Make i945/raminit.c:fsbclk() return u16 rather than int

This is needed for Gentoo gcc-4.1.2 to build the i945 code. A warning is
thrown because the comparison in the last hunk is between u16 and -1 and
can never be true.

Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5895 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

diff --git a/src/northbridge/intel/i945/raminit.c b/src/northbridge/intel/i945/raminit.c
index 62cd193d04c83dce7c43c235a76e954982cecb91..1595b8b3bc092ceb87f037aa1c6d2074270a7fab 100644 (file)
--- a/src/northbridge/intel/i945/raminit.c
+++ b/src/northbridge/intel/i945/raminit.c
@@ -103,7 +103,7 @@ static int memclk(void)
 }
 
 #if defined(CONFIG_NORTHBRIDGE_INTEL_I945GM)
-static int fsbclk(void)
+static u16 fsbclk(void)
 {
        switch (MCHBAR32(CLKCFG) & 7) {
        case 0: return 400;
@@ -111,10 +111,10 @@ static int fsbclk(void)
        case 3: return 667;
        default: printk(BIOS_DEBUG, "fsbclk: unknown register value %x\n", MCHBAR32(CLKCFG) & 7);
        }
-       return -1;
+       return 0xffff;
 }
 #elif defined(CONFIG_NORTHBRIDGE_INTEL_I945GC)
-static int fsbclk(void)
+static u16 fsbclk(void)
 {
        switch (MCHBAR32(CLKCFG) & 7) {
        case 0: return 1066;
@@ -122,7 +122,7 @@ static int fsbclk(void)
        case 2: return 800;
        default: printk(BIOS_DEBUG, "fsbclk: unknown register value %x\n", MCHBAR32(CLKCFG) & 7);
        }
-       return -1;
+       return 0xffff;
 }
 #endif
 
@@ -1929,7 +1929,7 @@ static void sdram_program_pll_settings(struct sys_info *sysinfo)
        MCHBAR32(PLLMON) = 0x80800000;
 
        sysinfo->fsb_frequency = fsbclk();
-       if (sysinfo->fsb_frequency == -1)
+       if (sysinfo->fsb_frequency == 0xffff)
                die("Unsupported FSB speed");
 
        /* Program CPCTL according to FSB speed */