X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=README;h=ecc087ad914b20afd6ad63008a780ffe23629ca0;hp=111c1b9fa69df4aa5ac0eae7875496c8f3875919;hb=38b99261c13a54ea955a8fe9176e73256486362f;hpb=5d232d0e7ea982d859d028ab482d95eb68460b19

diff --git a/README b/README
index 111c1b9fa6..ecc087ad91 100644
--- a/README
+++ b/README
@@ -470,6 +470,13 @@ The following options need to be configured:
 		Set to 0 to disable this feature (this is the default).
 		This will also disable hardware handshake.
 
+- Console UART Number:
+		CONFIG_UART1_CONSOLE
+
+		IBM PPC4xx only.
+		If defined internal UART1 (and not UART0) is used
+		as default U-Boot console.
+
 - Boot Delay:	CONFIG_BOOTDELAY - in seconds
 		Delay before automatically booting the default image;
 		set to -1 to disable autoboot.
@@ -1710,13 +1717,13 @@ Low Level (hardware related) configuration options:
 		#define'd default value in commproc.h resp.
 		cpm_8260.h.
 
-- CFG_PCI_SLV_MEM_LOCAL, CFG_PCI_SLV_MEM_BUS, CFG_PICMR0_MASK_ATTRIB, 
-  CFG_PCI_MSTR0_LOCAL, CFG_PCIMSK0_MASK, CFG_PCI_MSTR1_LOCAL, 
-  CFG_PCIMSK1_MASK, CFG_PCI_MSTR_MEM_LOCAL, CFG_PCI_MSTR_MEM_BUS, 
-  CFG_CPU_PCI_MEM_START, CFG_PCI_MSTR_MEM_SIZE, CFG_POCMR0_MASK_ATTRIB, 
-  CFG_PCI_MSTR_MEMIO_LOCAL, CFG_PCI_MSTR_MEMIO_BUS, CPU_PCI_MEMIO_START, 
-  CFG_PCI_MSTR_MEMIO_SIZE, CFG_POCMR1_MASK_ATTRIB, CFG_PCI_MSTR_IO_LOCAL, 
-  CFG_PCI_MSTR_IO_BUS, CFG_CPU_PCI_IO_START, CFG_PCI_MSTR_IO_SIZE, 
+- CFG_PCI_SLV_MEM_LOCAL, CFG_PCI_SLV_MEM_BUS, CFG_PICMR0_MASK_ATTRIB,
+  CFG_PCI_MSTR0_LOCAL, CFG_PCIMSK0_MASK, CFG_PCI_MSTR1_LOCAL,
+  CFG_PCIMSK1_MASK, CFG_PCI_MSTR_MEM_LOCAL, CFG_PCI_MSTR_MEM_BUS,
+  CFG_CPU_PCI_MEM_START, CFG_PCI_MSTR_MEM_SIZE, CFG_POCMR0_MASK_ATTRIB,
+  CFG_PCI_MSTR_MEMIO_LOCAL, CFG_PCI_MSTR_MEMIO_BUS, CPU_PCI_MEMIO_START,
+  CFG_PCI_MSTR_MEMIO_SIZE, CFG_POCMR1_MASK_ATTRIB, CFG_PCI_MSTR_IO_LOCAL,
+  CFG_PCI_MSTR_IO_BUS, CFG_CPU_PCI_IO_START, CFG_PCI_MSTR_IO_SIZE,
   CFG_POCMR2_MASK_ATTRIB: (MPC826x only)
 		Overrides the default PCI memory map in cpu/mpc8260/pci.c if set.
 
@@ -1981,6 +1988,14 @@ Some configuration options can be set using Environment Variables:
 
 		  setenv initrd_high 00c00000
 
+                  If you set initrd_high to 0xFFFFFFFF, this is an
+                  indication to U-Boot that all addresses are legal
+                  for the Linux kernel, including addresses in flash
+                  memory. In this case U-Boot will NOT COPY the
+                  ramdisk at all. This may be useful to reduce the
+                  boot time on your system, but requires that this
+                  feature is supported by your Linux kernel.
+
   ipaddr	- IP address; needed for tftpboot command
 
   loadaddr	- Default load address for commands like "bootp",