/*
* Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.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>
int board_early_init_f(void)
{
uint reg;
- unsigned char *fpga_base = (unsigned char *)CFG_FPGA_BASE;
+ unsigned char *fpga_base = (unsigned char *)CONFIG_SYS_FPGA_BASE;
unsigned char status;
/*--------------------------------------------------------------------
* Setup the external bus controller/chip selects
*-------------------------------------------------------------------*/
- mtdcr(ebccfga, xbcfg);
- reg = mfdcr(ebccfgd);
- mtdcr(ebccfgd, reg | 0x04000000); /* Set ATC */
+ mtdcr(EBC0_CFGADDR, EBC0_CFG);
+ reg = mfdcr(EBC0_CFGDATA);
+ mtdcr(EBC0_CFGDATA, reg | 0x04000000); /* Set ATC */
- mtebc(pb1ap, 0x02815480); /* NVRAM/RTC */
- mtebc(pb1cr, 0x48018000); /* BA=0x480 1MB R/W 8-bit */
- mtebc(pb7ap, 0x01015280); /* FPGA registers */
- mtebc(pb7cr, 0x48318000); /* BA=0x483 1MB R/W 8-bit */
+ mtebc(PB1AP, 0x02815480); /* NVRAM/RTC */
+ mtebc(PB1CR, 0x48018000); /* BA=0x480 1MB R/W 8-bit */
+ mtebc(PB7AP, 0x01015280); /* FPGA registers */
+ mtebc(PB7CR, 0x48318000); /* BA=0x483 1MB R/W 8-bit */
/* read FPGA_REG0 and set the bus controller */
status = *fpga_base;
if ((status & BOOT_SMALL_FLASH) && !(status & FLASH_ONBD_N)) {
- mtebc(pb0ap, 0x9b015480); /* FLASH/SRAM */
- mtebc(pb0cr, 0xfff18000); /* BAS=0xfff 1MB R/W 8-bit */
- mtebc(pb2ap, 0x9b015480); /* 4MB FLASH */
- mtebc(pb2cr, 0xff858000); /* BAS=0xff8 4MB R/W 8-bit */
+ mtebc(PB0AP, 0x9b015480); /* FLASH/SRAM */
+ mtebc(PB0CR, 0xfff18000); /* BAS=0xfff 1MB R/W 8-bit */
+ mtebc(PB2AP, 0x9b015480); /* 4MB FLASH */
+ mtebc(PB2CR, 0xff858000); /* BAS=0xff8 4MB R/W 8-bit */
} else {
- mtebc(pb0ap, 0x9b015480); /* 4MB FLASH */
- mtebc(pb0cr, 0xffc58000); /* BAS=0xffc 4MB R/W 8-bit */
+ mtebc(PB0AP, 0x9b015480); /* 4MB FLASH */
+ mtebc(PB0CR, 0xffc58000); /* BAS=0xffc 4MB R/W 8-bit */
/* set CS2 if FLASH_ONBD_N == 0 */
if (!(status & FLASH_ONBD_N)) {
- mtebc(pb2ap, 0x9b015480); /* FLASH/SRAM */
- mtebc(pb2cr, 0xff818000); /* BAS=0xff8 4MB R/W 8-bit */
+ mtebc(PB2AP, 0x9b015480); /* FLASH/SRAM */
+ mtebc(PB2CR, 0xff818000); /* BAS=0xff8 4MB R/W 8-bit */
}
}
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
*-------------------------------------------------------------------*/
- mtdcr(uic0sr, 0xffffffff); /* clear all */
- mtdcr(uic0er, 0x00000000); /* disable all */
- mtdcr(uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */
- mtdcr(uic0pr, 0xfffffe13); /* per ref-board manual */
- mtdcr(uic0tr, 0x01c00008); /* per ref-board manual */
- mtdcr(uic0vr, 0x00000001); /* int31 highest, base=0x000 */
- mtdcr(uic0sr, 0xffffffff); /* clear all */
-
- mtdcr(uic1sr, 0xffffffff); /* clear all */
- mtdcr(uic1er, 0x00000000); /* disable all */
- mtdcr(uic1cr, 0x00000000); /* all non-critical */
- mtdcr(uic1pr, 0xffffe0ff); /* per ref-board manual */
- mtdcr(uic1tr, 0x00ffc000); /* per ref-board manual */
- mtdcr(uic1vr, 0x00000001); /* int31 highest, base=0x000 */
- mtdcr(uic1sr, 0xffffffff); /* clear all */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+ mtdcr(UIC0ER, 0x00000000); /* disable all */
+ mtdcr(UIC0CR, 0x00000009); /* SMI & UIC1 crit are critical */
+ mtdcr(UIC0PR, 0xfffffe13); /* per ref-board manual */
+ mtdcr(UIC0TR, 0x01c00008); /* per ref-board manual */
+ mtdcr(UIC0VR, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr(UIC0SR, 0xffffffff); /* clear all */
+
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
+ mtdcr(UIC1ER, 0x00000000); /* disable all */
+ mtdcr(UIC1CR, 0x00000000); /* all non-critical */
+ mtdcr(UIC1PR, 0xffffe0ff); /* per ref-board manual */
+ mtdcr(UIC1TR, 0x00ffc000); /* per ref-board manual */
+ mtdcr(UIC1VR, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr(UIC1SR, 0xffffffff); /* clear all */
return 0;
}
int checkboard(void)
{
- char *s = getenv("serial#");
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
printf("Board: Ebony - AMCC PPC440GP Evaluation Board");
- if (s != NULL) {
+ if (i > 0) {
puts(", serial# ");
- puts(s);
+ puts(buf);
}
putc('\n');
return (0);
}
-long int initdram(int board_type)
+phys_size_t initdram(int board_type)
{
long dram_size = 0;
/*--------------------------------------------------------------------
* Setup some default
*------------------------------------------------------------------*/
- mtsdram(mem_uabba, 0x00000000); /* ubba=0 (default) */
- mtsdram(mem_slio, 0x00000000); /* rdre=0 wrre=0 rarw=0 */
- mtsdram(mem_devopt, 0x00000000); /* dll=0 ds=0 (normal) */
- mtsdram(mem_wddctr, 0x00000000); /* wrcp=0 dcd=0 */
- mtsdram(mem_clktr, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */
+ mtsdram(SDRAM0_UABBA, 0x00000000); /* ubba=0 (default) */
+ mtsdram(SDRAM0_SLIO, 0x00000000); /* rdre=0 wrre=0 rarw=0 */
+ mtsdram(SDRAM0_DEVOPT, 0x00000000); /* dll=0 ds=0 (normal) */
+ mtsdram(SDRAM0_WDDCTR, 0x00000000); /* wrcp=0 dcd=0 */
+ mtsdram(SDRAM0_CLKTR, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */
/*--------------------------------------------------------------------
* Setup for board-specific specific mem
/*
* Following for CAS Latency = 2.5 @ 133 MHz PLB
*/
- mtsdram(mem_b0cr, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */
- mtsdram(mem_tr0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */
+ mtsdram(SDRAM0_B0CR, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */
+ mtsdram(SDRAM0_TR0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */
/* RA=10 RD=3 */
- mtsdram(mem_tr1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */
- mtsdram(mem_rtr, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */
- mtsdram(mem_cfg1, 0x00000000); /* Self-refresh exit, disable PM */
+ mtsdram(SDRAM0_TR1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */
+ mtsdram(SDRAM0_RTR, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */
+ mtsdram(SDRAM0_CFG1, 0x00000000); /* Self-refresh exit, disable PM */
udelay(400); /* Delay 200 usecs (min) */
/*--------------------------------------------------------------------
* Enable the controller, then wait for DCEN to complete
*------------------------------------------------------------------*/
- mtsdram(mem_cfg0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */
+ mtsdram(SDRAM0_CFG0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */
for (;;) {
- mfsdram(mem_mcsts, reg);
+ mfsdram(SDRAM0_MCSTS, reg);
if (reg & 0x80000000)
break;
}
return (128 * 1024 * 1024); /* 128 MB */
}
#endif /* !defined(CONFIG_SPD_EEPROM) */
-
-/*************************************************************************
- * 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 ebony board is always configured as the host & requires the
- * PCI arbiter to be enabled.
- *--------------------------------------------------------------------------*/
- strap = mfdcr(cpc0_strp1);
- if ((strap & 0x00100000) == 0) {
- printf("PCI: CPC0_STRP1[PAE] not set.\n");
- 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)
-{
- /* The ebony board is always configured as host. */
- return (1);
-}
-#endif /* defined(CONFIG_PCI) */
projects / karo-tx-uboot.git / blobdiff