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| author | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2010-02-15 18:03:37 +0530 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-02-23 10:57:40 -0800 |
| commit | b7ebb10b0a9793effa4a74a3c29049b44c6b8176 (patch) | |
| tree | 3559425a0c9b4759b25cc95b2690d139cfdfcc96 /arch/arm/mach-omap2 | |
| parent | e03d37d85909fd9b09e78087c57b45972a7664ad (diff) | |
| download | kernel_samsung_smdk4412-b7ebb10b0a9793effa4a74a3c29049b44c6b8176.zip kernel_samsung_smdk4412-b7ebb10b0a9793effa4a74a3c29049b44c6b8176.tar.gz kernel_samsung_smdk4412-b7ebb10b0a9793effa4a74a3c29049b44c6b8176.tar.bz2 | |
omap2/3/4: ioremap omap_globals module
This is a clean-up patch towards dynamic allocation of IO space
instead of using harcoded macros to calculate virtual addresses.
Also update the sdrc, prcm and control module to allocate
iospace dynamically
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/control.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/prcm.c | 16 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/sdrc.c | 11 |
3 files changed, 27 insertions, 6 deletions
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index cdd1f35..43f8a33 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -140,7 +140,11 @@ static struct omap3_control_regs control_context; void __init omap2_set_globals_control(struct omap_globals *omap2_globals) { - omap2_ctrl_base = omap2_globals->ctrl; + /* Static mapping, never released */ + if (omap2_globals->ctrl) { + omap2_ctrl_base = ioremap(omap2_globals->ctrl, SZ_4K); + WARN_ON(!omap2_ctrl_base); + } } void __iomem *omap_ctrl_base_get(void) diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index e8e121a..338d5f6 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -279,9 +279,19 @@ int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name) void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals) { - prm_base = omap2_globals->prm; - cm_base = omap2_globals->cm; - cm2_base = omap2_globals->cm2; + /* Static mapping, never released */ + if (omap2_globals->prm) { + prm_base = ioremap(omap2_globals->prm, SZ_8K); + WARN_ON(!prm_base); + } + if (omap2_globals->cm) { + cm_base = ioremap(omap2_globals->cm, SZ_8K); + WARN_ON(!cm_base); + } + if (omap2_globals->cm2) { + cm2_base = ioremap(omap2_globals->cm2, SZ_8K); + WARN_ON(!cm2_base); + } } #ifdef CONFIG_ARCH_OMAP3 diff --git a/arch/arm/mach-omap2/sdrc.c b/arch/arm/mach-omap2/sdrc.c index cbfbd14..4c65f56 100644 --- a/arch/arm/mach-omap2/sdrc.c +++ b/arch/arm/mach-omap2/sdrc.c @@ -119,8 +119,15 @@ int omap2_sdrc_get_params(unsigned long r, void __init omap2_set_globals_sdrc(struct omap_globals *omap2_globals) { - omap2_sdrc_base = omap2_globals->sdrc; - omap2_sms_base = omap2_globals->sms; + /* Static mapping, never released */ + if (omap2_globals->sdrc) { + omap2_sdrc_base = ioremap(omap2_globals->sdrc, SZ_64K); + WARN_ON(!omap2_sdrc_base); + } + if (omap2_globals->sms) { + omap2_sms_base = ioremap(omap2_globals->sms, SZ_64K); + WARN_ON(!omap2_sms_base); + } } /** |