summaryrefslogtreecommitdiff
path: root/arch/ppc/syslib/ibm440gp_common.c
diff options
context:
space:
mode:
authorPaul Mackerras <paulus@samba.org>2008-06-09 14:01:46 +1000
committerPaul Mackerras <paulus@samba.org>2008-06-10 21:40:22 +1000
commit917f0af9e5a9ceecf9e72537fabb501254ba321d (patch)
tree1ef207755c6d83ce4af93ef2b5e4645eebd65886 /arch/ppc/syslib/ibm440gp_common.c
parent0f3d6bcd391b058c619fc30e8022e8a29fbf4bef (diff)
downloadlinux-917f0af9e5a9ceecf9e72537fabb501254ba321d.tar.gz
linux-917f0af9e5a9ceecf9e72537fabb501254ba321d.tar.xz
powerpc: Remove arch/ppc and include/asm-ppc
All the maintained platforms are now in arch/powerpc, so the old arch/ppc stuff can now go away. Acked-by: Adrian Bunk <bunk@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Becky Bruce <becky.bruce@freescale.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Jochen Friedrich <jochen@scram.de> Acked-by: John Linn <john.linn@xilinx.com> Acked-by: Jon Loeliger <jdl@freescale.com> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: Kumar Gala <galak@kernel.crashing.org> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Peter Korsgaard <jacmet@sunsite.dk> Acked-by: Scott Wood <scottwood@freescale.com> Acked-by: Sean MacLennan <smaclennan@pikatech.com> Acked-by: Segher Boessenkool <segher@kernel.crashing.org> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com> Acked-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc/syslib/ibm440gp_common.c')
-rw-r--r--arch/ppc/syslib/ibm440gp_common.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/ppc/syslib/ibm440gp_common.c b/arch/ppc/syslib/ibm440gp_common.c
deleted file mode 100644
index a3927ec9b5d7..000000000000
--- a/arch/ppc/syslib/ibm440gp_common.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * PPC440GP system library
- *
- * Matt Porter <mporter@mvista.com>
- * Copyright 2002-2003 MontaVista Software Inc.
- *
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- * Copyright (c) 2003 Zultys Technologies
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#include <linux/types.h>
-#include <asm/reg.h>
-#include <asm/ibm44x.h>
-#include <asm/mmu.h>
-
-/*
- * Calculate 440GP clocks
- */
-void __init ibm440gp_get_clocks(struct ibm44x_clocks* p,
- unsigned int sys_clk,
- unsigned int ser_clk)
-{
- u32 cpc0_sys0 = mfdcr(DCRN_CPC0_SYS0);
- u32 cpc0_cr0 = mfdcr(DCRN_CPC0_CR0);
- u32 opdv = ((cpc0_sys0 >> 10) & 0x3) + 1;
- u32 epdv = ((cpc0_sys0 >> 8) & 0x3) + 1;
-
- if (cpc0_sys0 & 0x2){
- /* Bypass system PLL */
- p->cpu = p->plb = sys_clk;
- }
- else {
- u32 fbdv, fwdva, fwdvb, m, vco;
-
- fbdv = (cpc0_sys0 >> 18) & 0x0f;
- if (!fbdv)
- fbdv = 16;
-
- fwdva = 8 - ((cpc0_sys0 >> 15) & 0x7);
- fwdvb = 8 - ((cpc0_sys0 >> 12) & 0x7);
-
- /* Feedback path */
- if (cpc0_sys0 & 0x00000080){
- /* PerClk */
- m = fwdvb * opdv * epdv;
- }
- else {
- /* CPU clock */
- m = fbdv * fwdva;
- }
- vco = sys_clk * m;
- p->cpu = vco / fwdva;
- p->plb = vco / fwdvb;
- }
-
- p->opb = p->plb / opdv;
- p->ebc = p->opb / epdv;
-
- if (cpc0_cr0 & 0x00400000){
- /* External UART clock */
- p->uart0 = p->uart1 = ser_clk;
- }
- else {
- /* Internal UART clock */
- u32 uart_div = ((cpc0_cr0 >> 16) & 0x1f) + 1;
- p->uart0 = p->uart1 = p->plb / uart_div;
- }
-}