diff options
| -rw-r--r-- | board/eNET/Makefile | 10 | ||||
| -rw-r--r-- | board/sc520_cdp/Makefile | 12 | ||||
| -rw-r--r-- | board/sc520_cdp/sc520_cdp.c | 239 | ||||
| -rw-r--r-- | board/sc520_cdp/sc520_cdp_pci.c | 271 | ||||
| -rw-r--r-- | board/sc520_spunk/Makefile | 12 | ||||
| -rw-r--r-- | board/sc520_spunk/sc520_spunk.c | 298 | ||||
| -rw-r--r-- | board/sc520_spunk/sc520_spunk_pci.c | 323 | ||||
| -rw-r--r-- | lib_i386/Makefile | 4 | ||||
| -rw-r--r-- | lib_i386/pci.c | 3 | ||||
| -rw-r--r-- | lib_i386/pci_type1.c | 5 | 
10 files changed, 615 insertions, 562 deletions
| diff --git a/board/eNET/Makefile b/board/eNET/Makefile index 4813b4b53..bf5736a79 100644 --- a/board/eNET/Makefile +++ b/board/eNET/Makefile @@ -31,12 +31,12 @@ include $(TOPDIR)/config.mk  LIB	= $(obj)lib$(BOARD).a -COBJS	:= eNET.o -SOBJS	:= eNET_start16.o eNET_start.o +COBJS-y	+= eNET.o +SOBJS-y	+= eNET_start16.o +SOBJS-y	+= eNET_start.o -SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS	:= $(addprefix $(obj),$(COBJS)) -SOBJS	:= $(addprefix $(obj),$(SOBJS)) +SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))  $(LIB):	$(obj).depend $(OBJS) $(SOBJS)  	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) diff --git a/board/sc520_cdp/Makefile b/board/sc520_cdp/Makefile index 0d2800d5e..7944a01a6 100644 --- a/board/sc520_cdp/Makefile +++ b/board/sc520_cdp/Makefile @@ -28,12 +28,14 @@ include $(TOPDIR)/config.mk  LIB	= $(obj)lib$(BOARD).a -COBJS	:= sc520_cdp.o flash.o -SOBJS	:= sc520_cdp_asm.o sc520_cdp_asm16.o +COBJS-y	+= sc520_cdp.o +COBJS-y	+= flash.o +COBJS-$(CONFIG_PCI) += sc520_cdp_pci.o +SOBJS-y	+= sc520_cdp_asm.o +SOBJS-y	+= sc520_cdp_asm16.o -SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS	:= $(addprefix $(obj),$(COBJS)) -SOBJS	:= $(addprefix $(obj),$(SOBJS)) +SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))  $(LIB):	$(obj).depend $(OBJS) $(SOBJS)  	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) diff --git a/board/sc520_cdp/sc520_cdp.c b/board/sc520_cdp/sc520_cdp.c index 9312f4f1d..4c44b2414 100644 --- a/board/sc520_cdp/sc520_cdp.c +++ b/board/sc520_cdp/sc520_cdp.c @@ -23,11 +23,8 @@   */  #include <common.h> -#include <pci.h>  #include <asm/io.h> -#include <asm/pci.h>  #include <asm/ic/sc520.h> -#include <asm/ic/pci.h>  #include <ali512x.h>  #include <spi.h>  #include <netdev.h> @@ -114,87 +111,6 @@ static void irq_init(void)  	sc520_mmcr->eccmap = 0x100;				/* Map SDRAM ECC failure INT to NMI */  } -#ifdef CONFIG_PCI -/* PCI stuff */ -static void pci_sc520_cdp_fixup_irq(struct pci_controller *hose, pci_dev_t dev) -{ -	/* a configurable lists of irqs to steal -	 * when we need one (a board with more pci interrupt pins -	 * would use a larger table */ -	static int irq_list[] = { -		CONFIG_SYS_FIRST_PCI_IRQ, -		CONFIG_SYS_SECOND_PCI_IRQ, -		CONFIG_SYS_THIRD_PCI_IRQ, -		CONFIG_SYS_FORTH_PCI_IRQ -	}; -	static int next_irq_index=0; - -	uchar tmp_pin; -	int pin; - -	pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &tmp_pin); -	pin = tmp_pin; - -	pin-=1; /* pci config space use 1-based numbering */ -	if (-1 == pin) { -		return; /* device use no irq */ -	} - - -	/* map device number +  pin to a pin on the sc520 */ -	switch (PCI_DEV(dev)) { -	case 20: -		pin+=SC520_PCI_INTA; -		break; - -	case 19: -		pin+=SC520_PCI_INTB; -		break; - -	case 18: -		pin+=SC520_PCI_INTC; -		break; - -	case 17: -		pin+=SC520_PCI_INTD; -		break; - -	default: -		return; -	} - -	pin&=3; /* wrap around */ - -	if (sc520_pci_ints[pin] == -1) { -		/* re-route one interrupt for us */ -		if (next_irq_index > 3) { -			return; -		} -		if (pci_sc520_set_irq(pin, irq_list[next_irq_index])) { -			return; -		} -		next_irq_index++; -	} - - -	if (-1 != sc520_pci_ints[pin]) { -		pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, -					   sc520_pci_ints[pin]); -	} -	PRINTF("fixup_irq: device %d pin %c irq %d\n", -	       PCI_DEV(dev), 'A' + pin, sc520_pci_ints[pin]); -} - -static struct pci_controller sc520_cdp_hose = { -	fixup_irq: pci_sc520_cdp_fixup_irq, -}; - -void pci_init_board(void) -{ -	pci_sc520_init(&sc520_cdp_hose); -} -#endif -  static void silence_uart(int port)  {  	outb(0, port+1); @@ -322,161 +238,6 @@ static void bus_init(void)   */  /* - * This function should map a chunk of size bytes - * of the system address space to the ISA bus - * - * The function will return the memory address - * as seen by the host (which may very will be the - * same as the bus address) - */ -u32 isa_map_rom(u32 bus_addr, int size) -{ -	u32 par; - -	PRINTF("isa_map_rom asked to map %d bytes at %x\n", -	       size, bus_addr); - -	par = size; -	if (par < 0x80000) { -		par = 0x80000; -	} -	par >>= 12; -	par--; -	par&=0x7f; -	par <<= 18; -	par |= (bus_addr>>12); -	par |= 0x50000000; - -	PRINTF ("setting PAR11 to %x\n", par); - -	/* Map rom 0x10000 with PAR1 */ -	sc520_mmcr->par[11] = par; - -	return bus_addr; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void isa_unmap_rom(u32 addr) -{ -	PRINTF("isa_unmap_rom asked to unmap %x", addr); -	if ((addr>>12) == (sc520_mmcr->par[11] & 0x3ffff)) { -		sc520_mmcr->par[11] = 0; -		PRINTF(" done\n"); -		return; -	} -	PRINTF(" not ours\n"); -} - -#ifdef CONFIG_PCI -#define PCI_ROM_TEMP_SPACE 0x10000 -/* - * This function should map a chunk of size bytes - * of the system address space to the PCI bus, - * suitable to map PCI ROMS (bus address < 16M) - * the function will return the host memory address - * which should be converted into a bus address - * before used to configure the PCI rom address - * decoder - */ -u32 pci_get_rom_window(struct pci_controller *hose, int size) -{ -	u32 par; - -	par = size; -	if (par < 0x80000) { -		par = 0x80000; -	} -	par >>= 16; -	par--; -	par&=0x7ff; -	par <<= 14; -	par |= (PCI_ROM_TEMP_SPACE>>16); -	par |= 0x72000000; - -	PRINTF ("setting PAR1 to %x\n", par); - -	/* Map rom 0x10000 with PAR1 */ -	sc520_mmcr->par[1] = par; - -	return PCI_ROM_TEMP_SPACE; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void pci_remove_rom_window(struct pci_controller *hose, u32 addr) -{ -	PRINTF("pci_remove_rom_window: %x", addr); -	if (addr == PCI_ROM_TEMP_SPACE) { -		sc520_mmcr->par[1] = 0; -		PRINTF(" done\n"); -		return; -	} -	PRINTF(" not ours\n"); - -} - -/* - * This function is called in order to provide acces to the - * legacy video I/O ports on the PCI bus. - * After this function accesses to I/O ports 0x3b0-0x3bb and - * 0x3c0-0x3df shuld result in transactions on the PCI bus. - * - */ -int pci_enable_legacy_video_ports(struct pci_controller *hose) -{ -	/* Map video memory to 0xa0000*/ -	sc520_mmcr->par[0] = 0x7200400a; - -	/* forward all I/O accesses to PCI */ -	sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | IO_HOLE_DEST_PCI; - - -	/* so we map away all io ports to pci (only way to access pci io -	 * below 0x400. But then we have to map back the portions that we dont -	 * use so that the generate cycles on the GPIO bus where the sio and -	 * ISA slots are connected, this requre the use of several PAR registers -	 */ - -	/* bring 0x100 - 0x1ef back to ISA using PAR5 */ -	sc520_mmcr->par[5] = 0x30ef0100; - -	/* IDE use 1f0-1f7 */ - -	/* bring 0x1f8 - 0x2f7 back to ISA using PAR6 */ -	sc520_mmcr->par[6] = 0x30ff01f8; - -	/* com2 use 2f8-2ff */ - -	/* bring 0x300 - 0x3af back to ISA using PAR7 */ -	sc520_mmcr->par[7] = 0x30af0300; - -	/* vga use 3b0-3bb */ - -	/* bring 0x3bc - 0x3bf back to ISA using PAR8 */ -	sc520_mmcr->par[8] = 0x300303bc; - -	/* vga use 3c0-3df */ - -	/* bring 0x3e0 - 0x3f5 back to ISA using PAR9 */ -	sc520_mmcr->par[9] = 0x301503e0; - -	/* ide use 3f6 */ - -	/* bring 0x3f7  back to ISA using PAR10 */ -	sc520_mmcr->par[10] = 0x300003f7; - -	/* com1 use 3f8-3ff */ - -	return 0; -} -#endif - -/*   * Miscelaneous platform dependent initialisations   */ diff --git a/board/sc520_cdp/sc520_cdp_pci.c b/board/sc520_cdp/sc520_cdp_pci.c new file mode 100644 index 000000000..ccb79888d --- /dev/null +++ b/board/sc520_cdp/sc520_cdp_pci.c @@ -0,0 +1,271 @@ +/* + * + * (C) Copyright 2002 + * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <pci.h> +#include <asm/io.h> +#include <asm/pci.h> +#include <asm/ic/sc520.h> +#include <asm/ic/pci.h> + +DECLARE_GLOBAL_DATA_PTR; + +#undef SC520_CDP_DEBUG + +#ifdef	SC520_CDP_DEBUG +#define	PRINTF(fmt,args...)	printf (fmt ,##args) +#else +#define PRINTF(fmt,args...) +#endif + +static void pci_sc520_cdp_fixup_irq(struct pci_controller *hose, pci_dev_t dev) +{ +	/* a configurable lists of irqs to steal +	 * when we need one (a board with more pci interrupt pins +	 * would use a larger table */ +	static int irq_list[] = { +		CONFIG_SYS_FIRST_PCI_IRQ, +		CONFIG_SYS_SECOND_PCI_IRQ, +		CONFIG_SYS_THIRD_PCI_IRQ, +		CONFIG_SYS_FORTH_PCI_IRQ +	}; +	static int next_irq_index=0; + +	uchar tmp_pin; +	int pin; + +	pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &tmp_pin); +	pin = tmp_pin; + +	pin-=1; /* pci config space use 1-based numbering */ +	if (-1 == pin) { +		return; /* device use no irq */ +	} + + +	/* map device number +  pin to a pin on the sc520 */ +	switch (PCI_DEV(dev)) { +	case 20: +		pin+=SC520_PCI_INTA; +		break; + +	case 19: +		pin+=SC520_PCI_INTB; +		break; + +	case 18: +		pin+=SC520_PCI_INTC; +		break; + +	case 17: +		pin+=SC520_PCI_INTD; +		break; + +	default: +		return; +	} + +	pin&=3; /* wrap around */ + +	if (sc520_pci_ints[pin] == -1) { +		/* re-route one interrupt for us */ +		if (next_irq_index > 3) { +			return; +		} +		if (pci_sc520_set_irq(pin, irq_list[next_irq_index])) { +			return; +		} +		next_irq_index++; +	} + + +	if (-1 != sc520_pci_ints[pin]) { +		pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, +					   sc520_pci_ints[pin]); +	} +	PRINTF("fixup_irq: device %d pin %c irq %d\n", +	       PCI_DEV(dev), 'A' + pin, sc520_pci_ints[pin]); +} + +static struct pci_controller sc520_cdp_hose = { +	fixup_irq: pci_sc520_cdp_fixup_irq, +}; + +void pci_init_board(void) +{ +	pci_sc520_init(&sc520_cdp_hose); +} + +/* + * This function should map a chunk of size bytes + * of the system address space to the ISA bus + * + * The function will return the memory address + * as seen by the host (which may very will be the + * same as the bus address) + */ +u32 isa_map_rom(u32 bus_addr, int size) +{ +	u32 par; + +	PRINTF("isa_map_rom asked to map %d bytes at %x\n", +	       size, bus_addr); + +	par = size; +	if (par < 0x80000) { +		par = 0x80000; +	} +	par >>= 12; +	par--; +	par&=0x7f; +	par <<= 18; +	par |= (bus_addr>>12); +	par |= 0x50000000; + +	PRINTF ("setting PAR11 to %x\n", par); + +	/* Map rom 0x10000 with PAR1 */ +	sc520_mmcr->par[11] = par; + +	return bus_addr; +} + +/* + * this function removed any mapping created + * with pci_get_rom_window() + */ +void isa_unmap_rom(u32 addr) +{ +	PRINTF("isa_unmap_rom asked to unmap %x", addr); +	if ((addr>>12) == (sc520_mmcr->par[11] & 0x3ffff)) { +		sc520_mmcr->par[11] = 0; +		PRINTF(" done\n"); +		return; +	} +	PRINTF(" not ours\n"); +} + +#define PCI_ROM_TEMP_SPACE 0x10000 +/* + * This function should map a chunk of size bytes + * of the system address space to the PCI bus, + * suitable to map PCI ROMS (bus address < 16M) + * the function will return the host memory address + * which should be converted into a bus address + * before used to configure the PCI rom address + * decoder + */ +u32 pci_get_rom_window(struct pci_controller *hose, int size) +{ +	u32 par; + +	par = size; +	if (par < 0x80000) { +		par = 0x80000; +	} +	par >>= 16; +	par--; +	par&=0x7ff; +	par <<= 14; +	par |= (PCI_ROM_TEMP_SPACE>>16); +	par |= 0x72000000; + +	PRINTF ("setting PAR1 to %x\n", par); + +	/* Map rom 0x10000 with PAR1 */ +	sc520_mmcr->par[1] = par; + +	return PCI_ROM_TEMP_SPACE; +} + +/* + * this function removed any mapping created + * with pci_get_rom_window() + */ +void pci_remove_rom_window(struct pci_controller *hose, u32 addr) +{ +	PRINTF("pci_remove_rom_window: %x", addr); +	if (addr == PCI_ROM_TEMP_SPACE) { +		sc520_mmcr->par[1] = 0; +		PRINTF(" done\n"); +		return; +	} +	PRINTF(" not ours\n"); + +} + +/* + * This function is called in order to provide acces to the + * legacy video I/O ports on the PCI bus. + * After this function accesses to I/O ports 0x3b0-0x3bb and + * 0x3c0-0x3df shuld result in transactions on the PCI bus. + * + */ +int pci_enable_legacy_video_ports(struct pci_controller *hose) +{ +	/* Map video memory to 0xa0000*/ +	sc520_mmcr->par[0] = 0x7200400a; + +	/* forward all I/O accesses to PCI */ +	sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | IO_HOLE_DEST_PCI; + + +	/* so we map away all io ports to pci (only way to access pci io +	 * below 0x400. But then we have to map back the portions that we dont +	 * use so that the generate cycles on the GPIO bus where the sio and +	 * ISA slots are connected, this requre the use of several PAR registers +	 */ + +	/* bring 0x100 - 0x1ef back to ISA using PAR5 */ +	sc520_mmcr->par[5] = 0x30ef0100; + +	/* IDE use 1f0-1f7 */ + +	/* bring 0x1f8 - 0x2f7 back to ISA using PAR6 */ +	sc520_mmcr->par[6] = 0x30ff01f8; + +	/* com2 use 2f8-2ff */ + +	/* bring 0x300 - 0x3af back to ISA using PAR7 */ +	sc520_mmcr->par[7] = 0x30af0300; + +	/* vga use 3b0-3bb */ + +	/* bring 0x3bc - 0x3bf back to ISA using PAR8 */ +	sc520_mmcr->par[8] = 0x300303bc; + +	/* vga use 3c0-3df */ + +	/* bring 0x3e0 - 0x3f5 back to ISA using PAR9 */ +	sc520_mmcr->par[9] = 0x301503e0; + +	/* ide use 3f6 */ + +	/* bring 0x3f7  back to ISA using PAR10 */ +	sc520_mmcr->par[10] = 0x300003f7; + +	/* com1 use 3f8-3ff */ + +	return 0; +} diff --git a/board/sc520_spunk/Makefile b/board/sc520_spunk/Makefile index e04172e3b..06fa2f3f4 100644 --- a/board/sc520_spunk/Makefile +++ b/board/sc520_spunk/Makefile @@ -28,12 +28,14 @@ include $(TOPDIR)/config.mk  LIB	= $(obj)lib$(BOARD).a -COBJS	:= sc520_spunk.o flash.o -SOBJS	:= sc520_spunk_asm.o sc520_spunk_asm16.o +COBJS-y	+= sc520_spunk.o +COBJS-y	+= flash.o +COBJS-$(CONFIG_PCI) += sc520_spunk_pci.o +SOBJS-y	+= sc520_spunk_asm.o +SOBJS-y	+= sc520_spunk_asm16.o -SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS	:= $(addprefix $(obj),$(COBJS)) -SOBJS	:= $(addprefix $(obj),$(SOBJS)) +SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))  $(LIB):	$(obj).depend $(OBJS) $(SOBJS)  	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) diff --git a/board/sc520_spunk/sc520_spunk.c b/board/sc520_spunk/sc520_spunk.c index dbb5c48d6..09f11bb4f 100644 --- a/board/sc520_spunk/sc520_spunk.c +++ b/board/sc520_spunk/sc520_spunk.c @@ -23,13 +23,10 @@   */  #include <common.h> -#include <pci.h>  #include <netdev.h>  #include <ds1722.h>  #include <asm/io.h> -#include <asm/pci.h>  #include <asm/ic/sc520.h> -#include <asm/ic/pci.h>  #include <asm/ic/ssi.h>  DECLARE_GLOBAL_DATA_PTR; @@ -98,156 +95,6 @@ static void irq_init(void)  } - -/* PCI stuff */ -static void pci_sc520_spunk_fixup_irq(struct pci_controller *hose, pci_dev_t dev) -{ -	int version = sc520_mmcr->sysinfo; - -	/* a configurable lists of irqs to steal -	 * when we need one (a board with more pci interrupt pins -	 * would use a larger table */ -	static int irq_list[] = { -		CONFIG_SYS_FIRST_PCI_IRQ, -		CONFIG_SYS_SECOND_PCI_IRQ, -		CONFIG_SYS_THIRD_PCI_IRQ, -		CONFIG_SYS_FORTH_PCI_IRQ -	}; -	static int next_irq_index=0; - -	uchar tmp_pin; -	int pin; - -	pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &tmp_pin); -	pin = tmp_pin; - -	pin-=1; /* pci config space use 1-based numbering */ -	if (-1 == pin) { -		return; /* device use no irq */ -	} - - -	/* map device number +  pin to a pin on the sc520 */ -	switch (PCI_DEV(dev)) { -	case 6:  /* ETH0 */ -		pin+=SC520_PCI_INTA; -		break; - -	case 7:  /* ETH1 */ -		pin+=SC520_PCI_INTB; -		break; - -	case 8:  /* Crypto */ -		pin+=SC520_PCI_INTC; -		break; - -	case 9: /* PMC slot */ -		pin+=SC520_PCI_INTD; -		break; - -	case 10: /* PC-Card */ - -		if (version < 10) { -			pin+=SC520_PCI_INTD; -		} else { -			pin+=SC520_PCI_INTC; -		} -		break; - -	default: -		return; -	} - -	pin&=3; /* wrap around */ - -	if (sc520_pci_ints[pin] == -1) { -		/* re-route one interrupt for us */ -		if (next_irq_index > 3) { -			return; -		} -		if (pci_sc520_set_irq(pin, irq_list[next_irq_index])) { -			return; -		} -		next_irq_index++; -	} - - -	if (-1 != sc520_pci_ints[pin]) { -		pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, -					   sc520_pci_ints[pin]); -	} -#if 0 -	printf("fixup_irq: device %d pin %c irq %d\n", -	       PCI_DEV(dev), 'A' + pin, sc520_pci_ints[pin]); -#endif -} - - -static void pci_sc520_spunk_configure_cardbus(struct pci_controller *hose, -					      pci_dev_t dev, struct pci_config_table *te) -{ -	u32 io_base; -	u32 temp; - -	pciauto_config_device(hose, dev); - -	pci_hose_write_config_word(hose, dev, PCI_COMMAND, 0x07);  /* enable device */ -	pci_hose_write_config_byte(hose, dev, 0x0c, 0x10);         /* cacheline size */ -	pci_hose_write_config_byte(hose, dev, 0x0d, 0x40);         /* latency timer */ -	pci_hose_write_config_byte(hose, dev, 0x1b, 0x40);         /* cardbus latency timer */ -	pci_hose_write_config_word(hose, dev, PCI_BRIDGE_CONTROL, 0x0040);  /* reset cardbus */ -	pci_hose_write_config_word(hose, dev, PCI_BRIDGE_CONTROL, 0x0080);  /* route interrupts though ExCA */ -	pci_hose_write_config_word(hose, dev,  0x44, 0x3e0); /* map legacy I/O port to 0x3e0 */ - -	pci_hose_read_config_dword(hose, dev,  0x80, &temp); /* System control */ -	pci_hose_write_config_dword(hose, dev,  0x80, temp | 0x60); /* System control: disable clockrun */ -	/* route MF0 to ~INT and MF3 to IRQ7 -	 * reserve all others */ -	pci_hose_write_config_dword(hose, dev, 0x8c, 0x00007002); -	pci_hose_write_config_byte(hose, dev, 0x91, 0x00);    /* card control */ -	pci_hose_write_config_byte(hose, dev, 0x92, 0x62);    /* device control */ - -	if (te->device != 0xac56) { -		pci_hose_write_config_byte(hose, dev, 0x93, 0x21);    /* async interrupt enable */ -		pci_hose_write_config_word(hose, dev, 0xa8, 0x0000);  /* reset GPIO */ -		pci_hose_write_config_word(hose, dev, 0xac, 0x0000);  /* reset GPIO */ -		pci_hose_write_config_word(hose, dev, 0xaa, 0x0000);  /* reset GPIO */ -		pci_hose_write_config_word(hose, dev, 0xae, 0x0000);  /* reset GPIO */ -	} else { -		pci_hose_write_config_byte(hose, dev, 0x93, 0x20);    /*  */ -	} -	pci_hose_write_config_word(hose, dev, 0xa4, 0x8000);  /* reset power management */ - - -	pci_hose_read_config_dword(hose, dev, PCI_BASE_ADDRESS_0, &io_base); -	io_base &= ~0xfL; - -	writeb(0x07, io_base+0x803); /* route CSC irq though ExCA and enable IRQ7 */ -	writel(0, io_base+0x10);     /* CLKRUN default */ -	writel(0, io_base+0x20);     /* CLKRUN default */ - -} - - -static struct pci_config_table pci_sc520_spunk_config_table[] = { -	{ 0x104c, 0xac50, PCI_ANY_ID, 0, 0x0a, 0, pci_sc520_spunk_configure_cardbus, { 0, 0, 0} }, -	{ 0x104c, 0xac56, PCI_ANY_ID, 0, 0x0a, 0, pci_sc520_spunk_configure_cardbus, { 0, 0, 0} }, -	{ 0, 0, 0, 0, 0, 0, NULL, {0,0,0}} -}; - -static struct pci_controller sc520_spunk_hose = { -	fixup_irq: pci_sc520_spunk_fixup_irq, -	config_table: pci_sc520_spunk_config_table, -	first_busno: 0x00, -	last_busno: 0xff, -}; - -void pci_init_board(void) -{ -	pci_sc520_init(&sc520_spunk_hose); -} - -  /* set up the ISA bus timing and system address mappings */  static void bus_init(void)  { @@ -334,151 +181,6 @@ static void bus_init(void)   */  /* - * This function should map a chunk of size bytes - * of the system address space to the ISA bus - * - * The function will return the memory address - * as seen by the host (which may very will be the - * same as the bus address) - */ -u32 isa_map_rom(u32 bus_addr, int size) -{ -	u32 par; - -	printf("isa_map_rom asked to map %d bytes at %x\n", -	       size, bus_addr); - -	par = size; -	if (par < 0x80000) { -		par = 0x80000; -	} -	par >>= 12; -	par--; -	par&=0x7f; -	par <<= 18; -	par |= (bus_addr>>12); -	par |= 0x50000000; - -	printf ("setting PAR11 to %x\n", par); - -	/* Map rom 0x10000 with PAR1 */ -	sc520_mmcr->par[11] = par; - -	return bus_addr; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void isa_unmap_rom(u32 addr) -{ -	printf("isa_unmap_rom asked to unmap %x", addr); -	if ((addr>>12) == (sc520_mmcr->par[11] & 0x3ffff)) { -		sc520_mmcr->par[11] = 0; -		printf(" done\n"); -		return; -	} -	printf(" not ours\n"); -} - -#ifdef CONFIG_PCI -#define PCI_ROM_TEMP_SPACE 0x10000 -/* - * This function should map a chunk of size bytes - * of the system address space to the PCI bus, - * suitable to map PCI ROMS (bus address < 16M) - * the function will return the host memory address - * which should be converted into a bus address - * before used to configure the PCI rom address - * decoder - */ -u32 pci_get_rom_window(struct pci_controller *hose, int size) -{ -	u32 par; - -	par = size; -	if (par < 0x80000) { -		par = 0x80000; -	} -	par >>= 16; -	par--; -	par&=0x7ff; -	par <<= 14; -	par |= (PCI_ROM_TEMP_SPACE>>16); -	par |= 0x72000000; - -	printf ("setting PAR1 to %x\n", par); - -	/* Map rom 0x10000 with PAR1 */ -	sc520_mmcr->par[1] = par; - -	return PCI_ROM_TEMP_SPACE; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void pci_remove_rom_window(struct pci_controller *hose, u32 addr) -{ -	printf("pci_remove_rom_window: %x", addr); -	if (addr == PCI_ROM_TEMP_SPACE) { -		sc520_mmcr->par[1] = 0; -		printf(" done\n"); -		return; -	} -	printf(" not ours\n"); - -} - -/* - * This function is called in order to provide acces to the - * legacy video I/O ports on the PCI bus. - * After this function accesses to I/O ports 0x3b0-0x3bb and - * 0x3c0-0x3df shuld result in transactions on the PCI bus. - * - */ -int pci_enable_legacy_video_ports(struct pci_controller *hose) -{ -	/* Map video memory to 0xa0000*/ -	sc520_mmcr->par[0] = 0x7200400a; - -	/* forward all I/O accesses to PCI */ -	sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | IO_HOLE_DEST_PCI; - - -	/* so we map away all io ports to pci (only way to access pci io -	 * below 0x400. But then we have to map back the portions that we dont -	 * use so that the generate cycles on the GPIO bus where the sio and -	 * ISA slots are connected, this requre the use of several PAR registers -	 */ - -	/* bring 0x100 - 0x2f7 back to ISA using PAR5 */ -	sc520_mmcr->par[5] = 0x31f70100; - -	/* com2 use 2f8-2ff */ - -	/* bring 0x300 - 0x3af back to ISA using PAR7 */ -	sc520_mmcr->par[7] = 0x30af0300; - -	/* vga use 3b0-3bb */ - -	/* bring 0x3bc - 0x3bf back to ISA using PAR8 */ -	sc520_mmcr->par[8] = 0x300303bc; - -	/* vga use 3c0-3df */ - -	/* bring 0x3e0 - 0x3f7 back to ISA using PAR9 */ -	sc520_mmcr->par[9] = 0x301703e0; - -	/* com1 use 3f8-3ff */ - -	return 0; -} -#endif - -/*   * Miscelaneous platform dependent initialisations   */ diff --git a/board/sc520_spunk/sc520_spunk_pci.c b/board/sc520_spunk/sc520_spunk_pci.c new file mode 100644 index 000000000..1b5d0f17f --- /dev/null +++ b/board/sc520_spunk/sc520_spunk_pci.c @@ -0,0 +1,323 @@ +/* + * + * (C) Copyright 2002 + * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <pci.h> +#include <ds1722.h> +#include <asm/io.h> +#include <asm/pci.h> +#include <asm/ic/sc520.h> +#include <asm/ic/pci.h> + +DECLARE_GLOBAL_DATA_PTR; + +static void pci_sc520_spunk_fixup_irq(struct pci_controller *hose, pci_dev_t dev) +{ +	int version = sc520_mmcr->sysinfo; + +	/* a configurable lists of irqs to steal +	 * when we need one (a board with more pci interrupt pins +	 * would use a larger table */ +	static int irq_list[] = { +		CONFIG_SYS_FIRST_PCI_IRQ, +		CONFIG_SYS_SECOND_PCI_IRQ, +		CONFIG_SYS_THIRD_PCI_IRQ, +		CONFIG_SYS_FORTH_PCI_IRQ +	}; +	static int next_irq_index=0; + +	uchar tmp_pin; +	int pin; + +	pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &tmp_pin); +	pin = tmp_pin; + +	pin-=1; /* pci config space use 1-based numbering */ +	if (-1 == pin) { +		return; /* device use no irq */ +	} + + +	/* map device number +  pin to a pin on the sc520 */ +	switch (PCI_DEV(dev)) { +	case 6:  /* ETH0 */ +		pin+=SC520_PCI_INTA; +		break; + +	case 7:  /* ETH1 */ +		pin+=SC520_PCI_INTB; +		break; + +	case 8:  /* Crypto */ +		pin+=SC520_PCI_INTC; +		break; + +	case 9: /* PMC slot */ +		pin+=SC520_PCI_INTD; +		break; + +	case 10: /* PC-Card */ + +		if (version < 10) { +			pin+=SC520_PCI_INTD; +		} else { +			pin+=SC520_PCI_INTC; +		} +		break; + +	default: +		return; +	} + +	pin&=3; /* wrap around */ + +	if (sc520_pci_ints[pin] == -1) { +		/* re-route one interrupt for us */ +		if (next_irq_index > 3) { +			return; +		} +		if (pci_sc520_set_irq(pin, irq_list[next_irq_index])) { +			return; +		} +		next_irq_index++; +	} + + +	if (-1 != sc520_pci_ints[pin]) { +		pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, +					   sc520_pci_ints[pin]); +	} +#if 0 +	printf("fixup_irq: device %d pin %c irq %d\n", +	       PCI_DEV(dev), 'A' + pin, sc520_pci_ints[pin]); +#endif +} + + +static void pci_sc520_spunk_configure_cardbus(struct pci_controller *hose, +					      pci_dev_t dev, struct pci_config_table *te) +{ +	u32 io_base; +	u32 temp; + +	pciauto_config_device(hose, dev); + +	pci_hose_write_config_word(hose, dev, PCI_COMMAND, 0x07);  /* enable device */ +	pci_hose_write_config_byte(hose, dev, 0x0c, 0x10);         /* cacheline size */ +	pci_hose_write_config_byte(hose, dev, 0x0d, 0x40);         /* latency timer */ +	pci_hose_write_config_byte(hose, dev, 0x1b, 0x40);         /* cardbus latency timer */ +	pci_hose_write_config_word(hose, dev, PCI_BRIDGE_CONTROL, 0x0040);  /* reset cardbus */ +	pci_hose_write_config_word(hose, dev, PCI_BRIDGE_CONTROL, 0x0080);  /* route interrupts though ExCA */ +	pci_hose_write_config_word(hose, dev,  0x44, 0x3e0); /* map legacy I/O port to 0x3e0 */ + +	pci_hose_read_config_dword(hose, dev,  0x80, &temp); /* System control */ +	pci_hose_write_config_dword(hose, dev,  0x80, temp | 0x60); /* System control: disable clockrun */ +	/* route MF0 to ~INT and MF3 to IRQ7 +	 * reserve all others */ +	pci_hose_write_config_dword(hose, dev, 0x8c, 0x00007002); +	pci_hose_write_config_byte(hose, dev, 0x91, 0x00);    /* card control */ +	pci_hose_write_config_byte(hose, dev, 0x92, 0x62);    /* device control */ + +	if (te->device != 0xac56) { +		pci_hose_write_config_byte(hose, dev, 0x93, 0x21);    /* async interrupt enable */ +		pci_hose_write_config_word(hose, dev, 0xa8, 0x0000);  /* reset GPIO */ +		pci_hose_write_config_word(hose, dev, 0xac, 0x0000);  /* reset GPIO */ +		pci_hose_write_config_word(hose, dev, 0xaa, 0x0000);  /* reset GPIO */ +		pci_hose_write_config_word(hose, dev, 0xae, 0x0000);  /* reset GPIO */ +	} else { +		pci_hose_write_config_byte(hose, dev, 0x93, 0x20);    /*  */ +	} +	pci_hose_write_config_word(hose, dev, 0xa4, 0x8000);  /* reset power management */ + + +	pci_hose_read_config_dword(hose, dev, PCI_BASE_ADDRESS_0, &io_base); +	io_base &= ~0xfL; + +	writeb(0x07, io_base+0x803); /* route CSC irq though ExCA and enable IRQ7 */ +	writel(0, io_base+0x10);     /* CLKRUN default */ +	writel(0, io_base+0x20);     /* CLKRUN default */ + +} + + +static struct pci_config_table pci_sc520_spunk_config_table[] = { +	{ 0x104c, 0xac50, PCI_ANY_ID, 0, 0x0a, 0, pci_sc520_spunk_configure_cardbus, { 0, 0, 0} }, +	{ 0x104c, 0xac56, PCI_ANY_ID, 0, 0x0a, 0, pci_sc520_spunk_configure_cardbus, { 0, 0, 0} }, +	{ 0, 0, 0, 0, 0, 0, NULL, {0,0,0}} +}; + +static struct pci_controller sc520_spunk_hose = { +	fixup_irq: pci_sc520_spunk_fixup_irq, +	config_table: pci_sc520_spunk_config_table, +	first_busno: 0x00, +	last_busno: 0xff, +}; + +void pci_init_board(void) +{ +	pci_sc520_init(&sc520_spunk_hose); +} + +/* + * This function should map a chunk of size bytes + * of the system address space to the ISA bus + * + * The function will return the memory address + * as seen by the host (which may very will be the + * same as the bus address) + */ +u32 isa_map_rom(u32 bus_addr, int size) +{ +	u32 par; + +	printf("isa_map_rom asked to map %d bytes at %x\n", +	       size, bus_addr); + +	par = size; +	if (par < 0x80000) { +		par = 0x80000; +	} +	par >>= 12; +	par--; +	par&=0x7f; +	par <<= 18; +	par |= (bus_addr>>12); +	par |= 0x50000000; + +	printf ("setting PAR11 to %x\n", par); + +	/* Map rom 0x10000 with PAR1 */ +	sc520_mmcr->par[11] = par; + +	return bus_addr; +} + +/* + * this function removed any mapping created + * with pci_get_rom_window() + */ +void isa_unmap_rom(u32 addr) +{ +	printf("isa_unmap_rom asked to unmap %x", addr); +	if ((addr>>12) == (sc520_mmcr->par[11] & 0x3ffff)) { +		sc520_mmcr->par[11] = 0; +		printf(" done\n"); +		return; +	} +	printf(" not ours\n"); +} + +#define PCI_ROM_TEMP_SPACE 0x10000 +/* + * This function should map a chunk of size bytes + * of the system address space to the PCI bus, + * suitable to map PCI ROMS (bus address < 16M) + * the function will return the host memory address + * which should be converted into a bus address + * before used to configure the PCI rom address + * decoder + */ +u32 pci_get_rom_window(struct pci_controller *hose, int size) +{ +	u32 par; + +	par = size; +	if (par < 0x80000) { +		par = 0x80000; +	} +	par >>= 16; +	par--; +	par&=0x7ff; +	par <<= 14; +	par |= (PCI_ROM_TEMP_SPACE>>16); +	par |= 0x72000000; + +	printf ("setting PAR1 to %x\n", par); + +	/* Map rom 0x10000 with PAR1 */ +	sc520_mmcr->par[1] = par; + +	return PCI_ROM_TEMP_SPACE; +} + +/* + * this function removed any mapping created + * with pci_get_rom_window() + */ +void pci_remove_rom_window(struct pci_controller *hose, u32 addr) +{ +	printf("pci_remove_rom_window: %x", addr); +	if (addr == PCI_ROM_TEMP_SPACE) { +		sc520_mmcr->par[1] = 0; +		printf(" done\n"); +		return; +	} +	printf(" not ours\n"); + +} + +/* + * This function is called in order to provide acces to the + * legacy video I/O ports on the PCI bus. + * After this function accesses to I/O ports 0x3b0-0x3bb and + * 0x3c0-0x3df shuld result in transactions on the PCI bus. + * + */ +int pci_enable_legacy_video_ports(struct pci_controller *hose) +{ +	/* Map video memory to 0xa0000*/ +	sc520_mmcr->par[0] = 0x7200400a; + +	/* forward all I/O accesses to PCI */ +	sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | IO_HOLE_DEST_PCI; + + +	/* so we map away all io ports to pci (only way to access pci io +	 * below 0x400. But then we have to map back the portions that we dont +	 * use so that the generate cycles on the GPIO bus where the sio and +	 * ISA slots are connected, this requre the use of several PAR registers +	 */ + +	/* bring 0x100 - 0x2f7 back to ISA using PAR5 */ +	sc520_mmcr->par[5] = 0x31f70100; + +	/* com2 use 2f8-2ff */ + +	/* bring 0x300 - 0x3af back to ISA using PAR7 */ +	sc520_mmcr->par[7] = 0x30af0300; + +	/* vga use 3b0-3bb */ + +	/* bring 0x3bc - 0x3bf back to ISA using PAR8 */ +	sc520_mmcr->par[8] = 0x300303bc; + +	/* vga use 3c0-3df */ + +	/* bring 0x3e0 - 0x3f7 back to ISA using PAR9 */ +	sc520_mmcr->par[9] = 0x301703e0; + +	/* com1 use 3f8-3ff */ + +	return 0; +} diff --git a/lib_i386/Makefile b/lib_i386/Makefile index ec6f23605..bb9b330ac 100644 --- a/lib_i386/Makefile +++ b/lib_i386/Makefile @@ -32,8 +32,8 @@ SOBJS-y	+= realmode_switch.o  COBJS-y	+= bios_setup.o  COBJS-y	+= board.o  COBJS-y	+= bootm.o -COBJS-y	+= pci.o -COBJS-y	+= pci_type1.o +COBJS-$(CONFIG_PCI) += pci.o +COBJS-$(CONFIG_PCI) += pci_type1.o  COBJS-y	+= realmode.o  COBJS-y	+= video_bios.o  COBJS-y	+= video.o diff --git a/lib_i386/pci.c b/lib_i386/pci.c index f366bdc67..9020e7ce7 100644 --- a/lib_i386/pci.c +++ b/lib_i386/pci.c @@ -26,7 +26,6 @@  #include <asm/io.h>  #include <asm/pci.h> -#ifdef CONFIG_PCI  #undef PCI_ROM_SCAN_VERBOSE  int pci_shadow_rom(pci_dev_t dev, unsigned char *dest) @@ -151,5 +150,3 @@ int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)  	return res;  } - -#endif diff --git a/lib_i386/pci_type1.c b/lib_i386/pci_type1.c index 8da8c1ced..225ae4a99 100644 --- a/lib_i386/pci_type1.c +++ b/lib_i386/pci_type1.c @@ -11,9 +11,6 @@   */  #include <common.h> - -#ifdef CONFIG_PCI -  #include <asm/io.h>  #include <pci.h> @@ -52,5 +49,3 @@ void pci_setup_type1(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data)  	hose->cfg_addr = (unsigned int *) cfg_addr;  	hose->cfg_data = (unsigned char *) cfg_data;  } - -#endif |