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Diffstat (limited to 'arch/arm/mach-omap2/prcm.c')
-rw-r--r--arch/arm/mach-omap2/prcm.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 029d376198d4..3ea8177ffb25 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -34,6 +34,7 @@
34 34
35static void __iomem *prm_base; 35static void __iomem *prm_base;
36static void __iomem *cm_base; 36static void __iomem *cm_base;
37static void __iomem *cm2_base;
37 38
38#define MAX_MODULE_ENABLE_WAIT 100000 39#define MAX_MODULE_ENABLE_WAIT 100000
39 40
@@ -170,14 +171,12 @@ u32 prm_read_mod_reg(s16 module, u16 idx)
170{ 171{
171 return __omap_prcm_read(prm_base, module, idx); 172 return __omap_prcm_read(prm_base, module, idx);
172} 173}
173EXPORT_SYMBOL(prm_read_mod_reg);
174 174
175/* Write into a register in a PRM module */ 175/* Write into a register in a PRM module */
176void prm_write_mod_reg(u32 val, s16 module, u16 idx) 176void prm_write_mod_reg(u32 val, s16 module, u16 idx)
177{ 177{
178 __omap_prcm_write(val, prm_base, module, idx); 178 __omap_prcm_write(val, prm_base, module, idx);
179} 179}
180EXPORT_SYMBOL(prm_write_mod_reg);
181 180
182/* Read-modify-write a register in a PRM module. Caller must lock */ 181/* Read-modify-write a register in a PRM module. Caller must lock */
183u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx) 182u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
@@ -191,21 +190,18 @@ u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
191 190
192 return v; 191 return v;
193} 192}
194EXPORT_SYMBOL(prm_rmw_mod_reg_bits);
195 193
196/* Read a register in a CM module */ 194/* Read a register in a CM module */
197u32 cm_read_mod_reg(s16 module, u16 idx) 195u32 cm_read_mod_reg(s16 module, u16 idx)
198{ 196{
199 return __omap_prcm_read(cm_base, module, idx); 197 return __omap_prcm_read(cm_base, module, idx);
200} 198}
201EXPORT_SYMBOL(cm_read_mod_reg);
202 199
203/* Write into a register in a CM module */ 200/* Write into a register in a CM module */
204void cm_write_mod_reg(u32 val, s16 module, u16 idx) 201void cm_write_mod_reg(u32 val, s16 module, u16 idx)
205{ 202{
206 __omap_prcm_write(val, cm_base, module, idx); 203 __omap_prcm_write(val, cm_base, module, idx);
207} 204}
208EXPORT_SYMBOL(cm_write_mod_reg);
209 205
210/* Read-modify-write a register in a CM module. Caller must lock */ 206/* Read-modify-write a register in a CM module. Caller must lock */
211u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx) 207u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
@@ -219,7 +215,6 @@ u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
219 215
220 return v; 216 return v;
221} 217}
222EXPORT_SYMBOL(cm_rmw_mod_reg_bits);
223 218
224/** 219/**
225 * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness 220 * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness
@@ -247,9 +242,8 @@ int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name)
247 BUG(); 242 BUG();
248 243
249 /* Wait for lock */ 244 /* Wait for lock */
250 while (((__raw_readl(reg) & mask) != ena) && 245 omap_test_timeout(((__raw_readl(reg) & mask) == ena),
251 (i++ < MAX_MODULE_ENABLE_WAIT)) 246 MAX_MODULE_ENABLE_WAIT, i);
252 udelay(1);
253 247
254 if (i < MAX_MODULE_ENABLE_WAIT) 248 if (i < MAX_MODULE_ENABLE_WAIT)
255 pr_debug("cm: Module associated with clock %s ready after %d " 249 pr_debug("cm: Module associated with clock %s ready after %d "
@@ -265,6 +259,7 @@ void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals)
265{ 259{
266 prm_base = omap2_globals->prm; 260 prm_base = omap2_globals->prm;
267 cm_base = omap2_globals->cm; 261 cm_base = omap2_globals->cm;
262 cm2_base = omap2_globals->cm2;
268} 263}
269 264
270#ifdef CONFIG_ARCH_OMAP3 265#ifdef CONFIG_ARCH_OMAP3