diff options
| 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/freescale/mpc8360emds/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/freescale/mpc8360emds/pci.c')
| -rw-r--r-- | board/freescale/mpc8360emds/pci.c | 287 | 
1 files changed, 77 insertions, 210 deletions
| diff --git a/board/freescale/mpc8360emds/pci.c b/board/freescale/mpc8360emds/pci.c index 7ac35dced..04a802bc8 100644 --- a/board/freescale/mpc8360emds/pci.c +++ b/board/freescale/mpc8360emds/pci.c @@ -1,5 +1,5 @@  /* - * Copyright (C) 2006 Freescale Semiconductor, Inc. + * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.   *   * See file CREDITS for list of people who contributed to this   * project. @@ -13,65 +13,79 @@  /*   * PCI Configuration space access support for MPC83xx PCI Bridge   */ +  #include <asm/mmu.h>  #include <asm/io.h>  #include <common.h> +#include <mpc83xx.h>  #include <pci.h>  #include <i2c.h> -#if defined(CONFIG_OF_LIBFDT) -#include <libfdt.h> -#include <fdt_support.h> -#endif -  #include <asm/fsl_i2c.h> +#include "../common/pq-mds-pib.h"  DECLARE_GLOBAL_DATA_PTR; -#if defined(CONFIG_PCI) -#define PCI_FUNCTION_CONFIG   0x44 -#define PCI_FUNCTION_CFG_LOCK 0x20 +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 +	}, +}; -/* - * Initialize PCI Devices, report devices found - */ -#ifndef CONFIG_PCI_PNP -static struct pci_config_table pci_mpc83xxemds_config_table[] = { +#ifdef CONFIG_MPC83XX_PCI2 +static struct pci_region pci2_regions[] = {  	{ -	 PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, -	 pci_cfgfunc_config_device, -	 {PCI_ENET0_IOADDR, -	  PCI_ENET0_MEMADDR, -	  PCI_COMMON_MEMORY | PCI_COMMAND_MASTER} -	 }, -	{} -} -#endif -static struct pci_controller hose[] = { +		bus_start: CONFIG_SYS_PCI2_MEM_BASE, +		phys_start: CONFIG_SYS_PCI2_MEM_PHYS, +		size: CONFIG_SYS_PCI2_MEM_SIZE, +		flags: PCI_REGION_MEM | PCI_REGION_PREFETCH +	},  	{ -#ifndef CONFIG_PCI_PNP -	      config_table:pci_mpc83xxemds_config_table, -#endif -	 }, +		bus_start: CONFIG_SYS_PCI2_IO_BASE, +		phys_start: CONFIG_SYS_PCI2_IO_PHYS, +		size: CONFIG_SYS_PCI2_IO_SIZE, +		flags: PCI_REGION_IO +	}, +	{ +		bus_start: CONFIG_SYS_PCI2_MMIO_BASE, +		phys_start: CONFIG_SYS_PCI2_MMIO_PHYS, +		size: CONFIG_SYS_PCI2_MMIO_SIZE, +		flags: PCI_REGION_MEM +	},  }; +#endif -/********************************************************************** - * pci_init_board() - *********************************************************************/  void pci_init_board(void)  #ifdef CONFIG_PCISLAVE  { -	u16 reg16; -	volatile immap_t *immr; -	volatile law83xx_t *pci_law; -	volatile pot83xx_t *pci_pot; -	volatile pcictrl83xx_t *pci_ctrl; -	volatile pciconf83xx_t *pci_conf; +	volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; +	volatile law83xx_t *pci_law = immr->sysconf.pcilaw; +	volatile pcictrl83xx_t *pci_ctrl = &immr->pci_ctrl[0]; +	struct pci_region *reg[] = { pci1_regions }; + +	/* Configure PCI Local Access Windows */ +	pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR; +	pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_512M; + +	pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR; +	pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_1M; + +	mpc83xx_pci_init(1, reg, 0); -	immr = (immap_t *) CONFIG_SYS_IMMR; -	pci_law = immr->sysconf.pcilaw; -	pci_pot = immr->ios.pot; -	pci_ctrl = immr->pci_ctrl; -	pci_conf = immr->pci_conf;  	/*  	 * Configure PCI Inbound Translation Windows  	 */ @@ -90,61 +104,24 @@ void pci_init_board(void)  	pci_ctrl[0].piebar2 = 0x0;  	pci_ctrl[0].piwar2 &= ~PIWAR_EN; -	hose[0].first_busno = 0; -	hose[0].last_busno = 0xff; -	pci_setup_indirect(&hose[0], -			   (CONFIG_SYS_IMMR + 0x8300), (CONFIG_SYS_IMMR + 0x8304)); -	reg16 = 0xff; - -	pci_hose_read_config_word(&hose[0], PCI_BDF(0, 0, 0), -				  PCI_COMMAND, ®16); -	reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MEMORY; -	pci_hose_write_config_word(&hose[0], PCI_BDF(0, 0, 0), -				   PCI_COMMAND, reg16); - -	/* -	 * Clear non-reserved bits in status register. -	 */ -	pci_hose_write_config_word(&hose[0], PCI_BDF(0, 0, 0), -				   PCI_STATUS, 0xffff); -	pci_hose_write_config_byte(&hose[0], PCI_BDF(0, 0, 0), -				   PCI_LATENCY_TIMER, 0x80); - -	/* -	 * Unlock configuration lock in PCI function configuration register. -	 */ -	pci_hose_read_config_word(&hose[0], PCI_BDF(0, 0, 0), -				  PCI_FUNCTION_CONFIG, ®16); -	reg16 &= ~(PCI_FUNCTION_CFG_LOCK); -	pci_hose_write_config_word(&hose[0], PCI_BDF(0, 0, 0), -				   PCI_FUNCTION_CONFIG, reg16); - -	printf("Enabled PCI 32bit Agent Mode\n"); +	/* Unlock the configuration bit */ +	mpc83xx_pcislave_unlock(0); +	printf("PCI:   Agent mode enabled\n");  }  #else  { -	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; +	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; +#ifndef CONFIG_MPC83XX_PCI2 +	struct pci_region *reg[] = { pci1_regions }; +#else +	struct pci_region *reg[] = { pci1_regions, pci2_regions }; +#endif -	u16 reg16; -	u32 val32; -	u32 dev; +	/* initialize the PCA9555PW IO expander on the PIB board */ +	pib_init(); -	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; -	/* -	 * Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode -	 */ -	val32 = clk->occr; -	udelay(2000);  #if defined(PCI_66M)  	clk->occr = OCCR_PCICOE0 | OCCR_PCICOE1 | OCCR_PCICOE2;  	printf("PCI clock is 66MHz\n"); @@ -158,129 +135,19 @@ void pci_init_board(void)  #endif  	udelay(2000); -	/* -	 * Configure PCI Local Access Windows -	 */ -	pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR; +	/* Configure PCI Local Access Windows */ +	pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;  	pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_512M; -	pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR; +	pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;  	pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_1M; -	/* -	 * Configure PCI Outbound Translation Windows -	 */ - -	/* PCI mem space - prefetch */ -	pci_pot[0].potar = (CONFIG_SYS_PCI_MEM_BASE >> 12) & POTAR_TA_MASK; -	pci_pot[0].pobar = (CONFIG_SYS_PCI_MEM_PHYS >> 12) & POBAR_BA_MASK; -	pci_pot[0].pocmr = -	    POCMR_EN | POCMR_SE | (POCMR_CM_256M & POCMR_CM_MASK); - -	/* PCI mmio - non-prefetch mem space */ -	pci_pot[1].potar = (CONFIG_SYS_PCI_MMIO_BASE >> 12) & POTAR_TA_MASK; -	pci_pot[1].pobar = (CONFIG_SYS_PCI_MMIO_PHYS >> 12) & POBAR_BA_MASK; -	pci_pot[1].pocmr = POCMR_EN | (POCMR_CM_256M & POCMR_CM_MASK); - -	/* PCI IO space */ -	pci_pot[2].potar = (CONFIG_SYS_PCI_IO_BASE >> 12) & POTAR_TA_MASK; -	pci_pot[2].pobar = (CONFIG_SYS_PCI_IO_PHYS >> 12) & POBAR_BA_MASK; -	pci_pot[2].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_1M & POCMR_CM_MASK); - -	/* -	 * Configure PCI Inbound Translation Windows -	 */ -	pci_ctrl[0].pitar1 = (CONFIG_SYS_PCI_SLV_MEM_LOCAL >> 12) & PITAR_TA_MASK; -	pci_ctrl[0].pibar1 = (CONFIG_SYS_PCI_SLV_MEM_BUS >> 12) & PIBAR_MASK; -	pci_ctrl[0].piebar1 = 0x0; -	pci_ctrl[0].piwar1 = -	    PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | -	    PIWAR_IWS_2G; - -	/* -	 * Release PCI RST Output signal -	 */ -	udelay(2000); -	pci_ctrl[0].gcr = 1;  	udelay(2000); -	hose[0].first_busno = 0; -	hose[0].last_busno = 0xff; - -	/* PCI memory prefetch space */ -	pci_set_region(hose[0].regions + 0, -		       CONFIG_SYS_PCI_MEM_BASE, -		       CONFIG_SYS_PCI_MEM_PHYS, -		       CONFIG_SYS_PCI_MEM_SIZE, PCI_REGION_MEM | PCI_REGION_PREFETCH); - -	/* PCI memory space */ -	pci_set_region(hose[0].regions + 1, -		       CONFIG_SYS_PCI_MMIO_BASE, -		       CONFIG_SYS_PCI_MMIO_PHYS, CONFIG_SYS_PCI_MMIO_SIZE, PCI_REGION_MEM); - -	/* PCI IO space */ -	pci_set_region(hose[0].regions + 2, -		       CONFIG_SYS_PCI_IO_BASE, -		       CONFIG_SYS_PCI_IO_PHYS, CONFIG_SYS_PCI_IO_SIZE, PCI_REGION_IO); - -	/* System memory space */ -	pci_set_region(hose[0].regions + 3, -		       CONFIG_SYS_PCI_SLV_MEM_LOCAL, -		       CONFIG_SYS_PCI_SLV_MEM_BUS, -		       CONFIG_SYS_PCI_SLV_MEM_SIZE, -		       PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); - -	hose[0].region_count = 4; - -	pci_setup_indirect(&hose[0], -			   (CONFIG_SYS_IMMR + 0x8300), (CONFIG_SYS_IMMR + 0x8304)); - -	pci_register_hose(hose); - -	/* -	 * Write command register -	 */ -	reg16 = 0xff; -	dev = PCI_BDF(0, 0, 0); -	pci_hose_read_config_word(&hose[0], dev, PCI_COMMAND, ®16); -	reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; -	pci_hose_write_config_word(&hose[0], dev, PCI_COMMAND, reg16); - -	/* -	 * Clear non-reserved bits in status register. -	 */ -	pci_hose_write_config_word(&hose[0], dev, PCI_STATUS, 0xffff); -	pci_hose_write_config_byte(&hose[0], dev, PCI_LATENCY_TIMER, 0x80); -	pci_hose_write_config_byte(&hose[0], dev, PCI_CACHE_LINE_SIZE, 0x08); - -	/* -	 * Hose scan. -	 */ -	hose->last_busno = pci_hose_scan(hose); +#ifndef CONFIG_MPC83XX_PCI2 +	mpc83xx_pci_init(1, reg, 0); +#else +	mpc83xx_pci_init(2, reg, 0); +#endif  }  #endif				/* CONFIG_PCISLAVE */ - -#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(hose[0].first_busno); -			tmp[1] = cpu_to_be32(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); -		} -	} -} -#endif				/* CONFIG_OF_LIBFDT */ -#endif				/* CONFIG_PCI */ |