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authorVipin Kumar <vipin.kumar@st.com>2012-03-14 02:17:19 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-03-26 20:00:30 -0400
commit2a5dbead29a7c081a47133eb428440147a6d8d5a (patch)
tree75a021aeeac80fa720375a7845d27ba412d3b12f /include/linux/mtd
parent4774fb0a48aacfec206e6d54ecf58706f6a5320a (diff)
mtd: nand/fsmc: Remove sparse warnings and errors
This patch removes the sparse below warnings and errors for nand/fsmc driver /root/vipin/spear/kernel/3.3/linux-3.3/drivers/mtd/nand/fsmc_nand.c:363:31: warning: incorrect type in initializer (different address spaces) /root/vipin/spear/kernel/3.3/linux-3.3/drivers/mtd/nand/fsmc_nand.c:363:31: expected struct fsmc_regs *regs /root/vipin/spear/kernel/3.3/linux-3.3/drivers/mtd/nand/fsmc_nand.c:363:31: got void [noderef] <asn:2>*regs_va [...] Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include/linux/mtd')
-rw-r--r--include/linux/mtd/fsmc.h143
1 files changed, 66 insertions, 77 deletions
diff --git a/include/linux/mtd/fsmc.h b/include/linux/mtd/fsmc.h
index 18f9127a6631..823359c0f5a1 100644
--- a/include/linux/mtd/fsmc.h
+++ b/include/linux/mtd/fsmc.h
@@ -32,88 +32,77 @@
32#define FSMC_FLASH_WIDTH8 1 32#define FSMC_FLASH_WIDTH8 1
33#define FSMC_FLASH_WIDTH16 2 33#define FSMC_FLASH_WIDTH16 2
34 34
35struct fsmc_nor_bank_regs { 35/* fsmc controller registers for NOR flash */
36 uint32_t ctrl; 36#define CTRL 0x0
37 uint32_t ctrl_tim; 37 /* ctrl register definitions */
38}; 38 #define BANK_ENABLE (1 << 0)
39 39 #define MUXED (1 << 1)
40/* ctrl register definitions */ 40 #define NOR_DEV (2 << 2)
41#define BANK_ENABLE (1 << 0) 41 #define WIDTH_8 (0 << 4)
42#define MUXED (1 << 1) 42 #define WIDTH_16 (1 << 4)
43#define NOR_DEV (2 << 2) 43 #define RSTPWRDWN (1 << 6)
44#define WIDTH_8 (0 << 4) 44 #define WPROT (1 << 7)
45#define WIDTH_16 (1 << 4) 45 #define WRT_ENABLE (1 << 12)
46#define RSTPWRDWN (1 << 6) 46 #define WAIT_ENB (1 << 13)
47#define WPROT (1 << 7) 47
48#define WRT_ENABLE (1 << 12) 48#define CTRL_TIM 0x4
49#define WAIT_ENB (1 << 13) 49 /* ctrl_tim register definitions */
50 50
51/* ctrl_tim register definitions */ 51#define FSMC_NOR_BANK_SZ 0x8
52
53struct fsmc_nand_bank_regs {
54 uint32_t pc;
55 uint32_t sts;
56 uint32_t comm;
57 uint32_t attrib;
58 uint32_t ioata;
59 uint32_t ecc1;
60 uint32_t ecc2;
61 uint32_t ecc3;
62};
63
64#define FSMC_NOR_REG_SIZE 0x40 52#define FSMC_NOR_REG_SIZE 0x40
65 53
66struct fsmc_regs { 54#define FSMC_NOR_REG(base, bank, reg) (base + \
67 struct fsmc_nor_bank_regs nor_bank_regs[FSMC_MAX_NOR_BANKS]; 55 FSMC_NOR_BANK_SZ * (bank) + \
68 uint8_t reserved_1[0x40 - 0x20]; 56 reg)
69 struct fsmc_nand_bank_regs bank_regs[FSMC_MAX_NAND_BANKS]; 57
70 uint8_t reserved_2[0xfe0 - 0xc0]; 58/* fsmc controller registers for NAND flash */
71 uint32_t peripid0; /* 0xfe0 */ 59#define PC 0x00
72 uint32_t peripid1; /* 0xfe4 */ 60 /* pc register definitions */
73 uint32_t peripid2; /* 0xfe8 */ 61 #define FSMC_RESET (1 << 0)
74 uint32_t peripid3; /* 0xfec */ 62 #define FSMC_WAITON (1 << 1)
75 uint32_t pcellid0; /* 0xff0 */ 63 #define FSMC_ENABLE (1 << 2)
76 uint32_t pcellid1; /* 0xff4 */ 64 #define FSMC_DEVTYPE_NAND (1 << 3)
77 uint32_t pcellid2; /* 0xff8 */ 65 #define FSMC_DEVWID_8 (0 << 4)
78 uint32_t pcellid3; /* 0xffc */ 66 #define FSMC_DEVWID_16 (1 << 4)
79}; 67 #define FSMC_ECCEN (1 << 6)
68 #define FSMC_ECCPLEN_512 (0 << 7)
69 #define FSMC_ECCPLEN_256 (1 << 7)
70 #define FSMC_TCLR_1 (1)
71 #define FSMC_TCLR_SHIFT (9)
72 #define FSMC_TCLR_MASK (0xF)
73 #define FSMC_TAR_1 (1)
74 #define FSMC_TAR_SHIFT (13)
75 #define FSMC_TAR_MASK (0xF)
76#define STS 0x04
77 /* sts register definitions */
78 #define FSMC_CODE_RDY (1 << 15)
79#define COMM 0x08
80 /* comm register definitions */
81 #define FSMC_TSET_0 0
82 #define FSMC_TSET_SHIFT 0
83 #define FSMC_TSET_MASK 0xFF
84 #define FSMC_TWAIT_6 6
85 #define FSMC_TWAIT_SHIFT 8
86 #define FSMC_TWAIT_MASK 0xFF
87 #define FSMC_THOLD_4 4
88 #define FSMC_THOLD_SHIFT 16
89 #define FSMC_THOLD_MASK 0xFF
90 #define FSMC_THIZ_1 1
91 #define FSMC_THIZ_SHIFT 24
92 #define FSMC_THIZ_MASK 0xFF
93#define ATTRIB 0x0C
94#define IOATA 0x10
95#define ECC1 0x14
96#define ECC2 0x18
97#define ECC3 0x1C
98#define FSMC_NAND_BANK_SZ 0x20
99
100#define FSMC_NAND_REG(base, bank, reg) (base + FSMC_NOR_REG_SIZE + \
101 (FSMC_NAND_BANK_SZ * (bank)) + \
102 reg)
80 103
81#define FSMC_BUSY_WAIT_TIMEOUT (1 * HZ) 104#define FSMC_BUSY_WAIT_TIMEOUT (1 * HZ)
82 105
83/* pc register definitions */
84#define FSMC_RESET (1 << 0)
85#define FSMC_WAITON (1 << 1)
86#define FSMC_ENABLE (1 << 2)
87#define FSMC_DEVTYPE_NAND (1 << 3)
88#define FSMC_DEVWID_8 (0 << 4)
89#define FSMC_DEVWID_16 (1 << 4)
90#define FSMC_ECCEN (1 << 6)
91#define FSMC_ECCPLEN_512 (0 << 7)
92#define FSMC_ECCPLEN_256 (1 << 7)
93#define FSMC_TCLR_1 (1)
94#define FSMC_TCLR_SHIFT (9)
95#define FSMC_TCLR_MASK (0xF)
96#define FSMC_TAR_1 (1)
97#define FSMC_TAR_SHIFT (13)
98#define FSMC_TAR_MASK (0xF)
99
100/* sts register definitions */
101#define FSMC_CODE_RDY (1 << 15)
102
103/* comm register definitions */
104#define FSMC_TSET_0 0
105#define FSMC_TSET_SHIFT 0
106#define FSMC_TSET_MASK 0xFF
107#define FSMC_TWAIT_6 6
108#define FSMC_TWAIT_SHIFT 8
109#define FSMC_TWAIT_MASK 0xFF
110#define FSMC_THOLD_4 4
111#define FSMC_THOLD_SHIFT 16
112#define FSMC_THOLD_MASK 0xFF
113#define FSMC_THIZ_1 1
114#define FSMC_THIZ_SHIFT 24
115#define FSMC_THIZ_MASK 0xFF
116
117/* 106/*
118 * There are 13 bytes of ecc for every 512 byte block in FSMC version 8 107 * There are 13 bytes of ecc for every 512 byte block in FSMC version 8
119 * and it has to be read consecutively and immediately after the 512 108 * and it has to be read consecutively and immediately after the 512