diff options
Diffstat (limited to 'board/freescale/common')
| -rw-r--r-- | board/freescale/common/Makefile | 1 | ||||
| -rw-r--r-- | board/freescale/common/ngpixis.c | 56 | ||||
| -rw-r--r-- | board/freescale/common/ngpixis.h | 8 | ||||
| -rw-r--r-- | board/freescale/common/sdhc_boot.c | 64 | ||||
| -rw-r--r-- | board/freescale/common/sys_eeprom.c | 50 |
5 files changed, 154 insertions, 25 deletions
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index 1abd3e5..8ea5acb 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -36,6 +36,7 @@ COBJS-$(CONFIG_FSL_NGPIXIS) += ngpixis.o COBJS-$(CONFIG_PQ_MDS_PIB) += pq-mds-pib.o COBJS-$(CONFIG_ID_EEPROM) += sys_eeprom.o COBJS-$(CONFIG_FSL_SGMII_RISER) += sgmii_riser.o +COBJS-$(CONFIG_ENV_IS_IN_MMC) += sdhc_boot.o COBJS-$(CONFIG_MPC8541CDS) += cds_pci_ft.o COBJS-$(CONFIG_MPC8548CDS) += cds_pci_ft.o diff --git a/board/freescale/common/ngpixis.c b/board/freescale/common/ngpixis.c index a135fbe..4e01e5a 100644 --- a/board/freescale/common/ngpixis.c +++ b/board/freescale/common/ngpixis.c @@ -1,5 +1,5 @@ /** - * Copyright 2010 Freescale Semiconductor + * Copyright 2010-2011 Freescale Semiconductor * Author: Timur Tabi <timur@freescale.com> * * This program is free software; you can redistribute it and/or modify it @@ -35,61 +35,89 @@ #include <common.h> #include <command.h> -#include <watchdog.h> -#include <asm/cache.h> #include <asm/io.h> #include "ngpixis.h" +static u8 __pixis_read(unsigned int reg) +{ + void *p = (void *)PIXIS_BASE; + + return in_8(p + reg); +} +u8 pixis_read(unsigned int reg) __attribute__((weak, alias("__pixis_read"))); + +static void __pixis_write(unsigned int reg, u8 value) +{ + void *p = (void *)PIXIS_BASE; + + out_8(p + reg, value); +} +void pixis_write(unsigned int reg, u8 value) + __attribute__((weak, alias("__pixis_write"))); + /* * Reset the board. This ignores the ENx registers. */ -void pixis_reset(void) +void __pixis_reset(void) { - out_8(&pixis->rst, 0); + PIXIS_WRITE(rst, 0); while (1); } +void pixis_reset(void) __attribute__((weak, alias("__pixis_reset"))); /* * Reset the board. Like pixis_reset(), but it honors the ENx registers. */ -void pixis_bank_reset(void) +void __pixis_bank_reset(void) { - out_8(&pixis->vctl, 0); - out_8(&pixis->vctl, 1); + PIXIS_WRITE(vctl, 0); + PIXIS_WRITE(vctl, 1); while (1); } +void pixis_bank_reset(void) __attribute__((weak, alias("__pixis_bank_reset"))); /** * Set the boot bank to the power-on default bank */ -void clear_altbank(void) +void __clear_altbank(void) { + u8 reg; + /* Tell the ngPIXIS to use this the bits in the physical switch for the * boot bank value, instead of the SWx register. We need to be careful * only to set the bits in SWx that correspond to the boot bank. */ - clrbits_8(&PIXIS_EN(PIXIS_LBMAP_SWITCH), PIXIS_LBMAP_MASK); + reg = PIXIS_READ(s[PIXIS_LBMAP_SWITCH - 1].en); + reg &= ~PIXIS_LBMAP_MASK; + PIXIS_WRITE(s[PIXIS_LBMAP_SWITCH - 1].en, reg); } +void clear_altbank(void) __attribute__((weak, alias("__clear_altbank"))); /** * Set the boot bank to the alternate bank */ -void set_altbank(void) +void __set_altbank(void) { + u8 reg; + /* Program the alternate bank number into the SWx register. */ - clrsetbits_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH), PIXIS_LBMAP_MASK, - PIXIS_LBMAP_ALTBANK); + reg = PIXIS_READ(s[PIXIS_LBMAP_SWITCH - 1].sw); + reg = (reg & ~PIXIS_LBMAP_MASK) | PIXIS_LBMAP_ALTBANK; + PIXIS_WRITE(s[PIXIS_LBMAP_SWITCH - 1].sw, reg); /* Tell the ngPIXIS to use this the bits in the SWx register for the * boot bank value, instead of the physical switch. We need to be * careful only to set the bits in SWx that correspond to the boot bank. */ - setbits_8(&PIXIS_EN(PIXIS_LBMAP_SWITCH), PIXIS_LBMAP_MASK); + reg = PIXIS_READ(s[PIXIS_LBMAP_SWITCH - 1].en); + reg |= PIXIS_LBMAP_MASK; + PIXIS_WRITE(s[PIXIS_LBMAP_SWITCH - 1].en, reg); } +void set_altbank(void) __attribute__((weak, alias("__set_altbank"))); int pixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) diff --git a/board/freescale/common/ngpixis.h b/board/freescale/common/ngpixis.h index 089408b..681b0d0 100644 --- a/board/freescale/common/ngpixis.h +++ b/board/freescale/common/ngpixis.h @@ -1,5 +1,5 @@ /** - * Copyright 2010 Freescale Semiconductor + * Copyright 2010-2011 Freescale Semiconductor * Author: Timur Tabi <timur@freescale.com> * * This program is free software; you can redistribute it and/or modify it @@ -55,3 +55,9 @@ typedef struct ngpixis { /* The PIXIS EN register that corresponds to board switch X, where x >= 1 */ #define PIXIS_EN(x) (pixis->s[(x) - 1].en) + +u8 pixis_read(unsigned int reg); +void pixis_write(unsigned int reg, u8 value); + +#define PIXIS_READ(reg) pixis_read(offsetof(ngpixis_t, reg)) +#define PIXIS_WRITE(reg, value) pixis_write(offsetof(ngpixis_t, reg), value) diff --git a/board/freescale/common/sdhc_boot.c b/board/freescale/common/sdhc_boot.c new file mode 100644 index 0000000..964c6b8 --- /dev/null +++ b/board/freescale/common/sdhc_boot.c @@ -0,0 +1,64 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * + * 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 <mmc.h> +#include <malloc.h> + +/* + * The environment variables are written to just after the u-boot image + * on SDCard, so we must read the MBR to get the start address and code + * length of the u-boot image, then calculate the address of the env. + */ +#define ESDHC_BOOT_IMAGE_SIZE 0x48 +#define ESDHC_BOOT_IMAGE_ADDR 0x50 + +int mmc_get_env_addr(struct mmc *mmc, u32 *env_addr) +{ + u8 *tmp_buf; + u32 blklen, code_offset, code_len, n; + + blklen = mmc->read_bl_len; + tmp_buf = malloc(blklen); + if (!tmp_buf) + return 1; + + /* read out the first block, get the config data information */ + n = mmc->block_dev.block_read(mmc->block_dev.dev, 0, 1, tmp_buf); + if (!n) { + free(tmp_buf); + return 1; + } + + /* Get the Source Address, from offset 0x50 */ + code_offset = *(u32 *)(tmp_buf + ESDHC_BOOT_IMAGE_ADDR); + + /* Get the code size from offset 0x48 */ + code_len = *(u32 *)(tmp_buf + ESDHC_BOOT_IMAGE_SIZE); + + *env_addr = code_offset + code_len; + + free(tmp_buf); + + return 0; +} + diff --git a/board/freescale/common/sys_eeprom.c b/board/freescale/common/sys_eeprom.c index 3ecfb06..d2ed036 100644 --- a/board/freescale/common/sys_eeprom.c +++ b/board/freescale/common/sys_eeprom.c @@ -1,5 +1,5 @@ /* - * Copyright 2006, 2008-2009 Freescale Semiconductor + * Copyright 2006, 2008-2009, 2011 Freescale Semiconductor * York Sun (yorksun@freescale.com) * Haiying Wang (haiying.wang@freescale.com) * Timur Tabi (timur@freescale.com) @@ -34,12 +34,6 @@ #endif #ifdef CONFIG_SYS_I2C_EEPROM_NXID -#define MAX_NUM_PORTS 8 -#define NXID_VERSION 0 -#endif - -#ifdef CONFIG_SYS_I2C_EEPROM_NXID_1 -#define CONFIG_SYS_I2C_EEPROM_NXID #define MAX_NUM_PORTS 23 #define NXID_VERSION 1 #endif @@ -428,11 +422,16 @@ int do_mac(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) * This ensures that any user-saved variables are never overwritten. * * This function must be called after relocation. + * + * For NXID v1 EEPROMs, we support loading and up-converting the older NXID v0 + * format. In a v0 EEPROM, there are only eight MAC addresses and the CRC is + * located at a different offset. */ int mac_read_from_eeprom(void) { unsigned int i; - u32 crc; + u32 crc, crc_offset = offsetof(struct eeprom, crc); + u32 *crcp; /* Pointer to the CRC in the data read from the EEPROM */ puts("EEPROM: "); @@ -447,12 +446,32 @@ int mac_read_from_eeprom(void) return -1; } - crc = crc32(0, (void *)&e, sizeof(e) - 4); - if (crc != be32_to_cpu(e.crc)) { +#ifdef CONFIG_SYS_I2C_EEPROM_NXID + /* + * If we've read an NXID v0 EEPROM, then we need to set the CRC offset + * to where it is in v0. + */ + if (e.version == 0) + crc_offset = 0x72; +#endif + + crc = crc32(0, (void *)&e, crc_offset); + crcp = (void *)&e + crc_offset; + if (crc != be32_to_cpu(*crcp)) { printf("CRC mismatch (%08x != %08x)\n", crc, be32_to_cpu(e.crc)); return -1; } +#ifdef CONFIG_SYS_I2C_EEPROM_NXID + /* + * MAC address #9 in v1 occupies the same position as the CRC in v0. + * Erase it so that it's not mistaken for a MAC address. We'll + * update the CRC later. + */ + if (e.version == 0) + memset(e.mac[8], 0xff, 6); +#endif + for (i = 0; i < min(e.mac_count, MAX_NUM_PORTS); i++) { if (memcmp(&e.mac[i], "\0\0\0\0\0\0", 6) && memcmp(&e.mac[i], "\xFF\xFF\xFF\xFF\xFF\xFF", 6)) { @@ -482,6 +501,17 @@ int mac_read_from_eeprom(void) printf("%c%c%c%c\n", e.id[0], e.id[1], e.id[2], e.id[3]); #endif +#ifdef CONFIG_SYS_I2C_EEPROM_NXID + /* + * Now we need to upconvert the data into v1 format. We do this last so + * that at boot time, U-Boot will still say "NXID v0". + */ + if (e.version == 0) { + e.version = NXID_VERSION; + update_crc(); + } +#endif + return 0; } |