| /* |
| * Host bridge init code for the Marvell/Galileo EV-64260-BP evaluation board |
| * with a GT64260 onboard. |
| * |
| * Author: Mark A. Greer <mgreer@mvista.com> |
| * |
| * 2001 (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/config.h> |
| #include <linux/types.h> |
| #include <asm/reg.h> |
| #include <asm/io.h> |
| #include <asm/mv64x60_defs.h> |
| #include <platforms/ev64260.h> |
| |
| #ifdef CONFIG_SERIAL_MPSC_CONSOLE |
| extern u32 mv64x60_console_baud; |
| extern u32 mv64x60_mpsc_clk_src; |
| extern u32 mv64x60_mpsc_clk_freq; |
| #endif |
| |
| void |
| mv64x60_board_init(void __iomem *old_base, void __iomem *new_base) |
| { |
| u32 p, v; |
| |
| /* DINK doesn't enable 745x timebase, so enable here (Adrian Cox) */ |
| p = mfspr(SPRN_PVR); |
| p >>= 16; |
| |
| /* Reasonable SWAG at a 745x PVR value */ |
| if (((p & 0xfff0) == 0x8000) && (p != 0x800c)) { |
| v = mfspr(SPRN_HID0); |
| v |= HID0_TBEN; |
| mtspr(SPRN_HID0, v); |
| } |
| |
| #ifdef CONFIG_SERIAL_8250_CONSOLE |
| /* |
| * Change device bus 2 window so that bootoader can do I/O thru |
| * 8250/16550 UART that's mapped in that window. |
| */ |
| out_le32(new_base + MV64x60_CPU2DEV_2_BASE, EV64260_UART_BASE >> 20); |
| out_le32(new_base + MV64x60_CPU2DEV_2_SIZE, EV64260_UART_END >> 20); |
| __asm__ __volatile__("sync"); |
| #elif defined(CONFIG_SERIAL_MPSC_CONSOLE) |
| mv64x60_console_baud = EV64260_DEFAULT_BAUD; |
| mv64x60_mpsc_clk_src = EV64260_MPSC_CLK_SRC; |
| mv64x60_mpsc_clk_freq = EV64260_MPSC_CLK_FREQ; |
| #endif |
| } |
