diff options
author | Joakim Axelsson <joakim.axelsson@stericsson.com> | 2010-10-25 10:56:38 +0200 |
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committer | Michael BRANDT <michael.brandt@stericsson.com> | 2010-12-08 16:19:53 +0100 |
commit | af78cad05fbf943619f6446b12203552b02aba11 (patch) | |
tree | daa496a29b972347f3a55e04c0d1acc36e2f37aa /cpu/arm_cortexa9/db8500/clock.c | |
parent | 0257e280fdf5861b8e9d625df517a938c2531a95 (diff) |
db8500: Display cpu info.
Enable CONFIG_DISPLAY_CPUINFO and implement print_cpuinfo() in
cpu/arm_cortexa9/db8500.c.
ST-Ericsson ID: None
Signed-off-by: Joakim Axelsson <joakim.axelsson@stericsson.com>
Change-Id: Id4f67b223fabc4a8007229f8db12bd2a7362f8c2
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/7115
Reviewed-by: QATOOLS
Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Tested-by: Michael BRANDT <michael.brandt@stericsson.com>
Diffstat (limited to 'cpu/arm_cortexa9/db8500/clock.c')
-rw-r--r-- | cpu/arm_cortexa9/db8500/clock.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/cpu/arm_cortexa9/db8500/clock.c b/cpu/arm_cortexa9/db8500/clock.c index 5f771dc0d..7e8be8e7a 100644 --- a/cpu/arm_cortexa9/db8500/clock.c +++ b/cpu/arm_cortexa9/db8500/clock.c @@ -191,6 +191,20 @@ static uint32_t get_pll_freq_khz(uint32_t inclk_khz, uint32_t freq_reg) return phi; } +u32 db8500_clock_cpu_khz(void) +{ + u32 reg, phi; + + reg = readl(PRCM_ARM_CHGCLKREQ_REG); + if (reg & 1) + return 0; /* External clock */ + + reg = readl(PRCM_PLLARM_FREQ_REG); + phi = get_pll_freq_khz(38400, reg); + + return phi; +} + int do_clkinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { uint32_t inclk_khz; |