OMAP3: remove unused code from the ASM sleep code
Remove unused code: - macros, - variables, - unused semaphore locking API. This API shall be added back when needed, - infinite loops for debug. Tested on N900 and Beagleboard with full RET and OFF modes, using cpuidle and suspend. Signed-off-by: Jean Pihet <j-pihet@ti.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: Nishanth Menon <nm@ti.com> Tested-by: Nishanth Menon<nm@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>hifive-unleashed-5.1
Jean Pihet
Kevin Hilman
parent
cc1b602887
commit
d3cdfd2a15
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@ -80,7 +80,6 @@ extern void save_secure_ram_context(u32 *addr);
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extern void omap3_save_scratchpad_contents(void);
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extern unsigned int omap24xx_idle_loop_suspend_sz;
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extern unsigned int omap34xx_suspend_sz;
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extern unsigned int save_secure_ram_context_sz;
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extern unsigned int omap24xx_cpu_suspend_sz;
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extern unsigned int omap34xx_cpu_suspend_sz;
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@ -35,11 +35,7 @@
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#define SDRC_SCRATCHPAD_SEM_V 0xfa00291c
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#define PM_PREPWSTST_CORE_V OMAP34XX_PRM_REGADDR(CORE_MOD, \
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OMAP3430_PM_PREPWSTST)
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#define PM_PREPWSTST_CORE_P 0x48306AE8
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#define PM_PREPWSTST_MPU_V OMAP34XX_PRM_REGADDR(MPU_MOD, \
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OMAP3430_PM_PREPWSTST)
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#define PM_PWSTCTRL_MPU_P OMAP3430_PRM_BASE + MPU_MOD + OMAP2_PM_PWSTCTRL
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#define CM_IDLEST1_CORE_V OMAP34XX_CM_REGADDR(CORE_MOD, CM_IDLEST1)
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#define CM_IDLEST_CKGEN_V OMAP34XX_CM_REGADDR(PLL_MOD, CM_IDLEST)
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@ -62,36 +58,10 @@
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#define SDRC_DLLA_STATUS_V OMAP34XX_SDRC_REGADDR(SDRC_DLLA_STATUS)
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#define SDRC_DLLA_CTRL_V OMAP34XX_SDRC_REGADDR(SDRC_DLLA_CTRL)
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.text
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/* Function to acquire the semaphore in scratchpad */
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ENTRY(lock_scratchpad_sem)
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stmfd sp!, {lr} @ save registers on stack
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wait_sem:
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mov r0,#1
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ldr r1, sdrc_scratchpad_sem
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wait_loop:
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ldr r2, [r1] @ load the lock value
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cmp r2, r0 @ is the lock free ?
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beq wait_loop @ not free...
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swp r2, r0, [r1] @ semaphore free so lock it and proceed
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cmp r2, r0 @ did we succeed ?
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beq wait_sem @ no - try again
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ldmfd sp!, {pc} @ restore regs and return
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sdrc_scratchpad_sem:
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.word SDRC_SCRATCHPAD_SEM_V
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ENTRY(lock_scratchpad_sem_sz)
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.word . - lock_scratchpad_sem
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.text
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/* Function to release the scratchpad semaphore */
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ENTRY(unlock_scratchpad_sem)
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stmfd sp!, {lr} @ save registers on stack
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ldr r3, sdrc_scratchpad_sem
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mov r2,#0
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str r2,[r3]
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ldmfd sp!, {pc} @ restore regs and return
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ENTRY(unlock_scratchpad_sem_sz)
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.word . - unlock_scratchpad_sem
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/*
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* API functions
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*/
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.text
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/* Function call to get the restore pointer for resume from OFF */
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@ -178,8 +148,7 @@ ENTRY(es3_sdrc_fix_sz)
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/* Function to call rom code to save secure ram context */
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ENTRY(save_secure_ram_context)
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stmfd sp!, {r1-r12, lr} @ save registers on stack
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save_secure_ram_debug:
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/* b save_secure_ram_debug */ @ enable to debug save code
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adr r3, api_params @ r3 points to parameters
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str r0, [r3,#0x4] @ r0 has sdram address
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ldr r12, high_mask
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@ -219,8 +188,7 @@ ENTRY(save_secure_ram_context_sz)
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*/
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ENTRY(omap34xx_cpu_suspend)
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stmfd sp!, {r0-r12, lr} @ save registers on stack
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loop:
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/*b loop*/ @Enable to debug by stepping through code
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/* r0 contains restore pointer in sdram */
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/* r1 contains information about saving context */
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ldr r4, sdrc_power @ read the SDRC_POWER register
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@ -252,7 +220,6 @@ loop:
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ldmfd sp!, {r0-r12, pc} @ restore regs and return
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restore_es3:
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/*b restore_es3*/ @ Enable to debug restore code
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ldr r5, pm_prepwstst_core_p
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ldr r4, [r5]
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and r4, r4, #0x3
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@ -272,7 +239,6 @@ copy_to_sram:
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b restore
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restore_3630:
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/*b restore_es3630*/ @ Enable to debug restore code
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ldr r1, pm_prepwstst_core_p
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ldr r2, [r1]
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and r2, r2, #0x3
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@ -284,7 +250,6 @@ restore_3630:
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str r2, [r1]
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/* Fall thru for the remaining logic */
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restore:
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/* b restore*/ @ Enable to debug restore code
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/* Check what was the reason for mpu reset and store the reason in r9*/
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/* 1 - Only L1 and logic lost */
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/* 2 - Only L2 lost - In this case, we wont be here */
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@ -493,7 +458,6 @@ usettbr0:
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ldmfd sp!, {r0-r12, pc} @ restore regs and return
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save_context_wfi:
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/*b save_context_wfi*/ @ enable to debug save code
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mov r8, r0 /* Store SDRAM address in r8 */
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mrc p15, 0, r5, c1, c0, 1 @ Read Auxiliary Control Register
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mov r4, #0x1 @ Number of parameters for restore call
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@ -673,12 +637,8 @@ sdrc_dlla_status:
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.word SDRC_DLLA_STATUS_V
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sdrc_dlla_ctrl:
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.word SDRC_DLLA_CTRL_V
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pm_prepwstst_core:
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.word PM_PREPWSTST_CORE_V
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pm_prepwstst_core_p:
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.word PM_PREPWSTST_CORE_P
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pm_prepwstst_mpu:
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.word PM_PREPWSTST_MPU_V
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pm_pwstctrl_mpu:
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.word PM_PWSTCTRL_MPU_P
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scratchpad_base:
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@ -687,12 +647,6 @@ sram_base:
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.word SRAM_BASE_P + 0x8000
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sdrc_power:
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.word SDRC_POWER_V
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clk_stabilize_delay:
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.word 0x000001FF
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assoc_mask:
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.word 0x3ff
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numset_mask:
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.word 0x7fff
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ttbrbit_mask:
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.word 0xFFFFC000
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table_index_mask:
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