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/*
* Copyright (C) 2004 PaulReynolds@lhsolutions.com
*
* (C) Copyright 2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* 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
*/
#include <common.h>
#include <asm/processor.h>
#include <spd_sdram.h>
#include <ppc4xx_enet.h>
#include <netdev.h>
#ifdef CONFIG_SYS_INIT_SHOW_RESET_REG
void show_reset_reg(void);
#endif
DECLARE_GLOBAL_DATA_PTR;
int lcd_init(void);
int board_early_init_f (void)
{
unsigned long reg;
volatile unsigned int *GpioOdr;
volatile unsigned int *GpioTcr;
volatile unsigned int *GpioOr;
/*-------------------------------------------------------------------------+
| Initialize EBC CONFIG
+-------------------------------------------------------------------------*/
mtebc(EBC0_CFG, EBC_CFG_LE_UNLOCK |
EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK |
EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_DEFAULT |
EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);
/*-------------------------------------------------------------------------+
| 64MB FLASH. Initialize bank 0 with default values.
+-------------------------------------------------------------------------*/
mtebc(PB0AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(15) |
EBC_BXAP_BCE_DISABLE |
EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1) |
EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1) |
EBC_BXAP_TH_ENCODE(3) | EBC_BXAP_RE_DISABLED |
EBC_BXAP_BEM_WRITEONLY |
EBC_BXAP_PEN_DISABLED);
mtebc(PB0CR, EBC_BXCR_BAS_ENCODE(CONFIG_SYS_FLASH_BASE) |
EBC_BXCR_BS_64MB | EBC_BXCR_BU_RW|EBC_BXCR_BW_32BIT);
/*-------------------------------------------------------------------------+
| FPGA. Initialize bank 1 with default values.
+-------------------------------------------------------------------------*/
mtebc(PB1AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(5) |
EBC_BXAP_BCE_DISABLE |
EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1) |
EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1) |
EBC_BXAP_TH_ENCODE(3) | EBC_BXAP_RE_DISABLED |
EBC_BXAP_BEM_WRITEONLY |
EBC_BXAP_PEN_DISABLED);
mtebc(PB1CR, EBC_BXCR_BAS_ENCODE(0x41000000) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
/*-------------------------------------------------------------------------+
| LCM. Initialize bank 2 with default values.
+-------------------------------------------------------------------------*/
mtebc(PB2AP, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(64) |
EBC_BXAP_BCE_DISABLE |
EBC_BXAP_CSN_ENCODE(3) | EBC_BXAP_OEN_ENCODE(3) |
EBC_BXAP_WBN_ENCODE(3) | EBC_BXAP_WBF_ENCODE(3) |
EBC_BXAP_TH_ENCODE(7) | EBC_BXAP_RE_DISABLED |
EBC_BXAP_BEM_WRITEONLY |
EBC_BXAP_PEN_DISABLED);
mtebc(PB2CR, EBC_BXCR_BAS_ENCODE(0x42000000) |
EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
/*-------------------------------------------------------------------------+
| TMP. Initialize bank 3 with default values.
+-------------------------------------------------------------------------*/
mtebc(PB3AP, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(128) |
EBC_BXAP_BCE_DISABLE |
EBC_BXAP_CSN_ENCODE(3) | EBC_BXAP_OEN_ENCODE(3) |
EBC_BXAP_WBN_ENCODE(3) | EBC_BXAP_WBF_ENCODE(3) |
EBC_BXAP_TH_ENCODE(7) | EBC_BXAP_RE_DISABLED |
EBC_BXAP_BEM_WRITEONLY |
EBC_BXAP_PEN_DISABLED);
mtebc(PB3CR, EBC_BXCR_BAS_ENCODE(0x48000000) |
EBC_BXCR_BS_64MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
/*-------------------------------------------------------------------------+
| Connector 4~7. Initialize bank 3~ 7 with default values.
+-------------------------------------------------------------------------*/
mtebc(PB4AP,0);
mtebc(PB4CR,0);
mtebc(PB5AP,0);
mtebc(PB5CR,0);
mtebc(PB6AP,0);
mtebc(PB6CR,0);
mtebc(PB7AP,0);
mtebc(PB7CR,0);
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
*-------------------------------------------------------------------*/
/*
* Because of the interrupt handling rework to handle 440GX interrupts
* with the common code, we needed to change names of the UIC registers.
* Here the new relationship:
*
* U-Boot name 440GX name
* -----------------------
* UIC0 UICB0
* UIC1 UIC0
* UIC2 UIC1
* UIC3 UIC2
*/
mtdcr (UIC1SR, 0xffffffff); /* clear all */
mtdcr (UIC1ER, 0x00000000); /* disable all */
mtdcr (UIC1CR, 0x00000009); /* SMI & UIC1 crit are critical */
mtdcr (UIC1PR, 0xfffffe13); /* per ref-board manual */
mtdcr (UIC1TR, 0x01c00008); /* per ref-board manual */
mtdcr (UIC1VR, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (UIC1SR, 0xffffffff); /* clear all */
mtdcr (UIC2SR, 0xffffffff); /* clear all */
mtdcr (UIC2ER, 0x00000000); /* disable all */
mtdcr (UIC2CR, 0x00000000); /* all non-critical */
mtdcr (UIC2PR, 0xffffe0ff); /* per ref-board manual */
mtdcr (UIC2TR, 0x00ffc000); /* per ref-board manual */
mtdcr (UIC2VR, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (UIC2SR, 0xffffffff); /* clear all */
mtdcr (UIC3SR, 0xffffffff); /* clear all */
mtdcr (UIC3ER, 0x00000000); /* disable all */
mtdcr (UIC3CR, 0x00000000); /* all non-critical */
mtdcr (UIC3PR, 0xffffffff); /* per ref-board manual */
mtdcr (UIC3TR, 0x00ff8c0f); /* per ref-board manual */
mtdcr (UIC3VR, 0x00000001); /* int31 highest, base=0x000 */
mtdcr (UIC3SR, 0xffffffff); /* clear all */
mtdcr (UIC0SR, 0xfc000000); /* clear all */
mtdcr (UIC0ER, 0x00000000); /* disable all */
mtdcr (UIC0CR, 0x00000000); /* all non-critical */
mtdcr (UIC0PR, 0xfc000000); /* */
mtdcr (UIC0TR, 0x00000000); /* */
mtdcr (UIC0VR, 0x00000001); /* */
/* Enable two GPIO 10~11 and TraceA signal */
mfsdr(SDR0_PFC0,reg);
reg |= 0x00300000;
mtsdr(SDR0_PFC0,reg);
mfsdr(SDR0_PFC1,reg);
reg |= 0x00100000;
mtsdr(SDR0_PFC1,reg);
/* Set GPIO 10 and 11 as output */
GpioOdr = (volatile unsigned int*)(CONFIG_SYS_PERIPHERAL_BASE+0x718);
GpioTcr = (volatile unsigned int*)(CONFIG_SYS_PERIPHERAL_BASE+0x704);
GpioOr = (volatile unsigned int*)(CONFIG_SYS_PERIPHERAL_BASE+0x700);
*GpioOdr &= ~(0x00300000);
*GpioTcr |= 0x00300000;
*GpioOr |= 0x00300000;
return 0;
}
int misc_init_r(void)
{
lcd_init();
return 0;
}
int checkboard (void)
{
char *s = getenv ("serial#");
printf ("Board: Taishan - AMCC PPC440GX Evaluation Board");
if (s != NULL) {
puts (", serial# ");
puts (s);
}
putc ('\n');
#ifdef CONFIG_SYS_INIT_SHOW_RESET_REG
show_reset_reg();
#endif
return (0);
}
/*************************************************************************
* 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 ocotea board is always configured as the host & requires the
* PCI arbiter to be enabled.
*--------------------------------------------------------------------------*/
mfsdr(SDR0_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) */
#ifdef CONFIG_POST
/*
* Returns 1 if keys pressed to start the power-on long-running tests
* Called from board_init_f().
*/
int post_hotkeys_pressed(void)
{
return (ctrlc());
}
#endif
int board_eth_init(bd_t *bis)
{
cpu_eth_init(bis);
return pci_eth_init(bis);
}
|
