SPDX: Convert all of our single license tags to Linux Kernel style
[platform/kernel/u-boot.git] / board / freescale / m54455evb / m54455evb.c
index 4f02121..98af3be 100644 (file)
@@ -1,32 +1,16 @@
+// 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 <pci.h>
 #include <asm/immap.h>
+#include <asm/io.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -37,7 +21,7 @@ int checkboard(void)
        return 0;
 };
 
-phys_size_t initdram(int board_type)
+int dram_init(void)
 {
        u32 dramsize;
 #ifdef CONFIG_CF_SBF
@@ -45,13 +29,13 @@ phys_size_t initdram(int board_type)
         * Serial Boot: The dram is already initialized in start.S
         * only require to return DRAM size
         */
-       dramsize = CFG_SDRAM_SIZE * 0x100000 >> 1;
+       dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000 >> 1;
 #else
-       volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM);
-       volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO);
+       sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM);
+       gpio_t *gpio = (gpio_t *)(MMAP_GPIO);
        u32 i;
 
-       dramsize = CFG_SDRAM_SIZE * 0x100000 >> 1;
+       dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000 >> 1;
 
        for (i = 0x13; i < 0x20; i++) {
                if (dramsize == (1 << i))
@@ -59,37 +43,40 @@ phys_size_t initdram(int board_type)
        }
        i--;
 
-       gpio->mscr_sdram = CFG_SDRAM_DRV_STRENGTH;
+       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
-       return (dramsize << 1);
+       gd->ram_size = dramsize << 1;
+
+       return 0;
 };
 
 int testdram(void)
@@ -100,31 +87,34 @@ 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] = {
@@ -136,24 +126,27 @@ void ide_set_reset(int idereset)
        };                      /* 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
@@ -171,25 +164,25 @@ void pci_init_board(void)
 }
 #endif                         /* CONFIG_PCI */
 
-#if defined(CFG_FLASH_CFI)
+#if defined(CONFIG_FLASH_CFI_LEGACY)
 #include <flash.h>
 ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
 {
-       int sect[] = CFG_ATMEL_SECT;
-       int sectsz[] = CFG_ATMEL_SECTSZ;
+       int sect[] = CONFIG_SYS_ATMEL_SECT;
+       int sectsz[] = CONFIG_SYS_ATMEL_SECTSZ;
        int i, j, k;
 
-       if (base != CFG_ATMEL_BASE)
+       if (base != CONFIG_SYS_ATMEL_BASE)
                return 0;
 
        info->flash_id          = 0x01000000;
        info->portwidth         = 1;
        info->chipwidth         = 1;
-       info->buffer_size       = 32;
+       info->buffer_size       = 1;
        info->erase_blk_tout    = 16384;
        info->write_tout        = 2;
        info->buffer_write_tout = 5;
-       info->vendor            = 2; /* CFI_CMDSET_AMD_STANDARD */
+       info->vendor            = 0xFFF0; /* CFI_CMDSET_AMD_LEGACY */
        info->cmd_reset         = 0x00F0;
        info->interface         = FLASH_CFI_X8;
        info->legacy_unlock     = 0;
@@ -199,16 +192,15 @@ ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
 
        info->ext_addr          = 0;
        info->cfi_version       = 0x3133;
-       info->cfi_offset        = 0x0055;
+       info->cfi_offset        = 0x0000;
        info->addr_unlock1      = 0x00000555;
        info->addr_unlock2      = 0x000002AA;
        info->name              = "CFI conformant";
 
-
        info->size              = 0;
-       info->sector_count      = CFG_ATMEL_TOTALSECT;
+       info->sector_count      = CONFIG_SYS_ATMEL_TOTALSECT;
        info->start[0] = base;
-       for (k = 0, i = 0; i < CFG_ATMEL_REGION; i++) {
+       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++) {
@@ -219,4 +211,4 @@ ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
 
        return 1;
 }
-#endif                         /* CFG_FLASH_CFI */
+#endif                         /* CONFIG_SYS_FLASH_CFI */