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ARM: uniphier: rework DRAM size handling in UMC init code

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Currently, DRAM size is converted twice:
  size in byte -> size in Gbit -> enum

Optimize the code by converting the "size in byte" into enum directly.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2016-02-26 14:21:50 +09:00
parent 9a71844a38
commit fd14397e93
2 changed files with 15 additions and 15 deletions
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14
arch/arm/mach-uniphier/dram/umc-ph1-ld4.c
View File

@ -76,7 +76,7 @@ static void umc_start_ssif(void __iomem *ssif_base)
}
static int umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base,
int size, int freq, bool ddr3plus)
int freq, unsigned long size, bool ddr3plus)
{
enum dram_freq freq_e;
enum dram_size size_e;
@ -101,14 +101,14 @@ static int umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base,
switch (size) {
case 0:
return 0;
case 1:
case SZ_128M:
size_e = DRAM_SZ_128M;
break;
case 2:
case SZ_256M:
size_e = DRAM_SZ_256M;
break;
default:
pr_err("unsupported DRAM size\n");
pr_err("unsupported DRAM size 0x%08lx\n", size);
return -EINVAL;
}
@ -140,7 +140,7 @@ static int umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base,
}
static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base,
int freq, int size, bool ddr3plus, int ch)
int freq, unsigned long size, bool ddr3plus, int ch)
{
void __iomem *phy_base = dc_base + 0x00001000;
int ret;
@ -159,7 +159,7 @@ static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base,
if (ret)
return ret;
return umc_dramcont_init(dc_base, ca_base, size, freq, ddr3plus);
return umc_dramcont_init(dc_base, ca_base, freq, size, ddr3plus);
}
int ph1_ld4_umc_init(const struct uniphier_board_data *bd)
@ -172,7 +172,7 @@ int ph1_ld4_umc_init(const struct uniphier_board_data *bd)
for (ch = 0; ch < DRAM_CH_NR; ch++) {
ret = umc_ch_init(dc_base, ca_base, bd->dram_freq,
bd->dram_ch[ch].size / SZ_128M,
bd->dram_ch[ch].size,
bd->dram_ddr3plus, ch);
if (ret) {
pr_err("failed to initialize UMC ch%d\n", ch);

16
arch/arm/mach-uniphier/dram/umc-ph1-sld8.c
View File

@ -79,7 +79,7 @@ static void umc_start_ssif(void __iomem *ssif_base)
}
static int umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base,
int size, int freq, bool ddr3plus)
int freq, unsigned long size, bool ddr3plus)
{
enum dram_freq freq_e;
enum dram_size size_e;
@ -99,17 +99,17 @@ static int umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base,
switch (size) {
case 0:
return 0;
case 1:
case SZ_128M:
size_e = DRAM_SZ_128M;
break;
case 2:
case SZ_256M:
size_e = DRAM_SZ_256M;
break;
case 4:
case SZ_512M:
size_e = DRAM_SZ_512M;
break;
default:
pr_err("unsupported DRAM size\n");
pr_err("unsupported DRAM size 0x%08lx\n", size);
return -EINVAL;
}
@ -143,7 +143,7 @@ static int umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base,
}
static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base,
int freq, int size, bool ddr3plus, int ch)
int freq, unsigned long size, bool ddr3plus, int ch)
{
void __iomem *phy_base = dc_base + 0x00001000;
int ret;
@ -162,7 +162,7 @@ static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base,
if (ret)
return ret;
return umc_dramcont_init(dc_base, ca_base, size, freq, ddr3plus);
return umc_dramcont_init(dc_base, ca_base, freq, size, ddr3plus);
}
int ph1_sld8_umc_init(const struct uniphier_board_data *bd)
@ -175,7 +175,7 @@ int ph1_sld8_umc_init(const struct uniphier_board_data *bd)
for (ch = 0; ch < DRAM_CH_NR; ch++) {
ret = umc_ch_init(dc_base, ca_base, bd->dram_freq,
bd->dram_ch[ch].size / SZ_128M,
bd->dram_ch[ch].size,
bd->dram_ddr3plus, ch);
if (ret) {
pr_err("failed to initialize UMC ch%d\n", ch);