1 /***************************************************************************/ 2 3 /* 4 * linux/arch/m68knommu/platform/523x/config.c 5 * 6 * Sub-architcture dependent initialization code for the Freescale 7 * 523x CPUs. 8 * 9 * Copyright (C) 1999-2005, Greg Ungerer (gerg@snapgear.com) 10 * Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com) 11 */ 12 13 /***************************************************************************/ 14 15 #include <linux/kernel.h> 16 #include <linux/param.h> 17 #include <linux/init.h> 18 #include <linux/io.h> 19 #include <asm/machdep.h> 20 #include <asm/coldfire.h> 21 #include <asm/mcfsim.h> 22 23 /***************************************************************************/ 24 25 #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) 26 m523x_qspi_init(void)27static void __init m523x_qspi_init(void) 28 { 29 u16 par; 30 31 /* setup QSPS pins for QSPI with gpio CS control */ 32 writeb(0x1f, MCFGPIO_PAR_QSPI); 33 /* and CS2 & CS3 as gpio */ 34 par = readw(MCFGPIO_PAR_TIMER); 35 par &= 0x3f3f; 36 writew(par, MCFGPIO_PAR_TIMER); 37 } 38 39 #endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */ 40 41 /***************************************************************************/ 42 m523x_fec_init(void)43static void __init m523x_fec_init(void) 44 { 45 u16 par; 46 u8 v; 47 48 /* Set multi-function pins to ethernet use */ 49 par = readw(MCF_IPSBAR + 0x100082); 50 writew(par | 0xf00, MCF_IPSBAR + 0x100082); 51 v = readb(MCF_IPSBAR + 0x100078); 52 writeb(v | 0xc0, MCF_IPSBAR + 0x100078); 53 } 54 55 /***************************************************************************/ 56 config_BSP(char * commandp,int size)57void __init config_BSP(char *commandp, int size) 58 { 59 mach_sched_init = hw_timer_init; 60 m523x_fec_init(); 61 #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) 62 m523x_qspi_init(); 63 #endif 64 } 65 66 /***************************************************************************/ 67