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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-20 10:35:35 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-20 13:52:14 +0200
commit99648958668d3a33ee57974479b36201fe303f34 (patch)
tree6f27ea790e2823c6156e71219a4f54680263fac6 /bsps/m68k/mcf52235
parentbsps: Move start files to bsps (diff)
downloadrtems-99648958668d3a33ee57974479b36201fe303f34.tar.bz2
bsps: Move startup files to bsps
Adjust build support files to new directory layout. This patch is a part of the BSP source reorganization. Update #3285.
Diffstat (limited to 'bsps/m68k/mcf52235')
-rw-r--r--bsps/m68k/mcf52235/start/bsp_specs10
-rw-r--r--bsps/m68k/mcf52235/start/bspgetcpuclockspeed.c15
-rw-r--r--bsps/m68k/mcf52235/start/cfinit.c554
-rw-r--r--bsps/m68k/mcf52235/start/init52235.c79
-rw-r--r--bsps/m68k/mcf52235/start/linkcmds195
5 files changed, 853 insertions, 0 deletions
diff --git a/bsps/m68k/mcf52235/start/bsp_specs b/bsps/m68k/mcf52235/start/bsp_specs
new file mode 100644
index 0000000000..3a20757667
--- /dev/null
+++ b/bsps/m68k/mcf52235/start/bsp_specs
@@ -0,0 +1,10 @@
+%rename endfile old_endfile
+%rename startfile old_startfile
+
+*startfile:
+%{!qrtems: %(old_startfile)} \
+%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}}
+
+*endfile:
+%{!qrtems: %(old_endfile)} %{qrtems: crtend.o%s crtn.o%s}
+
diff --git a/bsps/m68k/mcf52235/start/bspgetcpuclockspeed.c b/bsps/m68k/mcf52235/start/bspgetcpuclockspeed.c
new file mode 100644
index 0000000000..563044394a
--- /dev/null
+++ b/bsps/m68k/mcf52235/start/bspgetcpuclockspeed.c
@@ -0,0 +1,15 @@
+/*
+ * COPYRIGHT (c) 1989-2008.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#include <bsp.h>
+
+uint32_t bsp_get_CPU_clock_speed(void)
+{
+ return 60000000;
+}
diff --git a/bsps/m68k/mcf52235/start/cfinit.c b/bsps/m68k/mcf52235/start/cfinit.c
new file mode 100644
index 0000000000..0007f9a449
--- /dev/null
+++ b/bsps/m68k/mcf52235/start/cfinit.c
@@ -0,0 +1,554 @@
+/*********************************************************************
+* Initialisation Code for ColdFire MCF52235 Processor *
+**********************************************************************
+ Generated by ColdFire Initialisation Utility 2.10.8
+ Fri May 23 14:39:00 2008
+
+ MicroAPL Ltd makes no warranties in respect of the suitability
+ of this code for any particular purpose, and accepts
+ no liability for any loss arising out of its use. The person or
+ persons making use of this file must make the final evaluation
+ as to its suitability and correctness for a particular application.
+
+*/
+
+/* Processor/internal bus clocked at 60.00 MHz */
+
+#include <bsp.h>
+
+/* Additional register read/write macros (missing in headers) */
+#define MCF_CIM_CCON (*(vuint16*)(void*)(&__IPSBAR[0x00110004]))
+
+/* Bit definitions and macros for MCF_CIM_CCON */
+#define MCF_CIM_CCON_SZEN (0x00000040)
+#define MCF_CIM_CCON_PSTEN (0x00000020)
+#define MCF_CIM_CCON_BME (0x00000008)
+#define MCF_CIM_CCON_BMT(x) (((x)&0x00000007)<<0)
+
+/* Function prototypes */
+void init_main(void);
+static void disable_interrupts(void);
+static void disable_watchdog_timer(void);
+static void init_ipsbar(void);
+static void init_clock_config(void);
+static void init_sram(void);
+static void init_flash_controller(void);
+static void init_eport(void);
+static void init_flexcan(void);
+static void init_bus_config(void);
+static void init_power_management(void);
+static void init_dma_timers(void);
+static void init_gp_timer(void);
+static void init_interrupt_timers(void);
+static void init_real_time_clock(void);
+static void init_watchdog_timer(void);
+static void init_pin_assignments(void);
+static void init_interrupt_controller(void);
+
+/*********************************************************************
+* init_main - Main entry point for initialisation code *
+**********************************************************************/
+void init_main(void)
+{
+ /* Mask all interrupts */
+ __asm__ ("move.w #0x2700,%sr");
+
+ /* Initialise base address of peripherals, VBR, etc */
+ init_ipsbar();
+ init_clock_config();
+
+ /* Disable interrupts and watchdog timer */
+ disable_interrupts();
+ disable_watchdog_timer();
+
+ /* Initialise individual modules */
+ init_sram();
+ init_flash_controller();
+ init_eport();
+ init_flexcan();
+ init_bus_config();
+ init_power_management();
+ init_dma_timers();
+ init_gp_timer();
+ init_interrupt_timers();
+ init_real_time_clock();
+ init_watchdog_timer();
+ init_pin_assignments();
+
+ /* Initialise interrupt controller */
+ init_interrupt_controller();
+}
+
+/*********************************************************************
+* disable_interrupts - Disable all interrupt sources *
+**********************************************************************/
+static void disable_interrupts(void)
+{
+ vuint8 *p;
+ int i;
+
+ /* Set ICR008-ICR063 to 0x0 */
+ p = (vuint8 *) & MCF_INTC0_ICR8;
+ for (i = 8; i <= 63; i++)
+ *p++ = 0x0;
+
+ /* Set ICR108-ICR139 to 0x0 */
+ p = (vuint8 *) & MCF_INTC1_ICR8;
+ for (i = 108; i <= 139; i++)
+ *p++ = 0x0;
+}
+
+/*********************************************************************
+* disable_watchdog_timer - Disable system watchdog timer *
+**********************************************************************/
+static void disable_watchdog_timer(void)
+{
+ /* Disable Core Watchdog Timer */
+ MCF_SCM_CWCR = 0;
+}
+
+/*********************************************************************
+* init_clock_config - Clock Module *
+**********************************************************************/
+static void init_clock_config(void)
+{
+ /* Clock source is 25.0000 MHz external crystal
+ Clock mode: Normal PLL mode
+ Processor/Bus clock frequency = 60.00 MHz
+ Loss of clock detection disabled
+ Reset on loss of lock disabled
+ */
+
+ /* Divide 25.0000 MHz clock to get 5.00 MHz PLL input clock */
+ MCF_CLOCK_CCHR = MCF_CLOCK_CCHR_PFD(0x4);
+
+ /* Set RFD+1 to avoid frequency overshoot and wait for PLL to lock */
+ MCF_CLOCK_SYNCR = 0x4103;
+ while ((MCF_CLOCK_SYNSR & 0x08) == 0) ;
+
+ /* Set desired RFD=0 and MFD=4 and wait for PLL to lock */
+ MCF_CLOCK_SYNCR = 0x4003;
+ while ((MCF_CLOCK_SYNSR & 0x08) == 0) ;
+ MCF_CLOCK_SYNCR = 0x4007; /* Switch to using PLL */
+}
+
+/*********************************************************************
+* init_ipsbar - Internal Peripheral System Base Address (IPSBAR) *
+**********************************************************************/
+static void init_ipsbar(void)
+{
+ /* Base address of internal peripherals (IPSBAR) = 0x40000000
+
+ Note: Processor powers up with IPS base address = 0x40000000
+ Write to IPS base + 0x00000000 to set new value
+ */
+ *(vuint32 *) 0x40000000 = (vuint32) __IPSBAR + 1; /* +1 for Enable */
+}
+
+/*********************************************************************
+* init_flash_controller - Flash Module *
+**********************************************************************/
+static void init_flash_controller(void)
+{
+ /* Internal Flash module enabled, address = $00000000
+ Flash state machine clock = 197.37 kHz
+ All access types except CPU space/interrupt acknowledge cycle allowed
+ Flash is Write-Protected
+ All interrupts disabled
+ */
+ MCF_CFM_CFMCLKD = MCF_CFM_CFMCLKD_PRDIV8 | MCF_CFM_CFMCLKD_DIV(0x12);
+ MCF_CFM_CFMMCR = 0;
+
+ /* WARNING: Setting FLASHBAR[6]=1 in order to turn off address speculation
+ This is a workaround for a hardware problem whereby a speculative
+ access to the Flash occuring at the same time as an SRAM access
+ can return corrupt data.
+
+ This workaround can result in a 4% - 9% performance penalty. Other workarounds
+ are possible for certain applications.
+
+ For example, if you know that you will not be using the top 32 KB of the Flash
+ you can place the SRAM base address at 0x20038000
+
+ See Device Errata for further details
+ */
+ __asm__ ("move.l #0x00000161,%d0");
+ __asm__ ("movec %d0,%FLASHBAR");
+}
+
+/*********************************************************************
+* init_eport - Edge Port Module (EPORT) *
+**********************************************************************/
+static void init_eport(void)
+{
+ /* Pins 1-15 configured as GPIO inputs */
+ MCF_EPORT_EPDDR0 = 0;
+ MCF_EPORT_EPDDR1 = 0;
+ MCF_EPORT_EPPAR0 = 0;
+ MCF_EPORT_EPPAR1 = 0;
+ MCF_EPORT_EPIER0 = 0;
+ MCF_EPORT_EPIER1 = 0;
+}
+
+/*********************************************************************
+* init_flexcan - FlexCAN Module *
+**********************************************************************/
+static void init_flexcan(void)
+{
+ /* FlexCAN controller disabled (CANMCR0[MDIS]=1) */
+ MCF_CAN_IMASK = 0;
+ MCF_CAN_RXGMASK = MCF_CAN_RXGMASK_MI(0x1fffffff);
+ MCF_CAN_RX14MASK = MCF_CAN_RX14MASK_MI(0x1fffffff);
+ MCF_CAN_RX15MASK = MCF_CAN_RX15MASK_MI(0x1fffffff);
+ MCF_CAN_CANCTRL = 0;
+ MCF_CAN_CANMCR = MCF_CAN_CANMCR_MDIS |
+ MCF_CAN_CANMCR_FRZ |
+ MCF_CAN_CANMCR_HALT | MCF_CAN_CANMCR_SUPV | MCF_CAN_CANMCR_MAXMB(0xf);
+}
+
+/*********************************************************************
+* init_bus_config - Internal Bus Arbitration *
+**********************************************************************/
+static void init_bus_config(void)
+{
+ /* Use round robin arbitration scheme
+ Assigned priorities (highest first):
+ Ethernet
+ DMA Controller
+ ColdFire Core
+ DMA bandwidth control disabled
+ Park on last active bus master
+ */
+ MCF_SCM_MPARK = MCF_SCM_MPARK_M3PRTY(0x3) |
+ MCF_SCM_MPARK_M2PRTY(0x2) | (0x1 << 16);
+}
+
+/*********************************************************************
+* init_sram - On-chip SRAM *
+**********************************************************************/
+static void init_sram(void)
+{
+ /* Internal SRAM module enabled, address = $20000000
+ DMA access to SRAM block disabled
+ All access types (supervisor and user) allowed
+ */
+ __asm__ ("move.l #0x20000001,%d0");
+ __asm__ ("movec %d0,%RAMBAR");
+}
+
+/*********************************************************************
+* init_power_management - Power Management *
+**********************************************************************/
+static void init_power_management(void)
+{
+ /* On executing STOP instruction, processor enters RUN mode
+ Mode is exited when an interrupt of level 1 or higher is received
+ */
+ MCF_PMM_LPICR = MCF_PMM_LPICR_ENBSTOP;
+ MCF_PMM_LPCR = MCF_PMM_LPCR_LPMD_RUN;
+}
+
+/*********************************************************************
+* init_dma_timers - DMA Timer Modules *
+**********************************************************************/
+static void init_dma_timers(void)
+{
+ /* DMA Timer 0 disabled (DTMR0[RST] = 0) */
+ MCF_DTIM0_DTMR = MCF_DTIM_DTMR_CLK(0x1);
+ MCF_DTIM0_DTXMR = 0;
+ MCF_DTIM0_DTRR = MCF_DTIM_DTRR_REF(0xffffffff);
+
+ /* DMA Timer 1 disabled (DTMR1[RST] = 0) */
+ MCF_DTIM1_DTMR = 0;
+ MCF_DTIM1_DTXMR = 0;
+ MCF_DTIM1_DTRR = MCF_DTIM_DTRR_REF(0xffffffff);
+
+ /* DMA Timer 2 disabled (DTMR2[RST] = 0) */
+ MCF_DTIM2_DTMR = 0;
+ MCF_DTIM2_DTXMR = 0;
+ MCF_DTIM2_DTRR = MCF_DTIM_DTRR_REF(0xffffffff);
+
+ /* DMA Timer 3 disabled (DTMR3[RST] = 0) */
+ MCF_DTIM3_DTMR = MCF_DTIM_DTMR_CLK(0x1);
+ MCF_DTIM3_DTXMR = 0;
+ MCF_DTIM3_DTRR = MCF_DTIM_DTRR_REF(0xffffffff);
+}
+
+/*********************************************************************
+* init_gp_timer - General Purpose Timer (GPT) Module *
+**********************************************************************/
+static void init_gp_timer(void)
+{
+ /*
+ GPT disabled (GPTASCR1[GPTEN] = 0)
+ Channel 0 configured as GPIO input
+ Channel 1 configured as GPIO input
+ Channel 2 configured as GPIO input
+ Channel 3 configured as GPIO input
+ */
+ MCF_GPT_GPTSCR1 = 0;
+ MCF_GPT_GPTDDR = 0;
+}
+
+/**********************************************************************
+* init_interrupt_timers - Programmable Interrupt Timer (PIT) Modules *
+***********************************************************************/
+static void init_interrupt_timers(void)
+{
+ /* PIT0 disabled (PCSR0[EN]=0) */
+ MCF_PIT0_PCSR = 0;
+
+ /* PIT1 disabled (PCSR1[EN]=0) */
+ MCF_PIT1_PCSR = 0;
+}
+
+/*********************************************************************
+* init_real_time_clock - Real-Time Clock (RTC) *
+**********************************************************************/
+static void init_real_time_clock(void)
+{
+ /* Disable the RTC */
+ MCF_RTC_CR = 0;
+}
+
+/*********************************************************************
+* init_watchdog_timer - Watchdog Timer *
+**********************************************************************/
+static void init_watchdog_timer(void)
+{
+ /* Core Watchdog Timer disabled (CWCR[CWE]=0) */
+ MCF_SCM_CWCR = 0;
+}
+
+/*********************************************************************
+* init_interrupt_controller - Interrupt Controller *
+**********************************************************************/
+static void init_interrupt_controller(void)
+{
+ /* Configured interrupt sources in order of priority...
+ Level 7: External interrupt /IRQ7, (initially masked)
+ Level 6: External interrupt /IRQ6, (initially masked)
+ Level 5: External interrupt /IRQ5, (initially masked)
+ Level 4: External interrupt /IRQ4, (initially masked)
+ Level 3: External interrupt /IRQ3, (initially masked)
+ Level 2: External interrupt /IRQ2, (initially masked)
+ Level 1: External interrupt /IRQ1, (initially masked)
+ */
+ MCF_INTC0_ICR1 = 0;
+ MCF_INTC0_ICR2 = 0;
+ MCF_INTC0_ICR3 = 0;
+ MCF_INTC0_ICR4 = 0;
+ MCF_INTC0_ICR5 = 0;
+ MCF_INTC0_ICR6 = 0;
+ MCF_INTC0_ICR7 = 0;
+ MCF_INTC0_ICR8 = 0;
+ MCF_INTC0_ICR9 = 0;
+ MCF_INTC0_ICR10 = 0;
+ MCF_INTC0_ICR11 = 0;
+ MCF_INTC0_ICR12 = 0;
+ MCF_INTC0_ICR13 = 0;
+ MCF_INTC0_ICR14 = 0;
+ MCF_INTC0_ICR15 = 0;
+ MCF_INTC0_ICR17 = 0;
+ MCF_INTC0_ICR18 = 0;
+ MCF_INTC0_ICR19 = 0;
+ MCF_INTC0_ICR20 = 0;
+ MCF_INTC0_ICR21 = 0;
+ MCF_INTC0_ICR22 = 0;
+ MCF_INTC0_ICR23 = 0;
+ MCF_INTC0_ICR24 = 0;
+ MCF_INTC0_ICR25 = 0;
+ MCF_INTC0_ICR26 = 0;
+ MCF_INTC0_ICR27 = 0;
+ MCF_INTC0_ICR28 = 0;
+ MCF_INTC0_ICR29 = 0;
+ MCF_INTC0_ICR30 = 0;
+ MCF_INTC0_ICR31 = 0;
+ MCF_INTC0_ICR32 = 0;
+ MCF_INTC0_ICR33 = 0;
+ MCF_INTC0_ICR34 = 0;
+ MCF_INTC0_ICR35 = 0;
+ MCF_INTC0_ICR36 = 0;
+ MCF_INTC0_ICR41 = 0;
+ MCF_INTC0_ICR42 = 0;
+ MCF_INTC0_ICR43 = 0;
+ MCF_INTC0_ICR44 = 0;
+ MCF_INTC0_ICR45 = 0;
+ MCF_INTC0_ICR46 = 0;
+ MCF_INTC0_ICR47 = 0;
+ MCF_INTC0_ICR48 = 0;
+ MCF_INTC0_ICR49 = 0;
+ MCF_INTC0_ICR50 = 0;
+ MCF_INTC0_ICR51 = 0;
+ MCF_INTC0_ICR52 = 0;
+ MCF_INTC0_ICR53 = 0;
+ MCF_INTC0_ICR55 = 0;
+ MCF_INTC0_ICR56 = 0;
+ MCF_INTC0_ICR59 = 0;
+ MCF_INTC0_ICR60 = 0;
+ MCF_INTC0_ICR61 = 0;
+ MCF_INTC0_ICR62 = 0;
+ MCF_INTC0_ICR63 = 0;
+ MCF_INTC1_ICR8 = 0;
+ MCF_INTC1_ICR9 = 0;
+ MCF_INTC1_ICR10 = 0;
+ MCF_INTC1_ICR11 = 0;
+ MCF_INTC1_ICR12 = 0;
+ MCF_INTC1_ICR13 = 0;
+ MCF_INTC1_ICR14 = 0;
+ MCF_INTC1_ICR15 = 0;
+ MCF_INTC1_ICR16 = 0;
+ MCF_INTC1_ICR17 = 0;
+ MCF_INTC1_ICR18 = 0;
+ MCF_INTC1_ICR19 = 0;
+ MCF_INTC1_ICR20 = 0;
+ MCF_INTC1_ICR21 = 0;
+ MCF_INTC1_ICR22 = 0;
+ MCF_INTC1_ICR23 = 0;
+ MCF_INTC1_ICR24 = 0;
+ MCF_INTC1_ICR25 = 0;
+ MCF_INTC1_ICR32 = 0;
+ MCF_INTC1_ICR33 = 0;
+ MCF_INTC1_ICR34 = 0;
+ MCF_INTC1_ICR35 = 0;
+ MCF_INTC1_ICR36 = 0;
+ MCF_INTC1_ICR37 = 0;
+ MCF_INTC1_ICR38 = 0;
+ MCF_INTC1_ICR39 = 0;
+ MCF_INTC0_IMRH = 0xffffffff;
+ MCF_INTC0_IMRL = 0xfffffffe;
+ MCF_INTC1_IMRH = 0xffffffff;
+ MCF_INTC1_IMRL = 0xfffffffe;
+}
+
+/*********************************************************************
+* init_pin_assignments - Pin Assignment and General Purpose I/O *
+**********************************************************************/
+static void init_pin_assignments(void)
+{
+ /* Pin assignments for port NQ
+ Pins NQ7-NQ1 : EdgePort GPIO/IRQ
+ */
+ MCF_GPIO_DDRNQ = 0;
+ MCF_GPIO_PNQPAR = MCF_GPIO_PNQPAR_PNQPAR7(0x1) |
+ MCF_GPIO_PNQPAR_PNQPAR6(0x1) |
+ MCF_GPIO_PNQPAR_PNQPAR5(0x1) |
+ MCF_GPIO_PNQPAR_PNQPAR4(0x1) |
+ MCF_GPIO_PNQPAR_PNQPAR3(0x1) |
+ MCF_GPIO_PNQPAR_PNQPAR2(0x1) | MCF_GPIO_PNQPAR_PNQPAR1(0x1);
+
+ /* Pin assignments for port GP
+ Pins PG7-PG0 : EdgePort GPIO/IRQ
+ */
+ MCF_GPIO_DDRGP = 0;
+ MCF_GPIO_PGPPAR = MCF_GPIO_PGPPAR_PGPPAR7 |
+ MCF_GPIO_PGPPAR_PGPPAR6 |
+ MCF_GPIO_PGPPAR_PGPPAR5 |
+ MCF_GPIO_PGPPAR_PGPPAR4 |
+ MCF_GPIO_PGPPAR_PGPPAR3 |
+ MCF_GPIO_PGPPAR_PGPPAR2 |
+ MCF_GPIO_PGPPAR_PGPPAR1 | MCF_GPIO_PGPPAR_PGPPAR0;
+
+ /* Pin assignments for port DD
+ Pin DD7 : DDATA[3]
+ Pin DD6 : DDATA[2]
+ Pin DD5 : DDATA[1]
+ Pin DD4 : DDATA[0]
+ Pin DD3 : PST[3]
+ Pin DD2 : PST[2]
+ Pin DD1 : PST[1]
+ Pin DD0 : PST[0]
+ CCON[PSTEN] = 1 to enable PST/DDATA function
+ */
+ MCF_GPIO_DDRDD = 0;
+ MCF_GPIO_PDDPAR = MCF_GPIO_PDDPAR_PDDPAR7 |
+ MCF_GPIO_PDDPAR_PDDPAR6 |
+ MCF_GPIO_PDDPAR_PDDPAR5 |
+ MCF_GPIO_PDDPAR_PDDPAR4 |
+ MCF_GPIO_PDDPAR_PDDPAR3 |
+ MCF_GPIO_PDDPAR_PDDPAR2 |
+ MCF_GPIO_PDDPAR_PDDPAR1 | MCF_GPIO_PDDPAR_PDDPAR0;
+ MCF_CIM_CCON = 0x0021;
+
+ /* Pin assignments for port AN
+ Pins are all GPIO inputs
+ */
+ MCF_GPIO_DDRAN = 0;
+ MCF_GPIO_PANPAR = 0;
+
+ /* Pin assignments for port AS
+ Pins are all GPIO inputs
+ */
+ MCF_GPIO_DDRAS = 0;
+ MCF_GPIO_PASPAR = 0;
+
+ /* Pin assignments for port LD
+ Pins are all GPIO inputs
+ */
+ MCF_GPIO_DDRLD = 0;
+ MCF_GPIO_PLDPAR = 0;
+
+ /* Pin assignments for port QS
+ Pins are all GPIO inputs
+ */
+ MCF_GPIO_DDRQS = 0;
+ MCF_GPIO_PQSPAR = 0;
+
+ /* Pin assignments for port TA
+ Pins are all GPIO inputs
+ */
+ MCF_GPIO_DDRTA = 0;
+ MCF_GPIO_PTAPAR = 0;
+
+ /* Pin assignments for port TC
+ Pins are all GPIO inputs
+ */
+ MCF_GPIO_DDRTC = 0;
+ MCF_GPIO_PTCPAR = 0;
+
+ /* Pin assignments for port TD
+ Pins are all GPIO inputs
+ */
+ MCF_GPIO_DDRTD = 0;
+ MCF_GPIO_PTDPAR = 0;
+
+ /* Pin assignments for port UA
+ Pin UA3 : UART 0 clear-to-send, UCTS0
+ Pin UA2 : UART 0 request-to-send, URTS0
+ Pin UA1 : UART 0 receive data, URXD0
+ Pin UA0 : UART 0 transmit data, UTXD0
+ */
+ MCF_GPIO_DDRUA = 0;
+ MCF_GPIO_PUAPAR = MCF_GPIO_PUAPAR_PUAPAR3(0x1) |
+ MCF_GPIO_PUAPAR_PUAPAR2(0x1) |
+ MCF_GPIO_PUAPAR_PUAPAR1(0x1) | MCF_GPIO_PUAPAR_PUAPAR0(0x1);
+
+ /* Pin assignments for port UB
+ Pin UB3 : UART 1 clear-to-send, UCTS1
+ Pin UB2 : UART 1 request-to-send, URTS1
+ Pin UB1 : UART 1 receive data, URXD1
+ Pin UB0 : UART 1 transmit data, UTXD1
+ */
+ MCF_GPIO_DDRUB = 0;
+ MCF_GPIO_PUBPAR = MCF_GPIO_PUBPAR_PUBPAR3(0x1) |
+ MCF_GPIO_PUBPAR_PUBPAR2(0x1) |
+ MCF_GPIO_PUBPAR_PUBPAR1(0x1) | MCF_GPIO_PUBPAR_PUBPAR0(0x1);
+
+ /* Pin assignments for port UC
+ Pin UC3 : UART 2 clear-to-send, UCTS2
+ Pin UC2 : UART 2 request-to-send, URTS2
+ Pin UC1 : UART 2 receive data, URXD2
+ Pin UC0 : UART 2 transmit data, UTXD2
+ */
+ MCF_GPIO_DDRUC = 0;
+ MCF_GPIO_PUCPAR = MCF_GPIO_PUCPAR_PUCPAR3 |
+ MCF_GPIO_PUCPAR_PUCPAR2 |
+ MCF_GPIO_PUCPAR_PUCPAR1 | MCF_GPIO_PUCPAR_PUCPAR0;
+
+ /* Configure drive strengths */
+ MCF_GPIO_PDSRH = 0;
+ MCF_GPIO_PDSRL = 0;
+
+ /* Configure Wired-OR register */
+ MCF_GPIO_PWOR = 0;
+} \ No newline at end of file
diff --git a/bsps/m68k/mcf52235/start/init52235.c b/bsps/m68k/mcf52235/start/init52235.c
new file mode 100644
index 0000000000..d54b624fdd
--- /dev/null
+++ b/bsps/m68k/mcf52235/start/init52235.c
@@ -0,0 +1,79 @@
+/*
+ * This is where the real hardware setup is done. A minimal stack
+ * has been provided by the start.S code. No normal C or RTEMS
+ * functions can be called from here.
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+
+extern void _wr_vbr(uint32_t);
+extern void init_main(void);
+
+/*
+ * From linkcmds
+ */
+
+extern uint8_t _INTERRUPT_VECTOR[];
+
+extern uint8_t _clear_start[];
+extern uint8_t _clear_end[];
+
+extern uint8_t _data_src_start[];
+extern uint8_t _data_dest_start[];
+extern uint8_t _data_dest_end[];
+
+void Init52235(void)
+{
+ register uint32_t i;
+ register uint32_t *dp, *sp;
+ register uint8_t *dbp, *sbp;
+
+ /*
+ * Initialize the hardware
+ */
+ init_main();
+
+ /*
+ * Copy the vector table to RAM
+ */
+ if (&_VBR != (void *) _INTERRUPT_VECTOR) {
+ sp = (uint32_t *) _INTERRUPT_VECTOR;
+ dp = (uint32_t *) &_VBR;
+ for (i = 0; i < 256; i++) {
+ *dp++ = *sp++;
+ }
+ }
+
+ _wr_vbr((uint32_t) &_VBR);
+
+ /*
+ * Move initialized data from ROM to RAM.
+ */
+ if (_data_src_start != _data_dest_start) {
+ dbp = (uint8_t *) _data_dest_start;
+ sbp = (uint8_t *) _data_src_start;
+ i = _data_dest_end - _data_dest_start;
+ while (i--)
+ *dbp++ = *sbp++;
+ }
+
+ /*
+ * Zero uninitialized data
+ */
+
+ if (_clear_start != _clear_end) {
+ sbp = _clear_start;
+ dbp = _clear_end;
+ i = dbp - sbp;
+ while (i--)
+ *sbp++ = 0;
+ }
+
+ /*
+ * We have to call some kind of RTEMS function here!
+ */
+
+ boot_card(0);
+ for (;;) ;
+}
diff --git a/bsps/m68k/mcf52235/start/linkcmds b/bsps/m68k/mcf52235/start/linkcmds
new file mode 100644
index 0000000000..7c7755cc21
--- /dev/null
+++ b/bsps/m68k/mcf52235/start/linkcmds
@@ -0,0 +1,195 @@
+/*
+ * This file contains directives for the GNU linker which are specific
+ * to the Freescale ColdFire mcf52235
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.e
+ */
+
+/*
+ * Declare some sizes.
+ */
+RamBase = DEFINED(RamBase) ? RamBase : 0x20000000;
+RamSize = DEFINED(RamSize) ? RamSize : 32K;
+HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
+_StackSize = DEFINED(_StackSize) ? _StackSize : 0x400;
+_FlashBase = DEFINED(_FlashBase) ? _FlashBase : 0x00000000;
+
+_VBR = 0x20000000;
+
+ENTRY(start)
+STARTUP(start.o)
+
+MEMORY
+{
+ sram : ORIGIN = 0x20000000, LENGTH = 32K
+ flash : ORIGIN = 0x00000000, LENGTH = 256K
+}
+
+SECTIONS
+{
+ /*
+ * Text, data and bss segments
+ */
+ .text : {
+
+ *(.text*)
+ *(.ram_code)
+
+ /*
+ * C++ constructors/destructors
+ */
+ *(.gnu.linkonce.t.*)
+
+ /*
+ * Initialization and finalization code.
+ *
+ * Various files can provide initialization and finalization
+ * functions. crtbegin.o and crtend.o are two instances. The
+ * body of these functions are in .init and .fini sections. We
+ * accumulate the bodies here, and prepend function prologues
+ * from crti.o and function epilogues from crtn.o. crti.o must
+ * be linked first; crtn.o must be linked last. Because these
+ * are wildcards, it doesn't matter if the user does not
+ * actually link against crti.o and crtn.o; the linker won't
+ * look for a file to match a wildcard. The wildcard also
+ * means that it doesn't matter which directory crti.o and
+ * crtn.o are in.
+ */
+ PROVIDE (_init = .);
+ *crti.o(.init)
+ *(.init)
+ *crtn.o(.init)
+ PROVIDE (_fini = .);
+ *crti.o(.fini)
+ *(.fini)
+ *crtn.o(.fini)
+
+ /*
+ * Special FreeBSD sysctl sections.
+ */
+ . = ALIGN (16);
+ __start_set_sysctl_set = .;
+ *(set_sysctl_*);
+ __stop_set_sysctl_set = ABSOLUTE(.);
+ *(set_domain_*);
+ *(set_pseudo_*);
+
+ /*
+ * C++ constructors/destructors
+ *
+ * gcc uses crtbegin.o to find the start of the constructors
+ * and destructors so we make sure it is first. Because this
+ * is a wildcard, it doesn't matter if the user does not
+ * actually link against crtbegin.o; the linker won't look for
+ * a file to match a wildcard. The wildcard also means that
+ * it doesn't matter which directory crtbegin.o is in. The
+ * constructor and destructor list are terminated in
+ * crtend.o. The same comments apply to it.
+ */
+ . = ALIGN (16);
+ *crtbegin.o(.ctors)
+ *(.ctors)
+ *crtend.o(.ctors)
+ *crtbegin.o(.dtors)
+ *(.dtors)
+ *crtend.o(.dtors)
+
+ /*
+ * Exception frame info
+ */
+ . = ALIGN (16);
+ *(.eh_frame)
+
+ /*
+ * Read-only data
+ */
+ . = ALIGN (16);
+ _rodata_start = . ;
+ *(.rodata*)
+ KEEP (*(SORT(.rtemsroset.*)))
+ *(.gnu.linkonce.r*)
+
+ . = ALIGN (16);
+
+ *(.console_gdb_xfer)
+ *(.bootstrap_data)
+ } >flash
+
+ .tdata : {
+ _TLS_Data_begin = .;
+ *(.tdata .tdata.* .gnu.linkonce.td.*)
+ _TLS_Data_end = .;
+ . = ALIGN(16);
+ _estuff = .;
+ PROVIDE (_etext = .);
+ } >flash
+
+ .tbss : {
+ _TLS_BSS_begin = .;
+ *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
+ _TLS_BSS_end = .;
+ } >flash
+
+ _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
+ _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
+ _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
+ _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
+ _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
+ _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
+
+ .data 0x20000400 : AT (_estuff)
+ {
+ PROVIDE( _data_dest_start = . );
+ PROVIDE( _copy_start = .);
+ *(.data)
+ *(.data.*)
+ KEEP (*(SORT(.rtemsrwset.*)))
+ *(.gnu.linkonce.d*)
+ *(.gcc_except_table*)
+ *(.jcr)
+ . = ALIGN (16);
+ PROVIDE (_edata = .);
+ PROVIDE (_copy_end = .);
+ PROVIDE (_data_dest_end = . );
+ } >sram
+
+ _data_src_start = _estuff;
+ _data_src_end = _data_dest_start + SIZEOF(.data);
+
+ .bss :
+ {
+ PROVIDE (_clear_start = .);
+ *(.bss*)
+ *(COMMON)
+ . = ALIGN (16);
+ PROVIDE (_end = .);
+ PROVIDE (_clear_end = .);
+ } >sram
+
+ .stack :
+ {
+ /*
+ * Starting Stack
+ */
+ . += _StackSize;
+ . = ALIGN (16);
+ PROVIDE(_StackInit = .);
+ PROVIDE(WorkAreaBase = .);
+ } >sram
+
+ /* Stabs debugging sections. */
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+
+ PROVIDE (end_of_all = .);
+}