diff options
| author | Janusz Krzysztofik <jkrzyszt@tis.icnet.pl> | 2010-12-21 23:08:15 -0500 |
|---|---|---|
| committer | Paul Walmsley <paul@pwsan.com> | 2010-12-21 23:08:15 -0500 |
| commit | 65ae65c9058eb41e9566ffd12699607c68b23e5f (patch) | |
| tree | e0ee0ea0c81355d91057f4514ca44583bd26d4be | |
| parent | 1124d2f9186ec9e42e1c3f78c20199ba2cb597e2 (diff) | |
OMAP1: clock_data: use runtime cpu / machine checks
Otherwise multi-omap1 configurations may set wrong clock speed.
Created and tested against l-o master on Amstrad Delta.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
| -rw-r--r-- | arch/arm/mach-omap1/clock_data.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c index 12fee24181b2..92400b9eb69f 100644 --- a/arch/arm/mach-omap1/clock_data.c +++ b/arch/arm/mach-omap1/clock_data.c | |||
| @@ -823,12 +823,10 @@ int __init omap1_clk_init(void) | |||
| 823 | crystal_type = info->system_clock_type; | 823 | crystal_type = info->system_clock_type; |
| 824 | } | 824 | } |
| 825 | 825 | ||
| 826 | #if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) | 826 | if (cpu_is_omap7xx()) |
| 827 | ck_ref.rate = 13000000; | 827 | ck_ref.rate = 13000000; |
| 828 | #elif defined(CONFIG_ARCH_OMAP16XX) | 828 | if (cpu_is_omap16xx() && crystal_type == 2) |
| 829 | if (crystal_type == 2) | ||
| 830 | ck_ref.rate = 19200000; | 829 | ck_ref.rate = 19200000; |
| 831 | #endif | ||
| 832 | 830 | ||
| 833 | pr_info("Clocks: ARM_SYSST: 0x%04x DPLL_CTL: 0x%04x ARM_CKCTL: " | 831 | pr_info("Clocks: ARM_SYSST: 0x%04x DPLL_CTL: 0x%04x ARM_CKCTL: " |
| 834 | "0x%04x\n", omap_readw(ARM_SYSST), omap_readw(DPLL_CTL), | 832 | "0x%04x\n", omap_readw(ARM_SYSST), omap_readw(DPLL_CTL), |
| @@ -883,10 +881,11 @@ int __init omap1_clk_init(void) | |||
| 883 | ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10, | 881 | ck_dpll1.rate / 1000000, (ck_dpll1.rate / 100000) % 10, |
| 884 | arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10); | 882 | arm_ck.rate / 1000000, (arm_ck.rate / 100000) % 10); |
| 885 | 883 | ||
| 886 | #if defined(CONFIG_MACH_OMAP_PERSEUS2) || defined(CONFIG_MACH_OMAP_FSAMPLE) | 884 | if (machine_is_omap_perseus2() || machine_is_omap_fsample()) { |
| 887 | /* Select slicer output as OMAP input clock */ | 885 | /* Select slicer output as OMAP input clock */ |
| 888 | omap_writew(omap_readw(OMAP7XX_PCC_UPLD_CTRL) & ~0x1, OMAP7XX_PCC_UPLD_CTRL); | 886 | omap_writew(omap_readw(OMAP7XX_PCC_UPLD_CTRL) & ~0x1, |
| 889 | #endif | 887 | OMAP7XX_PCC_UPLD_CTRL); |
| 888 | } | ||
| 890 | 889 | ||
| 891 | /* Amstrad Delta wants BCLK high when inactive */ | 890 | /* Amstrad Delta wants BCLK high when inactive */ |
| 892 | if (machine_is_ams_delta()) | 891 | if (machine_is_ams_delta()) |
