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Diffstat (limited to 'c/src/lib/libbsp/sparc/leon2/cchip/cchip.c')
-rw-r--r--c/src/lib/libbsp/sparc/leon2/cchip/cchip.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/c/src/lib/libbsp/sparc/leon2/cchip/cchip.c b/c/src/lib/libbsp/sparc/leon2/cchip/cchip.c
index 12ad9203b6..e0c6364c66 100644
--- a/c/src/lib/libbsp/sparc/leon2/cchip/cchip.c
+++ b/c/src/lib/libbsp/sparc/leon2/cchip/cchip.c
@@ -52,9 +52,9 @@ typedef struct {
unsigned int bar2;
unsigned int bar3;
unsigned int bar4;/* 0x10 */
-
+
unsigned int unused[4*3-1];
-
+
unsigned int ambabars[1]; /* 0x40 */
} amba_bridge_regs;
@@ -65,7 +65,7 @@ typedef struct {
unsigned int bar2;
unsigned int bar3;
unsigned int bar4; /* 0x10 */
-
+
unsigned int ilevel;
unsigned int ipend;
unsigned int iforce;
@@ -77,20 +77,20 @@ typedef struct {
typedef struct {
pci_bridge_regs *pcib;
amba_bridge_regs *ambab;
-
+
/* AT697 PCI */
unsigned int bars[5];
int bus, dev, fun;
-
+
/* AMBA bus */
amba_confarea_type amba_bus;
struct amba_mmap amba_maps[2];
-
+
/* FT AHB SRAM */
int ftsram_size; /* kb */
unsigned int ftsram_start;
unsigned int ftsram_end;
-
+
} cchip1;
cchip1 cc1;
@@ -102,7 +102,7 @@ int init_pcif(void){
amba_bridge_regs *ambab;
int amba_master_cnt;
amba_confarea_type *abus;
-
+
if ( BSP_pciFindDevice(0x1AC8, 0x0701, 0, &bus, &dev, &fun) == 0 ) {
;
}else if (BSP_pciFindDevice(0x16E3, 0x0210, 0, &bus, &dev, &fun) == 0) {
@@ -111,15 +111,15 @@ int init_pcif(void){
/* didn't find any Companionship board on the PCI bus. */
return -1;
}
-
+
/* found Companionship PCI board, Set it up: */
-
+
pci_read_config_dword(bus, dev, fun, 0x10, &cc1.bars[0]);
pci_read_config_dword(bus, dev, fun, 0x14, &cc1.bars[1]);
pci_read_config_dword(bus, dev, fun, 0x18, &cc1.bars[2]);
pci_read_config_dword(bus, dev, fun, 0x1c, &cc1.bars[3]);
pci_read_config_dword(bus, dev, fun, 0x20, &cc1.bars[4]);
-
+
#ifdef DEBUG
for(i=0; i<5; i++){
printk("PCI: BAR%d: 0x%x\n\r",i,cc1.bars[i]);
@@ -138,7 +138,7 @@ int init_pcif(void){
cc1.amba_maps[0].size = 0x04000000;
cc1.amba_maps[0].cpu_adr = cc1.bars[1];
cc1.amba_maps[0].remote_amba_adr = 0xfc000000;
-
+
/* Mark end of table */
cc1.amba_maps[1].size=0;
cc1.amba_maps[1].cpu_adr = 0;
@@ -149,7 +149,7 @@ int init_pcif(void){
com1 |= 0x3;
pci_write_config_dword(bus, dev, fun, 0x4, com1);
pci_read_config_dword(bus, dev, fun, 0x4, &com1);
-
+
/* Set up AMBA Masters ==> PCI */
ambab = (void *)(cc1.bars[1]+0x400);
#ifdef DEBUG
@@ -157,34 +157,34 @@ int init_pcif(void){
printk("AMBA: PCIBAR[%d]: 0x%x, 0x%x\n\r",1,ambab->bar1,pcib->bar1);
printk("AMBA: PCIBAR[%d]: 0x%x, 0x%x\n\r",2,ambab->bar2,pcib->bar2);
#endif
- ambab->ambabars[0] = 0x40000000; /* 0xe0000000(AMBA) ==> 0x40000000(PCI) ==> 0x40000000(AT697 AMBA) */
-
+ ambab->ambabars[0] = 0x40000000; /* 0xe0000000(AMBA) ==> 0x40000000(PCI) ==> 0x40000000(AT697 AMBA) */
+
/* Scan bus for AMBA devices */
abus = &cc1.amba_bus;
memset(abus,0,sizeof(amba_confarea_type));
amba_scan(abus,cc1.bars[1]+0x3f00000,&cc1.amba_maps[0]);
-
+
/* Get number of amba masters */
amba_master_cnt = abus->ahbmst.devnr;
-#ifdef BOARD_INFO
+#ifdef BOARD_INFO
printk("Found %d AMBA masters\n\r",amba_master_cnt);
#endif
for(i=1; i<amba_master_cnt; i++){
ambab->ambabars[i] = 0x40000000;
}
-
+
/* Enable PCI Master */
pci_read_config_dword(bus, dev, fun, 0x4, &com1);
com1 |= 0x4;
pci_write_config_dword(bus, dev, fun, 0x4, com1);
- pci_read_config_dword(bus, dev, fun, 0x4, &com1);
-
+ pci_read_config_dword(bus, dev, fun, 0x4, &com1);
+
cc1.pcib = pcib;
cc1.ambab = ambab;
cc1.bus = bus;
cc1.dev = dev;
cc1.fun = fun;
-
+
return 0;
}
@@ -195,8 +195,8 @@ int init_onboard_sram(void){
amba_ahb_device ahb;
amba_apb_device apb;
unsigned int conf, size;
-
- /* Find SRAM controller
+
+ /* Find SRAM controller
* 1. AHB slave interface
* 2. APB slave interface
*/
@@ -204,20 +204,20 @@ int init_onboard_sram(void){
printk("On Board FT SRAM not found (APB)\n");
return -1;
}
-
+
if ( amba_find_ahbslv(&cc1.amba_bus,VENDOR_GAISLER,GAISLER_FTAHBRAM,&ahb) != 1 ){
printk("On Board FT SRAM not found (AHB)\n");
return -1;
}
-
+
/* We have found the controller.
* Get it going.
*
- * Get size of SRAM
+ * Get size of SRAM
*/
conf = *(unsigned int *)apb.start;
size = (conf >>10) & 0x7;
-
+
/* 2^x kb */
cc1.ftsram_size = 1<<size;
cc1.ftsram_start = ahb.start[0];
@@ -229,10 +229,10 @@ int init_onboard_sram(void){
}
int cchip1_register(void){
-
+
/* Init AT697 PCI Controller */
init_pci();
-
+
/* Find & init CChip board .
* Also scan AMBA Plug&Play info for us.
*/
@@ -243,43 +243,43 @@ int cchip1_register(void){
/* Set interrupt common board stuff */
cchip1_irq_init();
-
+
/* Find on board SRAM */
if ( init_onboard_sram() ){
printk("Failed to register On Board SRAM. It is needed by b1553BRM\n");
return -1;
}
-
+
/* Register interrupt install functions */
b1553brm_pci_int_reg = cchip1_set_isr;
occan_pci_int_reg = cchip1_set_isr;
grspw_pci_int_reg = cchip1_set_isr;
apbuart_pci_int_reg = cchip1_set_isr;
-
+
/* register the BRM PCI driver, use 16k FTSRAM... */
if ( b1553brm_pci_register(&cc1.amba_bus,0,0,3,cc1.ftsram_start,0xffa00000) ){
printk("Failed to register BRM PCI driver\n");
return -1;
}
-
+
/* register the BRM PCI driver, no DMA memory... */
if ( occan_pci_register(&cc1.amba_bus) ){
printk("Failed to register OC_CAN PCI driver\n");
return -1;
}
-
+
/* register the GRSPW PCI driver, use malloc... */
if ( grspw_pci_register(&cc1.amba_bus,0,0xe0000000) ){
printk("Failed to register GRSPW PCI driver\n");
return -1;
}
-
+
/* register the APBUART PCI driver, no DMA memory */
if ( apbuart_pci_register(&cc1.amba_bus) ){
printk("Failed to register APBUART PCI driver\n");
return -1;
}
-
+
return 0;
}
@@ -298,7 +298,7 @@ void cchip1_irq_init(void){
/* Configure AT697 ioport bit 7 to input pci irq */
regs->PIO_Direction &= ~(1<<7);
regs->PIO_Interrupt = 0x87; /* level sensitive */
-
+
/* Set up irq controller (mask all IRQs) */
cc1.pcib->imask = 0x0000;
cc1.pcib->ipend = 0;
@@ -307,10 +307,10 @@ void cchip1_irq_init(void){
cc1.pcib->ilevel = 0x0;
memset(int_handlers,0,sizeof(int_handlers));
-
+
/* Reset spurious counter */
cchip1_spurious_cnt = 0;
-
+
/* Register interrupt handler */
set_vector(cchip1_interrupt_dispatcher,LEON_TRAP_TYPE(CCHIP_IRQ),1);
}
@@ -323,11 +323,11 @@ void cchip1_set_isr(void *handler, int irqno, void *arg){
#endif
cc1.pcib->imask |= 1<<irqno; /* Enable the registered IRQ */
}
-
-static rtems_isr cchip1_interrupt_dispatcher(rtems_vector_number v){
+
+static rtems_isr cchip1_interrupt_dispatcher(rtems_vector_number v){
unsigned int pending = READ_REG(&cc1.pcib->ipend);
unsigned int (*handler)(int irqno, void *arg);
- unsigned int clr = pending;
+ unsigned int clr = pending;
int irq=1;
if ( !pending ){
@@ -343,7 +343,7 @@ static rtems_isr cchip1_interrupt_dispatcher(rtems_vector_number v){
/* IRQ 0 doesn't exist */
irq=1;
pending = pending>>1;
-
+
while ( pending ){
if ( (pending & 1) && (handler=int_handlers[irq].handler) ){
handler(irq,int_handlers[irq].arg);
@@ -353,6 +353,6 @@ static rtems_isr cchip1_interrupt_dispatcher(rtems_vector_number v){
}
cc1.pcib->iclear = clr;
-
+
/*LEON_Clear_interrupt( brd->irq );*/
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-13 07:49:11 +0000