* 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
#include <plat/control.h>
#include "clock.h"
+#include "clock2xxx.h"
#include "cm.h"
#include "prm.h"
#include "prm-regbits-24xx.h"
u32 iva2_cm_clksel2;
u32 cm_sysconfig;
u32 sgx_cm_clksel;
- u32 wkup_cm_clksel;
u32 dss_cm_clksel;
u32 cam_cm_clksel;
u32 per_cm_clksel;
u32 pll_cm_autoidle2;
u32 pll_cm_clksel4;
u32 pll_cm_clksel5;
- u32 pll_cm_clken;
u32 pll_cm_clken2;
u32 cm_polctrl;
u32 iva2_cm_fclken;
u32 usbhost_cm_iclken;
u32 iva2_cm_autiidle2;
u32 mpu_cm_autoidle2;
- u32 pll_cm_autoidle;
u32 iva2_cm_clkstctrl;
u32 mpu_cm_clkstctrl;
u32 core_cm_clkstctrl;
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);
void omap_prcm_arch_reset(char mode)
{
s16 prcm_offs;
- omap2_clk_prepare_for_reboot();
- if (cpu_is_omap24xx())
+ if (cpu_is_omap24xx()) {
+ omap2xxx_clk_prepare_for_reboot();
+
prcm_offs = WKUP_MOD;
- else if (cpu_is_omap34xx()) {
+ } else if (cpu_is_omap34xx()) {
u32 l;
prcm_offs = OMAP3430_GR_MOD;
* 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)
return v;
}
+/* Read a PRM register, AND it, and shift the result down to bit 0 */
+u32 prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
+{
+ u32 v;
+
+ v = prm_read_mod_reg(domain, idx);
+ v &= mask;
+ v >>= __ffs(mask);
+
+ return v;
+}
+
/* Read a register in a CM module */
u32 cm_read_mod_reg(s16 module, u16 idx)
{
* omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness
* @reg: physical address of module IDLEST register
* @mask: value to mask against to determine if the module is active
+ * @idlest: idle state indicator (0 or 1) for the clock
* @name: name of the clock (for printk)
*
* Returns 1 if the module indicated readiness in time, or 0 if it
* failed to enable in roughly MAX_MODULE_ENABLE_WAIT microseconds.
*/
-int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name)
+int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest,
+ const char *name)
{
int i = 0;
int ena = 0;
- /*
- * 24xx uses 0 to indicate not ready, and 1 to indicate ready.
- * 34xx reverses this, just to keep us on our toes
- */
- if (cpu_is_omap24xx())
- ena = mask;
- else if (cpu_is_omap34xx())
+ if (idlest)
ena = 0;
else
- BUG();
+ ena = mask;
/* Wait for lock */
omap_test_timeout(((__raw_readl(reg) & mask) == ena),
prcm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG);
prcm_context.sgx_cm_clksel =
cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL);
- prcm_context.wkup_cm_clksel = cm_read_mod_reg(WKUP_MOD, CM_CLKSEL);
prcm_context.dss_cm_clksel =
cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL);
prcm_context.cam_cm_clksel =
prcm_context.emu_cm_clksel =
cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSEL1);
prcm_context.emu_cm_clkstctrl =
- cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(OMAP3430_EMU_MOD, OMAP2_CM_CLKSTCTRL);
prcm_context.pll_cm_autoidle2 =
cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE2);
prcm_context.pll_cm_clksel4 =
cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4);
prcm_context.pll_cm_clksel5 =
cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5);
- prcm_context.pll_cm_clken =
- cm_read_mod_reg(PLL_MOD, CM_CLKEN);
prcm_context.pll_cm_clken2 =
cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2);
prcm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL);
cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2);
prcm_context.mpu_cm_autoidle2 =
cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2);
- prcm_context.pll_cm_autoidle =
- cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
prcm_context.iva2_cm_clkstctrl =
- cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL);
prcm_context.mpu_cm_clkstctrl =
- cm_read_mod_reg(MPU_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(MPU_MOD, OMAP2_CM_CLKSTCTRL);
prcm_context.core_cm_clkstctrl =
- cm_read_mod_reg(CORE_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(CORE_MOD, OMAP2_CM_CLKSTCTRL);
prcm_context.sgx_cm_clkstctrl =
- cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(OMAP3430ES2_SGX_MOD,
+ OMAP2_CM_CLKSTCTRL);
prcm_context.dss_cm_clkstctrl =
- cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP2_CM_CLKSTCTRL);
prcm_context.cam_cm_clkstctrl =
- cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP2_CM_CLKSTCTRL);
prcm_context.per_cm_clkstctrl =
- cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(OMAP3430_PER_MOD, OMAP2_CM_CLKSTCTRL);
prcm_context.neon_cm_clkstctrl =
- cm_read_mod_reg(OMAP3430_NEON_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(OMAP3430_NEON_MOD, OMAP2_CM_CLKSTCTRL);
prcm_context.usbhost_cm_clkstctrl =
- cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_CLKSTCTRL);
+ cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD,
+ OMAP2_CM_CLKSTCTRL);
prcm_context.core_cm_autoidle1 =
cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE1);
prcm_context.core_cm_autoidle2 =
__raw_writel(prcm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG);
cm_write_mod_reg(prcm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD,
CM_CLKSEL);
- cm_write_mod_reg(prcm_context.wkup_cm_clksel, WKUP_MOD, CM_CLKSEL);
cm_write_mod_reg(prcm_context.dss_cm_clksel, OMAP3430_DSS_MOD,
CM_CLKSEL);
cm_write_mod_reg(prcm_context.cam_cm_clksel, OMAP3430_CAM_MOD,
cm_write_mod_reg(prcm_context.emu_cm_clksel, OMAP3430_EMU_MOD,
CM_CLKSEL1);
cm_write_mod_reg(prcm_context.emu_cm_clkstctrl, OMAP3430_EMU_MOD,
- CM_CLKSTCTRL);
+ OMAP2_CM_CLKSTCTRL);
cm_write_mod_reg(prcm_context.pll_cm_autoidle2, PLL_MOD,
CM_AUTOIDLE2);
cm_write_mod_reg(prcm_context.pll_cm_clksel4, PLL_MOD,
OMAP3430ES2_CM_CLKSEL4);
cm_write_mod_reg(prcm_context.pll_cm_clksel5, PLL_MOD,
OMAP3430ES2_CM_CLKSEL5);
- cm_write_mod_reg(prcm_context.pll_cm_clken, PLL_MOD, CM_CLKEN);
cm_write_mod_reg(prcm_context.pll_cm_clken2, PLL_MOD,
OMAP3430ES2_CM_CLKEN2);
__raw_writel(prcm_context.cm_polctrl, OMAP3430_CM_POLCTRL);
cm_write_mod_reg(prcm_context.iva2_cm_autiidle2, OMAP3430_IVA2_MOD,
CM_AUTOIDLE2);
cm_write_mod_reg(prcm_context.mpu_cm_autoidle2, MPU_MOD, CM_AUTOIDLE2);
- cm_write_mod_reg(prcm_context.pll_cm_autoidle, PLL_MOD, CM_AUTOIDLE);
cm_write_mod_reg(prcm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD,
- CM_CLKSTCTRL);
- cm_write_mod_reg(prcm_context.mpu_cm_clkstctrl, MPU_MOD, CM_CLKSTCTRL);
+ OMAP2_CM_CLKSTCTRL);
+ cm_write_mod_reg(prcm_context.mpu_cm_clkstctrl, MPU_MOD,
+ OMAP2_CM_CLKSTCTRL);
cm_write_mod_reg(prcm_context.core_cm_clkstctrl, CORE_MOD,
- CM_CLKSTCTRL);
+ OMAP2_CM_CLKSTCTRL);
cm_write_mod_reg(prcm_context.sgx_cm_clkstctrl, OMAP3430ES2_SGX_MOD,
- CM_CLKSTCTRL);
+ OMAP2_CM_CLKSTCTRL);
cm_write_mod_reg(prcm_context.dss_cm_clkstctrl, OMAP3430_DSS_MOD,
- CM_CLKSTCTRL);
+ OMAP2_CM_CLKSTCTRL);
cm_write_mod_reg(prcm_context.cam_cm_clkstctrl, OMAP3430_CAM_MOD,
- CM_CLKSTCTRL);
+ OMAP2_CM_CLKSTCTRL);
cm_write_mod_reg(prcm_context.per_cm_clkstctrl, OMAP3430_PER_MOD,
- CM_CLKSTCTRL);
+ OMAP2_CM_CLKSTCTRL);
cm_write_mod_reg(prcm_context.neon_cm_clkstctrl, OMAP3430_NEON_MOD,
- CM_CLKSTCTRL);
+ OMAP2_CM_CLKSTCTRL);
cm_write_mod_reg(prcm_context.usbhost_cm_clkstctrl,
- OMAP3430ES2_USBHOST_MOD, CM_CLKSTCTRL);
+ OMAP3430ES2_USBHOST_MOD, OMAP2_CM_CLKSTCTRL);
cm_write_mod_reg(prcm_context.core_cm_autoidle1, CORE_MOD,
CM_AUTOIDLE1);
cm_write_mod_reg(prcm_context.core_cm_autoidle2, CORE_MOD,
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