kernel: copy kernel 4.19 code to 5.4
[oweals/openwrt.git] / target / linux / generic / backport-5.4 / 460-v5.3-mtd-spinand-Define-macros-for-page-read-ops-with-thr.patch
1 From d014717d50b1efd011a3a028ce92563a4dc9bae5 Mon Sep 17 00:00:00 2001
2 From: Jeff Kletsky <git-commits@allycomm.com>
3 Date: Wed, 22 May 2019 15:05:53 -0700
4 Subject: [PATCH 1/3] mtd: spinand: Define macros for page-read ops with
5  three-byte addresses
6
7 The GigaDevice GD5F1GQ4UFxxG SPI NAND utilizes three-byte addresses
8 for its page-read ops.
9
10 http://www.gigadevice.com/datasheet/gd5f1gq4xfxxg/
11
12 Signed-off-by: Jeff Kletsky <git-commits@allycomm.com>
13 Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
14 Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
15 ---
16  include/linux/mtd/spinand.h | 30 ++++++++++++++++++++++++++++++
17  1 file changed, 30 insertions(+)
18
19 --- a/include/linux/mtd/spinand.h
20 +++ b/include/linux/mtd/spinand.h
21 @@ -68,30 +68,60 @@
22                    SPI_MEM_OP_DUMMY(ndummy, 1),                         \
23                    SPI_MEM_OP_DATA_IN(len, buf, 1))
24  
25 +#define SPINAND_PAGE_READ_FROM_CACHE_OP_3A(fast, addr, ndummy, buf, len) \
26 +       SPI_MEM_OP(SPI_MEM_OP_CMD(fast ? 0x0b : 0x03, 1),               \
27 +                  SPI_MEM_OP_ADDR(3, addr, 1),                         \
28 +                  SPI_MEM_OP_DUMMY(ndummy, 1),                         \
29 +                  SPI_MEM_OP_DATA_IN(len, buf, 1))
30 +
31  #define SPINAND_PAGE_READ_FROM_CACHE_X2_OP(addr, ndummy, buf, len)     \
32         SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),                             \
33                    SPI_MEM_OP_ADDR(2, addr, 1),                         \
34                    SPI_MEM_OP_DUMMY(ndummy, 1),                         \
35                    SPI_MEM_OP_DATA_IN(len, buf, 2))
36  
37 +#define SPINAND_PAGE_READ_FROM_CACHE_X2_OP_3A(addr, ndummy, buf, len)  \
38 +       SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),                             \
39 +                  SPI_MEM_OP_ADDR(3, addr, 1),                         \
40 +                  SPI_MEM_OP_DUMMY(ndummy, 1),                         \
41 +                  SPI_MEM_OP_DATA_IN(len, buf, 2))
42 +
43  #define SPINAND_PAGE_READ_FROM_CACHE_X4_OP(addr, ndummy, buf, len)     \
44         SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),                             \
45                    SPI_MEM_OP_ADDR(2, addr, 1),                         \
46                    SPI_MEM_OP_DUMMY(ndummy, 1),                         \
47                    SPI_MEM_OP_DATA_IN(len, buf, 4))
48  
49 +#define SPINAND_PAGE_READ_FROM_CACHE_X4_OP_3A(addr, ndummy, buf, len)  \
50 +       SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),                             \
51 +                  SPI_MEM_OP_ADDR(3, addr, 1),                         \
52 +                  SPI_MEM_OP_DUMMY(ndummy, 1),                         \
53 +                  SPI_MEM_OP_DATA_IN(len, buf, 4))
54 +
55  #define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(addr, ndummy, buf, len) \
56         SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1),                             \
57                    SPI_MEM_OP_ADDR(2, addr, 2),                         \
58                    SPI_MEM_OP_DUMMY(ndummy, 2),                         \
59                    SPI_MEM_OP_DATA_IN(len, buf, 2))
60  
61 +#define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP_3A(addr, ndummy, buf, len) \
62 +       SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1),                             \
63 +                  SPI_MEM_OP_ADDR(3, addr, 2),                         \
64 +                  SPI_MEM_OP_DUMMY(ndummy, 2),                         \
65 +                  SPI_MEM_OP_DATA_IN(len, buf, 2))
66 +
67  #define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(addr, ndummy, buf, len) \
68         SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1),                             \
69                    SPI_MEM_OP_ADDR(2, addr, 4),                         \
70                    SPI_MEM_OP_DUMMY(ndummy, 4),                         \
71                    SPI_MEM_OP_DATA_IN(len, buf, 4))
72  
73 +#define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP_3A(addr, ndummy, buf, len) \
74 +       SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1),                             \
75 +                  SPI_MEM_OP_ADDR(3, addr, 4),                         \
76 +                  SPI_MEM_OP_DUMMY(ndummy, 4),                         \
77 +                  SPI_MEM_OP_DATA_IN(len, buf, 4))
78 +
79  #define SPINAND_PROG_EXEC_OP(addr)                                     \
80         SPI_MEM_OP(SPI_MEM_OP_CMD(0x10, 1),                             \
81                    SPI_MEM_OP_ADDR(3, addr, 1),                         \