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Diffstat (limited to 'arch/arm/cpu/armv7/omap5/hwinit.c')
-rw-r--r--arch/arm/cpu/armv7/omap5/hwinit.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
new file mode 100644
index 0000000000..fa8e390c17
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+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -0,0 +1,78 @@
+/*
+ *
+ * Functions for omap5 based boards.
+ *
+ * (C) Copyright 2011
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.com>
+ * Sricharan <r.sricharan@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
+ */
+#include <common.h>
+#include <asm/armv7.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/sizes.h>
+#include <asm/utils.h>
+#include <asm/arch/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 *const omap5_revision = (u32 *)OMAP5_SRAM_SCRATCH_OMAP5_REV;
+
+static struct gpio_bank gpio_bank_54xx[6] = {
+ { (void *)OMAP54XX_GPIO1_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO2_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO3_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO4_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO5_BASE, METHOD_GPIO_24XX },
+ { (void *)OMAP54XX_GPIO6_BASE, METHOD_GPIO_24XX },
+};
+
+const struct gpio_bank *const omap_gpio_bank = gpio_bank_54xx;
+
+#ifdef CONFIG_SPL_BUILD
+/*
+ * Some tuning of IOs for optimal power and performance
+ */
+void do_io_settings(void)
+{
+}
+#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 rev = cortex_rev();
+
+ switch (rev) {
+ case MIDR_CORTEX_A15_R0P0:
+ *omap5_revision = OMAP5430_ES1_0;
+ default:
+ *omap5_revision = OMAP5430_SILICON_ID_INVALID;
+ }
+}