diff options
Diffstat (limited to 'arch/arm/imx-common')
| -rw-r--r-- | arch/arm/imx-common/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/imx-common/cpu.c | 16 | ||||
| -rw-r--r-- | arch/arm/imx-common/iomux-v3.c | 18 | ||||
| -rw-r--r-- | arch/arm/imx-common/sata.c | 7 | ||||
| -rw-r--r-- | arch/arm/imx-common/spl.c | 81 |
5 files changed, 111 insertions, 12 deletions
diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile index 6c655773..25a9d4c 100644 --- a/arch/arm/imx-common/Makefile +++ b/arch/arm/imx-common/Makefile @@ -16,6 +16,7 @@ obj-$(CONFIG_SYS_I2C_MXC) += i2c-mxv7.o endif ifeq ($(SOC),$(filter $(SOC),mx6 mxs)) obj-y += misc.o +obj-$(CONFIG_SPL_BUILD) += spl.o endif ifeq ($(SOC),$(filter $(SOC),mx6)) obj-$(CONFIG_CMD_SATA) += sata.o diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c index a77c4de..5a09107 100644 --- a/arch/arm/imx-common/cpu.c +++ b/arch/arm/imx-common/cpu.c @@ -58,6 +58,7 @@ char *get_reset_cause(void) static const unsigned char col_lookup[] = {9, 10, 11, 8, 12, 9, 9, 9}; static const unsigned char bank_lookup[] = {3, 2}; +/* these MMDC registers are common to the IMX53 and IMX6 */ struct esd_mmdc_regs { uint32_t ctl; uint32_t pdc; @@ -66,15 +67,6 @@ struct esd_mmdc_regs { uint32_t cfg1; uint32_t cfg2; uint32_t misc; - uint32_t scr; - uint32_t ref; - uint32_t rsvd1; - uint32_t rsvd2; - uint32_t rwd; - uint32_t or; - uint32_t mrr; - uint32_t cfg3lp; - uint32_t mr4; }; #define ESD_MMDC_CTL_GET_ROW(mdctl) ((ctl >> 24) & 7) @@ -83,6 +75,12 @@ struct esd_mmdc_regs { #define ESD_MMDC_CTL_GET_CS1(mdctl) ((ctl >> 30) & 1) #define ESD_MMDC_MISC_GET_BANK(mdmisc) ((misc >> 5) & 1) +/* + * imx_ddr_size - return size in bytes of DRAM according MMDC config + * The MMDC MDCTL register holds the number of bits for row, col, and data + * width and the MMDC MDMISC register holds the number of banks. Combine + * all these bits to determine the meme size the MMDC has been configured for + */ unsigned imx_ddr_size(void) { struct esd_mmdc_regs *mem = (struct esd_mmdc_regs *)MEMCTL_BASE; diff --git a/arch/arm/imx-common/iomux-v3.c b/arch/arm/imx-common/iomux-v3.c index 6e46ea8..22cd11a 100644 --- a/arch/arm/imx-common/iomux-v3.c +++ b/arch/arm/imx-common/iomux-v3.c @@ -11,6 +11,9 @@ #include <common.h> #include <asm/io.h> #include <asm/arch/imx-regs.h> +#if !defined(CONFIG_MX25) && !defined(CONFIG_VF610) +#include <asm/arch/sys_proto.h> +#endif #include <asm/imx-common/iomux-v3.h> static void *base = (void *)IOMUXC_BASE_ADDR; @@ -54,12 +57,23 @@ void imx_iomux_v3_setup_pad(iomux_v3_cfg_t pad) #endif } +/* configures a list of pads within declared with IOMUX_PADS macro */ void imx_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t const *pad_list, unsigned count) { iomux_v3_cfg_t const *p = pad_list; + int stride; int i; - for (i = 0; i < count; i++) - imx_iomux_v3_setup_pad(*p++); +#if defined(CONFIG_MX6QDL) + stride = 2; + if (!is_cpu_type(MXC_CPU_MX6Q) && !is_cpu_type(MXC_CPU_MX6D)) + p += 1; +#else + stride = 1; +#endif + for (i = 0; i < count; i++) { + imx_iomux_v3_setup_pad(*p); + p += stride; + } } diff --git a/arch/arm/imx-common/sata.c b/arch/arm/imx-common/sata.c index 2e69486..c10dd28 100644 --- a/arch/arm/imx-common/sata.c +++ b/arch/arm/imx-common/sata.c @@ -8,13 +8,18 @@ #include <asm/arch/iomux.h> #include <asm/io.h> #include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> int setup_sata(void) { struct iomuxc_base_regs *const iomuxc_regs = (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR; + int ret; - int ret = enable_sata_clock(); + if (!is_cpu_type(MXC_CPU_MX6Q) && !is_cpu_type(MXC_CPU_MX6D)) + return 1; + + ret = enable_sata_clock(); if (ret) return ret; diff --git a/arch/arm/imx-common/spl.c b/arch/arm/imx-common/spl.c new file mode 100644 index 0000000..9a02a64 --- /dev/null +++ b/arch/arm/imx-common/spl.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2014 Gateworks Corporation + * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. + * + * Author: Tim Harvey <tharvey@gateworks.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/spl.h> +#include <spl.h> + +#if defined(CONFIG_MX6) +/* determine boot device from SRC_SBMR1 register (BOOT_CFG[4:1]) */ +u32 spl_boot_device(void) +{ + struct src *psrc = (struct src *)SRC_BASE_ADDR; + unsigned reg = readl(&psrc->sbmr1); + + /* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */ + switch ((reg & 0x000000FF) >> 4) { + /* EIM: See 8.5.1, Table 8-9 */ + case 0x0: + /* BOOT_CFG1[3]: NOR/OneNAND Selection */ + if ((reg & 0x00000008) >> 3) + return BOOT_DEVICE_ONENAND; + else + return BOOT_DEVICE_NOR; + break; + /* SATA: See 8.5.4, Table 8-20 */ + case 0x2: + return BOOT_DEVICE_SATA; + /* Serial ROM: See 8.5.5.1, Table 8-22 */ + case 0x3: + /* BOOT_CFG4[2:0] */ + switch ((reg & 0x07000000) >> 24) { + case 0x0 ... 0x4: + return BOOT_DEVICE_SPI; + case 0x5 ... 0x7: + return BOOT_DEVICE_I2C; + } + break; + /* SD/eSD: 8.5.3, Table 8-15 */ + case 0x4: + case 0x5: + return BOOT_DEVICE_MMC1; + /* MMC/eMMC: 8.5.3 */ + case 0x6: + case 0x7: + return BOOT_DEVICE_MMC1; + /* NAND Flash: 8.5.2 */ + case 0x8 ... 0xf: + return BOOT_DEVICE_NAND; + } + return BOOT_DEVICE_NONE; +} +#endif + +#if defined(CONFIG_SPL_MMC_SUPPORT) +/* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */ +u32 spl_boot_mode(void) +{ + switch (spl_boot_device()) { + /* for MMC return either RAW or FAT mode */ + case BOOT_DEVICE_MMC1: + case BOOT_DEVICE_MMC2: +#ifdef CONFIG_SPL_FAT_SUPPORT + return MMCSD_MODE_FAT; +#else + return MMCSD_MODE_RAW; +#endif + break; + default: + puts("spl: ERROR: unsupported device\n"); + hang(); + } +} +#endif |