| /* | |
| * 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/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 | |
| } |