#include <command.h>
#include <ppc4xx.h>
#include <asm/processor.h>
+#include <asm/ppc4xx-isram.h>
#include <spd_sdram.h>
#include "epld.h"
DECLARE_GLOBAL_DATA_PTR;
-extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
/*************************************************************************
************************************************************************/
int board_early_init_f(void)
{
- 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 );
+ 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(SDR0_MFR, mfr);
+ mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */
+ mtsdr(SDR0_MFR, mfr);
return 0;
}
************************************************************************/
int misc_init_r(void)
{
- volatile epld_t *x = (epld_t *) CFG_EPLD_BASE;
+ volatile epld_t *x = (epld_t *) CONFIG_SYS_EPLD_BASE;
/* set modes of operation */
x->ethuart |= EPLD2_ETH_MODE_10 | EPLD2_ETH_MODE_100 |
return (SDRAM_CLKTR_CLKP_180_DEG_ADV);
}
-/*************************************************************************
- * int testdram()
- *
- ************************************************************************/
-#if defined(CFG_DRAM_TEST)
-int testdram(void)
-{
- unsigned long *mem = (unsigned long *) 0;
- const unsigned long kend = (1024 / sizeof(unsigned long));
- unsigned long k, n;
-
- mtmsr(0);
-
- for (k = 0; k < CFG_KBYTES_SDRAM;
- ++k, mem += (1024 / sizeof(unsigned long))) {
- if ((k & 1023) == 0) {
- printf("%3d MB\r", k / 1024);
- }
-
- memset(mem, 0xaaaaaaaa, 1024);
- for (n = 0; n < kend; ++n) {
- if (mem[n] != 0xaaaaaaaa) {
- printf("SDRAM test fails at: %08x\n",
- (uint) & mem[n]);
- return 1;
- }
- }
-
- memset(mem, 0x55555555, 1024);
- for (n = 0; n < kend; ++n) {
- if (mem[n] != 0x55555555) {
- printf("SDRAM test fails at: %08x\n",
- (uint) & mem[n]);
- return 1;
- }
- }
- }
- printf("SDRAM test passes\n");
-
- return 0;
-}
-#endif
-
-
-/*************************************************************************
- * 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(CFG_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, CFG_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, CFG_PCI_SUBSYS_VENDORID );
- out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID );
-
- out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY );
-}
-#endif /* defined(CONFIG_PCI) && defined(CFG_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
*
************************************************************************/
static void l2cache_disable(void)
{
- mtdcr( l2_cache_cfg, 0 );
+ mtdcr( L2_CACHE_CFG, 0 );
}
************************************************************************/
static void l2cache_enable(void) /* see p258 7.4.1 Enabling L2 Cache */
{
- mtdcr( l2_cache_cfg, 0x80000000 ); /* enable L2_MODE L2_CFG[L2M] */
+ mtdcr( L2_CACHE_CFG, 0x80000000 ); /* enable L2_MODE L2_CFG[L2M] */
- mtdcr( l2_cache_addr, 0 ); /* set L2_ADDR with all zeros */
+ mtdcr( L2_CACHE_ADDR, 0 ); /* set L2_ADDR with all zeros */
- mtdcr( l2_cache_cmd, 0x80000000 ); /* issue HCLEAR command via L2_CMD */
+ 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] */
+ mtdcr( L2_CACHE_CMD, 0x10000000 ); /* clear cache errors L2_CMD[CCP] */
- mtdcr( l2_cache_cmd, 0x08000000 ); /* clear tag errors L2_CMD[CTE] */
+ mtdcr( L2_CACHE_CMD, 0x08000000 ); /* clear tag errors L2_CMD[CTE] */
- mtdcr( l2_cache_snp0, 0 ); /* snoop registers */
- mtdcr( l2_cache_snp1, 0 );
+ mtdcr( L2_CACHE_SNP0, 0 ); /* snoop registers */
+ mtdcr( L2_CACHE_SNP1, 0 );
__asm__ volatile ("sync"); /* msync */
- mtdcr( l2_cache_cfg, 0xe0000000 ); /* inst and data use L2 */
+ mtdcr( L2_CACHE_CFG, 0xe0000000 ); /* inst and data use L2 */
__asm__ volatile ("sync");
}
************************************************************************/
static int l2cache_status(void)
{
- return (mfdcr( l2_cache_cfg ) & 0x60000000) != 0;
+ return (mfdcr( L2_CACHE_CFG ) & 0x60000000) != 0;
}
l2cache_status() ? "ON" : "OFF");
return 0;
default:
- printf ("Usage:\n%s\n", cmdtp->usage);
+ cmd_usage(cmdtp);
return 1;
}
U_BOOT_CMD(
l2cache, 2, 1, do_l2cache,
- "l2cache - enable or disable L2 cache\n",
+ "enable or disable L2 cache",
"[on, off]\n"
- " - enable or disable L2 cache\n"
- );
+ " - enable or disable L2 cache"
+);