diff options
Diffstat (limited to 'board/sixnet/sixnet.c')
| -rw-r--r-- | board/sixnet/sixnet.c | 72 |
1 files changed, 49 insertions, 23 deletions
diff --git a/board/sixnet/sixnet.c b/board/sixnet/sixnet.c index c65e8097b..1570c4682 100644 --- a/board/sixnet/sixnet.c +++ b/board/sixnet/sixnet.c @@ -28,6 +28,9 @@ #include <net.h> /* for eth_init() */ #include <rtc.h> #include "sixnet.h" +#ifdef CONFIG_SHOW_BOOT_PROGRESS +# include <status_led.h> +#endif #define ORMASK(size) ((-size) & OR_AM_MSK) @@ -35,6 +38,22 @@ static long ram_size(ulong *, long); /* ------------------------------------------------------------------------- */ +#ifdef CONFIG_SHOW_BOOT_PROGRESS +void show_boot_progress (int status) +{ +#if defined(CONFIG_STATUS_LED) +# if defined(STATUS_LED_BOOT) + if (status == 15) { + /* ready to transfer to kernel, make sure LED is proper state */ + status_led_set(STATUS_LED_BOOT, CONFIG_BOOT_LED_STATE); + } +# endif /* STATUS_LED_BOOT */ +#endif /* CONFIG_STATUS_LED */ +} +#endif + +/* ------------------------------------------------------------------------- */ + /* * Check Board Identity: * returns 0 if recognized, -1 if unknown @@ -235,6 +254,9 @@ int misc_init_r (void) volatile immap_t *immap = (immap_t *)CFG_IMMR; volatile memctl8xx_t *memctl = &immap->im_memctl; + char* s; + char* e; + int reg; bd_t *bd = gd->bd; memctl->memc_or2 = NVRAM_OR_PRELIM; @@ -283,18 +305,19 @@ int misc_init_r (void) immap->im_sit.sit_rtc = tim; } -#if 0 - /* The code below is no longer valid since the prototype of - * eth_init() and eth_halt() have been changed to support - * multi-ethernet feature in U-Boot; the eth_initialize() - * routine should be called before any access to the ethernet - * callbacks. + /* set up ethernet address for SCC ethernet. If eth1addr + * is present it gets a unique address, otherwise it + * shares the FEC address. */ + s = getenv("eth1addr"); + if (s == NULL) + s = getenv("ethaddr"); + for (reg=0; reg<6; ++reg) { + bd->bi_enet1addr[reg] = s ? simple_strtoul(s, &e, 16) : 0; + if (s) + s = (*e) ? e+1 : e; + } - /* FIXME - for now init ethernet to force PHY special mode */ - eth_init(bd); - eth_halt(); -#endif return (0); } @@ -307,7 +330,7 @@ int misc_init_r (void) * * The memory size MUST be a power of 2 for this to work. * - * The only memory modified is 4 bytes at offset 0. This is important + * The only memory modified is 8 bytes at offset 0. This is important * since for the SRAM this location is reserved for autosizing, so if * it is modified and the board is reset before ram_size() completes * no damage is done. Normally even the memory at 0 is preserved. The @@ -319,28 +342,27 @@ static long ram_size(ulong *base, long maxsize) { volatile long *test_addr; volatile long *base_addr = base; - volatile long *flash = (volatile long*)CFG_FLASH_BASE; ulong ofs; /* byte offset from base_addr */ ulong save; /* to make test non-destructive */ - ulong junk; + ulong save2; /* to make test non-destructive */ long ramsize = -1; /* size not determined yet */ save = *base_addr; /* save value at 0 so can restore */ + save2 = *(base_addr+1); /* save value at 4 so can restore */ /* is any SRAM present? */ *base_addr = 0x5555aaaa; - /* use flash read to modify data bus, since with no SRAM present - * the data bus may retain the value if our code is running - * completely in the cache. + /* It is important to drive the data bus with different data so + * it doesn't remember the value and look like RAM that isn't there. */ - junk = *flash; + *(base_addr + 1) = 0xaaaa5555; /* use write to modify data bus */ if (*base_addr != 0x5555aaaa) ramsize = 0; /* no RAM present, or defective */ else { *base_addr = 0xaaaa5555; - junk = *flash; /* use flash read to modify data bus */ + *(base_addr + 1) = 0x5555aaaa; /* use write to modify data bus */ if (*base_addr != 0xaaaa5555) ramsize = 0; /* no RAM present, or defective */ } @@ -355,6 +377,7 @@ static long ram_size(ulong *base, long maxsize) } *base_addr = save; /* restore value at 0 */ + *(base_addr+1) = save2; /* restore value at 4 */ return (ramsize); } @@ -426,18 +449,21 @@ const uint sdram_table[] = MCR_MLCF(2) | MCR_MAD(0x30)) /* twice at 0x30 */ /* MAMR values work in either mamr or mbmr */ -/* 8 column SDRAM */ -#define SDRAM_MAMR_8COL /* refresh at 50MHz */ \ +#define SDRAM_MAMR_BASE /* refresh at 50MHz */ \ ((195 << MAMR_PTA_SHIFT) | MAMR_PTAE \ - | MAMR_AMA_TYPE_0 /* Address MUX 0 */ \ | MAMR_DSA_1_CYCL /* 1 cycle disable */ \ - | MAMR_G0CLA_A11 /* GPL0 A11[MPC] */ \ | MAMR_RLFA_1X /* Read loop 1 time */ \ | MAMR_WLFA_1X /* Write loop 1 time */ \ | MAMR_TLFA_4X) /* Timer loop 4 times */ +/* 8 column SDRAM */ +#define SDRAM_MAMR_8COL (SDRAM_MAMR_BASE \ + | MAMR_AMA_TYPE_0 /* Address MUX 0 */ \ + | MAMR_G0CLA_A11) /* GPL0 A11[MPC] */ /* 9 column SDRAM */ -#define SDRAM_MAMR_9COL ((SDRAM_MAMR_8COL & (~MAMR_G0CLA_A11)) | MAMR_G0CLA_A10) +#define SDRAM_MAMR_9COL (SDRAM_MAMR_BASE \ + | MAMR_AMA_TYPE_1 /* Address MUX 1 */ \ + | MAMR_G0CLA_A10) /* GPL0 A10[MPC] */ /* base address 0, 32-bit port, SDRAM UPM, valid */ #define SDRAM_BR_VALUE (BR_PS_32 | BR_MS_UPMA | BR_V) |