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-rw-r--r--arch/arm/cpu/armv7/omap4/Makefile5
-rw-r--r--arch/arm/cpu/armv7/omap4/hwinit.c167
-rw-r--r--arch/arm/cpu/armv7/omap4/omap4_mux_data.h83
-rw-r--r--arch/arm/cpu/armv7/omap4/sys_info.c53
4 files changed, 168 insertions, 140 deletions
diff --git a/arch/arm/cpu/armv7/omap4/Makefile b/arch/arm/cpu/armv7/omap4/Makefile
index d91272958f..606538be91 100644
--- a/arch/arm/cpu/armv7/omap4/Makefile
+++ b/arch/arm/cpu/armv7/omap4/Makefile
@@ -26,10 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).o
COBJS += sdram_elpida.o
-
-ifndef CONFIG_SPL_BUILD
-COBJS += sys_info.o
-endif
+COBJS += hwinit.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
diff --git a/arch/arm/cpu/armv7/omap4/hwinit.c b/arch/arm/cpu/armv7/omap4/hwinit.c
new file mode 100644
index 0000000000..78b3cabb07
--- /dev/null
+++ b/arch/arm/cpu/armv7/omap4/hwinit.c
@@ -0,0 +1,167 @@
+/*
+ *
+ * Common functions for OMAP4 based boards
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.com>
+ *
+ * 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
+ */
+#include <common.h>
+#include <asm/armv7.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/sizes.h>
+#include <asm/arch/emif.h>
+#include <asm/arch/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 *const omap4_revision = (u32 *)OMAP4_SRAM_SCRATCH_OMAP4_REV;
+
+static const struct gpio_bank gpio_bank_44xx[6] = {
+ { (void *)OMAP44XX_GPIO1_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO2_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO3_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO4_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO5_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP44XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+const struct gpio_bank *const omap_gpio_bank = gpio_bank_44xx;
+
+#ifdef CONFIG_SPL_BUILD
+/*
+ * Some tuning of IOs for optimal power and performance
+ */
+void do_io_settings(void)
+{
+ u32 lpddr2io;
+ struct control_lpddr2io_regs *lpddr2io_regs =
+ (struct control_lpddr2io_regs *)LPDDR2_IO_REGS_BASE;
+ struct omap4_sys_ctrl_regs *const ctrl =
+ (struct omap4_sys_ctrl_regs *)SYSCTRL_GENERAL_CORE_BASE;
+
+ u32 omap4_rev = omap_revision();
+
+ if (omap4_rev == OMAP4430_ES1_0)
+ lpddr2io = CONTROL_LPDDR2IO_SLEW_125PS_DRV8_PULL_DOWN;
+ else if (omap4_rev == OMAP4430_ES2_0)
+ lpddr2io = CONTROL_LPDDR2IO_SLEW_325PS_DRV8_GATE_KEEPER;
+ else
+ lpddr2io = CONTROL_LPDDR2IO_SLEW_315PS_DRV12_PULL_DOWN;
+
+ /* EMIF1 */
+ writel(lpddr2io, &lpddr2io_regs->control_lpddr2io1_0);
+ writel(lpddr2io, &lpddr2io_regs->control_lpddr2io1_1);
+ /* No pull for GR10 as per hw team's recommendation */
+ writel(lpddr2io & ~LPDDR2IO_GR10_WD_MASK,
+ &lpddr2io_regs->control_lpddr2io1_2);
+ writel(CONTROL_LPDDR2IO_3_VAL, &lpddr2io_regs->control_lpddr2io1_3);
+
+ /* EMIF2 */
+ writel(lpddr2io, &lpddr2io_regs->control_lpddr2io2_0);
+ writel(lpddr2io, &lpddr2io_regs->control_lpddr2io2_1);
+ /* No pull for GR10 as per hw team's recommendation */
+ writel(lpddr2io & ~LPDDR2IO_GR10_WD_MASK,
+ &lpddr2io_regs->control_lpddr2io2_2);
+ writel(CONTROL_LPDDR2IO_3_VAL, &lpddr2io_regs->control_lpddr2io2_3);
+
+ /*
+ * Some of these settings (TRIM values) come from eFuse and are
+ * in turn programmed in the eFuse at manufacturing time after
+ * calibration of the device. Do the software over-ride only if
+ * the device is not correctly trimmed
+ */
+ if (!(readl(&ctrl->control_std_fuse_opp_bgap) & 0xFFFF)) {
+
+ writel(LDOSRAM_VOLT_CTRL_OVERRIDE,
+ &ctrl->control_ldosram_iva_voltage_ctrl);
+
+ writel(LDOSRAM_VOLT_CTRL_OVERRIDE,
+ &ctrl->control_ldosram_mpu_voltage_ctrl);
+
+ writel(LDOSRAM_VOLT_CTRL_OVERRIDE,
+ &ctrl->control_ldosram_core_voltage_ctrl);
+ }
+
+ if (!readl(&ctrl->control_efuse_1))
+ writel(CONTROL_EFUSE_1_OVERRIDE, &ctrl->control_efuse_1);
+
+ if (!readl(&ctrl->control_efuse_2))
+ writel(CONTROL_EFUSE_2_OVERRIDE, &ctrl->control_efuse_2);
+}
+#endif
+
+void init_omap_revision(void)
+{
+ /*
+ * For some of the ES2/ES1 boards ID_CODE is not reliable:
+ * Also, ES1 and ES2 have different ARM revisions
+ * So use ARM revision for identification
+ */
+ unsigned int arm_rev = cortex_rev();
+
+ switch (arm_rev) {
+ case MIDR_CORTEX_A9_R0P1:
+ *omap4_revision = OMAP4430_ES1_0;
+ break;
+ case MIDR_CORTEX_A9_R1P2:
+ switch (readl(CONTROL_ID_CODE)) {
+ case OMAP4_CONTROL_ID_CODE_ES2_0:
+ *omap4_revision = OMAP4430_ES2_0;
+ break;
+ case OMAP4_CONTROL_ID_CODE_ES2_1:
+ *omap4_revision = OMAP4430_ES2_1;
+ break;
+ case OMAP4_CONTROL_ID_CODE_ES2_2:
+ *omap4_revision = OMAP4430_ES2_2;
+ break;
+ default:
+ *omap4_revision = OMAP4430_ES2_0;
+ break;
+ }
+ break;
+ case MIDR_CORTEX_A9_R1P3:
+ *omap4_revision = OMAP4430_ES2_3;
+ break;
+ case MIDR_CORTEX_A9_R2P10:
+ *omap4_revision = OMAP4460_ES1_0;
+ break;
+ default:
+ *omap4_revision = OMAP4430_SILICON_ID_INVALID;
+ break;
+ }
+}
+
+#ifndef CONFIG_SYS_L2CACHE_OFF
+void v7_outer_cache_enable(void)
+{
+ set_pl310_ctrl_reg(1);
+}
+
+void v7_outer_cache_disable(void)
+{
+ set_pl310_ctrl_reg(0);
+}
+#endif
diff --git a/arch/arm/cpu/armv7/omap4/omap4_mux_data.h b/arch/arm/cpu/armv7/omap4/omap4_mux_data.h
deleted file mode 100644
index b9403910c9..0000000000
--- a/arch/arm/cpu/armv7/omap4/omap4_mux_data.h
+++ /dev/null
@@ -1,83 +0,0 @@
- /*
- * (C) Copyright 2010
- * Texas Instruments Incorporated, <www.ti.com>
- *
- * Balaji Krishnamoorthy <balajitk@ti.com>
- * Aneesh V <aneesh@ti.com>
- *
- * 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
- */
-#ifndef _OMAP4_MUX_DATA_H_
-#define _OMAP4_MUX_DATA_H_
-
-#include <asm/arch/mux_omap4.h>
-
-const struct pad_conf_entry core_padconf_array_essential[] = {
-
-{GPMC_AD0, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat0 */
-{GPMC_AD1, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat1 */
-{GPMC_AD2, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat2 */
-{GPMC_AD3, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat3 */
-{GPMC_AD4, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat4 */
-{GPMC_AD5, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat5 */
-{GPMC_AD6, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat6 */
-{GPMC_AD7, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_dat7 */
-{GPMC_NOE, (PTU | IEN | OFF_EN | OFF_OUT_PTD | M1)}, /* sdmmc2_clk */
-{GPMC_NWE, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M1)}, /* sdmmc2_cmd */
-{SDMMC1_CLK, (PTU | OFF_EN | OFF_OUT_PTD | M0)}, /* sdmmc1_clk */
-{SDMMC1_CMD, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_cmd */
-{SDMMC1_DAT0, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat0 */
-{SDMMC1_DAT1, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat1 */
-{SDMMC1_DAT2, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat2 */
-{SDMMC1_DAT3, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat3 */
-{SDMMC1_DAT4, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat4 */
-{SDMMC1_DAT5, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat5 */
-{SDMMC1_DAT6, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat6 */
-{SDMMC1_DAT7, (PTU | IEN | OFF_EN | OFF_PD | OFF_IN | M0)}, /* sdmmc1_dat7 */
-{I2C1_SCL, (PTU | IEN | M0)}, /* i2c1_scl */
-{I2C1_SDA, (PTU | IEN | M0)}, /* i2c1_sda */
-{I2C2_SCL, (PTU | IEN | M0)}, /* i2c2_scl */
-{I2C2_SDA, (PTU | IEN | M0)}, /* i2c2_sda */
-{I2C3_SCL, (PTU | IEN | M0)}, /* i2c3_scl */
-{I2C3_SDA, (PTU | IEN | M0)}, /* i2c3_sda */
-{I2C4_SCL, (PTU | IEN | M0)}, /* i2c4_scl */
-{I2C4_SDA, (PTU | IEN | M0)}, /* i2c4_sda */
-{UART3_CTS_RCTX, (PTU | IEN | M0)}, /* uart3_tx */
-{UART3_RTS_SD, (M0)}, /* uart3_rts_sd */
-{UART3_RX_IRRX, (IEN | M0)}, /* uart3_rx */
-{UART3_TX_IRTX, (M0)} /* uart3_tx */
-
-};
-
-const struct pad_conf_entry wkup_padconf_array_essential[] = {
-
-{PAD1_SR_SCL, (PTU | IEN | M0)}, /* sr_scl */
-{PAD0_SR_SDA, (PTU | IEN | M0)}, /* sr_sda */
-{PAD1_SYS_32K, (IEN | M0)} /* sys_32k */
-
-};
-
-const struct pad_conf_entry wkup_padconf_array_essential_4460[] = {
-
-{PAD1_FREF_CLK4_REQ, (M3)}, /* gpio_wk7, TPS */
-
-};
-
-
-#endif /* _OMAP4_MUX_DATA_H_ */
diff --git a/arch/arm/cpu/armv7/omap4/sys_info.c b/arch/arm/cpu/armv7/omap4/sys_info.c
deleted file mode 100644
index b9e57659f0..0000000000
--- a/arch/arm/cpu/armv7/omap4/sys_info.c
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * (C) Copyright 2010
- * Texas Instruments, <www.ti.com>
- *
- * Author :
- * Aneesh V <aneesh@ti.com>
- * Steve Sakoman <steve@sakoman.com>
- *
- * 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
- */
-
-#include <common.h>
-#include <asm/arch/sys_proto.h>
-
-/*
- * get_device_type(): tell if GP/HS/EMU/TST
- */
-u32 get_device_type(void)
-{
- return 0;
-}
-
-/*
- * get_board_rev() - get board revision
- */
-u32 get_board_rev(void)
-{
- return 0x20;
-}
-
-/*
- * Print CPU information
- */
-int print_cpuinfo(void)
-{
-
- puts("CPU : OMAP4430\n");
-
- return 0;
-}
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