Commit f19786f9 authored by Olof Johansson's avatar Olof Johansson

Merge tag 'samsung-drivers-4.8-2' of...

Merge tag 'samsung-drivers-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/drivers

Samsung drivers/soc update for v4.8, part 2:
1. Endian-friendly fixes.
2. Make SROMC driver explicitly non-module.

* tag 'samsung-drivers-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  cpufreq: s5pv210: use relaxed IO accesors
  memory: samsung: exynos-srom: make it explicitly non-modular
  memory: samsung: endian fixes for IO
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parents 7cd4837e 187364b6
...@@ -220,7 +220,7 @@ static void s5pv210_set_refresh(enum s5pv210_dmc_port ch, unsigned long freq) ...@@ -220,7 +220,7 @@ static void s5pv210_set_refresh(enum s5pv210_dmc_port ch, unsigned long freq)
tmp1 /= tmp; tmp1 /= tmp;
__raw_writel(tmp1, reg); writel_relaxed(tmp1, reg);
} }
static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index) static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index)
...@@ -301,29 +301,29 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index) ...@@ -301,29 +301,29 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index)
* 1. Temporary Change divider for MFC and G3D * 1. Temporary Change divider for MFC and G3D
* SCLKA2M(200/1=200)->(200/4=50)Mhz * SCLKA2M(200/1=200)->(200/4=50)Mhz
*/ */
reg = __raw_readl(S5P_CLK_DIV2); reg = readl_relaxed(S5P_CLK_DIV2);
reg &= ~(S5P_CLKDIV2_G3D_MASK | S5P_CLKDIV2_MFC_MASK); reg &= ~(S5P_CLKDIV2_G3D_MASK | S5P_CLKDIV2_MFC_MASK);
reg |= (3 << S5P_CLKDIV2_G3D_SHIFT) | reg |= (3 << S5P_CLKDIV2_G3D_SHIFT) |
(3 << S5P_CLKDIV2_MFC_SHIFT); (3 << S5P_CLKDIV2_MFC_SHIFT);
__raw_writel(reg, S5P_CLK_DIV2); writel_relaxed(reg, S5P_CLK_DIV2);
/* For MFC, G3D dividing */ /* For MFC, G3D dividing */
do { do {
reg = __raw_readl(S5P_CLKDIV_STAT0); reg = readl_relaxed(S5P_CLKDIV_STAT0);
} while (reg & ((1 << 16) | (1 << 17))); } while (reg & ((1 << 16) | (1 << 17)));
/* /*
* 2. Change SCLKA2M(200Mhz)to SCLKMPLL in MFC_MUX, G3D MUX * 2. Change SCLKA2M(200Mhz)to SCLKMPLL in MFC_MUX, G3D MUX
* (200/4=50)->(667/4=166)Mhz * (200/4=50)->(667/4=166)Mhz
*/ */
reg = __raw_readl(S5P_CLK_SRC2); reg = readl_relaxed(S5P_CLK_SRC2);
reg &= ~(S5P_CLKSRC2_G3D_MASK | S5P_CLKSRC2_MFC_MASK); reg &= ~(S5P_CLKSRC2_G3D_MASK | S5P_CLKSRC2_MFC_MASK);
reg |= (1 << S5P_CLKSRC2_G3D_SHIFT) | reg |= (1 << S5P_CLKSRC2_G3D_SHIFT) |
(1 << S5P_CLKSRC2_MFC_SHIFT); (1 << S5P_CLKSRC2_MFC_SHIFT);
__raw_writel(reg, S5P_CLK_SRC2); writel_relaxed(reg, S5P_CLK_SRC2);
do { do {
reg = __raw_readl(S5P_CLKMUX_STAT1); reg = readl_relaxed(S5P_CLKMUX_STAT1);
} while (reg & ((1 << 7) | (1 << 3))); } while (reg & ((1 << 7) | (1 << 3)));
/* /*
...@@ -335,19 +335,19 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index) ...@@ -335,19 +335,19 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index)
s5pv210_set_refresh(DMC1, 133000); s5pv210_set_refresh(DMC1, 133000);
/* 4. SCLKAPLL -> SCLKMPLL */ /* 4. SCLKAPLL -> SCLKMPLL */
reg = __raw_readl(S5P_CLK_SRC0); reg = readl_relaxed(S5P_CLK_SRC0);
reg &= ~(S5P_CLKSRC0_MUX200_MASK); reg &= ~(S5P_CLKSRC0_MUX200_MASK);
reg |= (0x1 << S5P_CLKSRC0_MUX200_SHIFT); reg |= (0x1 << S5P_CLKSRC0_MUX200_SHIFT);
__raw_writel(reg, S5P_CLK_SRC0); writel_relaxed(reg, S5P_CLK_SRC0);
do { do {
reg = __raw_readl(S5P_CLKMUX_STAT0); reg = readl_relaxed(S5P_CLKMUX_STAT0);
} while (reg & (0x1 << 18)); } while (reg & (0x1 << 18));
} }
/* Change divider */ /* Change divider */
reg = __raw_readl(S5P_CLK_DIV0); reg = readl_relaxed(S5P_CLK_DIV0);
reg &= ~(S5P_CLKDIV0_APLL_MASK | S5P_CLKDIV0_A2M_MASK | reg &= ~(S5P_CLKDIV0_APLL_MASK | S5P_CLKDIV0_A2M_MASK |
S5P_CLKDIV0_HCLK200_MASK | S5P_CLKDIV0_PCLK100_MASK | S5P_CLKDIV0_HCLK200_MASK | S5P_CLKDIV0_PCLK100_MASK |
...@@ -363,25 +363,25 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index) ...@@ -363,25 +363,25 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index)
(clkdiv_val[index][6] << S5P_CLKDIV0_HCLK133_SHIFT) | (clkdiv_val[index][6] << S5P_CLKDIV0_HCLK133_SHIFT) |
(clkdiv_val[index][7] << S5P_CLKDIV0_PCLK66_SHIFT)); (clkdiv_val[index][7] << S5P_CLKDIV0_PCLK66_SHIFT));
__raw_writel(reg, S5P_CLK_DIV0); writel_relaxed(reg, S5P_CLK_DIV0);
do { do {
reg = __raw_readl(S5P_CLKDIV_STAT0); reg = readl_relaxed(S5P_CLKDIV_STAT0);
} while (reg & 0xff); } while (reg & 0xff);
/* ARM MCS value changed */ /* ARM MCS value changed */
reg = __raw_readl(S5P_ARM_MCS_CON); reg = readl_relaxed(S5P_ARM_MCS_CON);
reg &= ~0x3; reg &= ~0x3;
if (index >= L3) if (index >= L3)
reg |= 0x3; reg |= 0x3;
else else
reg |= 0x1; reg |= 0x1;
__raw_writel(reg, S5P_ARM_MCS_CON); writel_relaxed(reg, S5P_ARM_MCS_CON);
if (pll_changing) { if (pll_changing) {
/* 5. Set Lock time = 30us*24Mhz = 0x2cf */ /* 5. Set Lock time = 30us*24Mhz = 0x2cf */
__raw_writel(0x2cf, S5P_APLL_LOCK); writel_relaxed(0x2cf, S5P_APLL_LOCK);
/* /*
* 6. Turn on APLL * 6. Turn on APLL
...@@ -389,12 +389,12 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index) ...@@ -389,12 +389,12 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index)
* 6-2. Wait untile the PLL is locked * 6-2. Wait untile the PLL is locked
*/ */
if (index == L0) if (index == L0)
__raw_writel(APLL_VAL_1000, S5P_APLL_CON); writel_relaxed(APLL_VAL_1000, S5P_APLL_CON);
else else
__raw_writel(APLL_VAL_800, S5P_APLL_CON); writel_relaxed(APLL_VAL_800, S5P_APLL_CON);
do { do {
reg = __raw_readl(S5P_APLL_CON); reg = readl_relaxed(S5P_APLL_CON);
} while (!(reg & (0x1 << 29))); } while (!(reg & (0x1 << 29)));
/* /*
...@@ -402,39 +402,39 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index) ...@@ -402,39 +402,39 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index)
* to SCLKA2M(200Mhz) in MFC_MUX and G3D MUX * to SCLKA2M(200Mhz) in MFC_MUX and G3D MUX
* (667/4=166)->(200/4=50)Mhz * (667/4=166)->(200/4=50)Mhz
*/ */
reg = __raw_readl(S5P_CLK_SRC2); reg = readl_relaxed(S5P_CLK_SRC2);
reg &= ~(S5P_CLKSRC2_G3D_MASK | S5P_CLKSRC2_MFC_MASK); reg &= ~(S5P_CLKSRC2_G3D_MASK | S5P_CLKSRC2_MFC_MASK);
reg |= (0 << S5P_CLKSRC2_G3D_SHIFT) | reg |= (0 << S5P_CLKSRC2_G3D_SHIFT) |
(0 << S5P_CLKSRC2_MFC_SHIFT); (0 << S5P_CLKSRC2_MFC_SHIFT);
__raw_writel(reg, S5P_CLK_SRC2); writel_relaxed(reg, S5P_CLK_SRC2);
do { do {
reg = __raw_readl(S5P_CLKMUX_STAT1); reg = readl_relaxed(S5P_CLKMUX_STAT1);
} while (reg & ((1 << 7) | (1 << 3))); } while (reg & ((1 << 7) | (1 << 3)));
/* /*
* 8. Change divider for MFC and G3D * 8. Change divider for MFC and G3D
* (200/4=50)->(200/1=200)Mhz * (200/4=50)->(200/1=200)Mhz
*/ */
reg = __raw_readl(S5P_CLK_DIV2); reg = readl_relaxed(S5P_CLK_DIV2);
reg &= ~(S5P_CLKDIV2_G3D_MASK | S5P_CLKDIV2_MFC_MASK); reg &= ~(S5P_CLKDIV2_G3D_MASK | S5P_CLKDIV2_MFC_MASK);
reg |= (clkdiv_val[index][10] << S5P_CLKDIV2_G3D_SHIFT) | reg |= (clkdiv_val[index][10] << S5P_CLKDIV2_G3D_SHIFT) |
(clkdiv_val[index][9] << S5P_CLKDIV2_MFC_SHIFT); (clkdiv_val[index][9] << S5P_CLKDIV2_MFC_SHIFT);
__raw_writel(reg, S5P_CLK_DIV2); writel_relaxed(reg, S5P_CLK_DIV2);
/* For MFC, G3D dividing */ /* For MFC, G3D dividing */
do { do {
reg = __raw_readl(S5P_CLKDIV_STAT0); reg = readl_relaxed(S5P_CLKDIV_STAT0);
} while (reg & ((1 << 16) | (1 << 17))); } while (reg & ((1 << 16) | (1 << 17)));
/* 9. Change MPLL to APLL in MSYS_MUX */ /* 9. Change MPLL to APLL in MSYS_MUX */
reg = __raw_readl(S5P_CLK_SRC0); reg = readl_relaxed(S5P_CLK_SRC0);
reg &= ~(S5P_CLKSRC0_MUX200_MASK); reg &= ~(S5P_CLKSRC0_MUX200_MASK);
reg |= (0x0 << S5P_CLKSRC0_MUX200_SHIFT); reg |= (0x0 << S5P_CLKSRC0_MUX200_SHIFT);
__raw_writel(reg, S5P_CLK_SRC0); writel_relaxed(reg, S5P_CLK_SRC0);
do { do {
reg = __raw_readl(S5P_CLKMUX_STAT0); reg = readl_relaxed(S5P_CLKMUX_STAT0);
} while (reg & (0x1 << 18)); } while (reg & (0x1 << 18));
/* /*
...@@ -451,13 +451,13 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index) ...@@ -451,13 +451,13 @@ static int s5pv210_target(struct cpufreq_policy *policy, unsigned int index)
* and memory refresh parameter should be changed * and memory refresh parameter should be changed
*/ */
if (bus_speed_changing) { if (bus_speed_changing) {
reg = __raw_readl(S5P_CLK_DIV6); reg = readl_relaxed(S5P_CLK_DIV6);
reg &= ~S5P_CLKDIV6_ONEDRAM_MASK; reg &= ~S5P_CLKDIV6_ONEDRAM_MASK;
reg |= (clkdiv_val[index][8] << S5P_CLKDIV6_ONEDRAM_SHIFT); reg |= (clkdiv_val[index][8] << S5P_CLKDIV6_ONEDRAM_SHIFT);
__raw_writel(reg, S5P_CLK_DIV6); writel_relaxed(reg, S5P_CLK_DIV6);
do { do {
reg = __raw_readl(S5P_CLKDIV_STAT1); reg = readl_relaxed(S5P_CLKDIV_STAT1);
} while (reg & (1 << 15)); } while (reg & (1 << 15));
/* Reconfigure DRAM refresh counter value */ /* Reconfigure DRAM refresh counter value */
...@@ -497,7 +497,7 @@ static int check_mem_type(void __iomem *dmc_reg) ...@@ -497,7 +497,7 @@ static int check_mem_type(void __iomem *dmc_reg)
{ {
unsigned long val; unsigned long val;
val = __raw_readl(dmc_reg + 0x4); val = readl_relaxed(dmc_reg + 0x4);
val = (val & (0xf << 8)); val = (val & (0xf << 8));
return val >> 8; return val >> 8;
...@@ -542,10 +542,10 @@ static int s5pv210_cpu_init(struct cpufreq_policy *policy) ...@@ -542,10 +542,10 @@ static int s5pv210_cpu_init(struct cpufreq_policy *policy)
} }
/* Find current refresh counter and frequency each DMC */ /* Find current refresh counter and frequency each DMC */
s5pv210_dram_conf[0].refresh = (__raw_readl(dmc_base[0] + 0x30) * 1000); s5pv210_dram_conf[0].refresh = (readl_relaxed(dmc_base[0] + 0x30) * 1000);
s5pv210_dram_conf[0].freq = clk_get_rate(dmc0_clk); s5pv210_dram_conf[0].freq = clk_get_rate(dmc0_clk);
s5pv210_dram_conf[1].refresh = (__raw_readl(dmc_base[1] + 0x30) * 1000); s5pv210_dram_conf[1].refresh = (readl_relaxed(dmc_base[1] + 0x30) * 1000);
s5pv210_dram_conf[1].freq = clk_get_rate(dmc1_clk); s5pv210_dram_conf[1].freq = clk_get_rate(dmc1_clk);
policy->suspend_freq = SLEEP_FREQ; policy->suspend_freq = SLEEP_FREQ;
......
...@@ -11,7 +11,7 @@ ...@@ -11,7 +11,7 @@
*/ */
#include <linux/io.h> #include <linux/io.h>
#include <linux/module.h> #include <linux/init.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_address.h> #include <linux/of_address.h>
#include <linux/of_platform.h> #include <linux/of_platform.h>
...@@ -91,11 +91,11 @@ static int exynos_srom_configure_bank(struct exynos_srom *srom, ...@@ -91,11 +91,11 @@ static int exynos_srom_configure_bank(struct exynos_srom *srom,
if (width == 2) if (width == 2)
cs |= 1 << EXYNOS_SROM_BW__DATAWIDTH__SHIFT; cs |= 1 << EXYNOS_SROM_BW__DATAWIDTH__SHIFT;
bw = __raw_readl(srom->reg_base + EXYNOS_SROM_BW); bw = readl_relaxed(srom->reg_base + EXYNOS_SROM_BW);
bw = (bw & ~(EXYNOS_SROM_BW__CS_MASK << bank)) | (cs << bank); bw = (bw & ~(EXYNOS_SROM_BW__CS_MASK << bank)) | (cs << bank);
__raw_writel(bw, srom->reg_base + EXYNOS_SROM_BW); writel_relaxed(bw, srom->reg_base + EXYNOS_SROM_BW);
__raw_writel(pmc | (timing[0] << EXYNOS_SROM_BCX__TACP__SHIFT) | writel_relaxed(pmc | (timing[0] << EXYNOS_SROM_BCX__TACP__SHIFT) |
(timing[1] << EXYNOS_SROM_BCX__TCAH__SHIFT) | (timing[1] << EXYNOS_SROM_BCX__TCAH__SHIFT) |
(timing[2] << EXYNOS_SROM_BCX__TCOH__SHIFT) | (timing[2] << EXYNOS_SROM_BCX__TCOH__SHIFT) |
(timing[3] << EXYNOS_SROM_BCX__TACC__SHIFT) | (timing[3] << EXYNOS_SROM_BCX__TACC__SHIFT) |
...@@ -159,16 +159,6 @@ static int exynos_srom_probe(struct platform_device *pdev) ...@@ -159,16 +159,6 @@ static int exynos_srom_probe(struct platform_device *pdev)
return of_platform_populate(np, NULL, NULL, dev); return of_platform_populate(np, NULL, NULL, dev);
} }
static int exynos_srom_remove(struct platform_device *pdev)
{
struct exynos_srom *srom = platform_get_drvdata(pdev);
kfree(srom->reg_offset);
iounmap(srom->reg_base);
return 0;
}
#ifdef CONFIG_PM_SLEEP #ifdef CONFIG_PM_SLEEP
static void exynos_srom_save(void __iomem *base, static void exynos_srom_save(void __iomem *base,
struct exynos_srom_reg_dump *rd, struct exynos_srom_reg_dump *rd,
...@@ -211,21 +201,16 @@ static const struct of_device_id of_exynos_srom_ids[] = { ...@@ -211,21 +201,16 @@ static const struct of_device_id of_exynos_srom_ids[] = {
}, },
{}, {},
}; };
MODULE_DEVICE_TABLE(of, of_exynos_srom_ids);
static SIMPLE_DEV_PM_OPS(exynos_srom_pm_ops, exynos_srom_suspend, exynos_srom_resume); static SIMPLE_DEV_PM_OPS(exynos_srom_pm_ops, exynos_srom_suspend, exynos_srom_resume);
static struct platform_driver exynos_srom_driver = { static struct platform_driver exynos_srom_driver = {
.probe = exynos_srom_probe, .probe = exynos_srom_probe,
.remove = exynos_srom_remove,
.driver = { .driver = {
.name = "exynos-srom", .name = "exynos-srom",
.of_match_table = of_exynos_srom_ids, .of_match_table = of_exynos_srom_ids,
.pm = &exynos_srom_pm_ops, .pm = &exynos_srom_pm_ops,
.suppress_bind_attrs = true,
}, },
}; };
module_platform_driver(exynos_srom_driver); builtin_platform_driver(exynos_srom_driver);
MODULE_AUTHOR("Pankaj Dubey <pankaj.dubey@samsung.com>");
MODULE_DESCRIPTION("Exynos SROM Controller Driver");
MODULE_LICENSE("GPL");
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