| /* |
| * Add birec data for Force CPCI690 board. |
| * |
| * Author: Mark A. Greer <source@mvista.com> |
| * |
| * 2003 (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. |
| */ |
| |
| #include <linux/types.h> |
| #include <asm/io.h> |
| #include <platforms/cpci690.h> |
| |
| #define KB (1024UL) |
| #define MB (1024UL*KB) |
| #define GB (1024UL*MB) |
| |
| extern u32 mv64x60_console_baud; |
| extern u32 mv64x60_mpsc_clk_src; |
| extern u32 mv64x60_mpsc_clk_freq; |
| |
| u32 mag = 0xffff; |
| |
| unsigned long |
| get_mem_size(void) |
| { |
| u32 size; |
| |
| switch (in_8(((void __iomem *)CPCI690_BR_BASE + CPCI690_BR_MEM_CTLR)) |
| & 0x07) { |
| case 0x01: |
| size = 256*MB; |
| break; |
| case 0x02: |
| size = 512*MB; |
| break; |
| case 0x03: |
| size = 768*MB; |
| break; |
| case 0x04: |
| size = 1*GB; |
| break; |
| case 0x05: |
| size = 1*GB + 512*MB; |
| break; |
| case 0x06: |
| size = 2*GB; |
| break; |
| default: |
| size = 0; |
| } |
| |
| return size; |
| } |
| |
| void |
| mv64x60_board_init(void __iomem *old_base, void __iomem *new_base) |
| { |
| mv64x60_console_baud = CPCI690_MPSC_BAUD; |
| mv64x60_mpsc_clk_src = CPCI690_MPSC_CLK_SRC; |
| mv64x60_mpsc_clk_freq = |
| (get_mem_size() >= (1*GB)) ? 100000000 : 133333333; |
| } |
