X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Fcorscience%2Ftricorder%2Ftricorder.c;h=27e6066575e1b4e7e0fce3473e8162c90cb4cb55;hb=83d290c56fab2d38cd1ab4c4cc7099559c1d5046;hp=56fe495277ee7d6ad84df39ab4494de81f2f6784;hpb=612404c28a64a6df300642a1550a65dcc8e01f82;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/corscience/tricorder/tricorder.c b/board/corscience/tricorder/tricorder.c index 56fe495..27e6066 100644 --- a/board/corscience/tricorder/tricorder.c +++ b/board/corscience/tricorder/tricorder.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2012 * Corscience GmbH & Co. KG, @@ -7,33 +8,17 @@ * * Derived from Devkit8000 code by * Frederik Kriewitz - * - * 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 #include #include +#include #include #include #include #include #include "tricorder.h" +#include "tricorder-eeprom.h" DECLARE_GLOBAL_DATA_PTR; @@ -50,18 +35,95 @@ int board_init(void) return 0; } +/** + * get_eeprom - read the eeprom + * + * @eeprom - pointer to a eeprom struct to fill + * + * This function will panic() on wrong EEPROM content + */ +static void get_eeprom(struct tricorder_eeprom *eeprom) +{ + int ret; + + if (!eeprom) + panic("No eeprom given!\n"); + + ret = gpio_request(7, "BMS"); + if (ret) + panic("gpio: requesting BMS pin failed\n"); + + ret = gpio_direction_input(7); + if (ret) + panic("gpio: set BMS as input failed\n"); + + ret = gpio_get_value(7); + if (ret < 0) + panic("gpio: get BMS pin state failed\n"); + + gpio_free(7); + + if (ret == 0) { + /* BMS is _not_ set, do the EEPROM check */ + ret = tricorder_get_eeprom(0x51, eeprom); + if (!ret) { + if (strncmp(eeprom->board_name, "CS10411", 7) != 0) + panic("Wrong board name '%.*s'\n", + sizeof(eeprom->board_name), + eeprom->board_name); + if (eeprom->board_version[0] < 'D') + panic("Wrong board version '%.*s'\n", + sizeof(eeprom->board_version), + eeprom->board_version); + } else { + panic("Could not get board revision\n"); + } + } else { + memset(eeprom, 0, TRICORDER_EEPROM_SIZE); + } +} + +/** + * print_hwversion - print out a HW version string + * + * @eeprom - pointer to the eeprom + */ +static void print_hwversion(struct tricorder_eeprom *eeprom) +{ + size_t len; + if (!eeprom) + panic("No eeprom given!"); + + printf("Board %.*s:%.*s serial %.*s", + sizeof(eeprom->board_name), eeprom->board_name, + sizeof(eeprom->board_version), eeprom->board_version, + sizeof(eeprom->board_serial), eeprom->board_serial); + + len = strnlen(eeprom->interface_version, + sizeof(eeprom->interface_version)); + if (len > 0) + printf(" HW interface version %.*s", + sizeof(eeprom->interface_version), + eeprom->interface_version); + puts("\n"); +} + /* * Routine: misc_init_r * Description: Configure board specific parts */ int misc_init_r(void) { + struct tricorder_eeprom eeprom; + get_eeprom(&eeprom); + print_hwversion(&eeprom); + twl4030_power_init(); -#ifdef CONFIG_TWL4030_LED - twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON); -#endif + status_led_set(0, CONFIG_LED_STATUS_ON); + status_led_set(1, CONFIG_LED_STATUS_ON); + status_led_set(2, CONFIG_LED_STATUS_ON); - dieid_num_r(); + omap_die_id_display(); return 0; } @@ -77,10 +139,17 @@ void set_muxconf_regs(void) MUX_TRICORDER(); } -#if defined(CONFIG_GENERIC_MMC) && !(defined(CONFIG_SPL_BUILD)) +#if defined(CONFIG_MMC) int board_mmc_init(bd_t *bis) { - return omap_mmc_init(0, 0, 0); + return omap_mmc_init(0, 0, 0, -1, -1); +} +#endif + +#if defined(CONFIG_MMC) +void board_mmc_power_init(void) +{ + twl4030_power_mmc_init(0); } #endif @@ -93,12 +162,43 @@ int board_mmc_init(bd_t *bis) */ void get_board_mem_timings(struct board_sdrc_timings *timings) { + struct tricorder_eeprom eeprom; + get_eeprom(&eeprom); + /* General SDRC config */ - timings->mcfg = MICRON_V_MCFG_165(128 << 20); - timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; + if (eeprom.board_version[0] > 'D') { + /* use optimized timings for our SDRAM device */ + timings->mcfg = MCFG((256 << 20), 14); +#define MT46H64M32_TDAL 6 /* Twr/Tck + Trp/tck */ + /* 15/6 + 18/6 = 5.5 -> 6 */ +#define MT46H64M32_TDPL 3 /* 15/6 = 2.5 -> 3 (Twr) */ +#define MT46H64M32_TRRD 2 /* 12/6 = 2 */ +#define MT46H64M32_TRCD 3 /* 18/6 = 3 */ +#define MT46H64M32_TRP 3 /* 18/6 = 3 */ +#define MT46H64M32_TRAS 7 /* 42/6 = 7 */ +#define MT46H64M32_TRC 10 /* 60/6 = 10 */ +#define MT46H64M32_TRFC 12 /* 72/6 = 12 */ + timings->ctrla = ACTIM_CTRLA(MT46H64M32_TRFC, MT46H64M32_TRC, + MT46H64M32_TRAS, MT46H64M32_TRP, + MT46H64M32_TRCD, MT46H64M32_TRRD, + MT46H64M32_TDPL, + MT46H64M32_TDAL); + +#define MT46H64M32_TWTR 1 +#define MT46H64M32_TCKE 1 +#define MT46H64M32_XSR 19 /* 112.5/6 = 18.75 => ~19 */ +#define MT46H64M32_TXP 1 + timings->ctrlb = ACTIM_CTRLB(MT46H64M32_TWTR, MT46H64M32_TCKE, + MT46H64M32_TXP, MT46H64M32_XSR); - /* AC timings */ - timings->ctrla = MICRON_V_ACTIMA_165; - timings->ctrlb = MICRON_V_ACTIMB_165; - timings->mr = MICRON_V_MR_165; + timings->mr = MICRON_V_MR_165; + timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; + } else { + /* use conservative beagleboard timings as default */ + timings->mcfg = MICRON_V_MCFG_165(128 << 20); + timings->ctrla = MICRON_V_ACTIMA_165; + timings->ctrlb = MICRON_V_ACTIMB_165; + timings->mr = MICRON_V_MR_165; + timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; + } }