diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/common/Makefile | 1 | ||||
| -rw-r--r-- | board/freescale/common/fsl_sys_rev.c | 115 |
2 files changed, 116 insertions, 0 deletions
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index 3b44939..708bb7e 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -29,6 +29,7 @@ endif LIB = $(obj)lib$(VENDOR).a +COBJS-${CONFIG_MXC} += fsl_sys_rev.o COBJS-${CONFIG_FSL_CADMUS} += cadmus.o COBJS-${CONFIG_FSL_VIA} += cds_via.o COBJS-${CONFIG_FSL_DIU_FB} += fsl_diu_fb.o fsl_logo_bmp.o diff --git a/board/freescale/common/fsl_sys_rev.c b/board/freescale/common/fsl_sys_rev.c new file mode 100644 index 0000000..9fdabac --- /dev/null +++ b/board/freescale/common/fsl_sys_rev.c @@ -0,0 +1,115 @@ +/* + * Freescale system chip & board version define + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * + * 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#include <config.h> +#include <common.h> +#include <asm/io.h> +#include <asm/arch/mx6.h> + +#ifdef CONFIG_CMD_IMXOTP +#include <imx_otp.h> +#endif + +unsigned int fsl_system_rev; + +#if defined(CONFIG_MX6Q) || defined(CONFIG_MX6DL) || defined(CONFIG_MX6SOLO) +/* + * Set fsl_system_rev: + * bit 0-7: Chip Revision ID + * bit 8-11: Board Revision ID + * 0: Unknown or latest revision + * 1: RevA Board + * 2: RevB board + * 3: RevC board + * bit 12-19: Chip Silicon ID + * 0x63: i.MX6 Dual/Quad + * 0x61: i.MX6 Solo/DualLite + * 0x60: i.MX6 SoloLite + */ +void fsl_set_system_rev(void) +{ + /* Read Silicon information from Anatop register */ + /* The register layout: + * bit 16-23: Chip Silicon ID + * 0x60: i.MX6 SoloLite + * 0x61: i.MX6 Solo/DualLite + * 0x63: i.MX6 Dual/Quad + * + * bit 0-7: Chip Revision ID + * 0x00: TO1.0 + * 0x01: TO1.1 + * 0x02: TO1.2 + * + * exp: + * Chip Major Minor + * i.MX6Q1.0: 6300 00 + * i.MX6Q1.1: 6300 01 + * i.MX6Solo1.0: 6100 00 + */ + u32 cpu_type = readl(ANATOP_BASE_ADDR + 0x260); + u32 board_type = 0; + /* Chip Silicon ID */ + fsl_system_rev = (cpu_type >> 4) & 0xFF000; + /* Chip Revision ID */ + fsl_system_rev |= (cpu_type & 0xFF); + + /* Get Board ID information from OCOTP_GP1[15:8] + * bit 12-15: Board type + * 0x0 : Unknown + * 0x1 : Sabre-AI (ARD) + * 0x2 : Smart Device (SD) + * 0x3 : Quick-Start Board (QSB) + * 0x4 : SoloLite EVK (SL-EVK) + * + * bit 8-11: Board Revision ID + * 0x0 : Unknown or latest revision + * 0x1 : RevA board + * 0x2 : RevB + * 0x3 : RevC + * + * exp: + * i.MX6Q ARD RevA: 0x11 + * i.MX6Q ARD RevB: 0x12 + * i.MX6Solo ARD RevA: 0x11 + * i.MX6Solo ARD RevB: 0x12 + */ +#ifdef CONFIG_CMD_IMXOTP + imx_otp_read_one_u32(0x26, &board_type); + switch ((board_type >> 8) & 0xF) { + case 0x1: /* RevA */ + fsl_system_rev |= BOARD_REV_2; + break; + case 0x2: /* RevB */ + fsl_system_rev |= BOARD_REV_3; + break; + case 0x3: /* RevC */ + fsl_system_rev |= BOARD_REV_4; + break; + case 0x0: /* Unknown */ + default: + fsl_system_rev |= BOARD_REV_1; + break; + } +#endif +} +#else +void fsl_set_system_rev(void) +{ +} +#endif |