X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cpu%2Fmpc83xx%2Fcpu.c;h=e38a3722ca25f6fc7c8f082cbb787f770b6d28e5;hb=a93c92cddaedd5f0720e0da15c6664f7a688b582;hp=587fca323bb587bc56d3690c6b85c6a4f43684fc;hpb=0e8454e990385a58f708c2fc26d31ac041c7a6c5;p=oweals%2Fu-boot.git

diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c
index 587fca323b..e38a3722ca 100644
--- a/cpu/mpc83xx/cpu.c
+++ b/cpu/mpc83xx/cpu.c
@@ -34,6 +34,11 @@
 #include <libfdt.h>
 #include <tsec.h>
 #include <netdev.h>
+#include <fsl_esdhc.h>
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+#include <asm/immap_qe.h>
+#include <asm/io.h>
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -271,117 +276,61 @@ void watchdog_reset (void)
 }
 #endif
 
-#if defined(CONFIG_DDR_ECC)
-void dma_init(void)
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+int cpu_eth_init(bd_t *bis)
 {
-	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);
-	}
+#if defined(CONFIG_UEC_ETH)
+	uec_standard_init(bis);
+#endif
 
-	debug("DMA-init end\n");
+#if defined(CONFIG_TSEC_ENET)
+	tsec_standard_init(bis);
+#endif
+	return 0;
 }
 
-uint dma_check(void)
+/*
+ * Initializes on-chip MMC controllers.
+ * to override, implement board_mmc_init()
+ */
+int cpu_mmc_init(bd_t *bis)
 {
-	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;
+#ifdef CONFIG_FSL_ESDHC
+	return fsl_esdhc_mmc_init(bis);
+#else
+	return 0;
+#endif
 }
 
-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);
+#ifdef CONFIG_BOOTCOUNT_LIMIT
 
-	dma->dmamr0 = swab32(dmamr0);
+#if !defined(CONFIG_MPC8360)
+#error "CONFIG_BOOTCOUNT_LIMIT only for MPC8360 implemented"
+#endif
 
-	__asm__ __volatile__ ("sync");
-	__asm__ __volatile__ ("isync");
+#if !defined(CONFIG_BOOTCOUNT_ADDR)
+#define CONFIG_BOOTCOUNT_ADDR	(0x110000 + QE_MURAM_SIZE - 2 * sizeof(unsigned long))
+#endif
 
-	/* set CS to start DMA transfer */
-	dmamr0 |= DMA_CHANNEL_START;
-	dma->dmamr0 = swab32(dmamr0);
-	__asm__ __volatile__ ("sync");
-	__asm__ __volatile__ ("isync");
+#include <asm/io.h>
 
-	return ((int)dma_check());
+void bootcount_store (ulong a)
+{
+	void *reg = (void *)(CONFIG_SYS_IMMR + CONFIG_BOOTCOUNT_ADDR);
+	out_be32 (reg, a);
+	out_be32 (reg + 4, BOOTCOUNT_MAGIC);
 }
-#endif /*CONFIG_DDR_ECC*/
 
-/*
- * Initializes on-chip ethernet controllers.
- * to override, implement board_eth_init()
- */
-int cpu_eth_init(bd_t *bis)
+ulong bootcount_load (void)
 {
-#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);
-#endif
-#if defined(CONFIG_TSEC_ENET)
-	tsec_standard_init(bis);
-#endif
-	return 0;
+	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 */