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author | Wolfgang Grandegger <wg@grandegger.com> | 2008-06-04 13:52:17 +0200 |
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committer | Andrew Fleming-AFLEMING <afleming@freescale.com> | 2008-06-10 18:22:26 -0500 |
commit | 4677988c7edc070c3786d3db7994abeca3ab82a0 (patch) | |
tree | afe5291cc036cf5718f23734d1133cc71e26e5e0 /board/tqm834x/pci.c | |
parent | 6fab2fe72ca5bf95280cd52cdf378af3e506eb50 (diff) | |
download | u-boot-imx-4677988c7edc070c3786d3db7994abeca3ab82a0.zip u-boot-imx-4677988c7edc070c3786d3db7994abeca3ab82a0.tar.gz u-boot-imx-4677988c7edc070c3786d3db7994abeca3ab82a0.tar.bz2 |
TQM: move TQM boards to board/tqc
Move all TQM board directories to the vendor specific directory "tqc"
for modules from TQ-Components GmbH (http://www.tqc.de).
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Diffstat (limited to 'board/tqm834x/pci.c')
-rw-r--r-- | board/tqm834x/pci.c | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/board/tqm834x/pci.c b/board/tqm834x/pci.c deleted file mode 100644 index e3d0309..0000000 --- a/board/tqm834x/pci.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * (C) Copyright 2005 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 <asm/mmu.h> -#include <common.h> -#include <pci.h> - -#ifdef CONFIG_PCI - -/* System RAM mapped to PCI space */ -#define CONFIG_PCI_SYS_MEM_BUS CFG_SDRAM_BASE -#define CONFIG_PCI_SYS_MEM_PHYS CFG_SDRAM_BASE -#define CONFIG_PCI_SYS_MEM_SIZE (1024 * 1024 * 1024) - -#ifndef CONFIG_PCI_PNP -static struct pci_config_table pci_tqm834x_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 - } - }, - {} -}; -#endif - -static struct pci_controller pci1_hose = { -#ifndef CONFIG_PCI_PNP - config_table:pci_tqm834x_config_table, -#endif -}; - - -/************************************************************************** - * pci_init_board() - * - * NOTICE: MPC8349 internally has two PCI controllers (PCI1 and PCI2) but since - * per TQM834x design physical connections to external devices (PCI sockets) - * are routed only to the PCI1 we do not account for the second one - this code - * supports PCI1 module only. Should support for the PCI2 be required in the - * future it needs a separate pci_controller structure (above) and handling - - * please refer to other boards' implementation for dual PCI host controllers, - * for example board/Marvell/db64360/pci.c, pci_init_board() - * - */ -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; - struct pci_controller * hose; - - immr = (immap_t *)CFG_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 = &pci1_hose; - - /* - * Configure PCI controller and PCI_CLK_OUTPUT - */ - - /* - * WARNING! only PCI_CLK_OUTPUT1 is enabled here as this is the one - * line actually used for clocking all external PCI devices in TQM83xx. - * Enabling other PCI_CLK_OUTPUT lines may lead to board's hang for - * unknown reasons - particularly PCI_CLK_OUTPUT6 and PCI_CLK_OUTPUT7 - * are known to hang the board; this issue is under investigation - * (13 oct 05) - */ - reg32 = OCCR_PCICOE1; -#if 0 - /* enabling all PCI_CLK_OUTPUT lines HANGS the board... */ - reg32 = 0xff000000; -#endif - if (clk->spmr & SPMR_CKID) { - /* PCI Clock is half CONFIG_83XX_CLKIN so need to set up OCCR - * fields accordingly */ - reg32 |= (OCCR_PCI1CR | OCCR_PCI2CR); - - reg32 |= (OCCR_PCICD0 | OCCR_PCICD1 | OCCR_PCICD2 \ - | OCCR_PCICD3 | OCCR_PCICD4 | OCCR_PCICD5 \ - | OCCR_PCICD6 | OCCR_PCICD7); - } - - clk->occr = reg32; - udelay(2000); - - /* - * Release PCI RST Output signal - */ - pci_ctrl[0].gcr = 0; - udelay(2000); - pci_ctrl[0].gcr = 1; - udelay(2000); - - /* - * Configure PCI Local Access Windows - */ - pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR; - pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_512M; - - pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR; - pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_16M; - - /* - * Configure PCI Outbound Translation Windows - */ - - /* PCI1 mem space */ - pci_pot[0].potar = (CFG_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK; - pci_pot[0].pobar = (CFG_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK; - pci_pot[0].pocmr = POCMR_EN | (POCMR_CM_512M & POCMR_CM_MASK); - - /* PCI1 IO space */ - pci_pot[1].potar = (CFG_PCI1_IO_BASE >> 12) & POTAR_TA_MASK; - pci_pot[1].pobar = (CFG_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK; - pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_16M & 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 | PIWAR_IWS_256M; - - hose->first_busno = 0; - hose->last_busno = 0xff; - - /* PCI memory space */ - pci_set_region(hose->regions + 0, - CFG_PCI1_MEM_BASE, - CFG_PCI1_MEM_PHYS, - CFG_PCI1_MEM_SIZE, - PCI_REGION_MEM); - - /* PCI IO space */ - pci_set_region(hose->regions + 1, - CFG_PCI1_IO_BASE, - CFG_PCI1_IO_PHYS, - CFG_PCI1_IO_SIZE, - PCI_REGION_IO); - - /* System memory space */ - 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_MEMORY); - - hose->region_count = 3; - - pci_setup_indirect(hose, - (CFG_IMMR+0x8300), - (CFG_IMMR+0x8304)); - - pci_register_hose(hose); - - /* - * Write to Command register - */ - reg16 = 0xff; - pci_hose_read_config_word (hose, PCI_BDF(0,0,0), PCI_COMMAND, - ®16); - reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; - pci_hose_write_config_word(hose, PCI_BDF(0,0,0), PCI_COMMAND, - reg16); - - /* - * Clear non-reserved bits in status register. - */ - pci_hose_write_config_word(hose, PCI_BDF(0,0,0), PCI_STATUS, - 0xffff); - pci_hose_write_config_byte(hose, PCI_BDF(0,0,0), PCI_LATENCY_TIMER, - 0x80); - -#ifdef CONFIG_PCI_SCAN_SHOW - printf("PCI: Bus Dev VenId DevId Class Int\n"); -#endif - /* - * Hose scan. - */ - hose->last_busno = pci_hose_scan(hose); -} -#endif /* CONFIG_PCI */ |