* (C) Copyright 2004 eslab.whut.edu.cn
* Yue Hu(huyue_whut@yahoo.com.cn), Ligong Xue(lgxue@hotmail.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
+ * SPDX-License-Identifier: GPL-2.0+
*/
-#ifndef _IXP425PCI_H_
-#define _IXP425PCI_H_
+#ifndef _IXP425PCI_H
+#define _IXP425PCI_H
-#define TRUE 1
-#define FALSE 0
#define OK 0
#define ERROR -1
-#define BOOL int
-
-#define IXP425_PCI_MAX_BAR_PER_FUNC 6
-#define IXP425_PCI_MAX_BAR (IXP425_PCI_MAX_BAR_PER_FUNC * \
- IXP425_PCI_MAX_FUNC_ON_BUS)
-
-enum PciBarId
-{
- CSR_BAR=0,
- IO_BAR,
- SD_BAR,
- NO_BAR
-};
-
-/*Base address register descriptor*/
-typedef struct
-{
- unsigned int size;
- unsigned int address;
-} PciBar;
-typedef struct
-{
- unsigned int bus;
- unsigned int device;
- unsigned int func;
- unsigned int irq;
- BOOL error;
- unsigned short vendor_id;
- unsigned short device_id;
- /*We need an extra entry in this array for dummy placeholder*/
- PciBar bar[IXP425_PCI_MAX_BAR_PER_FUNC + 1];
-} PciDevice;
+struct pci_controller;
+extern void pci_ixp_init(struct pci_controller *hose);
/* Mask definitions*/
-#define IXP425_PCI_TOP_WORD_OF_LONG_MASK 0xffff0000
-#define IXP425_PCI_TOP_BYTE_OF_LONG_MASK 0xff000000
-#define IXP425_PCI_BOTTOM_WORD_OF_LONG_MASK 0x0000ffff
-#define IXP425_PCI_BOTTOM_TRIBYTES_OF_LONG_MASK 0x00ffffff
#define IXP425_PCI_BOTTOM_NIBBLE_OF_LONG_MASK 0x0000000f
-#define IXP425_PCI_MAX_UINT32 0xffffffff
-
-
-#define IXP425_PCI_BAR_QUERY 0xffffffff
-
-#define IXP425_PCI_BAR_MEM_BASE 0x100000
-#define IXP425_PCI_BAR_IO_BASE 0x000000
-
-/*define the maximum number of bus segments - we support a single segment*/
-#define IXP425_PCI_MAX_BUS 1
-/*define the maximum number of cards per bus segment*/
-#define IXP425_PCI_MAX_DEV 4
-/*define the maximum number of functions per device*/
-#define IXP425_PCI_MAX_FUNC 8
-/* define the maximum number of separate functions that we can
- potentially have on the bus*/
-#define IXP425_PCI_MAX_FUNC_ON_BUS (1+ IXP425_PCI_MAX_FUNC * \
- IXP425_PCI_MAX_DEV * \
- IXP425_PCI_MAX_BUS)
-/*define the maximum number of BARs per function*/
-#define IXP425_PCI_MAX_BAR_PER_FUNC 6
-#define IXP425_PCI_MAX_BAR (IXP425_PCI_MAX_BAR_PER_FUNC * \
- IXP425_PCI_MAX_FUNC_ON_BUS)
#define PCI_NP_CBE_BESL (4)
#define PCI_NP_AD_FUNCSL (8)
-#define REG_WRITE(b,o,v) (*(volatile unsigned int*)((b+o))=(v))
-#define REG_READ(b,o,v) ((v)=(*(volatile unsigned int*)((b+o))))
-
-#define PCI_DELAY 500
-#define USEC_LOOP_COUNT 533
-#define PCI_SETTLE_USEC 200
-#define PCI_MIN_RESET_ASSERT_USEC 2000
-
/*Register addressing definitions for PCI controller configuration
and status registers*/
#define NP_CMD_CONFIGWRITE (0xb)
*/
-/*define the default setting of the AHB memory base reg*/
-#define IXP425_PCI_AHBMEMBASE_DEFAULT 0x00010203
-#define IXP425_PCI_AHBIOBASE_DEFAULT 0x0
-#define IXP425_PCI_PCIMEMBASE_DEFAULT 0x0
-
-/*define the default settings for the controller's BARs*/
-#ifdef IXP425_PCI_SIMPLE_MAPPING
-#define IXP425_PCI_BAR_0_DEFAULT 0x00000000
-#define IXP425_PCI_BAR_1_DEFAULT 0x01000000
-#define IXP425_PCI_BAR_2_DEFAULT 0x02000000
-#define IXP425_PCI_BAR_3_DEFAULT 0x03000000
-#define IXP425_PCI_BAR_4_DEFAULT 0x00000000
-#define IXP425_PCI_BAR_5_DEFAULT 0x00000000
-#else
-#define IXP425_PCI_BAR_0_DEFAULT 0x40000000
-#define IXP425_PCI_BAR_1_DEFAULT 0x41000000
-#define IXP425_PCI_BAR_2_DEFAULT 0x42000000
-#define IXP425_PCI_BAR_3_DEFAULT 0x43000000
-#define IXP425_PCI_BAR_4_DEFAULT 0x00000000
-#define IXP425_PCI_BAR_5_DEFAULT 0x00000000
-#endif
-
/*Configuration Port register bit definitions*/
#define PCI_CRP_WRITE BIT(16)
#define PCI_CFG_SPECIAL_USE 0x41
#define PCI_CFG_MODE 0x43
-/*Specify the initial command we send to PCI devices*/
-#define INITIAL_PCI_CMD (PCI_CMD_IO_ENABLE \
- | PCI_CMD_MEM_ENABLE \
- | PCI_CMD_MASTER_ENABLE \
- | PCI_CMD_WI_ENABLE)
-
-/*define the sub vendor and subsystem to be used */
-#define IXP425_PCI_SUB_VENDOR_SYSTEM 0x00000000
-
-#define PCI_IRQ_LINES 4
-
#define PCI_CMD_IO_ENABLE 0x0001 /* IO access enable */
#define PCI_CMD_MEM_ENABLE 0x0002 /* memory access enable */
#define PCI_CMD_MASTER_ENABLE 0x0004 /* bus master enable */
#define PCI_DMACTRL_PADC1 BIT(14)
#define PCI_DMACTRL_PADE1 BIT(15)
-/* GPIO related register */
-#undef IXP425_GPIO_GPOUTR
-#undef IXP425_GPIO_GPOER
-#undef IXP425_GPIO_GPINR
-#undef IXP425_GPIO_GPISR
-#undef IXP425_GPIO_GPIT1R
-#undef IXP425_GPIO_GPIT2R
-#undef IXP425_GPIO_GPCLKR
-
-#define IXP425_GPIO_GPOUTR 0xC8004000
-#define IXP425_GPIO_GPOER 0xC8004004
-#define IXP425_GPIO_GPINR 0xC8004008
-#define IXP425_GPIO_GPISR 0xC800400C
-#define IXP425_GPIO_GPIT1R 0xC8004010
-#define IXP425_GPIO_GPIT2R 0xC8004014
-#define IXP425_GPIO_GPCLKR 0xC8004018
-
-#define READ_GPIO_REG(addr,val) \
- (val) = *((volatile int *)(addr));
-#define WRITE_GPIO_REG(addr,val) \
- *((volatile int *)(addr)) = (val);
-
#endif
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