* (C) Copyright 2005
* Heiko Schocher, DENX Software Engineering, <hs@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>
/* PA27 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RXDV */
/* PA26 */ { 1, 1, 1, 0, 0, 0 }, /* FCC1 RXER */
/* PA25 */ { 0, 0, 0, 0, 1, 0 }, /* 8247_P0 */
-#if defined(CONFIG_SOFT_I2C)
+#if defined(CONFIG_SYS_I2C_SOFT)
/* PA24 */ { 1, 0, 0, 0, 1, 1 }, /* I2C_SDA2 */
/* PA23 */ { 1, 0, 0, 1, 1, 1 }, /* I2C_SCL2 */
#else /* normal I/O port pins */
* accessing the SDRAM with a single-byte transaction."
*
* The appropriate BRx/ORx registers have already been set when we
- * get here. The SDRAM can be accessed at the address CFG_SDRAM_BASE.
+ * get here. The SDRAM can be accessed at the address CONFIG_SYS_SDRAM_BASE.
*/
*sdmr_ptr = sdmr | PSDMR_OP_PREA;
*base = c;
*sdmr_ptr = sdmr | PSDMR_OP_MRW;
- *(base + CFG_MRS_OFFS) = c; /* setting MR on address lines */
+ *(base + CONFIG_SYS_MRS_OFFS) = c; /* setting MR on address lines */
*sdmr_ptr = sdmr | PSDMR_OP_NORM | PSDMR_RFEN;
*base = c;
return (size);
}
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
{
- volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
volatile memctl8260_t *memctl = &immap->im_memctl;
- long psize, lsize;
+ long psize;
psize = 16 * 1024 * 1024;
- lsize = 0;
- memctl->memc_psrt = CFG_PSRT;
- memctl->memc_mptpr = CFG_MPTPR;
+ memctl->memc_psrt = CONFIG_SYS_PSRT;
+ memctl->memc_mptpr = CONFIG_SYS_MPTPR;
-#ifndef CFG_RAMBOOT
+#ifndef CONFIG_SYS_RAMBOOT
/* 60x SDRAM setup:
*/
- psize = try_init (memctl, CFG_PSDMR, CFG_OR2,
- (uchar *) CFG_SDRAM_BASE);
-#endif /* CFG_RAMBOOT */
+ psize = try_init (memctl, CONFIG_SYS_PSDMR, CONFIG_SYS_OR2,
+ (uchar *) CONFIG_SYS_SDRAM_BASE);
+#endif /* CONFIG_SYS_RAMBOOT */
icache_enable ();
int misc_init_r (void)
{
gd->bd->bi_flashstart = 0xff800000;
+ return 0;
}
#if defined(CONFIG_CMD_NAND)
-extern ulong
-nand_probe (ulong physadr);
+#include <nand.h>
+#include <linux/mtd/mtd.h>
+#include <asm/io.h>
-void
-nand_init (void)
-{
- ulong totlen = 0;
+static u8 hwctl;
- debug ("Probing at 0x%.8x\n", CFG_NAND0_BASE);
- totlen += nand_probe (CFG_NAND0_BASE);
+static void ids_nand_hwctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ struct nand_chip *this = mtd->priv;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ if ( ctrl & NAND_CLE ) {
+ hwctl |= 0x1;
+ writeb(0x00, (this->IO_ADDR_W + 0x0a));
+ } else {
+ hwctl &= ~0x1;
+ writeb(0x00, (this->IO_ADDR_W + 0x08));
+ }
+ if ( ctrl & NAND_ALE ) {
+ hwctl |= 0x2;
+ writeb(0x00, (this->IO_ADDR_W + 0x09));
+ } else {
+ hwctl &= ~0x2;
+ writeb(0x00, (this->IO_ADDR_W + 0x08));
+ }
+ if ( (ctrl & NAND_NCE) != NAND_NCE)
+ writeb(0x00, (this->IO_ADDR_W + 0x0c));
+ else
+ writeb(0x00, (this->IO_ADDR_W + 0x08));
+ }
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, this->IO_ADDR_W);
- printf ("%4lu MB\n", totlen >>20);
}
-#endif /* CFG_CMD_NAND */
+static u_char ids_nand_read_byte(struct mtd_info *mtd)
+{
+ struct nand_chip *this = mtd->priv;
-#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
-/*
- * update "memory" property in the blob
- */
-void ft_blob_update(void *blob, bd_t *bd)
+ return readb(this->IO_ADDR_R);
+}
+
+static void ids_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
{
- int ret;
+ struct nand_chip *nand = mtd->priv;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ if (hwctl & 0x1)
+ writeb(buf[i], (nand->IO_ADDR_W + 0x02));
+ else if (hwctl & 0x2)
+ writeb(buf[i], (nand->IO_ADDR_W + 0x01));
+ else
+ writeb(buf[i], nand->IO_ADDR_W);
+ }
+}
- ret = fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+static void ids_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+{
+ struct nand_chip *this = mtd->priv;
+ int i;
- if (ret < 0) {
- printf("ft_blob_update): cannot set /memory/reg "
- "property err:%s\n", fdt_strerror(ret));
+ for (i = 0; i < len; i++) {
+ buf[i] = readb(this->IO_ADDR_R);
}
}
+static int ids_nand_dev_ready(struct mtd_info *mtd)
+{
+ /* constant delay (see also tR in the datasheet) */
+ udelay(12);
+ return 1;
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+ nand->ecc.mode = NAND_ECC_SOFT;
+
+ /* Reference hardware control function */
+ nand->cmd_ctrl = ids_nand_hwctrl;
+ nand->read_byte = ids_nand_read_byte;
+ nand->write_buf = ids_nand_write_buf;
+ nand->read_buf = ids_nand_read_buf;
+ nand->dev_ready = ids_nand_dev_ready;
+ nand->chip_delay = 12;
+
+ return 0;
+}
+
+#endif /* CONFIG_CMD_NAND */
+
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
void ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup( blob, bd);
- ft_blob_update(blob, bd);
}
#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
projects / karo-tx-uboot.git / blobdiff