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Diffstat (limited to 'arch/arm/mach-omap2/powerdomain2xxx_3xxx.c')
-rw-r--r--arch/arm/mach-omap2/powerdomain2xxx_3xxx.c242
1 files changed, 0 insertions, 242 deletions
diff --git a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
deleted file mode 100644
index 3950ccfe5f4..00000000000
--- a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
+++ /dev/null
@@ -1,242 +0,0 @@
-/*
- * OMAP2 and OMAP3 powerdomain control
- *
- * Copyright (C) 2009-2011 Texas Instruments, Inc.
- * Copyright (C) 2007-2009 Nokia Corporation
- *
- * Derived from mach-omap2/powerdomain.c written by Paul Walmsley
- * Rajendra Nayak <rnayak@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
- * published by the Free Software Foundation.
- */
-
-#include <linux/io.h>
-#include <linux/errno.h>
-#include <linux/delay.h>
-#include <linux/bug.h>
-
-#include <plat/prcm.h>
-
-#include "powerdomain.h"
-#include "prm.h"
-#include "prm-regbits-24xx.h"
-#include "prm-regbits-34xx.h"
-
-
-/* Common functions across OMAP2 and OMAP3 */
-static int omap2_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
-{
- omap2_prm_rmw_mod_reg_bits(OMAP_POWERSTATE_MASK,
- (pwrst << OMAP_POWERSTATE_SHIFT),
- pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL);
- return 0;
-}
-
-static int omap2_pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
-{
- return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
- OMAP2_PM_PWSTCTRL,
- OMAP_POWERSTATE_MASK);
-}
-
-static int omap2_pwrdm_read_pwrst(struct powerdomain *pwrdm)
-{
- return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
- OMAP2_PM_PWSTST,
- OMAP_POWERSTATEST_MASK);
-}
-
-static int omap2_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank,
- u8 pwrst)
-{
- u32 m;
-
- m = omap2_pwrdm_get_mem_bank_onstate_mask(bank);
-
- omap2_prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), pwrdm->prcm_offs,
- OMAP2_PM_PWSTCTRL);
-
- return 0;
-}
-
-static int omap2_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank,
- u8 pwrst)
-{
- u32 m;
-
- m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
-
- omap2_prm_rmw_mod_reg_bits(m, (pwrst << __ffs(m)), pwrdm->prcm_offs,
- OMAP2_PM_PWSTCTRL);
-
- return 0;
-}
-
-static int omap2_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
-{
- u32 m;
-
- m = omap2_pwrdm_get_mem_bank_stst_mask(bank);
-
- return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs, OMAP2_PM_PWSTST,
- m);
-}
-
-static int omap2_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank)
-{
- u32 m;
-
- m = omap2_pwrdm_get_mem_bank_retst_mask(bank);
-
- return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
- OMAP2_PM_PWSTCTRL, m);
-}
-
-static int omap2_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
-{
- u32 v;
-
- v = pwrst << __ffs(OMAP3430_LOGICL1CACHERETSTATE_MASK);
- omap2_prm_rmw_mod_reg_bits(OMAP3430_LOGICL1CACHERETSTATE_MASK, v,
- pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL);
-
- return 0;
-}
-
-static int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm)
-{
- u32 c = 0;
-
- /*
- * REVISIT: pwrdm_wait_transition() may be better implemented
- * via a callback and a periodic timer check -- how long do we expect
- * powerdomain transitions to take?
- */
-
- /* XXX Is this udelay() value meaningful? */
- while ((omap2_prm_read_mod_reg(pwrdm->prcm_offs, OMAP2_PM_PWSTST) &
- OMAP_INTRANSITION_MASK) &&
- (c++ < PWRDM_TRANSITION_BAILOUT))
- udelay(1);
-
- if (c > PWRDM_TRANSITION_BAILOUT) {
- pr_err("powerdomain: %s: waited too long to complete transition\n",
- pwrdm->name);
- return -EAGAIN;
- }
-
- pr_debug("powerdomain: completed transition in %d loops\n", c);
-
- return 0;
-}
-
-/* Applicable only for OMAP3. Not supported on OMAP2 */
-static int omap3_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm)
-{
- return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
- OMAP3430_PM_PREPWSTST,
- OMAP3430_LASTPOWERSTATEENTERED_MASK);
-}
-
-static int omap3_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
-{
- return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
- OMAP2_PM_PWSTST,
- OMAP3430_LOGICSTATEST_MASK);
-}
-
-static int omap3_pwrdm_read_logic_retst(struct powerdomain *pwrdm)
-{
- return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
- OMAP2_PM_PWSTCTRL,
- OMAP3430_LOGICSTATEST_MASK);
-}
-
-static int omap3_pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm)
-{
- return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
- OMAP3430_PM_PREPWSTST,
- OMAP3430_LASTLOGICSTATEENTERED_MASK);
-}
-
-static int omap3_get_mem_bank_lastmemst_mask(u8 bank)
-{
- switch (bank) {
- case 0:
- return OMAP3430_LASTMEM1STATEENTERED_MASK;
- case 1:
- return OMAP3430_LASTMEM2STATEENTERED_MASK;
- case 2:
- return OMAP3430_LASTSHAREDL2CACHEFLATSTATEENTERED_MASK;
- case 3:
- return OMAP3430_LASTL2FLATMEMSTATEENTERED_MASK;
- default:
- WARN_ON(1); /* should never happen */
- return -EEXIST;
- }
- return 0;
-}
-
-static int omap3_pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank)
-{
- u32 m;
-
- m = omap3_get_mem_bank_lastmemst_mask(bank);
-
- return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
- OMAP3430_PM_PREPWSTST, m);
-}
-
-static int omap3_pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
-{
- omap2_prm_write_mod_reg(0, pwrdm->prcm_offs, OMAP3430_PM_PREPWSTST);
- return 0;
-}
-
-static int omap3_pwrdm_enable_hdwr_sar(struct powerdomain *pwrdm)
-{
- return omap2_prm_rmw_mod_reg_bits(0,
- 1 << OMAP3430ES2_SAVEANDRESTORE_SHIFT,
- pwrdm->prcm_offs, OMAP2_PM_PWSTCTRL);
-}
-
-static int omap3_pwrdm_disable_hdwr_sar(struct powerdomain *pwrdm)
-{
- return omap2_prm_rmw_mod_reg_bits(1 << OMAP3430ES2_SAVEANDRESTORE_SHIFT,
- 0, pwrdm->prcm_offs,
- OMAP2_PM_PWSTCTRL);
-}
-
-struct pwrdm_ops omap2_pwrdm_operations = {
- .pwrdm_set_next_pwrst = omap2_pwrdm_set_next_pwrst,
- .pwrdm_read_next_pwrst = omap2_pwrdm_read_next_pwrst,
- .pwrdm_read_pwrst = omap2_pwrdm_read_pwrst,
- .pwrdm_set_logic_retst = omap2_pwrdm_set_logic_retst,
- .pwrdm_set_mem_onst = omap2_pwrdm_set_mem_onst,
- .pwrdm_set_mem_retst = omap2_pwrdm_set_mem_retst,
- .pwrdm_read_mem_pwrst = omap2_pwrdm_read_mem_pwrst,
- .pwrdm_read_mem_retst = omap2_pwrdm_read_mem_retst,
- .pwrdm_wait_transition = omap2_pwrdm_wait_transition,
-};
-
-struct pwrdm_ops omap3_pwrdm_operations = {
- .pwrdm_set_next_pwrst = omap2_pwrdm_set_next_pwrst,
- .pwrdm_read_next_pwrst = omap2_pwrdm_read_next_pwrst,
- .pwrdm_read_pwrst = omap2_pwrdm_read_pwrst,
- .pwrdm_read_prev_pwrst = omap3_pwrdm_read_prev_pwrst,
- .pwrdm_set_logic_retst = omap2_pwrdm_set_logic_retst,
- .pwrdm_read_logic_pwrst = omap3_pwrdm_read_logic_pwrst,
- .pwrdm_read_logic_retst = omap3_pwrdm_read_logic_retst,
- .pwrdm_read_prev_logic_pwrst = omap3_pwrdm_read_prev_logic_pwrst,
- .pwrdm_set_mem_onst = omap2_pwrdm_set_mem_onst,
- .pwrdm_set_mem_retst = omap2_pwrdm_set_mem_retst,
- .pwrdm_read_mem_pwrst = omap2_pwrdm_read_mem_pwrst,
- .pwrdm_read_mem_retst = omap2_pwrdm_read_mem_retst,
- .pwrdm_read_prev_mem_pwrst = omap3_pwrdm_read_prev_mem_pwrst,
- .pwrdm_clear_all_prev_pwrst = omap3_pwrdm_clear_all_prev_pwrst,
- .pwrdm_enable_hdwr_sar = omap3_pwrdm_enable_hdwr_sar,
- .pwrdm_disable_hdwr_sar = omap3_pwrdm_disable_hdwr_sar,
- .pwrdm_wait_transition = omap2_pwrdm_wait_transition,
-};
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