+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.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
*/
#include <common.h>
+#include <init.h>
#include <pci.h>
#include <asm/immap.h>
+#include <asm/io.h>
+#include <linux/delay.h>
DECLARE_GLOBAL_DATA_PTR;
return 0;
};
-long int initdram(int board_type)
+int dram_init(void)
{
- volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM);
- volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO);
- u32 dramsize, i;
-
- dramsize = CFG_SDRAM_SIZE * 0x100000 >> 1;
+ u32 dramsize;
+#ifdef CONFIG_CF_SBF
+ /*
+ * Serial Boot: The dram is already initialized in start.S
+ * only require to return DRAM size
+ */
+ dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000 >> 1;
+#else
+ sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM);
+ gpio_t *gpio = (gpio_t *)(MMAP_GPIO);
+ u32 i;
+
+ dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000 >> 1;
for (i = 0x13; i < 0x20; i++) {
if (dramsize == (1 << i))
}
i--;
- gpio->mscr_sdram = 0xAA;
+ out_8(&gpio->mscr_sdram, CONFIG_SYS_SDRAM_DRV_STRENGTH);
- sdram->sdcs0 = (CFG_SDRAM_BASE | i);
- sdram->sdcs1 = (CFG_SDRAM_BASE1 | i);
+ out_be32(&sdram->sdcs0, CONFIG_SYS_SDRAM_BASE | i);
+ out_be32(&sdram->sdcs1, CONFIG_SYS_SDRAM_BASE1 | i);
- sdram->sdcfg1 = CFG_SDRAM_CFG1;
- sdram->sdcfg2 = CFG_SDRAM_CFG2;
+ out_be32(&sdram->sdcfg1, CONFIG_SYS_SDRAM_CFG1);
+ out_be32(&sdram->sdcfg2, CONFIG_SYS_SDRAM_CFG2);
/* Issue PALL */
- sdram->sdcr = CFG_SDRAM_CTRL | 2;
+ out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2);
/* Issue LEMR */
- sdram->sdmr = CFG_SDRAM_EMOD | 0x408;
- sdram->sdmr = CFG_SDRAM_MODE | 0x300;
+ out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_EMOD | 0x408);
+ out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE | 0x300);
udelay(500);
/* Issue PALL */
- sdram->sdcr = CFG_SDRAM_CTRL | 2;
+ out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2);
/* Perform two refresh cycles */
- sdram->sdcr = CFG_SDRAM_CTRL | 4;
- sdram->sdcr = CFG_SDRAM_CTRL | 4;
+ out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4);
+ out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4);
- sdram->sdmr = CFG_SDRAM_MODE | 0x200;
+ out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE | 0x200);
- sdram->sdcr = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000c00;
+ out_be32(&sdram->sdcr,
+ (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00);
udelay(100);
+#endif
+ gd->ram_size = dramsize << 1;
- return (dramsize << 1);
+ return 0;
};
int testdram(void)
return (0);
}
-#if defined(CONFIG_CMD_IDE)
+#if defined(CONFIG_IDE)
#include <ata.h>
int ide_preinit(void)
{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- gpio->par_fec |= (gpio->par_fec & GPIO_PAR_FEC_FEC1_MASK) | 0x10;
- gpio->par_feci2c |=
- (gpio->par_feci2c & 0xF0FF) | (GPIO_PAR_FECI2C_MDC1_ATA_DIOR |
- GPIO_PAR_FECI2C_MDIO1_ATA_DIOW);
- gpio->par_ata |=
- (GPIO_PAR_ATA_BUFEN | GPIO_PAR_ATA_CS1 | GPIO_PAR_ATA_CS0 |
- GPIO_PAR_ATA_DA2 | GPIO_PAR_ATA_DA1 | GPIO_PAR_ATA_DA0
- | GPIO_PAR_ATA_RESET_RESET | GPIO_PAR_ATA_DMARQ_DMARQ |
- GPIO_PAR_ATA_IORDY_IORDY);
- gpio->par_pci |=
- (GPIO_PAR_PCI_GNT3_ATA_DMACK | GPIO_PAR_PCI_REQ3_ATA_INTRQ);
+ gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ u32 tmp;
+
+ tmp = (in_8(&gpio->par_fec) & GPIO_PAR_FEC_FEC1_UNMASK) | 0x10;
+ setbits_8(&gpio->par_fec, tmp);
+ tmp = ((in_be16(&gpio->par_feci2c) & 0xf0ff) |
+ (GPIO_PAR_FECI2C_MDC1_ATA_DIOR | GPIO_PAR_FECI2C_MDIO1_ATA_DIOW));
+ setbits_be16(&gpio->par_feci2c, tmp);
+
+ setbits_be16(&gpio->par_ata,
+ GPIO_PAR_ATA_BUFEN | GPIO_PAR_ATA_CS1 | GPIO_PAR_ATA_CS0 |
+ GPIO_PAR_ATA_DA2 | GPIO_PAR_ATA_DA1 | GPIO_PAR_ATA_DA0 |
+ GPIO_PAR_ATA_RESET_RESET | GPIO_PAR_ATA_DMARQ_DMARQ |
+ GPIO_PAR_ATA_IORDY_IORDY);
+ setbits_be16(&gpio->par_pci,
+ GPIO_PAR_PCI_GNT3_ATA_DMACK | GPIO_PAR_PCI_REQ3_ATA_INTRQ);
return (0);
}
void ide_set_reset(int idereset)
{
- volatile atac_t *ata = (atac_t *) MMAP_ATA;
+ atac_t *ata = (atac_t *) MMAP_ATA;
long period;
/* t1, t2, t3, t4, t5, t6, t9, tRD, tA */
int piotms[5][9] = {
}; /* PIO 4 */
if (idereset) {
- ata->cr = 0; /* control reset */
+ /* control reset */
+ out_8(&ata->cr, 0);
udelay(10000);
} else {
#define CALC_TIMING(t) (t + period - 1) / period
period = 1000000000 / gd->bus_clk; /* period in ns */
/*ata->ton = CALC_TIMING (180); */
- ata->t1 = CALC_TIMING(piotms[2][0]);
- ata->t2w = CALC_TIMING(piotms[2][1]);
- ata->t2r = CALC_TIMING(piotms[2][1]);
- ata->ta = CALC_TIMING(piotms[2][8]);
- ata->trd = CALC_TIMING(piotms[2][7]);
- ata->t4 = CALC_TIMING(piotms[2][3]);
- ata->t9 = CALC_TIMING(piotms[2][6]);
-
- ata->cr = 0x40; /* IORDY enable */
+ out_8(&ata->t1, CALC_TIMING(piotms[2][0]));
+ out_8(&ata->t2w, CALC_TIMING(piotms[2][1]));
+ out_8(&ata->t2r, CALC_TIMING(piotms[2][1]));
+ out_8(&ata->ta, CALC_TIMING(piotms[2][8]));
+ out_8(&ata->trd, CALC_TIMING(piotms[2][7]));
+ out_8(&ata->t4, CALC_TIMING(piotms[2][3]));
+ out_8(&ata->t9, CALC_TIMING(piotms[2][6]));
+
+ /* IORDY enable */
+ out_8(&ata->cr, 0x40);
udelay(200000);
- ata->cr |= 0x01; /* IORDY enable */
+ /* IORDY enable */
+ setbits_8(&ata->cr, 0x01);
}
}
#endif
pci_mcf5445x_init(&hose);
}
#endif /* CONFIG_PCI */
+
+#if defined(CONFIG_FLASH_CFI_LEGACY)
+#include <flash.h>
+ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
+{
+ int sect[] = CONFIG_SYS_ATMEL_SECT;
+ int sectsz[] = CONFIG_SYS_ATMEL_SECTSZ;
+ int i, j, k;
+
+ if (base != CONFIG_SYS_ATMEL_BASE)
+ return 0;
+
+ info->flash_id = 0x01000000;
+ info->portwidth = 1;
+ info->chipwidth = 1;
+ info->buffer_size = 1;
+ info->erase_blk_tout = 16384;
+ info->write_tout = 2;
+ info->buffer_write_tout = 5;
+ info->vendor = 0xFFF0; /* CFI_CMDSET_AMD_LEGACY */
+ info->cmd_reset = 0x00F0;
+ info->interface = FLASH_CFI_X8;
+ info->legacy_unlock = 0;
+ info->manufacturer_id = (u16) ATM_MANUFACT;
+ info->device_id = ATM_ID_LV040;
+ info->device_id2 = 0;
+
+ info->ext_addr = 0;
+ info->cfi_version = 0x3133;
+ info->cfi_offset = 0x0000;
+ info->addr_unlock1 = 0x00000555;
+ info->addr_unlock2 = 0x000002AA;
+ info->name = "CFI conformant";
+
+ info->size = 0;
+ info->sector_count = CONFIG_SYS_ATMEL_TOTALSECT;
+ info->start[0] = base;
+ for (k = 0, i = 0; i < CONFIG_SYS_ATMEL_REGION; i++) {
+ info->size += sect[i] * sectsz[i];
+
+ for (j = 0; j < sect[i]; j++, k++) {
+ info->start[k + 1] = info->start[k] + sectsz[i];
+ info->protect[k] = 0;
+ }
+ }
+
+ return 1;
+}
+#endif /* CONFIG_SYS_FLASH_CFI */
projects / oweals / u-boot.git / blobdiff