diff options
Diffstat (limited to 'arch/arm/mach-samsung/mem-s3c24x0.c')
-rw-r--r-- | arch/arm/mach-samsung/mem-s3c24x0.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/arch/arm/mach-samsung/mem-s3c24x0.c b/arch/arm/mach-samsung/mem-s3c24x0.c deleted file mode 100644 index 8d20f6d102..0000000000 --- a/arch/arm/mach-samsung/mem-s3c24x0.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * 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. - * - */ -/** - * @file - * @brief Basic clock, sdram and timer handling for S3C24xx CPUs - */ - -#include <config.h> -#include <common.h> -#include <init.h> -#include <clock.h> -#include <io.h> -#include <linux/sizes.h> -#include <mach/s3c-iomap.h> -#include <mach/s3c-generic.h> -#include <mach/s3c-busctl.h> -#include <mach/s3c24xx-gpio.h> - -/** - * Calculate the amount of connected and available memory - * @return Memory size in bytes - */ -uint32_t s3c24xx_get_memory_size(void) -{ - uint32_t reg, size; - - /* - * detect the current memory size - */ - reg = readl(S3C_BANKSIZE); - - switch (reg & 0x7) { - case 0: - size = SZ_32M; - break; - case 1: - size = SZ_64M; - break; - case 2: - size = SZ_128M; - break; - case 4: - size = SZ_2M; - break; - case 5: - size = SZ_4M; - break; - case 6: - size = SZ_8M; - break; - default: - size = SZ_16M; - break; - } - - /* - * Is bank7 also configured for SDRAM usage? - */ - if ((readl(S3C_BANKCON7) & (0x3 << 15)) == (0x3 << 15)) - size <<= 1; /* also count this bank */ - - return size; -} - -void s3c24xx_disable_second_sdram_bank(void) -{ - writel(readl(S3C_BANKCON7) & ~(0x3 << 15), S3C_BANKCON7); - writel(readl(S3C_MISCCR) | (1 << 18), S3C_MISCCR); /* disable its clock */ -} |