[ARM] tegra: ventana: Add emc memory table

Added memory table for ventana
Enabled emc tables used for emc voltage scaling

Original-Change-Id: I2c46faf1eeea90b7f4097c4128dbec5d08888d13
Reviewed-on: http://git-master/r/14245
Reviewed-by: Amit Kamath <akamath@nvidia.com>
Tested-by: Amit Kamath <akamath@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>

Rebase-Id: Rd26dd6d70024e8d38c5225113de5d526807d1a53

4 files changed, 139 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 5cd61d3f2be1..8b45c0c8222c 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -99,6 +99,7 @@ obj-${CONFIG_MACH_VENTANA}              += board-ventana-power.o
 obj-${CONFIG_MACH_VENTANA}              += board-ventana-panel.o
 obj-${CONFIG_MACH_VENTANA}              += board-ventana-sensors.o
 obj-${CONFIG_MACH_VENTANA}              += board-ventana-kbc.o
+obj-${CONFIG_MACH_VENTANA}              += board-ventana-memory.o
 
 # Aruba
 
diff --git a/arch/arm/mach-tegra/board-ventana-memory.c b/arch/arm/mach-tegra/board-ventana-memory.c
new file mode 100644
index 000000000000..98b605655bf2
--- /dev/null
+++ b/arch/arm/mach-tegra/board-ventana-memory.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2010 NVIDIA, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include "board-ventana.h"
+#include "tegra2_emc.h"
+
+
+static const struct tegra_emc_table ventana_emc_tables_elpida[] = {
+	{
+		.rate = 150000,   /* SDRAM frquency */
+		.regs = {
+			0x00000009,   /* RC */
+			0x00000014,   /* RFC */
+			0x00000007,   /* RAS */
+			0x00000004,   /* RP */
+			0x00000006,   /* R2W */
+			0x00000004,   /* W2R */
+			0x00000002,   /* R2P */
+			0x00000009,   /* W2P */
+			0x00000003,   /* RD_RCD */
+			0x00000003,   /* WR_RCD */
+			0x00000002,   /* RRD */
+			0x00000002,   /* REXT */
+			0x00000002,   /* WDV */
+			0x00000005,   /* QUSE */
+			0x00000003,   /* QRST */
+			0x00000008,   /* QSAFE */
+			0x0000000b,   /* RDV */
+			0x0000021f,   /* REFRESH */
+			0x00000000,   /* BURST_REFRESH_NUM */
+			0x00000003,   /* PDEX2WR */
+			0x00000003,   /* PDEX2RD */
+			0x00000004,   /* PCHG2PDEN */
+			0x00000008,   /* ACT2PDEN */
+			0x00000001,   /* AR2PDEN */
+			0x0000000a,   /* RW2PDEN */
+			0x00000015,   /* TXSR */
+			0x00000003,   /* TCKE */
+			0x00000008,   /* TFAW */
+			0x00000004,   /* TRPAB */
+			0x00000006,   /* TCLKSTABLE */
+			0x00000002,   /* TCLKSTOP */
+			0x00000270,   /* TREFBW */
+			0x00000000,   /* QUSE_EXTRA */
+			0x00000001,   /* FBIO_CFG6 */
+			0x00000000,   /* ODT_WRITE */
+			0x00000000,   /* ODT_READ */
+			0x00000082,   /* FBIO_CFG5 */
+			0xA04C04AE,   /* CFG_DIG_DLL */
+			0x007FC010,   /* DLL_XFORM_DQS */
+			0x00000000,   /* DLL_XFORM_QUSE */
+			0x00000000,   /* ZCAL_REF_CNT */
+			0x0000000e,   /* ZCAL_WAIT_CNT */
+			0x00000000,   /* AUTO_CAL_INTERVAL */
+			0x00000000,   /* CFG_CLKTRIM_0 */
+			0x00000000,   /* CFG_CLKTRIM_1 */
+			0x00000000,   /* CFG_CLKTRIM_2 */
+		}
+	},
+	{
+		.rate = 300000,   /* SDRAM frquency */
+		.regs = {
+			0x00000012,   /* RC */
+			0x00000027,   /* RFC */
+			0x0000000D,   /* RAS */
+			0x00000007,   /* RP */
+			0x00000007,   /* R2W */
+			0x00000005,   /* W2R */
+			0x00000003,   /* R2P */
+			0x00000009,   /* W2P */
+			0x00000006,   /* RD_RCD */
+			0x00000006,   /* WR_RCD */
+			0x00000003,   /* RRD */
+			0x00000003,   /* REXT */
+			0x00000002,   /* WDV */
+			0x00000006,   /* QUSE */
+			0x00000003,   /* QRST */
+			0x00000009,   /* QSAFE */
+			0x0000000c,   /* RDV */
+			0x0000045f,   /* REFRESH */
+			0x00000000,   /* BURST_REFRESH_NUM */
+			0x00000004,   /* PDEX2WR */
+			0x00000004,   /* PDEX2RD */
+			0x00000007,   /* PCHG2PDEN */
+			0x00000008,   /* ACT2PDEN */
+			0x00000001,   /* AR2PDEN */
+			0x0000000e,   /* RW2PDEN */
+			0x0000002A,   /* TXSR */
+			0x00000003,   /* TCKE */
+			0x0000000F,   /* TFAW */
+			0x00000008,   /* TRPAB */
+			0x00000005,   /* TCLKSTABLE */
+			0x00000002,   /* TCLKSTOP */
+			0x000004E1,   /* TREFBW */
+			0x00000005,   /* QUSE_EXTRA */
+			0x00000002,   /* FBIO_CFG6 */
+			0x00000000,   /* ODT_WRITE */
+			0x00000000,   /* ODT_READ */
+			0x00000282,   /* FBIO_CFG5 */
+			0xE03C048B,   /* CFG_DIG_DLL */
+			0x007FC010,   /* DLL_XFORM_DQS */
+			0x00000000,   /* DLL_XFORM_QUSE */
+			0x00000000,   /* ZCAL_REF_CNT */
+			0x0000001B,   /* ZCAL_WAIT_CNT */
+			0x00000000,   /* AUTO_CAL_INTERVAL */
+			0x00000000,   /* CFG_CLKTRIM_0 */
+			0x00000000,   /* CFG_CLKTRIM_1 */
+			0x00000000,   /* CFG_CLKTRIM_2 */
+		}
+	}
+};
+
+int ventana_emc_init(void)
+{
+	tegra_init_emc(ventana_emc_tables_elpida,
+		ARRAY_SIZE(ventana_emc_tables_elpida));
+	return 0;
+}
diff --git a/arch/arm/mach-tegra/board-ventana.c b/arch/arm/mach-tegra/board-ventana.c
index 2ffc11513626..345487b038a1 100644
--- a/arch/arm/mach-tegra/board-ventana.c
+++ b/arch/arm/mach-tegra/board-ventana.c
@@ -427,6 +427,7 @@ static void __init tegra_ventana_init(void)
 	ventana_sensors_init();
 	ventana_bt_rfkill();
 	ventana_power_off_init();
+	ventana_emc_init();
 }
 
 MACHINE_START(VENTANA, "ventana")
diff --git a/arch/arm/mach-tegra/board-ventana.h b/arch/arm/mach-tegra/board-ventana.h
index de26323b6cf5..2c929c435935 100644
--- a/arch/arm/mach-tegra/board-ventana.h
+++ b/arch/arm/mach-tegra/board-ventana.h
@@ -24,6 +24,7 @@ int ventana_pinmux_init(void);
 int ventana_panel_init(void);
 int ventana_sensors_init(void);
 int ventana_kbc_init(void);
+int ventana_emc_init(void);
 
 /* external gpios */