Sricharan | 9310ff7 | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Functions for omap5 based boards. |
| 4 | * |
| 5 | * (C) Copyright 2011 |
| 6 | * Texas Instruments, <www.ti.com> |
| 7 | * |
| 8 | * Author : |
| 9 | * Aneesh V <aneesh@ti.com> |
| 10 | * Steve Sakoman <steve@sakoman.com> |
| 11 | * Sricharan <r.sricharan@ti.com> |
| 12 | * |
| 13 | * See file CREDITS for list of people who contributed to this |
| 14 | * project. |
| 15 | * |
| 16 | * This program is free software; you can redistribute it and/or |
| 17 | * modify it under the terms of the GNU General Public License as |
| 18 | * published by the Free Software Foundation; either version 2 of |
| 19 | * the License, or (at your option) any later version. |
| 20 | * |
| 21 | * This program is distributed in the hope that it will be useful, |
| 22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 24 | * GNU General Public License for more details. |
| 25 | * |
| 26 | * You should have received a copy of the GNU General Public License |
| 27 | * along with this program; if not, write to the Free Software |
| 28 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 29 | * MA 02111-1307 USA |
| 30 | */ |
| 31 | #include <common.h> |
| 32 | #include <asm/armv7.h> |
| 33 | #include <asm/arch/cpu.h> |
| 34 | #include <asm/arch/sys_proto.h> |
| 35 | #include <asm/sizes.h> |
| 36 | #include <asm/utils.h> |
| 37 | #include <asm/arch/gpio.h> |
| 38 | |
| 39 | DECLARE_GLOBAL_DATA_PTR; |
| 40 | |
| 41 | u32 *const omap5_revision = (u32 *)OMAP5_SRAM_SCRATCH_OMAP5_REV; |
| 42 | |
| 43 | static struct gpio_bank gpio_bank_54xx[6] = { |
| 44 | { (void *)OMAP54XX_GPIO1_BASE, METHOD_GPIO_24XX }, |
| 45 | { (void *)OMAP54XX_GPIO2_BASE, METHOD_GPIO_24XX }, |
| 46 | { (void *)OMAP54XX_GPIO3_BASE, METHOD_GPIO_24XX }, |
| 47 | { (void *)OMAP54XX_GPIO4_BASE, METHOD_GPIO_24XX }, |
| 48 | { (void *)OMAP54XX_GPIO5_BASE, METHOD_GPIO_24XX }, |
| 49 | { (void *)OMAP54XX_GPIO6_BASE, METHOD_GPIO_24XX }, |
| 50 | }; |
| 51 | |
| 52 | const struct gpio_bank *const omap_gpio_bank = gpio_bank_54xx; |
| 53 | |
| 54 | #ifdef CONFIG_SPL_BUILD |
| 55 | /* |
| 56 | * Some tuning of IOs for optimal power and performance |
| 57 | */ |
| 58 | void do_io_settings(void) |
| 59 | { |
| 60 | } |
| 61 | #endif |
| 62 | |
| 63 | void init_omap_revision(void) |
| 64 | { |
| 65 | /* |
| 66 | * For some of the ES2/ES1 boards ID_CODE is not reliable: |
| 67 | * Also, ES1 and ES2 have different ARM revisions |
| 68 | * So use ARM revision for identification |
| 69 | */ |
| 70 | unsigned int rev = cortex_rev(); |
| 71 | |
| 72 | switch (rev) { |
| 73 | case MIDR_CORTEX_A15_R0P0: |
| 74 | *omap5_revision = OMAP5430_ES1_0; |
| 75 | default: |
| 76 | *omap5_revision = OMAP5430_SILICON_ID_INVALID; |
| 77 | } |
| 78 | } |