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Diffstat (limited to 'board/amirix/ap1000/pci.c')
-rw-r--r--board/amirix/ap1000/pci.c366
1 files changed, 169 insertions, 197 deletions
diff --git a/board/amirix/ap1000/pci.c b/board/amirix/ap1000/pci.c
index 34cd5872b9..a6436ac5bb 100644
--- a/board/amirix/ap1000/pci.c
+++ b/board/amirix/ap1000/pci.c
@@ -30,105 +30,121 @@
#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. */
+#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;
+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");
+ 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;
+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;
+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));
+ 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");
+ *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;
+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");
+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;
+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;
+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");
+ 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.
@@ -140,21 +156,14 @@ void write4be(unsigned long addr, unsigned long val) {
* @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)
+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);
+ 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.
@@ -166,22 +175,15 @@ static int psII_read_config_byte(
* @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)
+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 */
+ 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);
+ write1 (PSII_CONFIG_DATA + (reg & 0x03), (unsigned char) val);
- return(0);
+ return (0);
}
/** One word (16 bit) configuration read on PSII.
@@ -193,21 +195,14 @@ static int psII_write_config_byte(
* @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)
+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);
+ 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.
@@ -219,22 +214,15 @@ static int psII_read_config_word(
* @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)
+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 */
+ 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);
+ write2 (PSII_CONFIG_DATA + (reg & 0x03), (unsigned short) val);
- return(0);
+ return (0);
}
/** One DWord (32 bit) configuration read on PSII.
@@ -246,21 +234,14 @@ static int psII_write_config_word(
* @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)
+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);
+ 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.
@@ -272,75 +253,66 @@ static int psII_read_config_dword(
* @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)
+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 */
+ 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);
+ write4 (PSII_CONFIG_DATA, (unsigned long) val);
- return(0);
+ return (0);
}
-
-
-static struct pci_config_table ap1000_config_table[] = {
+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 }},
+ {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,
+ config_table:ap1000_config_table,
};
-void pci_init_board(void)
+void pci_init_board (void)
{
- struct pci_controller *hose = &psII_hose;
-
- /*
- * Register the hose
- */
- hose->first_busno = 0;
- hose->last_busno = 0xff;
+ 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);
+ /* 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);
+ /* 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 */
+ /* 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);
+ 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;
+ hose->region_count = 2;
- pci_register_hose(hose);
+ pci_register_hose (hose);
- hose->last_busno = pci_hose_scan(hose);
+ hose->last_busno = pci_hose_scan (hose);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-17 04:00:47 +0000