AT91CAP9 support : board/ files

Signed-off-by: Stelian Pop <stelian@popies.net>

6 files changed, 542 insertions, 0 deletions

diff --git a/board/at91cap9adk/Makefile b/board/at91cap9adk/Makefile
new file mode 100644
index 0000000000..359fdab600
--- /dev/null
+++ b/board/at91cap9adk/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd <at> denx.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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	:= at91cap9adk.o led.o nand.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/at91cap9adk/at91cap9adk.c b/board/at91cap9adk/at91cap9adk.c
new file mode 100644
index 0000000000..bde6aa97f6
--- /dev/null
+++ b/board/at91cap9adk/at91cap9adk.c
@@ -0,0 +1,283 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop <at> leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.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/AT91CAP9.h>
+
+#define MP_BLOCK_3_BASE	0xFDF00000
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* ------------------------------------------------------------------------- */
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+static void at91cap9_serial_hw_init(void)
+{
+#ifdef CONFIG_USART0
+	AT91C_BASE_PIOA->PIO_PDR = AT91C_PA22_TXD0 | AT91C_PA23_RXD0;
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US0;
+#endif
+
+#ifdef CONFIG_USART1
+	AT91C_BASE_PIOD->PIO_PDR = AT91C_PD0_TXD1 | AT91C_PD1_RXD1;
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US1;
+#endif
+
+#ifdef CONFIG_USART2
+	AT91C_BASE_PIOD->PIO_PDR = AT91C_PD2_TXD2 | AT91C_PD3_RXD2;
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US2;
+#endif
+
+#ifdef CONFIG_USART3	/* DBGU */
+	AT91C_BASE_PIOC->PIO_PDR = AT91C_PC31_DTXD | AT91C_PC30_DRXD;
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SYS;
+#endif
+
+
+}
+
+static void at91cap9_nor_hw_init(void)
+{
+	/* Ensure EBI supply is 3.3V */
+	AT91C_BASE_CCFG->CCFG_EBICSA |= AT91C_EBI_SUP_3V3;
+
+	/* Configure SMC CS0 for parallel flash */
+	AT91C_BASE_SMC->SMC_SETUP0 = AT91C_FLASH_NWE_SETUP |
+				     AT91C_FLASH_NCS_WR_SETUP |
+				     AT91C_FLASH_NRD_SETUP |
+				     AT91C_FLASH_NCS_RD_SETUP;
+
+	AT91C_BASE_SMC->SMC_PULSE0 = AT91C_FLASH_NWE_PULSE |
+				     AT91C_FLASH_NCS_WR_PULSE |
+				     AT91C_FLASH_NRD_PULSE |
+				     AT91C_FLASH_NCS_RD_PULSE;
+
+	AT91C_BASE_SMC->SMC_CYCLE0 = AT91C_FLASH_NWE_CYCLE |
+				     AT91C_FLASH_NRD_CYCLE;
+
+	AT91C_BASE_SMC->SMC_CTRL0 =  AT91C_SMC_READMODE |
+				     AT91C_SMC_WRITEMODE |
+				     AT91C_SMC_NWAITM_NWAIT_DISABLE |
+				     AT91C_SMC_BAT_BYTE_WRITE |
+				     AT91C_SMC_DBW_WIDTH_SIXTEEN_BITS |
+				     (AT91C_SMC_TDF & (1 << 16));
+}
+
+#ifdef CONFIG_CMD_NAND
+static void at91cap9_nand_hw_init(void)
+{
+	/* Enable CS3 */
+	AT91C_BASE_CCFG->CCFG_EBICSA |= AT91C_EBI_CS3A_SM | AT91C_EBI_SUP_3V3;
+
+	/* Configure SMC CS3 for NAND/SmartMedia */
+	AT91C_BASE_SMC->SMC_SETUP3 = AT91C_SM_NWE_SETUP |
+				     AT91C_SM_NCS_WR_SETUP |
+				     AT91C_SM_NRD_SETUP |
+				     AT91C_SM_NCS_RD_SETUP;
+
+	AT91C_BASE_SMC->SMC_PULSE3 = AT91C_SM_NWE_PULSE |
+				     AT91C_SM_NCS_WR_PULSE |
+				     AT91C_SM_NRD_PULSE |
+				     AT91C_SM_NCS_RD_PULSE;
+
+	AT91C_BASE_SMC->SMC_CYCLE3 = AT91C_SM_NWE_CYCLE |
+				     AT91C_SM_NRD_CYCLE;
+
+	AT91C_BASE_SMC->SMC_CTRL3 =  AT91C_SMC_READMODE |
+				     AT91C_SMC_WRITEMODE |
+				     AT91C_SMC_NWAITM_NWAIT_DISABLE |
+				     AT91C_SMC_DBW_WIDTH_EIGTH_BITS |
+				     AT91C_SM_TDF;
+
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOABCD;
+
+	/* RDY/BSY is not connected */
+
+	/* Enable NandFlash */
+	AT91C_BASE_PIOD->PIO_PER = AT91C_PIO_PD15;
+	AT91C_BASE_PIOD->PIO_OER = AT91C_PIO_PD15;
+}
+#endif
+
+#ifdef CONFIG_HAS_DATAFLASH
+static void at91cap9_spi_hw_init(void)
+{
+	AT91C_BASE_PIOD->PIO_BSR = AT91C_PD0_SPI0_NPCS2D |
+				   AT91C_PD1_SPI0_NPCS3D;
+	AT91C_BASE_PIOD->PIO_PDR = AT91C_PD0_SPI0_NPCS2D |
+				   AT91C_PD1_SPI0_NPCS3D;
+
+	AT91C_BASE_PIOA->PIO_ASR = AT91C_PA28_SPI0_NPCS3A;
+	AT91C_BASE_PIOA->PIO_BSR = AT91C_PA4_SPI0_NPCS2A |
+				   AT91C_PA1_SPI0_MOSI |
+				   AT91C_PA0_SPI0_MISO |
+				   AT91C_PA3_SPI0_NPCS1 |
+				   AT91C_PA5_SPI0_NPCS0 |
+				   AT91C_PA2_SPI0_SPCK;
+	AT91C_BASE_PIOA->PIO_PDR = AT91C_PA28_SPI0_NPCS3A |
+				   AT91C_PA4_SPI0_NPCS2A |
+				   AT91C_PA1_SPI0_MOSI |
+				   AT91C_PA0_SPI0_MISO |
+				   AT91C_PA3_SPI0_NPCS1 |
+				   AT91C_PA5_SPI0_NPCS0 |
+				   AT91C_PA2_SPI0_SPCK;
+
+	/* Enable Clock */
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_SPI0;
+}
+#endif
+
+#ifdef CONFIG_MACB
+static void at91cap9_macb_hw_init(void)
+{
+	unsigned int gpio;
+
+	/* Enable clock */
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_EMAC;
+
+	/*
+	 * Disable pull-up on:
+	 *	RXDV (PB22) => PHY normal mode (not Test mode)
+	 *	ERX0 (PB25) => PHY ADDR0
+	 *	ERX1 (PB26) => PHY ADDR1 => PHYADDR = 0x0
+	 *
+	 * PHY has internal pull-down
+	 */
+	AT91C_BASE_PIOB->PIO_PPUDR = AT91C_PB22_E_RXDV |
+				     AT91C_PB25_E_RX0 |
+				     AT91C_PB26_E_RX1;
+
+	/* Need to reset PHY -> 500ms reset */
+	AT91C_BASE_RSTC->RSTC_RMR = (AT91C_RSTC_KEY & (0xA5 << 24)) |
+				    (AT91C_RSTC_ERSTL & (0x0D << 8)) |
+				    AT91C_RSTC_URSTEN;
+	AT91C_BASE_RSTC->RSTC_RCR = (AT91C_RSTC_KEY & (0xA5 << 24)) |
+				    AT91C_RSTC_EXTRST;
+
+	/* Wait for end hardware reset */
+	while (!(AT91C_BASE_RSTC->RSTC_RSR & AT91C_RSTC_NRSTL));
+
+	/* Re-enable pull-up */
+	AT91C_BASE_PIOB->PIO_PPUER = AT91C_PB22_E_RXDV |
+				     AT91C_PB25_E_RX0 |
+				     AT91C_PB26_E_RX1;
+
+#ifdef CONFIG_RMII
+	gpio =	AT91C_PB30_E_MDIO |
+		AT91C_PB29_E_MDC  |
+		AT91C_PB21_E_TXCK |
+		AT91C_PB27_E_RXER |
+		AT91C_PB25_E_RX0  |
+		AT91C_PB22_E_RXDV |
+		AT91C_PB26_E_RX1  |
+		AT91C_PB28_E_TXEN |
+		AT91C_PB23_E_TX0  |
+		AT91C_PB24_E_TX1;
+	AT91C_BASE_PIOB->PIO_ASR = gpio;
+	AT91C_BASE_PIOB->PIO_BSR = 0;
+	AT91C_BASE_PIOB->PIO_PDR = gpio;
+#else
+#error AT91CAP9A-DK works only in RMII mode
+#endif
+
+	/* Unlock EMAC, 3 0 2 1 sequence */
+#define MP_MAC_KEY0	0x5969cb2a
+#define MP_MAC_KEY1	0xb4a1872e
+#define MP_MAC_KEY2	0x05683fbc
+#define MP_MAC_KEY3	0x3634fba4
+#define UNLOCK_MAC	0x00000008
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x3c)) = MP_MAC_KEY3;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x30)) = MP_MAC_KEY0;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x38)) = MP_MAC_KEY2;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x34)) = MP_MAC_KEY1;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x40)) = UNLOCK_MAC;
+}
+#endif
+
+#ifdef CONFIG_USB_OHCI_NEW
+static void at91cap9_uhp_hw_init(void)
+{
+	/* Unlock USB OHCI, 3 2 0 1 sequence */
+#define MP_OHCI_KEY0	0x896c11ca
+#define MP_OHCI_KEY1	0x68ebca21
+#define MP_OHCI_KEY2	0x4823efbc
+#define MP_OHCI_KEY3	0x8651aae4
+#define UNLOCK_OHCI	0x00000010
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x3c)) = MP_OHCI_KEY3;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x38)) = MP_OHCI_KEY2;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x30)) = MP_OHCI_KEY0;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x34)) = MP_OHCI_KEY1;
+	*((AT91_REG *)((AT91_REG) MP_BLOCK_3_BASE + 0x40)) = UNLOCK_OHCI;
+}
+#endif
+
+int board_init(void)
+{
+	/* Enable Ctrlc */
+	console_init_f();
+
+	/* arch number of AT91CAP9ADK-Board */
+	gd->bd->bi_arch_number = MACH_TYPE_AT91CAP9ADK;
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	at91cap9_serial_hw_init();
+	at91cap9_nor_hw_init();
+#ifdef CONFIG_CMD_NAND
+	at91cap9_nand_hw_init();
+#endif
+#ifdef CONFIG_HAS_DATAFLASH
+	at91cap9_spi_hw_init();
+#endif
+#ifdef CONFIG_MACB
+	at91cap9_macb_hw_init();
+#endif
+#ifdef CONFIG_USB_OHCI_NEW
+	at91cap9_uhp_hw_init();
+#endif
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+	return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+void reset_phy(void)
+{
+#ifdef CONFIG_MACB
+	/*
+	 * Initialize ethernet HW addr prior to starting Linux,
+	 * needed for nfsroot
+	 */
+	eth_init(gd->bd);
+#endif
+}
+#endif
diff --git a/board/at91cap9adk/config.mk b/board/at91cap9adk/config.mk
new file mode 100644
index 0000000000..e241aeea01
--- /dev/null
+++ b/board/at91cap9adk/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x73000000
diff --git a/board/at91cap9adk/led.c b/board/at91cap9adk/led.c
new file mode 100644
index 0000000000..8588a91a13
--- /dev/null
+++ b/board/at91cap9adk/led.c
@@ -0,0 +1,80 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop <at> leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.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/AT91CAP9.h>
+
+#define	RED_LED		AT91C_PIO_PC29	/* this is the power led */
+#define	GREEN_LED	AT91C_PIO_PA10	/* this is the user1 led */
+#define	YELLOW_LED	AT91C_PIO_PA11	/* this is the user1 led */
+
+void red_LED_on(void)
+{
+	AT91C_BASE_PIOC->PIO_SODR = RED_LED;
+}
+
+void red_LED_off(void)
+{
+	AT91C_BASE_PIOC->PIO_CODR = RED_LED;
+}
+
+void green_LED_on(void)
+{
+	AT91C_BASE_PIOA->PIO_CODR = GREEN_LED;
+}
+
+void green_LED_off(void)
+{
+	AT91C_BASE_PIOA->PIO_SODR = GREEN_LED;
+}
+
+void yellow_LED_on(void)
+{
+	AT91C_BASE_PIOA->PIO_CODR = YELLOW_LED;
+}
+
+void yellow_LED_off(void)
+{
+	AT91C_BASE_PIOA->PIO_SODR = YELLOW_LED;
+}
+
+void coloured_LED_init(void)
+{
+	/* Enable clock */
+	AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_PIOABCD;
+
+	/* Disable peripherals on LEDs */
+	AT91C_BASE_PIOA->PIO_PER = GREEN_LED | YELLOW_LED;
+	/* Enable pins as outputs */
+	AT91C_BASE_PIOA->PIO_OER = GREEN_LED | YELLOW_LED;
+	/* Turn all LEDs OFF */
+	AT91C_BASE_PIOA->PIO_SODR = GREEN_LED | YELLOW_LED;
+
+	/* Disable peripherals on LEDs */
+	AT91C_BASE_PIOC->PIO_PER = RED_LED;
+	/* Enable pins as outputs */
+	AT91C_BASE_PIOC->PIO_OER = RED_LED;
+	/* Turn all LEDs OFF */
+	AT91C_BASE_PIOC->PIO_CODR = RED_LED;
+}
diff --git a/board/at91cap9adk/nand.c b/board/at91cap9adk/nand.c
new file mode 100644
index 0000000000..2f02126278
--- /dev/null
+++ b/board/at91cap9adk/nand.c
@@ -0,0 +1,71 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian.pop <at> leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * (C) Copyright 2006 ATMEL Rousset, Lacressonniere Nicolas
+ *
+ * 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>
+
+#ifdef CONFIG_CMD_NAND
+
+#include <nand.h>
+
+/*
+ *	hardware specific access to control-lines
+ */
+#define	MASK_ALE	(1 << 21)	/* our ALE is AD21 */
+#define	MASK_CLE	(1 << 22)	/* our CLE is AD22 */
+
+static void at91cap9adk_nand_hwcontrol(struct mtd_info *mtd, int cmd)
+{
+	struct nand_chip *this = mtd->priv;
+	ulong IO_ADDR_W = (ulong) this->IO_ADDR_W;
+
+	IO_ADDR_W &= ~(MASK_ALE|MASK_CLE);
+	switch (cmd) {
+	case NAND_CTL_SETCLE:
+		IO_ADDR_W |= MASK_CLE;
+		break;
+	case NAND_CTL_SETALE:
+		IO_ADDR_W |= MASK_ALE;
+		break;
+	case NAND_CTL_CLRNCE:
+		AT91C_BASE_PIOD->PIO_SODR = AT91C_PIO_PD15;
+		break;
+	case NAND_CTL_SETNCE:
+		AT91C_BASE_PIOD->PIO_CODR = AT91C_PIO_PD15;
+		break;
+	}
+	this->IO_ADDR_W = (void *) IO_ADDR_W;
+}
+
+int board_nand_init(struct nand_chip *nand)
+{
+	nand->eccmode = NAND_ECC_SOFT;
+	nand->hwcontrol = at91cap9adk_nand_hwcontrol;
+	nand->chip_delay = 20;
+
+	return 0;
+}
+#endif
diff --git a/board/at91cap9adk/u-boot.lds b/board/at91cap9adk/u-boot.lds
new file mode 100644
index 0000000000..05a6d83d56
--- /dev/null
+++ b/board/at91cap9adk/u-boot.lds
@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj <at> denx.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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text :
+	{
+	  cpu/arm926ejs/start.o	(.text)
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data : { *(.data) }
+
+	. = ALIGN(4);
+	.got : { *(.got) }
+
+	. = .;
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = .;
+}