1 files changed, 88 insertions, 0 deletions

diff --git a/arch/m68k/platform/coldfire/m523x.c b/arch/m68k/platform/coldfire/m523x.c
new file mode 100644
index 000000000000..5d57a4249412
--- /dev/null
+++ b/arch/m68k/platform/coldfire/m523x.c
@@ -0,0 +1,88 @@
+/***************************************************************************/
+
+/*
+ *      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>
+#include <asm/mcfgpio.h>
+
+/***************************************************************************/
+
+struct mcf_gpio_chip mcf_gpio_chips[] = {
+        MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR),
+        MCFGPF(ADDR, 13, 3),
+        MCFGPF(DATAH, 16, 8),
+        MCFGPF(DATAL, 24, 8),
+        MCFGPF(BUSCTL, 32, 8),
+        MCFGPF(BS, 40, 4),
+        MCFGPF(CS, 49, 7),
+        MCFGPF(SDRAM, 56, 6),
+        MCFGPF(FECI2C, 64, 4),
+        MCFGPF(UARTH, 72, 2),
+        MCFGPF(UARTL, 80, 8),
+        MCFGPF(QSPI, 88, 5),
+        MCFGPF(TIMER, 96, 8),
+        MCFGPF(ETPU, 104, 3),
+};
+
+unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips);
+
+/***************************************************************************/
+
+#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
+}
+
+/***************************************************************************/