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author | Peter Pearse <peter.pearse@arm.com> | 2008-01-07 15:34:22 +0000 |
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committer | Peter Pearse <peter.pearse@arm.com> | 2008-01-07 15:34:22 +0000 |
commit | 4985ca5af3767ffe13ea96e1dc26f88c81084414 (patch) | |
tree | 94db0464d5c7c643816dd3b4e823343496c2ed96 /post/cpu/ppc4xx/ether.c | |
parent | 2ae64f5135e51bb18753884d1265b99e89b5aedd (diff) | |
parent | 5c740711f0ea5b51414b341b71597c4a0751be74 (diff) | |
download | u-boot-imx-4985ca5af3767ffe13ea96e1dc26f88c81084414.zip u-boot-imx-4985ca5af3767ffe13ea96e1dc26f88c81084414.tar.gz u-boot-imx-4985ca5af3767ffe13ea96e1dc26f88c81084414.tar.bz2 |
Merge with git://www.denx.de/git/u-boot.git
Diffstat (limited to 'post/cpu/ppc4xx/ether.c')
-rw-r--r-- | post/cpu/ppc4xx/ether.c | 89 |
1 files changed, 60 insertions, 29 deletions
diff --git a/post/cpu/ppc4xx/ether.c b/post/cpu/ppc4xx/ether.c index ab23ca5..4ac7491 100644 --- a/post/cpu/ppc4xx/ether.c +++ b/post/cpu/ppc4xx/ether.c @@ -52,6 +52,28 @@ DECLARE_GLOBAL_DATA_PTR; +/* + * Get count of EMAC devices (doesn't have to be the max. possible number + * supported by the cpu) + * + * CONFIG_BOARD_EMAC_COUNT added so now a "dynamic" way to configure the + * EMAC count is possible. As it is needed for the Kilauea/Haleakala + * 405EX/405EXr eval board, using the same binary. + */ +#if defined(CONFIG_BOARD_EMAC_COUNT) +#define LAST_EMAC_NUM board_emac_count() +#else /* CONFIG_BOARD_EMAC_COUNT */ +#if defined(CONFIG_HAS_ETH3) +#define LAST_EMAC_NUM 4 +#elif defined(CONFIG_HAS_ETH2) +#define LAST_EMAC_NUM 3 +#elif defined(CONFIG_HAS_ETH1) +#define LAST_EMAC_NUM 2 +#else +#define LAST_EMAC_NUM 1 +#endif +#endif /* CONFIG_BOARD_EMAC_COUNT */ + #if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) #define SDR0_MFR_ETH_CLK_SEL_V(n) ((0x01<<27) / (n+1)) #endif @@ -65,6 +87,8 @@ static volatile mal_desc_t rx __cacheline_aligned; static char *tx_buf; static char *rx_buf; +int board_emac_count(void); + static void ether_post_init (int devnum, int hw_addr) { int i; @@ -93,11 +117,11 @@ static void ether_post_init (int devnum, int hw_addr) sync (); #endif /* reset emac */ - out32 (EMAC_M0 + hw_addr, EMAC_M0_SRST); + out_be32 ((void*)(EMAC_M0 + hw_addr), EMAC_M0_SRST); sync (); for (i = 0;; i++) { - if (!(in32 (EMAC_M0 + hw_addr) & EMAC_M0_SRST)) + if (!(in_be32 ((void*)(EMAC_M0 + hw_addr)) & EMAC_M0_SRST)) break; if (i >= 1000) { printf ("Timeout resetting EMAC\n"); @@ -120,7 +144,7 @@ static void ether_post_init (int devnum, int hw_addr) else mode_reg |= EMAC_M1_OBCI_GT100; - out32 (EMAC_M1 + hw_addr, mode_reg); + out_be32 ((void*)(EMAC_M1 + hw_addr), mode_reg); #endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */ @@ -145,6 +169,8 @@ static void ether_post_init (int devnum, int hw_addr) rx.ctrl = MAL_TX_CTRL_WRAP | MAL_RX_CTRL_EMPTY; rx.data_len = 0; rx.data_ptr = (char*)L1_CACHE_ALIGN((u32)rx_buf); + flush_dcache_range((u32)&rx, (u32)&rx + sizeof(mal_desc_t)); + flush_dcache_range((u32)&tx, (u32)&tx + sizeof(mal_desc_t)); switch (devnum) { case 1: @@ -186,40 +212,40 @@ static void ether_post_init (int devnum, int hw_addr) /* set internal loopback mode */ #ifdef CFG_POST_ETHER_EXT_LOOPBACK - out32 (EMAC_M1 + hw_addr, EMAC_M1_FDE | 0 | - EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K | - EMAC_M1_MF_100MBPS | EMAC_M1_IST | - in32 (EMAC_M1)); + out_be32 ((void*)(EMAC_M1 + hw_addr), EMAC_M1_FDE | 0 | + EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K | + EMAC_M1_MF_100MBPS | EMAC_M1_IST | + in_be32 ((void*)(EMAC_M1 + hw_addr))); #else - out32 (EMAC_M1 + hw_addr, EMAC_M1_FDE | EMAC_M1_ILE | - EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K | - EMAC_M1_MF_100MBPS | EMAC_M1_IST | - in32 (EMAC_M1)); + out_be32 ((void*)(EMAC_M1 + hw_addr), EMAC_M1_FDE | EMAC_M1_ILE | + EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K | + EMAC_M1_MF_100MBPS | EMAC_M1_IST | + in_be32 ((void*)(EMAC_M1 + hw_addr))); #endif /* set transmit enable & receive enable */ - out32 (EMAC_M0 + hw_addr, EMAC_M0_TXE | EMAC_M0_RXE); + out_be32 ((void*)(EMAC_M0 + hw_addr), EMAC_M0_TXE | EMAC_M0_RXE); /* enable broadcast address */ - out32 (EMAC_RXM + hw_addr, EMAC_RMR_BAE); + out_be32 ((void*)(EMAC_RXM + hw_addr), EMAC_RMR_BAE); /* set transmit request threshold register */ - out32 (EMAC_TRTR + hw_addr, 0x18000000); /* 256 byte threshold */ + out_be32 ((void*)(EMAC_TRTR + hw_addr), 0x18000000); /* 256 byte threshold */ /* set receive low/high water mark register */ #if defined(CONFIG_440) /* 440s has a 64 byte burst length */ - out32 (EMAC_RX_HI_LO_WMARK + hw_addr, 0x80009000); + out_be32 ((void*)(EMAC_RX_HI_LO_WMARK + hw_addr), 0x80009000); #else /* 405s have a 16 byte burst length */ - out32 (EMAC_RX_HI_LO_WMARK + hw_addr, 0x0f002000); + out_be32 ((void*)(EMAC_RX_HI_LO_WMARK + hw_addr), 0x0f002000); #endif /* defined(CONFIG_440) */ - out32 (EMAC_TXM1 + hw_addr, 0xf8640000); + out_be32 ((void*)(EMAC_TXM1 + hw_addr), 0xf8640000); /* Set fifo limit entry in tx mode 0 */ - out32 (EMAC_TXM0 + hw_addr, 0x00000003); + out_be32 ((void*)(EMAC_TXM0 + hw_addr), 0x00000003); /* Frame gap set */ - out32 (EMAC_I_FRAME_GAP_REG + hw_addr, 0x00000008); + out_be32 ((void*)(EMAC_I_FRAME_GAP_REG + hw_addr), 0x00000008); sync (); } @@ -246,7 +272,7 @@ static void ether_post_halt (int devnum, int hw_addr) udelay (1000); } /* emac reset */ - out32 (EMAC_M0 + hw_addr, EMAC_M0_SRST); + out_be32 ((void*)(EMAC_M0 + hw_addr), EMAC_M0_SRST); #if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) /* remove clocks for EMAC internal loopback */ @@ -266,14 +292,17 @@ static void ether_post_send (int devnum, int hw_addr, void *packet, int length) return; } udelay (1000); + invalidate_dcache_range((u32)&tx, (u32)&tx + sizeof(mal_desc_t)); } tx.ctrl = MAL_TX_CTRL_READY | MAL_TX_CTRL_WRAP | MAL_TX_CTRL_LAST | EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP; tx.data_len = length; memcpy (tx.data_ptr, packet, length); + flush_dcache_range((u32)&tx, (u32)&tx + sizeof(mal_desc_t)); + flush_dcache_range((u32)tx.data_ptr, (u32)tx.data_ptr + length); sync (); - out32 (EMAC_TXM0 + hw_addr, in32 (EMAC_TXM0 + hw_addr) | EMAC_TXM0_GNP0); + out_be32 ((void*)(EMAC_TXM0 + hw_addr), in_be32 ((void*)(EMAC_TXM0 + hw_addr)) | EMAC_TXM0_GNP0); sync (); } @@ -288,13 +317,17 @@ static int ether_post_recv (int devnum, int hw_addr, void *packet, int max_lengt return 0; } udelay (1000); + invalidate_dcache_range((u32)&rx, (u32)&rx + sizeof(mal_desc_t)); } length = rx.data_len - 4; - if (length <= max_length) + if (length <= max_length) { + invalidate_dcache_range((u32)rx.data_ptr, (u32)rx.data_ptr + length); memcpy(packet, rx.data_ptr, length); + } sync (); rx.ctrl |= MAL_RX_CTRL_EMPTY; + flush_dcache_range((u32)&rx, (u32)&rx + sizeof(mal_desc_t)); sync (); return length; @@ -372,6 +405,7 @@ Done: int ether_post_test (int flags) { int res = 0; + int i; /* Allocate tx & rx packet buffers */ tx_buf = malloc (PKTSIZE_ALIGN + CFG_CACHELINE_SIZE); @@ -383,13 +417,10 @@ int ether_post_test (int flags) goto out_free; } - /* EMAC0 */ - if (test_ctlr (0, 0)) - res = -1; - - /* EMAC1 */ - if (test_ctlr (1, 0x100)) - res = -1; + for (i = 0; i < LAST_EMAC_NUM; i++) { + if (test_ctlr (i, i*0x100)) + res = -1; + } out_free: free (tx_buf); |