ARM: OMAP: Update GPMC code for ioremap
authorTony Lindgren <tony@atomide.com>
Tue, 9 Sep 2008 00:35:42 +0000 (17:35 -0700)
committerTony Lindgren <tony@atomide.com>
Tue, 9 Sep 2008 00:36:57 +0000 (17:36 -0700)
Update GPMC code for ioremap

Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/mach-omap2/gpmc.c

index 0eb29e1..f3e0271 100644 (file)
@@ -59,7 +59,7 @@ static struct resource        gpmc_cs_mem[GPMC_CS_NUM];
 static DEFINE_SPINLOCK(gpmc_mem_lock);
 static unsigned                gpmc_cs_map;
 
-static u32 gpmc_base;
+static void __iomem *gpmc_base;
 
 static struct clk *gpmc_l3_clk;
 
@@ -95,7 +95,7 @@ unsigned long gpmc_get_fclk_period(void)
        unsigned long rate = clk_get_rate(gpmc_l3_clk);
 
        if (rate == 0) {
-               printk(KERN_WARNING "gpmc_l3_clk no enabled\n");
+               printk(KERN_WARNING "gpmc_l3_clk not enabled\n");
                return 0;
        }
 
@@ -413,16 +413,30 @@ static void __init gpmc_mem_init(void)
 void __init gpmc_init(void)
 {
        u32 l;
+       char *ck;
 
        if (cpu_is_omap24xx()) {
-               gpmc_l3_clk = clk_get(NULL, "core_l3_ck");
+               ck = "core_l3_ck";
                if (cpu_is_omap2420())
-                       gpmc_base = OMAP2_IO_ADDRESS(OMAP2420_GPMC_BASE);
-               else if (cpu_is_omap2430())
-                       gpmc_base = OMAP2_IO_ADDRESS(OMAP243X_GPMC_BASE);
+                       l = OMAP2420_GPMC_BASE;
+               else
+                       l = OMAP34XX_GPMC_BASE;
        } else if (cpu_is_omap34xx()) {
-               gpmc_l3_clk = clk_get(NULL, "gpmc_fck");
-               gpmc_base = OMAP2_IO_ADDRESS(OMAP34XX_GPMC_BASE);
+               ck = "gpmc_fck";
+               l = OMAP34XX_GPMC_BASE;
+       }
+
+       gpmc_l3_clk = clk_get(NULL, ck);
+       if (IS_ERR(gpmc_l3_clk)) {
+               printk(KERN_ERR "Could not get GPMC clock %s\n", ck);
+               return -ENODEV;
+       }
+
+       gpmc_base = ioremap(l, SZ_4K);
+       if (!gpmc_base) {
+               clk_put(gpmc_l3_clk);
+               printk(KERN_ERR "Could not get GPMC register memory\n");
+               return -ENOMEM;
        }
 
        BUG_ON(IS_ERR(gpmc_l3_clk));