diff options
Diffstat (limited to 'cpu')
-rw-r--r-- | cpu/mpc83xx/cpu.c | 85 | ||||
-rw-r--r-- | cpu/mpc83xx/spd_sdram.c | 43 | ||||
-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 | ||||
-rw-r--r-- | cpu/mpc86xx/cpu.c | 88 | ||||
-rw-r--r-- | cpu/mpc86xx/cpu_init.c | 3 | ||||
-rw-r--r-- | cpu/mpc8xxx/ddr/ddr3_dimm_params.c | 2 |
8 files changed, 34 insertions, 271 deletions
diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c index c4331ae..e38a372 100644 --- a/cpu/mpc83xx/cpu.c +++ b/cpu/mpc83xx/cpu.c @@ -276,91 +276,6 @@ void watchdog_reset (void) } #endif -#if defined(CONFIG_DDR_ECC) -void dma_init(void) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile dma83xx_t *dma = &immap->dma; - volatile u32 status = swab32(dma->dmasr0); - volatile u32 dmamr0 = swab32(dma->dmamr0); - - debug("DMA-init\n"); - - /* initialize DMASARn, DMADAR and DMAABCRn */ - dma->dmadar0 = (u32)0; - dma->dmasar0 = (u32)0; - dma->dmabcr0 = 0; - - __asm__ __volatile__ ("sync"); - __asm__ __volatile__ ("isync"); - - /* clear CS bit */ - dmamr0 &= ~DMA_CHANNEL_START; - dma->dmamr0 = swab32(dmamr0); - __asm__ __volatile__ ("sync"); - __asm__ __volatile__ ("isync"); - - /* while the channel is busy, spin */ - while(status & DMA_CHANNEL_BUSY) { - status = swab32(dma->dmasr0); - } - - debug("DMA-init end\n"); -} - -uint dma_check(void) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile dma83xx_t *dma = &immap->dma; - volatile u32 status = swab32(dma->dmasr0); - volatile u32 byte_count = swab32(dma->dmabcr0); - - /* while the channel is busy, spin */ - while (status & DMA_CHANNEL_BUSY) { - status = swab32(dma->dmasr0); - } - - if (status & DMA_CHANNEL_TRANSFER_ERROR) { - printf ("DMA Error: status = %x @ %d\n", status, byte_count); - } - - return status; -} - -int dma_xfer(void *dest, u32 count, void *src) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile dma83xx_t *dma = &immap->dma; - volatile u32 dmamr0; - - /* initialize DMASARn, DMADAR and DMAABCRn */ - dma->dmadar0 = swab32((u32)dest); - dma->dmasar0 = swab32((u32)src); - dma->dmabcr0 = swab32(count); - - __asm__ __volatile__ ("sync"); - __asm__ __volatile__ ("isync"); - - /* init direct transfer, clear CS bit */ - dmamr0 = (DMA_CHANNEL_TRANSFER_MODE_DIRECT | - DMA_CHANNEL_SOURCE_ADDRESS_HOLD_8B | - DMA_CHANNEL_SOURCE_ADRESSS_HOLD_EN); - - dma->dmamr0 = swab32(dmamr0); - - __asm__ __volatile__ ("sync"); - __asm__ __volatile__ ("isync"); - - /* set CS to start DMA transfer */ - dmamr0 |= DMA_CHANNEL_START; - dma->dmamr0 = swab32(dmamr0); - __asm__ __volatile__ ("sync"); - __asm__ __volatile__ ("isync"); - - return ((int)dma_check()); -} -#endif /*CONFIG_DDR_ECC*/ - /* * Initializes on-chip ethernet controllers. * to override, implement board_eth_init() diff --git a/cpu/mpc83xx/spd_sdram.c b/cpu/mpc83xx/spd_sdram.c index 4704d20..0f61180 100644 --- a/cpu/mpc83xx/spd_sdram.c +++ b/cpu/mpc83xx/spd_sdram.c @@ -64,13 +64,6 @@ void board_add_ram_info(int use_default) } #ifdef CONFIG_SPD_EEPROM - -#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC) -extern void dma_init(void); -extern uint dma_check(void); -extern int dma_xfer(void *dest, uint count, void *src); -#endif - #ifndef CONFIG_SYS_READ_SPD #define CONFIG_SYS_READ_SPD i2c_read #endif @@ -830,7 +823,7 @@ long int spd_sdram() } #endif /* CONFIG_SPD_EEPROM */ -#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC) +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) /* * Use timebase counter, get_timer() is not availabe * at this point of initialization yet. @@ -863,7 +856,6 @@ static __inline__ unsigned long get_tbms (void) /* * Initialize all of memory for ECC, then enable errors. */ -/* #define CONFIG_DDR_ECC_INIT_VIA_DMA */ void ddr_enable_ecc(unsigned int dram_size) { volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; @@ -872,46 +864,21 @@ void ddr_enable_ecc(unsigned int dram_size) register u64 *p; register uint size; unsigned int pattern[2]; -#if defined(CONFIG_DDR_ECC_INIT_VIA_DMA) - uint i; -#endif + icache_enable(); t_start = get_tbms(); pattern[0] = 0xdeadbeef; pattern[1] = 0xdeadbeef; -#if !defined(CONFIG_DDR_ECC_INIT_VIA_DMA) +#if defined(CONFIG_DDR_ECC_INIT_VIA_DMA) + dma_meminit(pattern[0], dram_size); +#else debug("ddr init: CPU FP write method\n"); size = dram_size; for (p = 0; p < (u64*)(size); p++) { ppcDWstore((u32*)p, pattern); } __asm__ __volatile__ ("sync"); -#else - debug("ddr init: DMA method\n"); - size = 0x2000; - for (p = 0; p < (u64*)(size); p++) { - ppcDWstore((u32*)p, pattern); - } - __asm__ __volatile__ ("sync"); - - /* Initialise DMA for direct transfer */ - dma_init(); - /* Start DMA to transfer */ - dma_xfer((uint *)0x2000, 0x2000, (uint *)0); /* 8K */ - dma_xfer((uint *)0x4000, 0x4000, (uint *)0); /* 16K */ - dma_xfer((uint *)0x8000, 0x8000, (uint *)0); /* 32K */ - dma_xfer((uint *)0x10000, 0x10000, (uint *)0); /* 64K */ - dma_xfer((uint *)0x20000, 0x20000, (uint *)0); /* 128K */ - dma_xfer((uint *)0x40000, 0x40000, (uint *)0); /* 256K */ - dma_xfer((uint *)0x80000, 0x80000, (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); - } #endif t_end = get_tbms(); 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. diff --git a/cpu/mpc86xx/cpu.c b/cpu/mpc86xx/cpu.c index d47cc5e..bc64286 100644 --- a/cpu/mpc86xx/cpu.c +++ b/cpu/mpc86xx/cpu.c @@ -31,6 +31,21 @@ #include <tsec.h> #include <asm/fsl_law.h> +struct cpu_type cpu_type_list [] = { + CPU_TYPE_ENTRY(8610, 8610), + CPU_TYPE_ENTRY(8641, 8641), + CPU_TYPE_ENTRY(8641D, 8641D), +}; + +struct cpu_type *identify_cpu(u32 ver) +{ + int i; + for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++) + if (cpu_type_list[i].soc_ver == ver) + return &cpu_type_list[i]; + + return NULL; +} /* * Default board reset function @@ -53,6 +68,7 @@ checkcpu(void) char buf1[32], buf2[32]; volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; volatile ccsr_gur_t *gur = &immap->im_gur; + struct cpu_type *cpu; uint msscr0 = mfspr(MSSCR0); svr = get_svr(); @@ -62,20 +78,13 @@ checkcpu(void) puts("CPU: "); - switch (ver) { - case SVR_8641: - puts("8641"); - break; - case SVR_8641D: - puts("8641D"); - break; - case SVR_8610: - puts("8610"); - break; - default: + cpu = identify_cpu(ver); + if (cpu) { + puts(cpu->name); + } else { puts("Unknown"); - break; } + printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr); puts("Core: "); @@ -177,61 +186,6 @@ watchdog_reset(void) } #endif /* CONFIG_WATCHDOG */ - -#if defined(CONFIG_DDR_ECC) -void -dma_init(void) -{ - volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC86xx_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"); -} - -uint -dma_check(void) -{ - volatile ccsr_dma_t *dma_base = (void *)(CONFIG_SYS_MPC86xx_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"); - - 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_MPC86xx_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"); - dma->mr = 0xf000005; - asm("sync;isync"); - return dma_check(); -} - -#endif /* CONFIG_DDR_ECC */ - - /* * Print out the state of various machine registers. * Currently prints out LAWs, BR0/OR0, and BATs diff --git a/cpu/mpc86xx/cpu_init.c b/cpu/mpc86xx/cpu_init.c index 49528aa..341e815 100644 --- a/cpu/mpc86xx/cpu_init.c +++ b/cpu/mpc86xx/cpu_init.c @@ -113,6 +113,9 @@ void cpu_init_f(void) memctl->or7 = CONFIG_SYS_OR7_PRELIM; memctl->br7 = CONFIG_SYS_BR7_PRELIM; #endif +#if defined(CONFIG_FSL_DMA) + dma_init(); +#endif /* enable the timebase bit in HID0 */ set_hid0(get_hid0() | 0x4000000); diff --git a/cpu/mpc8xxx/ddr/ddr3_dimm_params.c b/cpu/mpc8xxx/ddr/ddr3_dimm_params.c index 8d686ac..13d234e 100644 --- a/cpu/mpc8xxx/ddr/ddr3_dimm_params.c +++ b/cpu/mpc8xxx/ddr/ddr3_dimm_params.c @@ -68,7 +68,7 @@ compute_ranksize(const ddr3_spd_eeprom_t *spd) if ((spd->organization & 0x7) < 4) nbit_sdram_width = (spd->organization & 0x7) + 2; - bsize = 1 << (nbit_sdram_cap_bsize - 3 + bsize = 1ULL << (nbit_sdram_cap_bsize - 3 + nbit_primary_bus_width - nbit_sdram_width); debug("DDR: DDR III rank density = 0x%08x\n", bsize); |