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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-gemini/include
Initial import
Diffstat (limited to 'arch/arm/mach-gemini/include')
-rw-r--r--arch/arm/mach-gemini/include/mach/entry-macro.S33
-rw-r--r--arch/arm/mach-gemini/include/mach/global_reg.h278
-rw-r--r--arch/arm/mach-gemini/include/mach/hardware.h74
-rw-r--r--arch/arm/mach-gemini/include/mach/irqs.h53
-rw-r--r--arch/arm/mach-gemini/include/mach/uncompress.h42
5 files changed, 480 insertions, 0 deletions
diff --git a/arch/arm/mach-gemini/include/mach/entry-macro.S b/arch/arm/mach-gemini/include/mach/entry-macro.S
new file mode 100644
index 000000000..f044e430b
--- /dev/null
+++ b/arch/arm/mach-gemini/include/mach/entry-macro.S
@@ -0,0 +1,33 @@
+/*
+ * Low-level IRQ helper macros for Gemini platform.
+ *
+ * Copyright (C) 2001-2006 Storlink, Corp.
+ * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <mach/hardware.h>
+
+#define IRQ_STATUS 0x14
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \irqstat, =IO_ADDRESS(GEMINI_INTERRUPT_BASE + IRQ_STATUS)
+ ldr \irqnr, [\irqstat]
+ cmp \irqnr, #0
+ beq 2313f
+ mov \tmp, \irqnr
+ mov \irqnr, #0
+2312:
+ tst \tmp, #1
+ bne 2313f
+ add \irqnr, \irqnr, #1
+ mov \tmp, \tmp, lsr #1
+ cmp \irqnr, #31
+ bcc 2312b
+2313:
+ .endm
diff --git a/arch/arm/mach-gemini/include/mach/global_reg.h b/arch/arm/mach-gemini/include/mach/global_reg.h
new file mode 100644
index 000000000..de7ff7e84
--- /dev/null
+++ b/arch/arm/mach-gemini/include/mach/global_reg.h
@@ -0,0 +1,278 @@
+/*
+ * This file contains the hardware definitions for Gemini.
+ *
+ * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * 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 __MACH_GLOBAL_REG_H
+#define __MACH_GLOBAL_REG_H
+
+/* Global Word ID Register*/
+#define GLOBAL_ID 0x00
+
+#define CHIP_ID(reg) ((reg) >> 8)
+#define CHIP_REVISION(reg) ((reg) & 0xFF)
+
+/* Global Status Register */
+#define GLOBAL_STATUS 0x04
+
+#define CPU_BIG_ENDIAN (1 << 31)
+#define PLL_OSC_30M (1 << 30) /* else 60MHz */
+
+#define OPERATION_MODE_MASK (0xF << 26)
+#define OPM_IDDQ (0xF << 26)
+#define OPM_NAND (0xE << 26)
+#define OPM_RING (0xD << 26)
+#define OPM_DIRECT_BOOT (0xC << 26)
+#define OPM_USB1_PHY_TEST (0xB << 26)
+#define OPM_USB0_PHY_TEST (0xA << 26)
+#define OPM_SATA1_PHY_TEST (0x9 << 26)
+#define OPM_SATA0_PHY_TEST (0x8 << 26)
+#define OPM_ICE_ARM (0x7 << 26)
+#define OPM_ICE_FARADAY (0x6 << 26)
+#define OPM_PLL_BYPASS (0x5 << 26)
+#define OPM_DEBUG (0x4 << 26)
+#define OPM_BURN_IN (0x3 << 26)
+#define OPM_MBIST (0x2 << 26)
+#define OPM_SCAN (0x1 << 26)
+#define OPM_REAL (0x0 << 26)
+
+#define FLASH_TYPE_MASK (0x3 << 24)
+#define FLASH_TYPE_NAND_2K (0x3 << 24)
+#define FLASH_TYPE_NAND_512 (0x2 << 24)
+#define FLASH_TYPE_PARALLEL (0x1 << 24)
+#define FLASH_TYPE_SERIAL (0x0 << 24)
+/* if parallel */
+#define FLASH_WIDTH_16BIT (1 << 23) /* else 8 bit */
+/* if serial */
+#define FLASH_ATMEL (1 << 23) /* else STM */
+
+#define FLASH_SIZE_MASK (0x3 << 21)
+#define NAND_256M (0x3 << 21) /* and more */
+#define NAND_128M (0x2 << 21)
+#define NAND_64M (0x1 << 21)
+#define NAND_32M (0x0 << 21)
+#define ATMEL_16M (0x3 << 21) /* and more */
+#define ATMEL_8M (0x2 << 21)
+#define ATMEL_4M_2M (0x1 << 21)
+#define ATMEL_1M (0x0 << 21) /* and less */
+#define STM_32M (1 << 22) /* and more */
+#define STM_16M (0 << 22) /* and less */
+
+#define FLASH_PARALLEL_HIGH_PIN_CNT (1 << 20) /* else low pin cnt */
+
+#define CPU_AHB_RATIO_MASK (0x3 << 18)
+#define CPU_AHB_1_1 (0x0 << 18)
+#define CPU_AHB_3_2 (0x1 << 18)
+#define CPU_AHB_24_13 (0x2 << 18)
+#define CPU_AHB_2_1 (0x3 << 18)
+
+#define REG_TO_AHB_SPEED(reg) ((((reg) >> 15) & 0x7) * 10 + 130)
+#define AHB_SPEED_TO_REG(x) ((((x - 130)) / 10) << 15)
+
+/* it is posible to override some settings, use >> OVERRIDE_xxxx_SHIFT */
+#define OVERRIDE_FLASH_TYPE_SHIFT 16
+#define OVERRIDE_FLASH_WIDTH_SHIFT 16
+#define OVERRIDE_FLASH_SIZE_SHIFT 16
+#define OVERRIDE_CPU_AHB_RATIO_SHIFT 15
+#define OVERRIDE_AHB_SPEED_SHIFT 15
+
+/* Global PLL Control Register */
+#define GLOBAL_PLL_CTRL 0x08
+
+#define PLL_BYPASS (1 << 31)
+#define PLL_POWER_DOWN (1 << 8)
+#define PLL_CONTROL_Q (0x1F << 0)
+
+/* Global Soft Reset Control Register */
+#define GLOBAL_RESET 0x0C
+
+#define RESET_GLOBAL (1 << 31)
+#define RESET_CPU1 (1 << 30)
+#define RESET_TVE (1 << 28)
+#define RESET_SATA1 (1 << 27)
+#define RESET_SATA0 (1 << 26)
+#define RESET_CIR (1 << 25)
+#define RESET_EXT_DEV (1 << 24)
+#define RESET_WD (1 << 23)
+#define RESET_GPIO2 (1 << 22)
+#define RESET_GPIO1 (1 << 21)
+#define RESET_GPIO0 (1 << 20)
+#define RESET_SSP (1 << 19)
+#define RESET_UART (1 << 18)
+#define RESET_TIMER (1 << 17)
+#define RESET_RTC (1 << 16)
+#define RESET_INT1 (1 << 15)
+#define RESET_INT0 (1 << 14)
+#define RESET_LCD (1 << 13)
+#define RESET_LPC (1 << 12)
+#define RESET_APB (1 << 11)
+#define RESET_DMA (1 << 10)
+#define RESET_USB1 (1 << 9)
+#define RESET_USB0 (1 << 8)
+#define RESET_PCI (1 << 7)
+#define RESET_GMAC1 (1 << 6)
+#define RESET_GMAC0 (1 << 5)
+#define RESET_SECURITY (1 << 4)
+#define RESET_RAID (1 << 3)
+#define RESET_IDE (1 << 2)
+#define RESET_FLASH (1 << 1)
+#define RESET_DRAM (1 << 0)
+
+/* Global IO Pad Driving Capability Control Register */
+#define GLOBAL_IO_DRIVING_CTRL 0x10
+
+#define DRIVING_CURRENT_MASK 0x3
+
+/* here 00-4mA, 01-8mA, 10-12mA, 11-16mA */
+#define GPIO1_PADS_31_28_SHIFT 28
+#define GPIO0_PADS_31_16_SHIFT 26
+#define GPIO0_PADS_15_0_SHIFT 24
+#define PCI_AND_EXT_RESET_PADS_SHIFT 22
+#define IDE_PADS_SHIFT 20
+#define GMAC1_PADS_SHIFT 18
+#define GMAC0_PADS_SHIFT 16
+/* DRAM is not in mA and poorly documented */
+#define DRAM_CLOCK_PADS_SHIFT 8
+#define DRAM_DATA_PADS_SHIFT 4
+#define DRAM_CONTROL_PADS_SHIFT 0
+
+/* Global IO Pad Slew Rate Control Register */
+#define GLOBAL_IO_SLEW_RATE_CTRL 0x14
+
+#define GPIO1_PADS_31_28_SLOW (1 << 10)
+#define GPIO0_PADS_31_16_SLOW (1 << 9)
+#define GPIO0_PADS_15_0_SLOW (1 << 8)
+#define PCI_PADS_SLOW (1 << 7)
+#define IDE_PADS_SLOW (1 << 6)
+#define GMAC1_PADS_SLOW (1 << 5)
+#define GMAC0_PADS_SLOW (1 << 4)
+#define DRAM_CLOCK_PADS_SLOW (1 << 1)
+#define DRAM_IO_PADS_SLOW (1 << 0)
+
+/*
+ * General skew control defines
+ * 16 steps, each step is around 0.2ns
+ */
+#define SKEW_MASK 0xF
+
+/* Global IDE PAD Skew Control Register */
+#define GLOBAL_IDE_SKEW_CTRL 0x18
+
+#define IDE1_HOST_STROBE_DELAY_SHIFT 28
+#define IDE1_DEVICE_STROBE_DELAY_SHIFT 24
+#define IDE1_OUTPUT_IO_SKEW_SHIFT 20
+#define IDE1_INPUT_IO_SKEW_SHIFT 16
+#define IDE0_HOST_STROBE_DELAY_SHIFT 12
+#define IDE0_DEVICE_STROBE_DELAY_SHIFT 8
+#define IDE0_OUTPUT_IO_SKEW_SHIFT 4
+#define IDE0_INPUT_IO_SKEW_SHIFT 0
+
+/* Global GMAC Control Pad Skew Control Register */
+#define GLOBAL_GMAC_CTRL_SKEW_CTRL 0x1C
+
+#define GMAC1_TXC_SKEW_SHIFT 28
+#define GMAC1_TXEN_SKEW_SHIFT 24
+#define GMAC1_RXC_SKEW_SHIFT 20
+#define GMAC1_RXDV_SKEW_SHIFT 16
+#define GMAC0_TXC_SKEW_SHIFT 12
+#define GMAC0_TXEN_SKEW_SHIFT 8
+#define GMAC0_RXC_SKEW_SHIFT 4
+#define GMAC0_RXDV_SKEW_SHIFT 0
+
+/* Global GMAC0 Data PAD Skew Control Register */
+#define GLOBAL_GMAC0_DATA_SKEW_CTRL 0x20
+/* Global GMAC1 Data PAD Skew Control Register */
+#define GLOBAL_GMAC1_DATA_SKEW_CTRL 0x24
+
+#define GMAC_TXD_SKEW_SHIFT(x) (((x) * 4) + 16)
+#define GMAC_RXD_SKEW_SHIFT(x) ((x) * 4)
+
+/* CPU has two AHB busses. */
+
+/* Global Arbitration0 Control Register */
+#define GLOBAL_ARBITRATION0_CTRL 0x28
+
+#define BOOT_CONTROLLER_HIGH_PRIO (1 << 3)
+#define DMA_BUS1_HIGH_PRIO (1 << 2)
+#define CPU0_HIGH_PRIO (1 << 0)
+
+/* Global Arbitration1 Control Register */
+#define GLOBAL_ARBITRATION1_CTRL 0x2C
+
+#define TVE_HIGH_PRIO (1 << 9)
+#define PCI_HIGH_PRIO (1 << 8)
+#define USB1_HIGH_PRIO (1 << 7)
+#define USB0_HIGH_PRIO (1 << 6)
+#define GMAC1_HIGH_PRIO (1 << 5)
+#define GMAC0_HIGH_PRIO (1 << 4)
+#define SECURITY_HIGH_PRIO (1 << 3)
+#define RAID_HIGH_PRIO (1 << 2)
+#define IDE_HIGH_PRIO (1 << 1)
+#define DMA_BUS2_HIGH_PRIO (1 << 0)
+
+/* Common bits for both arbitration registers */
+#define BURST_LENGTH_SHIFT 16
+#define BURST_LENGTH_MASK (0x3F << 16)
+
+/* Miscellaneous Control Register */
+#define GLOBAL_MISC_CTRL 0x30
+
+#define MEMORY_SPACE_SWAP (1 << 31)
+#define USB1_PLUG_MINIB (1 << 30) /* else plug is mini-A */
+#define USB0_PLUG_MINIB (1 << 29)
+#define GMAC_GMII (1 << 28)
+#define GMAC_1_ENABLE (1 << 27)
+/* TODO: define ATA/SATA bits */
+#define USB1_VBUS_ON (1 << 23)
+#define USB0_VBUS_ON (1 << 22)
+#define APB_CLKOUT_ENABLE (1 << 21)
+#define TVC_CLKOUT_ENABLE (1 << 20)
+#define EXT_CLKIN_ENABLE (1 << 19)
+#define PCI_66MHZ (1 << 18) /* else 33 MHz */
+#define PCI_CLKOUT_ENABLE (1 << 17)
+#define LPC_CLKOUT_ENABLE (1 << 16)
+#define USB1_WAKEUP_ON (1 << 15)
+#define USB0_WAKEUP_ON (1 << 14)
+/* TODO: define PCI idle detect bits */
+#define TVC_PADS_ENABLE (1 << 9)
+#define SSP_PADS_ENABLE (1 << 8)
+#define LCD_PADS_ENABLE (1 << 7)
+#define LPC_PADS_ENABLE (1 << 6)
+#define PCI_PADS_ENABLE (1 << 5)
+#define IDE_PADS_ENABLE (1 << 4)
+#define DRAM_PADS_POWER_DOWN (1 << 3)
+#define NAND_PADS_DISABLE (1 << 2)
+#define PFLASH_PADS_DISABLE (1 << 1)
+#define SFLASH_PADS_DISABLE (1 << 0)
+
+/* Global Clock Control Register */
+#define GLOBAL_CLOCK_CTRL 0x34
+
+#define POWER_STATE_G0 (1 << 31)
+#define POWER_STATE_S1 (1 << 30) /* else it is S3/S4 state */
+#define SECURITY_APB_AHB (1 << 29)
+/* else Security APB clk will be 0.75xAHB */
+/* TODO: TVC clock divider */
+#define PCI_CLKRUN_ENABLE (1 << 16)
+#define BOOT_CLK_DISABLE (1 << 13)
+#define TVC_CLK_DISABLE (1 << 12)
+#define FLASH_CLK_DISABLE (1 << 11)
+#define DDR_CLK_DISABLE (1 << 10)
+#define PCI_CLK_DISABLE (1 << 9)
+#define IDE_CLK_DISABLE (1 << 8)
+#define USB1_CLK_DISABLE (1 << 7)
+#define USB0_CLK_DISABLE (1 << 6)
+#define SATA1_CLK_DISABLE (1 << 5)
+#define SATA0_CLK_DISABLE (1 << 4)
+#define GMAC1_CLK_DISABLE (1 << 3)
+#define GMAC0_CLK_DISABLE (1 << 2)
+#define SECURITY_CLK_DISABLE (1 << 1)
+
+/* TODO: other registers definitions if needed */
+
+#endif /* __MACH_GLOBAL_REG_H */
diff --git a/arch/arm/mach-gemini/include/mach/hardware.h b/arch/arm/mach-gemini/include/mach/hardware.h
new file mode 100644
index 000000000..98e7b0f28
--- /dev/null
+++ b/arch/arm/mach-gemini/include/mach/hardware.h
@@ -0,0 +1,74 @@
+/*
+ * This file contains the hardware definitions for Gemini.
+ *
+ * Copyright (C) 2001-2006 Storlink, Corp.
+ * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * 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 __MACH_HARDWARE_H
+#define __MACH_HARDWARE_H
+
+/*
+ * Memory Map definitions
+ */
+#ifdef CONFIG_GEMINI_MEM_SWAP
+# define GEMINI_DRAM_BASE 0x00000000
+# define GEMINI_SRAM_BASE 0x70000000
+#else
+# define GEMINI_SRAM_BASE 0x00000000
+# define GEMINI_DRAM_BASE 0x10000000
+#endif
+#define GEMINI_FLASH_BASE 0x30000000
+#define GEMINI_GLOBAL_BASE 0x40000000
+#define GEMINI_WAQTCHDOG_BASE 0x41000000
+#define GEMINI_UART_BASE 0x42000000
+#define GEMINI_TIMER_BASE 0x43000000
+#define GEMINI_LCD_BASE 0x44000000
+#define GEMINI_RTC_BASE 0x45000000
+#define GEMINI_SATA_BASE 0x46000000
+#define GEMINI_LPC_HOST_BASE 0x47000000
+#define GEMINI_LPC_IO_BASE 0x47800000
+#define GEMINI_INTERRUPT_BASE 0x48000000
+/* TODO: Different interrupt controllers when SMP
+ * #define GEMINI_INTERRUPT0_BASE 0x48000000
+ * #define GEMINI_INTERRUPT1_BASE 0x49000000
+ */
+#define GEMINI_SSP_CTRL_BASE 0x4A000000
+#define GEMINI_POWER_CTRL_BASE 0x4B000000
+#define GEMINI_CIR_BASE 0x4C000000
+#define GEMINI_GPIO_BASE(x) (0x4D000000 + (x) * 0x1000000)
+#define GEMINI_PCI_IO_BASE 0x50000000
+#define GEMINI_PCI_MEM_BASE 0x58000000
+#define GEMINI_TOE_BASE 0x60000000
+#define GEMINI_GMAC0_BASE 0x6000A000
+#define GEMINI_GMAC1_BASE 0x6000E000
+#define GEMINI_SECURITY_BASE 0x62000000
+#define GEMINI_IDE0_BASE 0x63000000
+#define GEMINI_IDE1_BASE 0x63400000
+#define GEMINI_RAID_BASE 0x64000000
+#define GEMINI_FLASH_CTRL_BASE 0x65000000
+#define GEMINI_DRAM_CTRL_BASE 0x66000000
+#define GEMINI_GENERAL_DMA_BASE 0x67000000
+#define GEMINI_USB0_BASE 0x68000000
+#define GEMINI_USB1_BASE 0x69000000
+#define GEMINI_BIG_ENDIAN_BASE 0x80000000
+
+#define GEMINI_TIMER1_BASE GEMINI_TIMER_BASE
+#define GEMINI_TIMER2_BASE (GEMINI_TIMER_BASE + 0x10)
+#define GEMINI_TIMER3_BASE (GEMINI_TIMER_BASE + 0x20)
+
+/*
+ * UART Clock when System clk is 150MHz
+ */
+#define UART_CLK 48000000
+
+/*
+ * macro to get at IO space when running virtually
+ */
+#define IO_ADDRESS(x) IOMEM((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
+
+#endif
diff --git a/arch/arm/mach-gemini/include/mach/irqs.h b/arch/arm/mach-gemini/include/mach/irqs.h
new file mode 100644
index 000000000..06bc47e77
--- /dev/null
+++ b/arch/arm/mach-gemini/include/mach/irqs.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2001-2006 Storlink, Corp.
+ * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * 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 __MACH_IRQS_H__
+#define __MACH_IRQS_H__
+
+#define IRQ_SERIRQ1 31
+#define IRQ_SERIRQ0 30
+#define IRQ_PCID 29
+#define IRQ_PCIC 28
+#define IRQ_PCIB 27
+#define IRQ_PWR 26
+#define IRQ_CIR 25
+#define IRQ_GPIO(x) (22 + (x))
+#define IRQ_SSP 21
+#define IRQ_LPC 20
+#define IRQ_LCD 19
+#define IRQ_UART 18
+#define IRQ_RTC 17
+#define IRQ_TIMER3 16
+#define IRQ_TIMER2 15
+#define IRQ_TIMER1 14
+#define IRQ_FLASH 12
+#define IRQ_USB1 11
+#define IRQ_USB0 10
+#define IRQ_DMA 9
+#define IRQ_PCI 8
+#define IRQ_IPSEC 7
+#define IRQ_RAID 6
+#define IRQ_IDE1 5
+#define IRQ_IDE0 4
+#define IRQ_WATCHDOG 3
+#define IRQ_GMAC1 2
+#define IRQ_GMAC0 1
+#define IRQ_IPI 0
+
+#define NORMAL_IRQ_NUM 32
+
+#define GPIO_IRQ_BASE NORMAL_IRQ_NUM
+#define GPIO_IRQ_NUM (3 * 32)
+
+#define ARCH_TIMER_IRQ IRQ_TIMER2
+
+#define NR_IRQS (NORMAL_IRQ_NUM + GPIO_IRQ_NUM)
+
+#endif /* __MACH_IRQS_H__ */
diff --git a/arch/arm/mach-gemini/include/mach/uncompress.h b/arch/arm/mach-gemini/include/mach/uncompress.h
new file mode 100644
index 000000000..02e225673
--- /dev/null
+++ b/arch/arm/mach-gemini/include/mach/uncompress.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * Based on mach-pxa/include/mach/uncompress.h:
+ * Copyright: (C) 2001 MontaVista Software Inc.
+ *
+ * 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 __MACH_UNCOMPRESS_H
+#define __MACH_UNCOMPRESS_H
+
+#include <linux/serial_reg.h>
+#include <mach/hardware.h>
+
+static volatile unsigned long * const UART = (unsigned long *)GEMINI_UART_BASE;
+
+/*
+ * The following code assumes the serial port has already been
+ * initialized by the bootloader. If you didn't setup a port in
+ * your bootloader then nothing will appear (which might be desired).
+ */
+static inline void putc(char c)
+{
+ while (!(UART[UART_LSR] & UART_LSR_THRE))
+ barrier();
+ UART[UART_TX] = c;
+}
+
+static inline void flush(void)
+{
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+
+#endif /* __MACH_UNCOMPRESS_H */