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-rw-r--r--arch/powerpc/include/asm/fsl_lbc.h34
1 files changed, 32 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/fsl_lbc.h b/arch/powerpc/include/asm/fsl_lbc.h
index 1b5a21041f9b..5c1bf3466749 100644
--- a/arch/powerpc/include/asm/fsl_lbc.h
+++ b/arch/powerpc/include/asm/fsl_lbc.h
@@ -1,9 +1,10 @@
1/* Freescale Local Bus Controller 1/* Freescale Local Bus Controller
2 * 2 *
3 * Copyright (c) 2006-2007 Freescale Semiconductor 3 * Copyright © 2006-2007, 2010 Freescale Semiconductor
4 * 4 *
5 * Authors: Nick Spence <nick.spence@freescale.com>, 5 * Authors: Nick Spence <nick.spence@freescale.com>,
6 * Scott Wood <scottwood@freescale.com> 6 * Scott Wood <scottwood@freescale.com>
7 * Jack Lan <jack.lan@freescale.com>
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 10 * it under the terms of the GNU General Public License as published by
@@ -26,6 +27,8 @@
26#include <linux/compiler.h> 27#include <linux/compiler.h>
27#include <linux/types.h> 28#include <linux/types.h>
28#include <linux/io.h> 29#include <linux/io.h>
30#include <linux/device.h>
31#include <linux/spinlock.h>
29 32
30struct fsl_lbc_bank { 33struct fsl_lbc_bank {
31 __be32 br; /**< Base Register */ 34 __be32 br; /**< Base Register */
@@ -125,13 +128,23 @@ struct fsl_lbc_regs {
125#define LTESR_ATMW 0x00800000 128#define LTESR_ATMW 0x00800000
126#define LTESR_ATMR 0x00400000 129#define LTESR_ATMR 0x00400000
127#define LTESR_CS 0x00080000 130#define LTESR_CS 0x00080000
131#define LTESR_UPM 0x00000002
128#define LTESR_CC 0x00000001 132#define LTESR_CC 0x00000001
129#define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC) 133#define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC)
134#define LTESR_MASK (LTESR_BM | LTESR_FCT | LTESR_PAR | LTESR_WP \
135 | LTESR_ATMW | LTESR_ATMR | LTESR_CS | LTESR_UPM \
136 | LTESR_CC)
137#define LTESR_CLEAR 0xFFFFFFFF
138#define LTECCR_CLEAR 0xFFFFFFFF
139#define LTESR_STATUS LTESR_MASK
140#define LTEIR_ENABLE LTESR_MASK
141#define LTEDR_ENABLE 0x00000000
130 __be32 ltedr; /**< Transfer Error Disable Register */ 142 __be32 ltedr; /**< Transfer Error Disable Register */
131 __be32 lteir; /**< Transfer Error Interrupt Register */ 143 __be32 lteir; /**< Transfer Error Interrupt Register */
132 __be32 lteatr; /**< Transfer Error Attributes Register */ 144 __be32 lteatr; /**< Transfer Error Attributes Register */
133 __be32 ltear; /**< Transfer Error Address Register */ 145 __be32 ltear; /**< Transfer Error Address Register */
134 u8 res6[0xC]; 146 __be32 lteccr; /**< Transfer Error ECC Register */
147 u8 res6[0x8];
135 __be32 lbcr; /**< Configuration Register */ 148 __be32 lbcr; /**< Configuration Register */
136#define LBCR_LDIS 0x80000000 149#define LBCR_LDIS 0x80000000
137#define LBCR_LDIS_SHIFT 31 150#define LBCR_LDIS_SHIFT 31
@@ -235,6 +248,7 @@ struct fsl_upm {
235 int width; 248 int width;
236}; 249};
237 250
251extern u32 fsl_lbc_addr(phys_addr_t addr_base);
238extern int fsl_lbc_find(phys_addr_t addr_base); 252extern int fsl_lbc_find(phys_addr_t addr_base);
239extern int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm); 253extern int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm);
240 254
@@ -265,7 +279,23 @@ static inline void fsl_upm_end_pattern(struct fsl_upm *upm)
265 cpu_relax(); 279 cpu_relax();
266} 280}
267 281
282/* overview of the fsl lbc controller */
283
284struct fsl_lbc_ctrl {
285 /* device info */
286 struct device *dev;
287 struct fsl_lbc_regs __iomem *regs;
288 int irq;
289 wait_queue_head_t irq_wait;
290 spinlock_t lock;
291 void *nand;
292
293 /* status read from LTESR by irq handler */
294 unsigned int irq_status;
295};
296
268extern int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base, 297extern int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base,
269 u32 mar); 298 u32 mar);
299extern struct fsl_lbc_ctrl *fsl_lbc_ctrl_dev;
270 300
271#endif /* __ASM_FSL_LBC_H */ 301#endif /* __ASM_FSL_LBC_H */