diff options
Diffstat (limited to 'arch/mips/txx9/generic')
| -rw-r--r-- | arch/mips/txx9/generic/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/mem_tx4927.c | 94 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/mem_tx4938.c | 124 |
3 files changed, 16 insertions, 204 deletions
diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile index 668fdaad644..ab274ede9a7 100644 --- a/arch/mips/txx9/generic/Makefile +++ b/arch/mips/txx9/generic/Makefile @@ -5,7 +5,7 @@ obj-y += setup.o obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o irq_tx4927.o -obj-$(CONFIG_SOC_TX4938) += mem_tx4938.o irq_tx4938.o +obj-$(CONFIG_SOC_TX4938) += mem_tx4927.o irq_tx4938.o obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o obj-$(CONFIG_KGDB) += dbgio.o diff --git a/arch/mips/txx9/generic/mem_tx4927.c b/arch/mips/txx9/generic/mem_tx4927.c index 12dfc377bf2..ef6ea6e9787 100644 --- a/arch/mips/txx9/generic/mem_tx4927.c +++ b/arch/mips/txx9/generic/mem_tx4927.c @@ -1,5 +1,5 @@ /* - * linux/arch/mips/tx4927/common/tx4927_prom.c + * linux/arch/mips/txx9/generic/mem_tx4927.c * * common tx4927 memory interface * @@ -32,8 +32,9 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/io.h> +#include <asm/txx9/tx4927.h> -static unsigned int __init tx4927_process_sdccr(unsigned long addr) +static unsigned int __init tx4927_process_sdccr(u64 __iomem *addr) { u64 val; unsigned int sdccr_ce; @@ -45,97 +46,32 @@ static unsigned int __init tx4927_process_sdccr(unsigned long addr) unsigned int rs = 0; unsigned int cs = 0; unsigned int mw = 0; - unsigned int msize = 0; - val = __raw_readq((void __iomem *)addr); + val = __raw_readq(addr); /* MVMCP -- need #defs for these bits masks */ sdccr_ce = ((val & (1 << 10)) >> 10); sdccr_bs = ((val & (1 << 8)) >> 8); sdccr_rs = ((val & (3 << 5)) >> 5); - sdccr_cs = ((val & (3 << 2)) >> 2); + sdccr_cs = ((val & (7 << 2)) >> 2); sdccr_mw = ((val & (1 << 0)) >> 0); if (sdccr_ce) { - switch (sdccr_bs) { - case 0:{ - bs = 2; - break; - } - case 1:{ - bs = 4; - break; - } - } - switch (sdccr_rs) { - case 0:{ - rs = 2048; - break; - } - case 1:{ - rs = 4096; - break; - } - case 2:{ - rs = 8192; - break; - } - case 3:{ - rs = 0; - break; - } - } - switch (sdccr_cs) { - case 0:{ - cs = 256; - break; - } - case 1:{ - cs = 512; - break; - } - case 2:{ - cs = 1024; - break; - } - case 3:{ - cs = 2048; - break; - } - } - switch (sdccr_mw) { - case 0:{ - mw = 8; - break; - } /* 8 bytes = 64 bits */ - case 1:{ - mw = 4; - break; - } /* 4 bytes = 32 bits */ - } + bs = 2 << sdccr_bs; + rs = 2048 << sdccr_rs; + cs = 256 << sdccr_cs; + mw = 8 >> sdccr_mw; } - /* bytes per chip MB per chip num chips */ - msize = (((rs * cs * mw) / (1024 * 1024)) * bs); - - return (msize); + return rs * cs * mw * bs; } - unsigned int __init tx4927_get_mem_size(void) { - unsigned int c0; - unsigned int c1; - unsigned int c2; - unsigned int c3; - unsigned int total; - - /* MVMCP -- need #defs for these registers */ - c0 = tx4927_process_sdccr(0xff1f8000); - c1 = tx4927_process_sdccr(0xff1f8008); - c2 = tx4927_process_sdccr(0xff1f8010); - c3 = tx4927_process_sdccr(0xff1f8018); - total = c0 + c1 + c2 + c3; + unsigned int total = 0; + int i; - return (total); + for (i = 0; i < ARRAY_SIZE(tx4927_sdramcptr->cr); i++) + total += tx4927_process_sdccr(&tx4927_sdramcptr->cr[i]); + return total; } diff --git a/arch/mips/txx9/generic/mem_tx4938.c b/arch/mips/txx9/generic/mem_tx4938.c deleted file mode 100644 index 20baeaeba4c..00000000000 --- a/arch/mips/txx9/generic/mem_tx4938.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * linux/arch/mips/tx4938/common/prom.c - * - * common tx4938 memory interface - * Copyright (C) 2000-2001 Toshiba Corporation - * - * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) - */ - -#include <linux/init.h> -#include <linux/types.h> -#include <linux/io.h> - -static unsigned int __init -tx4938_process_sdccr(u64 * addr) -{ - u64 val; - unsigned int sdccr_ce; - unsigned int sdccr_rs; - unsigned int sdccr_cs; - unsigned int sdccr_mw; - unsigned int rs = 0; - unsigned int cs = 0; - unsigned int mw = 0; - unsigned int bc = 4; - unsigned int msize = 0; - - val = ____raw_readq((void __iomem *)addr); - - /* MVMCP -- need #defs for these bits masks */ - sdccr_ce = ((val & (1 << 10)) >> 10); - sdccr_rs = ((val & (3 << 5)) >> 5); - sdccr_cs = ((val & (7 << 2)) >> 2); - sdccr_mw = ((val & (1 << 0)) >> 0); - - if (sdccr_ce) { - switch (sdccr_rs) { - case 0:{ - rs = 2048; - break; - } - case 1:{ - rs = 4096; - break; - } - case 2:{ - rs = 8192; - break; - } - default:{ - rs = 0; - break; - } - } - switch (sdccr_cs) { - case 0:{ - cs = 256; - break; - } - case 1:{ - cs = 512; - break; - } - case 2:{ - cs = 1024; - break; - } - case 3:{ - cs = 2048; - break; - } - case 4:{ - cs = 4096; - break; - } - default:{ - cs = 0; - break; - } - } - switch (sdccr_mw) { - case 0:{ - mw = 8; - break; - } /* 8 bytes = 64 bits */ - case 1:{ - mw = 4; - break; - } /* 4 bytes = 32 bits */ - } - } - - /* bytes per chip MB per chip bank count */ - msize = (((rs * cs * mw) / (1024 * 1024)) * (bc)); - - /* MVMCP -- bc hard coded to 4 from table 9.3.1 */ - /* boad supports bc=2 but no way to detect */ - - return (msize); -} - -unsigned int __init -tx4938_get_mem_size(void) -{ - unsigned int c0; - unsigned int c1; - unsigned int c2; - unsigned int c3; - unsigned int total; - - /* MVMCP -- need #defs for these registers */ - c0 = tx4938_process_sdccr((u64 *) 0xff1f8000); - c1 = tx4938_process_sdccr((u64 *) 0xff1f8008); - c2 = tx4938_process_sdccr((u64 *) 0xff1f8010); - c3 = tx4938_process_sdccr((u64 *) 0xff1f8018); - total = c0 + c1 + c2 + c3; - - return (total); -} |