[PATCH] at91: Support for at91rm9200: core chip & board support
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Sun May 8 07:09:36 EDT 2011
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre at atmel.com>
Cc: Patrice Vilchez <patrice.vilchez at atmel.com>
---
arch/arm/Makefile | 1 +
arch/arm/boards/at91rm9200ek/Makefile | 1 +
arch/arm/boards/at91rm9200ek/config.h | 68 +++++
arch/arm/boards/at91rm9200ek/env/config | 41 +++
arch/arm/boards/at91rm9200ek/init.c | 77 ++++++
arch/arm/configs/at91rm9200ek_defconfig | 47 ++++
arch/arm/mach-at91/Kconfig | 27 ++
arch/arm/mach-at91/Makefile | 5 +-
arch/arm/mach-at91/at91rm9200.c | 245 ++++++++++++++++++
arch/arm/mach-at91/at91rm9200_devices.c | 276 ++++++++++++++++++++
arch/arm/mach-at91/at91rm9200_lowlevel_init.c | 146 +++++++++++
arch/arm/mach-at91/at91rm9200_time.c | 97 +++++++
arch/arm/mach-at91/at91sam926x_lowlevel_init.S | 278 +++++++++++++++++++++
arch/arm/mach-at91/include/mach/at91_st.h | 49 ++++
arch/arm/mach-at91/include/mach/at91_tc.h | 146 +++++++++++
arch/arm/mach-at91/include/mach/at91rm9200.h | 127 ++++++++++
arch/arm/mach-at91/include/mach/at91rm9200_emac.h | 138 ++++++++++
arch/arm/mach-at91/include/mach/at91rm9200_mc.h | 160 ++++++++++++
arch/arm/mach-at91/lowlevel_init.S | 278 ---------------------
19 files changed, 1928 insertions(+), 279 deletions(-)
create mode 100644 arch/arm/boards/at91rm9200ek/Makefile
create mode 100644 arch/arm/boards/at91rm9200ek/config.h
create mode 100644 arch/arm/boards/at91rm9200ek/env/config
create mode 100644 arch/arm/boards/at91rm9200ek/init.c
create mode 100644 arch/arm/configs/at91rm9200ek_defconfig
create mode 100644 arch/arm/mach-at91/at91rm9200.c
create mode 100644 arch/arm/mach-at91/at91rm9200_devices.c
create mode 100644 arch/arm/mach-at91/at91rm9200_lowlevel_init.c
create mode 100644 arch/arm/mach-at91/at91rm9200_time.c
create mode 100644 arch/arm/mach-at91/at91sam926x_lowlevel_init.S
create mode 100644 arch/arm/mach-at91/include/mach/at91_st.h
create mode 100644 arch/arm/mach-at91/include/mach/at91_tc.h
create mode 100644 arch/arm/mach-at91/include/mach/at91rm9200.h
create mode 100644 arch/arm/mach-at91/include/mach/at91rm9200_emac.h
create mode 100644 arch/arm/mach-at91/include/mach/at91rm9200_mc.h
delete mode 100644 arch/arm/mach-at91/lowlevel_init.S
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 108bd5e..5981616 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -57,6 +57,7 @@ machine-$(CONFIG_ARCH_VERSATILE) := versatile
# by CONFIG_* macro name.
board-$(CONFIG_MACH_A9M2410) := a9m2410
board-$(CONFIG_MACH_A9M2440) := a9m2440
+board-$(CONFIG_MACH_AT91RM9200EK) := at91rm9200ek
board-$(CONFIG_MACH_AT91SAM9260EK) := at91sam9260ek
board-$(CONFIG_MACH_AT91SAM9261EK) := at91sam9261ek
board-$(CONFIG_MACH_AT91SAM9263EK) := at91sam9263ek
diff --git a/arch/arm/boards/at91rm9200ek/Makefile b/arch/arm/boards/at91rm9200ek/Makefile
new file mode 100644
index 0000000..eb072c0
--- /dev/null
+++ b/arch/arm/boards/at91rm9200ek/Makefile
@@ -0,0 +1 @@
+obj-y += init.o
diff --git a/arch/arm/boards/at91rm9200ek/config.h b/arch/arm/boards/at91rm9200ek/config.h
new file mode 100644
index 0000000..b630a67
--- /dev/null
+++ b/arch/arm/boards/at91rm9200ek/config.h
@@ -0,0 +1,68 @@
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */
+
+#define MASTER_PLL_MUL 39
+#define MASTER_PLL_DIV 4
+
+/* clocks */
+#define CONFIG_SYS_MOR_VAL \
+ (AT91_PMC_MOSCEN | \
+ (255 << 8)) /* Main Oscillator Start-up Time */
+#define CONFIG_SYS_PLLAR_VAL \
+ (AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */ \
+ (0x3e << 8) | /* PLL Counter */ \
+ (0 << 14) | /* Divider A */ \
+ ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV))
+
+#define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
+/* PCK/2 = MCK Master Clock from SLOW */
+#define CONFIG_SYS_MCKR2_VAL1 \
+ (AT91_PMC_CSS_SLOW | \
+ AT91RM9200_PMC_MDIV_2) \
+
+/* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
+#define CONFIG_SYS_MCKR2_VAL2 \
+ (AT91_PMC_CSS_PLLA | \
+ AT91_PMC_PRES_1 | \
+ AT91RM9200_PMC_MDIV_3 |\
+ AT91_PMC_PDIV_1)
+
+/* flash */
+#define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
+#define CONFIG_SYS_SMC_CSR0_VAL \
+ (AT91_SMC_NWS_(4) | /* Number of Wait States */ \
+ AT91_SMC_WSEN | /* Wait State Enable */ \
+ AT91_SMC_TDF_(2) | /* Data Float Time */ \
+ AT91_SMC_BAT | /* Byte Access Type */ \
+ AT91_SMC_DBW_16) /* Data Bus Width */
+
+/* sdram */
+#define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
+#define CONFIG_SYS_PIOC_BSR_VAL 0x00000000
+#define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000
+#define CONFIG_SYS_EBI_CSA_VAL \
+ (AT91_EBI_CS0A_SMC | \
+ AT91_EBI_CS1A_SDRAMC | \
+ AT91_EBI_CS3A_SMC | \
+ AT91_EBI_CS4A_SMC) \
+
+/* SDRAM */
+/* SDRAMC_MR Mode register */
+/* SDRAMC_CR - Configuration register*/
+#define CONFIG_SYS_SDRC_CR_VAL \
+ (AT91_SDRAMC_NC_9 | \
+ AT91_SDRAMC_NR_12 | \
+ AT91_SDRAMC_NB_4 | \
+ AT91_SDRAMC_CAS_2 | \
+ (1 << 8) | /* Write Recovery Delay */ \
+ (12 << 12) | /* Row Cycle Delay */ \
+ (8 << 16) | /* Row Precharge Delay */ \
+ (8 << 20) | /* Row to Column Delay */ \
+ (1 << 24) | /* Active to Precharge Delay */ \
+ (2 << 28)) /* Exit Self Refresh to Active Delay */
+
+#define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
+
+#endif /* __CONFIG_H */
diff --git a/arch/arm/boards/at91rm9200ek/env/config b/arch/arm/boards/at91rm9200ek/env/config
new file mode 100644
index 0000000..1b56b25
--- /dev/null
+++ b/arch/arm/boards/at91rm9200ek/env/config
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# use 'dhcp' to do dhcp in barebox and in kernel
+# use 'none' if you want to skip kernel ip autoconfiguration
+ip=dhcp
+
+# or set your networking parameters here
+#eth0.ipaddr=a.b.c.d
+#eth0.netmask=a.b.c.d
+#eth0.gateway=a.b.c.d
+#eth0.serverip=a.b.c.d
+
+# can be either 'nfs', 'tftp' or 'nor'
+kernel_loc=tftp
+# can be either 'net', 'nor' or 'initrd'
+rootfs_loc=net
+
+# can be either 'jffs2' or 'ubifs'
+rootfs_type=ubifs
+rootfsimage=root.$rootfs_type
+
+# The image type of the kernel. Can be uimage, zimage, raw, or raw_lzo
+#kernelimage_type=zimage
+#kernelimage=zImage
+kernelimage_type=uimage
+kernelimage=uImage
+#kernelimage_type=raw
+#kernelimage=Image
+#kernelimage_type=raw_lzo
+#kernelimage=Image.lzo
+
+nor_parts="256k(barebox)ro,64k(bareboxenv),1536k(kernel),-(root)"
+rootfs_mtdblock_nor=3
+
+autoboot_timeout=3
+
+bootargs="console=ttyS0,115200"
+
+# set a fancy prompt (if support is compiled in)
+PS1="\e[1;31m[barebox@\h]:\w\e[0m\n# "
+
diff --git a/arch/arm/boards/at91rm9200ek/init.c b/arch/arm/boards/at91rm9200ek/init.c
new file mode 100644
index 0000000..a449326
--- /dev/null
+++ b/arch/arm/boards/at91rm9200ek/init.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD <plagnio at jcrosoft.com>
+ *
+ * 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 <net.h>
+#include <init.h>
+#include <environment.h>
+#include <asm/armlinux.h>
+#include <generated/mach-types.h>
+#include <partition.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <mach/at91_pmc.h>
+#include <mach/board.h>
+#include <mach/gpio.h>
+#include <mach/io.h>
+
+static struct device_d cfi_dev = {
+ .id = 0,
+ .name = "cfi_flash",
+ .map_base = AT91_CHIPSELECT_0,
+};
+
+static struct at91_ether_platform_data ether_pdata = {
+ .flags = AT91SAM_ETHER_RMII,
+ .phy_addr = 0,
+};
+
+static int at91rm9200ek_devices_init(void)
+{
+ /*
+ * Correct IRDA resistor problem
+ * Set PA23_TXD in Output
+ */
+ at91_set_gpio_output(AT91_PIN_PA23, 1);
+
+ at91_add_device_sdram(64 * 1024 * 1024);
+ at91_add_device_eth(ðer_pdata);
+ register_device(&cfi_dev);
+
+#if defined(CONFIG_DRIVER_CFI) || defined(CONFIG_DRIVER_CFI_OLD)
+ devfs_add_partition("nor0", 0x00000, 0x40000, PARTITION_FIXED, "self");
+ devfs_add_partition("nor0", 0x40000, 0x20000, PARTITION_FIXED, "env0");
+#endif
+
+ armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
+ armlinux_set_architecture(MACH_TYPE_AT91RM9200EK);
+
+ return 0;
+}
+device_initcall(at91rm9200ek_devices_init);
+
+static int at91rm9200ek_console_init(void)
+{
+ at91_register_uart(0, 0);
+ return 0;
+}
+console_initcall(at91rm9200ek_console_init);
diff --git a/arch/arm/configs/at91rm9200ek_defconfig b/arch/arm/configs/at91rm9200ek_defconfig
new file mode 100644
index 0000000..0c10f88
--- /dev/null
+++ b/arch/arm/configs/at91rm9200ek_defconfig
@@ -0,0 +1,47 @@
+CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
+CONFIG_PROMPT="9200-EK:"
+CONFIG_LONGHELP=y
+CONFIG_GLOB=y
+CONFIG_HUSH_FANCY_PROMPT=y
+CONFIG_CMDLINE_EDITING=y
+CONFIG_AUTO_COMPLETE=y
+CONFIG_MENU=y
+CONFIG_PARTITION=y
+CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
+CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/at91rm9200ek/env"
+CONFIG_CMD_EDIT=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_LOADENV=y
+CONFIG_CMD_EXPORT=y
+CONFIG_CMD_PRINTENV=y
+CONFIG_CMD_READLINE=y
+CONFIG_CMD_MENU=y
+CONFIG_CMD_MENU_MANAGEMENT=y
+CONFIG_CMD_PASSWD=y
+CONFIG_CMD_ECHO_E=y
+CONFIG_CMD_LOADB=y
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_MTEST=y
+CONFIG_CMD_MTEST_ALTERNATIVE=y
+CONFIG_CMD_FLASH=y
+CONFIG_CMD_BOOTM_ZLIB=y
+CONFIG_CMD_BOOTM_BZLIB=y
+CONFIG_CMD_BOOTM_SHOW_TYPE=y
+CONFIG_CMD_RESET=y
+CONFIG_CMD_GO=y
+CONFIG_CMD_TIMEOUT=y
+CONFIG_CMD_PARTITION=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_UNLZO=y
+# CONFIG_SPI is not set
+CONFIG_DRIVER_CFI=y
+# CONFIG_DRIVER_CFI_INTEL is not set
+# CONFIG_DRIVER_CFI_BANK_WIDTH_1 is not set
+# CONFIG_DRIVER_CFI_BANK_WIDTH_4 is not set
+CONFIG_CFI_BUFFER_WRITE=y
+CONFIG_MTD=y
+CONFIG_UBI=y
+CONFIG_FS_CRAMFS=y
+CONFIG_SHA1=y
+CONFIG_SHA256=y
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index bf6ad7e..82d593a 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -6,6 +6,7 @@ config ARCH_TEXT_BASE
default 0x23f00000
config BOARDINFO
+ default "Atmel at91rm9200-ek" if MACH_AT91RM9200EK
default "Atmel 91SAM9260-EK" if MACH_AT91SAM9260EK
default "Atmel at91sam9261-ek" if MACH_AT91SAM9261EK
default "Atmel at91sam9263-ek" if MACH_AT91SAM9263EK
@@ -25,6 +26,14 @@ comment "Atmel AT91 System-on-Chip"
choice
prompt "Atmel AT91 Processor"
+config ARCH_AT91RM9200
+ bool "AT91RM9200"
+ select CPU_ARM920T
+ select HAS_AT91_ETHER
+ select ARCH_HAS_LOWLEVEL_INIT
+ select MACH_HAS_LOWLEVEL_INIT
+ select MACH_DO_LOWLEVEL_INIT
+
config ARCH_AT91SAM9260
bool "AT91SAM9260"
select CPU_ARM926T
@@ -57,6 +66,24 @@ endchoice
# ----------------------------------------------------------
+if ARCH_AT91RM9200
+
+choice
+
+ prompt "AT91RM9200 Board Type"
+
+config MACH_AT91RM9200EK
+ bool "Atmel AT91RM9200-EK Evaluation Kit"
+ help
+ Select this if you are using Atmel's AT91RM9200-EK Evaluation Kit.
+ <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3507>
+
+endchoice
+
+endif
+
+# ----------------------------------------------------------
+
if ARCH_AT91SAM9260
choice
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index d57c8f5..e72f409 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -1,8 +1,11 @@
obj-y += clock.o gpio.o
-obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
+lowlevel_init-y = at91sam926x_lowlevel_init.o
+lowlevel_init-$(CONFIG_ARCH_AT91RM9200) = at91rm9200_lowlevel_init.o
+obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y)
# CPU-specific support
+obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o
obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o
obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o
obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
new file mode 100644
index 0000000..6baf1a7
--- /dev/null
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -0,0 +1,245 @@
+#include <common.h>
+#include <gpio.h>
+#include <init.h>
+#include <asm/hardware.h>
+#include <mach/at91_pmc.h>
+
+#include "clock.h"
+#include "generic.h"
+
+/* --------------------------------------------------------------------
+ * Clocks
+ * -------------------------------------------------------------------- */
+
+/*
+ * The peripheral clocks.
+ */
+static struct clk udc_clk = {
+ .name = "udc_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_UDP,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk ohci_clk = {
+ .name = "ohci_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_UHP,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk ether_clk = {
+ .name = "ether_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_EMAC,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk mmc_clk = {
+ .name = "mci_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_MCI,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk twi_clk = {
+ .name = "twi_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_TWI,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart0_clk = {
+ .name = "usart0_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_US0,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart1_clk = {
+ .name = "usart1_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_US1,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart2_clk = {
+ .name = "usart2_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_US2,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk usart3_clk = {
+ .name = "usart3_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_US3,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk spi_clk = {
+ .name = "spi_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_SPI,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioA_clk = {
+ .name = "pioA_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_PIOA,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioB_clk = {
+ .name = "pioB_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_PIOB,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioC_clk = {
+ .name = "pioC_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_PIOC,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk pioD_clk = {
+ .name = "pioD_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_PIOD,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk ssc0_clk = {
+ .name = "ssc0_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_SSC0,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk ssc1_clk = {
+ .name = "ssc1_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_SSC1,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk ssc2_clk = {
+ .name = "ssc2_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_SSC2,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk tc0_clk = {
+ .name = "tc0_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_TC0,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk tc1_clk = {
+ .name = "tc1_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_TC1,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk tc2_clk = {
+ .name = "tc2_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_TC2,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk tc3_clk = {
+ .name = "tc3_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_TC3,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk tc4_clk = {
+ .name = "tc4_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_TC4,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+static struct clk tc5_clk = {
+ .name = "tc5_clk",
+ .pmc_mask = 1 << AT91RM9200_ID_TC5,
+ .type = CLK_TYPE_PERIPHERAL,
+};
+
+static struct clk *periph_clocks[] __initdata = {
+ &pioA_clk,
+ &pioB_clk,
+ &pioC_clk,
+ &pioD_clk,
+ &usart0_clk,
+ &usart1_clk,
+ &usart2_clk,
+ &usart3_clk,
+ &mmc_clk,
+ &udc_clk,
+ &twi_clk,
+ &spi_clk,
+ &ssc0_clk,
+ &ssc1_clk,
+ &ssc2_clk,
+ &tc0_clk,
+ &tc1_clk,
+ &tc2_clk,
+ &tc3_clk,
+ &tc4_clk,
+ &tc5_clk,
+ &ohci_clk,
+ ðer_clk,
+ // irq0 .. irq6
+};
+
+/*
+ * The four programmable clocks.
+ * You must configure pin multiplexing to bring these signals out.
+ */
+static struct clk pck0 = {
+ .name = "pck0",
+ .pmc_mask = AT91_PMC_PCK0,
+ .type = CLK_TYPE_PROGRAMMABLE,
+ .id = 0,
+};
+static struct clk pck1 = {
+ .name = "pck1",
+ .pmc_mask = AT91_PMC_PCK1,
+ .type = CLK_TYPE_PROGRAMMABLE,
+ .id = 1,
+};
+static struct clk pck2 = {
+ .name = "pck2",
+ .pmc_mask = AT91_PMC_PCK2,
+ .type = CLK_TYPE_PROGRAMMABLE,
+ .id = 2,
+};
+static struct clk pck3 = {
+ .name = "pck3",
+ .pmc_mask = AT91_PMC_PCK3,
+ .type = CLK_TYPE_PROGRAMMABLE,
+ .id = 3,
+};
+
+static void __init at91rm9200_register_clocks(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
+ clk_register(periph_clocks[i]);
+
+ clk_register(&pck0);
+ clk_register(&pck1);
+ clk_register(&pck2);
+ clk_register(&pck3);
+}
+
+/* --------------------------------------------------------------------
+ * GPIO
+ * -------------------------------------------------------------------- */
+
+static struct at91_gpio_bank at91rm9200_gpio[] = {
+ {
+ .id = AT91RM9200_ID_PIOA,
+ .offset = AT91_PIOA,
+ .clock = &pioA_clk,
+ }, {
+ .id = AT91RM9200_ID_PIOB,
+ .offset = AT91_PIOB,
+ .clock = &pioB_clk,
+ }, {
+ .id = AT91RM9200_ID_PIOC,
+ .offset = AT91_PIOC,
+ .clock = &pioC_clk,
+ }, {
+ .id = AT91RM9200_ID_PIOD,
+ .offset = AT91_PIOD,
+ .clock = &pioD_clk,
+ }
+};
+
+
+/* --------------------------------------------------------------------
+ * AT91RM9200 processor initialization
+ * -------------------------------------------------------------------- */
+static int __init at91rm9200_initialize(void)
+{
+
+ /* Init clock subsystem */
+ at91_clock_init(AT91_MAIN_CLOCK);
+
+ /* Register the processor-specific clocks */
+ at91rm9200_register_clocks();
+
+ /* Initialize GPIO subsystem */
+ at91_gpio_init(at91rm9200_gpio, ARRAY_SIZE(at91rm9200_gpio));
+
+ return 0;
+}
+
+core_initcall(at91rm9200_initialize);
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
new file mode 100644
index 0000000..f45008a
--- /dev/null
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -0,0 +1,276 @@
+/*
+ * arch/arm/mach-at91/at91rm9200_devices.c
+ *
+ * Copyright (C) 2005 Thibaut VARENE <varenet at parisc-linux.org>
+ * Copyright (C) 2005 David Brownell
+ *
+ * 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.
+ *
+ */
+#include <common.h>
+#include <asm/armlinux.h>
+#include <mach/hardware.h>
+#include <mach/at91rm9200.h>
+#include <mach/board.h>
+#include <mach/gpio.h>
+#include <mach/io.h>
+
+#include "generic.h"
+
+static struct memory_platform_data ram_pdata = {
+ .name = "ram0",
+ .flags = DEVFS_RDWR,
+};
+
+static struct device_d sdram_dev = {
+ .id = -1,
+ .name = "mem",
+ .map_base = AT91_CHIPSELECT_1,
+ .platform_data = &ram_pdata,
+};
+
+void at91_add_device_sdram(u32 size)
+{
+ sdram_dev.size = size;
+ register_device(&sdram_dev);
+ armlinux_add_dram(&sdram_dev);
+}
+
+/* --------------------------------------------------------------------
+ * Ethernet
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_DRIVER_NET_AT91_ETHER)
+static struct device_d at91rm9200_eth_device = {
+ .id = 0,
+ .name = "at91_ether",
+ .map_base = AT91_VA_BASE_EMAC,
+ .size = 0x1000,
+};
+
+void __init at91_add_device_eth(struct at91_ether_platform_data *data)
+{
+ if (!data)
+ return;
+
+ /* Pins used for MII and RMII */
+ at91_set_A_periph(AT91_PIN_PA16, 0); /* EMDIO */
+ at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */
+ at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */
+ at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */
+ at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */
+ at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */
+ at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */
+ at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */
+ at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */
+ at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */
+
+ if (!(data->flags & AT91SAM_ETHER_RMII)) {
+ at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */
+ at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */
+ at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */
+ at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */
+ at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */
+ at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */
+ at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */
+ at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */
+ }
+
+ at91rm9200_eth_device.platform_data = data;
+ register_device(&at91rm9200_eth_device);
+}
+#else
+void __init at91_add_device_eth(struct at91_ether_platform_data *data) {}
+#endif
+
+/* --------------------------------------------------------------------
+ * NAND / SmartMedia
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_NAND_ATMEL)
+static struct device_d at91rm9200_nand_device = {
+ .id = -1,
+ .name = "atmel_nand",
+ .map_base = AT91_CHIPSELECT_3,
+ .size = 0x10,
+};
+
+void __init at91_add_device_nand(struct atmel_nand_data *data)
+{
+ unsigned int csa;
+
+ if (!data)
+ return;
+
+ /* enable the address range of CS3 */
+ csa = at91_sys_read(AT91_EBI_CSA);
+ at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS3A_SMC_SMARTMEDIA);
+
+ /* set the bus interface characteristics */
+ at91_sys_write(AT91_SMC_CSR(3), AT91_SMC_ACSS_STD | AT91_SMC_DBW_8 | AT91_SMC_WSEN
+ | AT91_SMC_NWS_(5)
+ | AT91_SMC_TDF_(1)
+ | AT91_SMC_RWSETUP_(0) /* tDS Data Set up Time 30 - ns */
+ | AT91_SMC_RWHOLD_(1) /* tDH Data Hold Time 20 - ns */
+ );
+
+ /* enable pin */
+ if (data->enable_pin)
+ at91_set_gpio_output(data->enable_pin, 1);
+
+ /* ready/busy pin */
+ if (data->rdy_pin)
+ at91_set_gpio_input(data->rdy_pin, 1);
+
+ /* card detect pin */
+ if (data->det_pin)
+ at91_set_gpio_input(data->det_pin, 1);
+
+ at91_set_A_periph(AT91_PIN_PC1, 0); /* SMOE */
+ at91_set_A_periph(AT91_PIN_PC3, 0); /* SMWE */
+
+ at91rm9200_nand_device.platform_data = data;
+ platform_device_register(&at91rm9200_nand_device);
+}
+#else
+void __init at91_add_device_nand(struct atmel_nand_data *data) {}
+#endif
+
+/* --------------------------------------------------------------------
+ * UART
+ * -------------------------------------------------------------------- */
+
+static struct device_d dbgu_serial_device = {
+ .id = 0,
+ .name = "atmel_serial",
+ .map_base = (AT91_BASE_SYS + AT91_DBGU),
+ .size = 4096,
+};
+
+static inline void configure_dbgu_pins(void)
+{
+ at91_set_A_periph(AT91_PIN_PA30, 0); /* DRXD */
+ at91_set_A_periph(AT91_PIN_PA31, 1); /* DTXD */
+}
+
+static struct device_d uart0_serial_device = {
+ .id = 1,
+ .name = "atmel_serial",
+ .map_base = AT91RM9200_BASE_US0,
+ .size = 4096,
+};
+
+static inline void configure_usart0_pins(unsigned pins)
+{
+ at91_set_A_periph(AT91_PIN_PA17, 1); /* TXD0 */
+ at91_set_A_periph(AT91_PIN_PA18, 0); /* RXD0 */
+
+ if (pins & ATMEL_UART_CTS)
+ at91_set_A_periph(AT91_PIN_PA20, 0); /* CTS0 */
+
+ if (pins & ATMEL_UART_RTS) {
+ /*
+ * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21.
+ * We need to drive the pin manually. Default is off (RTS is active low).
+ */
+ at91_set_gpio_output(AT91_PIN_PA21, 1);
+ }
+}
+
+static struct device_d uart1_serial_device = {
+ .id = 2,
+ .name = "atmel_serial",
+ .map_base = AT91RM9200_BASE_US1,
+ .size = 4096,
+};
+
+static inline void configure_usart1_pins(unsigned pins)
+{
+ at91_set_A_periph(AT91_PIN_PB20, 1); /* TXD1 */
+ at91_set_A_periph(AT91_PIN_PB21, 0); /* RXD1 */
+
+ if (pins & ATMEL_UART_RI)
+ at91_set_A_periph(AT91_PIN_PB18, 0); /* RI1 */
+ if (pins & ATMEL_UART_DTR)
+ at91_set_A_periph(AT91_PIN_PB19, 0); /* DTR1 */
+ if (pins & ATMEL_UART_DCD)
+ at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD1 */
+ if (pins & ATMEL_UART_CTS)
+ at91_set_A_periph(AT91_PIN_PB24, 0); /* CTS1 */
+ if (pins & ATMEL_UART_DSR)
+ at91_set_A_periph(AT91_PIN_PB25, 0); /* DSR1 */
+ if (pins & ATMEL_UART_RTS)
+ at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS1 */
+}
+
+static struct device_d uart2_serial_device = {
+ .id = 3,
+ .name = "atmel_serial",
+ .map_base = AT91RM9200_BASE_US2,
+ .size = 4096,
+};
+
+static inline void configure_usart2_pins(unsigned pins)
+{
+ at91_set_A_periph(AT91_PIN_PA22, 0); /* RXD2 */
+ at91_set_A_periph(AT91_PIN_PA23, 1); /* TXD2 */
+
+ if (pins & ATMEL_UART_CTS)
+ at91_set_B_periph(AT91_PIN_PA30, 0); /* CTS2 */
+ if (pins & ATMEL_UART_RTS)
+ at91_set_B_periph(AT91_PIN_PA31, 0); /* RTS2 */
+}
+
+static struct device_d uart3_serial_device = {
+ .id = 4,
+ .name = "atmel_serial",
+ .map_base = AT91RM9200_BASE_US3,
+ .size = 4096,
+};
+
+static inline void configure_usart3_pins(unsigned pins)
+{
+ at91_set_B_periph(AT91_PIN_PA5, 1); /* TXD3 */
+ at91_set_B_periph(AT91_PIN_PA6, 0); /* RXD3 */
+
+ if (pins & ATMEL_UART_CTS)
+ at91_set_B_periph(AT91_PIN_PB1, 0); /* CTS3 */
+ if (pins & ATMEL_UART_RTS)
+ at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS3 */
+}
+
+void __init at91_register_uart(unsigned id, unsigned pins)
+{
+ switch (id) {
+ case 0: /* DBGU */
+ configure_dbgu_pins();
+ at91_clock_associate("mck", &dbgu_serial_device, "usart");
+ register_device(&dbgu_serial_device);
+ break;
+ case AT91RM9200_ID_US0:
+ configure_usart0_pins(pins);
+ at91_clock_associate("usart0_clk", &uart0_serial_device, "usart");
+ break;
+ case AT91RM9200_ID_US1:
+ configure_usart1_pins(pins);
+ at91_clock_associate("usart1_clk", &uart1_serial_device, "usart");
+ register_device(&uart1_serial_device);
+ break;
+ case AT91RM9200_ID_US2:
+ configure_usart2_pins(pins);
+ at91_clock_associate("usart2_clk", &uart2_serial_device, "usart");
+ register_device(&uart2_serial_device);
+ break;
+ case AT91RM9200_ID_US3:
+ configure_usart3_pins(pins);
+ at91_clock_associate("usart3_clk", &uart3_serial_device, "usart");
+ register_device(&uart3_serial_device);
+ break;
+ default:
+ return;
+ }
+
+}
diff --git a/arch/arm/mach-at91/at91rm9200_lowlevel_init.c b/arch/arm/mach-at91/at91rm9200_lowlevel_init.c
new file mode 100644
index 0000000..8d9ae08
--- /dev/null
+++ b/arch/arm/mach-at91/at91rm9200_lowlevel_init.c
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
+ *
+ * Under GPLv2
+ */
+
+#include <common.h>
+#include <asm/system.h>
+#include <asm/barebox-arm.h>
+#include <mach/hardware.h>
+#include <mach/at91rm9200.h>
+#include <mach/at91rm9200_mc.h>
+#include <mach/at91_pio.h>
+#include <mach/at91_pmc.h>
+#include <mach/io.h>
+#include <init.h>
+
+void static inline access_sdram(void)
+{
+ writel(0x00000000, AT91_SDRAM_BASE);
+}
+
+void __naked __bare_init arch_init_lowlevel(void)
+{
+ /*
+ * relocate exception table
+ */
+ __asm__ __volatile__ (
+" ldr r0, =exception_vectors\n"
+" ldr r1, =0x0\n"
+" mov r2, #16\n"
+"loopev:\n"
+" subs r2, r2, #1\n"
+" ldr r3, [r0], #4\n"
+" str r3, [r1], #4\n"
+" bne loopev\n"
+" mov pc, lr\n"
+);
+}
+
+void __naked __bare_init board_init_lowlevel(void)
+{
+ u32 r;
+ int i;
+
+ /*
+ * PMC Check if the PLL is already initialized
+ */
+ r = at91_sys_read(AT91_PMC_MCKR);
+ if (r & AT91_PMC_CSS)
+ goto end;
+
+ /*
+ * Enable the Main Oscillator
+ */
+ at91_sys_write(AT91_CKGR_MOR, CONFIG_SYS_MOR_VAL);
+
+ do {
+ r = at91_sys_read(AT91_PMC_SR);
+ } while (!(r & AT91_PMC_MOSCS));
+
+ /*
+ * EBI_CFGR
+ */
+ at91_sys_write(AT91_EBI_CFGR, CONFIG_SYS_EBI_CFGR_VAL);
+
+ /*
+ * SMC2_CSR[0]: 16bit, 2 TDF, 4 WS
+ */
+ at91_sys_write(AT91_SMC_CSR(0), CONFIG_SYS_SMC_CSR0_VAL);
+
+ /*
+ * Init Clocks
+ */
+
+ /*
+ * PLLAR: x MHz for PCK
+ */
+ at91_sys_write(AT91_CKGR_PLLAR, CONFIG_SYS_PLLAR_VAL);
+
+ do {
+ r = at91_sys_read(AT91_PMC_SR);
+ } while (!(r & AT91_PMC_LOCKA));
+
+ /*
+ * PCK/x = MCK Master Clock from SLOW
+ */
+ at91_sys_write(AT91_PMC_MCKR, CONFIG_SYS_MCKR2_VAL1);
+
+ /*
+ * PCK/x = MCK Master Clock from PLLA
+ */
+ at91_sys_write(AT91_PMC_MCKR, CONFIG_SYS_MCKR2_VAL2);
+
+ do {
+ r = at91_sys_read(AT91_PMC_SR);
+ } while (!(r & AT91_PMC_MCKRDY));
+
+ /*
+ * Init SDRAM
+ */
+
+ /* PIOC_ASR: Configure PIOC as peripheral (D16/D31) */
+ at91_sys_write(AT91_PIOC + PIO_ASR, CONFIG_SYS_PIOC_ASR_VAL);
+ /* PIOC_BSR */
+ at91_sys_write(AT91_PIOC + PIO_BSR, CONFIG_SYS_PIOC_BSR_VAL);
+ /* PIOC_PDR */
+ at91_sys_write(AT91_PIOC + PIO_PDR, CONFIG_SYS_PIOC_PDR_VAL);
+
+ /* EBI_CSA : CS1=SDRAM */
+ at91_sys_write(AT91_EBI_CSA, CONFIG_SYS_EBI_CSA_VAL);
+
+ /* SDRC_CR */
+ at91_sys_write(AT91_SDRAMC_CR, CONFIG_SYS_SDRC_CR_VAL);
+ /* SDRC_MR : Precharge All */
+ at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_PRECHARGE);
+ /* access SDRAM */
+ access_sdram();
+ /* SDRC_MR : refresh */
+ at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_REFRESH);
+
+ /* access SDRAM 8 times */
+ for (i = 0; i < 8; i++)
+ access_sdram();
+
+ /* SDRC_MR : Load Mode Register */
+ at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_LMR);
+ /* access SDRAM */
+ access_sdram();
+ /* SDRC_TR : Write refresh rate */
+ at91_sys_write(AT91_SDRAMC_TR, CONFIG_SYS_SDRC_TR_VAL);
+ /* access SDRAM */
+ access_sdram();
+ /* SDRC_MR : Normal Mode */
+ at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_NORMAL);
+ /* access SDRAM */
+ access_sdram();
+
+ /* switch from FastBus to Asynchronous clock mode */
+ r = get_cr();
+ r |= 0xC0000000; /* set bit 31 (iA) and 30 (nF) */
+ set_cr(r);
+
+end:
+ board_init_lowlevel_return();
+}
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
new file mode 100644
index 0000000..92b9e66
--- /dev/null
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -0,0 +1,97 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger at sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu at sysgo.de>
+ *
+ * (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
+ */
+
+#include <common.h>
+#include <init.h>
+#include <clock.h>
+#include <mach/hardware.h>
+#include <mach/at91_tc.h>
+#include <mach/at91_st.h>
+#include <mach/at91_pmc.h>
+#include <mach/io.h>
+#include <asm/io.h>
+
+/*
+ * The ST_CRTR is updated asynchronously to the master clock ... but
+ * the updates as seen by the CPU don't seem to be strictly monotonic.
+ * Waiting until we read the same value twice avoids glitching.
+ */
+uint64_t at91rm9200_clocksource_read(void)
+{
+ unsigned long x1, x2;
+
+ x1 = at91_sys_read(AT91_ST_CRTR);
+ do {
+ x2 = at91_sys_read(AT91_ST_CRTR);
+ if (x1 == x2)
+ break;
+ x1 = x2;
+ } while (1);
+ return x1;
+}
+
+static struct clocksource cs = {
+ .mask = CLOCKSOURCE_MASK(20),
+ .read = at91rm9200_clocksource_read,
+ .shift = 10,
+};
+
+static int clocksource_init (void)
+{
+ /* The 32KiHz "Slow Clock" (tick every 30517.58 nanoseconds) is used
+ * directly for the clocksource and all clockevents, after adjusting
+ * its prescaler from the 1 Hz default.
+ */
+ at91_sys_write(AT91_ST_RTMR, 1);
+
+ cs.mult = clocksource_hz2mult(AT91_SLOW_CLOCK, cs.shift);
+
+ init_clock(&cs);
+
+ return 0;
+}
+core_initcall(clocksource_init);
+
+/*
+ * Reset the cpu through the reset controller
+ */
+void __noreturn reset_cpu (unsigned long ignored)
+{
+ /*
+ * Perform a hardware reset with the use of the Watchdog timer.
+ */
+ at91_sys_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
+ at91_sys_write(AT91_ST_CR, AT91_ST_WDRST);
+
+ /* Not reached */
+ while (1);
+}
+EXPORT_SYMBOL(reset_cpu);
diff --git a/arch/arm/mach-at91/at91sam926x_lowlevel_init.S b/arch/arm/mach-at91/at91sam926x_lowlevel_init.S
new file mode 100644
index 0000000..805b201
--- /dev/null
+++ b/arch/arm/mach-at91/at91sam926x_lowlevel_init.S
@@ -0,0 +1,278 @@
+/*
+ * Memory Setup stuff - taken from blob memsetup.S
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw at its.tudelft.nl) and
+ * Jan-Derk Bakker (J.D.Bakker at its.tudelft.nl)
+ *
+ * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
+ * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.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 <config.h>
+#include <mach/hardware.h>
+#include <mach/at91_pmc.h>
+#include <mach/at91_pio.h>
+#include <mach/at91_rstc.h>
+#include <mach/at91_wdt.h>
+#include <mach/at91sam9_matrix.h>
+#include <mach/at91sam9_sdramc.h>
+#include <mach/at91sam9_smc.h>
+
+_TEXT_BASE:
+ .word TEXT_BASE
+
+.globl board_init_lowlevel
+.type board_init_lowlevel,function
+board_init_lowlevel:
+
+ mov r5, pc /* r5 = POS1 + 4 current */
+POS1:
+ ldr r0, =POS1 /* r0 = POS1 compile */
+ ldr r2, _TEXT_BASE
+ sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */
+ sub r5, r5, r0 /* r0 = TEXT_BASE-1 */
+ sub r5, r5, #4 /* r1 = text base - current */
+
+ /* memory control configuration 1 */
+ ldr r0, =SMRDATA
+ ldr r2, =SMRDATA1
+ ldr r1, _TEXT_BASE
+ sub r0, r0, r1
+ sub r2, r2, r1
+ add r0, r0, r5
+ add r2, r2, r5
+0:
+ /* the address */
+ ldr r1, [r0], #4
+ /* the value */
+ ldr r3, [r0], #4
+ str r3, [r1]
+ cmp r2, r0
+ bne 0b
+
+/* ----------------------------------------------------------------------------
+ * PMC Init Step 1.
+ * ----------------------------------------------------------------------------
+ * - Check if the PLL is already initialized
+ * ----------------------------------------------------------------------------
+ */
+ ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR)
+ ldr r0, [r1]
+ and r0, r0, #3
+ cmp r0, #0
+ bne PLL_setup_end
+
+/* ---------------------------------------------------------------------------
+ * - Enable the Main Oscillator
+ * ---------------------------------------------------------------------------
+ */
+ ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR)
+ ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR)
+ /* Main oscillator Enable register PMC_MOR: */
+ ldr r0, =CONFIG_SYS_MOR_VAL
+ str r0, [r1]
+
+ /* Reading the PMC Status to detect when the Main Oscillator is enabled */
+ mov r4, #AT91_PMC_MOSCS
+MOSCS_Loop:
+ ldr r3, [r2]
+ and r3, r4, r3
+ cmp r3, #AT91_PMC_MOSCS
+ bne MOSCS_Loop
+
+/* ----------------------------------------------------------------------------
+ * PMC Init Step 2.
+ * ----------------------------------------------------------------------------
+ * Setup PLLA
+ * ----------------------------------------------------------------------------
+ */
+ ldr r1, =(AT91_BASE_SYS + AT91_CKGR_PLLAR)
+ ldr r0, =CONFIG_SYS_PLLAR_VAL
+ str r0, [r1]
+
+ /* Reading the PMC Status register to detect when the PLLA is locked */
+ mov r4, #AT91_PMC_LOCKA
+MOSCS_Loop1:
+ ldr r3, [r2]
+ and r3, r4, r3
+ cmp r3, #AT91_PMC_LOCKA
+ bne MOSCS_Loop1
+
+/* ----------------------------------------------------------------------------
+ * PMC Init Step 3.
+ * ----------------------------------------------------------------------------
+ * - Switch on the Main Oscillator
+ * ----------------------------------------------------------------------------
+ */
+ ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR)
+
+ /* -Master Clock Controller register PMC_MCKR */
+ ldr r0, =CONFIG_SYS_MCKR1_VAL
+ str r0, [r1]
+
+ /* Reading the PMC Status to detect when the Master clock is ready */
+ mov r4, #AT91_PMC_MCKRDY
+MCKRDY_Loop:
+ ldr r3, [r2]
+ and r3, r4, r3
+ cmp r3, #AT91_PMC_MCKRDY
+ bne MCKRDY_Loop
+
+ ldr r0, =CONFIG_SYS_MCKR2_VAL
+ str r0, [r1]
+
+ /* Reading the PMC Status to detect when the Master clock is ready */
+ mov r4, #AT91_PMC_MCKRDY
+MCKRDY_Loop1:
+ ldr r3, [r2]
+ and r3, r4, r3
+ cmp r3, #AT91_PMC_MCKRDY
+ bne MCKRDY_Loop1
+
+PLL_setup_end:
+
+/* ----------------------------------------------------------------------------
+ * - memory control configuration 2
+ * ----------------------------------------------------------------------------
+ */
+ ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR)
+ ldr r1, [r0]
+ cmp r1, #0
+ bne SDRAM_setup_end
+
+ ldr r0, =SMRDATA1
+ ldr r2, =SMRDATA2
+ ldr r1, _TEXT_BASE
+ sub r0, r0, r1
+ sub r2, r2, r1
+ add r0, r0, r5
+ add r2, r2, r5
+
+2:
+ /* the address */
+ ldr r1, [r0], #4
+ /* the value */
+ ldr r3, [r0], #4
+ str r3, [r1]
+ cmp r2, r0
+ bne 2b
+
+SDRAM_setup_end:
+ /* everything is fine now */
+ mov pc, lr
+
+ .ltorg
+
+SMRDATA:
+ .word (AT91_BASE_SYS + AT91_WDT_MR)
+ .word CONFIG_SYS_WDTC_WDMR_VAL
+
+ /* configure PIOx as EBI0 D[16-31] */
+#if defined(CONFIG_ARCH_AT91SAM9263)
+ .word (AT91_BASE_SYS + AT91_PIOD + PIO_PDR)
+ .word CONFIG_SYS_PIOD_PDR_VAL1
+ .word (AT91_BASE_SYS + AT91_PIOD + PIO_PUDR)
+ .word CONFIG_SYS_PIOD_PPUDR_VAL
+ .word (AT91_BASE_SYS + AT91_PIOD + PIO_ASR)
+ .word CONFIG_SYS_PIOD_PPUDR_VAL
+#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9261) \
+ || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91SAM9G10)
+ .word (AT91_BASE_SYS + AT91_PIOC + PIO_PDR)
+ .word CONFIG_SYS_PIOC_PDR_VAL1
+ .word (AT91_BASE_SYS + AT91_PIOC + PIO_PUDR)
+ .word CONFIG_SYS_PIOC_PPUDR_VAL
+#endif
+
+#if defined(AT91_MATRIX_EBI0CSA)
+ .word (AT91_BASE_SYS + AT91_MATRIX_EBI0CSA)
+ .word CONFIG_SYS_MATRIX_EBI0CSA_VAL
+#else /* AT91_MATRIX_EBICSA */
+ .word (AT91_BASE_SYS + AT91_MATRIX_EBICSA)
+ .word CONFIG_SYS_MATRIX_EBICSA_VAL
+#endif
+
+ /* flash */
+ .word (AT91_BASE_SYS + AT91_SMC_MODE(0))
+ .word CONFIG_SYS_SMC0_MODE0_VAL
+
+ .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0))
+ .word CONFIG_SYS_SMC0_CYCLE0_VAL
+
+ .word (AT91_BASE_SYS + AT91_SMC_PULSE(0))
+ .word CONFIG_SYS_SMC0_PULSE0_VAL
+
+ .word (AT91_BASE_SYS + AT91_SMC_SETUP(0))
+ .word CONFIG_SYS_SMC0_SETUP0_VAL
+
+SMRDATA1:
+ .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word CONFIG_SYS_SDRC_MR_VAL1
+ .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
+ .word CONFIG_SYS_SDRC_TR_VAL1
+ .word (AT91_BASE_SYS + AT91_SDRAMC_CR)
+ .word CONFIG_SYS_SDRC_CR_VAL
+ .word (AT91_BASE_SYS + AT91_SDRAMC_MDR)
+ .word CONFIG_SYS_SDRC_MDR_VAL
+ .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word CONFIG_SYS_SDRC_MR_VAL2
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL1
+ .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word CONFIG_SYS_SDRC_MR_VAL3
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL2
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL3
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL4
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL5
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL6
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL7
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL8
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL9
+ .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word CONFIG_SYS_SDRC_MR_VAL4
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL10
+ .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
+ .word CONFIG_SYS_SDRC_MR_VAL5
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL11
+ .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
+ .word CONFIG_SYS_SDRC_TR_VAL2
+ .word AT91_SDRAM_BASE
+ .word CONFIG_SYS_SDRAM_VAL12
+ /* User reset enable*/
+ .word (AT91_BASE_SYS + AT91_RSTC_MR)
+ .word CONFIG_SYS_RSTC_RMR_VAL
+#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
+ /* MATRIX_MCFG - REMAP all masters */
+ .word (AT91_BASE_SYS + AT91_MATRIX_MCFG0)
+ .word 0x1FF
+#endif
+
+SMRDATA2:
+ .word 0
diff --git a/arch/arm/mach-at91/include/mach/at91_st.h b/arch/arm/mach-at91/include/mach/at91_st.h
new file mode 100644
index 0000000..8847173
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91_st.h
@@ -0,0 +1,49 @@
+/*
+ * arch/arm/mach-at91/include/mach/at91_st.h
+ *
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) SAN People
+ *
+ * System Timer (ST) - System peripherals registers.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * 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.
+ */
+
+#ifndef AT91_ST_H
+#define AT91_ST_H
+
+#define AT91_ST_CR (AT91_ST + 0x00) /* Control Register */
+#define AT91_ST_WDRST (1 << 0) /* Watchdog Timer Restart */
+
+#define AT91_ST_PIMR (AT91_ST + 0x04) /* Period Interval Mode Register */
+#define AT91_ST_PIV (0xffff << 0) /* Period Interval Value */
+
+#define AT91_ST_WDMR (AT91_ST + 0x08) /* Watchdog Mode Register */
+#define AT91_ST_WDV (0xffff << 0) /* Watchdog Counter Value */
+#define AT91_ST_RSTEN (1 << 16) /* Reset Enable */
+#define AT91_ST_EXTEN (1 << 17) /* External Signal Assertion Enable */
+
+#define AT91_ST_RTMR (AT91_ST + 0x0c) /* Real-time Mode Register */
+#define AT91_ST_RTPRES (0xffff << 0) /* Real-time Prescalar Value */
+
+#define AT91_ST_SR (AT91_ST + 0x10) /* Status Register */
+#define AT91_ST_PITS (1 << 0) /* Period Interval Timer Status */
+#define AT91_ST_WDOVF (1 << 1) /* Watchdog Overflow */
+#define AT91_ST_RTTINC (1 << 2) /* Real-time Timer Increment */
+#define AT91_ST_ALMS (1 << 3) /* Alarm Status */
+
+#define AT91_ST_IER (AT91_ST + 0x14) /* Interrupt Enable Register */
+#define AT91_ST_IDR (AT91_ST + 0x18) /* Interrupt Disable Register */
+#define AT91_ST_IMR (AT91_ST + 0x1c) /* Interrupt Mask Register */
+
+#define AT91_ST_RTAR (AT91_ST + 0x20) /* Real-time Alarm Register */
+#define AT91_ST_ALMV (0xfffff << 0) /* Alarm Value */
+
+#define AT91_ST_CRTR (AT91_ST + 0x24) /* Current Real-time Register */
+#define AT91_ST_CRTV (0xfffff << 0) /* Current Real-Time Value */
+
+#endif
diff --git a/arch/arm/mach-at91/include/mach/at91_tc.h b/arch/arm/mach-at91/include/mach/at91_tc.h
new file mode 100644
index 0000000..5a064b4
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91_tc.h
@@ -0,0 +1,146 @@
+/*
+ * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_tc.h]
+ *
+ * Copyright (C) SAN People
+ *
+ * Timer/Counter Unit (TC) registers.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * 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.
+ */
+
+#ifndef AT91_TC_H
+#define AT91_TC_H
+
+#define AT91_TC_BCR 0xc0 /* TC Block Control Register */
+#define AT91_TC_SYNC (1 << 0) /* Synchro Command */
+
+#define AT91_TC_BMR 0xc4 /* TC Block Mode Register */
+#define AT91_TC_TC0XC0S (3 << 0) /* External Clock Signal 0 Selection */
+#define AT91_TC_TC0XC0S_TCLK0 (0 << 0)
+#define AT91_TC_TC0XC0S_NONE (1 << 0)
+#define AT91_TC_TC0XC0S_TIOA1 (2 << 0)
+#define AT91_TC_TC0XC0S_TIOA2 (3 << 0)
+#define AT91_TC_TC1XC1S (3 << 2) /* External Clock Signal 1 Selection */
+#define AT91_TC_TC1XC1S_TCLK1 (0 << 2)
+#define AT91_TC_TC1XC1S_NONE (1 << 2)
+#define AT91_TC_TC1XC1S_TIOA0 (2 << 2)
+#define AT91_TC_TC1XC1S_TIOA2 (3 << 2)
+#define AT91_TC_TC2XC2S (3 << 4) /* External Clock Signal 2 Selection */
+#define AT91_TC_TC2XC2S_TCLK2 (0 << 4)
+#define AT91_TC_TC2XC2S_NONE (1 << 4)
+#define AT91_TC_TC2XC2S_TIOA0 (2 << 4)
+#define AT91_TC_TC2XC2S_TIOA1 (3 << 4)
+
+
+#define AT91_TC_CCR 0x00 /* Channel Control Register */
+#define AT91_TC_CLKEN (1 << 0) /* Counter Clock Enable Command */
+#define AT91_TC_CLKDIS (1 << 1) /* Counter CLock Disable Command */
+#define AT91_TC_SWTRG (1 << 2) /* Software Trigger Command */
+
+#define AT91_TC_CMR 0x04 /* Channel Mode Register */
+#define AT91_TC_TCCLKS (7 << 0) /* Capture/Waveform Mode: Clock Selection */
+#define AT91_TC_TIMER_CLOCK1 (0 << 0)
+#define AT91_TC_TIMER_CLOCK2 (1 << 0)
+#define AT91_TC_TIMER_CLOCK3 (2 << 0)
+#define AT91_TC_TIMER_CLOCK4 (3 << 0)
+#define AT91_TC_TIMER_CLOCK5 (4 << 0)
+#define AT91_TC_XC0 (5 << 0)
+#define AT91_TC_XC1 (6 << 0)
+#define AT91_TC_XC2 (7 << 0)
+#define AT91_TC_CLKI (1 << 3) /* Capture/Waveform Mode: Clock Invert */
+#define AT91_TC_BURST (3 << 4) /* Capture/Waveform Mode: Burst Signal Selection */
+#define AT91_TC_LDBSTOP (1 << 6) /* Capture Mode: Counter Clock Stopped with TB Loading */
+#define AT91_TC_LDBDIS (1 << 7) /* Capture Mode: Counter Clock Disable with RB Loading */
+#define AT91_TC_ETRGEDG (3 << 8) /* Capture Mode: External Trigger Edge Selection */
+#define AT91_TC_ABETRG (1 << 10) /* Capture Mode: TIOA or TIOB External Trigger Selection */
+#define AT91_TC_CPCTRG (1 << 14) /* Capture Mode: RC Compare Trigger Enable */
+#define AT91_TC_WAVE (1 << 15) /* Capture/Waveform mode */
+#define AT91_TC_LDRA (3 << 16) /* Capture Mode: RA Loading Selection */
+#define AT91_TC_LDRB (3 << 18) /* Capture Mode: RB Loading Selection */
+
+#define AT91_TC_CPCSTOP (1 << 6) /* Waveform Mode: Counter Clock Stopped with RC Compare */
+#define AT91_TC_CPCDIS (1 << 7) /* Waveform Mode: Counter Clock Disable with RC Compare */
+#define AT91_TC_EEVTEDG (3 << 8) /* Waveform Mode: External Event Edge Selection */
+#define AT91_TC_EEVTEDG_NONE (0 << 8)
+#define AT91_TC_EEVTEDG_RISING (1 << 8)
+#define AT91_TC_EEVTEDG_FALLING (2 << 8)
+#define AT91_TC_EEVTEDG_BOTH (3 << 8)
+#define AT91_TC_EEVT (3 << 10) /* Waveform Mode: External Event Selection */
+#define AT91_TC_EEVT_TIOB (0 << 10)
+#define AT91_TC_EEVT_XC0 (1 << 10)
+#define AT91_TC_EEVT_XC1 (2 << 10)
+#define AT91_TC_EEVT_XC2 (3 << 10)
+#define AT91_TC_ENETRG (1 << 12) /* Waveform Mode: External Event Trigger Enable */
+#define AT91_TC_WAVESEL (3 << 13) /* Waveform Mode: Waveform Selection */
+#define AT91_TC_WAVESEL_UP (0 << 13)
+#define AT91_TC_WAVESEL_UP_AUTO (2 << 13)
+#define AT91_TC_WAVESEL_UPDOWN (1 << 13)
+#define AT91_TC_WAVESEL_UPDOWN_AUTO (3 << 13)
+#define AT91_TC_ACPA (3 << 16) /* Waveform Mode: RA Compare Effect on TIOA */
+#define AT91_TC_ACPA_NONE (0 << 16)
+#define AT91_TC_ACPA_SET (1 << 16)
+#define AT91_TC_ACPA_CLEAR (2 << 16)
+#define AT91_TC_ACPA_TOGGLE (3 << 16)
+#define AT91_TC_ACPC (3 << 18) /* Waveform Mode: RC Compre Effect on TIOA */
+#define AT91_TC_ACPC_NONE (0 << 18)
+#define AT91_TC_ACPC_SET (1 << 18)
+#define AT91_TC_ACPC_CLEAR (2 << 18)
+#define AT91_TC_ACPC_TOGGLE (3 << 18)
+#define AT91_TC_AEEVT (3 << 20) /* Waveform Mode: External Event Effect on TIOA */
+#define AT91_TC_AEEVT_NONE (0 << 20)
+#define AT91_TC_AEEVT_SET (1 << 20)
+#define AT91_TC_AEEVT_CLEAR (2 << 20)
+#define AT91_TC_AEEVT_TOGGLE (3 << 20)
+#define AT91_TC_ASWTRG (3 << 22) /* Waveform Mode: Software Trigger Effect on TIOA */
+#define AT91_TC_ASWTRG_NONE (0 << 22)
+#define AT91_TC_ASWTRG_SET (1 << 22)
+#define AT91_TC_ASWTRG_CLEAR (2 << 22)
+#define AT91_TC_ASWTRG_TOGGLE (3 << 22)
+#define AT91_TC_BCPB (3 << 24) /* Waveform Mode: RB Compare Effect on TIOB */
+#define AT91_TC_BCPB_NONE (0 << 24)
+#define AT91_TC_BCPB_SET (1 << 24)
+#define AT91_TC_BCPB_CLEAR (2 << 24)
+#define AT91_TC_BCPB_TOGGLE (3 << 24)
+#define AT91_TC_BCPC (3 << 26) /* Waveform Mode: RC Compare Effect on TIOB */
+#define AT91_TC_BCPC_NONE (0 << 26)
+#define AT91_TC_BCPC_SET (1 << 26)
+#define AT91_TC_BCPC_CLEAR (2 << 26)
+#define AT91_TC_BCPC_TOGGLE (3 << 26)
+#define AT91_TC_BEEVT (3 << 28) /* Waveform Mode: External Event Effect on TIOB */
+#define AT91_TC_BEEVT_NONE (0 << 28)
+#define AT91_TC_BEEVT_SET (1 << 28)
+#define AT91_TC_BEEVT_CLEAR (2 << 28)
+#define AT91_TC_BEEVT_TOGGLE (3 << 28)
+#define AT91_TC_BSWTRG (3 << 30) /* Waveform Mode: Software Trigger Effect on TIOB */
+#define AT91_TC_BSWTRG_NONE (0 << 30)
+#define AT91_TC_BSWTRG_SET (1 << 30)
+#define AT91_TC_BSWTRG_CLEAR (2 << 30)
+#define AT91_TC_BSWTRG_TOGGLE (3 << 30)
+
+#define AT91_TC_CV 0x10 /* Counter Value */
+#define AT91_TC_RA 0x14 /* Register A */
+#define AT91_TC_RB 0x18 /* Register B */
+#define AT91_TC_RC 0x1c /* Register C */
+
+#define AT91_TC_SR 0x20 /* Status Register */
+#define AT91_TC_COVFS (1 << 0) /* Counter Overflow Status */
+#define AT91_TC_LOVRS (1 << 1) /* Load Overrun Status */
+#define AT91_TC_CPAS (1 << 2) /* RA Compare Status */
+#define AT91_TC_CPBS (1 << 3) /* RB Compare Status */
+#define AT91_TC_CPCS (1 << 4) /* RC Compare Status */
+#define AT91_TC_LDRAS (1 << 5) /* RA Loading Status */
+#define AT91_TC_LDRBS (1 << 6) /* RB Loading Status */
+#define AT91_TC_ETRGS (1 << 7) /* External Trigger Status */
+#define AT91_TC_CLKSTA (1 << 16) /* Clock Enabling Status */
+#define AT91_TC_MTIOA (1 << 17) /* TIOA Mirror */
+#define AT91_TC_MTIOB (1 << 18) /* TIOB Mirror */
+
+#define AT91_TC_IER 0x24 /* Interrupt Enable Register */
+#define AT91_TC_IDR 0x28 /* Interrupt Disable Register */
+#define AT91_TC_IMR 0x2c /* Interrupt Mask Register */
+
+#endif
diff --git a/arch/arm/mach-at91/include/mach/at91rm9200.h b/arch/arm/mach-at91/include/mach/at91rm9200.h
new file mode 100644
index 0000000..985977f
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91rm9200.h
@@ -0,0 +1,127 @@
+/*
+ * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91rm9200.h]
+ *
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) SAN People
+ *
+ * Common definitions.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * 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.
+ */
+
+#ifndef AT91RM9200_H
+#define AT91RM9200_H
+
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define AT91_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */
+#define AT91_ID_SYS 1 /* System Peripheral */
+#define AT91RM9200_ID_PIOA 2 /* Parallel IO Controller A */
+#define AT91RM9200_ID_PIOB 3 /* Parallel IO Controller B */
+#define AT91RM9200_ID_PIOC 4 /* Parallel IO Controller C */
+#define AT91RM9200_ID_PIOD 5 /* Parallel IO Controller D */
+#define AT91RM9200_ID_US0 6 /* USART 0 */
+#define AT91RM9200_ID_US1 7 /* USART 1 */
+#define AT91RM9200_ID_US2 8 /* USART 2 */
+#define AT91RM9200_ID_US3 9 /* USART 3 */
+#define AT91RM9200_ID_MCI 10 /* Multimedia Card Interface */
+#define AT91RM9200_ID_UDP 11 /* USB Device Port */
+#define AT91RM9200_ID_TWI 12 /* Two-Wire Interface */
+#define AT91RM9200_ID_SPI 13 /* Serial Peripheral Interface */
+#define AT91RM9200_ID_SSC0 14 /* Serial Synchronous Controller 0 */
+#define AT91RM9200_ID_SSC1 15 /* Serial Synchronous Controller 1 */
+#define AT91RM9200_ID_SSC2 16 /* Serial Synchronous Controller 2 */
+#define AT91RM9200_ID_TC0 17 /* Timer Counter 0 */
+#define AT91RM9200_ID_TC1 18 /* Timer Counter 1 */
+#define AT91RM9200_ID_TC2 19 /* Timer Counter 2 */
+#define AT91RM9200_ID_TC3 20 /* Timer Counter 3 */
+#define AT91RM9200_ID_TC4 21 /* Timer Counter 4 */
+#define AT91RM9200_ID_TC5 22 /* Timer Counter 5 */
+#define AT91RM9200_ID_UHP 23 /* USB Host port */
+#define AT91RM9200_ID_EMAC 24 /* Ethernet MAC */
+#define AT91RM9200_ID_IRQ0 25 /* Advanced Interrupt Controller (IRQ0) */
+#define AT91RM9200_ID_IRQ1 26 /* Advanced Interrupt Controller (IRQ1) */
+#define AT91RM9200_ID_IRQ2 27 /* Advanced Interrupt Controller (IRQ2) */
+#define AT91RM9200_ID_IRQ3 28 /* Advanced Interrupt Controller (IRQ3) */
+#define AT91RM9200_ID_IRQ4 29 /* Advanced Interrupt Controller (IRQ4) */
+#define AT91RM9200_ID_IRQ5 30 /* Advanced Interrupt Controller (IRQ5) */
+#define AT91RM9200_ID_IRQ6 31 /* Advanced Interrupt Controller (IRQ6) */
+
+
+/*
+ * Peripheral physical base addresses.
+ */
+#define AT91RM9200_BASE_TCB0 0xfffa0000
+#define AT91RM9200_BASE_TC0 0xfffa0000
+#define AT91RM9200_BASE_TC1 0xfffa0040
+#define AT91RM9200_BASE_TC2 0xfffa0080
+#define AT91RM9200_BASE_TCB1 0xfffa4000
+#define AT91RM9200_BASE_TC3 0xfffa4000
+#define AT91RM9200_BASE_TC4 0xfffa4040
+#define AT91RM9200_BASE_TC5 0xfffa4080
+#define AT91RM9200_BASE_UDP 0xfffb0000
+#define AT91RM9200_BASE_MCI 0xfffb4000
+#define AT91RM9200_BASE_TWI 0xfffb8000
+#define AT91RM9200_BASE_EMAC 0xfffbc000
+#define AT91RM9200_BASE_US0 0xfffc0000
+#define AT91RM9200_BASE_US1 0xfffc4000
+#define AT91RM9200_BASE_US2 0xfffc8000
+#define AT91RM9200_BASE_US3 0xfffcc000
+#define AT91RM9200_BASE_SSC0 0xfffd0000
+#define AT91RM9200_BASE_SSC1 0xfffd4000
+#define AT91RM9200_BASE_SSC2 0xfffd8000
+#define AT91RM9200_BASE_SPI 0xfffe0000
+#define AT91_BASE_SYS 0xfffff000
+
+
+/*
+ * System Peripherals (offset from AT91_BASE_SYS)
+ */
+#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) /* Advanced Interrupt Controller */
+#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS) /* Debug Unit */
+#define AT91_PIOA (0xfffff400 - AT91_BASE_SYS) /* PIO Controller A */
+#define AT91_PIOB (0xfffff600 - AT91_BASE_SYS) /* PIO Controller B */
+#define AT91_PIOC (0xfffff800 - AT91_BASE_SYS) /* PIO Controller C */
+#define AT91_PIOD (0xfffffa00 - AT91_BASE_SYS) /* PIO Controller D */
+#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) /* Power Management Controller */
+#define AT91_ST (0xfffffd00 - AT91_BASE_SYS) /* System Timer */
+#define AT91_RTC (0xfffffe00 - AT91_BASE_SYS) /* Real-Time Clock */
+#define AT91_MC (0xffffff00 - AT91_BASE_SYS) /* Memory Controllers */
+
+#define AT91_USART0 AT91RM9200_BASE_US0
+#define AT91_USART1 AT91RM9200_BASE_US1
+#define AT91_USART2 AT91RM9200_BASE_US2
+#define AT91_USART3 AT91RM9200_BASE_US3
+
+#define AT91_BASE_SPI AT91RM9200_BASE_SPI
+#define AT91_BASE_TWI AT91RM9200_BASE_TWI
+#define AT91_ID_UHP AT91RM9200_ID_UHP
+#define AT91_PMC_UHP AT91RM9200_PMC_UHP
+#define AT91_TC (AT91RM9200_BASE_TC0 - AT91_BASE_SYS)
+
+#define AT91_MATRIX 0 /* not supported */
+
+/*
+ * Internal Memory.
+ */
+#define AT91RM9200_ROM_BASE 0x00100000 /* Internal ROM base address */
+#define AT91RM9200_ROM_SIZE SZ_128K /* Internal ROM size (128Kb) */
+
+#define AT91RM9200_SRAM_BASE 0x00200000 /* Internal SRAM base address */
+#define AT91RM9200_SRAM_SIZE SZ_16K /* Internal SRAM size (16Kb) */
+
+#define AT91RM9200_UHP_BASE 0x00300000 /* USB Host controller */
+
+#define AT91_VA_BASE_EMAC AT91RM9200_BASE_EMAC
+
+/*
+ * Cpu Name
+ */
+#define AT91_CPU_NAME "AT91RM9200"
+
+#endif
diff --git a/arch/arm/mach-at91/include/mach/at91rm9200_emac.h b/arch/arm/mach-at91/include/mach/at91rm9200_emac.h
new file mode 100644
index 0000000..7424452
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91rm9200_emac.h
@@ -0,0 +1,138 @@
+/*
+ * [origin: arch/arm/mach-at91/include/mach/at91rm9200_emac.h]
+ *
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) SAN People
+ *
+ * Ethernet MAC registers.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * 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.
+ */
+
+#ifndef AT91RM9200_EMAC_H
+#define AT91RM9200_EMAC_H
+
+#define AT91_EMAC_CTL 0x00 /* Control Register */
+#define AT91_EMAC_LB (1 << 0) /* Loopback */
+#define AT91_EMAC_LBL (1 << 1) /* Loopback Local */
+#define AT91_EMAC_RE (1 << 2) /* Receive Enable */
+#define AT91_EMAC_TE (1 << 3) /* Transmit Enable */
+#define AT91_EMAC_MPE (1 << 4) /* Management Port Enable */
+#define AT91_EMAC_CSR (1 << 5) /* Clear Statistics Registers */
+#define AT91_EMAC_INCSTAT (1 << 6) /* Increment Statistics Registers */
+#define AT91_EMAC_WES (1 << 7) /* Write Enable for Statistics Registers */
+#define AT91_EMAC_BP (1 << 8) /* Back Pressure */
+
+#define AT91_EMAC_CFG 0x04 /* Configuration Register */
+#define AT91_EMAC_SPD (1 << 0) /* Speed */
+#define AT91_EMAC_FD (1 << 1) /* Full Duplex */
+#define AT91_EMAC_BR (1 << 2) /* Bit Rate */
+#define AT91_EMAC_CAF (1 << 4) /* Copy All Frames */
+#define AT91_EMAC_NBC (1 << 5) /* No Broadcast */
+#define AT91_EMAC_MTI (1 << 6) /* Multicast Hash Enable */
+#define AT91_EMAC_UNI (1 << 7) /* Unicast Hash Enable */
+#define AT91_EMAC_BIG (1 << 8) /* Receive 1522 Bytes */
+#define AT91_EMAC_EAE (1 << 9) /* External Address Match Enable */
+#define AT91_EMAC_CLK (3 << 10) /* MDC Clock Divisor */
+#define AT91_EMAC_CLK_DIV8 (0 << 10)
+#define AT91_EMAC_CLK_DIV16 (1 << 10)
+#define AT91_EMAC_CLK_DIV32 (2 << 10)
+#define AT91_EMAC_CLK_DIV64 (3 << 10)
+#define AT91_EMAC_RTY (1 << 12) /* Retry Test */
+#define AT91_EMAC_RMII (1 << 13) /* Reduce MII (RMII) */
+
+#define AT91_EMAC_SR 0x08 /* Status Register */
+#define AT91_EMAC_SR_LINK (1 << 0) /* Link */
+#define AT91_EMAC_SR_MDIO (1 << 1) /* MDIO pin */
+#define AT91_EMAC_SR_IDLE (1 << 2) /* PHY idle */
+
+#define AT91_EMAC_TAR 0x0c /* Transmit Address Register */
+
+#define AT91_EMAC_TCR 0x10 /* Transmit Control Register */
+#define AT91_EMAC_LEN (0x7ff << 0) /* Transmit Frame Length */
+#define AT91_EMAC_NCRC (1 << 15) /* No CRC */
+
+#define AT91_EMAC_TSR 0x14 /* Transmit Status Register */
+#define AT91_EMAC_TSR_OVR (1 << 0) /* Transmit Buffer Overrun */
+#define AT91_EMAC_TSR_COL (1 << 1) /* Collision Occurred */
+#define AT91_EMAC_TSR_RLE (1 << 2) /* Retry Limit Exceeded */
+#define AT91_EMAC_TSR_IDLE (1 << 3) /* Transmitter Idle */
+#define AT91_EMAC_TSR_BNQ (1 << 4) /* Transmit Buffer not Queued */
+#define AT91_EMAC_TSR_COMP (1 << 5) /* Transmit Complete */
+#define AT91_EMAC_TSR_UND (1 << 6) /* Transmit Underrun */
+
+#define AT91_EMAC_RBQP 0x18 /* Receive Buffer Queue Pointer */
+
+#define AT91_EMAC_RSR 0x20 /* Receive Status Register */
+#define AT91_EMAC_RSR_BNA (1 << 0) /* Buffer Not Available */
+#define AT91_EMAC_RSR_REC (1 << 1) /* Frame Received */
+#define AT91_EMAC_RSR_OVR (1 << 2) /* RX Overrun */
+
+#define AT91_EMAC_ISR 0x24 /* Interrupt Status Register */
+#define AT91_EMAC_DONE (1 << 0) /* Management Done */
+#define AT91_EMAC_RCOM (1 << 1) /* Receive Complete */
+#define AT91_EMAC_RBNA (1 << 2) /* Receive Buffer Not Available */
+#define AT91_EMAC_TOVR (1 << 3) /* Transmit Buffer Overrun */
+#define AT91_EMAC_TUND (1 << 4) /* Transmit Buffer Underrun */
+#define AT91_EMAC_RTRY (1 << 5) /* Retry Limit */
+#define AT91_EMAC_TBRE (1 << 6) /* Transmit Buffer Register Empty */
+#define AT91_EMAC_TCOM (1 << 7) /* Transmit Complete */
+#define AT91_EMAC_TIDLE (1 << 8) /* Transmit Idle */
+#define AT91_EMAC_LINK (1 << 9) /* Link */
+#define AT91_EMAC_ROVR (1 << 10) /* RX Overrun */
+#define AT91_EMAC_ABT (1 << 11) /* Abort */
+
+#define AT91_EMAC_IER 0x28 /* Interrupt Enable Register */
+#define AT91_EMAC_IDR 0x2c /* Interrupt Disable Register */
+#define AT91_EMAC_IMR 0x30 /* Interrupt Mask Register */
+
+#define AT91_EMAC_MAN 0x34 /* PHY Maintenance Register */
+#define AT91_EMAC_DATA (0xffff << 0) /* MDIO Data */
+#define AT91_EMAC_REGA (0x1f << 18) /* MDIO Register */
+#define AT91_EMAC_PHYA (0x1f << 23) /* MDIO PHY Address */
+#define AT91_EMAC_RW (3 << 28) /* Read/Write operation */
+#define AT91_EMAC_RW_W (1 << 28)
+#define AT91_EMAC_RW_R (2 << 28)
+#define AT91_EMAC_MAN_802_3 0x40020000 /* IEEE 802.3 value */
+
+/*
+ * Statistics Registers.
+ */
+#define AT91_EMAC_FRA 0x40 /* Frames Transmitted OK */
+#define AT91_EMAC_SCOL 0x44 /* Single Collision Frame */
+#define AT91_EMAC_MCOL 0x48 /* Multiple Collision Frame */
+#define AT91_EMAC_OK 0x4c /* Frames Received OK */
+#define AT91_EMAC_SEQE 0x50 /* Frame Check Sequence Error */
+#define AT91_EMAC_ALE 0x54 /* Alignmemt Error */
+#define AT91_EMAC_DTE 0x58 /* Deffered Transmission Frame */
+#define AT91_EMAC_LCOL 0x5c /* Late Collision */
+#define AT91_EMAC_ECOL 0x60 /* Excessive Collision */
+#define AT91_EMAC_TUE 0x64 /* Transmit Underrun Error */
+#define AT91_EMAC_CSE 0x68 /* Carrier Sense Error */
+#define AT91_EMAC_DRFC 0x6c /* Discard RX Frame */
+#define AT91_EMAC_ROV 0x70 /* Receive Overrun */
+#define AT91_EMAC_CDE 0x74 /* Code Error */
+#define AT91_EMAC_ELR 0x78 /* Excessive Length Error */
+#define AT91_EMAC_RJB 0x7c /* Receive Jabber */
+#define AT91_EMAC_USF 0x80 /* Undersize Frame */
+#define AT91_EMAC_SQEE 0x84 /* SQE Test Error */
+
+/*
+ * Address Registers.
+ */
+#define AT91_EMAC_HSL 0x90 /* Hash Address Low [31:0] */
+#define AT91_EMAC_HSH 0x94 /* Hash Address High [63:32] */
+#define AT91_EMAC_SA1L 0x98 /* Specific Address 1 Low, bytes 0-3 */
+#define AT91_EMAC_SA1H 0x9c /* Specific Address 1 High, bytes 4-5 */
+#define AT91_EMAC_SA2L 0xa0 /* Specific Address 2 Low, bytes 0-3 */
+#define AT91_EMAC_SA2H 0xa4 /* Specific Address 2 High, bytes 4-5 */
+#define AT91_EMAC_SA3L 0xa8 /* Specific Address 3 Low, bytes 0-3 */
+#define AT91_EMAC_SA3H 0xac /* Specific Address 3 High, bytes 4-5 */
+#define AT91_EMAC_SA4L 0xb0 /* Specific Address 4 Low, bytes 0-3 */
+#define AT91_EMAC_SA4H 0xb4 /* Specific Address 4 High, bytes 4-5 */
+
+#endif
diff --git a/arch/arm/mach-at91/include/mach/at91rm9200_mc.h b/arch/arm/mach-at91/include/mach/at91rm9200_mc.h
new file mode 100644
index 0000000..d34e4ed
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/at91rm9200_mc.h
@@ -0,0 +1,160 @@
+/*
+ * arch/arm/mach-at91/include/mach/at91rm9200_mc.h
+ *
+ * Copyright (C) 2005 Ivan Kokshaysky
+ * Copyright (C) SAN People
+ *
+ * Memory Controllers (MC, EBI, SMC, SDRAMC, BFC) - System peripherals registers.
+ * Based on AT91RM9200 datasheet revision E.
+ *
+ * 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.
+ */
+
+#ifndef AT91RM9200_MC_H
+#define AT91RM9200_MC_H
+
+/* Memory Controller */
+#define AT91_MC_RCR (AT91_MC + 0x00) /* MC Remap Control Register */
+#define AT91_MC_RCB (1 << 0) /* Remap Command Bit */
+
+#define AT91_MC_ASR (AT91_MC + 0x04) /* MC Abort Status Register */
+#define AT91_MC_UNADD (1 << 0) /* Undefined Address Abort Status */
+#define AT91_MC_MISADD (1 << 1) /* Misaligned Address Abort Status */
+#define AT91_MC_ABTSZ (3 << 8) /* Abort Size Status */
+#define AT91_MC_ABTSZ_BYTE (0 << 8)
+#define AT91_MC_ABTSZ_HALFWORD (1 << 8)
+#define AT91_MC_ABTSZ_WORD (2 << 8)
+#define AT91_MC_ABTTYP (3 << 10) /* Abort Type Status */
+#define AT91_MC_ABTTYP_DATAREAD (0 << 10)
+#define AT91_MC_ABTTYP_DATAWRITE (1 << 10)
+#define AT91_MC_ABTTYP_FETCH (2 << 10)
+#define AT91_MC_MST0 (1 << 16) /* ARM920T Abort Source */
+#define AT91_MC_MST1 (1 << 17) /* PDC Abort Source */
+#define AT91_MC_MST2 (1 << 18) /* UHP Abort Source */
+#define AT91_MC_MST3 (1 << 19) /* EMAC Abort Source */
+#define AT91_MC_SVMST0 (1 << 24) /* Saved ARM920T Abort Source */
+#define AT91_MC_SVMST1 (1 << 25) /* Saved PDC Abort Source */
+#define AT91_MC_SVMST2 (1 << 26) /* Saved UHP Abort Source */
+#define AT91_MC_SVMST3 (1 << 27) /* Saved EMAC Abort Source */
+
+#define AT91_MC_AASR (AT91_MC + 0x08) /* MC Abort Address Status Register */
+
+#define AT91_MC_MPR (AT91_MC + 0x0c) /* MC Master Priority Register */
+#define AT91_MPR_MSTP0 (7 << 0) /* ARM920T Priority */
+#define AT91_MPR_MSTP1 (7 << 4) /* PDC Priority */
+#define AT91_MPR_MSTP2 (7 << 8) /* UHP Priority */
+#define AT91_MPR_MSTP3 (7 << 12) /* EMAC Priority */
+
+/* External Bus Interface (EBI) registers */
+#define AT91_EBI_CSA (AT91_MC + 0x60) /* Chip Select Assignment Register */
+#define AT91_EBI_CS0A (1 << 0) /* Chip Select 0 Assignment */
+#define AT91_EBI_CS0A_SMC (0 << 0)
+#define AT91_EBI_CS0A_BFC (1 << 0)
+#define AT91_EBI_CS1A (1 << 1) /* Chip Select 1 Assignment */
+#define AT91_EBI_CS1A_SMC (0 << 1)
+#define AT91_EBI_CS1A_SDRAMC (1 << 1)
+#define AT91_EBI_CS3A (1 << 3) /* Chip Select 2 Assignment */
+#define AT91_EBI_CS3A_SMC (0 << 3)
+#define AT91_EBI_CS3A_SMC_SMARTMEDIA (1 << 3)
+#define AT91_EBI_CS4A (1 << 4) /* Chip Select 3 Assignment */
+#define AT91_EBI_CS4A_SMC (0 << 4)
+#define AT91_EBI_CS4A_SMC_COMPACTFLASH (1 << 4)
+#define AT91_EBI_CFGR (AT91_MC + 0x64) /* Configuration Register */
+#define AT91_EBI_DBPUC (1 << 0) /* Data Bus Pull-Up Configuration */
+
+/* Static Memory Controller (SMC) registers */
+#define AT91_SMC_CSR(n) (AT91_MC + 0x70 + ((n) * 4))/* SMC Chip Select Register */
+#define AT91_SMC_NWS (0x7f << 0) /* Number of Wait States */
+#define AT91_SMC_NWS_(x) ((x) << 0)
+#define AT91_SMC_WSEN (1 << 7) /* Wait State Enable */
+#define AT91_SMC_TDF (0xf << 8) /* Data Float Time */
+#define AT91_SMC_TDF_(x) ((x) << 8)
+#define AT91_SMC_BAT (1 << 12) /* Byte Access Type */
+#define AT91_SMC_DBW (3 << 13) /* Data Bus Width */
+#define AT91_SMC_DBW_16 (1 << 13)
+#define AT91_SMC_DBW_8 (2 << 13)
+#define AT91_SMC_DPR (1 << 15) /* Data Read Protocol */
+#define AT91_SMC_ACSS (3 << 16) /* Address to Chip Select Setup */
+#define AT91_SMC_ACSS_STD (0 << 16)
+#define AT91_SMC_ACSS_1 (1 << 16)
+#define AT91_SMC_ACSS_2 (2 << 16)
+#define AT91_SMC_ACSS_3 (3 << 16)
+#define AT91_SMC_RWSETUP (7 << 24) /* Read & Write Signal Time Setup */
+#define AT91_SMC_RWSETUP_(x) ((x) << 24)
+#define AT91_SMC_RWHOLD (7 << 28) /* Read & Write Signal Hold Time */
+#define AT91_SMC_RWHOLD_(x) ((x) << 28)
+
+/* SDRAM Controller registers */
+#define AT91_SDRAMC_MR (AT91_MC + 0x90) /* Mode Register */
+#define AT91_SDRAMC_MODE (0xf << 0) /* Command Mode */
+#define AT91_SDRAMC_MODE_NORMAL (0 << 0)
+#define AT91_SDRAMC_MODE_NOP (1 << 0)
+#define AT91_SDRAMC_MODE_PRECHARGE (2 << 0)
+#define AT91_SDRAMC_MODE_LMR (3 << 0)
+#define AT91_SDRAMC_MODE_REFRESH (4 << 0)
+#define AT91_SDRAMC_DBW (1 << 4) /* Data Bus Width */
+#define AT91_SDRAMC_DBW_32 (0 << 4)
+#define AT91_SDRAMC_DBW_16 (1 << 4)
+
+#define AT91_SDRAMC_TR (AT91_MC + 0x94) /* Refresh Timer Register */
+#define AT91_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Count */
+
+#define AT91_SDRAMC_CR (AT91_MC + 0x98) /* Configuration Register */
+#define AT91_SDRAMC_NC (3 << 0) /* Number of Column Bits */
+#define AT91_SDRAMC_NC_8 (0 << 0)
+#define AT91_SDRAMC_NC_9 (1 << 0)
+#define AT91_SDRAMC_NC_10 (2 << 0)
+#define AT91_SDRAMC_NC_11 (3 << 0)
+#define AT91_SDRAMC_NR (3 << 2) /* Number of Row Bits */
+#define AT91_SDRAMC_NR_11 (0 << 2)
+#define AT91_SDRAMC_NR_12 (1 << 2)
+#define AT91_SDRAMC_NR_13 (2 << 2)
+#define AT91_SDRAMC_NB (1 << 4) /* Number of Banks */
+#define AT91_SDRAMC_NB_2 (0 << 4)
+#define AT91_SDRAMC_NB_4 (1 << 4)
+#define AT91_SDRAMC_CAS (3 << 5) /* CAS Latency */
+#define AT91_SDRAMC_CAS_2 (2 << 5)
+#define AT91_SDRAMC_TWR (0xf << 7) /* Write Recovery Delay */
+#define AT91_SDRAMC_TRC (0xf << 11) /* Row Cycle Delay */
+#define AT91_SDRAMC_TRP (0xf << 15) /* Row Precharge Delay */
+#define AT91_SDRAMC_TRCD (0xf << 19) /* Row to Column Delay */
+#define AT91_SDRAMC_TRAS (0xf << 23) /* Active to Precharge Delay */
+#define AT91_SDRAMC_TXSR (0xf << 27) /* Exit Self Refresh to Active Delay */
+
+#define AT91_SDRAMC_SRR (AT91_MC + 0x9c) /* Self Refresh Register */
+#define AT91_SDRAMC_LPR (AT91_MC + 0xa0) /* Low Power Register */
+#define AT91_SDRAMC_IER (AT91_MC + 0xa4) /* Interrupt Enable Register */
+#define AT91_SDRAMC_IDR (AT91_MC + 0xa8) /* Interrupt Disable Register */
+#define AT91_SDRAMC_IMR (AT91_MC + 0xac) /* Interrupt Mask Register */
+#define AT91_SDRAMC_ISR (AT91_MC + 0xb0) /* Interrupt Status Register */
+
+/* Burst Flash Controller register */
+#define AT91_BFC_MR (AT91_MC + 0xc0) /* Mode Register */
+#define AT91_BFC_BFCOM (3 << 0) /* Burst Flash Controller Operating Mode */
+#define AT91_BFC_BFCOM_DISABLED (0 << 0)
+#define AT91_BFC_BFCOM_ASYNC (1 << 0)
+#define AT91_BFC_BFCOM_BURST (2 << 0)
+#define AT91_BFC_BFCC (3 << 2) /* Burst Flash Controller Clock */
+#define AT91_BFC_BFCC_MCK (1 << 2)
+#define AT91_BFC_BFCC_DIV2 (2 << 2)
+#define AT91_BFC_BFCC_DIV4 (3 << 2)
+#define AT91_BFC_AVL (0xf << 4) /* Address Valid Latency */
+#define AT91_BFC_PAGES (7 << 8) /* Page Size */
+#define AT91_BFC_PAGES_NO_PAGE (0 << 8)
+#define AT91_BFC_PAGES_16 (1 << 8)
+#define AT91_BFC_PAGES_32 (2 << 8)
+#define AT91_BFC_PAGES_64 (3 << 8)
+#define AT91_BFC_PAGES_128 (4 << 8)
+#define AT91_BFC_PAGES_256 (5 << 8)
+#define AT91_BFC_PAGES_512 (6 << 8)
+#define AT91_BFC_PAGES_1024 (7 << 8)
+#define AT91_BFC_OEL (3 << 12) /* Output Enable Latency */
+#define AT91_BFC_BAAEN (1 << 16) /* Burst Address Advance Enable */
+#define AT91_BFC_BFOEH (1 << 17) /* Burst Flash Output Enable Handling */
+#define AT91_BFC_MUXEN (1 << 18) /* Multiplexed Bus Enable */
+#define AT91_BFC_RDYEN (1 << 19) /* Ready Enable Mode */
+
+#endif
diff --git a/arch/arm/mach-at91/lowlevel_init.S b/arch/arm/mach-at91/lowlevel_init.S
deleted file mode 100644
index 805b201..0000000
--- a/arch/arm/mach-at91/lowlevel_init.S
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * Memory Setup stuff - taken from blob memsetup.S
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw at its.tudelft.nl) and
- * Jan-Derk Bakker (J.D.Bakker at its.tudelft.nl)
- *
- * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
- * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.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 <config.h>
-#include <mach/hardware.h>
-#include <mach/at91_pmc.h>
-#include <mach/at91_pio.h>
-#include <mach/at91_rstc.h>
-#include <mach/at91_wdt.h>
-#include <mach/at91sam9_matrix.h>
-#include <mach/at91sam9_sdramc.h>
-#include <mach/at91sam9_smc.h>
-
-_TEXT_BASE:
- .word TEXT_BASE
-
-.globl board_init_lowlevel
-.type board_init_lowlevel,function
-board_init_lowlevel:
-
- mov r5, pc /* r5 = POS1 + 4 current */
-POS1:
- ldr r0, =POS1 /* r0 = POS1 compile */
- ldr r2, _TEXT_BASE
- sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */
- sub r5, r5, r0 /* r0 = TEXT_BASE-1 */
- sub r5, r5, #4 /* r1 = text base - current */
-
- /* memory control configuration 1 */
- ldr r0, =SMRDATA
- ldr r2, =SMRDATA1
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- add r0, r0, r5
- add r2, r2, r5
-0:
- /* the address */
- ldr r1, [r0], #4
- /* the value */
- ldr r3, [r0], #4
- str r3, [r1]
- cmp r2, r0
- bne 0b
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 1.
- * ----------------------------------------------------------------------------
- * - Check if the PLL is already initialized
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR)
- ldr r0, [r1]
- and r0, r0, #3
- cmp r0, #0
- bne PLL_setup_end
-
-/* ---------------------------------------------------------------------------
- * - Enable the Main Oscillator
- * ---------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR)
- ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR)
- /* Main oscillator Enable register PMC_MOR: */
- ldr r0, =CONFIG_SYS_MOR_VAL
- str r0, [r1]
-
- /* Reading the PMC Status to detect when the Main Oscillator is enabled */
- mov r4, #AT91_PMC_MOSCS
-MOSCS_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MOSCS
- bne MOSCS_Loop
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 2.
- * ----------------------------------------------------------------------------
- * Setup PLLA
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_CKGR_PLLAR)
- ldr r0, =CONFIG_SYS_PLLAR_VAL
- str r0, [r1]
-
- /* Reading the PMC Status register to detect when the PLLA is locked */
- mov r4, #AT91_PMC_LOCKA
-MOSCS_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_LOCKA
- bne MOSCS_Loop1
-
-/* ----------------------------------------------------------------------------
- * PMC Init Step 3.
- * ----------------------------------------------------------------------------
- * - Switch on the Main Oscillator
- * ----------------------------------------------------------------------------
- */
- ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR)
-
- /* -Master Clock Controller register PMC_MCKR */
- ldr r0, =CONFIG_SYS_MCKR1_VAL
- str r0, [r1]
-
- /* Reading the PMC Status to detect when the Master clock is ready */
- mov r4, #AT91_PMC_MCKRDY
-MCKRDY_Loop:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MCKRDY
- bne MCKRDY_Loop
-
- ldr r0, =CONFIG_SYS_MCKR2_VAL
- str r0, [r1]
-
- /* Reading the PMC Status to detect when the Master clock is ready */
- mov r4, #AT91_PMC_MCKRDY
-MCKRDY_Loop1:
- ldr r3, [r2]
- and r3, r4, r3
- cmp r3, #AT91_PMC_MCKRDY
- bne MCKRDY_Loop1
-
-PLL_setup_end:
-
-/* ----------------------------------------------------------------------------
- * - memory control configuration 2
- * ----------------------------------------------------------------------------
- */
- ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR)
- ldr r1, [r0]
- cmp r1, #0
- bne SDRAM_setup_end
-
- ldr r0, =SMRDATA1
- ldr r2, =SMRDATA2
- ldr r1, _TEXT_BASE
- sub r0, r0, r1
- sub r2, r2, r1
- add r0, r0, r5
- add r2, r2, r5
-
-2:
- /* the address */
- ldr r1, [r0], #4
- /* the value */
- ldr r3, [r0], #4
- str r3, [r1]
- cmp r2, r0
- bne 2b
-
-SDRAM_setup_end:
- /* everything is fine now */
- mov pc, lr
-
- .ltorg
-
-SMRDATA:
- .word (AT91_BASE_SYS + AT91_WDT_MR)
- .word CONFIG_SYS_WDTC_WDMR_VAL
-
- /* configure PIOx as EBI0 D[16-31] */
-#if defined(CONFIG_ARCH_AT91SAM9263)
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PDR)
- .word CONFIG_SYS_PIOD_PDR_VAL1
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_PUDR)
- .word CONFIG_SYS_PIOD_PPUDR_VAL
- .word (AT91_BASE_SYS + AT91_PIOD + PIO_ASR)
- .word CONFIG_SYS_PIOD_PPUDR_VAL
-#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9261) \
- || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91SAM9G10)
- .word (AT91_BASE_SYS + AT91_PIOC + PIO_PDR)
- .word CONFIG_SYS_PIOC_PDR_VAL1
- .word (AT91_BASE_SYS + AT91_PIOC + PIO_PUDR)
- .word CONFIG_SYS_PIOC_PPUDR_VAL
-#endif
-
-#if defined(AT91_MATRIX_EBI0CSA)
- .word (AT91_BASE_SYS + AT91_MATRIX_EBI0CSA)
- .word CONFIG_SYS_MATRIX_EBI0CSA_VAL
-#else /* AT91_MATRIX_EBICSA */
- .word (AT91_BASE_SYS + AT91_MATRIX_EBICSA)
- .word CONFIG_SYS_MATRIX_EBICSA_VAL
-#endif
-
- /* flash */
- .word (AT91_BASE_SYS + AT91_SMC_MODE(0))
- .word CONFIG_SYS_SMC0_MODE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0))
- .word CONFIG_SYS_SMC0_CYCLE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_PULSE(0))
- .word CONFIG_SYS_SMC0_PULSE0_VAL
-
- .word (AT91_BASE_SYS + AT91_SMC_SETUP(0))
- .word CONFIG_SYS_SMC0_SETUP0_VAL
-
-SMRDATA1:
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
- .word CONFIG_SYS_SDRC_TR_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_CR)
- .word CONFIG_SYS_SDRC_CR_VAL
- .word (AT91_BASE_SYS + AT91_SDRAMC_MDR)
- .word CONFIG_SYS_SDRC_MDR_VAL
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL2
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL1
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL2
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL3
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL4
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL6
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL7
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL8
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL9
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL4
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL10
- .word (AT91_BASE_SYS + AT91_SDRAMC_MR)
- .word CONFIG_SYS_SDRC_MR_VAL5
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL11
- .word (AT91_BASE_SYS + AT91_SDRAMC_TR)
- .word CONFIG_SYS_SDRC_TR_VAL2
- .word AT91_SDRAM_BASE
- .word CONFIG_SYS_SDRAM_VAL12
- /* User reset enable*/
- .word (AT91_BASE_SYS + AT91_RSTC_MR)
- .word CONFIG_SYS_RSTC_RMR_VAL
-#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP
- /* MATRIX_MCFG - REMAP all masters */
- .word (AT91_BASE_SYS + AT91_MATRIX_MCFG0)
- .word 0x1FF
-#endif
-
-SMRDATA2:
- .word 0
--
1.7.4.1
More information about the barebox
mailing list