pl080.h: moved from arm/include/asm/hardware to include/linux/amba/

The header is used by drivers/dma/amba-pl08x.c, which can be compiled
under x86, where PL080 exists under a PCI-to-AMBA bridge. This patche
moves it where it can be accessed by other architectures, and fixes
all users.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 146 insertions, 0 deletions

diff --git a/include/linux/amba/pl080.h b/include/linux/amba/pl080.h
new file mode 100644
index 000000000000..3e7b62fbefbd
--- /dev/null
+++ b/include/linux/amba/pl080.h
@@ -0,0 +1,146 @@
+/* include/linux/amba/pl080.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      http://armlinux.simtec.co.uk/
+ *      Ben Dooks <ben@simtec.co.uk>
+ *
+ * ARM PrimeCell PL080 DMA controller
+ *
+ * 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.
+*/
+
+/* Note, there are some Samsung updates to this controller block which
+ * make it not entierly compatible with the PL080 specification from
+ * ARM. When in doubt, check the Samsung documentation first.
+ *
+ * The Samsung defines are PL080S, and add an extra control register,
+ * the ability to move more than 2^11 counts of data and some extra
+ * OneNAND features.
+*/
+
+#ifndef ASM_PL080_H
+#define ASM_PL080_H
+
+#define PL080_INT_STATUS                        (0x00)
+#define PL080_TC_STATUS                         (0x04)
+#define PL080_TC_CLEAR                          (0x08)
+#define PL080_ERR_STATUS                        (0x0C)
+#define PL080_ERR_CLEAR                         (0x10)
+#define PL080_RAW_TC_STATUS                     (0x14)
+#define PL080_RAW_ERR_STATUS                    (0x18)
+#define PL080_EN_CHAN                           (0x1c)
+#define PL080_SOFT_BREQ                         (0x20)
+#define PL080_SOFT_SREQ                         (0x24)
+#define PL080_SOFT_LBREQ                        (0x28)
+#define PL080_SOFT_LSREQ                        (0x2C)
+
+#define PL080_CONFIG                            (0x30)
+#define PL080_CONFIG_M2_BE                      (1 << 2)
+#define PL080_CONFIG_M1_BE                      (1 << 1)
+#define PL080_CONFIG_ENABLE                     (1 << 0)
+
+#define PL080_SYNC                              (0x34)
+
+/* Per channel configuration registers */
+
+#define PL080_Cx_STRIDE                         (0x20)
+#define PL080_Cx_BASE(x)                        ((0x100 + (x * 0x20)))
+#define PL080_Cx_SRC_ADDR(x)                    ((0x100 + (x * 0x20)))
+#define PL080_Cx_DST_ADDR(x)                    ((0x104 + (x * 0x20)))
+#define PL080_Cx_LLI(x)                         ((0x108 + (x * 0x20)))
+#define PL080_Cx_CONTROL(x)                     ((0x10C + (x * 0x20)))
+#define PL080_Cx_CONFIG(x)                      ((0x110 + (x * 0x20)))
+#define PL080S_Cx_CONTROL2(x)                   ((0x110 + (x * 0x20)))
+#define PL080S_Cx_CONFIG(x)                     ((0x114 + (x * 0x20)))
+
+#define PL080_CH_SRC_ADDR                       (0x00)
+#define PL080_CH_DST_ADDR                       (0x04)
+#define PL080_CH_LLI                            (0x08)
+#define PL080_CH_CONTROL                        (0x0C)
+#define PL080_CH_CONFIG                         (0x10)
+#define PL080S_CH_CONTROL2                      (0x10)
+#define PL080S_CH_CONFIG                        (0x14)
+
+#define PL080_LLI_ADDR_MASK                     (0x3fffffff << 2)
+#define PL080_LLI_ADDR_SHIFT                    (2)
+#define PL080_LLI_LM_AHB2                       (1 << 0)
+
+#define PL080_CONTROL_TC_IRQ_EN                 (1 << 31)
+#define PL080_CONTROL_PROT_MASK                 (0x7 << 28)
+#define PL080_CONTROL_PROT_SHIFT                (28)
+#define PL080_CONTROL_PROT_CACHE                (1 << 30)
+#define PL080_CONTROL_PROT_BUFF                 (1 << 29)
+#define PL080_CONTROL_PROT_SYS                  (1 << 28)
+#define PL080_CONTROL_DST_INCR                  (1 << 27)
+#define PL080_CONTROL_SRC_INCR                  (1 << 26)
+#define PL080_CONTROL_DST_AHB2                  (1 << 25)
+#define PL080_CONTROL_SRC_AHB2                  (1 << 24)
+#define PL080_CONTROL_DWIDTH_MASK               (0x7 << 21)
+#define PL080_CONTROL_DWIDTH_SHIFT              (21)
+#define PL080_CONTROL_SWIDTH_MASK               (0x7 << 18)
+#define PL080_CONTROL_SWIDTH_SHIFT              (18)
+#define PL080_CONTROL_DB_SIZE_MASK              (0x7 << 15)
+#define PL080_CONTROL_DB_SIZE_SHIFT             (15)
+#define PL080_CONTROL_SB_SIZE_MASK              (0x7 << 12)
+#define PL080_CONTROL_SB_SIZE_SHIFT             (12)
+#define PL080_CONTROL_TRANSFER_SIZE_MASK        (0xfff << 0)
+#define PL080_CONTROL_TRANSFER_SIZE_SHIFT       (0)
+
+#define PL080_BSIZE_1                           (0x0)
+#define PL080_BSIZE_4                           (0x1)
+#define PL080_BSIZE_8                           (0x2)
+#define PL080_BSIZE_16                          (0x3)
+#define PL080_BSIZE_32                          (0x4)
+#define PL080_BSIZE_64                          (0x5)
+#define PL080_BSIZE_128                         (0x6)
+#define PL080_BSIZE_256                         (0x7)
+
+#define PL080_WIDTH_8BIT                        (0x0)
+#define PL080_WIDTH_16BIT                       (0x1)
+#define PL080_WIDTH_32BIT                       (0x2)
+
+#define PL080N_CONFIG_ITPROT                    (1 << 20)
+#define PL080N_CONFIG_SECPROT                   (1 << 19)
+#define PL080_CONFIG_HALT                       (1 << 18)
+#define PL080_CONFIG_ACTIVE                     (1 << 17)  /* RO */
+#define PL080_CONFIG_LOCK                       (1 << 16)
+#define PL080_CONFIG_TC_IRQ_MASK                (1 << 15)
+#define PL080_CONFIG_ERR_IRQ_MASK               (1 << 14)
+#define PL080_CONFIG_FLOW_CONTROL_MASK          (0x7 << 11)
+#define PL080_CONFIG_FLOW_CONTROL_SHIFT         (11)
+#define PL080_CONFIG_DST_SEL_MASK               (0xf << 6)
+#define PL080_CONFIG_DST_SEL_SHIFT              (6)
+#define PL080_CONFIG_SRC_SEL_MASK               (0xf << 1)
+#define PL080_CONFIG_SRC_SEL_SHIFT              (1)
+#define PL080_CONFIG_ENABLE                     (1 << 0)
+
+#define PL080_FLOW_MEM2MEM                      (0x0)
+#define PL080_FLOW_MEM2PER                      (0x1)
+#define PL080_FLOW_PER2MEM                      (0x2)
+#define PL080_FLOW_SRC2DST                      (0x3)
+#define PL080_FLOW_SRC2DST_DST                  (0x4)
+#define PL080_FLOW_MEM2PER_PER                  (0x5)
+#define PL080_FLOW_PER2MEM_PER                  (0x6)
+#define PL080_FLOW_SRC2DST_SRC                  (0x7)
+
+/* DMA linked list chain structure */
+
+struct pl080_lli {
+        u32     src_addr;
+        u32     dst_addr;
+        u32     next_lli;
+        u32     control0;
+};
+
+struct pl080s_lli {
+        u32     src_addr;
+        u32     dst_addr;
+        u32     next_lli;
+        u32     control0;
+        u32     control1;
+};
+
+#endif /* ASM_PL080_H */