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authorTom Rini <trini@ti.com>2011-11-18 12:48:09 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-12-06 23:59:38 +0100
commit673283f3fc2583a56b3be995cd341159428734ba (patch)
tree31c3ec0d2ac75d8c82fe39504d71e6441c413652 /board/ti/evm
parent75c57a3570ec0904c14394db08ef436a8b49dda4 (diff)
downloadblackbird-obmc-uboot-673283f3fc2583a56b3be995cd341159428734ba.tar.gz
blackbird-obmc-uboot-673283f3fc2583a56b3be995cd341159428734ba.zip
OMAP3: Add SPL support to omap3_evm
Add Hynix 200MHz timing information to <asm/arch-omap3/mem.h>. This also changes CONFIG_SYS_TEXT_BASE to 0x80100000. Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board/ti/evm')
-rw-r--r--board/ti/evm/config.mk33
-rw-r--r--board/ti/evm/evm.c41
2 files changed, 39 insertions, 35 deletions
diff --git a/board/ti/evm/config.mk b/board/ti/evm/config.mk
deleted file mode 100644
index d173eef094..0000000000
--- a/board/ti/evm/config.mk
+++ /dev/null
@@ -1,33 +0,0 @@
-#
-# (C) Copyright 2006 - 2008
-# Texas Instruments, <www.ti.com>
-#
-# EVM 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
diff --git a/board/ti/evm/evm.c b/board/ti/evm/evm.c
index 8c434633dd..8497aee6de 100644
--- a/board/ti/evm/evm.c
+++ b/board/ti/evm/evm.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2004-2008
+ * (C) Copyright 2004-2011
* Texas Instruments, <www.ti.com>
*
* Author :
@@ -37,6 +37,7 @@
#include <asm/gpio.h>
#include <i2c.h>
#include <asm/mach-types.h>
+#include <linux/mtd/nand.h>
#include "evm.h"
#define OMAP3EVM_GPIO_ETH_RST_GEN1 64
@@ -119,6 +120,42 @@ int board_init(void)
return 0;
}
+#ifdef CONFIG_SPL_BUILD
+/*
+ * 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 the first bank. This
+ * provides the timing values back to the function that configures
+ * the memory.
+ */
+void get_board_mem_timings(u32 *mcfg, u32 *ctrla, u32 *ctrlb, u32 *rfr_ctrl,
+ u32 *mr)
+{
+ int pop_mfr, pop_id;
+
+ /*
+ * We need to identify what PoP memory is on the board so that
+ * we know what timings to use. To map the ID values please see
+ * nand_ids.c
+ */
+ identify_nand_chip(&pop_mfr, &pop_id);
+
+ if (pop_mfr == NAND_MFR_HYNIX && pop_id == 0xbc) {
+ /* 256MB DDR */
+ *mcfg = HYNIX_V_MCFG_200(256 << 20);
+ *ctrla = HYNIX_V_ACTIMA_200;
+ *ctrlb = HYNIX_V_ACTIMB_200;
+ } else {
+ /* 128MB DDR */
+ *mcfg = MICRON_V_MCFG_165(128 << 20);
+ *ctrla = MICRON_V_ACTIMA_165;
+ *ctrlb = MICRON_V_ACTIMB_165;
+ }
+ *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+ *mr = MICRON_V_MR_165;
+}
+#endif
+
/*
* Routine: misc_init_r
* Description: Init ethernet (done here so udelay works)
@@ -238,7 +275,7 @@ int board_eth_init(bd_t *bis)
}
#endif /* CONFIG_CMD_NET */
-#ifdef CONFIG_GENERIC_MMC
+#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
omap_mmc_init(0);
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