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authorAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-06-30 23:00:34 +0200
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2014-06-30 23:00:34 +0200
commitd6694aff569a0838a9d0ef352128f5aa309d73ff (patch)
treea94eeab5431dfd0ed91a510c2e7de5eebb7a78fc /arch/arm/imx-common
parentb5b8d85e9a50c2294b6043830cd045de1002dc5d (diff)
parent3f4c01d9f9d38e383f004dcd06c0d5661f2a57e0 (diff)
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Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm/imx-common')
-rw-r--r--arch/arm/imx-common/Makefile1
-rw-r--r--arch/arm/imx-common/cpu.c16
-rw-r--r--arch/arm/imx-common/iomux-v3.c18
-rw-r--r--arch/arm/imx-common/sata.c7
-rw-r--r--arch/arm/imx-common/spl.c81
5 files changed, 111 insertions, 12 deletions
diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index 6c65577..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