* (C) Copyright 2005
* John Otken, jotken@softadvances.com
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
-#include <ppc4xx.h>
+#include <asm/ppc4xx.h>
#include <asm/processor.h>
#include <asm/ppc4xx-isram.h>
#include <spd_sdram.h>
{
u32 mfr;
- mtebc( pb0ap, 0x03800000 ); /* set chip selects */
- mtebc( pb0cr, 0xffc58000 ); /* ebc0_b0cr, 4MB at 0xffc00000 CS0 */
- mtebc( pb1ap, 0x03800000 );
- mtebc( pb1cr, 0xff018000 ); /* ebc0_b1cr, 1MB at 0xff000000 CS1 */
- mtebc( pb2ap, 0x03800000 );
- mtebc( pb2cr, 0xff838000 ); /* ebc0_b2cr, 2MB at 0xff800000 CS2 */
-
- mtdcr( uic1sr, 0xffffffff ); /* Clear all interrupts */
- mtdcr( uic1er, 0x00000000 ); /* disable all interrupts */
- mtdcr( uic1cr, 0x00000000 ); /* Set Critical / Non Critical interrupts */
- mtdcr( uic1pr, 0x7fff83ff ); /* Set Interrupt Polarities */
- mtdcr( uic1tr, 0x001f8000 ); /* Set Interrupt Trigger Levels */
- mtdcr( uic1vr, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */
- mtdcr( uic1sr, 0x00000000 ); /* clear all interrupts */
- mtdcr( uic1sr, 0xffffffff );
-
- mtdcr( uic0sr, 0xffffffff ); /* Clear all interrupts */
- mtdcr( uic0er, 0x00000000 ); /* disable all interrupts excepted cascade */
- mtdcr( uic0cr, 0x00000001 ); /* Set Critical / Non Critical interrupts */
- mtdcr( uic0pr, 0xffffffff ); /* Set Interrupt Polarities */
- mtdcr( uic0tr, 0x01000004 ); /* Set Interrupt Trigger Levels */
- mtdcr( uic0vr, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */
- mtdcr( uic0sr, 0x00000000 ); /* clear all interrupts */
- mtdcr( uic0sr, 0xffffffff );
-
- mfsdr(sdr_mfr, mfr);
+ mtebc( PB0AP, 0x03800000 ); /* set chip selects */
+ mtebc( PB0CR, 0xffc58000 ); /* ebc0_b0cr, 4MB at 0xffc00000 CS0 */
+ mtebc( PB1AP, 0x03800000 );
+ mtebc( PB1CR, 0xff018000 ); /* ebc0_b1cr, 1MB at 0xff000000 CS1 */
+ mtebc( PB2AP, 0x03800000 );
+ mtebc( PB2CR, 0xff838000 ); /* ebc0_b2cr, 2MB at 0xff800000 CS2 */
+
+ mtdcr( UIC1SR, 0xffffffff ); /* Clear all interrupts */
+ mtdcr( UIC1ER, 0x00000000 ); /* disable all interrupts */
+ mtdcr( UIC1CR, 0x00000000 ); /* Set Critical / Non Critical interrupts */
+ mtdcr( UIC1PR, 0x7fff83ff ); /* Set Interrupt Polarities */
+ mtdcr( UIC1TR, 0x001f8000 ); /* Set Interrupt Trigger Levels */
+ mtdcr( UIC1VR, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */
+ mtdcr( UIC1SR, 0x00000000 ); /* clear all interrupts */
+ mtdcr( UIC1SR, 0xffffffff );
+
+ mtdcr( UIC0SR, 0xffffffff ); /* Clear all interrupts */
+ mtdcr( UIC0ER, 0x00000000 ); /* disable all interrupts excepted cascade */
+ mtdcr( UIC0CR, 0x00000001 ); /* Set Critical / Non Critical interrupts */
+ mtdcr( UIC0PR, 0xffffffff ); /* Set Interrupt Polarities */
+ mtdcr( UIC0TR, 0x01000004 ); /* Set Interrupt Trigger Levels */
+ mtdcr( UIC0VR, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */
+ mtdcr( UIC0SR, 0x00000000 ); /* clear all interrupts */
+ mtdcr( UIC0SR, 0xffffffff );
+
+ mfsdr(SDR0_MFR, mfr);
mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */
- mtsdr(sdr_mfr, mfr);
+ mtsdr(SDR0_MFR, mfr);
return 0;
}
************************************************************************/
int checkboard(void)
{
- char *s = getenv("serial#");
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
printf("Board: Luan - AMCC PPC440SP Evaluation Board");
- if (s != NULL) {
+ if (i > 0) {
puts(", serial# ");
- puts(s);
+ puts(buf);
}
putc('\n');
}
/*
- * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
+ * Override the default functions in arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c with
* board specific values.
*/
u32 ddr_clktr(u32 default_val) {
}
/*************************************************************************
- * pci_pre_init
- *
- * This routine is called just prior to registering the hose and gives
- * the board the opportunity to check things. Returning a value of zero
- * indicates that things are bad & PCI initialization should be aborted.
- *
- * Different boards may wish to customize the pci controller structure
- * (add regions, override default access routines, etc) or perform
- * certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init( struct pci_controller *hose )
-{
- unsigned long strap;
-
- /*--------------------------------------------------------------------------+
- * The luan board is always configured as the host & requires the
- * PCI arbiter to be enabled.
- *--------------------------------------------------------------------------*/
- mfsdr(sdr_sdstp1, strap);
- if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ) {
- printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
-
- return 0;
- }
-
- return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-
-/*************************************************************************
- * pci_target_init
- *
- * The bootstrap configuration provides default settings for the pci
- * inbound map (PIM). But the bootstrap config choices are limited and
- * may not be sufficient for a given board.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
-void pci_target_init(struct pci_controller *hose)
-{
- /*--------------------------------------------------------------------------+
- * Disable everything
- *--------------------------------------------------------------------------*/
- out32r( PCIX0_PIM0SA, 0 ); /* disable */
- out32r( PCIX0_PIM1SA, 0 ); /* disable */
- out32r( PCIX0_PIM2SA, 0 ); /* disable */
- out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */
-
- /*--------------------------------------------------------------------------+
- * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping
- * options to not support sizes such as 128/256 MB.
- *--------------------------------------------------------------------------*/
- out32r( PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE );
- out32r( PCIX0_PIM0LAH, 0 );
- out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 );
-
- out32r( PCIX0_BAR0, 0 );
-
- /*--------------------------------------------------------------------------+
- * Program the board's subsystem id/vendor id
- *--------------------------------------------------------------------------*/
- out16r( PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID );
- out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID );
-
- out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY );
-}
-#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
-
-
-/*************************************************************************
- * is_pci_host
- *
- * This routine is called to determine if a pci scan should be
- * performed. With various hardware environments (especially cPCI and
- * PPMC) it's insufficient to depend on the state of the arbiter enable
- * bit in the strap register, or generic host/adapter assumptions.
- *
- * Rather than hard-code a bad assumption in the general 440 code, the
- * 440 pci code requires the board to decide at runtime.
- *
- * Return 0 for adapter mode, non-zero for host (monarch) mode.
- *
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int is_pci_host(struct pci_controller *hose)
-{
- return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-
-/*************************************************************************
* hw_watchdog_reset
*
* This routine is called to reset (keep alive) the watchdog timer
mtdcr( L2_CACHE_CMD, 0x80000000 ); /* issue HCLEAR command via L2_CMD */
- while (!(mfdcr( L2_CACHE_STAT ) & 0x80000000 )) ;; /* poll L2_SR for completion */
+ while (!(mfdcr( L2_CACHE_STAT ) & 0x80000000 )) ; /* poll L2_SR for completion */
mtdcr( L2_CACHE_CMD, 0x10000000 ); /* clear cache errors L2_CMD[CCP] */
* int do_l2cache()
*
************************************************************************/
-int do_l2cache( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] )
+int do_l2cache( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] )
{
switch (argc) {
case 2: /* on / off */
l2cache_status() ? "ON" : "OFF");
return 0;
default:
- cmd_usage(cmdtp);
- return 1;
+ return cmd_usage(cmdtp);
}
return 0;
l2cache, 2, 1, do_l2cache,
"enable or disable L2 cache",
"[on, off]\n"
- " - enable or disable L2 cache\n"
- );
+ " - enable or disable L2 cache"
+);
projects / platform / kernel / u-boot.git / blobdiff