X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;ds=sidebyside;f=include%2Fconfigs%2FRPXlite.h;h=a28230a5d742f94a7cc75a3a8d589873d150e2bb;hb=cdb23792e864153b0c2b943bf011f10c7ba190e1;hp=563abea95e7c85eb21ef14867b4c754af268330c;hpb=a42c87f9d831c4eb36104255766cc7897876867c;p=platform%2Fkernel%2Fu-boot.git diff --git a/include/configs/RPXlite.h b/include/configs/RPXlite.h index 563abea..a28230a 100644 --- a/include/configs/RPXlite.h +++ b/include/configs/RPXlite.h @@ -2,23 +2,7 @@ * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ /* Yoo. Jonghoon, IPone, yooth@ipone.co.kr @@ -62,6 +46,36 @@ #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */ #define CONFIG_BZIP2 /* Include support for bzip2 compressed images */ + +/* enable I2C and select the hardware/software driver */ +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ +#define CONFIG_SYS_I2C_SOFT_SPEED 40000 /* 40 kHz is supposed to work */ +#define CONFIG_SYS_I2C_SOFT_SLAVE 0xFE +/* Software (bit-bang) I2C driver configuration */ +#define PB_SCL 0x00000020 /* PB 26 */ +#define PB_SDA 0x00000010 /* PB 27 */ + +#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) +#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) +#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) +#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) +#define I2C_SDA(bit) if (bit) \ + immr->im_cpm.cp_pbdat |= PB_SDA; \ + else \ + immr->im_cpm.cp_pbdat &= ~PB_SDA +#define I2C_SCL(bit) if (bit) \ + immr->im_cpm.cp_pbdat |= PB_SCL; \ + else \ + immr->im_cpm.cp_pbdat &= ~PB_SCL +#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ + +/* M41T11 Serial Access Timekeeper(R) SRAM */ +#define CONFIG_RTC_M41T11 1 +#define CONFIG_SYS_I2C_RTC_ADDR 0x68 +/* play along with the linux driver */ +#define CONFIG_SYS_M41T11_BASE_YEAR 1900 + #undef CONFIG_WATCHDOG /* watchdog disabled */ /* @@ -84,7 +98,6 @@ * Miscellaneous configurable options */ #define CONFIG_SYS_LONGHELP /* undef to save memory */ -#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ #if defined(CONFIG_CMD_KGDB) #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ #else @@ -101,8 +114,6 @@ #define CONFIG_SYS_LOAD_ADDR 0x400000 /* default load address */ -#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ - /* * Low Level Configuration Settings * (address mappings, register initial values, etc.)