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-rw-r--r--arch/arm/include/asm/cp15.h14
-rw-r--r--arch/arm/include/asm/hardware/pci_v3.h186
-rw-r--r--arch/arm/include/asm/mach/pci.h17
-rw-r--r--arch/arm/include/asm/pgtable-nommu.h2
-rw-r--r--arch/arm/include/asm/pgtable.h7
-rw-r--r--arch/arm/include/debug/imx-uart.h10
-rw-r--r--arch/arm/include/debug/keystone.S43
-rw-r--r--arch/arm/include/debug/mvebu.S5
-rw-r--r--arch/arm/include/debug/nspire.S28
-rw-r--r--arch/arm/include/debug/rockchip.S42
-rw-r--r--arch/arm/include/debug/sti.S61
-rw-r--r--arch/arm/include/debug/u300.S18
12 files changed, 232 insertions, 201 deletions
diff --git a/arch/arm/include/asm/cp15.h b/arch/arm/include/asm/cp15.h
index a524a23d8627..6493802f880a 100644
--- a/arch/arm/include/asm/cp15.h
+++ b/arch/arm/include/asm/cp15.h
@@ -66,6 +66,20 @@ static inline void set_cr(unsigned int val)
isb();
}
+static inline unsigned int get_auxcr(void)
+{
+ unsigned int val;
+ asm("mrc p15, 0, %0, c1, c0, 1 @ get AUXCR" : "=r" (val));
+ return val;
+}
+
+static inline void set_auxcr(unsigned int val)
+{
+ asm volatile("mcr p15, 0, %0, c1, c0, 1 @ set AUXCR"
+ : : "r" (val));
+ isb();
+}
+
#ifndef CONFIG_SMP
extern void adjust_cr(unsigned long mask, unsigned long set);
#endif
diff --git a/arch/arm/include/asm/hardware/pci_v3.h b/arch/arm/include/asm/hardware/pci_v3.h
deleted file mode 100644
index 2811c7e2cfdf..000000000000
--- a/arch/arm/include/asm/hardware/pci_v3.h
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * arch/arm/include/asm/hardware/pci_v3.h
- *
- * Internal header file PCI V3 chip
- *
- * Copyright (C) ARM Limited
- * Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
- *
- * 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
- */
-#ifndef ASM_ARM_HARDWARE_PCI_V3_H
-#define ASM_ARM_HARDWARE_PCI_V3_H
-
-/* -------------------------------------------------------------------------------
- * V3 Local Bus to PCI Bridge definitions
- * -------------------------------------------------------------------------------
- * Registers (these are taken from page 129 of the EPC User's Manual Rev 1.04
- * All V3 register names are prefaced by V3_ to avoid clashing with any other
- * PCI definitions. Their names match the user's manual.
- *
- * I'm assuming that I20 is disabled.
- *
- */
-#define V3_PCI_VENDOR 0x00000000
-#define V3_PCI_DEVICE 0x00000002
-#define V3_PCI_CMD 0x00000004
-#define V3_PCI_STAT 0x00000006
-#define V3_PCI_CC_REV 0x00000008
-#define V3_PCI_HDR_CFG 0x0000000C
-#define V3_PCI_IO_BASE 0x00000010
-#define V3_PCI_BASE0 0x00000014
-#define V3_PCI_BASE1 0x00000018
-#define V3_PCI_SUB_VENDOR 0x0000002C
-#define V3_PCI_SUB_ID 0x0000002E
-#define V3_PCI_ROM 0x00000030
-#define V3_PCI_BPARAM 0x0000003C
-#define V3_PCI_MAP0 0x00000040
-#define V3_PCI_MAP1 0x00000044
-#define V3_PCI_INT_STAT 0x00000048
-#define V3_PCI_INT_CFG 0x0000004C
-#define V3_LB_BASE0 0x00000054
-#define V3_LB_BASE1 0x00000058
-#define V3_LB_MAP0 0x0000005E
-#define V3_LB_MAP1 0x00000062
-#define V3_LB_BASE2 0x00000064
-#define V3_LB_MAP2 0x00000066
-#define V3_LB_SIZE 0x00000068
-#define V3_LB_IO_BASE 0x0000006E
-#define V3_FIFO_CFG 0x00000070
-#define V3_FIFO_PRIORITY 0x00000072
-#define V3_FIFO_STAT 0x00000074
-#define V3_LB_ISTAT 0x00000076
-#define V3_LB_IMASK 0x00000077
-#define V3_SYSTEM 0x00000078
-#define V3_LB_CFG 0x0000007A
-#define V3_PCI_CFG 0x0000007C
-#define V3_DMA_PCI_ADR0 0x00000080
-#define V3_DMA_PCI_ADR1 0x00000090
-#define V3_DMA_LOCAL_ADR0 0x00000084
-#define V3_DMA_LOCAL_ADR1 0x00000094
-#define V3_DMA_LENGTH0 0x00000088
-#define V3_DMA_LENGTH1 0x00000098
-#define V3_DMA_CSR0 0x0000008B
-#define V3_DMA_CSR1 0x0000009B
-#define V3_DMA_CTLB_ADR0 0x0000008C
-#define V3_DMA_CTLB_ADR1 0x0000009C
-#define V3_DMA_DELAY 0x000000E0
-#define V3_MAIL_DATA 0x000000C0
-#define V3_PCI_MAIL_IEWR 0x000000D0
-#define V3_PCI_MAIL_IERD 0x000000D2
-#define V3_LB_MAIL_IEWR 0x000000D4
-#define V3_LB_MAIL_IERD 0x000000D6
-#define V3_MAIL_WR_STAT 0x000000D8
-#define V3_MAIL_RD_STAT 0x000000DA
-#define V3_QBA_MAP 0x000000DC
-
-/* PCI COMMAND REGISTER bits
- */
-#define V3_COMMAND_M_FBB_EN (1 << 9)
-#define V3_COMMAND_M_SERR_EN (1 << 8)
-#define V3_COMMAND_M_PAR_EN (1 << 6)
-#define V3_COMMAND_M_MASTER_EN (1 << 2)
-#define V3_COMMAND_M_MEM_EN (1 << 1)
-#define V3_COMMAND_M_IO_EN (1 << 0)
-
-/* SYSTEM REGISTER bits
- */
-#define V3_SYSTEM_M_RST_OUT (1 << 15)
-#define V3_SYSTEM_M_LOCK (1 << 14)
-
-/* PCI_CFG bits
- */
-#define V3_PCI_CFG_M_I2O_EN (1 << 15)
-#define V3_PCI_CFG_M_IO_REG_DIS (1 << 14)
-#define V3_PCI_CFG_M_IO_DIS (1 << 13)
-#define V3_PCI_CFG_M_EN3V (1 << 12)
-#define V3_PCI_CFG_M_RETRY_EN (1 << 10)
-#define V3_PCI_CFG_M_AD_LOW1 (1 << 9)
-#define V3_PCI_CFG_M_AD_LOW0 (1 << 8)
-
-/* PCI_BASE register bits (PCI -> Local Bus)
- */
-#define V3_PCI_BASE_M_ADR_BASE 0xFFF00000
-#define V3_PCI_BASE_M_ADR_BASEL 0x000FFF00
-#define V3_PCI_BASE_M_PREFETCH (1 << 3)
-#define V3_PCI_BASE_M_TYPE (3 << 1)
-#define V3_PCI_BASE_M_IO (1 << 0)
-
-/* PCI MAP register bits (PCI -> Local bus)
- */
-#define V3_PCI_MAP_M_MAP_ADR 0xFFF00000
-#define V3_PCI_MAP_M_RD_POST_INH (1 << 15)
-#define V3_PCI_MAP_M_ROM_SIZE (3 << 10)
-#define V3_PCI_MAP_M_SWAP (3 << 8)
-#define V3_PCI_MAP_M_ADR_SIZE 0x000000F0
-#define V3_PCI_MAP_M_REG_EN (1 << 1)
-#define V3_PCI_MAP_M_ENABLE (1 << 0)
-
-/*
- * LB_BASE0,1 register bits (Local bus -> PCI)
- */
-#define V3_LB_BASE_ADR_BASE 0xfff00000
-#define V3_LB_BASE_SWAP (3 << 8)
-#define V3_LB_BASE_ADR_SIZE (15 << 4)
-#define V3_LB_BASE_PREFETCH (1 << 3)
-#define V3_LB_BASE_ENABLE (1 << 0)
-
-#define V3_LB_BASE_ADR_SIZE_1MB (0 << 4)
-#define V3_LB_BASE_ADR_SIZE_2MB (1 << 4)
-#define V3_LB_BASE_ADR_SIZE_4MB (2 << 4)
-#define V3_LB_BASE_ADR_SIZE_8MB (3 << 4)
-#define V3_LB_BASE_ADR_SIZE_16MB (4 << 4)
-#define V3_LB_BASE_ADR_SIZE_32MB (5 << 4)
-#define V3_LB_BASE_ADR_SIZE_64MB (6 << 4)
-#define V3_LB_BASE_ADR_SIZE_128MB (7 << 4)
-#define V3_LB_BASE_ADR_SIZE_256MB (8 << 4)
-#define V3_LB_BASE_ADR_SIZE_512MB (9 << 4)
-#define V3_LB_BASE_ADR_SIZE_1GB (10 << 4)
-#define V3_LB_BASE_ADR_SIZE_2GB (11 << 4)
-
-#define v3_addr_to_lb_base(a) ((a) & V3_LB_BASE_ADR_BASE)
-
-/*
- * LB_MAP0,1 register bits (Local bus -> PCI)
- */
-#define V3_LB_MAP_MAP_ADR 0xfff0
-#define V3_LB_MAP_TYPE (7 << 1)
-#define V3_LB_MAP_AD_LOW_EN (1 << 0)
-
-#define V3_LB_MAP_TYPE_IACK (0 << 1)
-#define V3_LB_MAP_TYPE_IO (1 << 1)
-#define V3_LB_MAP_TYPE_MEM (3 << 1)
-#define V3_LB_MAP_TYPE_CONFIG (5 << 1)
-#define V3_LB_MAP_TYPE_MEM_MULTIPLE (6 << 1)
-
-#define v3_addr_to_lb_map(a) (((a) >> 16) & V3_LB_MAP_MAP_ADR)
-
-/*
- * LB_BASE2 register bits (Local bus -> PCI IO)
- */
-#define V3_LB_BASE2_ADR_BASE 0xff00
-#define V3_LB_BASE2_SWAP (3 << 6)
-#define V3_LB_BASE2_ENABLE (1 << 0)
-
-#define v3_addr_to_lb_base2(a) (((a) >> 16) & V3_LB_BASE2_ADR_BASE)
-
-/*
- * LB_MAP2 register bits (Local bus -> PCI IO)
- */
-#define V3_LB_MAP2_MAP_ADR 0xff00
-
-#define v3_addr_to_lb_map2(a) (((a) >> 16) & V3_LB_MAP2_MAP_ADR)
-
-#endif
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h
index 7d2c3c843801..a1c90d7feb0e 100644
--- a/arch/arm/include/asm/mach/pci.h
+++ b/arch/arm/include/asm/mach/pci.h
@@ -16,6 +16,7 @@
struct pci_sys_data;
struct pci_ops;
struct pci_bus;
+struct device;
struct hw_pci {
#ifdef CONFIG_PCI_DOMAINS
@@ -68,7 +69,16 @@ struct pci_sys_data {
/*
* Call this with your hw_pci struct to initialise the PCI system.
*/
-void pci_common_init(struct hw_pci *);
+void pci_common_init_dev(struct device *, struct hw_pci *);
+
+/*
+ * Compatibility wrapper for older platforms that do not care about
+ * passing the parent device.
+ */
+static inline void pci_common_init(struct hw_pci *hw)
+{
+ pci_common_init_dev(NULL, hw);
+}
/*
* Setup early fixed I/O mapping.
@@ -96,9 +106,4 @@ extern struct pci_ops via82c505_ops;
extern int via82c505_setup(int nr, struct pci_sys_data *);
extern void via82c505_init(void *sysdata);
-extern struct pci_ops pci_v3_ops;
-extern int pci_v3_setup(int nr, struct pci_sys_data *);
-extern void pci_v3_preinit(void);
-extern void pci_v3_postinit(void);
-
#endif /* __ASM_MACH_PCI_H */
diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index 7ec60d6075bf..0642228ff785 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -79,8 +79,6 @@ extern unsigned int kobjsize(const void *objp);
* No page table caches to initialise.
*/
#define pgtable_cache_init() do { } while (0)
-#define io_remap_pfn_range remap_pfn_range
-
/*
* All 32bit addresses are effectively valid for vmalloc...
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index eaedce7b7e3a..04aeb02d2e11 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -321,13 +321,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#define HAVE_ARCH_UNMAPPED_AREA
#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
-/*
- * remap a physical page `pfn' of size `size' with page protection `prot'
- * into virtual address `from'
- */
-#define io_remap_pfn_range(vma,from,pfn,size,prot) \
- remap_pfn_range(vma, from, pfn, size, prot)
-
#define pgtable_cache_init() do { } while (0)
#endif /* !__ASSEMBLY__ */
diff --git a/arch/arm/include/debug/imx-uart.h b/arch/arm/include/debug/imx-uart.h
index 91d38e38a0b4..29da84e183f4 100644
--- a/arch/arm/include/debug/imx-uart.h
+++ b/arch/arm/include/debug/imx-uart.h
@@ -65,6 +65,14 @@
#define IMX6Q_UART_BASE_ADDR(n) IMX6Q_UART##n##_BASE_ADDR
#define IMX6Q_UART_BASE(n) IMX6Q_UART_BASE_ADDR(n)
+#define IMX6SL_UART1_BASE_ADDR 0x02020000
+#define IMX6SL_UART2_BASE_ADDR 0x02024000
+#define IMX6SL_UART3_BASE_ADDR 0x02034000
+#define IMX6SL_UART4_BASE_ADDR 0x02038000
+#define IMX6SL_UART5_BASE_ADDR 0x02018000
+#define IMX6SL_UART_BASE_ADDR(n) IMX6SL_UART##n##_BASE_ADDR
+#define IMX6SL_UART_BASE(n) IMX6SL_UART_BASE_ADDR(n)
+
#define IMX_DEBUG_UART_BASE(soc) soc##_UART_BASE(CONFIG_DEBUG_IMX_UART_PORT)
#ifdef CONFIG_DEBUG_IMX1_UART
@@ -83,6 +91,8 @@
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX53)
#elif defined(CONFIG_DEBUG_IMX6Q_UART)
#define UART_PADDR IMX_DEBUG_UART_BASE(IMX6Q)
+#elif defined(CONFIG_DEBUG_IMX6SL_UART)
+#define UART_PADDR IMX_DEBUG_UART_BASE(IMX6SL)
#endif
#endif /* __DEBUG_IMX_UART_H */
diff --git a/arch/arm/include/debug/keystone.S b/arch/arm/include/debug/keystone.S
new file mode 100644
index 000000000000..9aef9ba3f4f0
--- /dev/null
+++ b/arch/arm/include/debug/keystone.S
@@ -0,0 +1,43 @@
+/*
+ * Early serial debug output macro for Keystone SOCs
+ *
+ * Copyright 2013 Texas Instruments, Inc.
+ * Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * Based on RMKs low level debug code.
+ * Copyright (C) 1994-1999 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/serial_reg.h>
+
+#define UART_SHIFT 2
+#if defined(CONFIG_DEBUG_KEYSTONE_UART0)
+#define UART_PHYS 0x02530c00
+#define UART_VIRT 0xfeb30c00
+#elif defined(CONFIG_DEBUG_KEYSTONE_UART1)
+#define UART_PHYS 0x02531000
+#define UART_VIRT 0xfeb31000
+#endif
+
+ .macro addruart, rp, rv, tmp
+ ldr \rv, =UART_VIRT @ physical base address
+ ldr \rp, =UART_PHYS @ virtual base address
+ .endm
+
+ .macro senduart,rd,rx
+ str \rd, [\rx, #UART_TX << UART_SHIFT]
+ .endm
+
+ .macro busyuart,rd,rx
+1002: ldr \rd, [\rx, #UART_LSR << UART_SHIFT]
+ and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
+ teq \rd, #UART_LSR_TEMT | UART_LSR_THRE
+ bne 1002b
+ .endm
+
+ .macro waituart,rd,rx
+ .endm
diff --git a/arch/arm/include/debug/mvebu.S b/arch/arm/include/debug/mvebu.S
index df191afa3be1..6517311a1c91 100644
--- a/arch/arm/include/debug/mvebu.S
+++ b/arch/arm/include/debug/mvebu.S
@@ -11,7 +11,12 @@
* published by the Free Software Foundation.
*/
+#ifdef CONFIG_DEBUG_MVEBU_UART_ALTERNATE
+#define ARMADA_370_XP_REGS_PHYS_BASE 0xf1000000
+#else
#define ARMADA_370_XP_REGS_PHYS_BASE 0xd0000000
+#endif
+
#define ARMADA_370_XP_REGS_VIRT_BASE 0xfec00000
.macro addruart, rp, rv, tmp
diff --git a/arch/arm/include/debug/nspire.S b/arch/arm/include/debug/nspire.S
new file mode 100644
index 000000000000..886fd276fcbc
--- /dev/null
+++ b/arch/arm/include/debug/nspire.S
@@ -0,0 +1,28 @@
+/*
+ * linux/arch/arm/include/debug/nspire.S
+ *
+ * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#define NSPIRE_EARLY_UART_PHYS_BASE 0x90020000
+#define NSPIRE_EARLY_UART_VIRT_BASE 0xfee20000
+
+.macro addruart, rp, rv, tmp
+ ldr \rp, =(NSPIRE_EARLY_UART_PHYS_BASE) @ physical base address
+ ldr \rv, =(NSPIRE_EARLY_UART_VIRT_BASE) @ virtual base address
+.endm
+
+
+#ifdef CONFIG_DEBUG_NSPIRE_CX_UART
+#include <asm/hardware/debug-pl01x.S>
+#endif
+
+#ifdef CONFIG_DEBUG_NSPIRE_CLASSIC_UART
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>
+#endif
diff --git a/arch/arm/include/debug/rockchip.S b/arch/arm/include/debug/rockchip.S
new file mode 100644
index 000000000000..cfd883e69588
--- /dev/null
+++ b/arch/arm/include/debug/rockchip.S
@@ -0,0 +1,42 @@
+/*
+ * Early serial output macro for Rockchip SoCs
+ *
+ * Copyright (C) 2012 Maxime Ripard
+ *
+ * Maxime Ripard <maxime.ripard@free-electrons.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#if defined(CONFIG_DEBUG_RK29_UART0)
+#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20060000
+#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed60000
+#elif defined(CONFIG_DEBUG_RK29_UART1)
+#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20064000
+#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed64000
+#elif defined(CONFIG_DEBUG_RK29_UART2)
+#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20068000
+#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed68000
+#elif defined(CONFIG_DEBUG_RK3X_UART0)
+#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x10124000
+#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfeb24000
+#elif defined(CONFIG_DEBUG_RK3X_UART1)
+#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x10126000
+#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfeb26000
+#elif defined(CONFIG_DEBUG_RK3X_UART2)
+#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20064000
+#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed64000
+#elif defined(CONFIG_DEBUG_RK3X_UART3)
+#define ROCKCHIP_UART_DEBUG_PHYS_BASE 0x20068000
+#define ROCKCHIP_UART_DEBUG_VIRT_BASE 0xfed68000
+#endif
+
+ .macro addruart, rp, rv, tmp
+ ldr \rp, =ROCKCHIP_UART_DEBUG_PHYS_BASE
+ ldr \rv, =ROCKCHIP_UART_DEBUG_VIRT_BASE
+ .endm
+
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/include/debug/sti.S b/arch/arm/include/debug/sti.S
new file mode 100644
index 000000000000..e3aa58ff1776
--- /dev/null
+++ b/arch/arm/include/debug/sti.S
@@ -0,0 +1,61 @@
+/*
+ * arch/arm/include/debug/sti.S
+ *
+ * Debugging macro include header
+ * Copyright (C) 2013 STMicroelectronics (R&D) Limited.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#define STIH41X_COMMS_BASE 0xfed00000
+#define STIH41X_ASC2_BASE (STIH41X_COMMS_BASE+0x32000)
+
+#define STIH41X_SBC_LPM_BASE 0xfe400000
+#define STIH41X_SBC_COMMS_BASE (STIH41X_SBC_LPM_BASE + 0x100000)
+#define STIH41X_SBC_ASC1_BASE (STIH41X_SBC_COMMS_BASE + 0x31000)
+
+
+#define VIRT_ADDRESS(x) (x - 0x1000000)
+
+#if IS_ENABLED(CONFIG_STIH41X_DEBUG_ASC2)
+#define DEBUG_LL_UART_BASE STIH41X_ASC2_BASE
+#endif
+
+#if IS_ENABLED(CONFIG_STIH41X_DEBUG_SBC_ASC1)
+#define DEBUG_LL_UART_BASE STIH41X_SBC_ASC1_BASE
+#endif
+
+#ifndef DEBUG_LL_UART_BASE
+#error "DEBUG UART is not Configured"
+#endif
+
+#define ASC_TX_BUF_OFF 0x04
+#define ASC_CTRL_OFF 0x0c
+#define ASC_STA_OFF 0x14
+
+#define ASC_STA_TX_FULL (1<<9)
+#define ASC_STA_TX_EMPTY (1<<1)
+
+
+ .macro addruart, rp, rv, tmp
+ ldr \rp, =DEBUG_LL_UART_BASE @ physical base
+ ldr \rv, =VIRT_ADDRESS(DEBUG_LL_UART_BASE) @ virt base
+ .endm
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx, #ASC_TX_BUF_OFF]
+ .endm
+
+ .macro waituart,rd,rx
+1001: ldr \rd, [\rx, #ASC_STA_OFF]
+ tst \rd, #ASC_STA_TX_FULL
+ bne 1001b
+ .endm
+
+ .macro busyuart,rd,rx
+1001: ldr \rd, [\rx, #ASC_STA_OFF]
+ tst \rd, #ASC_STA_TX_EMPTY
+ beq 1001b
+ .endm
diff --git a/arch/arm/include/debug/u300.S b/arch/arm/include/debug/u300.S
new file mode 100644
index 000000000000..6f04f08a203c
--- /dev/null
+++ b/arch/arm/include/debug/u300.S
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2006-2013 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Debugging macro include header.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ */
+#define U300_SLOW_PER_PHYS_BASE 0xc0010000
+#define U300_SLOW_PER_VIRT_BASE 0xff000000
+
+ .macro addruart, rp, rv, tmp
+ /* If we move the address using MMU, use this. */
+ ldr \rp, = U300_SLOW_PER_PHYS_BASE @ MMU off, physical address
+ ldr \rv, = U300_SLOW_PER_VIRT_BASE @ MMU on, virtual address
+ orr \rp, \rp, #0x00003000
+ orr \rv, \rv, #0x00003000
+ .endm
+
+#include <asm/hardware/debug-pl01x.S>
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