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changeset 1075:4d2ad80d01ca

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Update SDRAM drive for more reliable operation.
author gthomas
date Tue, 24 Jun 2003 11:59:51 +0000
parents cd0eb188ea7d
children ff838098079a
files packages/hal/powerpc/csb281/current/ChangeLog packages/hal/powerpc/csb281/current/src/csb281.S
diffstat 2 files changed, 6 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/packages/hal/powerpc/csb281/current/ChangeLog
+++ b/packages/hal/powerpc/csb281/current/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-23  Gary Thomas  <gary@mlbassoc.com>
+
+	* src/csb281.S (HW_init): Initialize SDRAM drivers to 40 Ohm (less
+	current/noise, more reliable).
+
 2003-03-18  Gary Thomas  <gary@mlbassoc.com>
 
 	* src/hal_aux.c (_csb281_pci_init): Display PCI bus - disabled.
--- a/packages/hal/powerpc/csb281/current/src/csb281.S
+++ b/packages/hal/powerpc/csb281/current/src/csb281.S
@@ -105,6 +105,7 @@ HW_init:
         .long   0x80000078, _CSB281_EUMBBAR  // EUMBBAR - machine registers
         .long   0x800000A8, 0xFF141110  // PICR1 - RCS0 local, Big Endian, DEC/TB
         .long   0x800000AC, 0x08000000  // PICR2
+        .long   0x80000070, 0x0000001A  // ODCR  - SDRAM driver control
         .long   0
 10:     nop
         mflr    r3              // Pointer to initialization table