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| author | Kim Phillips <kim.phillips@freescale.com> | 2009-07-18 18:42:13 -0500 | 
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2009-07-18 19:43:04 -0500 | 
| commit | 9993e196da707a0a1cd4584f1fcef12382c1c144 (patch) | |
| tree | 0773fb15441d2175f439111d87219d7b20e620ac /board/sbc8349/pci.c | |
| parent | d39041fcadb1231430201d298c31f6be03d654f7 (diff) | |
| download | olio-uboot-2014.01-9993e196da707a0a1cd4584f1fcef12382c1c144.tar.xz olio-uboot-2014.01-9993e196da707a0a1cd4584f1fcef12382c1c144.zip | |
mpc83xx: convert all remaining boards over to 83XX_GENERIC_PCI
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'board/sbc8349/pci.c')
| -rw-r--r-- | board/sbc8349/pci.c | 340 | 
1 files changed, 31 insertions, 309 deletions
| diff --git a/board/sbc8349/pci.c b/board/sbc8349/pci.c index ac5f30b46..ca53356ca 100644 --- a/board/sbc8349/pci.c +++ b/board/sbc8349/pci.c @@ -1,6 +1,7 @@  /*   * pci.c -- WindRiver SBC8349 PCI board support.   * Copyright (c) 2006 Wind River Systems, Inc. + * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.   *   * Based on MPC8349 PCI support but w/o PIB related code.   * @@ -25,51 +26,37 @@   */  #include <asm/mmu.h> +#include <asm/io.h>  #include <common.h> -#include <asm/global_data.h> +#include <mpc83xx.h>  #include <pci.h> -#include <asm/mpc8349_pci.h>  #include <i2c.h> -#if defined(CONFIG_OF_LIBFDT) -#include <libfdt.h> -#include <fdt_support.h> -#endif +#include <asm/fsl_i2c.h>  DECLARE_GLOBAL_DATA_PTR; -#ifdef CONFIG_PCI - -/* System RAM mapped to PCI space */ -#define CONFIG_PCI_SYS_MEM_BUS	CONFIG_SYS_SDRAM_BASE -#define CONFIG_PCI_SYS_MEM_PHYS	CONFIG_SYS_SDRAM_BASE - -#ifndef CONFIG_PCI_PNP -static struct pci_config_table pci_mpc8349emds_config_table[] = { -	{PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, -	 PCI_IDSEL_NUMBER, PCI_ANY_ID, -	 pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, -				     PCI_ENET0_MEMADDR, -				     PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER -		} +static struct pci_region pci1_regions[] = { +	{ +		bus_start: CONFIG_SYS_PCI1_MEM_BASE, +		phys_start: CONFIG_SYS_PCI1_MEM_PHYS, +		size: CONFIG_SYS_PCI1_MEM_SIZE, +		flags: PCI_REGION_MEM | PCI_REGION_PREFETCH +	}, +	{ +		bus_start: CONFIG_SYS_PCI1_IO_BASE, +		phys_start: CONFIG_SYS_PCI1_IO_PHYS, +		size: CONFIG_SYS_PCI1_IO_SIZE, +		flags: PCI_REGION_IO +	}, +	{ +		bus_start: CONFIG_SYS_PCI1_MMIO_BASE, +		phys_start: CONFIG_SYS_PCI1_MMIO_PHYS, +		size: CONFIG_SYS_PCI1_MMIO_SIZE, +		flags: PCI_REGION_MEM  	}, -	{} -}; -#endif - -static struct pci_controller pci_hose[] = { -       { -#ifndef CONFIG_PCI_PNP -       config_table:pci_mpc8349emds_config_table, -#endif -       }, -       { -#ifndef CONFIG_PCI_PNP -       config_table:pci_mpc8349emds_config_table, -#endif -       }  }; -/************************************************************************** +/*   * pci_init_board()   *   * NOTICE: PCI2 is not supported. There is only one @@ -79,288 +66,23 @@ static struct pci_controller pci_hose[] = {  void  pci_init_board(void)  { -	volatile immap_t *	immr; -	volatile clk83xx_t *	clk; -	volatile law83xx_t *	pci_law; -	volatile pot83xx_t *	pci_pot; -	volatile pcictrl83xx_t *	pci_ctrl; -	volatile pciconf83xx_t *	pci_conf; -	u16 reg16; -	u32 reg32; -	u32 dev; -	struct	pci_controller * hose; - -	immr = (immap_t *)CONFIG_SYS_IMMR; -	clk = (clk83xx_t *)&immr->clk; -	pci_law = immr->sysconf.pcilaw; -	pci_pot = immr->ios.pot; -	pci_ctrl = immr->pci_ctrl; -	pci_conf = immr->pci_conf; - -	hose = &pci_hose[0]; +	volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; +	volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; +	volatile law83xx_t *pci_law = immr->sysconf.pcilaw; +	struct pci_region *reg[] = { pci1_regions }; -	/* -	 * Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode -	 */ - -	reg32 = clk->occr; -	udelay(2000); +	/* Enable all 8 PCI_CLK_OUTPUTS */  	clk->occr = 0xff000000;  	udelay(2000); -	/* -	 * Release PCI RST Output signal -	 */ -	pci_ctrl[0].gcr = 0; -	udelay(2000); -	pci_ctrl[0].gcr = 1; - -#ifdef CONFIG_MPC83XX_PCI2 -	pci_ctrl[1].gcr = 0; -	udelay(2000); -	pci_ctrl[1].gcr = 1; -#endif - -	/* We need to wait at least a 1sec based on PCI specs */ -	{ -		int i; - -		for (i = 0; i < 1000; ++i) -			udelay (1000); -	} - -	/* -	 * Configure PCI Local Access Windows -	 */ +	/* Configure PCI Local Access Windows */  	pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;  	pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G;  	pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;  	pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M; -	/* -	 * Configure PCI Outbound Translation Windows -	 */ - -	/* PCI1 mem space - prefetch */ -	pci_pot[0].potar = (CONFIG_SYS_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK; -	pci_pot[0].pobar = (CONFIG_SYS_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK; -	pci_pot[0].pocmr = POCMR_EN | POCMR_PREFETCH_EN | (POCMR_CM_256M & POCMR_CM_MASK); - -	/* PCI1 IO space */ -	pci_pot[1].potar = (CONFIG_SYS_PCI1_IO_BASE >> 12) & POTAR_TA_MASK; -	pci_pot[1].pobar = (CONFIG_SYS_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK; -	pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_1M & POCMR_CM_MASK); - -	/* PCI1 mmio - non-prefetch mem space */ -	pci_pot[2].potar = (CONFIG_SYS_PCI1_MMIO_BASE >> 12) & POTAR_TA_MASK; -	pci_pot[2].pobar = (CONFIG_SYS_PCI1_MMIO_PHYS >> 12) & POBAR_BA_MASK; -	pci_pot[2].pocmr = POCMR_EN | (POCMR_CM_256M & POCMR_CM_MASK); - -	/* -	 * Configure PCI Inbound Translation Windows -	 */ - -	/* we need RAM mapped to PCI space for the devices to -	 * access main memory */ -	pci_ctrl[0].pitar1 = 0x0; -	pci_ctrl[0].pibar1 = 0x0; -	pci_ctrl[0].piebar1 = 0x0; -	pci_ctrl[0].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | (__ilog2(gd->ram_size) - 1); - -	hose->first_busno = 0; -	hose->last_busno = 0xff; - -	/* PCI memory prefetch space */ -	pci_set_region(hose->regions + 0, -		       CONFIG_SYS_PCI1_MEM_BASE, -		       CONFIG_SYS_PCI1_MEM_PHYS, -		       CONFIG_SYS_PCI1_MEM_SIZE, -		       PCI_REGION_MEM|PCI_REGION_PREFETCH); - -	/* PCI memory space */ -	pci_set_region(hose->regions + 1, -		       CONFIG_SYS_PCI1_MMIO_BASE, -		       CONFIG_SYS_PCI1_MMIO_PHYS, -		       CONFIG_SYS_PCI1_MMIO_SIZE, -		       PCI_REGION_MEM); - -	/* PCI IO space */ -	pci_set_region(hose->regions + 2, -		       CONFIG_SYS_PCI1_IO_BASE, -		       CONFIG_SYS_PCI1_IO_PHYS, -		       CONFIG_SYS_PCI1_IO_SIZE, -		       PCI_REGION_IO); - -	/* System memory space */ -	pci_set_region(hose->regions + 3, -		       CONFIG_PCI_SYS_MEM_BUS, -		       CONFIG_PCI_SYS_MEM_PHYS, -		       gd->ram_size, -		       PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); - -	hose->region_count = 4; - -	pci_setup_indirect(hose, -			   (CONFIG_SYS_IMMR+0x8300), -			   (CONFIG_SYS_IMMR+0x8304)); - -	pci_register_hose(hose); - -	/* -	 * Write to Command register -	 */ -	reg16 = 0xff; -	dev = PCI_BDF(hose->first_busno, 0, 0); -	pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16); -	reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; -	pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16); - -	/* -	 * Clear non-reserved bits in status register. -	 */ -	pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff); -	pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80); -	pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08); - -#ifdef CONFIG_PCI_SCAN_SHOW -	printf("PCI:   Bus Dev VenId DevId Class Int\n"); -#endif -	/* -	 * Hose scan. -	 */ -	hose->last_busno = pci_hose_scan(hose); - -#ifdef CONFIG_MPC83XX_PCI2 -	hose = &pci_hose[1]; - -	/* -	 * Configure PCI Outbound Translation Windows -	 */ - -	/* PCI2 mem space - prefetch */ -	pci_pot[3].potar = (CONFIG_SYS_PCI2_MEM_BASE >> 12) & POTAR_TA_MASK; -	pci_pot[3].pobar = (CONFIG_SYS_PCI2_MEM_PHYS >> 12) & POBAR_BA_MASK; -	pci_pot[3].pocmr = POCMR_EN | POCMR_PCI2 | POCMR_PREFETCH_EN | (POCMR_CM_256M & POCMR_CM_MASK); - -	/* PCI2 IO space */ -	pci_pot[4].potar = (CONFIG_SYS_PCI2_IO_BASE >> 12) & POTAR_TA_MASK; -	pci_pot[4].pobar = (CONFIG_SYS_PCI2_IO_PHYS >> 12) & POBAR_BA_MASK; -	pci_pot[4].pocmr = POCMR_EN | POCMR_PCI2 | POCMR_IO | (POCMR_CM_1M & POCMR_CM_MASK); - -	/* PCI2 mmio - non-prefetch mem space */ -	pci_pot[5].potar = (CONFIG_SYS_PCI2_MMIO_BASE >> 12) & POTAR_TA_MASK; -	pci_pot[5].pobar = (CONFIG_SYS_PCI2_MMIO_PHYS >> 12) & POBAR_BA_MASK; -	pci_pot[5].pocmr = POCMR_EN | POCMR_PCI2 | (POCMR_CM_256M & POCMR_CM_MASK); - -	/* -	 * Configure PCI Inbound Translation Windows -	 */ - -	/* we need RAM mapped to PCI space for the devices to -	 * access main memory */ -	pci_ctrl[1].pitar1 = 0x0; -	pci_ctrl[1].pibar1 = 0x0; -	pci_ctrl[1].piebar1 = 0x0; -	pci_ctrl[1].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | (__ilog2(gd->ram_size) - 1); - -	hose->first_busno = pci_hose[0].last_busno + 1; -	hose->last_busno = 0xff; - -	/* PCI memory prefetch space */ -	pci_set_region(hose->regions + 0, -		       CONFIG_SYS_PCI2_MEM_BASE, -		       CONFIG_SYS_PCI2_MEM_PHYS, -		       CONFIG_SYS_PCI2_MEM_SIZE, -		       PCI_REGION_MEM|PCI_REGION_PREFETCH); - -	/* PCI memory space */ -	pci_set_region(hose->regions + 1, -		       CONFIG_SYS_PCI2_MMIO_BASE, -		       CONFIG_SYS_PCI2_MMIO_PHYS, -		       CONFIG_SYS_PCI2_MMIO_SIZE, -		       PCI_REGION_MEM); - -	/* PCI IO space */ -	pci_set_region(hose->regions + 2, -		       CONFIG_SYS_PCI2_IO_BASE, -		       CONFIG_SYS_PCI2_IO_PHYS, -		       CONFIG_SYS_PCI2_IO_SIZE, -		       PCI_REGION_IO); - -	/* System memory space */ -	pci_set_region(hose->regions + 3, -		       CONFIG_PCI_SYS_MEM_BUS, -		       CONFIG_PCI_SYS_MEM_PHYS, -		       gd->ram_size, -		       PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); - -	hose->region_count = 4; - -	pci_setup_indirect(hose, -			   (CONFIG_SYS_IMMR+0x8380), -			   (CONFIG_SYS_IMMR+0x8384)); - -	pci_register_hose(hose); - -	/* -	 * Write to Command register -	 */ -	reg16 = 0xff; -	dev = PCI_BDF(hose->first_busno, 0, 0); -	pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16); -	reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; -	pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16); - -	/* -	 * Clear non-reserved bits in status register. -	 */ -	pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff); -	pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80); -	pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08); - -	/* -	 * Hose scan. -	 */ -	hose->last_busno = pci_hose_scan(hose); -#endif - -} - -#if defined(CONFIG_OF_LIBFDT) -void ft_pci_setup(void *blob, bd_t *bd) -{ -	int nodeoffset; -	int tmp[2]; -	const char *path; - -	nodeoffset = fdt_path_offset(blob, "/aliases"); -	if (nodeoffset >= 0) { -		path = fdt_getprop(blob, nodeoffset, "pci0", NULL); -		if (path) { -			tmp[0] = cpu_to_be32(pci_hose[0].first_busno); -			tmp[1] = cpu_to_be32(pci_hose[0].last_busno); -			do_fixup_by_path(blob, path, "bus-range", -				&tmp, sizeof(tmp), 1); - -			tmp[0] = cpu_to_be32(gd->pci_clk); -			do_fixup_by_path(blob, path, "clock-frequency", -				&tmp, sizeof(tmp[0]), 1); -		} -#ifdef CONFIG_MPC83XX_PCI2 -		path = fdt_getprop(blob, nodeoffset, "pci1", NULL); -		if (path) { -			tmp[0] = cpu_to_be32(pci_hose[0].first_busno); -			tmp[1] = cpu_to_be32(pci_hose[0].last_busno); -			do_fixup_by_path(blob, path, "bus-range", -				&tmp, sizeof(tmp), 1); +	udelay(2000); -			tmp[0] = cpu_to_be32(gd->pci_clk); -			do_fixup_by_path(blob, path, "clock-frequency", -				&tmp, sizeof(tmp[0]), 1); -		} -#endif -	} +	mpc83xx_pci_init(1, reg, 0);  } -#endif /* CONFIG_OF_LIBFDT */ -#endif /* CONFIG_PCI */ |