arm: at91: support for the Calao USB-A9263 board (based on AT91SAM9263)

Add support for USB-A9263 board manufactured by Calao Systems
(http://www.calao-systems.com/).
Code is based on old U-Boot sources (2010.09) released by Calao.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

4 files changed, 332 insertions, 0 deletions

diff --git a/board/calao/usb_a9263/Makefile b/board/calao/usb_a9263/Makefile
new file mode 100644
index 0000000000..8a22b3eac7
--- /dev/null
+++ b/board/calao/usb_a9263/Makefile
@@ -0,0 +1,14 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Stelian Pop <stelian@popies.net>
+# Lead Tech Design <www.leadtechdesign.com>
+#
+# (C) Copyright 2013
+# Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+
+obj-y	+= usb_a9263.o
diff --git a/board/calao/usb_a9263/usb_a9263.c b/board/calao/usb_a9263/usb_a9263.c
new file mode 100644
index 0000000000..266e9507ef
--- /dev/null
+++ b/board/calao/usb_a9263/usb_a9263.c
@@ -0,0 +1,148 @@
+/*
+ * (C) Copyright 2007-2013
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ * Thomas Petazzoni, Free Electrons, <thomas.petazzoni@free-electrons.com>
+ * Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_matrix.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/gpio.h>
+#include <asm-generic/gpio.h>
+#include <asm/io.h>
+#include <net.h>
+#include <netdev.h>
+#include <dataflash.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_HAS_DATAFLASH
+AT91S_DATAFLASH_INFO dataflash_info[CONFIG_SYS_MAX_DATAFLASH_BANKS];
+
+struct dataflash_addr cs[CONFIG_SYS_MAX_DATAFLASH_BANKS] = {
+	{CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0, 0},	/* Logical adress, CS */
+};
+
+/*define the area offsets*/
+dataflash_protect_t area_list[NB_DATAFLASH_AREA] = {
+	{0x00000000, 0x00001FFF, FLAG_PROTECT_SET, 0, "Bootstrap"},
+	{0x00002000, 0x00003FFF, FLAG_PROTECT_CLEAR, 0, "Environment"},
+	{0x00004000, 0xFFFFFFFF, FLAG_PROTECT_CLEAR, 0, "U-Boot"},
+};
+#endif
+
+#ifdef CONFIG_CMD_NAND
+static void usb_a9263_nand_hw_init(void)
+{
+	unsigned long csa;
+	at91_smc_t *smc = (at91_smc_t *)ATMEL_BASE_SMC0;
+	at91_matrix_t *matrix = (at91_matrix_t *)ATMEL_BASE_MATRIX;
+	at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
+
+	/* Enable CS3 */
+	csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
+	writel(csa, &matrix->csa[0]);
+
+	/* Configure SMC CS3 for NAND/SmartMedia */
+	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
+	       AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
+	       &smc->cs[3].setup);
+
+	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
+	       AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
+	       &smc->cs[3].pulse);
+
+	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
+	       &smc->cs[3].cycle);
+
+	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+	       AT91_SMC_MODE_EXNW_DISABLE |
+	       AT91_SMC_MODE_DBW_8 |
+	       AT91_SMC_MODE_TDF_CYCLE(2), &smc->cs[3].mode);
+
+	writel(1 << ATMEL_ID_PIOA | 1 << ATMEL_ID_PIOCDE, &pmc->pcer);
+
+	/* Configure RDY/BSY */
+	gpio_request(CONFIG_SYS_NAND_READY_PIN, "NAND ready/busy");
+	gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
+
+	/* Enable NandFlash */
+	gpio_request(CONFIG_SYS_NAND_ENABLE_PIN, "NAND enable");
+	gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
+}
+#endif
+
+#ifdef CONFIG_MACB
+static void usb_a9263_macb_hw_init(void)
+{
+	at91_pmc_t *pmc = (at91_pmc_t *)ATMEL_BASE_PMC;
+
+	/* Enable clock */
+	writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
+
+	/*
+	 * Disable pull-up on:
+	 *  RXDV (PC25) => PHY normal mode (not Test mode)
+	 *  ERX0 (PE25) => PHY ADDR0
+	 *  ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
+	 *
+	 * PHY has internal weak pull-up/pull-down
+	 */
+	gpio_request(GPIO_PIN_PC(25), "PHY mode");
+	gpio_direction_input(GPIO_PIN_PC(25));
+
+	gpio_request(GPIO_PIN_PE(25), "PHY ADDR0");
+	gpio_direction_input(GPIO_PIN_PE(25));
+
+	gpio_request(GPIO_PIN_PE(26), "PHY ADDR1");
+	gpio_direction_input(GPIO_PIN_PE(26));
+
+	at91_phy_reset();
+
+	/* It will set proper pinmux for ports PC25, PE25-26 */
+	at91_macb_hw_init();
+}
+#endif
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_CMD_NAND
+	usb_a9263_nand_hw_init();
+#endif
+#ifdef CONFIG_HAS_DATAFLASH
+	at91_spi0_hw_init(1 << 0);
+#endif
+#ifdef CONFIG_MACB
+	usb_a9263_macb_hw_init();
+#endif
+#ifdef CONFIG_USB_OHCI_NEW
+	at91_uhp_hw_init();
+#endif
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+				    CONFIG_SYS_SDRAM_SIZE);
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+
+#ifdef CONFIG_MACB
+	rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x0001);
+#endif
+	return rc;
+}
diff --git a/boards.cfg b/boards.cfg
index 1ed8f072c3..c97b41a18c 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -119,6 +119,7 @@ Active  arm         arm926ejs      at91        calao           tny_a9260
 Active  arm         arm926ejs      at91        calao           tny_a9260           tny_a9260_nandflash                  tny_a9260:AT91SAM9260,SYS_USE_NANDFLASH                                                                                           Albin Tonnerre <albin.tonnerre@free-electrons.com>
 Active  arm         arm926ejs      at91        calao           tny_a9260           tny_a9g20_eeprom                     tny_a9260:AT91SAM9G20,SYS_USE_EEPROM                                                                                              Albin Tonnerre <albin.tonnerre@free-electrons.com>
 Active  arm         arm926ejs      at91        calao           tny_a9260           tny_a9g20_nandflash                  tny_a9260:AT91SAM9G20,SYS_USE_NANDFLASH                                                                                           Albin Tonnerre <albin.tonnerre@free-electrons.com>
+Active  arm         arm926ejs      at91        calao           usb_a9263           usb_a9263_dataflash                  usb_a9263:AT91SAM9263,SYS_USE_DATAFLASH                                                                                           Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
 Active  arm         arm926ejs      at91        egnite          ethernut5           ethernut5                            ethernut5:AT91SAM9XE                                                                                                              egnite GmbH <info@egnite.de>
 Active  arm         arm926ejs      at91        emk             top9000             top9000eval_xe                       top9000:EVAL9000                                                                                                                  Reinhard Meyer <reinhard.meyer@emk-elektronik.de>
 Active  arm         arm926ejs      at91        emk             top9000             top9000su_xe                         top9000:SU9000                                                                                                                    Reinhard Meyer <reinhard.meyer@emk-elektronik.de>
diff --git a/include/configs/usb_a9263.h b/include/configs/usb_a9263.h
new file mode 100644
index 0000000000..c4d04dec38
--- /dev/null
+++ b/include/configs/usb_a9263.h
@@ -0,0 +1,169 @@
+/*
+ * (C) Copyright 2007-2013
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
+ * Lead Tech Design <www.leadtechdesign.com>
+ * Thomas Petazzoni, Free Electrons, <thomas.petazzoni@free-electrons.com>
+ * Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
+ *
+ * Settings for Calao USB-A9263 board
+ *
+ * U-Boot image has to be less than 200704 bytes, otherwise at91bootstrap
+ * installed on board will not be able to load it properly.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+#include <asm/hardware.h>
+
+/* ARM asynchronous clock */
+#define CONFIG_SYS_AT91_MAIN_CLOCK	12000000	/* 12 MHz crystal */
+#define CONFIG_SYS_AT91_SLOW_CLOCK	32768
+#define CONFIG_SYS_HZ			1000
+
+#define CONFIG_MACH_TYPE		MACH_TYPE_USB_A9263
+
+#define CONFIG_ARCH_CPU_INIT
+
+#define CONFIG_CMDLINE_TAG	/* enable passing of ATAGs      */
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+#define CONFIG_DISPLAY_CPUINFO
+
+#define CONFIG_OF_LIBFDT
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_SYS_TEXT_BASE		0x23f00000
+
+/*
+ * Hardware drivers
+ */
+#define CONFIG_AT91_GPIO
+
+/* serial console */
+#define CONFIG_ATMEL_USART
+#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
+#define CONFIG_USART_ID			ATMEL_ID_SYS
+#define CONFIG_BAUDRATE			115200
+
+#define CONFIG_BOOTDELAY 3
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+#undef CONFIG_CMD_BDI
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_IMI
+#undef CONFIG_CMD_IMLS
+#undef CONFIG_CMD_ITEST
+#undef CONFIG_CMD_LOADB
+#undef CONFIG_CMD_LOADS
+
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_NAND
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
+#define CONFIG_SYS_SDRAM_SIZE		0x04000000
+
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
+
+/* DataFlash */
+#define CONFIG_ATMEL_DATAFLASH_SPI
+#define CONFIG_HAS_DATAFLASH
+#define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
+#define CONFIG_SYS_MAX_DATAFLASH_BANKS		1
+#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000
+#define AT91_SPI_CLK				8000000
+#define DATAFLASH_TCSS				(0x1a << 16)
+#define DATAFLASH_TCHS				(0x1 << 24)
+
+/* no NOR flash */
+#define CONFIG_SYS_NO_FLASH
+
+/* NAND flash */
+#ifdef CONFIG_CMD_NAND
+#define CONFIG_NAND_ATMEL
+#define CONFIG_SYS_MAX_NAND_DEVICE		1
+#define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3
+/* our ALE is AD21 */
+#define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
+/* our CLE is AD22 */
+#define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
+#define CONFIG_SYS_NAND_ENABLE_PIN		GPIO_PIN_PD(15)
+#define CONFIG_SYS_NAND_READY_PIN		GPIO_PIN_PA(22)
+#endif
+
+#define MTDPARTS_DEFAULT \
+	"mtdparts=atmel_nand:16m(kernel)ro,120m(root1),-(root2)"
+
+/* Ethernet */
+#define CONFIG_MACB
+#define CONFIG_RMII
+#define CONFIG_NET_RETRY_COUNT			20
+#define CONFIG_AT91_WANTS_COMMON_PHY
+
+/* USB */
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_ATMEL
+#define CONFIG_USB_OHCI_NEW
+#define CONFIG_DOS_PARTITION
+#define CONFIG_SYS_USB_OHCI_CPU_INIT
+#define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00a00000
+#define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9263"
+#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
+#define CONFIG_USB_STORAGE
+#define CONFIG_CMD_FAT
+#endif
+
+#define CONFIG_SYS_LOAD_ADDR			0x22000000
+
+#define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
+#define CONFIG_SYS_MEMTEST_END			0x23e00000
+
+/* bootstrap + u-boot + env in dataflash on CS0 */
+#define CONFIG_ENV_IS_IN_DATAFLASH
+#define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x4000)
+#define CONFIG_ENV_OFFSET	0x2000
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \
+				 CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_SIZE		0x2000
+#define CONFIG_BOOTCOMMAND	"nboot 21000000 0"
+#define CONFIG_BOOTARGS		"console=ttyS0,115200 " \
+	"root=/dev/mtdblock1 " \
+	"mtdparts=" MTDPARTS_DEFAULT " " \
+	"rw rootfstype=jffs2"
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"mtdparts=" MTDPARTS_DEFAULT "\0" \
+
+#define CONFIG_SYS_PROMPT		"U-Boot> "
+#define CONFIG_SYS_CBSIZE		256
+#define CONFIG_SYS_MAXARGS		16
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					 sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_LONGHELP
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
+
+#endif