diff options
Diffstat (limited to 'cpu/arm_cortexa8/omap3/sys_info.c')
-rw-r--r-- | cpu/arm_cortexa8/omap3/sys_info.c | 299 |
1 files changed, 0 insertions, 299 deletions
diff --git a/cpu/arm_cortexa8/omap3/sys_info.c b/cpu/arm_cortexa8/omap3/sys_info.c deleted file mode 100644 index 08fb32eaae..0000000000 --- a/cpu/arm_cortexa8/omap3/sys_info.c +++ /dev/null @@ -1,299 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments, <www.ti.com> - * - * Author : - * Manikandan Pillai <mani.pillai@ti.com> - * - * Derived from Beagle Board and 3430 SDP code by - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Mohammed Khasim <khasim@ti.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/io.h> -#include <asm/arch/mem.h> /* get mem tables */ -#include <asm/arch/sys_proto.h> -#include <i2c.h> - -extern omap3_sysinfo sysinfo; -static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE; -static struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; -static char *rev_s[CPU_3XX_MAX_REV] = { - "1.0", - "2.0", - "2.1", - "3.0", - "3.1"}; - -/***************************************************************** - * dieid_num_r(void) - read and set die ID - *****************************************************************/ -void dieid_num_r(void) -{ - struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE; - char *uid_s, die_id[34]; - u32 id[4]; - - memset(die_id, 0, sizeof(die_id)); - - uid_s = getenv("dieid#"); - - if (uid_s == NULL) { - id[3] = readl(&id_base->die_id_0); - id[2] = readl(&id_base->die_id_1); - id[1] = readl(&id_base->die_id_2); - id[0] = readl(&id_base->die_id_3); - sprintf(die_id, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]); - setenv("dieid#", die_id); - uid_s = die_id; - } - - printf("Die ID #%s\n", uid_s); -} - -/****************************************** - * get_cpu_type(void) - extract cpu info - ******************************************/ -u32 get_cpu_type(void) -{ - return readl(&ctrl_base->ctrl_omap_stat); -} - -/****************************************** - * get_cpu_rev(void) - extract version info - ******************************************/ -u32 get_cpu_rev(void) -{ - u32 cpuid = 0; - struct ctrl_id *id_base; - - /* - * On ES1.0 the IDCODE register is not exposed on L4 - * so using CPU ID to differentiate between ES1.0 and > ES1.0. - */ - __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid)); - if ((cpuid & 0xf) == 0x0) - return CPU_3XX_ES10; - else { - /* Decode the IDs on > ES1.0 */ - id_base = (struct ctrl_id *) OMAP34XX_ID_L4_IO_BASE; - - cpuid = (readl(&id_base->idcode) >> CPU_3XX_ID_SHIFT) & 0xf; - - /* Some early ES2.0 seem to report ID 0, fix this */ - if(cpuid == 0) - cpuid = CPU_3XX_ES20; - - return cpuid; - } -} - -/**************************************************** - * is_mem_sdr() - return 1 if mem type in use is SDR - ****************************************************/ -u32 is_mem_sdr(void) -{ - if (readl(&sdrc_base->cs[CS0].mr) == SDRC_MR_0_SDR) - return 1; - return 0; -} - -/*********************************************************************** - * get_cs0_size() - get size of chip select 0/1 - ************************************************************************/ -u32 get_sdr_cs_size(u32 cs) -{ - u32 size; - - /* get ram size field */ - size = readl(&sdrc_base->cs[cs].mcfg) >> 8; - size &= 0x3FF; /* remove unwanted bits */ - size <<= 21; /* multiply by 2 MiB to find size in MB */ - return size; -} - -/*********************************************************************** - * get_sdr_cs_offset() - get offset of cs from cs0 start - ************************************************************************/ -u32 get_sdr_cs_offset(u32 cs) -{ - u32 offset; - - if (!cs) - return 0; - - offset = readl(&sdrc_base->cs_cfg); - offset = (offset & 15) << 27 | (offset & 0x30) >> 17; - - return offset; -} - -/*************************************************************************** - * get_gpmc0_base() - Return current address hardware will be - * fetching from. The below effectively gives what is correct, its a bit - * mis-leading compared to the TRM. For the most general case the mask - * needs to be also taken into account this does work in practice. - * - for u-boot we currently map: - * -- 0 to nothing, - * -- 4 to flash - * -- 8 to enent - * -- c to wifi - ****************************************************************************/ -u32 get_gpmc0_base(void) -{ - u32 b; - - b = readl(&gpmc_cfg->cs[0].config7); - b &= 0x1F; /* keep base [5:0] */ - b = b << 24; /* ret 0x0b000000 */ - return b; -} - -/******************************************************************* - * get_gpmc0_width() - See if bus is in x8 or x16 (mainly for nand) - *******************************************************************/ -u32 get_gpmc0_width(void) -{ - return WIDTH_16BIT; -} - -/************************************************************************* - * get_board_rev() - setup to pass kernel board revision information - * returns:(bit[0-3] sub version, higher bit[7-4] is higher version) - *************************************************************************/ -u32 get_board_rev(void) -{ - return 0x20; -} - -/******************************************************** - * get_base(); get upper addr of current execution - *******************************************************/ -u32 get_base(void) -{ - u32 val; - - __asm__ __volatile__("mov %0, pc \n":"=r"(val)::"memory"); - val &= 0xF0000000; - val >>= 28; - return val; -} - -/******************************************************** - * is_running_in_flash() - tell if currently running in - * FLASH. - *******************************************************/ -u32 is_running_in_flash(void) -{ - if (get_base() < 4) - return 1; /* in FLASH */ - - return 0; /* running in SRAM or SDRAM */ -} - -/******************************************************** - * is_running_in_sram() - tell if currently running in - * SRAM. - *******************************************************/ -u32 is_running_in_sram(void) -{ - if (get_base() == 4) - return 1; /* in SRAM */ - - return 0; /* running in FLASH or SDRAM */ -} - -/******************************************************** - * is_running_in_sdram() - tell if currently running in - * SDRAM. - *******************************************************/ -u32 is_running_in_sdram(void) -{ - if (get_base() > 4) - return 1; /* in SDRAM */ - - return 0; /* running in SRAM or FLASH */ -} - -/*************************************************************** - * get_boot_type() - Is this an XIP type device or a stream one - * bits 4-0 specify type. Bit 5 says mem/perif - ***************************************************************/ -u32 get_boot_type(void) -{ - return (readl(&ctrl_base->status) & SYSBOOT_MASK); -} - -/************************************************************* - * get_device_type(): tell if GP/HS/EMU/TST - *************************************************************/ -u32 get_device_type(void) -{ - return ((readl(&ctrl_base->status) & (DEVICE_MASK)) >> 8); -} - -#ifdef CONFIG_DISPLAY_CPUINFO -/** - * Print CPU information - */ -int print_cpuinfo (void) -{ - char *cpu_s, *sec_s; - - switch (get_cpu_type()) { - case OMAP3503: - cpu_s = "3503"; - break; - case OMAP3515: - cpu_s = "3515"; - break; - case OMAP3525: - cpu_s = "3525"; - break; - case OMAP3530: - cpu_s = "3530"; - break; - default: - cpu_s = "35XX"; - break; - } - - switch (get_device_type()) { - case TST_DEVICE: - sec_s = "TST"; - break; - case EMU_DEVICE: - sec_s = "EMU"; - break; - case HS_DEVICE: - sec_s = "HS"; - break; - case GP_DEVICE: - sec_s = "GP"; - break; - default: - sec_s = "?"; - } - - printf("OMAP%s-%s ES%s, CPU-OPP2 L3-165MHz\n", - cpu_s, sec_s, rev_s[get_cpu_rev()]); - - return 0; -} -#endif /* CONFIG_DISPLAY_CPUINFO */ |