[PATCH 1/5] ARM: Add support for EP93xx SoCs
Matthias Kaehlcke
matthias at kaehlcke.net
Tue Jan 12 14:30:36 EST 2010
Add support for the Cirrus Logic EP93xx platform
Signed-off-by: Matthias Kaehlcke <matthias at kaehlcke.net>
---
arch/arm/Kconfig | 5 +
arch/arm/Makefile | 9 +
arch/arm/lib/barebox.lds.S | 5 +
arch/arm/mach-ep93xx/Kconfig | 438 +++++++++++++++++
arch/arm/mach-ep93xx/Makefile | 3 +
arch/arm/mach-ep93xx/clocksource.c | 96 ++++
arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h | 600 +++++++++++++++++++++++
arch/arm/mach-ep93xx/led.c | 62 +++
arch/arm/mach-ep93xx/led.h | 26 +
arch/arm/mach-ep93xx/lowlevel_init.S | 64 +++
10 files changed, 1308 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-ep93xx/Kconfig
create mode 100644 arch/arm/mach-ep93xx/Makefile
create mode 100644 arch/arm/mach-ep93xx/clocksource.c
create mode 100644 arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
create mode 100644 arch/arm/mach-ep93xx/led.c
create mode 100644 arch/arm/mach-ep93xx/led.h
create mode 100644 arch/arm/mach-ep93xx/lowlevel_init.S
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c091a99..414a013 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -31,6 +31,10 @@ config ARCH_AT91RM9200
bool "Atmel AT91RM9200"
select CPU_ARM920T
+config ARCH_EP93XX
+ bool "Cirrus Logic EP93xx"
+ select CPU_ARM920T
+
config ARCH_IMX
bool "Freescale iMX-based"
select GENERIC_GPIO
@@ -51,6 +55,7 @@ endchoice
source arch/arm/cpu/Kconfig
source arch/arm/mach-at91/Kconfig
source arch/arm/mach-at91rm9200/Kconfig
+source arch/arm/mach-ep93xx/Kconfig
source arch/arm/mach-imx/Kconfig
source arch/arm/mach-netx/Kconfig
source arch/arm/mach-omap/Kconfig
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 47b002f..ede2085 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -39,6 +39,7 @@ CPPFLAGS += $(CFLAGS_ABI) $(arch-y) $(tune-y)
# by CONFIG_* macro name.
machine-$(CONFIG_ARCH_AT91) := at91
machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
+machine-$(CONFIG_ARCH_EP93XX) := ep93xx
machine-$(CONFIG_ARCH_IMX) := imx
machine-$(CONFIG_ARCH_NETX) := netx
machine-$(CONFIG_ARCH_OMAP) := omap
@@ -51,6 +52,14 @@ board-$(CONFIG_MACH_A9M2440) := a9m2440
board-$(CONFIG_MACH_AT91SAM9260EK) := at91sam9260ek
board-$(CONFIG_MACH_AT91SAM9263EK) := at91sam9263ek
board-$(CONFIG_MACH_ECO920) := eco920
+board-$(CONFIG_MACH_EDB9301) := edb93xx
+board-$(CONFIG_MACH_EDB9302) := edb93xx
+board-$(CONFIG_MACH_EDB9302A) := edb93xx
+board-$(CONFIG_MACH_EDB9307) := edb93xx
+board-$(CONFIG_MACH_EDB9307A) := edb93xx
+board-$(CONFIG_MACH_EDB93012) := edb93xx
+board-$(CONFIG_MACH_EDB9315) := edb93xx
+board-$(CONFIG_MACH_EDB9315A) := edb93xx
board-$(CONFIG_MACH_EUKREA_CPUIMX27) := eukrea_cpuimx27
board-$(CONFIG_MACH_FREESCALE_MX35_3STACK) := freescale-mx35-3-stack
board-$(CONFIG_MACH_FREESCALE_MX25_3STACK) := freescale-mx25-3-stack
diff --git a/arch/arm/lib/barebox.lds.S b/arch/arm/lib/barebox.lds.S
index c8d1bb9..a5eaefa 100644
--- a/arch/arm/lib/barebox.lds.S
+++ b/arch/arm/lib/barebox.lds.S
@@ -39,6 +39,11 @@ SECTIONS
_stext = .;
_text = .;
*(.text_entry*)
+#ifdef CONFIG_ARCH_EP93XX
+ /* the EP93xx expects to find the pattern 'CRUS' at 0x1000 */
+ . = 0x1000;
+ LONG(0x53555243) /* 'CRUS' */
+#endif
*(.text_bare_init*)
*(.text*)
}
diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
new file mode 100644
index 0000000..ed6e986
--- /dev/null
+++ b/arch/arm/mach-ep93xx/Kconfig
@@ -0,0 +1,438 @@
+if ARCH_EP93XX
+
+config EP93XX_SDCE0_PHYS_OFFSET
+ bool
+
+config EP93XX_SDCE3_SYNC_PHYS_OFFSET
+ bool
+
+comment "Cirrus EP93xx System-on-Chip"
+
+choice
+ prompt "Cirrus Logic EP93XX Processor"
+
+config ARCH_EP9301
+ bool "EP9301"
+
+config ARCH_EP9302
+ bool "EP9302"
+
+config ARCH_EP9307
+ bool "EP9307"
+
+config ARCH_EP9312
+ bool "EP9312"
+
+config ARCH_EP9315
+ bool "EP9315"
+
+endchoice
+
+# ----------------------------------------------------------
+
+if ARCH_EP9301
+
+choice
+ prompt "EP9301 Board Type"
+
+config MACH_EDB9301
+ bool "Cirrus Logic EDB9301"
+ select EP93XX_SDCE3_SYNC_PHYS_OFFSET
+ select MACH_HAS_LOWLEVEL_INIT
+ help
+ Say y here if you are using Cirrus Logic's EDB9301 Evaluation board
+
+endchoice
+
+if MACH_EDB9301
+
+config BOARDINFO
+ default "Cirrus Logic EDB9301"
+
+config ARCH_TEXT_BASE
+ hex
+ default 0x05700000
+
+config EP93XX_SDRAM_NUM_BANKS
+ int
+ default 4
+
+config EP93XX_SDRAM_BANK0_BASE
+ hex
+ default 0x00000000
+
+config EP93XX_SDRAM_BANK0_SIZE
+ hex
+ default 0x00800000
+
+config EP93XX_SDRAM_BANK1_BASE
+ hex
+ default 0x01000000
+
+config EP93XX_SDRAM_BANK1_SIZE
+ hex
+ default 0x00800000
+
+config EP93XX_SDRAM_BANK2_BASE
+ hex
+ default 0x04000000
+
+config EP93XX_SDRAM_BANK2_SIZE
+ hex
+ default 0x00800000
+
+config EP93XX_SDRAM_BANK3_BASE
+ hex
+ default 0x05000000
+
+config EP93XX_SDRAM_BANK3_SIZE
+ hex
+ default 0x00800000
+
+endif
+
+endif
+
+# ----------------------------------------------------------
+
+if ARCH_EP9302
+
+choice
+ prompt "EP9302 Board Type"
+
+config MACH_EDB9302
+ bool "Cirrus Logic EDB9302"
+ select EP93XX_SDCE3_SYNC_PHYS_OFFSET
+ select MACH_HAS_LOWLEVEL_INIT
+ help
+ Say y here if you are using Cirrus Logic's EDB9302 Evaluation board
+
+config MACH_EDB9302A
+ bool "Cirrus Logic EDB9302A"
+ select EP93XX_SDCE0_PHYS_OFFSET
+ select MACH_HAS_LOWLEVEL_INIT
+ help
+ Say y here if you are using Cirrus Logic's EDB9302A Evaluation board
+
+endchoice
+
+if MACH_EDB9302
+
+config BOARDINFO
+ default "Cirrus Logic EDB9302"
+
+config ARCH_TEXT_BASE
+ hex
+ default 0x05700000
+
+config EP93XX_SDRAM_NUM_BANKS
+ int
+ default 4
+
+config EP93XX_SDRAM_BANK0_BASE
+ hex
+ default 0x00000000
+
+config EP93XX_SDRAM_BANK0_SIZE
+ hex
+ default 0x00800000
+
+config EP93XX_SDRAM_BANK1_BASE
+ hex
+ default 0x01000000
+
+config EP93XX_SDRAM_BANK1_SIZE
+ hex
+ default 0x00800000
+
+config EP93XX_SDRAM_BANK2_BASE
+ hex
+ default 0x04000000
+
+config EP93XX_SDRAM_BANK2_SIZE
+ hex
+ default 0x00800000
+
+config EP93XX_SDRAM_BANK3_BASE
+ hex
+ default 0x05000000
+
+config EP93XX_SDRAM_BANK3_SIZE
+ hex
+ default 0x00800000
+
+endif
+
+if MACH_EDB9302A
+
+config BOARDINFO
+ default "Cirrus Logic EDB9302A"
+
+config ARCH_TEXT_BASE
+ hex
+ default 0xc5700000
+
+config EP93XX_SDRAM_NUM_BANKS
+ int
+ default 4
+
+config EP93XX_SDRAM_BANK0_BASE
+ hex
+ default 0xc0000000
+
+config EP93XX_SDRAM_BANK0_SIZE
+ hex
+ default 0x00800000
+
+config EP93XX_SDRAM_BANK1_BASE
+ hex
+ default 0xc1000000
+
+config EP93XX_SDRAM_BANK1_SIZE
+ hex
+ default 0x00800000
+
+config EP93XX_SDRAM_BANK2_BASE
+ hex
+ default 0xc4000000
+
+config EP93XX_SDRAM_BANK2_SIZE
+ hex
+ default 0x00800000
+
+config EP93XX_SDRAM_BANK3_BASE
+ hex
+ default 0xc5000000
+
+config EP93XX_SDRAM_BANK3_SIZE
+ hex
+ default 0x00800000
+
+endif
+
+endif
+
+# ----------------------------------------------------------
+
+if ARCH_EP9307
+
+choice
+ prompt "EP9307 Board Type"
+
+config MACH_EDB9307
+ bool "Cirrus Logic EDB9307"
+ select EP93XX_SDCE3_SYNC_PHYS_OFFSET
+ select MACH_HAS_LOWLEVEL_INIT
+ help
+ Say y here if you are using Cirrus Logic's EDB9307 Evaluation board
+
+config MACH_EDB9307A
+ bool "Cirrus Logic EDB9307A"
+ select EP93XX_SDCE0_PHYS_OFFSET
+ select MACH_HAS_LOWLEVEL_INIT
+ help
+ Say y here if you are using Cirrus Logic's EDB9307A Evaluation board
+
+endchoice
+
+if MACH_EDB9307
+
+config BOARDINFO
+ default "Cirrus Logic EDB9307"
+
+config ARCH_TEXT_BASE
+ hex
+ default 0x01f00000
+
+config EP93XX_SDRAM_NUM_BANKS
+ int
+ default 2
+
+config EP93XX_SDRAM_BANK0_BASE
+ hex
+ default 0x00000000
+
+config EP93XX_SDRAM_BANK0_SIZE
+ hex
+ default 0x02000000
+
+config EP93XX_SDRAM_BANK1_BASE
+ hex
+ default 0x04000000
+
+config EP93XX_SDRAM_BANK1_SIZE
+ hex
+ default 0x02000000
+
+endif
+
+if MACH_EDB9307A
+
+config BOARDINFO
+ default "Cirrus Logic EDB9307A"
+
+config ARCH_TEXT_BASE
+ hex
+ default 0xc1f00000
+
+config EP93XX_SDRAM_NUM_BANKS
+ int
+ default 2
+
+config EP93XX_SDRAM_BANK0_BASE
+ hex
+ default 0xc0000000
+
+config EP93XX_SDRAM_BANK0_SIZE
+ hex
+ default 0x02000000
+
+config EP93XX_SDRAM_BANK1_BASE
+ hex
+ default 0xc4000000
+
+config EP93XX_SDRAM_BANK1_SIZE
+ hex
+ default 0x02000000
+
+endif
+
+endif
+
+# ----------------------------------------------------------
+
+if ARCH_EP9312
+
+choice
+ prompt "EP9312 Board Type"
+
+config MACH_EDB9312
+ bool "Cirrus Logic EDB9312"
+ select EP93XX_SDCE3_SYNC_PHYS_OFFSET
+ select MACH_HAS_LOWLEVEL_INIT
+ help
+ Say y here if you are using Cirrus Logic's EDB9312 Evaluation board
+
+endchoice
+
+if MACH_EDB9312
+
+config BOARDINFO
+ default "Cirrus Logic EDB9312"
+
+config ARCH_TEXT_BASE
+ hex
+ default 0x01f00000
+
+config EP93XX_SDRAM_NUM_BANKS
+ int
+ default 2
+
+config EP93XX_SDRAM_BANK0_BASE
+ hex
+ default 0x00000000
+
+config EP93XX_SDRAM_BANK0_SIZE
+ hex
+ default 0x02000000
+
+config EP93XX_SDRAM_BANK1_BASE
+ hex
+ default 0x04000000
+
+config EP93XX_SDRAM_BANK1_SIZE
+ hex
+ default 0x02000000
+
+endif
+
+endif
+
+# ----------------------------------------------------------
+
+if ARCH_EP9315
+
+choice
+ prompt "EP9315 Board Type"
+
+config MACH_EDB9315
+ bool "Cirrus Logic EDB9315"
+ select EP93XX_SDCE3_SYNC_PHYS_OFFSET
+ select MACH_HAS_LOWLEVEL_INIT
+ help
+ Say y here if you are using Cirrus Logic's EDB9315 Evaluation board
+
+config MACH_EDB9315A
+ bool "Cirrus Logic EDB9315A"
+ select EP93XX_SDCE0_PHYS_OFFSET
+ select MACH_HAS_LOWLEVEL_INIT
+ help
+ Say y here if you are using Cirrus Logic's EDB9315A Evaluation board
+
+endchoice
+
+if MACH_EDB9315
+
+config BOARDINFO
+ default "Cirrus Logic EDB9315"
+
+config ARCH_TEXT_BASE
+ hex
+ default 0x01f00000
+
+config EP93XX_SDRAM_NUM_BANKS
+ int
+ default 2
+
+config EP93XX_SDRAM_BANK0_BASE
+ hex
+ default 0x00000000
+
+config EP93XX_SDRAM_BANK0_SIZE
+ hex
+ default 0x02000000
+
+config EP93XX_SDRAM_BANK1_BASE
+ hex
+ default 0x04000000
+
+config EP93XX_SDRAM_BANK1_SIZE
+ hex
+ default 0x02000000
+
+endif
+
+if MACH_EDB9315A
+
+config BOARDINFO
+ default "Cirrus Logic EDB9315A"
+
+config ARCH_TEXT_BASE
+ hex
+ default 0xc1f00000
+
+config EP93XX_SDRAM_NUM_BANKS
+ int
+ default 2
+
+config EP93XX_SDRAM_BANK0_BASE
+ hex
+ default 0xc0000000
+
+config EP93XX_SDRAM_BANK0_SIZE
+ hex
+ default 0x02000000
+
+config EP93XX_SDRAM_BANK1_BASE
+ hex
+ default 0xc4000000
+
+config EP93XX_SDRAM_BANK1_SIZE
+ hex
+ default 0x02000000
+
+endif
+
+endif
+
+endif
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile
new file mode 100644
index 0000000..d5786db
--- /dev/null
+++ b/arch/arm/mach-ep93xx/Makefile
@@ -0,0 +1,3 @@
+obj-y += clocksource.o led.o
+
+obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o
diff --git a/arch/arm/mach-ep93xx/clocksource.c b/arch/arm/mach-ep93xx/clocksource.c
new file mode 100644
index 0000000..2a7d90e
--- /dev/null
+++ b/arch/arm/mach-ep93xx/clocksource.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias at kaehlcke.net>
+ *
+ * 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 <asm/io.h>
+#include <mach/ep93xx-regs.h>
+
+#define TIMER_CLKSEL (1 << 3)
+#define TIMER_MODE (1 << 6)
+#define TIMER_ENABLE (1 << 7)
+
+#define TIMER_FREQ 508469
+
+static uint64_t ep93xx_clocksource_read(void)
+{
+ struct timer_regs *timer = (struct timer_regs *)TIMER_BASE;
+
+ return 0xffffffff - readl(&timer->timer3.value);
+}
+
+static struct clocksource cs = {
+ .read = ep93xx_clocksource_read,
+ .mask = 0xffffffff,
+ .shift = 10,
+};
+
+static int clocksource_init(void)
+{
+ struct timer_regs *timer = (struct timer_regs *)TIMER_BASE;
+
+ /* use timer 3 with 508KHz and free running */
+ writel(TIMER_CLKSEL,
+ &timer->timer3.control);
+
+ /* load timer 3 with max value */
+ writel(0xffffffff, &timer->timer3.load);
+
+ /* enable timer 3 with 508KHz and periodic mode */
+ writel(TIMER_ENABLE | TIMER_MODE | TIMER_CLKSEL,
+ &timer->timer3.control);
+
+ cs.mult = clocksource_hz2mult(TIMER_FREQ, cs.shift);
+
+ init_clock(&cs);
+
+ return 0;
+}
+
+core_initcall(clocksource_init);
+
+/*
+ * Reset the cpu
+ */
+void reset_cpu(ulong ignored)
+{
+ struct syscon_regs *syscon = (struct syscon_regs *)SYSCON_BASE;
+ uint32_t value;
+
+ /* Unlock DeviceCfg and set SWRST */
+ writel(0xAA, &syscon->sysswlock);
+ value = readl(&syscon->devicecfg);
+ value |= SYSCON_DEVICECFG_SWRST;
+ writel(value, &syscon->devicecfg);
+
+ /* Unlock DeviceCfg and clear SWRST */
+ writel(0xAA, &syscon->sysswlock);
+ value = readl(&syscon->devicecfg);
+ value &= ~SYSCON_DEVICECFG_SWRST;
+ writel(value, &syscon->devicecfg);
+
+ /* Dying... */
+ while (1)
+ ; /* noop */
+}
+EXPORT_SYMBOL(reset_cpu);
diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
new file mode 100644
index 0000000..50bb0eb
--- /dev/null
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -0,0 +1,600 @@
+/* -----------------------------------------------------------------------------
+ * Cirrus Logic EP93xx register definitions.
+ *
+ * Copyright (C) 2009
+ * Matthias Kaehlcke <matthias at kaehlcke.net>
+ *
+ * Copyright (C) 2006
+ * Dominic Rath <Dominic.Rath at gmx.de>
+ *
+ * Copyright (C) 2004, 2005
+ * Cory T. Tusar, Videon Central, Inc., <ctusar at videon-central.com>
+ *
+ * Based in large part on linux/include/asm-arm/arch-ep93xx/regmap.h, which is
+ *
+ * Copyright (C) 2004 Ray Lehtiniemi
+ * Copyright (C) 2003 Cirrus Logic, Inc
+ * Copyright (C) 1999 ARM Limited.
+ *
+ * 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.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#endif
+
+#define EP93XX_AHB_BASE 0x80000000
+#define EP93XX_APB_BASE 0x80800000
+
+/* -----------------------------------------------------------------------------
+ * 0x80000000 - 0x8000FFFF: DMA
+ */
+#define DMA_OFFSET 0x000000
+#define DMA_BASE (EP93XX_AHB_BASE | DMA_OFFSET)
+
+#ifndef __ASSEMBLY__
+struct dma_channel {
+ uint32_t control;
+ uint32_t interrupt;
+ uint32_t ppalloc;
+ uint32_t status;
+ uint32_t reserved0;
+ uint32_t remain;
+ uint32_t reserved1[2];
+ uint32_t maxcnt0;
+ uint32_t base0;
+ uint32_t current0;
+ uint32_t reserved2;
+ uint32_t maxcnt1;
+ uint32_t base1;
+ uint32_t current1;
+ uint32_t reserved3;
+};
+
+struct dma_regs {
+ struct dma_channel m2p_channel_0;
+ struct dma_channel m2p_channel_1;
+ struct dma_channel m2p_channel_2;
+ struct dma_channel m2p_channel_3;
+ struct dma_channel m2m_channel_0;
+ struct dma_channel m2m_channel_1;
+ struct dma_channel reserved0[2];
+ struct dma_channel m2p_channel_5;
+ struct dma_channel m2p_channel_4;
+ struct dma_channel m2p_channel_7;
+ struct dma_channel m2p_channel_6;
+ struct dma_channel m2p_channel_9;
+ struct dma_channel m2p_channel_8;
+ uint32_t channel_arbitration;
+ uint32_t reserved[15];
+ uint32_t global_interrupt;
+};
+#endif
+
+/* -----------------------------------------------------------------------------
+ * 0x80010000 - 0x8001FFFF: Ethernet MAC
+ */
+#define MAC_OFFSET 0x010000
+#define MAC_BASE (EP93XX_AHB_BASE | MAC_OFFSET)
+
+#ifndef __ASSEMBLY__
+struct mac_queue {
+ uint32_t badd;
+ union { /* deal with half-word aligned registers */
+ uint32_t blen;
+ union {
+ uint16_t filler;
+ uint16_t curlen;
+ };
+ };
+ uint32_t curadd;
+};
+
+struct mac_regs {
+ uint32_t rxctl;
+ uint32_t txctl;
+ uint32_t testctl;
+ uint32_t reserved0;
+ uint32_t miicmd;
+ uint32_t miidata;
+ uint32_t miists;
+ uint32_t reserved1;
+ uint32_t selfctl;
+ uint32_t inten;
+ uint32_t intstsp;
+ uint32_t intstsc;
+ uint32_t reserved2[2];
+ uint32_t diagad;
+ uint32_t diagdata;
+ uint32_t gt;
+ uint32_t fct;
+ uint32_t fcf;
+ uint32_t afp;
+ union {
+ struct {
+ uint32_t indad;
+ uint32_t indad_upper;
+ };
+ uint32_t hashtbl;
+ };
+ uint32_t reserved3[2];
+ uint32_t giintsts;
+ uint32_t giintmsk;
+ uint32_t giintrosts;
+ uint32_t giintfrc;
+ uint32_t txcollcnt;
+ uint32_t rxmissnct;
+ uint32_t rxruntcnt;
+ uint32_t reserved4;
+ uint32_t bmctl;
+ uint32_t bmsts;
+ uint32_t rxbca;
+ uint32_t reserved5;
+ struct mac_queue rxdq;
+ uint32_t rxdqenq;
+ struct mac_queue rxstsq;
+ uint32_t rxstsqenq;
+ struct mac_queue txdq;
+ uint32_t txdqenq;
+ struct mac_queue txstsq;
+ uint32_t reserved6;
+ uint32_t rxbufthrshld;
+ uint32_t txbufthrshld;
+ uint32_t rxststhrshld;
+ uint32_t txststhrshld;
+ uint32_t rxdthrshld;
+ uint32_t txdthrshld;
+ uint32_t maxfrmlen;
+ uint32_t maxhdrlen;
+};
+#endif
+
+#define SELFCTL_RWP (1 << 7)
+#define SELFCTL_GPO0 (1 << 5)
+#define SELFCTL_PUWE (1 << 4)
+#define SELFCTL_PDWE (1 << 3)
+#define SELFCTL_MIIL (1 << 2)
+#define SELFCTL_RESET (1 << 0)
+
+#define INTSTS_RWI (1 << 30)
+#define INTSTS_RXMI (1 << 29)
+#define INTSTS_RXBI (1 << 28)
+#define INTSTS_RXSQI (1 << 27)
+#define INTSTS_TXLEI (1 << 26)
+#define INTSTS_ECIE (1 << 25)
+#define INTSTS_TXUHI (1 << 24)
+#define INTSTS_MOI (1 << 18)
+#define INTSTS_TXCOI (1 << 17)
+#define INTSTS_RXROI (1 << 16)
+#define INTSTS_MIII (1 << 12)
+#define INTSTS_PHYI (1 << 11)
+#define INTSTS_TI (1 << 10)
+#define INTSTS_AHBE (1 << 8)
+#define INTSTS_OTHER (1 << 4)
+#define INTSTS_TXSQ (1 << 3)
+#define INTSTS_RXSQ (1 << 2)
+
+#define BMCTL_MT (1 << 13)
+#define BMCTL_TT (1 << 12)
+#define BMCTL_UNH (1 << 11)
+#define BMCTL_TXCHR (1 << 10)
+#define BMCTL_TXDIS (1 << 9)
+#define BMCTL_TXEN (1 << 8)
+#define BMCTL_EH2 (1 << 6)
+#define BMCTL_EH1 (1 << 5)
+#define BMCTL_EEOB (1 << 4)
+#define BMCTL_RXCHR (1 << 2)
+#define BMCTL_RXDIS (1 << 1)
+#define BMCTL_RXEN (1 << 0)
+
+#define BMSTS_TXACT (1 << 7)
+#define BMSTS_TP (1 << 4)
+#define BMSTS_RXACT (1 << 3)
+#define BMSTS_QID_MASK 0x07
+#define BMSTS_QID_RXDATA 0x00
+#define BMSTS_QID_TXDATA 0x01
+#define BMSTS_QID_RXSTS 0x02
+#define BMSTS_QID_TXSTS 0x03
+#define BMSTS_QID_RXDESC 0x04
+#define BMSTS_QID_TXDESC 0x05
+
+#define AFP_MASK 0x07
+#define AFP_IAPRIMARY 0x00
+#define AFP_IASECONDARY1 0x01
+#define AFP_IASECONDARY2 0x02
+#define AFP_IASECONDARY3 0x03
+#define AFP_TX 0x06
+#define AFP_HASH 0x07
+
+#define RXCTL_PAUSEA (1 << 20)
+#define RXCTL_RXFCE1 (1 << 19)
+#define RXCTL_RXFCE0 (1 << 18)
+#define RXCTL_BCRC (1 << 17)
+#define RXCTL_SRXON (1 << 16)
+#define RXCTL_RCRCA (1 << 13)
+#define RXCTL_RA (1 << 12)
+#define RXCTL_PA (1 << 11)
+#define RXCTL_BA (1 << 10)
+#define RXCTL_MA (1 << 9)
+#define RXCTL_IAHA (1 << 8)
+#define RXCTL_IA3 (1 << 3)
+#define RXCTL_IA2 (1 << 2)
+#define RXCTL_IA1 (1 << 1)
+#define RXCTL_IA0 (1 << 0)
+
+#define TXCTL_DEFDIS (1 << 7)
+#define TXCTL_MBE (1 << 6)
+#define TXCTL_ICRC (1 << 5)
+#define TXCTL_TPD (1 << 4)
+#define TXCTL_OCOLL (1 << 3)
+#define TXCTL_SP (1 << 2)
+#define TXCTL_PB (1 << 1)
+#define TXCTL_STXON (1 << 0)
+
+#define MIICMD_REGAD_MASK (0x001F)
+#define MIICMD_PHYAD_MASK (0x03E0)
+#define MIICMD_OPCODE_MASK (0xC000)
+#define MIICMD_PHYAD_8950 (0x0000)
+#define MIICMD_OPCODE_READ (0x8000)
+#define MIICMD_OPCODE_WRITE (0x4000)
+
+#define MIISTS_BUSY (1 << 0)
+
+/* -----------------------------------------------------------------------------
+ * 0x80020000 - 0x8002FFFF: USB OHCI
+ */
+#define USB_OFFSET 0x020000
+#define USB_BASE (EP93XX_AHB_BASE | USB_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x80030000 - 0x8003FFFF: Raster engine
+ */
+#if (defined(CONFIG_EP9307) || defined(CONFIG_EP9312) || defined(CONFIG_EP9315))
+#define RASTER_OFFSET 0x030000
+#define RASTER_BASE (EP93XX_AHB_BASE | RASTER_OFFSET)
+#endif
+
+/* -----------------------------------------------------------------------------
+ * 0x80040000 - 0x8004FFFF: Graphics accelerator
+ */
+#if defined(CONFIG_EP9315)
+#define GFX_OFFSET 0x040000
+#define GFX_BASE (EP93XX_AHB_BASE | GFX_OFFSET)
+#endif
+
+/* -----------------------------------------------------------------------------
+ * 0x80050000 - 0x8005FFFF: Reserved
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x80060000 - 0x8006FFFF: SDRAM controller
+ */
+#define SDRAM_OFFSET 0x060000
+#define SDRAM_BASE (EP93XX_AHB_BASE | SDRAM_OFFSET)
+
+#ifndef __ASSEMBLY__
+struct sdram_regs {
+ uint32_t reserved;
+ uint32_t glconfig;
+ uint32_t refrshtimr;
+ uint32_t bootsts;
+ uint32_t devcfg0;
+ uint32_t devcfg1;
+ uint32_t devcfg2;
+ uint32_t devcfg3;
+};
+#endif
+
+#define SDRAM_DEVCFG_EXTBUSWIDTH (1 << 2)
+#define SDRAM_DEVCFG_BANKCOUNT (1 << 3)
+#define SDRAM_DEVCFG_SROMLL (1 << 5)
+#define SDRAM_DEVCFG_CASLAT_2 0x00010000
+#define SDRAM_DEVCFG_RASTOCAS_2 0x00200000
+
+#define GLCONFIG_INIT (1 << 0)
+#define GLCONFIG_MRS (1 << 1)
+#define GLCONFIG_SMEMBUSY (1 << 5)
+#define GLCONFIG_LCR (1 << 6)
+#define GLCONFIG_REARBEN (1 << 7)
+#define GLCONFIG_CLKSHUTDOWN (1 << 30)
+#define GLCONFIG_CKE (1 << 31)
+
+/* -----------------------------------------------------------------------------
+ * 0x80070000 - 0x8007FFFF: Reserved
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x80080000 - 0x8008FFFF: SRAM controller & PCMCIA
+ */
+#define SMC_OFFSET 0x080000
+#define SMC_BASE (EP93XX_AHB_BASE | SMC_OFFSET)
+
+#ifndef __ASSEMBLY__
+struct smc_regs {
+ uint32_t bcr0;
+ uint32_t bcr1;
+ uint32_t bcr2;
+ uint32_t bcr3;
+ uint32_t reserved0[2];
+ uint32_t bcr6;
+ uint32_t bcr7;
+#if defined(CONFIG_EP9315)
+ uint32_t pcattribute;
+ uint32_t pccommon;
+ uint32_t pcio;
+ uint32_t reserved1[5];
+ uint32_t pcmciactrl;
+#endif
+};
+#endif
+
+#define SMC_BCR_IDCY_SHIFT 0
+#define SMC_BCR_WST1_SHIFT 5
+#define SMC_BCR_BLE (1 << 10)
+#define SMC_BCR_WST2_SHIFT 11
+#define SMC_BCR_MW_SHIFT 28
+
+/* -----------------------------------------------------------------------------
+ * 0x80090000 - 0x8009FFFF: Boot ROM
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x800A0000 - 0x800AFFFF: IDE interface
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x800B0000 - 0x800BFFFF: VIC1
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x800C0000 - 0x800CFFFF: VIC2
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x800D0000 - 0x800FFFFF: Reserved
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x80800000 - 0x8080FFFF: Reserved
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x80810000 - 0x8081FFFF: Timers
+ */
+#define TIMER_OFFSET 0x010000
+#define TIMER_BASE (EP93XX_APB_BASE | TIMER_OFFSET)
+
+#ifndef __ASSEMBLY__
+struct timer {
+ uint32_t load;
+ uint32_t value;
+ uint32_t control;
+ uint32_t clear;
+};
+
+struct timer4 {
+ uint32_t value_low;
+ uint32_t value_high;
+};
+
+struct timer_regs {
+ struct timer timer1;
+ uint32_t reserved0[4];
+ struct timer timer2;
+ uint32_t reserved1[12];
+ struct timer4 timer4;
+ uint32_t reserved2[6];
+ struct timer timer3;
+};
+#endif
+
+/* -----------------------------------------------------------------------------
+ * 0x80820000 - 0x8082FFFF: I2S
+ */
+#define I2S_OFFSET 0x020000
+#define I2S_BASE (EP93XX_APB_BASE | I2S_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x80830000 - 0x8083FFFF: Security
+ */
+#define SECURITY_OFFSET 0x030000
+#define SECURITY_BASE (EP93XX_APB_BASE | SECURITY_OFFSET)
+
+#define EXTENSIONID (SECURITY_BASE + 0x2714)
+
+/* -----------------------------------------------------------------------------
+ * 0x80840000 - 0x8084FFFF: GPIO
+ */
+#define GPIO_OFFSET 0x040000
+#define GPIO_BASE (EP93XX_APB_BASE | GPIO_OFFSET)
+
+#ifndef __ASSEMBLY__
+struct gpio_int {
+ uint32_t inttype1;
+ uint32_t inttype2;
+ uint32_t eoi;
+ uint32_t inten;
+ uint32_t intsts;
+ uint32_t rawintsts;
+ uint32_t db;
+};
+
+struct gpio_regs {
+ uint32_t padr;
+ uint32_t pbdr;
+ uint32_t pcdr;
+ uint32_t pddr;
+ uint32_t paddr;
+ uint32_t pbddr;
+ uint32_t pcddr;
+ uint32_t pdddr;
+ uint32_t pedr;
+ uint32_t peddr;
+ uint32_t reserved0[2];
+ uint32_t pfdr;
+ uint32_t pfddr;
+ uint32_t pgdr;
+ uint32_t pgddr;
+ uint32_t phdr;
+ uint32_t phddr;
+ uint32_t reserved1;
+ uint32_t finttype1;
+ uint32_t finttype2;
+ uint32_t reserved2;
+ struct gpio_int pfint;
+ uint32_t reserved3[10];
+ struct gpio_int paint;
+ struct gpio_int pbint;
+ uint32_t eedrive;
+};
+#endif
+
+/* -----------------------------------------------------------------------------
+ * 0x80850000 - 0x8087FFFF: Reserved
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x80880000 - 0x8088FFFF: AAC
+ */
+#define AAC_OFFSET 0x080000
+#define AAC_BASE (EP93XX_APB_BASE | AAC_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x80890000 - 0x8089FFFF: Reserved
+ */
+
+/* -----------------------------------------------------------------------------
+ * 0x808A0000 - 0x808AFFFF: SPI
+ */
+#define SPI_OFFSET 0x0A0000
+#define SPI_BASE (EP93XX_APB_BASE | SPI_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x808B0000 - 0x808BFFFF: IrDA
+ */
+#define IRDA_OFFSET 0x0B0000
+#define IRDA_BASE (EP93XX_APB_BASE | IRDA_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x808C0000 - 0x808CFFFF: UART1
+ */
+#define UART1_OFFSET 0x0C0000
+#define UART1_BASE (EP93XX_APB_BASE | UART1_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x808D0000 - 0x808DFFFF: UART2
+ */
+#define UART2_OFFSET 0x0D0000
+#define UART2_BASE (EP93XX_APB_BASE | UART2_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x808E0000 - 0x808EFFFF: UART3
+ */
+#define UART3_OFFSET 0x0E0000
+#define UART3_BASE (EP93XX_APB_BASE | UART3_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x808F0000 - 0x808FFFFF: Key Matrix
+ */
+#define KEY_OFFSET 0x0F0000
+#define KEY_BASE (EP93XX_APB_BASE | KEY_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x80900000 - 0x8090FFFF: Touchscreen
+ */
+#define TOUCH_OFFSET 0x900000
+#define TOUCH_BASE (EP93XX_APB_BASE | TOUCH_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x80910000 - 0x8091FFFF: Pulse Width Modulation
+ */
+#define PWM_OFFSET 0x910000
+#define PWM_BASE (EP93XX_APB_BASE | PWM_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x80920000 - 0x8092FFFF: Real time clock
+ */
+#define RTC_OFFSET 0x920000
+#define RTC_BASE (EP93XX_APB_BASE | RTC_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x80930000 - 0x8093FFFF: Syscon
+ */
+#define SYSCON_OFFSET 0x930000
+#define SYSCON_BASE (EP93XX_APB_BASE | SYSCON_OFFSET)
+
+#ifndef __ASSEMBLY__
+struct syscon_regs {
+ uint32_t pwrsts;
+ uint32_t pwrcnt;
+ uint32_t halt;
+ uint32_t stby;
+ uint32_t reserved0[2];
+ uint32_t teoi;
+ uint32_t stfclr;
+ uint32_t clkset1;
+ uint32_t clkset2;
+ uint32_t reserved1[6];
+ uint32_t scratch0;
+ uint32_t scratch1;
+ uint32_t reserved2[2];
+ uint32_t apbwait;
+ uint32_t bustmstrarb;
+ uint32_t bootmodeclr;
+ uint32_t reserved3[9];
+ uint32_t devicecfg;
+ uint32_t vidclkdiv;
+ uint32_t mirclkdiv;
+ uint32_t i2sclkdiv;
+ uint32_t keytchclkdiv;
+ uint32_t chipid;
+ uint32_t syscfg;
+ uint32_t reserved4[8];
+ uint32_t sysswlock;
+};
+#else
+#define SYSCON_SCRATCH0 (SYSCON_BASE + 0x0040)
+#endif
+
+#define SYSCON_PWRCNT_UART_BAUD (1 << 29)
+
+#define SYSCON_CLKSET_PLL_X2IPD_SHIFT 0
+#define SYSCON_CLKSET_PLL_X2FBD2_SHIFT 5
+#define SYSCON_CLKSET_PLL_X1FBD1_SHIFT 11
+#define SYSCON_CLKSET_PLL_PS_SHIFT 16
+#define SYSCON_CLKSET1_PCLK_DIV_SHIFT 18
+#define SYSCON_CLKSET1_HCLK_DIV_SHIFT 20
+#define SYSCON_CLKSET1_NBYP1 (1 << 23)
+#define SYSCON_CLKSET1_FCLK_DIV_SHIFT 25
+
+#define SYSCON_CLKSET2_PLL2_EN (1 << 18)
+#define SYSCON_CLKSET2_NBYP2 (1 << 19)
+#define SYSCON_CLKSET2_USB_DIV_SHIFT 28
+
+#define SYSCON_CHIPID_REV_MASK 0xF0000000
+#define SYSCON_DEVICECFG_SWRST (1 << 31)
+
+/* -----------------------------------------------------------------------------
+ * 0x80930000 - 0x8093FFFF: Watchdog Timer
+ */
+#define WATCHDOG_OFFSET 0x940000
+#define WATCHDOG_BASE (EP93XX_APB_BASE | WATCHDOG_OFFSET)
+
+/* -----------------------------------------------------------------------------
+ * 0x80950000 - 0x9000FFFF: Reserved
+ */
+
diff --git a/arch/arm/mach-ep93xx/led.c b/arch/arm/mach-ep93xx/led.c
new file mode 100644
index 0000000..6d6b902
--- /dev/null
+++ b/arch/arm/mach-ep93xx/led.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias at kaehlcke.net>
+ *
+ * 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/io.h>
+#include <mach/ep93xx-regs.h>
+
+#define GREEN_LED_POS 0x01
+#define RED_LED_POS 0x02
+
+inline void switch_LED_on(uint32_t bit_pos)
+{
+ register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
+
+ writel(readl(&gpio->pedr) | bit_pos, &gpio->pedr);
+}
+
+inline void switch_LED_off(uint32_t bit_pos)
+{
+ register struct gpio_regs *gpio = (struct gpio_regs *)GPIO_BASE;
+
+ writel(readl(&gpio->pedr) & ~bit_pos, &gpio->pedr);
+}
+
+void red_LED_on(void)
+{
+ switch_LED_on(RED_LED_POS);
+}
+
+void red_LED_off(void)
+{
+ switch_LED_off(RED_LED_POS);
+}
+
+void green_LED_on(void)
+{
+ switch_LED_on(GREEN_LED_POS);
+}
+
+void green_LED_off(void)
+{
+ switch_LED_off(GREEN_LED_POS);
+}
diff --git a/arch/arm/mach-ep93xx/led.h b/arch/arm/mach-ep93xx/led.h
new file mode 100644
index 0000000..db9512f
--- /dev/null
+++ b/arch/arm/mach-ep93xx/led.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias at kaehlcke.net>
+ *
+ * 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
+ */
+
+extern void red_LED_on(void);
+extern void red_LED_off(void);
+extern void green_LED_on(void);
+extern void green_LED_off(void);
diff --git a/arch/arm/mach-ep93xx/lowlevel_init.S b/arch/arm/mach-ep93xx/lowlevel_init.S
new file mode 100644
index 0000000..27c2c90
--- /dev/null
+++ b/arch/arm/mach-ep93xx/lowlevel_init.S
@@ -0,0 +1,64 @@
+/*
+ * Low-level initialization for EP93xx
+ *
+ * Copyright (C) 2009 Matthias Kaehlcke <matthias at kaehlcke.net>
+ *
+ * Copyright (C) 2006 Dominic Rath <Dominic.Rath at gmx.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 <mach/ep93xx-regs.h>
+
+.globl board_init_lowlevel
+board_init_lowlevel:
+ /* backup return address */
+ ldr r1, =SYSCON_SCRATCH0
+ str lr, [r1]
+
+ /* Turn on both LEDs */
+ bl red_LED_on
+ bl green_LED_on
+
+ /* Configure flash wait states before we switch to the PLL */
+ bl flash_cfg
+
+ /* Set up PLL */
+ bl pll_cfg
+
+ /* Turn off the Green LED and leave the Red LED on */
+ bl green_LED_off
+
+ /* Setup SDRAM */
+ bl sdram_cfg
+
+ /* Turn on Green LED, Turn off the Red LED */
+ bl green_LED_on
+ bl red_LED_off
+
+ /* switch to async mode */
+ mrc p15, 0, r0, c1, c0, 0
+ orr r0, r0, #0xc0000000
+ mcr p15, 0, r0, c1, c0, 0
+
+ /* restore return address */
+ ldr r1, =SYSCON_SCRATCH0
+ ldr lr, [r1]
+
+ mov pc, lr
--
1.6.3.1
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