summaryrefslogtreecommitdiff
path: root/board/amirix/ap1000/pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/amirix/ap1000/pci.c')
-rw-r--r--board/amirix/ap1000/pci.c318
1 files changed, 0 insertions, 318 deletions
diff --git a/board/amirix/ap1000/pci.c b/board/amirix/ap1000/pci.c
deleted file mode 100644
index a6436ac5bb3..00000000000
--- a/board/amirix/ap1000/pci.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/*
- * (C) Copyright 2003
- * AMIRIX Systems Inc.
- *
- * 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 <common.h>
-#include <ppc4xx.h>
-#include <asm/processor.h>
-#include <pci.h>
-
-#define PCI_MEM_82559ER_CSR_BASE 0x30200000
-#define PCI_IO_82559ER_CSR_BASE 0x40000200
-
-/** AP1100 specific values */
-#define PSII_BASE 0x30000000 /**< PowerSpan II dual bridge local bus register address */
-#define PSII_CONFIG_ADDR 0x30000290 /**< PowerSpan II Configuration Cycle Address configuration register */
-#define PSII_CONFIG_DATA 0x30000294 /**< PowerSpan II Configuration Cycle Data register. */
-#define PSII_CONFIG_DEST_PCI2 0x01000000 /**< PowerSpan II configuration cycle destination selection, set for PCI2 bus */
-#define PSII_PCI_MEM_BASE 0x30200000 /**< Local Bus address for start of PCI memory space on PCI2 bus. */
-#define PSII_PCI_MEM_SIZE 0x1BE00000 /**< PCI Memory space about 510 Meg. */
-#define AP1000_SYS_MEM_START 0x00000000 /**< System memory starts at 0. */
-#define AP1000_SYS_MEM_SIZE 0x08000000 /**< System memory is 128 Meg. */
-
-/* static int G_verbosity_level = 1; */
-#define G_verbosity_level 1
-
-void write1 (unsigned long addr, unsigned char val)
-{
- volatile unsigned char *p = (volatile unsigned char *) addr;
-
- if (G_verbosity_level > 1)
- printf ("write1: addr=%08x val=%02x\n", (unsigned int) addr,
- val);
- *p = val;
- asm ("eieio");
-}
-
-unsigned char read1 (unsigned long addr)
-{
- unsigned char val;
- volatile unsigned char *p = (volatile unsigned char *) addr;
-
- if (G_verbosity_level > 1)
- printf ("read1: addr=%08x ", (unsigned int) addr);
- val = *p;
- asm ("eieio");
- if (G_verbosity_level > 1)
- printf ("val=%08x\n", val);
- return val;
-}
-
-void write2 (unsigned long addr, unsigned short val)
-{
- volatile unsigned short *p = (volatile unsigned short *) addr;
-
- if (G_verbosity_level > 1)
- printf ("write2: addr=%08x val=%04x -> *p=%04x\n",
- (unsigned int) addr, val,
- ((val & 0xFF00) >> 8) | ((val & 0x00FF) << 8));
-
- *p = ((val & 0xFF00) >> 8) | ((val & 0x00FF) << 8);
- asm ("eieio");
-}
-
-unsigned short read2 (unsigned long addr)
-{
- unsigned short val;
- volatile unsigned short *p = (volatile unsigned short *) addr;
-
- if (G_verbosity_level > 1)
- printf ("read2: addr=%08x ", (unsigned int) addr);
- val = *p;
- val = ((val & 0xFF00) >> 8) | ((val & 0x00FF) << 8);
- asm ("eieio");
- if (G_verbosity_level > 1)
- printf ("*p=%04x -> val=%04x\n",
- ((val & 0xFF00) >> 8) | ((val & 0x00FF) << 8), val);
- return val;
-}
-
-void write4 (unsigned long addr, unsigned long val)
-{
- volatile unsigned long *p = (volatile unsigned long *) addr;
-
- if (G_verbosity_level > 1)
- printf ("write4: addr=%08x val=%08x -> *p=%08x\n",
- (unsigned int) addr, (unsigned int) val,
- (unsigned int) (((val & 0xFF000000) >> 24) |
- ((val & 0x000000FF) << 24) |
- ((val & 0x00FF0000) >> 8) |
- ((val & 0x0000FF00) << 8)));
-
- *p = ((val & 0xFF000000) >> 24) | ((val & 0x000000FF) << 24) |
- ((val & 0x00FF0000) >> 8) | ((val & 0x0000FF00) << 8);
- asm ("eieio");
-}
-
-unsigned long read4 (unsigned long addr)
-{
- unsigned long val;
- volatile unsigned long *p = (volatile unsigned long *) addr;
-
- if (G_verbosity_level > 1)
- printf ("read4: addr=%08x", (unsigned int) addr);
-
- val = *p;
- val = ((val & 0xFF000000) >> 24) | ((val & 0x000000FF) << 24) |
- ((val & 0x00FF0000) >> 8) | ((val & 0x0000FF00) << 8);
- asm ("eieio");
-
- if (G_verbosity_level > 1)
- printf ("*p=%04x -> val=%04x\n",
- (unsigned int) (((val & 0xFF000000) >> 24) |
- ((val & 0x000000FF) << 24) |
- ((val & 0x00FF0000) >> 8) |
- ((val & 0x0000FF00) << 8)),
- (unsigned int) val);
- return val;
-}
-
-void write4be (unsigned long addr, unsigned long val)
-{
- volatile unsigned long *p = (volatile unsigned long *) addr;
-
- if (G_verbosity_level > 1)
- printf ("write4: addr=%08x val=%08x\n", (unsigned int) addr,
- (unsigned int) val);
- *p = val;
- asm ("eieio");
-}
-
-/** One byte configuration write on PSII.
- * Currently fixes destination PCI bus to PCI2, onboard
- * pci.
- * @param hose PCI Host controller information. Ignored.
- * @param dev Encoded PCI device/Bus and Function value.
- * @param reg PCI Configuration register number.
- * @param val Address of location for received byte.
- * @return Always Zero.
- */
-static int psII_read_config_byte (struct pci_controller *hose,
- pci_dev_t dev, int reg, u8 * val)
-{
- write4be (PSII_CONFIG_ADDR, PSII_CONFIG_DEST_PCI2 | /* Operate on PCI2 bus interface . */
- (PCI_BUS (dev) << 16) | (PCI_DEV (dev) << 11) | (PCI_FUNC (dev) << 8) | ((reg & 0xFF) & ~3)); /* Configuation cycle type 0 */
-
- *val = read1 (PSII_CONFIG_DATA + (reg & 0x03));
- return (0);
-}
-
-/** One byte configuration write on PSII.
- * Currently fixes destination bus to PCI2, onboard
- * pci.
- * @param hose PCI Host controller information. Ignored.
- * @param dev Encoded PCI device/Bus and Function value.
- * @param reg PCI Configuration register number.
- * @param val Output byte.
- * @return Always Zero.
- */
-static int psII_write_config_byte (struct pci_controller *hose,
- pci_dev_t dev, int reg, u8 val)
-{
- write4be (PSII_CONFIG_ADDR, PSII_CONFIG_DEST_PCI2 | /* Operate on PCI2 bus interface . */
- (PCI_BUS (dev) << 16) | (PCI_DEV (dev) << 11) | (PCI_FUNC (dev) << 8) | ((reg & 0xFF) & ~3)); /* Configuation cycle type 0 */
-
- write1 (PSII_CONFIG_DATA + (reg & 0x03), (unsigned char) val);
-
- return (0);
-}
-
-/** One word (16 bit) configuration read on PSII.
- * Currently fixes destination PCI bus to PCI2, onboard
- * pci.
- * @param hose PCI Host controller information. Ignored.
- * @param dev Encoded PCI device/Bus and Function value.
- * @param reg PCI Configuration register number.
- * @param val Address of location for received word.
- * @return Always Zero.
- */
-static int psII_read_config_word (struct pci_controller *hose,
- pci_dev_t dev, int reg, u16 * val)
-{
- write4be (PSII_CONFIG_ADDR, PSII_CONFIG_DEST_PCI2 | /* Operate on PCI2 bus interface . */
- (PCI_BUS (dev) << 16) | (PCI_DEV (dev) << 11) | (PCI_FUNC (dev) << 8) | ((reg & 0xFF) & ~3)); /* Configuation cycle type 0 */
-
- *val = read2 (PSII_CONFIG_DATA + (reg & 0x03));
- return (0);
-}
-
-/** One word (16 bit) configuration write on PSII.
- * Currently fixes destination bus to PCI2, onboard
- * pci.
- * @param hose PCI Host controller information. Ignored.
- * @param dev Encoded PCI device/Bus and Function value.
- * @param reg PCI Configuration register number.
- * @param val Output word.
- * @return Always Zero.
- */
-static int psII_write_config_word (struct pci_controller *hose,
- pci_dev_t dev, int reg, u16 val)
-{
- write4be (PSII_CONFIG_ADDR, PSII_CONFIG_DEST_PCI2 | /* Operate on PCI2 bus interface . */
- (PCI_BUS (dev) << 16) | (PCI_DEV (dev) << 11) | (PCI_FUNC (dev) << 8) | ((reg & 0xFF) & ~3)); /* Configuation cycle type 0 */
-
- write2 (PSII_CONFIG_DATA + (reg & 0x03), (unsigned short) val);
-
- return (0);
-}
-
-/** One DWord (32 bit) configuration read on PSII.
- * Currently fixes destination PCI bus to PCI2, onboard
- * pci.
- * @param hose PCI Host controller information. Ignored.
- * @param dev Encoded PCI device/Bus and Function value.
- * @param reg PCI Configuration register number.
- * @param val Address of location for received byte.
- * @return Always Zero.
- */
-static int psII_read_config_dword (struct pci_controller *hose,
- pci_dev_t dev, int reg, u32 * val)
-{
- write4be (PSII_CONFIG_ADDR, PSII_CONFIG_DEST_PCI2 | /* Operate on PCI2 bus interface . */
- (PCI_BUS (dev) << 16) | (PCI_DEV (dev) << 11) | (PCI_FUNC (dev) << 8) | ((reg & 0xFF) & ~3)); /* Configuation cycle type 0 */
-
- *val = read4 (PSII_CONFIG_DATA);
- return (0);
-}
-
-/** One DWord (32 bit) configuration write on PSII.
- * Currently fixes destination bus to PCI2, onboard
- * pci.
- * @param hose PCI Host controller information. Ignored.
- * @param dev Encoded PCI device/Bus and Function value.
- * @param reg PCI Configuration register number.
- * @param val Output Dword.
- * @return Always Zero.
- */
-static int psII_write_config_dword (struct pci_controller *hose,
- pci_dev_t dev, int reg, u32 val)
-{
- write4be (PSII_CONFIG_ADDR, PSII_CONFIG_DEST_PCI2 | /* Operate on PCI2 bus interface . */
- (PCI_BUS (dev) << 16) | (PCI_DEV (dev) << 11) | (PCI_FUNC (dev) << 8) | ((reg & 0xFF) & ~3)); /* Configuation cycle type 0 */
-
- write4 (PSII_CONFIG_DATA, (unsigned long) val);
-
- return (0);
-}
-
-static struct pci_config_table ap1000_config_table[] = {
-#ifdef CONFIG_AP1000
- {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
- PCI_BUS (CFG_ETH_DEV_FN), PCI_DEV (CFG_ETH_DEV_FN),
- PCI_FUNC (CFG_ETH_DEV_FN),
- pci_cfgfunc_config_device,
- {CFG_ETH_IOBASE, CFG_ETH_MEMBASE,
- PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
-#endif
- {}
-};
-
-static struct pci_controller psII_hose = {
- config_table:ap1000_config_table,
-};
-
-void pci_init_board (void)
-{
- struct pci_controller *hose = &psII_hose;
-
- /*
- * Register the hose
- */
- hose->first_busno = 0;
- hose->last_busno = 0xff;
-
- /* System memory space */
- pci_set_region (hose->regions + 0,
- AP1000_SYS_MEM_START, AP1000_SYS_MEM_START,
- AP1000_SYS_MEM_SIZE,
- PCI_REGION_MEM | PCI_REGION_MEMORY);
-
- /* PCI Memory space */
- pci_set_region (hose->regions + 1,
- PSII_PCI_MEM_BASE, PSII_PCI_MEM_BASE,
- PSII_PCI_MEM_SIZE, PCI_REGION_MEM);
-
- /* No IO Memory space - for now */
-
- pci_set_ops (hose,
- psII_read_config_byte,
- psII_read_config_word,
- psII_read_config_dword,
- psII_write_config_byte,
- psII_write_config_word, psII_write_config_dword);
-
- hose->region_count = 2;
-
- pci_register_hose (hose);
-
- hose->last_busno = pci_hose_scan (hose);
-}
generated by cgit v1.2.3 (git 2.0.4) at 2024-09-27 05:16:43 +0000