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| author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:09 -0500 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:16 +0200 | 
| commit | 8d1f268204b07e172f3cb5cee0a3974d605b0b98 (patch) | |
| tree | c3359e920cc886e7060fb099bf933496aca37153 /cpu/mpc8220/pci.c | |
| parent | 819833af39a91fa1c1e8252862bbda6f5a602f7b (diff) | |
| download | olio-uboot-2014.01-8d1f268204b07e172f3cb5cee0a3974d605b0b98.tar.xz olio-uboot-2014.01-8d1f268204b07e172f3cb5cee0a3974d605b0b98.zip | |
ppc: Move cpu/$CPU to arch/ppc/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'cpu/mpc8220/pci.c')
| -rw-r--r-- | cpu/mpc8220/pci.c | 191 | 
1 files changed, 0 insertions, 191 deletions
| diff --git a/cpu/mpc8220/pci.c b/cpu/mpc8220/pci.c deleted file mode 100644 index 7ef43b72c..000000000 --- a/cpu/mpc8220/pci.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * Copyright 2004 Freescale Semiconductor. - * Copyright (C) 2003 Motorola Inc. - * Xianghua Xiao (x.xiao@motorola.com) - * - * 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 - */ - -/* - * PCI Configuration space access support for MPC8220 PCI Bridge - */ -#include <common.h> -#include <mpc8220.h> -#include <pci.h> -#include <asm/io.h> - -#if defined(CONFIG_PCI) - -/* System RAM mapped over PCI */ -#define CONFIG_PCI_SYS_MEM_BUS	 CONFIG_SYS_SDRAM_BASE -#define CONFIG_PCI_SYS_MEM_PHYS	 CONFIG_SYS_SDRAM_BASE -#define CONFIG_PCI_SYS_MEM_SIZE	 (1024 * 1024 * 1024) - -#define cfg_read(val, addr, type, op)		*val = op((type)(addr)); -#define cfg_write(val, addr, type, op)		op((type *)(addr), (val)); - -#define PCI_OP(rw, size, type, op, mask)				\ -int mpc8220_pci_##rw##_config_##size(struct pci_controller *hose,	\ -	pci_dev_t dev, int offset, type val)				\ -{									\ -	u32 addr = 0;							\ -	u16 cfg_type = 0;						\ -	addr = ((offset & 0xfc) | cfg_type | (dev)  | 0x80000000);	\ -	out_be32(hose->cfg_addr, addr);					\ -	__asm__ __volatile__("sync");					\ -	cfg_##rw(val, hose->cfg_data + (offset & mask), type, op);	\ -	out_be32(hose->cfg_addr, addr & 0x7fffffff);			\ -	__asm__ __volatile__("sync");					\ -	return 0;							\ -} - -PCI_OP(read, byte, u8 *, in_8, 3) -PCI_OP(read, word, u16 *, in_le16, 2) -PCI_OP(write, byte, u8, out_8, 3) -PCI_OP(write, word, u16, out_le16, 2) -PCI_OP(write, dword, u32, out_le32, 0) - -int mpc8220_pci_read_config_dword(struct pci_controller *hose, pci_dev_t dev, -	int offset, u32 *val) -{ -	u32 addr; -	u32 tmpv; -	u32 mask = 2;	 /* word access */ -	/* Read lower 16 bits */ -	addr = ((offset & 0xfc) | (dev) | 0x80000000); -	out_be32(hose->cfg_addr, addr); -	__asm__ __volatile__("sync"); -	*val = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask))); -	out_be32(hose->cfg_addr, addr & 0x7fffffff); -	__asm__ __volatile__("sync"); - -	/* Read upper 16 bits */ -	offset += 2; -	addr = ((offset & 0xfc) | 1 | (dev) | 0x80000000); -	out_be32(hose->cfg_addr, addr); -	__asm__ __volatile__("sync"); -	tmpv = (u32) in_le16((u16 *) (hose->cfg_data + (offset & mask))); -	out_be32(hose->cfg_addr, addr & 0x7fffffff); -	__asm__ __volatile__("sync"); - -	/* combine results into dword value */ -	*val = (tmpv << 16) | *val; - -	return 0; -} - -void -pci_mpc8220_init(struct pci_controller *hose) -{ -	u32 win0, win1, win2; -	volatile mpc8220_xcpci_t *xcpci = -		(volatile mpc8220_xcpci_t *) MMAP_XCPCI; - -	volatile pcfg8220_t *portcfg = (volatile pcfg8220_t *) MMAP_PCFG; - -	win0 = (u32) CONFIG_PCI_MEM_PHYS; -	win1 = (u32) CONFIG_PCI_IO_PHYS; -	win2 = (u32) CONFIG_PCI_CFG_PHYS; - -	/* Assert PCI reset */ -	out_be32 (&xcpci->glb_stat_ctl, PCI_GLB_STAT_CTRL_PR); - -	/* Disable prefetching but read-multiples will still prefetch */ -	out_be32 (&xcpci->target_ctrl, 0x00000000); - -	/* Initiator windows */ -	out_be32 (&xcpci->init_win0,  (win0 >> 16) | win0 | 0x003f0000); -	out_be32 (&xcpci->init_win1, ((win1 >> 16) | win1 )); -	out_be32 (&xcpci->init_win2, ((win2 >> 16) | win2 )); - -	out_be32 (&xcpci->init_win_cfg, -		PCI_INIT_WIN_CFG_WIN0_CTRL_EN | -		PCI_INIT_WIN_CFG_WIN1_CTRL_EN | PCI_INIT_WIN_CFG_WIN1_CTRL_IO | -		PCI_INIT_WIN_CFG_WIN2_CTRL_EN | PCI_INIT_WIN_CFG_WIN2_CTRL_IO); - -	out_be32 (&xcpci->init_ctrl, 0x00000000); - -	/* Enable bus master and mem access */ -	out_be32 (&xcpci->stat_cmd_reg, PCI_STAT_CMD_B | PCI_STAT_CMD_M); - -	/* Cache line size and master latency */ -	out_be32 (&xcpci->bist_htyp_lat_cshl, (0xf8 << PCI_CFG1_LT_SHIFT)); - -	out_be32 (&xcpci->base0, PCI_BASE_ADDR_REG0); /* 256MB - MBAR space */ -	out_be32 (&xcpci->base1, PCI_BASE_ADDR_REG1); /* 1GB - SDRAM space */ - -	out_be32 (&xcpci->target_bar0, -		PCI_TARGET_BASE_ADDR_REG0 | PCI_TARGET_BASE_ADDR_EN); -	out_be32 (&xcpci->target_bar1, -		PCI_TARGET_BASE_ADDR_REG1 | PCI_TARGET_BASE_ADDR_EN); - -	/* Deassert reset bit */ -	out_be32 (&xcpci->glb_stat_ctl, 0x00000000); - -	/* Enable PCI bus master support */ -	/* Set PCIGNT1, PCIREQ1, PCIREQ0/PCIGNTIN, PCIGNT0/PCIREQOUT, -	       PCIREQ2, PCIGNT2 */ -	out_be32((volatile u32 *)&portcfg->pcfg3, -		(in_be32((volatile u32 *)&portcfg->pcfg3) & 0xFC3FCE7F)); -	out_be32((volatile u32 *)&portcfg->pcfg3, -		(in_be32((volatile u32 *)&portcfg->pcfg3) | 0x01400180)); - -	hose->first_busno = 0; -	hose->last_busno = 0xff; - -	pci_set_region(hose->regions + 0, -		CONFIG_PCI_MEM_BUS, -		CONFIG_PCI_MEM_PHYS, -		CONFIG_PCI_MEM_SIZE, -		PCI_REGION_MEM); - -	pci_set_region(hose->regions + 1, -		CONFIG_PCI_IO_BUS, -		CONFIG_PCI_IO_PHYS, -		CONFIG_PCI_IO_SIZE, -		PCI_REGION_IO); - -	pci_set_region(hose->regions + 2, -		CONFIG_PCI_SYS_MEM_BUS, -		CONFIG_PCI_SYS_MEM_PHYS, -		CONFIG_PCI_SYS_MEM_SIZE, -		PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); - -	hose->region_count = 3; - -	hose->cfg_addr = &(xcpci->cfg_adr); -	hose->cfg_data = (volatile unsigned char *)CONFIG_PCI_CFG_BUS; - -	pci_set_ops(hose, -		mpc8220_pci_read_config_byte, -		mpc8220_pci_read_config_word, -		mpc8220_pci_read_config_dword, -		mpc8220_pci_write_config_byte, -		mpc8220_pci_write_config_word, -		mpc8220_pci_write_config_dword); - -	/* Hose scan */ -	pci_register_hose(hose); -	hose->last_busno = pci_hose_scan(hose); - -	out_be32 (&xcpci->base0, PCI_BASE_ADDR_REG0); /* 256MB - MBAR space */ -	out_be32 (&xcpci->base1, PCI_BASE_ADDR_REG1); /* 1GB - SDRAM space */ -} - -#endif /* CONFIG_PCI */ |