summaryrefslogtreecommitdiff
path: root/arch/arm/mach-uniphier/memconf/memconf-sld3.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-uniphier/memconf/memconf-sld3.c')
-rw-r--r--arch/arm/mach-uniphier/memconf/memconf-sld3.c60
1 files changed, 0 insertions, 60 deletions
diff --git a/arch/arm/mach-uniphier/memconf/memconf-sld3.c b/arch/arm/mach-uniphier/memconf/memconf-sld3.c
deleted file mode 100644
index 948f82c..0000000
--- a/arch/arm/mach-uniphier/memconf/memconf-sld3.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/sizes.h>
-
-#include "../init.h"
-#include "../sg-regs.h"
-
-int uniphier_sld3_memconf_init(const struct uniphier_board_data *bd)
-{
- u32 tmp;
- unsigned long size_per_word;
-
- tmp = readl(SG_MEMCONF);
-
- tmp &= ~(SG_MEMCONF_CH2_SZ_MASK | SG_MEMCONF_CH2_NUM_MASK);
-
- switch (bd->dram_ch[2].width) {
- case 16:
- tmp |= SG_MEMCONF_CH2_NUM_1;
- size_per_word = bd->dram_ch[2].size;
- break;
- case 32:
- tmp |= SG_MEMCONF_CH2_NUM_2;
- size_per_word = bd->dram_ch[2].size >> 1;
- break;
- default:
- pr_err("error: unsupported DRAM Ch2 width\n");
- return -EINVAL;
- }
-
- /* Set DDR size */
- switch (size_per_word) {
- case SZ_64M:
- tmp |= SG_MEMCONF_CH2_SZ_64M;
- break;
- case SZ_128M:
- tmp |= SG_MEMCONF_CH2_SZ_128M;
- break;
- case SZ_256M:
- tmp |= SG_MEMCONF_CH2_SZ_256M;
- break;
- case SZ_512M:
- tmp |= SG_MEMCONF_CH2_SZ_512M;
- break;
- default:
- pr_err("error: unsupported DRAM Ch2 size\n");
- return -EINVAL;
- }
-
- writel(tmp, SG_MEMCONF);
-
- return 0;
-}