diff options
Diffstat (limited to 'cpu/mpc85xx')
-rw-r--r-- | cpu/mpc85xx/cpu.c | 47 | ||||
-rw-r--r-- | cpu/mpc85xx/cpu_init.c | 4 | ||||
-rw-r--r-- | cpu/mpc85xx/ddr-gen1.c | 33 |
3 files changed, 4 insertions, 80 deletions
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c index d88c564..28c6119 100644 --- a/cpu/mpc85xx/cpu.c +++ b/cpu/mpc85xx/cpu.c @@ -264,53 +264,6 @@ reset_85xx_watchdog(void) } #endif /* CONFIG_WATCHDOG */ -#if defined(CONFIG_DDR_ECC) -void dma_init(void) { - volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC85xx_DMA_ADDR); - volatile fsl_dma_t *dma = &dma_base->dma[0]; - - dma->satr = 0x00040000; - dma->datr = 0x00040000; - dma->sr = 0xffffffff; /* clear any errors */ - asm("sync; isync; msync"); - return; -} - -uint dma_check(void) { - volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC85xx_DMA_ADDR); - volatile fsl_dma_t *dma = &dma_base->dma[0]; - volatile uint status = dma->sr; - - /* While the channel is busy, spin */ - while((status & 4) == 4) { - status = dma->sr; - } - - /* clear MR[CS] channel start bit */ - dma->mr &= 0x00000001; - asm("sync;isync;msync"); - - if (status != 0) { - printf ("DMA Error: status = %x\n", status); - } - return status; -} - -int dma_xfer(void *dest, uint count, void *src) { - volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC85xx_DMA_ADDR); - volatile fsl_dma_t *dma = &dma_base->dma[0]; - - dma->dar = (uint) dest; - dma->sar = (uint) src; - dma->bcr = count; - dma->mr = 0xf000004; - asm("sync;isync;msync"); - dma->mr = 0xf000005; - asm("sync;isync;msync"); - return dma_check(); -} -#endif - /* * Configures a UPM. The function requires the respective MxMR to be set * before calling this function. "size" is the number or entries, not a sizeof. diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c index c98dd8d..41de694 100644 --- a/cpu/mpc85xx/cpu_init.c +++ b/cpu/mpc85xx/cpu_init.c @@ -261,7 +261,9 @@ void cpu_init_f (void) #if defined(CONFIG_MPC8536) fsl_serdes_init(); #endif - +#if defined(CONFIG_FSL_DMA) + dma_init(); +#endif } diff --git a/cpu/mpc85xx/ddr-gen1.c b/cpu/mpc85xx/ddr-gen1.c index e24c9af..54437dd 100644 --- a/cpu/mpc85xx/ddr-gen1.c +++ b/cpu/mpc85xx/ddr-gen1.c @@ -66,10 +66,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, } #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) -extern void dma_init(void); -extern uint dma_check(void); -extern int dma_xfer(void *dest, uint count, void *src); - /* * Initialize all of memory for ECC, then enable errors. */ @@ -77,36 +73,9 @@ extern int dma_xfer(void *dest, uint count, void *src); void ddr_enable_ecc(unsigned int dram_size) { - uint *p = 0; - uint i = 0; volatile ccsr_ddr_t *ddr= (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR); - dma_init(); - - for (*p = 0; p < (uint *)(8 * 1024); p++) { - if (((unsigned int)p & 0x1f) == 0) { - ppcDcbz((unsigned long) p); - } - *p = (unsigned int)CONFIG_MEM_INIT_VALUE; - if (((unsigned int)p & 0x1c) == 0x1c) { - ppcDcbf((unsigned long) p); - } - } - - dma_xfer((uint *)0x002000, 0x002000, (uint *)0); /* 8K */ - dma_xfer((uint *)0x004000, 0x004000, (uint *)0); /* 16K */ - dma_xfer((uint *)0x008000, 0x008000, (uint *)0); /* 32K */ - dma_xfer((uint *)0x010000, 0x010000, (uint *)0); /* 64K */ - dma_xfer((uint *)0x020000, 0x020000, (uint *)0); /* 128k */ - dma_xfer((uint *)0x040000, 0x040000, (uint *)0); /* 256k */ - dma_xfer((uint *)0x080000, 0x080000, (uint *)0); /* 512k */ - dma_xfer((uint *)0x100000, 0x100000, (uint *)0); /* 1M */ - dma_xfer((uint *)0x200000, 0x200000, (uint *)0); /* 2M */ - dma_xfer((uint *)0x400000, 0x400000, (uint *)0); /* 4M */ - - for (i = 1; i < dram_size / 0x800000; i++) { - dma_xfer((uint *)(0x800000*i), 0x800000, (uint *)0); - } + dma_meminit(CONFIG_MEM_INIT_VALUE, dram_size); /* * Enable errors for ECC. |