X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Fmpc83xx%2Fcpu.c;h=e38a3722ca25f6fc7c8f082cbb787f770b6d28e5;hb=a93c92cddaedd5f0720e0da15c6664f7a688b582;hp=9e0a05d61516853c99ccf3233056e4f92a7c4910;hpb=e1ac387f4645499746856adc1aeaa9787da2eca6;p=oweals%2Fu-boot.git diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c index 9e0a05d615..e38a3722ca 100644 --- a/cpu/mpc83xx/cpu.c +++ b/cpu/mpc83xx/cpu.c @@ -35,6 +35,10 @@ #include #include #include +#ifdef CONFIG_BOOTCOUNT_LIMIT +#include +#include +#endif DECLARE_GLOBAL_DATA_PTR; @@ -272,115 +276,16 @@ 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() */ int cpu_eth_init(bd_t *bis) { -#if defined(CONFIG_UEC_ETH1) - uec_initialize(0); -#endif -#if defined(CONFIG_UEC_ETH2) - uec_initialize(1); -#endif -#if defined(CONFIG_UEC_ETH3) - uec_initialize(2); -#endif -#if defined(CONFIG_UEC_ETH4) - uec_initialize(3); -#endif -#if defined(CONFIG_UEC_ETH5) - uec_initialize(4); -#endif -#if defined(CONFIG_UEC_ETH6) - uec_initialize(5); +#if defined(CONFIG_UEC_ETH) + uec_standard_init(bis); #endif + #if defined(CONFIG_TSEC_ENET) tsec_standard_init(bis); #endif @@ -399,3 +304,33 @@ int cpu_mmc_init(bd_t *bis) return 0; #endif } + +#ifdef CONFIG_BOOTCOUNT_LIMIT + +#if !defined(CONFIG_MPC8360) +#error "CONFIG_BOOTCOUNT_LIMIT only for MPC8360 implemented" +#endif + +#if !defined(CONFIG_BOOTCOUNT_ADDR) +#define CONFIG_BOOTCOUNT_ADDR (0x110000 + QE_MURAM_SIZE - 2 * sizeof(unsigned long)) +#endif + +#include + +void bootcount_store (ulong a) +{ + void *reg = (void *)(CONFIG_SYS_IMMR + CONFIG_BOOTCOUNT_ADDR); + out_be32 (reg, a); + out_be32 (reg + 4, BOOTCOUNT_MAGIC); +} + +ulong bootcount_load (void) +{ + void *reg = (void *)(CONFIG_SYS_IMMR + CONFIG_BOOTCOUNT_ADDR); + + if (in_be32 (reg + 4) != BOOTCOUNT_MAGIC) + return 0; + else + return in_be32 (reg); +} +#endif /* CONFIG_BOOTCOUNT_LIMIT */