Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history 
yaml
---
r: 295421
b: refs/heads/master
c: 09cee1a
h: refs/heads/master
i:
  295419: 483f7f4
v: v3
  • Loading branch information
Kukjin Kim authored and Dave Jones committed Mar 1, 2012
1 parent 3e1a328 commit 8b4a179
Show file tree
Hide file tree
Showing 2 changed files with 36 additions and 36 deletions.
2 changes: 1 addition & 1 deletion [refs]
View file
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 60d2725dbc7c1b2984920f9f0685b9459760b859
refs/heads/master: 09cee1ab0efc91aa29dc82d15a48d85ae5868bc6
70 changes: 35 additions & 35 deletions trunk/drivers/cpufreq/exynos4210-cpufreq.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -121,25 +121,25 @@ static void exynos4210_set_clkdiv(unsigned int div_index)

tmp = exynos4210_clkdiv_table[div_index].clkdiv;

__raw_writel(tmp, S5P_CLKDIV_CPU);
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU);

do {
tmp = __raw_readl(S5P_CLKDIV_STATCPU);
tmp = __raw_readl(EXYNOS4_CLKDIV_STATCPU);
} while (tmp & 0x1111111);

/* Change Divider - CPU1 */

tmp = __raw_readl(S5P_CLKDIV_CPU1);
tmp = __raw_readl(EXYNOS4_CLKDIV_CPU1);

tmp &= ~((0x7 << 4) | 0x7);

tmp |= ((clkdiv_cpu1[div_index][0] << 4) |
(clkdiv_cpu1[div_index][1] << 0));

__raw_writel(tmp, S5P_CLKDIV_CPU1);
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU1);

do {
tmp = __raw_readl(S5P_CLKDIV_STATCPU1);
tmp = __raw_readl(EXYNOS4_CLKDIV_STATCPU1);
} while (tmp & 0x11);
}

Expand All @@ -151,32 +151,32 @@ static void exynos4210_set_apll(unsigned int index)
clk_set_parent(moutcore, mout_mpll);

do {
tmp = (__raw_readl(S5P_CLKMUX_STATCPU)
>> S5P_CLKSRC_CPU_MUXCORE_SHIFT);
tmp = (__raw_readl(EXYNOS4_CLKMUX_STATCPU)
>> EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT);
tmp &= 0x7;
} while (tmp != 0x2);

/* 2. Set APLL Lock time */
__raw_writel(S5P_APLL_LOCKTIME, S5P_APLL_LOCK);
__raw_writel(EXYNOS4_APLL_LOCKTIME, EXYNOS4_APLL_LOCK);

/* 3. Change PLL PMS values */
tmp = __raw_readl(S5P_APLL_CON0);
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
tmp |= exynos4210_apll_pms_table[index];
__raw_writel(tmp, S5P_APLL_CON0);
__raw_writel(tmp, EXYNOS4_APLL_CON0);

/* 4. wait_lock_time */
do {
tmp = __raw_readl(S5P_APLL_CON0);
} while (!(tmp & (0x1 << S5P_APLLCON0_LOCKED_SHIFT)));
tmp = __raw_readl(EXYNOS4_APLL_CON0);
} while (!(tmp & (0x1 << EXYNOS4_APLLCON0_LOCKED_SHIFT)));

/* 5. MUX_CORE_SEL = APLL */
clk_set_parent(moutcore, mout_apll);

do {
tmp = __raw_readl(S5P_CLKMUX_STATCPU);
tmp &= S5P_CLKMUX_STATCPU_MUXCORE_MASK;
} while (tmp != (0x1 << S5P_CLKSRC_CPU_MUXCORE_SHIFT));
tmp = __raw_readl(EXYNOS4_CLKMUX_STATCPU);
tmp &= EXYNOS4_CLKMUX_STATCPU_MUXCORE_MASK;
} while (tmp != (0x1 << EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT));
}

bool exynos4210_pms_change(unsigned int old_index, unsigned int new_index)
Expand All @@ -198,10 +198,10 @@ static void exynos4210_set_frequency(unsigned int old_index,
exynos4210_set_clkdiv(new_index);

/* 2. Change just s value in apll m,p,s value */
tmp = __raw_readl(S5P_APLL_CON0);
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~(0x7 << 0);
tmp |= (exynos4210_apll_pms_table[new_index] & 0x7);
__raw_writel(tmp, S5P_APLL_CON0);
__raw_writel(tmp, EXYNOS4_APLL_CON0);
} else {
/* Clock Configuration Procedure */
/* 1. Change the system clock divider values */
Expand All @@ -212,10 +212,10 @@ static void exynos4210_set_frequency(unsigned int old_index,
} else if (old_index < new_index) {
if (!exynos4210_pms_change(old_index, new_index)) {
/* 1. Change just s value in apll m,p,s value */
tmp = __raw_readl(S5P_APLL_CON0);
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~(0x7 << 0);
tmp |= (exynos4210_apll_pms_table[new_index] & 0x7);
__raw_writel(tmp, S5P_APLL_CON0);
__raw_writel(tmp, EXYNOS4_APLL_CON0);

/* 2. Change the system clock divider values */
exynos4210_set_clkdiv(new_index);
Expand Down Expand Up @@ -253,24 +253,24 @@ int exynos4210_cpufreq_init(struct exynos_dvfs_info *info)
if (IS_ERR(mout_apll))
goto err_mout_apll;

tmp = __raw_readl(S5P_CLKDIV_CPU);
tmp = __raw_readl(EXYNOS4_CLKDIV_CPU);

for (i = L0; i < CPUFREQ_LEVEL_END; i++) {
tmp &= ~(S5P_CLKDIV_CPU0_CORE_MASK |
S5P_CLKDIV_CPU0_COREM0_MASK |
S5P_CLKDIV_CPU0_COREM1_MASK |
S5P_CLKDIV_CPU0_PERIPH_MASK |
S5P_CLKDIV_CPU0_ATB_MASK |
S5P_CLKDIV_CPU0_PCLKDBG_MASK |
S5P_CLKDIV_CPU0_APLL_MASK);

tmp |= ((clkdiv_cpu0[i][0] << S5P_CLKDIV_CPU0_CORE_SHIFT) |
(clkdiv_cpu0[i][1] << S5P_CLKDIV_CPU0_COREM0_SHIFT) |
(clkdiv_cpu0[i][2] << S5P_CLKDIV_CPU0_COREM1_SHIFT) |
(clkdiv_cpu0[i][3] << S5P_CLKDIV_CPU0_PERIPH_SHIFT) |
(clkdiv_cpu0[i][4] << S5P_CLKDIV_CPU0_ATB_SHIFT) |
(clkdiv_cpu0[i][5] << S5P_CLKDIV_CPU0_PCLKDBG_SHIFT) |
(clkdiv_cpu0[i][6] << S5P_CLKDIV_CPU0_APLL_SHIFT));
tmp &= ~(EXYNOS4_CLKDIV_CPU0_CORE_MASK |
EXYNOS4_CLKDIV_CPU0_COREM0_MASK |
EXYNOS4_CLKDIV_CPU0_COREM1_MASK |
EXYNOS4_CLKDIV_CPU0_PERIPH_MASK |
EXYNOS4_CLKDIV_CPU0_ATB_MASK |
EXYNOS4_CLKDIV_CPU0_PCLKDBG_MASK |
EXYNOS4_CLKDIV_CPU0_APLL_MASK);

tmp |= ((clkdiv_cpu0[i][0] << EXYNOS4_CLKDIV_CPU0_CORE_SHIFT) |
(clkdiv_cpu0[i][1] << EXYNOS4_CLKDIV_CPU0_COREM0_SHIFT) |
(clkdiv_cpu0[i][2] << EXYNOS4_CLKDIV_CPU0_COREM1_SHIFT) |
(clkdiv_cpu0[i][3] << EXYNOS4_CLKDIV_CPU0_PERIPH_SHIFT) |
(clkdiv_cpu0[i][4] << EXYNOS4_CLKDIV_CPU0_ATB_SHIFT) |
(clkdiv_cpu0[i][5] << EXYNOS4_CLKDIV_CPU0_PCLKDBG_SHIFT) |
(clkdiv_cpu0[i][6] << EXYNOS4_CLKDIV_CPU0_APLL_SHIFT));

exynos4210_clkdiv_table[i].clkdiv = tmp;
}
Expand Down

0 comments on commit 8b4a179

Please sign in to comment.