]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/commitdiff
OMAP3 SRAM: remove unused functions; rename remainder
authorPaul Walmsley <paul@pwsan.com>
Tue, 8 Jul 2008 02:55:10 +0000 (20:55 -0600)
committerTony Lindgren <tony@atomide.com>
Tue, 5 Aug 2008 12:12:03 +0000 (15:12 +0300)
The only SRAM function currently used on OMAP3 is the CORE DPLL M2 divider
reprogramming function; remove the rest of the stubs.

Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/mach-omap2/sdram-micron-mt46h32m32lf-6.h
arch/arm/mach-omap2/sram34xx.S
arch/arm/plat-omap/sram.c
include/asm-arm/arch-omap/sram.h

index f0ec1042fa69c203e3d9951d587350ba3fa39780..d7c41939604dac39fd43431eaff1303bc9a45eb3 100644 (file)
@@ -18,7 +18,7 @@
 
 /* Micron MT46H32M32LF-6 */
 /* XXX Using ARE = 0x1 (no autorefresh burst) -- can this be changed? */
-static struct omap_sdrc_params mt46h32m32lf_sdrc_params[] = {
+static struct omap_sdrc_params mt46h32m32lf6_sdrc_params[] = {
        [0] = {
                .rate        = 165941176,
                .actim_ctrla = 0x9a9db4c6,
index 74873df4c5b672d8feeb3d79302d7c9af0a17de6..63db781908e12a8b5c6e7a393e241dadc1c25d30 100644 (file)
 
        .text
 
-ENTRY(omap34xx_sram_ddr_init)
-       stmfd   sp!, {r0 - r12, lr}     @ save registers on stack
-       ldmfd   sp!, {r0 - r12, pc}     @ restore regs and return
-ENTRY(omap34xx_sram_ddr_init_sz)
-       .word   . - omap34xx_sram_ddr_init
-
-ENTRY(omap34xx_sram_reprogram_sdrc)
-       stmfd   sp!, {r0 - r10, lr}     @ save registers on stack
-       ldmfd   sp!, {r0 - r10, pc}     @ restore regs and return
-ENTRY(omap34xx_sram_reprogram_sdrc_sz)
-       .word   . - omap34xx_sram_reprogram_sdrc
-
-/*
- * Set dividers and pll. Also recalculate DLL value for DDR and unlock mode.
- */
-ENTRY(omap34xx_sram_set_prcm)
-       stmfd   sp!, {r0-r12, lr}       @ regs to stack
-ENTRY(omap34xx_sram_set_prcm_sz)
-       .word   . - omap34xx_sram_set_prcm
-
 /*
  * Change frequency of core dpll
  * r0 = sdrc_rfr_ctrl r1 = sdrc_actim_ctrla r2 = sdrc_actim_ctrlb r3 = M2
  */
-ENTRY(omap34xx_sram_configure_core_dpll)
+ENTRY(omap3_sram_configure_core_dpll)
        stmfd   sp!, {r1-r12, lr}       @ store regs to stack
        cmp     r3, #0x2
        blne    configure_sdrc
@@ -81,13 +61,13 @@ ENTRY(omap34xx_sram_configure_core_dpll)
        mov     r0, #0                  @ return value
        ldmfd   sp!, {r1-r12, pc}       @ restore regs and return
 unlock_dll:
-       ldr     r4, omap34xx_sdrc_dlla_ctrl
+       ldr     r4, omap3_sdrc_dlla_ctrl
        ldr     r5, [r4]
        orr     r5, r5, #0x4
        str     r5, [r4]
        bx      lr
 lock_dll:
-       ldr     r4, omap34xx_sdrc_dlla_ctrl
+       ldr     r4, omap3_sdrc_dlla_ctrl
        ldr     r5, [r4]
        bic     r5, r5, #0x4
        str     r5, [r4]
@@ -95,23 +75,23 @@ lock_dll:
 sdram_in_selfrefresh:
        mov     r5, #0x0                @ Move 0 to R5
        mcr     p15, 0, r5, c7, c10, 5  @ memory barrier
-       ldr     r4, omap34xx_sdrc_power @ read the SDRC_POWER register
+       ldr     r4, omap3_sdrc_power    @ read the SDRC_POWER register
        ldr     r5, [r4]                @ read the contents of SDRC_POWER
        orr     r5, r5, #0x40           @ enable self refresh on idle req
        str     r5, [r4]                @ write back to SDRC_POWER register
-       ldr     r4, omap34xx_cm_iclken1_core    @ read the CM_ICLKEN1_CORE reg
+       ldr     r4, omap3_cm_iclken1_core       @ read the CM_ICLKEN1_CORE reg
        ldr     r5, [r4]
        bic     r5, r5, #0x2            @ disable iclk bit for SRDC
        str     r5, [r4]
 wait_sdrc_idle:
-       ldr     r4, omap34xx_cm_idlest1_core
+       ldr     r4, omap3_cm_idlest1_core
        ldr     r5, [r4]
        and     r5, r5, #0x2            @ check for SDRC idle
        cmp     r5, #2
        bne     wait_sdrc_idle
        bx      lr
 configure_core_dpll:
-       ldr     r4, omap34xx_cm_clksel1_pll
+       ldr     r4, omap3_cm_clksel1_pll
        ldr     r5, [r4]
        ldr     r6, core_m2_mask_val    @ modify m2 for core dpll
        and     r5, r5, r6
@@ -136,74 +116,64 @@ wait_clk_stable:
        nop
        bx      lr
 enable_sdrc:
-       ldr     r4, omap34xx_cm_iclken1_core
+       ldr     r4, omap3_cm_iclken1_core
        ldr     r5, [r4]
        orr     r5, r5, #0x2            @ enable iclk bit for SDRC
        str     r5, [r4]
 wait_sdrc_idle1:
-       ldr     r4, omap34xx_cm_idlest1_core
+       ldr     r4, omap3_cm_idlest1_core
        ldr     r5, [r4]
        and     r5, r5, #0x2
        cmp     r5, #0
        bne     wait_sdrc_idle1
-       ldr     r4, omap34xx_sdrc_power
+       ldr     r4, omap3_sdrc_power
        ldr     r5, [r4]
        bic     r5, r5, #0x40
        str     r5, [r4]
        bx      lr
 wait_dll_lock:
-       ldr     r4, omap34xx_sdrc_dlla_status
+       ldr     r4, omap3_sdrc_dlla_status
        ldr     r5, [r4]
        and     r5, r5, #0x4
        cmp     r5, #0x4
        bne     wait_dll_lock
        bx      lr
 wait_dll_unlock:
-       ldr     r4, omap34xx_sdrc_dlla_status
+       ldr     r4, omap3_sdrc_dlla_status
        ldr     r5, [r4]
        and     r5, r5, #0x4
        cmp     r5, #0x0
        bne     wait_dll_unlock
        bx      lr
 configure_sdrc:
-       ldr     r4, omap34xx_sdrc_rfr_ctrl
+       ldr     r4, omap3_sdrc_rfr_ctrl
        str     r0, [r4]
-       ldr     r4, omap34xx_sdrc_actim_ctrla
+       ldr     r4, omap3_sdrc_actim_ctrla
        str     r1, [r4]
-       ldr     r4, omap34xx_sdrc_actim_ctrlb
+       ldr     r4, omap3_sdrc_actim_ctrlb
        str     r2, [r4]
        bx      lr
 
-omap34xx_sdrc_power:
+omap3_sdrc_power:
        .word OMAP34XX_SDRC_REGADDR(SDRC_POWER)
-omap34xx_cm_clksel1_pll:
+omap3_cm_clksel1_pll:
        .word OMAP34XX_CM_REGADDR(PLL_MOD, CM_CLKSEL1)
-omap34xx_cm_idlest1_core:
+omap3_cm_idlest1_core:
        .word OMAP34XX_CM_REGADDR(CORE_MOD, CM_IDLEST)
-omap34xx_cm_iclken1_core:
+omap3_cm_iclken1_core:
        .word OMAP34XX_CM_REGADDR(CORE_MOD, CM_ICLKEN1)
-omap34xx_sdrc_rfr_ctrl:
+omap3_sdrc_rfr_ctrl:
        .word OMAP34XX_SDRC_REGADDR(SDRC_RFR_CTRL_0)
-omap34xx_sdrc_actim_ctrla:
+omap3_sdrc_actim_ctrla:
        .word OMAP34XX_SDRC_REGADDR(SDRC_ACTIM_CTRL_A)
-omap34xx_sdrc_actim_ctrlb:
+omap3_sdrc_actim_ctrlb:
        .word OMAP34XX_SDRC_REGADDR(SDRC_ACTIM_CTRL_B)
-omap34xx_sdrc_dlla_status:
+omap3_sdrc_dlla_status:
        .word OMAP34XX_SDRC_REGADDR(SDRC_DLLA_STATUS)
-omap34xx_sdrc_dlla_ctrl:
+omap3_sdrc_dlla_ctrl:
        .word OMAP34XX_SDRC_REGADDR(SDRC_DLLA_CTRL)
 core_m2_mask_val:
        .word 0xE7FFFFFF
 
-ENTRY(omap34xx_sram_configure_core_dpll_sz)
-       .word   . - omap34xx_sram_configure_core_dpll
-
-/*
- * Reprogram GPMC
- */
-ENTRY(omap34xx_sram_reprogram_gpmc)
-       stmfd   sp!, {r0-r12, lr}       @ regs to stack
-       ldmfd   sp!, {r0-r12, pc}       @ restore regs and return
-
-ENTRY(omap34xx_sram_reprogram_gpmc_sz)
-       .word   . - omap34xx_sram_reprogram_gpmc
+ENTRY(omap3_sram_configure_core_dpll_sz)
+       .word   . - omap3_sram_configure_core_dpll
index 554ee58e12948d2a2b5592c598b3096ceae69b1a..71472b2b8076b4e55273aff67be3bdbf404781dc 100644 (file)
@@ -271,7 +271,7 @@ int __init omap1_sram_init(void)
 #define omap1_sram_init()      do {} while (0)
 #endif
 
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2)
 
 static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
                              u32 base_cs, u32 force_unlock);
@@ -352,60 +352,41 @@ static inline int omap243x_sram_init(void)
 
 #ifdef CONFIG_ARCH_OMAP3
 
-static u32 (*_omap2_sram_reprogram_gpmc)(u32 perf_level);
-u32 omap2_sram_reprogram_gpmc(u32 perf_level)
-{
-       if (!_omap2_sram_reprogram_gpmc)
+static u32 (*_omap3_sram_configure_core_dpll)(u32 sdrc_rfr_ctrl,
+                                             u32 sdrc_actim_ctrla,
+                                             u32 sdrc_actim_ctrlb,
+                                             u32 m2);
+u32 omap3_configure_core_dpll(u32 sdrc_rfr_ctrl, u32 sdrc_actim_ctrla,
+                             u32 sdrc_actim_ctrlb, u32 m2)
+ {
+       if (!_omap3_sram_configure_core_dpll)
                omap_sram_error();
 
-       return _omap2_sram_reprogram_gpmc(perf_level);
-}
-
-static u32 (*_omap2_sram_configure_core_dpll)(u32 m, u32 n,
-                                               u32 freqsel, u32 m2);
-u32 omap2_sram_configure_core_dpll(u32 m, u32 n, u32 freqsel, u32 m2)
-{
-       if (!_omap2_sram_configure_core_dpll)
-               omap_sram_error();
-
-       return _omap2_sram_configure_core_dpll(m, n, freqsel, m2);
-}
+       return _omap3_sram_configure_core_dpll(sdrc_rfr_ctrl,
+                                              sdrc_actim_ctrla,
+                                              sdrc_actim_ctrlb, m2);
+ }
 
 /* REVISIT: Should this be same as omap34xx_sram_init() after off-idle? */
 void restore_sram_functions(void)
 {
        omap_sram_ceil = omap_sram_base + omap_sram_size;
 
-       _omap2_sram_reprogram_gpmc = omap_sram_push(omap34xx_sram_reprogram_gpmc,
-               omap34xx_sram_reprogram_gpmc_sz);
-
-       _omap2_sram_configure_core_dpll =
-                       omap_sram_push(omap34xx_sram_configure_core_dpll,
-                                       omap34xx_sram_configure_core_dpll_sz);
+       _omap3_sram_configure_core_dpll =
+               omap_sram_push(omap3_sram_configure_core_dpll,
+                              omap3_sram_configure_core_dpll_sz);
 }
 
-int __init omap34xx_sram_init(void)
+int __init omap3_sram_init(void)
 {
-       _omap2_sram_ddr_init = omap_sram_push(omap34xx_sram_ddr_init,
-                                       omap34xx_sram_ddr_init_sz);
-
-       _omap2_sram_reprogram_sdrc = omap_sram_push(omap34xx_sram_reprogram_sdrc,
-                                       omap34xx_sram_reprogram_sdrc_sz);
-
-       _omap2_set_prcm = omap_sram_push(omap34xx_sram_set_prcm,
-                                       omap34xx_sram_set_prcm_sz);
-
-       _omap2_sram_reprogram_gpmc = omap_sram_push(omap34xx_sram_reprogram_gpmc,
-                                       omap34xx_sram_reprogram_gpmc_sz);
-
-       _omap2_sram_configure_core_dpll =
-                               omap_sram_push(omap34xx_sram_configure_core_dpll,
-                                       omap34xx_sram_configure_core_dpll_sz);
+       _omap3_sram_configure_core_dpll =
+               omap_sram_push(omap3_sram_configure_core_dpll,
+                              omap3_sram_configure_core_dpll_sz);
 
        return 0;
 }
 #else
-static inline int omap34xx_sram_init(void)
+static inline int omap3_sram_init(void)
 {
        return 0;
 }
@@ -423,7 +404,7 @@ int __init omap_sram_init(void)
        else if (cpu_is_omap2430())
                omap243x_sram_init();
        else if (cpu_is_omap34xx())
-               omap34xx_sram_init();
+               omap3_sram_init();
 
        return 0;
 }
index 6c577f7fa5bd7252b4a98922b84b6109ae0e9e3e..79c386a8923a90509767bd9ce87f3988bd76e1c4 100644 (file)
@@ -21,6 +21,10 @@ extern void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
                                      u32 mem_type);
 extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
 
+extern u32 omap3_configure_core_dpll(u32 sdrc_rfr_ctrl,
+                                    u32 sdrc_actim_ctrla,
+                                    u32 sdrc_actim_ctrlb, u32 m2);
+
 /* Do not use these */
 extern void omap1_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
 extern unsigned long omap1_sram_reprogram_clock_sz;
@@ -54,22 +58,9 @@ extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
 extern unsigned long omap243x_sram_reprogram_sdrc_sz;
 
 
-extern void omap34xx_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
-                                               u32 base_cs, u32 force_unlock);
-extern unsigned long omap34xx_sram_ddr_init_sz;
-
-extern void omap34xx_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
-                                               u32 mem_type);
-extern unsigned long omap34xx_sram_reprogram_sdrc_sz;
-
-extern u32 omap34xx_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
-                                               int bypass);
-extern unsigned long omap34xx_sram_set_prcm_sz;
-
-extern u32 omap34xx_sram_reprogram_gpmc(u32 perf_level);
-extern unsigned long omap34xx_sram_reprogram_gpmc_sz;
-
-extern u32 omap34xx_sram_configure_core_dpll(u32 m, u32 n, u32 freqsel, u32 m2);
-extern unsigned long omap34xx_sram_configure_core_dpll_sz;
+extern u32 omap3_sram_configure_core_dpll(u32 sdrc_rfr_ctrl,
+                                         u32 sdrc_actim_ctrla,
+                                         u32 sdrc_actim_ctrlb, u32 m2);
+extern unsigned long omap3_sram_configure_core_dpll_sz;
 
 #endif