diff options
Diffstat (limited to 'arch/arm/mach-uniphier/memconf.c')
-rw-r--r-- | arch/arm/mach-uniphier/memconf.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/arch/arm/mach-uniphier/memconf.c b/arch/arm/mach-uniphier/memconf.c deleted file mode 100644 index 59ed0b5..0000000 --- a/arch/arm/mach-uniphier/memconf.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <linux/sizes.h> -#include <linux/io.h> -#include <mach/sg-regs.h> - -static inline u32 sg_memconf_val_ch0(unsigned long size, int num) -{ - int size_mb = size / num; - u32 ret; - - switch (size_mb) { - case SZ_64M: - ret = SG_MEMCONF_CH0_SZ_64M; - break; - case SZ_128M: - ret = SG_MEMCONF_CH0_SZ_128M; - break; - case SZ_256M: - ret = SG_MEMCONF_CH0_SZ_256M; - break; - case SZ_512M: - ret = SG_MEMCONF_CH0_SZ_512M; - break; - case SZ_1G: - ret = SG_MEMCONF_CH0_SZ_1G; - break; - default: - BUG(); - break; - } - - switch (num) { - case 1: - ret |= SG_MEMCONF_CH0_NUM_1; - break; - case 2: - ret |= SG_MEMCONF_CH0_NUM_2; - break; - default: - BUG(); - break; - } - return ret; -} - -static inline u32 sg_memconf_val_ch1(unsigned long size, int num) -{ - int size_mb = size / num; - u32 ret; - - switch (size_mb) { - case SZ_64M: - ret = SG_MEMCONF_CH1_SZ_64M; - break; - case SZ_128M: - ret = SG_MEMCONF_CH1_SZ_128M; - break; - case SZ_256M: - ret = SG_MEMCONF_CH1_SZ_256M; - break; - case SZ_512M: - ret = SG_MEMCONF_CH1_SZ_512M; - break; - case SZ_1G: - ret = SG_MEMCONF_CH1_SZ_1G; - break; - default: - BUG(); - break; - } - - switch (num) { - case 1: - ret |= SG_MEMCONF_CH1_NUM_1; - break; - case 2: - ret |= SG_MEMCONF_CH1_NUM_2; - break; - default: - BUG(); - break; - } - return ret; -} - -void memconf_init(void) -{ - u32 tmp; - - /* Set DDR size */ - tmp = sg_memconf_val_ch0(CONFIG_SDRAM0_SIZE, CONFIG_DDR_NUM_CH0); - tmp |= sg_memconf_val_ch1(CONFIG_SDRAM1_SIZE, CONFIG_DDR_NUM_CH1); -#if CONFIG_SDRAM0_BASE + CONFIG_SDRAM0_SIZE < CONFIG_SDRAM1_BASE - tmp |= SG_MEMCONF_SPARSEMEM; -#endif - writel(tmp, SG_MEMCONF); -} |