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Diffstat (limited to 'c/src/lib/libbsp/sparc/leon2/rasta/rasta.c')
-rw-r--r--c/src/lib/libbsp/sparc/leon2/rasta/rasta.c94
1 files changed, 47 insertions, 47 deletions
diff --git a/c/src/lib/libbsp/sparc/leon2/rasta/rasta.c b/c/src/lib/libbsp/sparc/leon2/rasta/rasta.c
index ae28904ed8..7b66b07246 100644
--- a/c/src/lib/libbsp/sparc/leon2/rasta/rasta.c
+++ b/c/src/lib/libbsp/sparc/leon2/rasta/rasta.c
@@ -34,7 +34,7 @@
#ifdef DEBUG
#define DBG(x...) printk(x)
#else
-#define DBG(x...)
+#define DBG(x...)
#endif
/*
@@ -72,7 +72,7 @@ struct gpio_reg *gpio0, *gpio1;
/* volatile unsigned int *pci_mem = (volatile unsigned int *) 0xb0400000; */
/* if (*pci_int & 0x20) { */
-
+
/* *pci_int = 0x20; */
/* *pci_mem = 0; */
@@ -99,13 +99,13 @@ void (*brm_int_handler)(int irq, void *arg) = NULL;
static rtems_isr rasta_interrupt_handler (rtems_vector_number v)
{
unsigned int status;
-
+
status = irq->ipend;
if ( (status & GRCAN_IRQ) && grcan_int_handler ) {
grcan_int_handler(GRCAN_IRQNO,grcan_int_arg);
}
-
+
if (status & SPW_IRQ) {
if ( (status & SPW0_IRQ) && spw0_int_handler ){
spw0_int_handler(SPW0_IRQNO,spw0_int_arg);
@@ -114,12 +114,12 @@ static rtems_isr rasta_interrupt_handler (rtems_vector_number v)
if ( (status & SPW1_IRQ) && spw1_int_handler ){
spw1_int_handler(SPW1_IRQNO,spw1_int_arg);
}
-
+
if ( (status & SPW2_IRQ) && spw2_int_handler ){
spw2_int_handler(SPW2_IRQNO,spw2_int_arg);
}
}
- if ((status & BRM_IRQ) && brm_int_handler ){
+ if ((status & BRM_IRQ) && brm_int_handler ){
brm_int_handler(BRM_IRQNO,brm_int_arg);
}
if ( (status & UART0_IRQ) && uart0_int_handler ) {
@@ -128,10 +128,10 @@ static rtems_isr rasta_interrupt_handler (rtems_vector_number v)
if ( (status & UART1_IRQ) && uart1_int_handler) {
uart1_int_handler(UART1_IRQNO,uart1_int_arg);
}
-
+
DBG("RASTA-IRQ: 0x%x\n",status);
irq->iclear = status;
-
+
}
void rasta_interrrupt_register(void *handler, int irqno, void *arg)
@@ -141,27 +141,27 @@ void rasta_interrrupt_register(void *handler, int irqno, void *arg)
DBG("RASTA: Registering uart0 handler: 0x%x, arg: 0x%x\n",handler,arg);
uart0_int_handler = handler;
uart0_int_arg = arg;
-
+
/* unmask interrupt source */
irq->iclear = UART0_IRQ;
irq->mask[0] |= UART0_IRQ;
}
-
+
if ( irqno == UART1_IRQNO ){
DBG("RASTA: Registering uart1 handler: 0x%x, arg: 0x%x\n",handler,arg);
uart1_int_handler = handler;
uart1_int_arg = arg;
-
+
/* unmask interrupt source */
irq->iclear = UART1_IRQ;
irq->mask[0] |= UART1_IRQ;
}
-
+
if ( irqno == SPW0_IRQNO ){
DBG("RASTA: Registering spw0 handler: 0x%x, arg: 0x%x\n",handler,arg);
spw0_int_handler = handler;
spw0_int_arg = arg;
-
+
/* unmask interrupt source */
irq->iclear = SPW0_IRQ;
irq->mask[0] |= SPW0_IRQ;
@@ -171,41 +171,41 @@ void rasta_interrrupt_register(void *handler, int irqno, void *arg)
DBG("RASTA: Registering spw1 handler: 0x%x, arg: 0x%x\n",handler,arg);
spw1_int_handler = handler;
spw1_int_arg = arg;
-
+
/* unmask interrupt source */
irq->iclear = SPW1_IRQ;
irq->mask[0] |= SPW1_IRQ;
}
-
+
if ( irqno == SPW2_IRQNO ){
DBG("RASTA: Registering spw2 handler: 0x%x, arg: 0x%x\n",handler,arg);
spw2_int_handler = handler;
spw2_int_arg = arg;
-
+
/* unmask interrupt source */
irq->iclear = SPW2_IRQ;
irq->mask[0] |= SPW2_IRQ;
}
-
+
if ( irqno == GRCAN_IRQNO ){
DBG("RASTA: Registering GRCAN handler: 0x%x, arg: 0x%x\n",handler,arg);
grcan_int_handler = handler;
grcan_int_arg = arg;
-
+
/* unmask interrupt source */
irq->iclear = GRCAN_IRQ;
irq->mask[0] |= GRCAN_IRQ;
}
-
+
if ( irqno == BRM_IRQNO ){
DBG("RASTA: Registering BRM handler: 0x%x, arg: 0x%x\n",handler,arg);
brm_int_handler = handler;
brm_int_arg = arg;
-
+
/* unmask interrupt source */
irq->iclear = BRM_IRQ;
irq->mask[0] |= BRM_IRQ;
- }
+ }
}
@@ -213,21 +213,21 @@ int rasta_get_gpio(amba_confarea_type *abus, int index, struct gpio_reg **regs,
{
amba_apb_device dev;
int cores;
-
- if ( !abus )
+
+ if ( !abus )
return -1;
-
+
/* Scan PnP info for GPIO port number 'index' */
cores = amba_find_next_apbslv(abus,VENDOR_GAISLER,GAISLER_PIOPORT,&dev,index);
if ( cores < 1 )
return -1;
-
+
if ( regs )
*regs = (struct gpio_reg *)dev.start;
-
+
if ( irq )
*irq = dev.irq;
-
+
return 0;
}
@@ -235,37 +235,37 @@ int rasta_get_gpio(amba_confarea_type *abus, int index, struct gpio_reg **regs,
static amba_confarea_type abus;
static struct amba_mmap amba_maps[3];
-int rasta_register(void)
+int rasta_register(void)
{
unsigned int bar0, bar1, data;
unsigned int *page0 = NULL;
unsigned int *apb_base = NULL;
int found=0;
-
+
DBG("Searching for RASTA board ...");
-
+
/* Search PCI vendor/device id. */
if (BSP_pciFindDevice(0x1AC8, 0x0010, 0, &bus, &dev, &fun) == 0) {
found = 1;
}
-
+
/* Search old PCI vendor/device id. */
if ( (!found) && (BSP_pciFindDevice(0x16E3, 0x0210, 0, &bus, &dev, &fun) == 0) ) {
found = 1;
}
-
+
/* Did we find a RASTA board? */
if ( !found )
return -1;
-
+
DBG(" found it (dev/fun: %d/%d).\n", dev, fun);
pci_read_config_dword(bus, dev, fun, 0x10, &bar0);
pci_read_config_dword(bus, dev, fun, 0x14, &bar1);
- page0 = (unsigned int *)(bar0 + 0x400000);
+ page0 = (unsigned int *)(bar0 + 0x400000);
*page0 = 0x80000000; /* Point PAGE0 to start of APB */
apb_base = (unsigned int *)(bar0+APB2_OFFSET);
@@ -279,13 +279,13 @@ int rasta_register(void)
apb_base[0] = 0x000002ff;
apb_base[1] = 0x00001260;
apb_base[2] = 0x000e8000;
-#else
+#else
apb_base[0] = 0x000002ff;
apb_base[1] = 0x82206000;
apb_base[2] = 0x000e8000;
#endif
/* Set up rasta irq controller */
- irq = (LEON3_IrqCtrl_Regs_Map *) (bar0+IRQ_OFFSET);
+ irq = (LEON3_IrqCtrl_Regs_Map *) (bar0+IRQ_OFFSET);
irq->iclear = 0xffff;
irq->ilevel = 0;
irq->mask[0] = 0xffff & ~(UART0_IRQ|UART1_IRQ|SPW0_IRQ|SPW1_IRQ|SPW2_IRQ|GRCAN_IRQ|BRM_IRQ);
@@ -297,23 +297,23 @@ int rasta_register(void)
apb_base[0x100] |= 0x40000000; /* Set GRPCI mmap 0x4 */
apb_base[0x104] = 0x40000000; /* 0xA0000000; Point PAGE1 to RAM */
-
+
/* set parity error response */
pci_read_config_dword(bus, dev, fun, 0x4, &data);
pci_write_config_dword(bus, dev, fun, 0x4, data|0x40);
-
+
pci_master_enable(bus, dev, fun);
/* install PCI interrupt vector */
/* set_vector(pci_interrupt_handler,14+0x10, 1); */
-
+
/* install interrupt vector */
set_vector(rasta_interrupt_handler, RASTA_IRQ+0x10, 1);
/* Scan AMBA Plug&Play */
-
+
/* AMBA MAP bar0 (in CPU) ==> 0x80000000(remote amba address) */
amba_maps[0].size = 0x10000000;
amba_maps[0].cpu_adr = bar0;
@@ -328,14 +328,14 @@ int rasta_register(void)
amba_maps[2].size=0;
amba_maps[2].cpu_adr = 0;
amba_maps[2].remote_amba_adr = 0;
-
+
memset(&abus,0,sizeof(abus));
-
+
/* Start AMBA PnP scan at first AHB bus */
amba_scan(&abus,bar0+(AHB1_IOAREA_BASE_ADDR&~0xf0000000),&amba_maps[0]);
-
+
printk("Registering RASTA GRCAN driver\n\r");
-
+
/*grhcan_register(bar0 + GRHCAN_OFFSET, bar1);*/
grcan_rasta_int_reg=rasta_interrrupt_register;
if ( grcan_rasta_ram_register(&abus,bar1+0x20000) ){
@@ -352,7 +352,7 @@ int rasta_register(void)
printk("Failed to register BRM RASTA driver\n");
return -1;
}
-
+
/* provide the spacewire driver with AMBA Plug&Play
* info so that it can find the GRSPW cores.
*/
@@ -376,13 +376,13 @@ int rasta_register(void)
printk("Failed to get address for RASTA GPIO0\n\r");
return -1;
}
-
+
/* Find GPIO1 address */
if ( rasta_get_gpio(&abus,1,&gpio1,NULL) ){
printk("Failed to get address for RASTA GPIO1\n\r");
return -1;
}
-
+
/* Successfully registered the RASTA board */
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-12 22:17:52 +0000