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authorJustin Waters <justin@justin-linux.(none)>2008-01-21 13:46:21 -0500
committerJustin Waters <justin@justin-linux.(none)>2008-01-21 13:46:21 -0500
commit037af3481edfb2b7a3fbed1dffd277df25f677b9 (patch)
tree2c39b8891b4494298b7ee447c480645d96e13bdb /board/at91sam9261ek/at91sam9261ek.c
parentba999c531ed16ec749b2b6f4b0133cee38842b91 (diff)
Add Atmel AT91 patch version 1.5
This patch adds support for the following boards: AT91RM9200-EK AT91SAM9260-EK AT91SAM9261-EK AT91SAM9263-EK AT91SAM9RL-EK It was downloaded from http://www.linux4sam.org/twiki/pub/Linux4SAM/U-Boot/u-boot-1.1.5_atmel_1.5.diff.bz2 Signed-off-by: Justin Waters <justin.waters@timesys.com>
Diffstat (limited to 'board/at91sam9261ek/at91sam9261ek.c')
-rw-r--r--board/at91sam9261ek/at91sam9261ek.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/board/at91sam9261ek/at91sam9261ek.c b/board/at91sam9261ek/at91sam9261ek.c
new file mode 100644
index 0000000000..003f846b82
--- /dev/null
+++ b/board/at91sam9261ek/at91sam9261ek.c
@@ -0,0 +1,142 @@
+/*
+ * (C) Copyright 2005
+ * M. Amine SAYA ATMEL Rousset, France.
+ * Added AT91SAM9261EK support.
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+
+#include <net.h>
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+#ifdef CONFIG_DRIVER_DM9000
+
+void at91sam9261ek_dm9000_init(void) {
+
+ /* Configure SMC CS2 for DM9000 */
+ AT91C_BASE_SMC->SMC_SETUP2 = (AT91C_DM9000_NWE_SETUP | AT91C_DM9000_NCS_WR_SETUP |
+ AT91C_DM9000_NRD_SETUP | AT91C_DM9000_NCS_RD_SETUP);
+
+ AT91C_BASE_SMC->SMC_PULSE2 = (AT91C_DM9000_NWE_PULSE | AT91C_DM9000_NCS_WR_PULSE | AT91C_DM9000_NRD_PULSE | AT91C_DM9000_NCS_RD_PULSE);
+
+ AT91C_BASE_SMC->SMC_CYCLE2 = (AT91C_DM9000_NWE_CYCLE | AT91C_DM9000_NRD_CYCLE);
+
+#ifdef CONFIG_DM9000_USE_8BIT
+ AT91C_BASE_SMC->SMC_CTRL2 = (AT91C_SMC_READMODE | AT91C_SMC_WRITEMODE | AT91C_SMC_NWAITM_NWAIT_ENABLE_READY |
+ AT91C_SMC_DBW_WIDTH_EIGTH_BITS | AT91C_DM9000_TDF);
+#endif
+
+#ifdef CONFIG_DM9000_USE_16BIT
+ AT91C_BASE_SMC->SMC_CTRL2 = (AT91C_SMC_READMODE | AT91C_SMC_WRITEMODE | AT91C_SMC_NWAITM_NWAIT_DISABLE |
+ AT91C_SMC_BAT_BYTE_WRITE | AT91C_SMC_DBW_WIDTH_SIXTEEN_BITS | AT91C_DM9000_TDF);
+#endif
+
+ /* Configure NWAIT signal */
+ /* AT91F_PIO_CfgPeriph(AT91C_BASE_PIOC,AT91C_PC2_NWAIT,0); */
+
+ /* Configure Reset signal in output */
+ AT91F_PIO_CfgOutput(AT91C_BASE_PIOC,AT91C_PIO_PC10);
+ AT91F_PIO_ClearOutput(AT91C_BASE_PIOC,AT91C_PIO_PC10);
+}
+#endif
+
+int board_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* Enable Ctrlc */
+ console_init_f ();
+
+ /* Enable clocks for SMC and PIOC */
+ AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SYS;
+ AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOC;
+
+ /* memory and cpu-speed are setup before relocation */
+ /* so we do _nothing_ here */
+
+#ifdef CONFIG_LCD
+ gd->fb_base = (unsigned long) AT91C_IRAM;
+#endif
+
+ /* arch number of AT91SAM9261EK-Board */
+ gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9261EK;
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ return 0;
+}
+
+int AT91F_Serial_Hardware_Init(void)
+{
+#ifdef CONFIG_DBGU
+ *AT91C_PIOA_PDR = AT91C_PA10_DTXD | AT91C_PA9_DRXD; /* PA 10 & 9 */
+ *AT91C_PMC_PCER = 1 << AT91C_ID_SYS; /* enable clock */
+#endif
+
+#ifdef CONFIG_USART0
+ *AT91C_PIOA_PDR = AT91C_PC8_TXD0 | AT91C_PC9_RXD0;
+ *AT91C_PMC_PCER |= 1 << AT91C_ID_US0; /* enable clock */
+#endif
+
+#ifdef CONFIG_USART1
+ *AT91C_PIOB_PDR = AT91C_PC12_TXD1 | AT91C_PC13_RXD1;
+ *AT91C_PMC_PCER |= 1 << AT91C_ID_US1; /* enable clock */
+#endif
+
+#ifdef CONFIG_USART2
+ *AT91C_PIOB_PDR = AT91C_PC14_TXD2 | AT91C_PC15_RXD2;
+ *AT91C_PMC_PCER |= 1 << AT91C_ID_US2; /* enable clock */
+#endif
+}
+
+int dram_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+ return 0;
+}
+
+
+int board_late_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* Fix Ethernet Initialization Bug when starting Linux from U-Boot */
+#if (CONFIG_COMMANDS & CFG_CMD_NET)
+#ifdef CONFIG_DRIVER_DM9000
+ /* configure SMC's NCS2 to use it with DM9000 chip */
+ at91sam9261ek_dm9000_init();
+#endif
+ eth_init(gd->bd);
+#endif
+
+ return 0;
+}