diff options
| author | stroese <stroese> | 2003-02-14 11:21:23 +0000 | 
|---|---|---|
| committer | stroese <stroese> | 2003-02-14 11:21:23 +0000 | 
| commit | ad10dd9aaf573fefe1cbd9d446a24f07f8b87428 (patch) | |
| tree | ed9676dd2921f05a3faf4ed97c416ac204e29c0d /board/sc520_cdp/sc520_cdp.c | |
| parent | e5ad56b13bc0d9e67f58c6021d0663a14cafce31 (diff) | |
| download | olio-uboot-2014.01-ad10dd9aaf573fefe1cbd9d446a24f07f8b87428.tar.xz olio-uboot-2014.01-ad10dd9aaf573fefe1cbd9d446a24f07f8b87428.zip | |
Add "pcidelay" environment variable (in ms, enabled via CONFIG_PCI_BOOTDELAY).
Diffstat (limited to 'board/sc520_cdp/sc520_cdp.c')
| -rw-r--r-- | board/sc520_cdp/sc520_cdp.c | 124 | 
1 files changed, 62 insertions, 62 deletions
| diff --git a/board/sc520_cdp/sc520_cdp.c b/board/sc520_cdp/sc520_cdp.c index 41f5e3ad1..ba6255f4e 100644 --- a/board/sc520_cdp/sc520_cdp.c +++ b/board/sc520_cdp/sc520_cdp.c @@ -31,35 +31,35 @@  static void irq_init(void)  { -	 +  	/* disable global interrupt mode */ -	write_mmcr_byte(SC520_PICICR, 0x40);  -	 +	write_mmcr_byte(SC520_PICICR, 0x40); +  	/* set irq0-7 to edge */  	write_mmcr_byte(SC520_MPICMODE, 0x00); -	 +  	/* set irq9-12 to level, all the other (8, 13-15) are edge */  	write_mmcr_byte(SC520_SL1PICMODE, 0x1e); -	 +  	/* set irq16-24 (unused slave pic2) to level */  	write_mmcr_byte(SC520_SL2PICMODE, 0xff); -	 -	/* active low polarity on PIC interrupt pins,  + +	/* active low polarity on PIC interrupt pins,  	   active high polarity on all other irq pins */  	write_mmcr_word(SC520_INTPINPOL, 0);  	/* set irq number mapping */ -	write_mmcr_byte(SC520_GPTMR0MAP,0);            /* disable GP timer 0 INT */        +	write_mmcr_byte(SC520_GPTMR0MAP,0);            /* disable GP timer 0 INT */  	write_mmcr_byte(SC520_GPTMR1MAP,0);            /* disable GP timer 1 INT */  	write_mmcr_byte(SC520_GPTMR2MAP,0);            /* disable GP timer 2 INT */ -	write_mmcr_byte(SC520_PIT0MAP,0x1);            /* Set PIT timer 0 INT to IRQ0 */  +	write_mmcr_byte(SC520_PIT0MAP,0x1);            /* Set PIT timer 0 INT to IRQ0 */  	write_mmcr_byte(SC520_PIT1MAP,0);              /* diable PIT timer 1 INT */  	write_mmcr_byte(SC520_PIT2MAP,0);              /* diable PIT timer 2 INT */  	write_mmcr_byte(SC520_PCIINTAMAP,0x4);         /* Set PCI INT A to IRQ9 */  	write_mmcr_byte(SC520_PCIINTBMAP,0x5);         /* Set PCI INT B to IRQ10 */  	write_mmcr_byte(SC520_PCIINTCMAP,0x6);         /* Set PCI INT C to IRQ11 */  	write_mmcr_byte(SC520_PCIINTDMAP,0x7);         /* Set PCI INT D to IRQ12 */ -	write_mmcr_byte(SC520_DMABCINTMAP,0);          /* disable DMA INT */  +	write_mmcr_byte(SC520_DMABCINTMAP,0);          /* disable DMA INT */  	write_mmcr_byte(SC520_SSIMAP,0);               /* disable Synchronius serial INT */  	write_mmcr_byte(SC520_WDTMAP,0);               /* disable Watchdor INT */  	write_mmcr_byte(SC520_RTCMAP,0x3);             /* Set RTC int to 8 */ @@ -69,28 +69,28 @@ static void irq_init(void)  	write_mmcr_byte(SC520_GP0IMAP,6);              /* Set GPIRQ0 (ISA IRQ2) to IRQ9 */  	write_mmcr_byte(SC520_GP1IMAP,2);              /* Set GPIRQ1 (SIO IRQ1) to IRQ1 */  	write_mmcr_byte(SC520_GP2IMAP,7);              /* Set GPIRQ2 (ISA IRQ12) to IRQ12 */ -	 +  	if (CFG_USE_SIO_UART) {  		write_mmcr_byte(SC520_UART1MAP,0);     /* disable internal UART1 INT */  		write_mmcr_byte(SC520_UART2MAP,0);     /* disable internal UART2 INT */ -		write_mmcr_byte(SC520_GP3IMAP,11);     /* Set GPIRQ3 (ISA IRQ3) to IRQ3 */  +		write_mmcr_byte(SC520_GP3IMAP,11);     /* Set GPIRQ3 (ISA IRQ3) to IRQ3 */  		write_mmcr_byte(SC520_GP4IMAP,12);     /* Set GPIRQ4 (ISA IRQ4) to IRQ4 */  	} else {  		write_mmcr_byte(SC520_UART1MAP,12);    /* Set internal UART2 INT to IRQ4 */  		write_mmcr_byte(SC520_UART2MAP,11);    /* Set internal UART2 INT to IRQ3 */ -		write_mmcr_byte(SC520_GP3IMAP,0);      /* disable GPIRQ3 (ISA IRQ3) */  +		write_mmcr_byte(SC520_GP3IMAP,0);      /* disable GPIRQ3 (ISA IRQ3) */  		write_mmcr_byte(SC520_GP4IMAP,0);      /* disable GPIRQ4 (ISA IRQ4) */  	} -	 +  	write_mmcr_byte(SC520_GP5IMAP,13);             /* Set GPIRQ5 (ISA IRQ5) to IRQ5 */  	write_mmcr_byte(SC520_GP6IMAP,21);             /* Set GPIRQ6 (ISA IRQ6) to IRQ6 */  	write_mmcr_byte(SC520_GP7IMAP,22);             /* Set GPIRQ7 (ISA IRQ7) to IRQ7 */  	write_mmcr_byte(SC520_GP8IMAP,3);              /* Set GPIRQ8 (SIO IRQ8) to IRQ8 */  	write_mmcr_byte(SC520_GP9IMAP,4);              /* Set GPIRQ9 (ISA IRQ9) to IRQ9 */ -	write_mmcr_byte(SC520_GP10IMAP,9);             /* Set GPIRQ10 (ISA IRQ10) to IRQ10 */           +	write_mmcr_byte(SC520_GP10IMAP,9);             /* Set GPIRQ10 (ISA IRQ10) to IRQ10 */  	write_mmcr_word(SC520_PCIHOSTMAP,0x11f);       /* Map PCI hostbridge INT to NMI */  	write_mmcr_word(SC520_ECCMAP,0x100);           /* Map SDRAM ECC failure INT to NMI */ -  +  }  /* PCI stuff */ @@ -98,11 +98,11 @@ static void pci_sc520_cdp_fixup_irq(struct pci_controller *hose, pci_dev_t dev)  {  	char pin;  	int irq; -	 -	 + +  	pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &pin);  	irq = pin-1; -	 +  	switch (PCI_DEV(dev)) {  	case 20:  		break; @@ -115,25 +115,25 @@ static void pci_sc520_cdp_fixup_irq(struct pci_controller *hose, pci_dev_t dev)  	case 17:  		irq+=3;  		break; -	default:  +	default:  		return;  	} -	 +  	irq&=3; /* wrap around */  	irq+=9; /* lowest IRQ is 9 */ -	 +  	pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, irq); -#if 0	 -	printf("fixup_irq: device %d pin %c irq %d\n",  +#if 0 +	printf("fixup_irq: device %d pin %c irq %d\n",  	       PCI_DEV(dev), 'A' + pin -1, irq);  #endif  } -  +  static struct pci_controller sc520_cdp_hose = {  	fixup_irq: pci_sc520_cdp_fixup_irq,  }; -void pci_init(void) +void pci_init_board(void)  {  	pci_sc520_init(&sc520_cdp_hose);  } @@ -147,7 +147,7 @@ static void silence_uart(int port)  void setup_ali_sio(int uart_primary)  {  	ali512x_init(); -	 +  	ali512x_set_fdc(ALI_ENABLED, 0x3f2, 6, 0);  	ali512x_set_pp(ALI_ENABLED, 0x278, 7, 3);  	ali512x_set_uart(ALI_ENABLED, ALI_UART1, uart_primary?0x3f8:0x3e8, 4); @@ -155,21 +155,21 @@ void setup_ali_sio(int uart_primary)  	ali512x_set_rtc(ALI_DISABLED, 0, 0);  	ali512x_set_kbc(ALI_ENABLED, 1, 12);  	ali512x_set_cio(ALI_ENABLED); -	 +  	/* IrDa pins */  	ali512x_cio_function(12, 1, 0, 0);  	ali512x_cio_function(13, 1, 0, 0); -	 +  	/* SSI chip select pins */  	ali512x_cio_function(14, 0, 0, 0);  /* SSI_CS */ -	ali512x_cio_function(15, 0, 0, 0);  /* SSI_MV */					      +	ali512x_cio_function(15, 0, 0, 0);  /* SSI_MV */  	ali512x_cio_function(16, 0, 1, 0);  /* SSI_SPI# (inverted) */  	/* Board REV pins */  	ali512x_cio_function(20, 0, 0, 1);  	ali512x_cio_function(21, 0, 0, 1);  	ali512x_cio_function(22, 0, 0, 1); -	ali512x_cio_function(23, 0, 0, 1);       +	ali512x_cio_function(23, 0, 0, 1);  } @@ -178,13 +178,13 @@ static void bus_init(void)  {  	/* set up the GP IO pins */ -	write_mmcr_word(SC520_PIOPFS31_16, 0xf7ff); 	/* set the GPIO pin function 31-16 reg */		    +	write_mmcr_word(SC520_PIOPFS31_16, 0xf7ff); 	/* set the GPIO pin function 31-16 reg */  	write_mmcr_word(SC520_PIOPFS15_0, 0xffff);  	/* set the GPIO pin function 15-0 reg */ -	write_mmcr_byte(SC520_CSPFS, 0xf8);  		/* set the CS pin function  reg */	 +	write_mmcr_byte(SC520_CSPFS, 0xf8);  		/* set the CS pin function  reg */  	write_mmcr_byte(SC520_CLKSEL, 0x70); -	 -	write_mmcr_byte(SC520_GPCSRT, 1);   /* set the GP CS offset */    	 + +	write_mmcr_byte(SC520_GPCSRT, 1);   /* set the GP CS offset */  	write_mmcr_byte(SC520_GPCSPW, 3);   /* set the GP CS pulse width */  	write_mmcr_byte(SC520_GPCSOFF, 1);  /* set the GP CS offset */  	write_mmcr_byte(SC520_GPRDW, 3);    /* set the RD pulse width */ @@ -192,40 +192,40 @@ static void bus_init(void)          write_mmcr_byte(SC520_GPWRW, 3);    /* set the GP WR pulse width */  	write_mmcr_byte(SC520_GPWROFF, 1);  /* set the GP WR offset */ -	write_mmcr_word(SC520_BOOTCSCTL, 0x1823);		/* set up timing of BOOTCS */  +	write_mmcr_word(SC520_BOOTCSCTL, 0x1823);		/* set up timing of BOOTCS */  	write_mmcr_word(SC520_ROMCS1CTL, 0x1823);		/* set up timing of ROMCS1 */ -	write_mmcr_word(SC520_ROMCS2CTL, 0x1823);		/* set up timing of ROMCS2 */  -	 +	write_mmcr_word(SC520_ROMCS2CTL, 0x1823);		/* set up timing of ROMCS2 */ +  	/* adjust the memory map:  	 * by default the first 256MB (0x00000000 - 0x0fffffff) is mapped to SDRAM  	 * and 256MB to 1G-128k  (0x1000000 - 0x37ffffff) is mapped to PCI mmio -	 * we need to map 1G-128k - 1G (0x38000000 - 0x3fffffff) to CS1 */  -	 -		 +	 * we need to map 1G-128k - 1G (0x38000000 - 0x3fffffff) to CS1 */ + +  	/* SRAM = GPCS3 128k @ d0000-effff*/ -	write_mmcr_long(SC520_PAR2,  0x4e00400d);		 -	 +	write_mmcr_long(SC520_PAR2,  0x4e00400d); +  	/* IDE0 = GPCS6 1f0-1f7 */ -	write_mmcr_long(SC520_PAR3,  0x380801f0);		 +	write_mmcr_long(SC520_PAR3,  0x380801f0);  	/* IDE1 = GPCS7 3f6 */ -	write_mmcr_long(SC520_PAR4,  0x3c0003f6);		 +	write_mmcr_long(SC520_PAR4,  0x3c0003f6);  	/* bootcs */ -	write_mmcr_long(SC520_PAR12, 0x8bffe800);		 +	write_mmcr_long(SC520_PAR12, 0x8bffe800);  	/* romcs2 */ -	write_mmcr_long(SC520_PAR13, 0xcbfff000);		 +	write_mmcr_long(SC520_PAR13, 0xcbfff000);  	/* romcs1 */ -	write_mmcr_long(SC520_PAR14, 0xabfff800);		 +	write_mmcr_long(SC520_PAR14, 0xabfff800);  	/* 680 LEDS */ -	write_mmcr_long(SC520_PAR15, 0x30000640);		 -	 -	asm ("wbinvd\n"); /* Flush cache, req. after setting the unchached attribute ona PAR */	 +	write_mmcr_long(SC520_PAR15, 0x30000640); + +	asm ("wbinvd\n"); /* Flush cache, req. after setting the unchached attribute ona PAR */  	if (CFG_USE_SIO_UART) { -		write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) | UART2_DIS|UART1_DIS);	 +		write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) | UART2_DIS|UART1_DIS);  		setup_ali_sio(1);  	} else { -		write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) & ~(UART2_DIS|UART1_DIS));	 +		write_mmcr_byte(SC520_ADDDECCTL, read_mmcr_byte(SC520_ADDDECCTL) & ~(UART2_DIS|UART1_DIS));  		setup_ali_sio(0);  		silence_uart(0x3e8);  		silence_uart(0x2e8); @@ -242,21 +242,21 @@ static void bus_init(void)  int board_init(void)  {  	DECLARE_GLOBAL_DATA_PTR; -	 -	init_sc520();	 + +	init_sc520();  	bus_init();  	irq_init(); -		 +  	/* max drive current on SDRAM */  	write_mmcr_word(SC520_DSCTL, 0x0100); -		 +  	/* enter debug mode after next reset (only if jumper is also set) */  	write_mmcr_byte(SC520_RESCFG, 0x08); -	 +  	/* configure the software timer to 33.333MHz */  	write_mmcr_byte(SC520_SWTMRCFG, 0);  	gd->bus_clk = 33333000; -	 +  	return 0;  } @@ -277,14 +277,14 @@ int last_stage_init(void)  {  	int minor;  	int major; -	 +  	major = minor = 0;  	major |= ali512x_cio_in(23)?2:0;  	major |= ali512x_cio_in(22)?1:0;  	minor |= ali512x_cio_in(21)?2:0;  	minor |= ali512x_cio_in(20)?1:0; -	 +  	printf("AMD SC520 CDP revision %d.%d\n", major, minor); -	 +  	return 0;  } |