iop = ioport_addr((immap_t *)CFG_IMMR, 0);
	iop->pdat &= 0xfffbffff;	/* PA13 = |EN_M_BCTL1 */

	/* destroy DPRAM magic */
	*(volatile unsigned char *)0xf0500000 = 0x00;

	/* clear any pending DPRAM irq */
	temp = *(volatile unsigned char *)0xf05003ff;

	/* write module-id into DPRAM */
	*(volatile unsigned char *)0xf0500201 = 0x50;

	return 0;
}

#if defined(CONFIG_HAVE_OWN_RESET)
int
do_reset (void *cmdtp, int flag, int argc, char *argv[])
{
	volatile ioport_t *iop;

	iop = ioport_addr((immap_t *)CFG_IMMR, 2);
	iop->pdat |= 0x00002000;	/* PC18 = HW_RESET */
	return 1;
}
#endif	/* CONFIG_HAVE_OWN_RESET */

#define ns2clk(ns) (ns / (1000000000 / CONFIG_8260_CLKIN) + 1)

long int initdram (int board_type)
{
#ifndef CFG_RAMBOOT
	volatile immap_t *immap;
	volatile memctl8260_t *memctl;
	volatile uchar *ramaddr;
	int i;
	uchar c;

	immap = (immap_t *) CFG_IMMR;
	memctl = &immap->im_memctl;
	ramaddr = (uchar *) CFG_SDRAM_BASE;
	c = 0xff;

	immap->im_siu_conf.sc_ppc_acr  = 0x02;
	immap->im_siu_conf.sc_ppc_alrh = 0x01267893;
	immap->im_siu_conf.sc_ppc_alrl = 0x89abcdef;
	immap->im_siu_conf.sc_tescr1   = 0x00000000;
	immap->im_siu_conf.sc_tescr2   = 0x00000000;

	memctl->memc_mptpr = CFG_MPTPR;
	memctl->memc_psrt = CFG_PSRT;
	memctl->memc_or1 = CFG_OR1_PRELIM;
	memctl->memc_br1 = CFG_SDRAM_BASE | CFG_BR1_PRELIM;

	/* Precharge all banks */
	memctl->memc_psdmr = CFG_PSDMR | 0x28000000;
	*ramaddr = c;

	/* CBR refresh */
	memctl->memc_psdmr = CFG_PSDMR | 0x08000000;
	for (i = 0; i < 8; i++)
		*ramaddr = c;

	/* Mode Register write */
	memctl->memc_psdmr = CFG_PSDMR | 0x18000000;
	*ramaddr = c;

	/* Refresh enable */
	memctl->memc_psdmr = CFG_PSDMR | 0x40000000;
	*ramaddr = c;
#endif /* CFG_RAMBOOT */

	return (CFG_SDRAM_SIZE);
}

int checkboard (void)
{
#ifdef CONFIG_CLKIN_66MHz
	puts ("Board: Elmeg VoVPN Gateway Module (66MHz)\n");
#else
	puts ("Board: Elmeg VoVPN Gateway Module (100MHz)\n");
#endif
	return 0;
}