diff options
author | John W. Linville <linville@tuxdriver.com> | 2010-04-08 13:34:54 -0400 |
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committer | John W. Linville <linville@tuxdriver.com> | 2010-04-08 13:34:54 -0400 |
commit | 0f2df9eac70423838a1f8d410fd3899ddd88317b (patch) | |
tree | 0617f723320d83eca5cef9c964c001014e74213f /arch/arm/mach-ep93xx/clock.c | |
parent | 8c11e4ab09ffb975a89802dde0e9aa52a53b8aa5 (diff) | |
parent | 1144601118507f8b3b676a9a392584d216d3f2cc (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into merge
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/wireless/ath/ath5k/phy.c
drivers/net/wireless/iwlwifi/iwl-4965.c
drivers/net/wireless/iwlwifi/iwl-agn.c
drivers/net/wireless/iwlwifi/iwl-core.c
drivers/net/wireless/iwlwifi/iwl-core.h
drivers/net/wireless/iwlwifi/iwl-tx.c
Diffstat (limited to 'arch/arm/mach-ep93xx/clock.c')
-rw-r--r-- | arch/arm/mach-ep93xx/clock.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c index 1d0f9d8aff2..5f80092b6ac 100644 --- a/arch/arm/mach-ep93xx/clock.c +++ b/arch/arm/mach-ep93xx/clock.c @@ -10,6 +10,8 @@ * your option) any later version. */ +#define pr_fmt(fmt) "ep93xx " KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/clk.h> #include <linux/err.h> @@ -445,37 +447,39 @@ static void __init ep93xx_dma_clock_init(void) static int __init ep93xx_clock_init(void) { u32 value; - int i; - value = __raw_readl(EP93XX_SYSCON_CLOCK_SET1); - if (!(value & 0x00800000)) { /* PLL1 bypassed? */ + /* Determine the bootloader configured pll1 rate */ + value = __raw_readl(EP93XX_SYSCON_CLKSET1); + if (!(value & EP93XX_SYSCON_CLKSET1_NBYP1)) clk_pll1.rate = clk_xtali.rate; - } else { + else clk_pll1.rate = calc_pll_rate(value); - } + + /* Initialize the pll1 derived clocks */ clk_f.rate = clk_pll1.rate / fclk_divisors[(value >> 25) & 0x7]; clk_h.rate = clk_pll1.rate / hclk_divisors[(value >> 20) & 0x7]; clk_p.rate = clk_h.rate / pclk_divisors[(value >> 18) & 0x3]; ep93xx_dma_clock_init(); - value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2); - if (!(value & 0x00080000)) { /* PLL2 bypassed? */ + /* Determine the bootloader configured pll2 rate */ + value = __raw_readl(EP93XX_SYSCON_CLKSET2); + if (!(value & EP93XX_SYSCON_CLKSET2_NBYP2)) clk_pll2.rate = clk_xtali.rate; - } else if (value & 0x00040000) { /* PLL2 enabled? */ + else if (value & EP93XX_SYSCON_CLKSET2_PLL2_EN) clk_pll2.rate = calc_pll_rate(value); - } else { + else clk_pll2.rate = 0; - } + + /* Initialize the pll2 derived clocks */ clk_usb_host.rate = clk_pll2.rate / (((value >> 28) & 0xf) + 1); - printk(KERN_INFO "ep93xx: PLL1 running at %ld MHz, PLL2 at %ld MHz\n", + pr_info("PLL1 running at %ld MHz, PLL2 at %ld MHz\n", clk_pll1.rate / 1000000, clk_pll2.rate / 1000000); - printk(KERN_INFO "ep93xx: FCLK %ld MHz, HCLK %ld MHz, PCLK %ld MHz\n", + pr_info("FCLK %ld MHz, HCLK %ld MHz, PCLK %ld MHz\n", clk_f.rate / 1000000, clk_h.rate / 1000000, clk_p.rate / 1000000); - for (i = 0; i < ARRAY_SIZE(clocks); i++) - clkdev_add(&clocks[i]); + clkdev_add_table(clocks, ARRAY_SIZE(clocks)); return 0; } arch_initcall(ep93xx_clock_init); |