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ARM: uniphier: rework struct uniphier_board_data 

This commit reworks "struct uniphier_board_data" with an array of
DRAM channel data in it.  It will allow further cleanups by means of
"for" statements that iterate over the DDR channels.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
utp
Masahiro Yamada 2016-02-26 14:21:34 +09:00
parent 8353266825
commit 46abfcc99e
11 changed files with 161 additions and 114 deletions
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2
arch/arm/mach-uniphier/bcu/bcu-ph1-ld4.c
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@ -22,7 +22,7 @@ int ph1_ld4_bcu_init(const struct uniphier_board_data *bd)
writel(0x11111111, BCSCR5); /* 0xe0000000-0Xffffffff: IPPC/IPPD-bus */
/* Specify DDR channel */
shift = (bd->dram_ch1_base - bd->dram_ch0_base) / 0x04000000 * 4;
shift = (bd->dram_ch[1].base - bd->dram_ch[0].base) / 0x04000000 * 4;
writel(ch(shift), BCIPPCCHR2); /* 0x80000000-0x9fffffff */
shift -= 32;

2
arch/arm/mach-uniphier/bcu/bcu-ph1-sld3.c
View File

@ -26,7 +26,7 @@ int ph1_sld3_bcu_init(const struct uniphier_board_data *bd)
writel(0x24440000, BCSCR5);
/* Specify DDR channel */
shift = (bd->dram_ch1_base - bd->dram_ch0_base) / 0x04000000 * 4;
shift = (bd->dram_ch[1].base - bd->dram_ch[0].base) / 0x04000000 * 4;
writel(ch(shift), BCIPPCCHR2); /* 0x80000000-0x9fffffff */
shift -= 32;

176
arch/arm/mach-uniphier/boards.c
View File

@ -14,106 +14,152 @@ DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD3)
static const struct uniphier_board_data ph1_sld3_data = {
.dram_ch0_base = 0x80000000,
.dram_ch0_size = 0x20000000,
.dram_ch0_width = 32,
.dram_ch1_base = 0xc0000000,
.dram_ch1_size = 0x20000000,
.dram_ch1_width = 16,
.dram_ch2_base = 0xc0000000,
.dram_ch2_size = 0x10000000,
.dram_ch2_width = 16,
.dram_freq = 1600,
.dram_freq = 1600,
.dram_nr_ch = 3,
.dram_ch[0] = {
.base = 0x80000000,
.size = 0x20000000,
.width = 32,
},
.dram_ch[1] = {
.base = 0xc0000000,
.size = 0x20000000,
.width = 16,
},
.dram_ch[2] = {
.base = 0xc0000000,
.size = 0x10000000,
.width = 16,
},
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PH1_LD4)
static const struct uniphier_board_data ph1_ld4_data = {
.dram_ch0_base = 0x80000000,
.dram_ch0_size = 0x10000000,
.dram_ch0_width = 16,
.dram_ch1_base = 0x90000000,
.dram_ch1_size = 0x10000000,
.dram_ch1_width = 16,
.dram_freq = 1600,
.dram_freq = 1600,
.dram_nr_ch = 2,
.dram_ch[0] = {
.base = 0x80000000,
.size = 0x10000000,
.width = 16,
},
.dram_ch[1] = {
.base = 0x90000000,
.size = 0x10000000,
.width = 16,
},
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO4)
/* 1GB RAM board */
static const struct uniphier_board_data ph1_pro4_data = {
.dram_ch0_base = 0x80000000,
.dram_ch0_size = 0x20000000,
.dram_ch0_width = 32,
.dram_ch1_base = 0xa0000000,
.dram_ch1_size = 0x20000000,
.dram_ch1_width = 32,
.dram_freq = 1600,
.dram_freq = 1600,
.dram_nr_ch = 2,
.dram_ch[0] = {
.base = 0x80000000,
.size = 0x20000000,
.width = 32,
},
.dram_ch[1] = {
.base = 0xa0000000,
.size = 0x20000000,
.width = 32,
},
};
/* 2GB RAM board */
static const struct uniphier_board_data ph1_pro4_2g_data = {
.dram_ch0_base = 0x80000000,
.dram_ch0_size = 0x40000000,
.dram_ch0_width = 32,
.dram_ch1_base = 0xc0000000,
.dram_ch1_size = 0x40000000,
.dram_ch1_width = 32,
.dram_freq = 1600,
.dram_freq = 1600,
.dram_nr_ch = 2,
.dram_ch[0] = {
.base = 0x80000000,
.size = 0x40000000,
.width = 32,
},
.dram_ch[1] = {
.base = 0xc0000000,
.size = 0x40000000,
.width = 32,
},
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD8)
static const struct uniphier_board_data ph1_sld8_data = {
.dram_ch0_base = 0x80000000,
.dram_ch0_size = 0x10000000,
.dram_ch0_width = 16,
.dram_ch1_base = 0x90000000,
.dram_ch1_size = 0x10000000,
.dram_ch1_width = 16,
.dram_freq = 1333,
.dram_freq = 1333,
.dram_nr_ch = 2,
.dram_ch[0] = {
.base = 0x80000000,
.size = 0x10000000,
.width = 16,
},
.dram_ch[1] = {
.base = 0x90000000,
.size = 0x10000000,
.width = 16,
},
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO5)
static const struct uniphier_board_data ph1_pro5_data = {
.dram_ch0_base = 0x80000000,
.dram_ch0_size = 0x20000000,
.dram_ch0_width = 32,
.dram_ch1_base = 0xa0000000,
.dram_ch1_size = 0x20000000,
.dram_ch1_width = 32,
.dram_freq = 1866,
.dram_freq = 1866,
.dram_nr_ch = 2,
.dram_ch[0] = {
.base = 0x80000000,
.size = 0x20000000,
.width = 32,
},
.dram_ch[1] = {
.base = 0xa0000000,
.size = 0x20000000,
.width = 32,
},
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PROXSTREAM2)
static const struct uniphier_board_data proxstream2_data = {
.dram_ch0_base = 0x80000000,
.dram_ch0_size = 0x40000000,
.dram_ch0_width = 32,
.dram_ch1_base = 0xc0000000,
.dram_ch1_size = 0x20000000,
.dram_ch1_width = 32,
.dram_ch2_base = 0xe0000000,
.dram_ch2_size = 0x20000000,
.dram_ch2_width = 16,
.dram_freq = 2133,
.dram_freq = 2133,
.dram_nr_ch = 3,
.dram_ch[0] = {
.base = 0x80000000,
.size = 0x40000000,
.width = 32,
},
.dram_ch[1] = {
.base = 0xc0000000,
.size = 0x20000000,
.width = 32,
},
.dram_ch[2] = {
.base = 0xe0000000,
.size = 0x20000000,
.width = 16,
},
};
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PH1_LD6B)
static const struct uniphier_board_data ph1_ld6b_data = {
.dram_ch0_base = 0x80000000,
.dram_ch0_size = 0x40000000,
.dram_ch0_width = 32,
.dram_ch1_base = 0xc0000000,
.dram_ch1_size = 0x20000000,
.dram_ch1_width = 32,
.dram_ch2_base = 0xe0000000,
.dram_ch2_size = 0x20000000,
.dram_ch2_width = 16,
.dram_freq = 1866,
.dram_freq = 1866,
.dram_nr_ch = 3,
.dram_ch[0] = {
.base = 0x80000000,
.size = 0x40000000,
.width = 32,
},
.dram_ch[1] = {
.base = 0xc0000000,
.size = 0x20000000,
.width = 32,
},
.dram_ch[2] = {
.base = 0xe0000000,
.size = 0x20000000,
.width = 16,
},
};
#endif

10
arch/arm/mach-uniphier/dram/umc-ph1-ld4.c
View File

@ -162,13 +162,13 @@ static int umc_init_sub(int freq, int size_ch0, int size_ch1)
int ph1_ld4_umc_init(const struct uniphier_board_data *bd)
{
if ((bd->dram_ch0_size == SZ_128M || bd->dram_ch0_size == SZ_256M) &&
(bd->dram_ch1_size == SZ_128M || bd->dram_ch1_size == SZ_256M) &&
if ((bd->dram_ch[0].size == SZ_128M || bd->dram_ch[0].size == SZ_256M) &&
(bd->dram_ch[1].size == SZ_128M || bd->dram_ch[1].size == SZ_256M) &&
(bd->dram_freq == 1333 || bd->dram_freq == 1600) &&
bd->dram_ch0_width == 16 && bd->dram_ch1_width == 16) {
bd->dram_ch[0].width == 16 && bd->dram_ch[1].width == 16) {
return umc_init_sub(bd->dram_freq,
bd->dram_ch0_size / SZ_128M,
bd->dram_ch1_size / SZ_128M);
bd->dram_ch[0].size / SZ_128M,
bd->dram_ch[1].size / SZ_128M);
} else {
pr_err("Unsupported DDR configuration\n");
return -EINVAL;

16
arch/arm/mach-uniphier/dram/umc-ph1-pro4.c
View File

@ -146,39 +146,39 @@ int ph1_pro4_umc_init(const struct uniphier_board_data *bd)
writel(0x00000101, dramcont0 + UMC_DIOCTLA);
ph1_pro4_ddrphy_init(phy0_0, bd->dram_freq, bd->dram_ch0_size);
ph1_pro4_ddrphy_init(phy0_0, bd->dram_freq, bd->dram_ch[0].size);
ddrphy_prepare_training(phy0_0, 0);
ddrphy_training(phy0_0);
writel(0x00000103, dramcont0 + UMC_DIOCTLA);
ph1_pro4_ddrphy_init(phy0_1, bd->dram_freq, bd->dram_ch0_size);
ph1_pro4_ddrphy_init(phy0_1, bd->dram_freq, bd->dram_ch[0].size);
ddrphy_prepare_training(phy0_1, 1);
ddrphy_training(phy0_1);
writel(0x00000101, dramcont1 + UMC_DIOCTLA);
ph1_pro4_ddrphy_init(phy1_0, bd->dram_freq, bd->dram_ch1_size);
ph1_pro4_ddrphy_init(phy1_0, bd->dram_freq, bd->dram_ch[1].size);
ddrphy_prepare_training(phy1_0, 0);
ddrphy_training(phy1_0);
writel(0x00000103, dramcont1 + UMC_DIOCTLA);
ph1_pro4_ddrphy_init(phy1_1, bd->dram_freq, bd->dram_ch1_size);
ph1_pro4_ddrphy_init(phy1_1, bd->dram_freq, bd->dram_ch[1].size);
ddrphy_prepare_training(phy1_1, 1);
ddrphy_training(phy1_1);
ret = umc_dramcont_init(dramcont0, ca_base0, bd->dram_ch0_size,
bd->dram_ch0_width);
ret = umc_dramcont_init(dramcont0, ca_base0, bd->dram_ch[0].size,
bd->dram_ch[0].width);
if (ret)
return ret;
ret = umc_dramcont_init(dramcont1, ca_base1, bd->dram_ch1_size,
bd->dram_ch1_width);
ret = umc_dramcont_init(dramcont1, ca_base1, bd->dram_ch[1].size,
bd->dram_ch[1].width);
if (ret)
return ret;

10
arch/arm/mach-uniphier/dram/umc-ph1-sld8.c
View File

@ -142,13 +142,13 @@ static int umc_init_sub(int freq, int size_ch0, int size_ch1)
int ph1_sld8_umc_init(const struct uniphier_board_data *bd)
{
if ((bd->dram_ch0_size == SZ_128M || bd->dram_ch0_size == SZ_256M) &&
(bd->dram_ch1_size == SZ_128M || bd->dram_ch1_size == SZ_256M) &&
if ((bd->dram_ch[0].size == SZ_128M || bd->dram_ch[0].size == SZ_256M) &&
(bd->dram_ch[1].size == SZ_128M || bd->dram_ch[1].size == SZ_256M) &&
bd->dram_freq == 1333 &&
bd->dram_ch0_width == 16 && bd->dram_ch1_width == 16) {
bd->dram_ch[0].width == 16 && bd->dram_ch[1].width == 16) {
return umc_init_sub(bd->dram_freq,
bd->dram_ch0_size / SZ_128M,
bd->dram_ch1_size / SZ_128M);
bd->dram_ch[0].size / SZ_128M,
bd->dram_ch[1].size / SZ_128M);
} else {
pr_err("Unsupported DDR configuration\n");
return -EINVAL;

12
arch/arm/mach-uniphier/dram/umc-proxstream2.c
View File

@ -603,22 +603,22 @@ int proxstream2_umc_init(const struct uniphier_board_data *bd)
return -EINVAL;
}
ret = umc_init(umc_ch0_base, freq, 0, bd->dram_ch0_size / SZ_256M,
bd->dram_ch0_width);
ret = umc_init(umc_ch0_base, freq, 0, bd->dram_ch[0].size / SZ_256M,
bd->dram_ch[0].width);
if (ret) {
printf("failed to initialize UMC ch0\n");
return ret;
}
ret = umc_init(umc_ch1_base, freq, 1, bd->dram_ch1_size / SZ_256M,
bd->dram_ch1_width);
ret = umc_init(umc_ch1_base, freq, 1, bd->dram_ch[1].size / SZ_256M,
bd->dram_ch[1].width);
if (ret) {
printf("failed to initialize UMC ch1\n");
return ret;
}
ret = umc_init(umc_ch2_base, freq, 2, bd->dram_ch2_size / SZ_256M,
bd->dram_ch2_width);
ret = umc_init(umc_ch2_base, freq, 2, bd->dram_ch[2].size / SZ_256M,
bd->dram_ch[2].width);
if (ret) {
printf("failed to initialize UMC ch2\n");
return ret;

21
arch/arm/mach-uniphier/init.h
View File

@ -7,17 +7,18 @@
#ifndef __MACH_INIT_H
#define __MACH_INIT_H
#define UNIPHIER_MAX_NR_DRAM_CH 3
struct uniphier_dram_ch {
unsigned long base;
unsigned long size;
unsigned int width;
};
struct uniphier_board_data {
unsigned long dram_ch0_base;
unsigned long dram_ch0_size;
unsigned long dram_ch0_width;
unsigned long dram_ch1_base;
unsigned long dram_ch1_size;
unsigned long dram_ch1_width;
unsigned long dram_ch2_base;
unsigned long dram_ch2_size;
unsigned long dram_ch2_width;
unsigned int dram_freq;
unsigned int dram_freq;
unsigned int dram_nr_ch;
struct uniphier_dram_ch dram_ch[UNIPHIER_MAX_NR_DRAM_CH];
};
const struct uniphier_board_data *uniphier_get_board_param(void);

6
arch/arm/mach-uniphier/memconf/memconf-ph1-sld3.c
View File

@ -21,14 +21,14 @@ int ph1_sld3_memconf_init(const struct uniphier_board_data *bd)
tmp &= ~(SG_MEMCONF_CH2_SZ_MASK | SG_MEMCONF_CH2_NUM_MASK);
switch (bd->dram_ch2_width) {
switch (bd->dram_ch[2].width) {
case 16:
tmp |= SG_MEMCONF_CH2_NUM_1;
size_per_word = bd->dram_ch2_size;
size_per_word = bd->dram_ch[2].size;
break;
case 32:
tmp |= SG_MEMCONF_CH2_NUM_2;
size_per_word = bd->dram_ch2_size >> 1;
size_per_word = bd->dram_ch[2].size >> 1;
break;
default:
pr_err("error: unsupported DRAM Ch2 width\n");

6
arch/arm/mach-uniphier/memconf/memconf-proxstream2.c
View File

@ -21,14 +21,14 @@ int proxstream2_memconf_init(const struct uniphier_board_data *bd)
tmp &= ~(SG_MEMCONF_CH2_SZ_MASK | SG_MEMCONF_CH2_NUM_MASK);
switch (bd->dram_ch2_width) {
switch (bd->dram_ch[2].width) {
case 16:
tmp |= SG_MEMCONF_CH2_NUM_1;
size_per_word = bd->dram_ch2_size;
size_per_word = bd->dram_ch[2].size;
break;
case 32:
tmp |= SG_MEMCONF_CH2_NUM_2;
size_per_word = bd->dram_ch2_size >> 1;
size_per_word = bd->dram_ch[2].size >> 1;
break;
default:
pr_err("error: unsupported DRAM Ch2 width\n");

14
arch/arm/mach-uniphier/memconf/memconf.c
View File

@ -21,14 +21,14 @@ int memconf_init(const struct uniphier_board_data *bd)
tmp &= ~(SG_MEMCONF_CH0_SZ_MASK | SG_MEMCONF_CH0_NUM_MASK);
switch (bd->dram_ch0_width) {
switch (bd->dram_ch[0].width) {
case 16:
tmp |= SG_MEMCONF_CH0_NUM_1;
size_per_word = bd->dram_ch0_size;
size_per_word = bd->dram_ch[0].size;
break;
case 32:
tmp |= SG_MEMCONF_CH0_NUM_2;
size_per_word = bd->dram_ch0_size >> 1;
size_per_word = bd->dram_ch[0].size >> 1;
break;
default:
pr_err("error: unsupported DRAM Ch0 width\n");
@ -59,14 +59,14 @@ int memconf_init(const struct uniphier_board_data *bd)
tmp &= ~(SG_MEMCONF_CH1_SZ_MASK | SG_MEMCONF_CH1_NUM_MASK);
switch (bd->dram_ch1_width) {
switch (bd->dram_ch[1].width) {
case 16:
tmp |= SG_MEMCONF_CH1_NUM_1;
size_per_word = bd->dram_ch1_size;
size_per_word = bd->dram_ch[1].size;
break;
case 32:
tmp |= SG_MEMCONF_CH1_NUM_2;
size_per_word = bd->dram_ch1_size >> 1;
size_per_word = bd->dram_ch[1].size >> 1;
break;
default:
pr_err("error: unsupported DRAM Ch1 width\n");
@ -94,7 +94,7 @@ int memconf_init(const struct uniphier_board_data *bd)
return -EINVAL;
}
if (bd->dram_ch0_base + bd->dram_ch0_size < bd->dram_ch1_base)
if (bd->dram_ch[0].base + bd->dram_ch[0].size < bd->dram_ch[1].base)
tmp |= SG_MEMCONF_SPARSEMEM;
else
tmp &= ~SG_MEMCONF_SPARSEMEM;