diff options
| author | Tony Lindgren <tony@atomide.com> | 2008-07-03 12:24:38 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2008-07-03 12:24:38 +0300 |
| commit | 99f143b316b056a86c8226c15882cc0718f0b3b0 (patch) | |
| tree | 9886e3bacaf27b2a3b127491285303172d11d29e /arch/arm/plat-omap/sram-fn.S | |
| parent | 97b7f715589fb997e430c6aa824abbd9fd5ed42d (diff) | |
ARM: OMAP: SRAM: Move sram-fn.S from plat-omap to mach-omap1
This file is omap1 specific.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap/sram-fn.S')
| -rw-r--r-- | arch/arm/plat-omap/sram-fn.S | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/arm/plat-omap/sram-fn.S b/arch/arm/plat-omap/sram-fn.S deleted file mode 100644 index 9e1813c77e0..00000000000 --- a/arch/arm/plat-omap/sram-fn.S +++ /dev/null @@ -1,57 +0,0 @@ -/* - * linux/arch/arm/plat-omap/sram-fn.S - * - * Functions that need to be run in internal SRAM - * - * 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/linkage.h> -#include <asm/assembler.h> -#include <asm/arch/io.h> -#include <asm/hardware.h> - - .text - -/* - * Reprograms ULPD and CKCTL. - */ -ENTRY(sram_reprogram_clock) - stmfd sp!, {r0 - r12, lr} @ save registers on stack - - mov r2, #IO_ADDRESS(DPLL_CTL) & 0xff000000 - orr r2, r2, #IO_ADDRESS(DPLL_CTL) & 0x00ff0000 - orr r2, r2, #IO_ADDRESS(DPLL_CTL) & 0x0000ff00 - - mov r3, #IO_ADDRESS(ARM_CKCTL) & 0xff000000 - orr r3, r3, #IO_ADDRESS(ARM_CKCTL) & 0x00ff0000 - orr r3, r3, #IO_ADDRESS(ARM_CKCTL) & 0x0000ff00 - - tst r0, #1 << 4 @ want lock mode? - beq newck @ nope - bic r0, r0, #1 << 4 @ else clear lock bit - strh r0, [r2] @ set dpll into bypass mode - orr r0, r0, #1 << 4 @ set lock bit again - -newck: - strh r1, [r3] @ write new ckctl value - strh r0, [r2] @ write new dpll value - - mov r4, #0x0700 @ let the clocks settle - orr r4, r4, #0x00ff -delay: sub r4, r4, #1 - cmp r4, #0 - bne delay - -lock: ldrh r4, [r2], #0 @ read back dpll value - tst r0, #1 << 4 @ want lock mode? - beq out @ nope - tst r4, #1 << 0 @ dpll rate locked? - beq lock @ try again - -out: - ldmfd sp!, {r0 - r12, pc} @ restore regs and return -ENTRY(sram_reprogram_clock_sz) - .word . - sram_reprogram_clock |