ARM: OMAP2+: Add clock domain support for dm816x
This patch adds required definitions and structures for clockdomain
initialization, so omap3xxx_clockdomains_init() was substituted by
new ti81xx_clockdomains_init() while early initialization of
TI81XX platform.
Note that we now need to have 81xx in a separate CONFIG_SOC_TI81XX
block instead inside the ifdef block for omap3 to avoid make
randconfig build errors.
This code is based on the TI81XX-LINUX-PSP-04.04.00.02 patches
published at:
http://downloads.ti.com/dsps/dsps_public_sw/psp/LinuxPSP/TI81XX_04_04/04_04_00_02/index_FDS.html
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Aida Mynzhasova <aida.mynzhasova@skitlab.ru>
[tony@atomide.com: updated to apply, renamed to clockdomains81xx.c,
fixed to use am33xx_clkdm_operations, various fixes suggested by
Paul Walmsley]
Reviewed-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index e4a5630..ed3e6e8 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -492,44 +492,6 @@
omap_clk_soc_init = am35xx_dt_clk_init;
}
-void __init ti814x_init_early(void)
-{
- omap2_set_globals_tap(TI814X_CLASS,
- OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
- NULL);
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
- omap3xxx_check_revision();
- ti81xx_check_features();
- omap3xxx_voltagedomains_init();
- omap3xxx_powerdomains_init();
- omap3xxx_clockdomains_init();
- omap3xxx_hwmod_init();
- omap_hwmod_init_postsetup();
- if (of_have_populated_dt())
- omap_clk_soc_init = ti81xx_dt_clk_init;
-}
-
-void __init ti816x_init_early(void)
-{
- omap2_set_globals_tap(TI816X_CLASS,
- OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
- omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
- NULL);
- omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
- omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
- omap3xxx_check_revision();
- ti81xx_check_features();
- omap3xxx_voltagedomains_init();
- omap3xxx_powerdomains_init();
- omap3xxx_clockdomains_init();
- omap3xxx_hwmod_init();
- omap_hwmod_init_postsetup();
- if (of_have_populated_dt())
- omap_clk_soc_init = ti81xx_dt_clk_init;
-}
-
void __init omap3_init_late(void)
{
omap_common_late_init();
@@ -572,6 +534,46 @@
}
#endif
+#ifdef CONFIG_SOC_TI81XX
+void __init ti814x_init_early(void)
+{
+ omap2_set_globals_tap(TI814X_CLASS,
+ OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
+ omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
+ NULL);
+ omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
+ omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
+ omap3xxx_check_revision();
+ ti81xx_check_features();
+ omap3xxx_voltagedomains_init();
+ omap3xxx_powerdomains_init();
+ ti81xx_clockdomains_init();
+ omap3xxx_hwmod_init();
+ omap_hwmod_init_postsetup();
+ if (of_have_populated_dt())
+ omap_clk_soc_init = ti81xx_dt_clk_init;
+}
+
+void __init ti816x_init_early(void)
+{
+ omap2_set_globals_tap(TI816X_CLASS,
+ OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
+ omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
+ NULL);
+ omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
+ omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
+ omap3xxx_check_revision();
+ ti81xx_check_features();
+ omap3xxx_voltagedomains_init();
+ omap3xxx_powerdomains_init();
+ ti81xx_clockdomains_init();
+ omap3xxx_hwmod_init();
+ omap_hwmod_init_postsetup();
+ if (of_have_populated_dt())
+ omap_clk_soc_init = ti81xx_dt_clk_init;
+}
+#endif
+
#ifdef CONFIG_SOC_AM33XX
void __init am33xx_init_early(void)
{