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symbolic names for FPGA interrupt registers

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This commit is contained in:
Markus Fröschle
2013-07-29 15:11:33 +00:00
parent 0e27814077
commit cf56195375
2 changed files with 15 additions and 9 deletions
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16
BaS_gcc/sources/BaS.c
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@@ -154,14 +154,14 @@ void nvram_init(void)
}
/* ACP interrupt controller */
#define FPGA_INTR_CONTRL 0xf0010000
#define FPGA_INTR_ENABLE 0xf0010004
#define FPGA_INTR_PENDIN 0xf0010008
#define FPGA_INTR_CONTRL (volatile uint32_t *) 0xf0010000
#define FPGA_INTR_ENABLE (volatile uint32_t *) 0xf0010004
#define FPGA_INTR_PENDIN (volatile uint32_t *) 0xf0010008
void enable_coldfire_interrupts()
{
xprintf("enable interrupts: ");
* (volatile uint32_t *) FPGA_INTR_CONTRL = 0L; /* disable all interrupts */
*FPGA_INTR_CONTRL = 0L; /* disable all interrupts */
MCF_EPORT_EPPAR = 0xaaa8; /* all interrupts on falling edge */
MCF_GPT0_GMS = MCF_GPT_GMS_ICT(1) | /* timer 0 on, video change capture on rising edge */
@@ -169,7 +169,7 @@ void enable_coldfire_interrupts()
MCF_GPT_GMS_TMS(1);
MCF_INTC_ICR62 = 0x3f;
* (volatile uint8_t *) 0xf0010004 = 0xfe; /* enable int 1-7 */
*FPGA_INTR_ENABLE = 0xfe; /* enable int 1-7 */
MCF_EPORT_EPIER = 0xfe; /* int 1-7 on */
MCF_EPORT_EPFR = 0xff; /* clear all pending interrupts */
MCF_INTC_IMRL = 0xffffff00; /* int 1-7 on */
@@ -180,7 +180,11 @@ void enable_coldfire_interrupts()
void disable_coldfire_interrupts()
{
* (volatile uint32_t *) 0xf0010004 = 0L; /* disable all interrupts */
*FPGA_INTR_ENABLE = 0; /* disable all interrupts */
MCF_EPORT_EPIER = 0x0;
MCF_EPORT_EPFR = 0x0;
MCF_INTC_IMRL = 0xfffffffe;
MCF_INTC_IMRH = 0xffffffff;
}
void BaS(void)

8
BaS_gcc/sources/spidma.c
View File

@@ -9,18 +9,20 @@
#include <MCD_dma.h>
#include "bas_printf.h"
extern char *_SYS_SRAM;
extern char _SYS_SRAM[];
#define SYS_SRAM &_SYS_SRAM[0]
int spidma_init(void)
{
int res;
res = MCD_initDma((dmaRegs *) &MCF_DMA_TASKBAR, &_SYS_SRAM, MCD_RELOC_TASKS | MCD_COMM_PREFETCH_EN);
res = MCD_initDma((dmaRegs *) &MCF_DMA_TASKBAR, SYS_SRAM, MCD_RELOC_TASKS | MCD_COMM_PREFETCH_EN);
if (res != MCD_OK)
{
xprintf("DMA API initialization failed (0x%x)\r\n", res);
return 0;
}
xprintf("DMA API initialized. Tasks are at %p\r\n", &_SYS_SRAM);
xprintf("DMA API initialized. Tasks are at %p\r\n", SYS_SRAM);
return 1;
}