Support for the Calao TNY-A9260/TNY-A9G20 boards

[people/ms/u-boot.git] / board / calao / tny_a9260 / tny_a9260.c

diff --git a/board/calao/tny_a9260/tny_a9260.c b/board/calao/tny_a9260/tny_a9260.c
new file mode 100644 (file)
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--- /dev/null
+++ b/board/calao/tny_a9260/tny_a9260.c
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+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * Copyright (C) 2009
+ * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
+ *
+ * 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/at91sam9260.h>
+#include <asm/arch/at91sam9_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
+#include <asm/arch/hardware.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+static void tny_a9260_nand_hw_init(void)
+{
+       unsigned long csa;
+
+       /* Enable CS3 */
+       csa = at91_sys_read(AT91_MATRIX_EBICSA);
+       at91_sys_write(AT91_MATRIX_EBICSA,
+                      csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
+
+       /* Configure SMC CS3 for NAND/SmartMedia */
+       at91_sys_write(AT91_SMC_SETUP(3),
+                      AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
+                      AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
+       at91_sys_write(AT91_SMC_PULSE(3),
+                      AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
+                      AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
+       at91_sys_write(AT91_SMC_CYCLE(3),
+                      AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
+       at91_sys_write(AT91_SMC_MODE(3),
+                      AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
+                      AT91_SMC_EXNWMODE_DISABLE |
+#ifdef CONFIG_SYS_NAND_DBW_16
+                      AT91_SMC_DBW_16 |
+#else /* CONFIG_SYS_NAND_DBW_8 */
+                      AT91_SMC_DBW_8 |
+#endif
+                      AT91_SMC_TDF_(2));
+
+       at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_PIOC);
+
+       /* Configure RDY/BSY */
+       at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);
+
+       /* Enable NandFlash */
+       at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
+}
+
+int board_init(void)
+{
+       /* Enable Ctrlc */
+       console_init_f();
+
+#if defined(CONFIG_TNY_A9260)
+       gd->bd->bi_arch_number = MACH_TYPE_TNY_A9260;
+#elif defined(CONFIG_TNY_A9G20)
+       gd->bd->bi_arch_number = MACH_TYPE_TNY_A9G20;
+#endif
+       /* adress of boot parameters */
+       gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+       at91_serial_hw_init();
+       tny_a9260_nand_hw_init();
+       at91_spi0_hw_init(1 << 5);
+       return 0;
+}
+
+int dram_init(void)
+{
+       gd->bd->bi_dram[0].start = PHYS_SDRAM;
+       if(get_ram_size((long *) PHYS_SDRAM, PHYS_SDRAM_SIZE) != PHYS_SDRAM_SIZE)
+               return -1;
+
+       gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+       return 0;
+}