summaryrefslogtreecommitdiff
path: root/arch/arm/mach-ep93xx/include
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/mach-ep93xx/include
Initial import
Diffstat (limited to 'arch/arm/mach-ep93xx/include')
-rw-r--r--arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h41
-rw-r--r--arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h110
-rw-r--r--arch/arm/mach-ep93xx/include/mach/hardware.h24
-rw-r--r--arch/arm/mach-ep93xx/include/mach/irqs.h78
-rw-r--r--arch/arm/mach-ep93xx/include/mach/platform.h70
-rw-r--r--arch/arm/mach-ep93xx/include/mach/uncompress.h82
6 files changed, 405 insertions, 0 deletions
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 000000000..c64d74246
--- /dev/null
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -0,0 +1,41 @@
+/*
+ * arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
+ */
+
+#ifndef __ASM_ARCH_EP93XX_REGS_H
+#define __ASM_ARCH_EP93XX_REGS_H
+
+/*
+ * EP93xx linux memory map:
+ *
+ * virt phys size
+ * fe800000 5M per-platform mappings
+ * fed00000 80800000 2M APB
+ * fef00000 80000000 1M AHB
+ */
+
+#define EP93XX_AHB_PHYS_BASE 0x80000000
+#define EP93XX_AHB_VIRT_BASE 0xfef00000
+#define EP93XX_AHB_SIZE 0x00100000
+
+#define EP93XX_AHB_PHYS(x) (EP93XX_AHB_PHYS_BASE + (x))
+#define EP93XX_AHB_IOMEM(x) IOMEM(EP93XX_AHB_VIRT_BASE + (x))
+
+#define EP93XX_APB_PHYS_BASE 0x80800000
+#define EP93XX_APB_VIRT_BASE 0xfed00000
+#define EP93XX_APB_SIZE 0x00200000
+
+#define EP93XX_APB_PHYS(x) (EP93XX_APB_PHYS_BASE + (x))
+#define EP93XX_APB_IOMEM(x) IOMEM(EP93XX_APB_VIRT_BASE + (x))
+
+/* APB UARTs */
+#define EP93XX_UART1_PHYS_BASE EP93XX_APB_PHYS(0x000c0000)
+#define EP93XX_UART1_BASE EP93XX_APB_IOMEM(0x000c0000)
+
+#define EP93XX_UART2_PHYS_BASE EP93XX_APB_PHYS(0x000d0000)
+#define EP93XX_UART2_BASE EP93XX_APB_IOMEM(0x000d0000)
+
+#define EP93XX_UART3_PHYS_BASE EP93XX_APB_PHYS(0x000e0000)
+#define EP93XX_UART3_BASE EP93XX_APB_IOMEM(0x000e0000)
+
+#endif
diff --git a/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h b/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h
new file mode 100644
index 000000000..6d7c571a5
--- /dev/null
+++ b/arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h
@@ -0,0 +1,110 @@
+/* Include file for the EP93XX GPIO controller machine specifics */
+
+#ifndef __GPIO_EP93XX_H
+#define __GPIO_EP93XX_H
+
+#include <mach/ep93xx-regs.h>
+
+#define EP93XX_GPIO_PHYS_BASE EP93XX_APB_PHYS(0x00040000)
+#define EP93XX_GPIO_BASE EP93XX_APB_IOMEM(0x00040000)
+#define EP93XX_GPIO_REG(x) (EP93XX_GPIO_BASE + (x))
+#define EP93XX_GPIO_F_INT_STATUS EP93XX_GPIO_REG(0x5c)
+#define EP93XX_GPIO_A_INT_STATUS EP93XX_GPIO_REG(0xa0)
+#define EP93XX_GPIO_B_INT_STATUS EP93XX_GPIO_REG(0xbc)
+#define EP93XX_GPIO_EEDRIVE EP93XX_GPIO_REG(0xc8)
+
+/* GPIO port A. */
+#define EP93XX_GPIO_LINE_A(x) ((x) + 0)
+#define EP93XX_GPIO_LINE_EGPIO0 EP93XX_GPIO_LINE_A(0)
+#define EP93XX_GPIO_LINE_EGPIO1 EP93XX_GPIO_LINE_A(1)
+#define EP93XX_GPIO_LINE_EGPIO2 EP93XX_GPIO_LINE_A(2)
+#define EP93XX_GPIO_LINE_EGPIO3 EP93XX_GPIO_LINE_A(3)
+#define EP93XX_GPIO_LINE_EGPIO4 EP93XX_GPIO_LINE_A(4)
+#define EP93XX_GPIO_LINE_EGPIO5 EP93XX_GPIO_LINE_A(5)
+#define EP93XX_GPIO_LINE_EGPIO6 EP93XX_GPIO_LINE_A(6)
+#define EP93XX_GPIO_LINE_EGPIO7 EP93XX_GPIO_LINE_A(7)
+
+/* GPIO port B. */
+#define EP93XX_GPIO_LINE_B(x) ((x) + 8)
+#define EP93XX_GPIO_LINE_EGPIO8 EP93XX_GPIO_LINE_B(0)
+#define EP93XX_GPIO_LINE_EGPIO9 EP93XX_GPIO_LINE_B(1)
+#define EP93XX_GPIO_LINE_EGPIO10 EP93XX_GPIO_LINE_B(2)
+#define EP93XX_GPIO_LINE_EGPIO11 EP93XX_GPIO_LINE_B(3)
+#define EP93XX_GPIO_LINE_EGPIO12 EP93XX_GPIO_LINE_B(4)
+#define EP93XX_GPIO_LINE_EGPIO13 EP93XX_GPIO_LINE_B(5)
+#define EP93XX_GPIO_LINE_EGPIO14 EP93XX_GPIO_LINE_B(6)
+#define EP93XX_GPIO_LINE_EGPIO15 EP93XX_GPIO_LINE_B(7)
+
+/* GPIO port C. */
+#define EP93XX_GPIO_LINE_C(x) ((x) + 40)
+#define EP93XX_GPIO_LINE_ROW0 EP93XX_GPIO_LINE_C(0)
+#define EP93XX_GPIO_LINE_ROW1 EP93XX_GPIO_LINE_C(1)
+#define EP93XX_GPIO_LINE_ROW2 EP93XX_GPIO_LINE_C(2)
+#define EP93XX_GPIO_LINE_ROW3 EP93XX_GPIO_LINE_C(3)
+#define EP93XX_GPIO_LINE_ROW4 EP93XX_GPIO_LINE_C(4)
+#define EP93XX_GPIO_LINE_ROW5 EP93XX_GPIO_LINE_C(5)
+#define EP93XX_GPIO_LINE_ROW6 EP93XX_GPIO_LINE_C(6)
+#define EP93XX_GPIO_LINE_ROW7 EP93XX_GPIO_LINE_C(7)
+
+/* GPIO port D. */
+#define EP93XX_GPIO_LINE_D(x) ((x) + 24)
+#define EP93XX_GPIO_LINE_COL0 EP93XX_GPIO_LINE_D(0)
+#define EP93XX_GPIO_LINE_COL1 EP93XX_GPIO_LINE_D(1)
+#define EP93XX_GPIO_LINE_COL2 EP93XX_GPIO_LINE_D(2)
+#define EP93XX_GPIO_LINE_COL3 EP93XX_GPIO_LINE_D(3)
+#define EP93XX_GPIO_LINE_COL4 EP93XX_GPIO_LINE_D(4)
+#define EP93XX_GPIO_LINE_COL5 EP93XX_GPIO_LINE_D(5)
+#define EP93XX_GPIO_LINE_COL6 EP93XX_GPIO_LINE_D(6)
+#define EP93XX_GPIO_LINE_COL7 EP93XX_GPIO_LINE_D(7)
+
+/* GPIO port E. */
+#define EP93XX_GPIO_LINE_E(x) ((x) + 32)
+#define EP93XX_GPIO_LINE_GRLED EP93XX_GPIO_LINE_E(0)
+#define EP93XX_GPIO_LINE_RDLED EP93XX_GPIO_LINE_E(1)
+#define EP93XX_GPIO_LINE_DIORn EP93XX_GPIO_LINE_E(2)
+#define EP93XX_GPIO_LINE_IDECS1n EP93XX_GPIO_LINE_E(3)
+#define EP93XX_GPIO_LINE_IDECS2n EP93XX_GPIO_LINE_E(4)
+#define EP93XX_GPIO_LINE_IDEDA0 EP93XX_GPIO_LINE_E(5)
+#define EP93XX_GPIO_LINE_IDEDA1 EP93XX_GPIO_LINE_E(6)
+#define EP93XX_GPIO_LINE_IDEDA2 EP93XX_GPIO_LINE_E(7)
+
+/* GPIO port F. */
+#define EP93XX_GPIO_LINE_F(x) ((x) + 16)
+#define EP93XX_GPIO_LINE_WP EP93XX_GPIO_LINE_F(0)
+#define EP93XX_GPIO_LINE_MCCD1 EP93XX_GPIO_LINE_F(1)
+#define EP93XX_GPIO_LINE_MCCD2 EP93XX_GPIO_LINE_F(2)
+#define EP93XX_GPIO_LINE_MCBVD1 EP93XX_GPIO_LINE_F(3)
+#define EP93XX_GPIO_LINE_MCBVD2 EP93XX_GPIO_LINE_F(4)
+#define EP93XX_GPIO_LINE_VS1 EP93XX_GPIO_LINE_F(5)
+#define EP93XX_GPIO_LINE_READY EP93XX_GPIO_LINE_F(6)
+#define EP93XX_GPIO_LINE_VS2 EP93XX_GPIO_LINE_F(7)
+
+/* GPIO port G. */
+#define EP93XX_GPIO_LINE_G(x) ((x) + 48)
+#define EP93XX_GPIO_LINE_EECLK EP93XX_GPIO_LINE_G(0)
+#define EP93XX_GPIO_LINE_EEDAT EP93XX_GPIO_LINE_G(1)
+#define EP93XX_GPIO_LINE_SLA0 EP93XX_GPIO_LINE_G(2)
+#define EP93XX_GPIO_LINE_SLA1 EP93XX_GPIO_LINE_G(3)
+#define EP93XX_GPIO_LINE_DD12 EP93XX_GPIO_LINE_G(4)
+#define EP93XX_GPIO_LINE_DD13 EP93XX_GPIO_LINE_G(5)
+#define EP93XX_GPIO_LINE_DD14 EP93XX_GPIO_LINE_G(6)
+#define EP93XX_GPIO_LINE_DD15 EP93XX_GPIO_LINE_G(7)
+
+/* GPIO port H. */
+#define EP93XX_GPIO_LINE_H(x) ((x) + 56)
+#define EP93XX_GPIO_LINE_DD0 EP93XX_GPIO_LINE_H(0)
+#define EP93XX_GPIO_LINE_DD1 EP93XX_GPIO_LINE_H(1)
+#define EP93XX_GPIO_LINE_DD2 EP93XX_GPIO_LINE_H(2)
+#define EP93XX_GPIO_LINE_DD3 EP93XX_GPIO_LINE_H(3)
+#define EP93XX_GPIO_LINE_DD4 EP93XX_GPIO_LINE_H(4)
+#define EP93XX_GPIO_LINE_DD5 EP93XX_GPIO_LINE_H(5)
+#define EP93XX_GPIO_LINE_DD6 EP93XX_GPIO_LINE_H(6)
+#define EP93XX_GPIO_LINE_DD7 EP93XX_GPIO_LINE_H(7)
+
+/* maximum value for gpio line identifiers */
+#define EP93XX_GPIO_LINE_MAX EP93XX_GPIO_LINE_H(7)
+
+/* maximum value for irq capable line identifiers */
+#define EP93XX_GPIO_LINE_MAX_IRQ EP93XX_GPIO_LINE_F(7)
+
+#endif /* __GPIO_EP93XX_H */
diff --git a/arch/arm/mach-ep93xx/include/mach/hardware.h b/arch/arm/mach-ep93xx/include/mach/hardware.h
new file mode 100644
index 000000000..efcd47815
--- /dev/null
+++ b/arch/arm/mach-ep93xx/include/mach/hardware.h
@@ -0,0 +1,24 @@
+/*
+ * arch/arm/mach-ep93xx/include/mach/hardware.h
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <mach/platform.h>
+
+/*
+ * The EP93xx has two external crystal oscillators. To generate the
+ * required high-frequency clocks, the processor uses two phase-locked-
+ * loops (PLLs) to multiply the incoming external clock signal to much
+ * higher frequencies that are then divided down by programmable dividers
+ * to produce the needed clocks. The PLLs operate independently of one
+ * another.
+ */
+#define EP93XX_EXT_CLK_RATE 14745600
+#define EP93XX_EXT_RTC_RATE 32768
+
+#define EP93XX_KEYTCHCLK_DIV4 (EP93XX_EXT_CLK_RATE / 4)
+#define EP93XX_KEYTCHCLK_DIV16 (EP93XX_EXT_CLK_RATE / 16)
+
+#endif
diff --git a/arch/arm/mach-ep93xx/include/mach/irqs.h b/arch/arm/mach-ep93xx/include/mach/irqs.h
new file mode 100644
index 000000000..ff98390bb
--- /dev/null
+++ b/arch/arm/mach-ep93xx/include/mach/irqs.h
@@ -0,0 +1,78 @@
+/*
+ * arch/arm/mach-ep93xx/include/mach/irqs.h
+ */
+
+#ifndef __ASM_ARCH_IRQS_H
+#define __ASM_ARCH_IRQS_H
+
+#define IRQ_EP93XX_COMMRX 2
+#define IRQ_EP93XX_COMMTX 3
+#define IRQ_EP93XX_TIMER1 4
+#define IRQ_EP93XX_TIMER2 5
+#define IRQ_EP93XX_AACINTR 6
+#define IRQ_EP93XX_DMAM2P0 7
+#define IRQ_EP93XX_DMAM2P1 8
+#define IRQ_EP93XX_DMAM2P2 9
+#define IRQ_EP93XX_DMAM2P3 10
+#define IRQ_EP93XX_DMAM2P4 11
+#define IRQ_EP93XX_DMAM2P5 12
+#define IRQ_EP93XX_DMAM2P6 13
+#define IRQ_EP93XX_DMAM2P7 14
+#define IRQ_EP93XX_DMAM2P8 15
+#define IRQ_EP93XX_DMAM2P9 16
+#define IRQ_EP93XX_DMAM2M0 17
+#define IRQ_EP93XX_DMAM2M1 18
+#define IRQ_EP93XX_GPIO0MUX 19
+#define IRQ_EP93XX_GPIO1MUX 20
+#define IRQ_EP93XX_GPIO2MUX 21
+#define IRQ_EP93XX_GPIO3MUX 22
+#define IRQ_EP93XX_UART1RX 23
+#define IRQ_EP93XX_UART1TX 24
+#define IRQ_EP93XX_UART2RX 25
+#define IRQ_EP93XX_UART2TX 26
+#define IRQ_EP93XX_UART3RX 27
+#define IRQ_EP93XX_UART3TX 28
+#define IRQ_EP93XX_KEY 29
+#define IRQ_EP93XX_TOUCH 30
+#define EP93XX_VIC1_VALID_IRQ_MASK 0x7ffffffc
+
+#define IRQ_EP93XX_EXT0 32
+#define IRQ_EP93XX_EXT1 33
+#define IRQ_EP93XX_EXT2 34
+#define IRQ_EP93XX_64HZ 35
+#define IRQ_EP93XX_WATCHDOG 36
+#define IRQ_EP93XX_RTC 37
+#define IRQ_EP93XX_IRDA 38
+#define IRQ_EP93XX_ETHERNET 39
+#define IRQ_EP93XX_EXT3 40
+#define IRQ_EP93XX_PROG 41
+#define IRQ_EP93XX_1HZ 42
+#define IRQ_EP93XX_VSYNC 43
+#define IRQ_EP93XX_VIDEO_FIFO 44
+#define IRQ_EP93XX_SSP1RX 45
+#define IRQ_EP93XX_SSP1TX 46
+#define IRQ_EP93XX_GPIO4MUX 47
+#define IRQ_EP93XX_GPIO5MUX 48
+#define IRQ_EP93XX_GPIO6MUX 49
+#define IRQ_EP93XX_GPIO7MUX 50
+#define IRQ_EP93XX_TIMER3 51
+#define IRQ_EP93XX_UART1 52
+#define IRQ_EP93XX_SSP 53
+#define IRQ_EP93XX_UART2 54
+#define IRQ_EP93XX_UART3 55
+#define IRQ_EP93XX_USB 56
+#define IRQ_EP93XX_ETHERNET_PME 57
+#define IRQ_EP93XX_DSP 58
+#define IRQ_EP93XX_GPIO_AB 59
+#define IRQ_EP93XX_SAI 60
+#define EP93XX_VIC2_VALID_IRQ_MASK 0x1fffffff
+
+#define NR_EP93XX_IRQS (64 + 24)
+
+#define EP93XX_BOARD_IRQ(x) (NR_EP93XX_IRQS + (x))
+#define EP93XX_BOARD_IRQS 32
+
+#define NR_IRQS (NR_EP93XX_IRQS + EP93XX_BOARD_IRQS)
+
+
+#endif
diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h
new file mode 100644
index 000000000..4c0bbd97f
--- /dev/null
+++ b/arch/arm/mach-ep93xx/include/mach/platform.h
@@ -0,0 +1,70 @@
+/*
+ * arch/arm/mach-ep93xx/include/mach/platform.h
+ */
+
+#ifndef __ASSEMBLY__
+
+#include <linux/reboot.h>
+
+struct device;
+struct i2c_gpio_platform_data;
+struct i2c_board_info;
+struct spi_board_info;
+struct platform_device;
+struct ep93xxfb_mach_info;
+struct ep93xx_keypad_platform_data;
+struct ep93xx_spi_info;
+
+struct ep93xx_eth_data
+{
+ unsigned char dev_addr[6];
+ unsigned char phy_id;
+};
+
+void ep93xx_map_io(void);
+void ep93xx_init_irq(void);
+
+#define EP93XX_CHIP_REV_D0 3
+#define EP93XX_CHIP_REV_D1 4
+#define EP93XX_CHIP_REV_E0 5
+#define EP93XX_CHIP_REV_E1 6
+#define EP93XX_CHIP_REV_E2 7
+
+unsigned int ep93xx_chip_revision(void);
+
+void ep93xx_register_flash(unsigned int width,
+ resource_size_t start, resource_size_t size);
+
+void ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr);
+void ep93xx_register_i2c(struct i2c_gpio_platform_data *data,
+ struct i2c_board_info *devices, int num);
+void ep93xx_register_spi(struct ep93xx_spi_info *info,
+ struct spi_board_info *devices, int num);
+void ep93xx_register_fb(struct ep93xxfb_mach_info *data);
+void ep93xx_register_pwm(int pwm0, int pwm1);
+int ep93xx_pwm_acquire_gpio(struct platform_device *pdev);
+void ep93xx_pwm_release_gpio(struct platform_device *pdev);
+void ep93xx_register_keypad(struct ep93xx_keypad_platform_data *data);
+int ep93xx_keypad_acquire_gpio(struct platform_device *pdev);
+void ep93xx_keypad_release_gpio(struct platform_device *pdev);
+void ep93xx_register_i2s(void);
+int ep93xx_i2s_acquire(void);
+void ep93xx_i2s_release(void);
+void ep93xx_register_ac97(void);
+void ep93xx_register_ide(void);
+int ep93xx_ide_acquire_gpio(struct platform_device *pdev);
+void ep93xx_ide_release_gpio(struct platform_device *pdev);
+
+struct device *ep93xx_init_devices(void);
+extern void ep93xx_timer_init(void);
+
+void ep93xx_restart(enum reboot_mode, const char *);
+void ep93xx_init_late(void);
+
+#ifdef CONFIG_CRUNCH
+int crunch_init(void);
+#else
+static inline int crunch_init(void) { return 0; }
+#endif
+
+#endif
diff --git a/arch/arm/mach-ep93xx/include/mach/uncompress.h b/arch/arm/mach-ep93xx/include/mach/uncompress.h
new file mode 100644
index 000000000..03c42e540
--- /dev/null
+++ b/arch/arm/mach-ep93xx/include/mach/uncompress.h
@@ -0,0 +1,82 @@
+/*
+ * arch/arm/mach-ep93xx/include/mach/uncompress.h
+ *
+ * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
+ *
+ * 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 <mach/ep93xx-regs.h>
+
+static unsigned char __raw_readb(unsigned int ptr)
+{
+ return *((volatile unsigned char *)ptr);
+}
+
+static unsigned int __raw_readl(unsigned int ptr)
+{
+ return *((volatile unsigned int *)ptr);
+}
+
+static void __raw_writeb(unsigned char value, unsigned int ptr)
+{
+ *((volatile unsigned char *)ptr) = value;
+}
+
+static void __raw_writel(unsigned int value, unsigned int ptr)
+{
+ *((volatile unsigned int *)ptr) = value;
+}
+
+#define PHYS_UART_DATA (CONFIG_DEBUG_UART_PHYS + 0x00)
+#define PHYS_UART_FLAG (CONFIG_DEBUG_UART_PHYS + 0x18)
+#define UART_FLAG_TXFF 0x20
+
+static inline void putc(int c)
+{
+ int i;
+
+ for (i = 0; i < 10000; i++) {
+ /* Transmit fifo not full? */
+ if (!(__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF))
+ break;
+ }
+
+ __raw_writeb(c, PHYS_UART_DATA);
+}
+
+static inline void flush(void)
+{
+}
+
+
+/*
+ * Some bootloaders don't turn off DMA from the ethernet MAC before
+ * jumping to linux, which means that we might end up with bits of RX
+ * status and packet data scribbled over the uncompressed kernel image.
+ * Work around this by resetting the ethernet MAC before we uncompress.
+ */
+#define PHYS_ETH_SELF_CTL 0x80010020
+#define ETH_SELF_CTL_RESET 0x00000001
+
+static void ethernet_reset(void)
+{
+ unsigned int v;
+
+ /* Reset the ethernet MAC. */
+ v = __raw_readl(PHYS_ETH_SELF_CTL);
+ __raw_writel(v | ETH_SELF_CTL_RESET, PHYS_ETH_SELF_CTL);
+
+ /* Wait for reset to finish. */
+ while (__raw_readl(PHYS_ETH_SELF_CTL) & ETH_SELF_CTL_RESET)
+ ;
+}
+
+
+static void arch_decomp_setup(void)
+{
+ ethernet_reset();
+}