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| author | Abhijit Pagare <abhijitpagare@ti.com> | 2010-01-26 20:12:51 -0700 |
|---|---|---|
| committer | Paul Walmsley <paul@pwsan.com> | 2010-01-26 20:12:51 -0700 |
| commit | 3790300903e6a98ce5f5391f4d435959266f79e7 (patch) | |
| tree | cd78bf9d180466df0cd5b2f0c5b5c46d6471a54e /arch/arm/mach-omap2/prcm.c | |
| parent | c6a6e6e203ee9a34fa53f773272f21d48b4e3454 (diff) | |
| download | linux-stable-3790300903e6a98ce5f5391f4d435959266f79e7.tar.gz linux-stable-3790300903e6a98ce5f5391f4d435959266f79e7.tar.bz2 linux-stable-3790300903e6a98ce5f5391f4d435959266f79e7.zip | |
ARM: OMAP4: PM: OMAP4 Power Domain Porting Related Clean-up.
Module offsets were same for OMAP2 and OMAP3 while they differ for OMAP4.
Hence we need different macros for identifying platform specific offsets.
Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/prcm.c')
| -rw-r--r-- | arch/arm/mach-omap2/prcm.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index cf466ea1dffc..b4ba14974b37 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -11,6 +11,7 @@ * Rajendra Nayak <rnayak@ti.com> * * Some pieces of code Copyright (C) 2005 Texas Instruments, Inc. + * Upgraded with OMAP4 support by Abhijit Pagare <abhijitpagare@ti.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -121,7 +122,10 @@ struct omap3_prcm_regs prcm_context; u32 omap_prcm_get_reset_sources(void) { /* XXX This presumably needs modification for 34XX */ - return prm_read_mod_reg(WKUP_MOD, RM_RSTST) & 0x7f; + if (cpu_is_omap24xx() | cpu_is_omap34xx()) + return prm_read_mod_reg(WKUP_MOD, OMAP2_RM_RSTST) & 0x7f; + if (cpu_is_omap44xx()) + return prm_read_mod_reg(WKUP_MOD, OMAP4_RM_RSTST) & 0x7f; } EXPORT_SYMBOL(omap_prcm_get_reset_sources); @@ -144,10 +148,17 @@ void omap_prcm_arch_reset(char mode) * cf. OMAP34xx TRM, Initialization / Software Booting * Configuration. */ omap_writel(l, OMAP343X_SCRATCHPAD + 4); - } else + } else if (cpu_is_omap44xx()) + prcm_offs = OMAP4430_PRM_DEVICE_MOD; + else WARN_ON(1); - prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, RM_RSTCTRL); + if (cpu_is_omap24xx() | cpu_is_omap34xx()) + prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, + OMAP2_RM_RSTCTRL); + if (cpu_is_omap44xx()) + prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, + OMAP4_RM_RSTCTRL); } static inline u32 __omap_prcm_read(void __iomem *base, s16 module, u16 reg) |