* (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
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
extern void board_pll_init_f(void);
-/* Some specific Acadia Defines */
-#define CPLD_BASE 0x80000000
-
-void liveoak_gpio_init(void)
+static void acadia_gpio_init(void)
{
/*
* GPIO0 setup (select GPIO or alternate function)
*/
- out32(GPIO0_OSRL, CFG_GPIO0_OSRL);
- out32(GPIO0_OSRH, CFG_GPIO0_OSRH); /* output select */
- out32(GPIO0_ISR1L, CFG_GPIO0_ISR1L);
- out32(GPIO0_ISR1H, CFG_GPIO0_ISR1H); /* input select */
- out32(GPIO0_TSRL, CFG_GPIO0_TSRL);
- out32(GPIO0_TSRH, CFG_GPIO0_TSRH); /* three-state select */
- out32(GPIO0_TCR, CFG_GPIO0_TCR); /* enable output driver for outputs */
+ out32(GPIO0_OSRL, CONFIG_SYS_GPIO0_OSRL);
+ out32(GPIO0_OSRH, CONFIG_SYS_GPIO0_OSRH); /* output select */
+ out32(GPIO0_ISR1L, CONFIG_SYS_GPIO0_ISR1L);
+ out32(GPIO0_ISR1H, CONFIG_SYS_GPIO0_ISR1H); /* input select */
+ out32(GPIO0_TSRL, CONFIG_SYS_GPIO0_TSRL);
+ out32(GPIO0_TSRH, CONFIG_SYS_GPIO0_TSRH); /* three-state select */
+ out32(GPIO0_TCR, CONFIG_SYS_GPIO0_TCR); /* enable output driver for outputs */
/*
* Ultra (405EZ) was nice enough to add another GPIO controller
*/
- out32(GPIO1_OSRH, CFG_GPIO1_OSRH); /* output select */
- out32(GPIO1_OSRL, CFG_GPIO1_OSRL);
- out32(GPIO1_ISR1H, CFG_GPIO1_ISR1H); /* input select */
- out32(GPIO1_ISR1L, CFG_GPIO1_ISR1L);
- out32(GPIO1_TSRH, CFG_GPIO1_TSRH); /* three-state select */
- out32(GPIO1_TSRL, CFG_GPIO1_TSRL);
- out32(GPIO1_TCR, CFG_GPIO1_TCR); /* enable output driver for outputs */
-}
-
-#if 0 /* test-only: not called at all??? */
-void ext_bus_cntlr_init(void)
-{
-#if (defined(EBC_PB4AP) && defined(EBC_PB4CR) && !(CFG_INIT_DCACHE_CS == 4))
- mtebc(pb4ap, EBC_PB4AP);
- mtebc(pb4cr, EBC_PB4CR);
-#endif
+ out32(GPIO1_OSRH, CONFIG_SYS_GPIO1_OSRH); /* output select */
+ out32(GPIO1_OSRL, CONFIG_SYS_GPIO1_OSRL);
+ out32(GPIO1_ISR1H, CONFIG_SYS_GPIO1_ISR1H); /* input select */
+ out32(GPIO1_ISR1L, CONFIG_SYS_GPIO1_ISR1L);
+ out32(GPIO1_TSRH, CONFIG_SYS_GPIO1_TSRH); /* three-state select */
+ out32(GPIO1_TSRL, CONFIG_SYS_GPIO1_TSRL);
+ out32(GPIO1_TCR, CONFIG_SYS_GPIO1_TCR); /* enable output driver for outputs */
}
-#endif
int board_early_init_f(void)
{
unsigned int reg;
-#if 0 /* test-only */
- /*
- * If CRAM memory and SPI/NAND boot, and if the CRAM memory is
- * already initialized by the pre-loader then we can't reinitialize
- * CPR registers, GPIO registers and EBC registers as this will
- * have the effect of un-initializing CRAM.
- */
- spr_reg = (volatile unsigned long) mfspr(SPRG7);
- if (spr_reg != LOAK_CRAM) { /* != CRAM */
+ /* don't reinit PLL when booting via I2C bootstrap option */
+ mfsdr(SDR0_PINSTP, reg);
+ if (reg != 0xf0000000)
board_pll_init_f();
- liveoak_gpio_init();
- ext_bus_cntlr_init();
- mtebc(pb1ap, CFG_EBC_PB1AP);
- mtebc(pb1cr, CFG_EBC_PB1CR);
-
- mtebc(pb2ap, CFG_EBC_PB2AP);
- mtebc(pb2cr, CFG_EBC_PB2CR);
- }
-#else
- board_pll_init_f();
- liveoak_gpio_init();
-/* ext_bus_cntlr_init(); */
-#endif
+ acadia_gpio_init();
-#if 0 /* test-only (orig) */
- /*
- * If we boot from NAND Flash, we are running in
- * RAM, so disable the EBC_CS0 so that it goes back
- * to the NOR Flash. It will be enabled later
- * for the NAND Flash on EBC_CS1
- */
- mfsdr(sdrultra0, reg);
- mtsdr(sdrultra0, reg & ~SDR_ULTRA0_CSNSEL0);
-#endif
-#if 0 /* test-only */
- /* configure for NAND */
- mfsdr(sdrultra0, reg);
+ /* Configure 405EZ for NAND usage */
+ mtsdr(SDR0_NAND0, SDR_NAND0_NDEN | SDR_NAND0_NDAREN | SDR_NAND0_NDRBEN);
+ mfsdr(SDR0_ULTRA0, reg);
reg &= ~SDR_ULTRA0_CSN_MASK;
- reg |= SDR_ULTRA0_CSNSEL0 >> CFG_NAND_CS;
- mtsdr(sdrultra0, reg & ~SDR_ULTRA0_CSNSEL0);
-#endif
+ reg |= (SDR_ULTRA0_CSNSEL0 >> CONFIG_SYS_NAND_CS) |
+ SDR_ULTRA0_NDGPIOBP |
+ SDR_ULTRA0_EBCRDYEN |
+ SDR_ULTRA0_NFSRSTEN;
+ mtsdr(SDR0_ULTRA0, reg);
/* USB Host core needs this bit set */
- mfsdr(sdrultra1, reg);
- mtsdr(sdrultra1, reg | SDR_ULTRA1_LEDNENABLE);
+ mfsdr(SDR0_ULTRA1, reg);
+ mtsdr(SDR0_ULTRA1, reg | SDR_ULTRA1_LEDNENABLE);
- mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
- mtdcr(uicer, 0x00000000); /* disable all ints */
- mtdcr(uiccr, 0x00000010);
- mtdcr(uicpr, 0xFE7FFFF0); /* set int polarities */
- mtdcr(uictr, 0x00000010); /* set int trigger levels */
- mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
+ mtdcr(UIC0ER, 0x00000000); /* disable all ints */
+ mtdcr(UIC0CR, 0x00000010);
+ mtdcr(UIC0PR, 0xFE7FFFF0); /* set int polarities */
+ mtdcr(UIC0TR, 0x00000010); /* set int trigger levels */
+ mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */
return 0;
}
int misc_init_f(void)
{
/* Set EPLD to take PHY out of reset */
- out8(CPLD_BASE + 0x05, 0x00);
+ out8(CONFIG_SYS_CPLD_BASE + 0x05, 0x00);
udelay(100000);
return 0;
*/
int checkboard(void)
{
- char *s = getenv("serial#");
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
+ u8 rev;
+
+ rev = in8(CONFIG_SYS_CPLD_BASE + 0);
+ printf("Board: Acadia - AMCC PPC405EZ Evaluation Board, Rev. %X", rev);
- printf("Board: Acadia - AMCC PPC405EZ Evaluation Board");
- if (s != NULL) {
+ if (i > 0) {
puts(", serial# ");
- puts(s);
+ puts(buf);
}
putc('\n');
projects / platform / kernel / u-boot.git / blobdiff