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authorJoel Sherrill <joel.sherrill@OARcorp.com>2008-08-18 14:54:45 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>2008-08-18 14:54:45 +0000
commit4c54bb077eb86a3570c4a53276ce8d20289d63cf (patch)
treeaec094df524688ecc01b79b1b552c2def5aa2ddc /c/src
parent2008-08-18 Sebastian Huber <sebastian.huber@embedded-brains.de> (diff)
downloadrtems-4c54bb077eb86a3570c4a53276ce8d20289d63cf.tar.bz2
2008-08-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
* startup/init548x.c: Converted to UNIX line endings.
Diffstat (limited to 'c/src')
-rw-r--r--c/src/lib/libbsp/m68k/genmcf548x/ChangeLog4
-rw-r--r--c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c634
2 files changed, 321 insertions, 317 deletions
diff --git a/c/src/lib/libbsp/m68k/genmcf548x/ChangeLog b/c/src/lib/libbsp/m68k/genmcf548x/ChangeLog
index 54f6c397e2..d02870faf2 100644
--- a/c/src/lib/libbsp/m68k/genmcf548x/ChangeLog
+++ b/c/src/lib/libbsp/m68k/genmcf548x/ChangeLog
@@ -1,3 +1,7 @@
+2008-08-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+ * startup/init548x.c: Converted to UNIX line endings.
+
2008-07-31 Joel Sherrill <joel.sherrill@OARcorp.com>
* Makefile.am: Do not build .rel files. Reduces code bloat.
diff --git a/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c b/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c
index 22541781c2..7319fa45f1 100644
--- a/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c
+++ b/c/src/lib/libbsp/m68k/genmcf548x/startup/init548x.c
@@ -1,317 +1,317 @@
-/*===============================================================*\
-| Project: RTEMS generic mcf548x BSP |
-+-----------------------------------------------------------------+
-| File: init548x.c |
-+-----------------------------------------------------------------+
-| The file contains the c part of MCF548x init code |
-+-----------------------------------------------------------------+
-| Copyright (c) 2007 |
-| Embedded Brains GmbH |
-| Obere Lagerstr. 30 |
-| D-82178 Puchheim |
-| Germany |
-| rtems@embedded-brains.de |
-+-----------------------------------------------------------------+
-| |
-| Parts of the code has been derived from the "dBUG source code" |
-| package Freescale is providing for M548X EVBs. The usage of |
-| the modified or unmodified code and it's integration into the |
-| generic mcf548x BSP has been done according to the Freescale |
-| license terms. |
-| |
-| The Freescale license terms can be reviewed in the file |
-| |
-| Freescale_license.txt |
-| |
-+-----------------------------------------------------------------+
-| |
-| The generic mcf548x BSP has been developed on the basic |
-| structures and modules of the av5282 BSP. |
-| |
-+-----------------------------------------------------------------+
-| |
-| The license and distribution terms for this file may be |
-| found in the file LICENSE in this distribution or at |
-| |
-| http://www.rtems.com/license/LICENSE. |
-| |
-+-----------------------------------------------------------------+
-| |
-| date history ID |
-| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
-| 12.11.07 1.0 ras |
-| |
-\*===============================================================*/
-
-#include <rtems.h>
-#include <bsp.h>
-
-#define SYSTEM_PERIOD 10 /* system bus period in ns */
-
-/* SDRAM Timing Parameters */
-#define SDRAM_TWR 2 /* in clocks */
-#define SDRAM_CASL 2.5 /* in clocks */
-#define SDRAM_TRCD 20 /* in ns */
-#define SDRAM_TRP 20 /* in ns */
-#define SDRAM_TRFC 75 /* in ns */
-#define SDRAM_TREFI 7800 /* in ns */
-
-extern uint8_t _DataRom[];
-extern uint8_t _DataRam[];
-extern uint8_t _DataEnd[];
-extern uint8_t _BssStart[];
-extern uint8_t _BssEnd[];
-extern uint8_t _BootFlashBase[];
-extern uint8_t _CodeFlashBase[];
-extern uint8_t _RamBase[];
-extern uint32_t InterruptVectorTable[];
-extern uint32_t _VectorRam[];
-
-void gpio_init(void);
-void fbcs_init(void);
-void sdramc_init(void);
-void mcf548x_init(void);
-
-
-void mcf548x_init(void)
- {
- uint32_t n;
- uint8_t *dp, *sp;
-
- /* set XLB arbiter timeouts */
-#ifdef M5484FIREENGINE
- /* set XLB arbiter timeouts */
- MCF548X_XLB_ADRTO = 0x00000100;
- MCF548X_XLB_DATTO = 0x00000100;
- MCF548X_XLB_BUSTO = 0x00000100;
-#endif
-
- gpio_init();
- fbcs_init();
- sdramc_init();
-
- /* Copy the vector table to RAM */
- if (_VectorRam != InterruptVectorTable)
- {
- for( n = 0; n < 256; n++)
- {
- _VectorRam[n] = InterruptVectorTable[n];
- }
- }
-
- m68k_set_vbr((uint32_t)_VectorRam);
-
- /* Move initialized data from ROM to RAM. */
- if (_DataRom != _DataRam)
- {
- n = _DataEnd - _DataRam;
- sp = (uint8_t *)_DataRom;
- dp = (uint8_t *)_DataRam;
- while(n--)
- *dp++ = *sp++;
- }
-
- /* Zero uninitialized data */
- if (_BssStart != _BssEnd)
- {
- n = _BssEnd - _BssStart;
- sp = (uint8_t *)_BssStart;
- while (n--)
- *sp++ = 0;
- }
-
-}
-/********************************************************************/
-void
-fbcs_init (void)
-{
-#ifdef M5484FIREENGINE
-
-volatile uint32_t cscr, clk_ratio, fb_period, ws;
-
-/* boot flash already valid ? */
-if(!(MCF548X_FBCS_CSMR0 & MCF548X_FBCS_CSMR_V))
- {
-
- /*
- * Boot Flash
- */
- MCF548X_FBCS_CSAR0 = MCF548X_FBCS_CSAR_BA((uint32_t)(_BootFlashBase));
-
- cscr = (0
- | MCF548X_FBCS_CSCR_ASET(1)
- | MCF548X_FBCS_CSCR_WRAH(0)
- | MCF548X_FBCS_CSCR_RDAH(0)
- | MCF548X_FBCS_CSCR_AA
- | MCF548X_FBCS_CSCR_PS_16);
-
- /*
- * Determine the necessary wait states based on the defined system
- * period (XLB clock period) and the CLKIN to XLB ratio.
- * The boot flash has a max access time of 110ns.
- */
- clk_ratio = (MCF548X_PCI_PCIGSCR >> 24) & 0x7;
- fb_period = SYSTEM_PERIOD * clk_ratio;
- ws = 110 / fb_period;
-
- MCF548X_FBCS_CSCR0 = cscr | MCF548X_FBCS_CSCR_WS(ws);
- MCF548X_FBCS_CSMR0 = (0
- | MCF548X_FBCS_CSMR_BAM_2M
- | MCF548X_FBCS_CSMR_V);
-
- }
-
-/* code flash already valid ? */
-if(!(MCF548X_FBCS_CSMR1 & MCF548X_FBCS_CSMR_V))
- {
-
- /*
- * Code Flash
- */
- MCF548X_FBCS_CSAR1 = MCF548X_FBCS_CSAR_BA((uint32_t)(_CodeFlashBase));
-
- /*
- * Determine the necessary wait states based on the defined system
- * period (XLB clock period) and the CLKIN to XLB ratio.
- * The user/code flash has a max access time of 120ns.
- */
- ws = 120 / fb_period;
- MCF548X_FBCS_CSCR1 = cscr | MCF548X_FBCS_CSCR_WS(ws);
- MCF548X_FBCS_CSMR1 = (0
- | MCF548X_FBCS_CSMR_BAM_16M
- | MCF548X_FBCS_CSMR_V);
- }
-
-#endif
-}
-
-/********************************************************************/
-void
-sdramc_init (void)
-{
-
- /*
- * Check to see if the SDRAM has already been initialized
- * by a run control tool
- */
- if (!(MCF548X_SDRAMC_SDCR & MCF548X_SDRAMC_SDCR_REF))
- {
- /*
- * Basic configuration and initialization
- */
- MCF548X_SDRAMC_SDRAMDS = (0
- | MCF548X_SDRAMC_SDRAMDS_SB_E(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
- | MCF548X_SDRAMC_SDRAMDS_SB_C(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
- | MCF548X_SDRAMC_SDRAMDS_SB_A(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
- | MCF548X_SDRAMC_SDRAMDS_SB_S(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
- | MCF548X_SDRAMC_SDRAMDS_SB_D(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
- );
- MCF548X_SDRAMC_CS0CFG = (0
- | MCF548X_SDRAMC_CSnCFG_CSBA((uint32_t)(_RamBase))
- | MCF548X_SDRAMC_CSnCFG_CSSZ(MCF548X_SDRAMC_CSnCFG_CSSZ_64MBYTE)
- );
- MCF548X_SDRAMC_SDCFG1 = (0
- | MCF548X_SDRAMC_SDCFG1_SRD2RW(7)
- | MCF548X_SDRAMC_SDCFG1_SWT2RD(SDRAM_TWR + 1)
- | MCF548X_SDRAMC_SDCFG1_RDLAT((int)((SDRAM_CASL*2) + 2))
- | MCF548X_SDRAMC_SDCFG1_ACT2RW((int)(((SDRAM_TRCD/SYSTEM_PERIOD) - 1) + 0.5))
- | MCF548X_SDRAMC_SDCFG1_PRE2ACT((int)(((SDRAM_TRP/SYSTEM_PERIOD) - 1) + 0.5))
- | MCF548X_SDRAMC_SDCFG1_REF2ACT((int)(((SDRAM_TRFC/SYSTEM_PERIOD) - 1) + 0.5))
- | MCF548X_SDRAMC_SDCFG1_WTLAT(3)
- );
- MCF548X_SDRAMC_SDCFG2 = (0
- | MCF548X_SDRAMC_SDCFG2_BRD2PRE(4)
- | MCF548X_SDRAMC_SDCFG2_BWT2RW(6)
- | MCF548X_SDRAMC_SDCFG2_BRD2WT(7)
- | MCF548X_SDRAMC_SDCFG2_BL(7)
- );
-
- /*
- * Precharge and enable write to SDMR
- */
- MCF548X_SDRAMC_SDCR = (0
- | MCF548X_SDRAMC_SDCR_MODE_EN
- | MCF548X_SDRAMC_SDCR_CKE
- | MCF548X_SDRAMC_SDCR_DDR
- | MCF548X_SDRAMC_SDCR_MUX(1)
- | MCF548X_SDRAMC_SDCR_RCNT((int)(((SDRAM_TREFI/(SYSTEM_PERIOD*64)) - 1) + 0.5))
- | MCF548X_SDRAMC_SDCR_IPALL
- );
-
- /*
- * Write extended mode register
- */
- MCF548X_SDRAMC_SDMR = (0
- | MCF548X_SDRAMC_SDMR_BNKAD_LEMR
- | MCF548X_SDRAMC_SDMR_AD(0x0)
- | MCF548X_SDRAMC_SDMR_CMD
- );
-
- /*
- * Write mode register and reset DLL
- */
- MCF548X_SDRAMC_SDMR = (0
- | MCF548X_SDRAMC_SDMR_BNKAD_LMR
- | MCF548X_SDRAMC_SDMR_AD(0x163)
- | MCF548X_SDRAMC_SDMR_CMD
- );
-
- /*
- * Execute a PALL command
- */
- MCF548X_SDRAMC_SDCR |=MCF548X_SDRAMC_SDCR_IPALL;
-
- /*
- * Perform two REF cycles
- */
- MCF548X_SDRAMC_SDCR |= MCF548X_SDRAMC_SDCR_IREF;
- MCF548X_SDRAMC_SDCR |= MCF548X_SDRAMC_SDCR_IREF;
-
- /*
- * Write mode register and clear reset DLL
- */
- MCF548X_SDRAMC_SDMR = (0
- | MCF548X_SDRAMC_SDMR_BNKAD_LMR
- | MCF548X_SDRAMC_SDMR_AD(0x063)
- | MCF548X_SDRAMC_SDMR_CMD
- );
-
- /*
- * Enable auto refresh and lock SDMR
- */
- MCF548X_SDRAMC_SDCR &= ~MCF548X_SDRAMC_SDCR_MODE_EN;
- MCF548X_SDRAMC_SDCR |= (0
- | MCF548X_SDRAMC_SDCR_REF
- | MCF548X_SDRAMC_SDCR_DQS_OE(0xF)
- );
- }
-
-}
-
-/********************************************************************/
-void
-gpio_init(void)
-{
-
-#ifdef M5484FIREENGINE
-
- /*
- * Enable Ethernet signals so that, if a cable is plugged into
- * the ports, the lines won't be floating and potentially cause
- * erroneous transmissions
- */
- MCF548X_GPIO_PAR_FECI2CIRQ = (0
- | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E1MDC_EMDC
- | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E1MDIO_EMDIO
- | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E1MII
- | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E17
- );
- MCF548X_GPIO_PAR_FECI2CIRQ = (0
- | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E0MDC
- | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E0MDIO
- | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E0MII
- | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E07
- );
-
-#endif
-}
+/*===============================================================*\
+| Project: RTEMS generic mcf548x BSP |
++-----------------------------------------------------------------+
+| File: init548x.c |
++-----------------------------------------------------------------+
+| The file contains the c part of MCF548x init code |
++-----------------------------------------------------------------+
+| Copyright (c) 2007 |
+| Embedded Brains GmbH |
+| Obere Lagerstr. 30 |
+| D-82178 Puchheim |
+| Germany |
+| rtems@embedded-brains.de |
++-----------------------------------------------------------------+
+| |
+| Parts of the code has been derived from the "dBUG source code" |
+| package Freescale is providing for M548X EVBs. The usage of |
+| the modified or unmodified code and it's integration into the |
+| generic mcf548x BSP has been done according to the Freescale |
+| license terms. |
+| |
+| The Freescale license terms can be reviewed in the file |
+| |
+| Freescale_license.txt |
+| |
++-----------------------------------------------------------------+
+| |
+| The generic mcf548x BSP has been developed on the basic |
+| structures and modules of the av5282 BSP. |
+| |
++-----------------------------------------------------------------+
+| |
+| The license and distribution terms for this file may be |
+| found in the file LICENSE in this distribution or at |
+| |
+| http://www.rtems.com/license/LICENSE. |
+| |
++-----------------------------------------------------------------+
+| |
+| date history ID |
+| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
+| 12.11.07 1.0 ras |
+| |
+\*===============================================================*/
+
+#include <rtems.h>
+#include <bsp.h>
+
+#define SYSTEM_PERIOD 10 /* system bus period in ns */
+
+/* SDRAM Timing Parameters */
+#define SDRAM_TWR 2 /* in clocks */
+#define SDRAM_CASL 2.5 /* in clocks */
+#define SDRAM_TRCD 20 /* in ns */
+#define SDRAM_TRP 20 /* in ns */
+#define SDRAM_TRFC 75 /* in ns */
+#define SDRAM_TREFI 7800 /* in ns */
+
+extern uint8_t _DataRom[];
+extern uint8_t _DataRam[];
+extern uint8_t _DataEnd[];
+extern uint8_t _BssStart[];
+extern uint8_t _BssEnd[];
+extern uint8_t _BootFlashBase[];
+extern uint8_t _CodeFlashBase[];
+extern uint8_t _RamBase[];
+extern uint32_t InterruptVectorTable[];
+extern uint32_t _VectorRam[];
+
+void gpio_init(void);
+void fbcs_init(void);
+void sdramc_init(void);
+void mcf548x_init(void);
+
+
+void mcf548x_init(void)
+ {
+ uint32_t n;
+ uint8_t *dp, *sp;
+
+ /* set XLB arbiter timeouts */
+#ifdef M5484FIREENGINE
+ /* set XLB arbiter timeouts */
+ MCF548X_XLB_ADRTO = 0x00000100;
+ MCF548X_XLB_DATTO = 0x00000100;
+ MCF548X_XLB_BUSTO = 0x00000100;
+#endif
+
+ gpio_init();
+ fbcs_init();
+ sdramc_init();
+
+ /* Copy the vector table to RAM */
+ if (_VectorRam != InterruptVectorTable)
+ {
+ for( n = 0; n < 256; n++)
+ {
+ _VectorRam[n] = InterruptVectorTable[n];
+ }
+ }
+
+ m68k_set_vbr((uint32_t)_VectorRam);
+
+ /* Move initialized data from ROM to RAM. */
+ if (_DataRom != _DataRam)
+ {
+ n = _DataEnd - _DataRam;
+ sp = (uint8_t *)_DataRom;
+ dp = (uint8_t *)_DataRam;
+ while(n--)
+ *dp++ = *sp++;
+ }
+
+ /* Zero uninitialized data */
+ if (_BssStart != _BssEnd)
+ {
+ n = _BssEnd - _BssStart;
+ sp = (uint8_t *)_BssStart;
+ while (n--)
+ *sp++ = 0;
+ }
+
+}
+/********************************************************************/
+void
+fbcs_init (void)
+{
+#ifdef M5484FIREENGINE
+
+volatile uint32_t cscr, clk_ratio, fb_period, ws;
+
+/* boot flash already valid ? */
+if(!(MCF548X_FBCS_CSMR0 & MCF548X_FBCS_CSMR_V))
+ {
+
+ /*
+ * Boot Flash
+ */
+ MCF548X_FBCS_CSAR0 = MCF548X_FBCS_CSAR_BA((uint32_t)(_BootFlashBase));
+
+ cscr = (0
+ | MCF548X_FBCS_CSCR_ASET(1)
+ | MCF548X_FBCS_CSCR_WRAH(0)
+ | MCF548X_FBCS_CSCR_RDAH(0)
+ | MCF548X_FBCS_CSCR_AA
+ | MCF548X_FBCS_CSCR_PS_16);
+
+ /*
+ * Determine the necessary wait states based on the defined system
+ * period (XLB clock period) and the CLKIN to XLB ratio.
+ * The boot flash has a max access time of 110ns.
+ */
+ clk_ratio = (MCF548X_PCI_PCIGSCR >> 24) & 0x7;
+ fb_period = SYSTEM_PERIOD * clk_ratio;
+ ws = 110 / fb_period;
+
+ MCF548X_FBCS_CSCR0 = cscr | MCF548X_FBCS_CSCR_WS(ws);
+ MCF548X_FBCS_CSMR0 = (0
+ | MCF548X_FBCS_CSMR_BAM_2M
+ | MCF548X_FBCS_CSMR_V);
+
+ }
+
+/* code flash already valid ? */
+if(!(MCF548X_FBCS_CSMR1 & MCF548X_FBCS_CSMR_V))
+ {
+
+ /*
+ * Code Flash
+ */
+ MCF548X_FBCS_CSAR1 = MCF548X_FBCS_CSAR_BA((uint32_t)(_CodeFlashBase));
+
+ /*
+ * Determine the necessary wait states based on the defined system
+ * period (XLB clock period) and the CLKIN to XLB ratio.
+ * The user/code flash has a max access time of 120ns.
+ */
+ ws = 120 / fb_period;
+ MCF548X_FBCS_CSCR1 = cscr | MCF548X_FBCS_CSCR_WS(ws);
+ MCF548X_FBCS_CSMR1 = (0
+ | MCF548X_FBCS_CSMR_BAM_16M
+ | MCF548X_FBCS_CSMR_V);
+ }
+
+#endif
+}
+
+/********************************************************************/
+void
+sdramc_init (void)
+{
+
+ /*
+ * Check to see if the SDRAM has already been initialized
+ * by a run control tool
+ */
+ if (!(MCF548X_SDRAMC_SDCR & MCF548X_SDRAMC_SDCR_REF))
+ {
+ /*
+ * Basic configuration and initialization
+ */
+ MCF548X_SDRAMC_SDRAMDS = (0
+ | MCF548X_SDRAMC_SDRAMDS_SB_E(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
+ | MCF548X_SDRAMC_SDRAMDS_SB_C(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
+ | MCF548X_SDRAMC_SDRAMDS_SB_A(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
+ | MCF548X_SDRAMC_SDRAMDS_SB_S(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
+ | MCF548X_SDRAMC_SDRAMDS_SB_D(MCF548X_SDRAMC_SDRAMDS_DRIVE_8MA)
+ );
+ MCF548X_SDRAMC_CS0CFG = (0
+ | MCF548X_SDRAMC_CSnCFG_CSBA((uint32_t)(_RamBase))
+ | MCF548X_SDRAMC_CSnCFG_CSSZ(MCF548X_SDRAMC_CSnCFG_CSSZ_64MBYTE)
+ );
+ MCF548X_SDRAMC_SDCFG1 = (0
+ | MCF548X_SDRAMC_SDCFG1_SRD2RW(7)
+ | MCF548X_SDRAMC_SDCFG1_SWT2RD(SDRAM_TWR + 1)
+ | MCF548X_SDRAMC_SDCFG1_RDLAT((int)((SDRAM_CASL*2) + 2))
+ | MCF548X_SDRAMC_SDCFG1_ACT2RW((int)(((SDRAM_TRCD/SYSTEM_PERIOD) - 1) + 0.5))
+ | MCF548X_SDRAMC_SDCFG1_PRE2ACT((int)(((SDRAM_TRP/SYSTEM_PERIOD) - 1) + 0.5))
+ | MCF548X_SDRAMC_SDCFG1_REF2ACT((int)(((SDRAM_TRFC/SYSTEM_PERIOD) - 1) + 0.5))
+ | MCF548X_SDRAMC_SDCFG1_WTLAT(3)
+ );
+ MCF548X_SDRAMC_SDCFG2 = (0
+ | MCF548X_SDRAMC_SDCFG2_BRD2PRE(4)
+ | MCF548X_SDRAMC_SDCFG2_BWT2RW(6)
+ | MCF548X_SDRAMC_SDCFG2_BRD2WT(7)
+ | MCF548X_SDRAMC_SDCFG2_BL(7)
+ );
+
+ /*
+ * Precharge and enable write to SDMR
+ */
+ MCF548X_SDRAMC_SDCR = (0
+ | MCF548X_SDRAMC_SDCR_MODE_EN
+ | MCF548X_SDRAMC_SDCR_CKE
+ | MCF548X_SDRAMC_SDCR_DDR
+ | MCF548X_SDRAMC_SDCR_MUX(1)
+ | MCF548X_SDRAMC_SDCR_RCNT((int)(((SDRAM_TREFI/(SYSTEM_PERIOD*64)) - 1) + 0.5))
+ | MCF548X_SDRAMC_SDCR_IPALL
+ );
+
+ /*
+ * Write extended mode register
+ */
+ MCF548X_SDRAMC_SDMR = (0
+ | MCF548X_SDRAMC_SDMR_BNKAD_LEMR
+ | MCF548X_SDRAMC_SDMR_AD(0x0)
+ | MCF548X_SDRAMC_SDMR_CMD
+ );
+
+ /*
+ * Write mode register and reset DLL
+ */
+ MCF548X_SDRAMC_SDMR = (0
+ | MCF548X_SDRAMC_SDMR_BNKAD_LMR
+ | MCF548X_SDRAMC_SDMR_AD(0x163)
+ | MCF548X_SDRAMC_SDMR_CMD
+ );
+
+ /*
+ * Execute a PALL command
+ */
+ MCF548X_SDRAMC_SDCR |=MCF548X_SDRAMC_SDCR_IPALL;
+
+ /*
+ * Perform two REF cycles
+ */
+ MCF548X_SDRAMC_SDCR |= MCF548X_SDRAMC_SDCR_IREF;
+ MCF548X_SDRAMC_SDCR |= MCF548X_SDRAMC_SDCR_IREF;
+
+ /*
+ * Write mode register and clear reset DLL
+ */
+ MCF548X_SDRAMC_SDMR = (0
+ | MCF548X_SDRAMC_SDMR_BNKAD_LMR
+ | MCF548X_SDRAMC_SDMR_AD(0x063)
+ | MCF548X_SDRAMC_SDMR_CMD
+ );
+
+ /*
+ * Enable auto refresh and lock SDMR
+ */
+ MCF548X_SDRAMC_SDCR &= ~MCF548X_SDRAMC_SDCR_MODE_EN;
+ MCF548X_SDRAMC_SDCR |= (0
+ | MCF548X_SDRAMC_SDCR_REF
+ | MCF548X_SDRAMC_SDCR_DQS_OE(0xF)
+ );
+ }
+
+}
+
+/********************************************************************/
+void
+gpio_init(void)
+{
+
+#ifdef M5484FIREENGINE
+
+ /*
+ * Enable Ethernet signals so that, if a cable is plugged into
+ * the ports, the lines won't be floating and potentially cause
+ * erroneous transmissions
+ */
+ MCF548X_GPIO_PAR_FECI2CIRQ = (0
+ | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E1MDC_EMDC
+ | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E1MDIO_EMDIO
+ | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E1MII
+ | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E17
+ );
+ MCF548X_GPIO_PAR_FECI2CIRQ = (0
+ | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E0MDC
+ | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E0MDIO
+ | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E0MII
+ | MCF548X_GPIO_PAR_FECI2CIRQ_PAR_E07
+ );
+
+#endif
+}