diff options
Diffstat (limited to 'target/linux/realtek/files/arch/rlx/bsp/prom.c')
| -rw-r--r-- | target/linux/realtek/files/arch/rlx/bsp/prom.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/target/linux/realtek/files/arch/rlx/bsp/prom.c b/target/linux/realtek/files/arch/rlx/bsp/prom.c deleted file mode 100644 index 1580cc1fe..000000000 --- a/target/linux/realtek/files/arch/rlx/bsp/prom.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright (C) 2006, Realtek Semiconductor Corp. - * Copyright (C) 2013, Artur Artamonov (artur@advem.lv) - * - * 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. - * - - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <asm/bootinfo.h> -#include <asm/addrspace.h> -#include <asm/page.h> -#include <asm/cpu.h> - -#include <asm/rlxbsp.h> - -#include "bspchip.h" -#include "bspcpu.h" -#include "rlxhack.h" - -extern char arcs_cmdline[]; - -#ifdef CONFIG_EARLY_PRINTK -static int promcons_output __initdata = 0; - -void unregister_prom_console(void) -{ - if (promcons_output) { - promcons_output = 0; - } -} - -void disable_early_printk(void) - __attribute__ ((alias("unregister_prom_console"))); -#endif - - -const char *get_system_type(void) -{ -#if defined(CONFIG_RTL_8196C) - return "RTL8196C"; -#elif defined(CONFIG_RTL_819XD) - return "RTL819xD"; -#endif -} - -/* Do basic initialization */ -void __init bsp_init(void) -{ - u_long mem_size; - - /*user CMLLINE created by menuconfig*/ - /* - arcs_cmdline[0] = '\0'; - strcpy(arcs_cmdline, "console=ttyS0,38400"); - */ - -#if defined(CONFIG_RTL_819X) - #ifdef cpu_mem_size - mem_size = cpu_mem_size; - #elif defined(RTL_8198_NFBI_BOARD) - mem_size = ((7 << 20)-16); //reserve 16 byte for firmware header; - #endif - /*now: alway believe DRAM configuration register*/ - { - unsigned int DCRvalue = 0; - unsigned int bus_width = 0, chip_sel = 0, row_cnt = 0, col_cnt = 0,bank_cnt = 0; - - DCRvalue = ( (*(volatile unsigned int *)BSP_MC_MTCR0)); - - /*bit 19,0:2 bank; 1: 4 bank*/ - switch(DCRvalue & 0x080000) - { - case 0x0: - bank_cnt = 2; - break; - case 0x080000: - bank_cnt = 4; - break; - default: - bank_cnt = 0; - break; - } - - /*bit 22~24: colomn count*/ - switch(DCRvalue & 0x01C00000) - { - case 0x00000000: - col_cnt = 256; - break; - case 0x00400000: - col_cnt = 512; - break; - case 0x00800000: - col_cnt = 1024; - break; - case 0x00C00000: - col_cnt = 2048; - break; - case 0x01000000: - col_cnt = 4096; - break; - default: - printk("unknow colomn count(0x%x)\n",DCRvalue & 0x01C00000); - break; - } - - /*bit 25~26: row count*/ - switch(DCRvalue & 0x06000000) - { - case 0x00000000: - row_cnt = 2048; - break; - case 0x02000000: - row_cnt = 4096; - break; - case 0x04000000: - row_cnt = 8192; - break; - case 0x06000000: - row_cnt = 16384; - break; - default: - printk("unknow row count(0x%x)\n",DCRvalue & 0x06000000); - break; - } - - /*bit 27: chip select*/ - switch(DCRvalue & 0x08000000) - { - case 0x0: - chip_sel = 1; - break; - case 0x08000000: - chip_sel = 2; - break; - default: - printk("unknow chip select(0x%x)\n",DCRvalue & 0x08000000); - break; - } - - /*bit 28~29: bus width*/ - switch(DCRvalue & 0x30000000) - { - case 0x0: - bus_width = 8; - break; - case 0x10000000: - bus_width = 16; - break; - case 0x20000000: - bus_width = 32; - break; - default: - printk("bus width is reseved!\n"); - break; - } - - /*total size(Byte)*/ - if((REG32(0xb800100C)&0x40000000) == 0x40000000) - { - mem_size = (row_cnt * col_cnt *bank_cnt) * (bus_width >> 3) * chip_sel*2; - } - else - { - mem_size = (row_cnt * col_cnt *bank_cnt) * (bus_width >> 3) * chip_sel; - } - } -#else - mem_size = cpu_mem_size; -#endif - add_memory_region(0, mem_size, BOOT_MEM_RAM); -} - -void __init bsp_free_prom_memory(void) -{ - return; -} |