diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 09:19:02 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-11 09:19:02 -0700 |
commit | 835a1c092432b3293ba6c4dec45ee6869c6f61fd (patch) | |
tree | a48582e4e4de3a8924b700c5ccaae78cd299cd73 /arch/mips/include/asm/mach-rc32434/ddr.h | |
parent | d3570a5a7b8d0604fa012129f92637dc1534f62c (diff) | |
parent | 9609e74093abd9f61fb1d20a8915a8ea87c77d5a (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (49 commits)
MIPS: RB532: provide GPIO_BUILTIN_NR and irq_to_gpio/gpio_to_irq
MIPS: Move ptrace prototypes to ptrace.h
MIPS: Ptrace support for HARDWARE_WATCHPOINTS
MIPS: Scheduler support for HARDWARE_WATCHPOINTS.
MIPS: Watch exception handling for HARDWARE_WATCHPOINTS.
MIPS: Probe watch registers and report configuration.
MIPS: Add HARDWARE_WATCHPOINTS definitions and support code.
MIPS: Add HARDWARE_WATCHPOINTS configure option.
MIPS: Replace use of <asm-generic/uaccess.h> with native implementations.
MIPS: TXx9: Add TX4939 ATA support (v2)
MIPS: Rewrite spinlocks to ticket locks.
MIPS: IP checksums: Optimize adjust of sum on buffers of odd alignment.
MIPS: IP checksums: Remove unncessary .set pseudos
MIPS: IP checksums: Remove unncessary folding of sum to 16 bit.
MIPS: Move headfiles to new location below arch/mips/include
MIPS: Alchemy: rename directory
MIPS: Optimize get_user and put_user for 64-bit
MIPS: TXx9: Implement prom_free_prom_memory
MIPS: TXx9: Add RBTX4939 board support
MIPS: TXx9: Add TX4939 SoC support
...
Diffstat (limited to 'arch/mips/include/asm/mach-rc32434/ddr.h')
-rw-r--r-- | arch/mips/include/asm/mach-rc32434/ddr.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-rc32434/ddr.h b/arch/mips/include/asm/mach-rc32434/ddr.h new file mode 100644 index 00000000000..291e2cf9dde --- /dev/null +++ b/arch/mips/include/asm/mach-rc32434/ddr.h @@ -0,0 +1,141 @@ +/* + * Definitions for the DDR registers + * + * Copyright 2002 Ryan Holm <ryan.holmQVist@idt.com> + * Copyright 2008 Florian Fainelli <florian@openwrt.org> + * + * 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. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef _ASM_RC32434_DDR_H_ +#define _ASM_RC32434_DDR_H_ + +#include <asm/mach-rc32434/rb.h> + +/* DDR register structure */ +struct ddr_ram { + u32 ddrbase; + u32 ddrmask; + u32 res1; + u32 res2; + u32 ddrc; + u32 ddrabase; + u32 ddramask; + u32 ddramap; + u32 ddrcust; + u32 ddrrdc; + u32 ddrspare; +}; + +#define DDR0_PHYS_ADDR 0x18018000 + +/* DDR banks masks */ +#define DDR_MASK 0xffff0000 +#define DDR0_BASE_MSK DDR_MASK +#define DDR1_BASE_MSK DDR_MASK + +/* DDR bank0 registers */ +#define RC32434_DDR0_ATA_BIT 5 +#define RC32434_DDR0_ATA_MSK 0x000000E0 +#define RC32434_DDR0_DBW_BIT 8 +#define RC32434_DDR0_DBW_MSK 0x00000100 +#define RC32434_DDR0_WR_BIT 9 +#define RC32434_DDR0_WR_MSK 0x00000600 +#define RC32434_DDR0_PS_BIT 11 +#define RC32434_DDR0_PS_MSK 0x00001800 +#define RC32434_DDR0_DTYPE_BIT 13 +#define RC32434_DDR0_DTYPE_MSK 0x0000e000 +#define RC32434_DDR0_RFC_BIT 16 +#define RC32434_DDR0_RFC_MSK 0x000f0000 +#define RC32434_DDR0_RP_BIT 20 +#define RC32434_DDR0_RP_MSK 0x00300000 +#define RC32434_DDR0_AP_BIT 22 +#define RC32434_DDR0_AP_MSK 0x00400000 +#define RC32434_DDR0_RCD_BIT 23 +#define RC32434_DDR0_RCD_MSK 0x01800000 +#define RC32434_DDR0_CL_BIT 25 +#define RC32434_DDR0_CL_MSK 0x06000000 +#define RC32434_DDR0_DBM_BIT 27 +#define RC32434_DDR0_DBM_MSK 0x08000000 +#define RC32434_DDR0_SDS_BIT 28 +#define RC32434_DDR0_SDS_MSK 0x10000000 +#define RC32434_DDR0_ATP_BIT 29 +#define RC32434_DDR0_ATP_MSK 0x60000000 +#define RC32434_DDR0_RE_BIT 31 +#define RC32434_DDR0_RE_MSK 0x80000000 + +/* DDR bank C registers */ +#define RC32434_DDRC_MSK(x) BIT_TO_MASK(x) +#define RC32434_DDRC_CES_BIT 0 +#define RC32434_DDRC_ACE_BIT 1 + +/* Custom DDR bank registers */ +#define RC32434_DCST_MSK(x) BIT_TO_MASK(x) +#define RC32434_DCST_CS_BIT 0 +#define RC32434_DCST_CS_MSK 0x00000003 +#define RC32434_DCST_WE_BIT 2 +#define RC32434_DCST_RAS_BIT 3 +#define RC32434_DCST_CAS_BIT 4 +#define RC32434_DSCT_CKE_BIT 5 +#define RC32434_DSCT_BA_BIT 6 +#define RC32434_DSCT_BA_MSK 0x000000c0 + +/* DDR QSC registers */ +#define RC32434_QSC_DM_BIT 0 +#define RC32434_QSC_DM_MSK 0x00000003 +#define RC32434_QSC_DQSBS_BIT 2 +#define RC32434_QSC_DQSBS_MSK 0x000000fc +#define RC32434_QSC_DB_BIT 8 +#define RC32434_QSC_DB_MSK 0x00000100 +#define RC32434_QSC_DBSP_BIT 9 +#define RC32434_QSC_DBSP_MSK 0x01fffe00 +#define RC32434_QSC_BDP_BIT 25 +#define RC32434_QSC_BDP_MSK 0x7e000000 + +/* DDR LLC registers */ +#define RC32434_LLC_EAO_BIT 0 +#define RC32434_LLC_EAO_MSK 0x00000001 +#define RC32434_LLC_EO_BIT 1 +#define RC32434_LLC_EO_MSK 0x0000003e +#define RC32434_LLC_FS_BIT 6 +#define RC32434_LLC_FS_MSK 0x000000c0 +#define RC32434_LLC_AS_BIT 8 +#define RC32434_LLC_AS_MSK 0x00000700 +#define RC32434_LLC_SP_BIT 11 +#define RC32434_LLC_SP_MSK 0x001ff800 + +/* DDR LLFC registers */ +#define RC32434_LLFC_MSK(x) BIT_TO_MASK(x) +#define RC32434_LLFC_MEN_BIT 0 +#define RC32434_LLFC_EAN_BIT 1 +#define RC32434_LLFC_FF_BIT 2 + +/* DDR DLLTA registers */ +#define RC32434_DLLTA_ADDR_BIT 2 +#define RC32434_DLLTA_ADDR_MSK 0xfffffffc + +/* DDR DLLED registers */ +#define RC32434_DLLED_MSK(x) BIT_TO_MASK(x) +#define RC32434_DLLED_DBE_BIT 0 +#define RC32434_DLLED_DTE_BIT 1 + +#endif /* _ASM_RC32434_DDR_H_ */ |