OMAP3: igep00x0: add SPL support for IGEP-based boards

This patch adds SPL support for IGEP-based boards.
Tested on an IGEPv2 Rev.C board with Micron NAND Flash memory.

Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org>

board/isee/igep0020/config.mk

@@ -1,33 +0,0 @@
-#
-# (C) Copyright 2009
-# ISEE 2007 SL, <www.iseebcn.com>
-#
-# IGEP0020 uses OMAP3 (ARM-CortexA8) cpu
-# see http://www.ti.com/ for more information on Texas Instruments
-#
-# 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
-#
-# Physical Address:
-# 8000'0000 (bank0)
-# A000/0000 (bank1)
-# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000
-# (mem base + reserved)
-
-# For use with external or internal boots.
-CONFIG_SYS_TEXT_BASE = 0x80008000

board/isee/igep0020/igep0020.c

@@ -58,6 +58,46 @@ int board_init(void)
 	return 0;
 }
 
+#ifdef CONFIG_SPL_BUILD
+/*
+ * Routine: omap_rev_string
+ * Description: For SPL builds output board rev
+ */
+void omap_rev_string(void)
+{
+}
+
+/*
+ * Routine: get_board_mem_timings
+ * Description: If we use SPL then there is no x-loader nor config header
+ * so we have to setup the DDR timings ourself on both banks.
+ */
+void get_board_mem_timings(u32 *mcfg, u32 *ctrla, u32 *ctrlb, u32 *rfr_ctrl,
+		u32 *mr)
+{
+	*mr = MICRON_V_MR_165;
+#ifdef CONFIG_BOOT_NAND
+	*mcfg = MICRON_V_MCFG_200(512 << 20);
+	*ctrla = MICRON_V_ACTIMA_200;
+	*ctrlb = MICRON_V_ACTIMB_200;
+	*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+#else
+	if (get_cpu_family() == CPU_OMAP34XX) {
+		*mcfg = NUMONYX_V_MCFG_165(512 << 20);
+		*ctrla = NUMONYX_V_ACTIMA_165;
+		*ctrlb = NUMONYX_V_ACTIMB_165;
+		*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+
+	} else {
+		*mcfg = NUMONYX_V_MCFG_200(512 << 20);
+		*ctrla = NUMONYX_V_ACTIMA_200;
+		*ctrlb = NUMONYX_V_ACTIMB_200;
+		*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+	}
+#endif
+}
+#endif
+
 /*
  * Routine: setup_net_chip
  * Description: Setting up the configuration GPMC registers specific to the
@@ -91,7 +131,7 @@ static void setup_net_chip(void)
 }
 #endif
 
-#ifdef CONFIG_GENERIC_MMC
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
 int board_mmc_init(bd_t *bis)
 {
 	omap_mmc_init(0, 0, 0);

board/isee/igep0030/config.mk

@@ -1,33 +0,0 @@
-#
-# (C) Copyright 2009
-# ISEE 2007 SL, <www.iseebcn.com>
-#
-# IGEP0030 uses OMAP3 (ARM-CortexA8) cpu
-# see http://www.ti.com/ for more information on Texas Instruments
-#
-# 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
-#
-# Physical Address:
-# 8000'0000 (bank0)
-# A000/0000 (bank1)
-# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000
-# (mem base + reserved)
-
-# For use with external or internal boots.
-CONFIG_SYS_TEXT_BASE = 0x80008000

board/isee/igep0030/igep0030.c

@@ -45,7 +45,47 @@ int board_init(void)
 	return 0;
 }
 
-#ifdef CONFIG_GENERIC_MMC
+#ifdef CONFIG_SPL_BUILD
+/*
+ * Routine: omap_rev_string
+ * Description: For SPL builds output board rev
+ */
+void omap_rev_string(void)
+{
+}
+
+/*
+ * Routine: get_board_mem_timings
+ * Description: If we use SPL then there is no x-loader nor config header
+ * so we have to setup the DDR timings ourself on both banks.
+ */
+void get_board_mem_timings(u32 *mcfg, u32 *ctrla, u32 *ctrlb, u32 *rfr_ctrl,
+			   u32 *mr)
+{
+	*mr = MICRON_V_MR_165;
+#ifdef CONFIG_BOOT_NAND
+	*mcfg = MICRON_V_MCFG_200(512 << 20);
+	*ctrla = MICRON_V_ACTIMA_200;
+	*ctrlb = MICRON_V_ACTIMB_200;
+	*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+#else
+	if (get_cpu_family() == CPU_OMAP34XX) {
+		*mcfg = NUMONYX_V_MCFG_165(512 << 20);
+		*ctrla = NUMONYX_V_ACTIMA_165;
+		*ctrlb = NUMONYX_V_ACTIMB_165;
+		*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+
+	} else {
+		*mcfg = NUMONYX_V_MCFG_200(512 << 20);
+		*ctrla = NUMONYX_V_ACTIMA_200;
+		*ctrlb = NUMONYX_V_ACTIMB_200;
+		*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+	}
+#endif
+}
+#endif
+
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
 int board_mmc_init(bd_t *bis)
 {
 	omap_mmc_init(0, 0, 0);

include/configs/igep00x0.h

@@ -287,6 +287,11 @@
 #define CONFIG_SMC911X_BASE	0x2C000000
 #endif /* (CONFIG_CMD_NET) */
 
+/*
+ * Leave it at 0x80008000 to allow booting new u-boot.bin with X-loader
+ * and older u-boot.bin with the new U-Boot SPL.
+ */
+#define CONFIG_SYS_TEXT_BASE		0x80008000
 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
 #define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
 #define CONFIG_SYS_INIT_RAM_SIZE	0x800
@@ -294,4 +299,64 @@
 					 CONFIG_SYS_INIT_RAM_SIZE - \
 					 GENERATED_GBL_DATA_SIZE)
 
+/* SPL */
+#define CONFIG_SPL
+#define CONFIG_SPL_NAND_SIMPLE
+#define CONFIG_SPL_TEXT_BASE		0x40200800
+#define CONFIG_SPL_MAX_SIZE		(54 * 1024)
+#define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK
+
+/* move malloc and bss high to prevent clashing with the main image */
+#define CONFIG_SYS_SPL_MALLOC_START	0x87000000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	0x80000
+#define CONFIG_SPL_BSS_START_ADDR	0x87080000	/* end of minimum RAM */
+#define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
+
+/* MMC boot config */
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300 /* address 0x60000 */
+#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	0x200 /* 256 KB */
+#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION	1
+#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME	"u-boot.img"
+
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_LIBDISK_SUPPORT
+#define CONFIG_SPL_I2C_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+#define CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_SPL_FAT_SUPPORT
+#define CONFIG_SPL_SERIAL_SUPPORT
+
+#define CONFIG_SPL_POWER_SUPPORT
+#define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
+
+#ifdef CONFIG_BOOT_ONENAND
+#define CONFIG_SPL_ONENAND_SUPPORT
+
+/* OneNAND boot config */
+#define CONFIG_SYS_ONENAND_U_BOOT_OFFS  0x80000
+#define CONFIG_SYS_ONENAND_PAGE_SIZE	2048
+#define CONFIG_SPL_ONENAND_LOAD_ADDR    0x80000
+#define CONFIG_SPL_ONENAND_LOAD_SIZE    \
+	(512 * 1024 - CONFIG_SPL_ONENAND_LOAD_ADDR)
+
+#endif
+
+#ifdef CONFIG_BOOT_NAND
+#define CONFIG_SPL_NAND_SUPPORT
+
+/* NAND boot config */
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_PAGE_COUNT	64
+#define CONFIG_SYS_NAND_PAGE_SIZE	2048
+#define CONFIG_SYS_NAND_OOBSIZE		64
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS	0
+#define CONFIG_SYS_NAND_ECCPOS		{2, 3, 4, 5, 6, 7, 8, 9,\
+						10, 11, 12, 13}
+#define CONFIG_SYS_NAND_ECCSIZE		512
+#define CONFIG_SYS_NAND_ECCBYTES	3
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
+#endif
+
 #endif /* __IGEP00X0_H */