ARM: imx6: clocks: add support for eLCDIF clock on i.MX6UL

[karo-tx-uboot.git] / lib / display_options.c

diff --git a/lib/display_options.c b/lib/display_options.c
index d5d17b2818ea243598bb7fa32d8046a2e143b97e..83ea4decb53198fcc5ced9ae9f104a766afe5e8b 100644 (file)
--- a/lib/display_options.c
+++ b/lib/display_options.c
@@ -7,6 +7,7 @@
 
 #include <config.h>
 #include <common.h>
+#include <div64.h>
 #include <inttypes.h>
 #include <version.h>
 #include <linux/ctype.h>
@@ -22,6 +23,46 @@ int display_options (void)
        return 0;
 }
 
+void print_freq(uint64_t freq, const char *s)
+{
+       unsigned long m = 0;
+       uint32_t f;
+       static const char names[] = {'G', 'M', 'K'};
+       unsigned long d = 1e9;
+       char c = 0;
+       unsigned int i;
+
+       for (i = 0; i < ARRAY_SIZE(names); i++, d /= 1000) {
+               if (freq >= d) {
+                       c = names[i];
+                       break;
+               }
+       }
+
+       if (!c) {
+               printf("%" PRIu64 " Hz%s", freq, s);
+               return;
+       }
+
+       f = do_div(freq, d);
+
+       /* If there's a remainder, show the first few digits */
+       if (f) {
+               m = f;
+               while (m > 1000)
+                       m /= 10;
+               while (m && !(m % 10))
+                       m /= 10;
+               if (m >= 100)
+                       m = (m / 10) + (m % 100 >= 50);
+       }
+
+       printf("%lu", (unsigned long) freq);
+       if (m)
+               printf(".%ld", m);
+       printf(" %cHz%s", c, s);
+}
+
 void print_size(uint64_t size, const char *s)
 {
        unsigned long m = 0, n;
@@ -63,19 +104,6 @@ void print_size(uint64_t size, const char *s)
        printf (" %ciB%s", c, s);
 }
 
-/*
- * Print data buffer in hex and ascii form to the terminal.
- *
- * data reads are buffered so that each memory address is only read once.
- * Useful when displaying the contents of volatile registers.
- *
- * parameters:
- *    addr: Starting address to display at start of line
- *    data: pointer to data buffer
- *    width: data value width.  May be 1, 2, or 4.
- *    count: number of values to display
- *    linelen: Number of values to print per line; specify 0 for default length
- */
 #define MAX_LINE_LENGTH_BYTES (64)
 #define DEFAULT_LINE_LENGTH_BYTES (16)
 int print_buffer(ulong addr, const void *data, uint width, uint count,
@@ -92,9 +120,9 @@ int print_buffer(ulong addr, const void *data, uint width, uint count,
        } lb;
        int i;
 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
-       uint64_t x;
+       uint64_t __maybe_unused x;
 #else
-       uint32_t x;
+       uint32_t __maybe_unused x;
 #endif
 
        if (linelen*width > MAX_LINE_LENGTH_BYTES)
@@ -123,7 +151,7 @@ int print_buffer(ulong addr, const void *data, uint width, uint count,
                        else
                                x = lb.uc[i] = *(volatile uint8_t *)data;
 #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
-                       printf(" %0*" PRIx64, width * 2, x);
+                       printf(" %0*llx", width * 2, (long long)x);
 #else
                        printf(" %0*x", width * 2, x);
 #endif