working with an in-memory copy. In case the Flash area containing the
environment is erased by accident, a default environment is provided.
-Some configuration options can be set using Environment Variables:
+Some configuration options can be set using Environment Variables.
+
+List of environment variables (most likely not complete):
baudrate - see CONFIG_BAUDRATE
available network interfaces.
It just stays at the currently selected interface.
- netretry - When set to "no" each network operation will
+ netretry - When set to "no" each network operation will
either succeed or fail without retrying.
When set to "once" the network operation will
fail when all the available network interfaces
tftpdstport - If this is set, the value is used for TFTP's UDP
destination port instead of the Well Know Port 69.
- vlan - When set to a value < 4095 the traffic over
+ tftpblocksize - Block size to use for TFTP transfers; if not set,
+ we use the TFTP server's default block size
+
+ tftptimeout - Retransmission timeout for TFTP packets (in milli-
+ seconds, minimum value is 1000 = 1 second). Defines
+ when a packet is considered to be lost so it has to
+ be retransmitted. The default is 5000 = 5 seconds.
+ Lowering this value may make downloads succeed
+ faster in networks with high packet loss rates or
+ with unreliable TFTP servers.
+
+ vlan - When set to a value < 4095 the traffic over
Ethernet is encapsulated/received over 802.1q
VLAN tagged frames.
}
U_BOOT_CMD(mmcinfo, 2, 0, do_mmcinfo,
- "mmcinfo <dev num>-- display MMC info\n",
+ "mmcinfo <dev num>-- display MMC info",
""
);
#ifdef CONFIG_SPLASH_SCREEN
/*
* suppress all output if splash screen is enabled and we have
- * a bmp to display
+ * a bmp to display. We redirect the output from frame buffer
+ * console to serial console in this case or suppress it if
+ * "silent" mode was requested.
*/
- if (getenv("splashimage") != NULL)
- gd->flags |= GD_FLG_SILENT;
+ if (getenv("splashimage") != NULL) {
+ if (!(gd->flags & GD_FLG_SILENT))
+ outputdev = search_device (DEV_FLAGS_OUTPUT, "serial");
+ }
#endif
/* Scan devices looking for input and output devices */
struct fb_info *info;
if (mpc5121_diu_init() < 0)
- return;
+ return NULL;
/* fill in Graphic device struct */
- sprintf(pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz",
+ sprintf(pGD->modeIdent, "%dx%dx%d %dkHz %dHz",
xres, yres, 32, 64, 60);
pGD->frameAdrs = (unsigned int)fsl_fb_open(&info);
int i;
/* reset sequence */
- writew(STR_STP_CLK_RESET, &host->base->str_stp_clk);
- writew(STR_STP_CLK_RESET | STR_STP_CLK_START_CLK,
+ writel(STR_STP_CLK_RESET, &host->base->str_stp_clk);
+ writel(STR_STP_CLK_RESET | STR_STP_CLK_START_CLK,
&host->base->str_stp_clk);
for (i = 0; i < 8; i++)
- writew(STR_STP_CLK_START_CLK, &host->base->str_stp_clk);
+ writel(STR_STP_CLK_START_CLK, &host->base->str_stp_clk);
- writew(0xff, &host->base->res_to);
+ writel(0xff, &host->base->res_to);
}
static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
host->data = data;
- writew(nob, &host->base->nob);
- writew(blksz, &host->base->blk_len);
+ writel(nob, &host->base->nob);
+ writel(blksz, &host->base->blk_len);
host->datasize = datasize;
}
return -EINVAL;
}
- writew(cmd->cmdidx, &host->base->cmd);
+ writel(cmd->cmdidx, &host->base->cmd);
writel(cmd->cmdarg, &host->base->arg);
- writew(cmdat, &host->base->cmd_dat_cont);
+ writel(cmdat, &host->base->cmd_dat_cont);
return 0;
}
if (cmd->resp_type & MMC_RSP_PRESENT) {
if (cmd->resp_type & MMC_RSP_136) {
for (i = 0; i < 4; i++) {
- a = readw(&host->base->res_fifo);
- b = readw(&host->base->res_fifo);
+ a = readl(&host->base->res_fifo) & 0xFFFF;
+ b = readl(&host->base->res_fifo) & 0xFFFF;
resp[i] = a << 16 | b;
}
} else {
- a = readw(&host->base->res_fifo);
- b = readw(&host->base->res_fifo);
- c = readw(&host->base->res_fifo);
+ a = readl(&host->base->res_fifo) & 0xFFFF;
+ b = readl(&host->base->res_fifo) & 0xFFFF;
+ c = readl(&host->base->res_fifo) & 0xFFFF;
resp[0] = a << 24 | b << 8 | c >> 8;
}
}
prescaler <<= 1;
}
- writew((prescaler << 4) | divider, &host->base->clk_rate);
+ writel((prescaler << 4) | divider, &host->base->clk_rate);
}
static void mxcmci_set_ios(struct mmc *mmc)
if (mmc->clock) {
mxcmci_set_clk_rate(host, mmc->clock);
- writew(STR_STP_CLK_START_CLK, &host->base->str_stp_clk);
+ writel(STR_STP_CLK_START_CLK, &host->base->str_stp_clk);
} else {
- writew(STR_STP_CLK_STOP_CLK, &host->base->str_stp_clk);
+ writel(STR_STP_CLK_STOP_CLK, &host->base->str_stp_clk);
}
host->clock = mmc->clock;
mxcmci_softreset(host);
- host->rev_no = readw(&host->base->rev_no);
+ host->rev_no = readl(&host->base->rev_no);
if (host->rev_no != 0x400) {
printf("wrong rev.no. 0x%08x. aborting.\n",
host->rev_no);
}
/* recommended in data sheet */
- writew(0x2db4, &host->base->read_to);
+ writel(0x2db4, &host->base->read_to);
writel(0, &host->base->int_cntr);
pci_hose_write_config_dword (hose, dev, PCI_COMMAND, 0);
- for (bar = PCI_BASE_ADDRESS_0; bar < PCI_BASE_ADDRESS_5; bar += 4) {
+ for (bar = PCI_BASE_ADDRESS_0; bar <= PCI_BASE_ADDRESS_5; bar += 4) {
pci_hose_write_config_dword (hose, dev, bar, 0xffffffff);
pci_hose_read_config_dword (hose, dev, bar, &bar_response);
u32 mrcr; /* 0x100 Master Remap Control */
u32 reserve4[3];
#if defined(CONFIG_AT91SAM9G45)
- u32 ccr[52] /* 0x110 - 0x1E0 Chip Configuration */
+ u32 ccr[52]; /* 0x110 - 0x1E0 Chip Configuration */
u32 womr; /* 0x1E4 Write Protect Mode */
u32 wpsr; /* 0x1E8 Write Protect Status */
u32 resg45_1[10];
#endif
/* ========================================================================= */
-# ifdef __LITTLE_ENDIAN
+# if __BYTE_ORDER == __LITTLE_ENDIAN
# define DO_CRC(x) crc = tab[(crc ^ (x)) & 255] ^ (crc >> 8)
# else
# define DO_CRC(x) crc = tab[((crc >> 24) ^ (x)) & 255] ^ (crc << 8)
pkt += 5 /*strlen("octet")*/ + 1;
strcpy ((char *)pkt, "timeout");
pkt += 7 /*strlen("timeout")*/ + 1;
- sprintf((char *)pkt, "%lu", TIMEOUT / 1000);
+ sprintf((char *)pkt, "%lu", TftpTimeoutMSecs / 1000);
debug("send option \"timeout %s\"\n", (char *)pkt);
pkt += strlen((char *)pkt) + 1;
#ifdef CONFIG_TFTP_TSIZE
}
TftpLastBlock = TftpBlock;
- TftpTimeoutMSecs = TIMEOUT;
TftpTimeoutCountMax = TIMEOUT_COUNT;
NetSetTimeout (TftpTimeoutMSecs, TftpTimeout);
{
char *ep; /* Environment pointer */
- /* Allow the user to choose tftpblocksize */
+ /*
+ * Allow the user to choose TFTP blocksize and timeout.
+ * TFTP protocol has a minimal timeout of 1 second.
+ */
if ((ep = getenv("tftpblocksize")) != NULL)
TftpBlkSizeOption = simple_strtol(ep, NULL, 10);
- debug("tftp block size is %i\n", TftpBlkSizeOption);
+
+ if ((ep = getenv("tftptimeout")) != NULL)
+ TftpTimeoutMSecs = simple_strtol(ep, NULL, 10);
+
+ if (TftpTimeoutMSecs < 1000) {
+ printf("TFTP timeout (%ld ms) too low, "
+ "set minimum = 1000 ms\n",
+ TftpTimeoutMSecs);
+ TftpTimeoutMSecs = 1000;
+ }
+
+ debug("TFTP blocksize = %i, timeout = %ld ms\n",
+ TftpBlkSizeOption, TftpTimeoutMSecs);
TftpServerIP = NetServerIP;
if (BootFile[0] == '\0') {
puts ("Loading: *\b");
- TftpTimeoutMSecs = TftpRRQTimeoutMSecs;
TftpTimeoutCountMax = TftpRRQTimeoutCountMax;
NetSetTimeout (TftpTimeoutMSecs, TftpTimeout);
projects / platform / kernel / u-boot.git / commitdiff