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authorBen Dooks <ben-linux@fluff.org>2008-10-21 09:06:38 -0400
committerBen Dooks <ben-linux@fluff.org>2008-12-15 16:46:08 -0500
commite425382ed90d221ef9031a1b2d97d9bfedcf90c3 (patch)
treeca36882dba4caf8a9726ed67216251360c80ef59 /arch/arm/plat-s3c24xx/clock.c
parentc3391e36d697c997b6afeb045071e0be95219a3e (diff)
[ARM] S3C24XX: Update clock data on resume
Update the clock settings on resume for suspend/resume support so that if the boot loader changes anything or the system's PLL is reset then we return with the correct settings. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c24xx/clock.c')
-rw-r--r--arch/arm/plat-s3c24xx/clock.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/arm/plat-s3c24xx/clock.c b/arch/arm/plat-s3c24xx/clock.c
index 334e696200be..a4a0a67a3074 100644
--- a/arch/arm/plat-s3c24xx/clock.c
+++ b/arch/arm/plat-s3c24xx/clock.c
@@ -47,6 +47,8 @@
47#include <mach/regs-clock.h> 47#include <mach/regs-clock.h>
48#include <mach/regs-gpio.h> 48#include <mach/regs-gpio.h>
49 49
50#include <plat/cpu-freq.h>
51
50#include <plat/clock.h> 52#include <plat/clock.h>
51#include <plat/cpu.h> 53#include <plat/cpu.h>
52#include <plat/pll.h> 54#include <plat/pll.h>
@@ -327,24 +329,24 @@ int s3c24xx_register_clocks(struct clk **clks, int nr_clks)
327 329
328/* initalise all the clocks */ 330/* initalise all the clocks */
329 331
330int __init s3c24xx_setup_clocks(unsigned long xtal, 332void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk,
331 unsigned long fclk, 333 unsigned long hclk,
332 unsigned long hclk, 334 unsigned long pclk)
333 unsigned long pclk)
334{ 335{
335 printk(KERN_INFO "S3C24XX Clocks, (c) 2004 Simtec Electronics\n"); 336 clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON),
336 337 clk_xtal.rate);
337 /* initialise the main system clocks */
338
339 clk_xtal.rate = xtal;
340 clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON), xtal);
341 338
342 clk_mpll.rate = fclk; 339 clk_mpll.rate = fclk;
343 clk_h.rate = hclk; 340 clk_h.rate = hclk;
344 clk_p.rate = pclk; 341 clk_p.rate = pclk;
345 clk_f.rate = fclk; 342 clk_f.rate = fclk;
343}
346 344
347 /* assume uart clocks are correctly setup */ 345int __init s3c24xx_register_baseclocks(unsigned long xtal)
346{
347 printk(KERN_INFO "S3C24XX Clocks, (c) 2004 Simtec Electronics\n");
348
349 clk_xtal.rate = xtal;
348 350
349 /* register our clocks */ 351 /* register our clocks */
350 352
@@ -368,3 +370,4 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
368 370
369 return 0; 371 return 0;
370} 372}
373