[U-Boot] [PATCH v4 02/10] mx6: add common SPL configuration

Tim Harvey
2014-06-02T23:13:19Z

Add a common header which can hopefully be shared amon imx6 SPL users

Cc: Stefan Roese <sr@denx.de>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Andy Ng <andreas2025@gmail.com>
Cc: Eric Nelson <eric.nelson@boundarydevices.com>
Cc: Tapani Utriainen <tapani@technexion.com>
Cc: Tom Rini <trini@ti.com>

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Acked-by: Nikita Kiryanov <nikita@compulab.co.il>
---
v4:
- no changes

v3:
- fixed typo s/IMX6SLD/IMX6SDL
- add acks from Stefano and Nikita

v2:
- adjust CONFIG_SPL_TEXT_BASE, CONFIG_SPL_STACK and CONFIG_SPL_MAX_SIZE
to accomodate the IMX6SOLO/DUALLITE which have half the iRAM of the
IMX6DUAL/IMX6QUAD

---
include/configs/imx6_spl.h | 71 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 71 insertions(+)
create mode 100644 include/configs/imx6_spl.h

diff --git a/include/configs/imx6_spl.h b/include/configs/imx6_spl.h
new file mode 100644
index 0000000..6fdc438
--- /dev/null
+++ b/include/configs/imx6_spl.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2014 Gateworks Corporation
+ * Author: Tim Harvey <tharvey@gateworks.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef __IMX6_SPL_CONFIG_H
+#define __IMX6_SPL_CONFIG_H
+
+#ifdef CONFIG_SPL
+
+#define CONFIG_SPL_FRAMEWORK
+
+/*
+ * see Figure 8-3 in IMX6DQ/IMX6SDL Reference manuals:
+ * - IMX6SDL OCRAM (IRAM) is from 0x00907000 to 0x0091FFFF
+ * - IMX6DQ has 2x IRAM of IMX6SDL but we intend to support IMX6SDL as well
+ * - BOOT ROM stack is at 0x0091FFB8
+ * - if icache/dcache is enabled (eFuse/strapping controlled) then the
+ * IMX BOOT ROM will setup MMU table at 0x00918000, therefore we need to
+ * fit between 0x00907000 and 0x00918000.
+ * - Additionally the BOOT ROM loads what they consider the firmware image
+ * which consists of a 4K header in front of us that contains the IVT, DCD
+ * and some padding thus 'our' max size is really 0x00908000 - 0x00918000
+ * or 64KB
+ */
+#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/omap-common/u-boot-spl.lds"
+#define CONFIG_SPL_TEXT_BASE 0x00908000
+#define CONFIG_SPL_MAX_SIZE (64 * 1024)
+#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/armv7"
+#define CONFIG_SPL_STACK 0x0091FFB8
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_I2C_SUPPORT
+#define CONFIG_SPL_GPIO_SUPPORT
+
+/* NAND support */
+#if defined(CONFIG_SPL_NAND_SUPPORT)
+#define CONFIG_SPL_NAND_MXS
+#define CONFIG_SPL_DMA_SUPPORT
+#endif
+
+/* MMC support */
+#if defined(CONFIG_SPL_MMC_SUPPORT)
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 138 /* offset 69KB */
+#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 800 /* 400 KB */
+#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
+#define CONFIG_SYS_MONITOR_LEN (CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS/2*1024)
+#endif
+
+/* SATA support */
+#if defined(CONFIG_SPL_SATA_SUPPORT)
+#define CONFIG_SPL_SATA_BOOT_DEVICE 0
+#define CONFIG_SYS_SATA_FAT_BOOT_PARTITION 1
+#endif
+
+/* Define the payload for FAT/EXT support */
+#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
+#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
+#define CONFIG_SPL_LIBDISK_SUPPORT
+#endif
+
+#define CONFIG_SPL_BSS_START_ADDR 0x18200000
+#define CONFIG_SPL_BSS_MAX_SIZE 0x100000 /* 1 MB */
+#define CONFIG_SYS_SPL_MALLOC_START 0x18300000
+#define CONFIG_SYS_SPL_MALLOC_SIZE 0x3200000 /* 50 MB */
+#define CONFIG_SYS_TEXT_BASE 0x17800000
+#endif
+
+#endif
--
1.8.3.2