| /***************************************************************************/ |
| |
| /* |
| * linux/arch/m68knommu/platform/523x/config.c |
| * |
| * Sub-architcture dependent initialization code for the Freescale |
| * 523x CPUs. |
| * |
| * Copyright (C) 1999-2005, Greg Ungerer (gerg@snapgear.com) |
| * Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com) |
| */ |
| |
| /***************************************************************************/ |
| |
| #include <linux/kernel.h> |
| #include <linux/param.h> |
| #include <linux/init.h> |
| #include <linux/io.h> |
| #include <asm/machdep.h> |
| #include <asm/coldfire.h> |
| #include <asm/mcfsim.h> |
| |
| /***************************************************************************/ |
| |
| #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) |
| |
| static void __init m523x_qspi_init(void) |
| { |
| u16 par; |
| |
| /* setup QSPS pins for QSPI with gpio CS control */ |
| writeb(0x1f, MCFGPIO_PAR_QSPI); |
| /* and CS2 & CS3 as gpio */ |
| par = readw(MCFGPIO_PAR_TIMER); |
| par &= 0x3f3f; |
| writew(par, MCFGPIO_PAR_TIMER); |
| } |
| |
| #endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ |
| |
| /***************************************************************************/ |
| |
| static void __init m523x_fec_init(void) |
| { |
| u16 par; |
| u8 v; |
| |
| /* Set multi-function pins to ethernet use */ |
| par = readw(MCF_IPSBAR + 0x100082); |
| writew(par | 0xf00, MCF_IPSBAR + 0x100082); |
| v = readb(MCF_IPSBAR + 0x100078); |
| writeb(v | 0xc0, MCF_IPSBAR + 0x100078); |
| } |
| |
| /***************************************************************************/ |
| |
| void __init config_BSP(char *commandp, int size) |
| { |
| mach_sched_init = hw_timer_init; |
| m523x_fec_init(); |
| #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) |
| m523x_qspi_init(); |
| #endif |
| } |
| |
| /***************************************************************************/ |
