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-rw-r--r--board/exbitgen/exbitgen.c126
1 files changed, 0 insertions, 126 deletions
diff --git a/board/exbitgen/exbitgen.c b/board/exbitgen/exbitgen.c
deleted file mode 100644
index 50d9748..0000000
--- a/board/exbitgen/exbitgen.c
+++ /dev/null
@@ -1,126 +0,0 @@
-#include <common.h>
-#include <asm/u-boot.h>
-#include <asm/processor.h>
-#include "exbitgen.h"
-
-void sdram_init(void);
-
-/* ************************************************************************ */
-int board_early_init_f (void)
-/* ------------------------------------------------------------------------ --
- * Purpose :
- * Remarks :
- * Restrictions:
- * See also :
- * Example :
- * ************************************************************************ */
-{
- unsigned long i;
-
- /*-------------------------------------------------------------------------+
- | Interrupt controller setup for the Walnut board.
- | Note: IRQ 0-15 405GP internally generated; active high; level sensitive
- | IRQ 16 405GP internally generated; active low; level sensitive
- | IRQ 17-24 RESERVED
- | IRQ 25 (EXT IRQ 0) FPGA; active high; level sensitive
- | IRQ 26 (EXT IRQ 1) SMI; active high; level sensitive
- | IRQ 27 (EXT IRQ 2) Not Used
- | IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive
- | IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
- | IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive
- | IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive
- | Note for Walnut board:
- | An interrupt taken for the FPGA (IRQ 25) indicates that either
- | the Mouse, Keyboard, IRDA, or External Expansion caused the
- | interrupt. The FPGA must be read to determine which device
- | caused the interrupt. The default setting of the FPGA clears
- |
- +-------------------------------------------------------------------------*/
-
- mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
- mtdcr (UIC0ER, 0x00000000); /* disable all ints */
- mtdcr (UIC0CR, 0x00000020); /* set all but FPGA SMI to be non-critical */
- mtdcr (UIC0PR, 0xFFFFFF90); /* set int polarities */
- mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */
- mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
- mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
-
- /* Perform reset of PHY connected to PPC via register in CPLD */
- out8 (PHY_CTRL_ADDR, 0x2e); /* activate nRESET,FDX,F100,ANEN, enable output */
- for (i = 0; i < 10000000; i++) {
- ;
- }
- out8 (PHY_CTRL_ADDR, 0x2f); /* deactivate nRESET */
-
- return 0;
-}
-
-
-/* ************************************************************************ */
-int checkboard (void)
-/* ------------------------------------------------------------------------ --
- * Purpose :
- * Remarks :
- * Restrictions:
- * See also :
- * Example :
- * ************************************************************************ */
-{
- printf ("Exbit H/W id: %d\n", in8 (HW_ID_ADDR));
- return (0);
-}
-
-/* ************************************************************************ */
-phys_size_t initdram (int board_type)
-/* ------------------------------------------------------------------------ --
- * Purpose : Determines size of mounted DRAM.
- * Remarks : Size is determined by reading SDRAM configuration registers as
- * set up by sdram_init.
- * Restrictions:
- * See also :
- * Example :
- * ************************************************************************ */
-{
- ulong tot_size;
- ulong bank_size;
- ulong tmp;
-
- /*
- * ToDo: Move the asm init routine sdram_init() to this C file,
- * or even better use some common ppc4xx code available
- * in cpu/ppc4xx
- */
- sdram_init();
-
- tot_size = 0;
-
- mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR);
- tmp = mfdcr (SDRAM0_CFGDATA);
- if (tmp & 0x00000001) {
- bank_size = 0x00400000 << ((tmp >> 17) & 0x7);
- tot_size += bank_size;
- }
-
- mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR);
- tmp = mfdcr (SDRAM0_CFGDATA);
- if (tmp & 0x00000001) {
- bank_size = 0x00400000 << ((tmp >> 17) & 0x7);
- tot_size += bank_size;
- }
-
- mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR);
- tmp = mfdcr (SDRAM0_CFGDATA);
- if (tmp & 0x00000001) {
- bank_size = 0x00400000 << ((tmp >> 17) & 0x7);
- tot_size += bank_size;
- }
-
- mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR);
- tmp = mfdcr (SDRAM0_CFGDATA);
- if (tmp & 0x00000001) {
- bank_size = 0x00400000 << ((tmp >> 17) & 0x7);
- tot_size += bank_size;
- }
-
- return tot_size;
-}