Merge branch 'powerpc-next' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc

6 files changed, 339 insertions, 25 deletions

diff --git a/include/asm-powerpc/cpm.h b/include/asm-powerpc/cpm.h
index 77e39dad9728..ede38ffe466a 100644
--- a/include/asm-powerpc/cpm.h
+++ b/include/asm-powerpc/cpm.h
@@ -4,6 +4,20 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 
+/* Opcodes common to CPM1 and CPM2
+*/
+#define CPM_CR_INIT_TRX         ((ushort)0x0000)
+#define CPM_CR_INIT_RX          ((ushort)0x0001)
+#define CPM_CR_INIT_TX          ((ushort)0x0002)
+#define CPM_CR_HUNT_MODE        ((ushort)0x0003)
+#define CPM_CR_STOP_TX          ((ushort)0x0004)
+#define CPM_CR_GRA_STOP_TX      ((ushort)0x0005)
+#define CPM_CR_RESTART_TX       ((ushort)0x0006)
+#define CPM_CR_CLOSE_RX_BD      ((ushort)0x0007)
+#define CPM_CR_SET_GADDR        ((ushort)0x0008)
+#define CPM_CR_SET_TIMER        ((ushort)0x0008)
+#define CPM_CR_STOP_IDMA        ((ushort)0x000b)
+
 /* Buffer descriptors used by many of the CPM protocols. */
 typedef struct cpm_buf_desc {
         ushort  cbd_sc;         /* Status and Control */
diff --git a/include/asm-powerpc/cpm1.h b/include/asm-powerpc/cpm1.h
index b2ebd6ac6dae..3df439678006 100644
--- a/include/asm-powerpc/cpm1.h
+++ b/include/asm-powerpc/cpm1.h
@@ -28,19 +28,6 @@
 #define CPM_CR_CHAN     ((ushort)0x00f0)
 #define CPM_CR_FLG      ((ushort)0x0001)
 
-/* Some commands (there are more...later)
-*/
-#define CPM_CR_INIT_TRX         ((ushort)0x0000)
-#define CPM_CR_INIT_RX          ((ushort)0x0001)
-#define CPM_CR_INIT_TX          ((ushort)0x0002)
-#define CPM_CR_HUNT_MODE        ((ushort)0x0003)
-#define CPM_CR_STOP_TX          ((ushort)0x0004)
-#define CPM_CR_GRA_STOP_TX      ((ushort)0x0005)
-#define CPM_CR_RESTART_TX       ((ushort)0x0006)
-#define CPM_CR_CLOSE_RX_BD      ((ushort)0x0007)
-#define CPM_CR_SET_GADDR        ((ushort)0x0008)
-#define CPM_CR_SET_TIMER        CPM_CR_SET_GADDR
-
 /* Channel numbers.
 */
 #define CPM_CR_CH_SCC1          ((ushort)0x0000)
diff --git a/include/asm-powerpc/cpm2.h b/include/asm-powerpc/cpm2.h
index b93a53eb55c1..4c85ed9cd43f 100644
--- a/include/asm-powerpc/cpm2.h
+++ b/include/asm-powerpc/cpm2.h
@@ -71,18 +71,9 @@
 
 #define CPM_CR_FCC_PAGE(x)      (x + 0x04)
 
-/* Some opcodes (there are more...later)
+/* CPM2-specific opcodes (see cpm.h for common opcodes)
 */
-#define CPM_CR_INIT_TRX         ((ushort)0x0000)
-#define CPM_CR_INIT_RX          ((ushort)0x0001)
-#define CPM_CR_INIT_TX          ((ushort)0x0002)
-#define CPM_CR_HUNT_MODE        ((ushort)0x0003)
-#define CPM_CR_STOP_TX          ((ushort)0x0004)
-#define CPM_CR_GRA_STOP_TX      ((ushort)0x0005)
-#define CPM_CR_RESTART_TX       ((ushort)0x0006)
-#define CPM_CR_SET_GADDR        ((ushort)0x0008)
 #define CPM_CR_START_IDMA       ((ushort)0x0009)
-#define CPM_CR_STOP_IDMA        ((ushort)0x000b)
 
 #define mk_cr_cmd(PG, SBC, MCN, OP) \
         ((PG << 26) | (SBC << 21) | (MCN << 6) | OP)
diff --git a/include/asm-powerpc/fsl_lbc.h b/include/asm-powerpc/fsl_lbc.h
new file mode 100644
index 000000000000..303f5484c050
--- /dev/null
+++ b/include/asm-powerpc/fsl_lbc.h
@@ -0,0 +1,311 @@
+/* Freescale Local Bus Controller
+ *
+ * Copyright (c) 2006-2007 Freescale Semiconductor
+ *
+ * Authors: Nick Spence <nick.spence@freescale.com>,
+ *          Scott Wood <scottwood@freescale.com>
+ *
+ * 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_FSL_LBC_H
+#define __ASM_FSL_LBC_H
+
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <asm/io.h>
+
+struct fsl_lbc_bank {
+        __be32 br;             /**< Base Register  */
+#define BR_BA           0xFFFF8000
+#define BR_BA_SHIFT             15
+#define BR_PS           0x00001800
+#define BR_PS_SHIFT             11
+#define BR_PS_8         0x00000800  /* Port Size 8 bit */
+#define BR_PS_16        0x00001000  /* Port Size 16 bit */
+#define BR_PS_32        0x00001800  /* Port Size 32 bit */
+#define BR_DECC         0x00000600
+#define BR_DECC_SHIFT            9
+#define BR_DECC_OFF     0x00000000  /* HW ECC checking and generation off */
+#define BR_DECC_CHK     0x00000200  /* HW ECC checking on, generation off */
+#define BR_DECC_CHK_GEN 0x00000400  /* HW ECC checking and generation on */
+#define BR_WP           0x00000100
+#define BR_WP_SHIFT              8
+#define BR_MSEL         0x000000E0
+#define BR_MSEL_SHIFT            5
+#define BR_MS_GPCM      0x00000000  /* GPCM */
+#define BR_MS_FCM       0x00000020  /* FCM */
+#define BR_MS_SDRAM     0x00000060  /* SDRAM */
+#define BR_MS_UPMA      0x00000080  /* UPMA */
+#define BR_MS_UPMB      0x000000A0  /* UPMB */
+#define BR_MS_UPMC      0x000000C0  /* UPMC */
+#define BR_V            0x00000001
+#define BR_V_SHIFT               0
+#define BR_RES          ~(BR_BA|BR_PS|BR_DECC|BR_WP|BR_MSEL|BR_V)
+
+        __be32 or;             /**< Base Register  */
+#define OR0 0x5004
+#define OR1 0x500C
+#define OR2 0x5014
+#define OR3 0x501C
+#define OR4 0x5024
+#define OR5 0x502C
+#define OR6 0x5034
+#define OR7 0x503C
+
+#define OR_FCM_AM               0xFFFF8000
+#define OR_FCM_AM_SHIFT                 15
+#define OR_FCM_BCTLD            0x00001000
+#define OR_FCM_BCTLD_SHIFT              12
+#define OR_FCM_PGS              0x00000400
+#define OR_FCM_PGS_SHIFT                10
+#define OR_FCM_CSCT             0x00000200
+#define OR_FCM_CSCT_SHIFT                9
+#define OR_FCM_CST              0x00000100
+#define OR_FCM_CST_SHIFT                 8
+#define OR_FCM_CHT              0x00000080
+#define OR_FCM_CHT_SHIFT                 7
+#define OR_FCM_SCY              0x00000070
+#define OR_FCM_SCY_SHIFT                 4
+#define OR_FCM_SCY_1            0x00000010
+#define OR_FCM_SCY_2            0x00000020
+#define OR_FCM_SCY_3            0x00000030
+#define OR_FCM_SCY_4            0x00000040
+#define OR_FCM_SCY_5            0x00000050
+#define OR_FCM_SCY_6            0x00000060
+#define OR_FCM_SCY_7            0x00000070
+#define OR_FCM_RST              0x00000008
+#define OR_FCM_RST_SHIFT                 3
+#define OR_FCM_TRLX             0x00000004
+#define OR_FCM_TRLX_SHIFT                2
+#define OR_FCM_EHTR             0x00000002
+#define OR_FCM_EHTR_SHIFT                1
+};
+
+struct fsl_lbc_regs {
+        struct fsl_lbc_bank bank[8];
+        u8 res0[0x28];
+        __be32 mar;             /**< UPM Address Register */
+        u8 res1[0x4];
+        __be32 mamr;            /**< UPMA Mode Register */
+#define MxMR_OP_NO      (0 << 28) /**< normal operation */
+#define MxMR_OP_WA      (1 << 28) /**< write array */
+#define MxMR_OP_RA      (2 << 28) /**< read array */
+#define MxMR_OP_RP      (3 << 28) /**< run pattern */
+#define MxMR_MAD        0x3f      /**< machine address */
+        __be32 mbmr;            /**< UPMB Mode Register */
+        __be32 mcmr;            /**< UPMC Mode Register */
+        u8 res2[0x8];
+        __be32 mrtpr;           /**< Memory Refresh Timer Prescaler Register */
+        __be32 mdr;             /**< UPM Data Register */
+        u8 res3[0x4];
+        __be32 lsor;            /**< Special Operation Initiation Register */
+        __be32 lsdmr;           /**< SDRAM Mode Register */
+        u8 res4[0x8];
+        __be32 lurt;            /**< UPM Refresh Timer */
+        __be32 lsrt;            /**< SDRAM Refresh Timer */
+        u8 res5[0x8];
+        __be32 ltesr;           /**< Transfer Error Status Register */
+#define LTESR_BM   0x80000000
+#define LTESR_FCT  0x40000000
+#define LTESR_PAR  0x20000000
+#define LTESR_WP   0x04000000
+#define LTESR_ATMW 0x00800000
+#define LTESR_ATMR 0x00400000
+#define LTESR_CS   0x00080000
+#define LTESR_CC   0x00000001
+#define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC)
+        __be32 ltedr;           /**< Transfer Error Disable Register */
+        __be32 lteir;           /**< Transfer Error Interrupt Register */
+        __be32 lteatr;          /**< Transfer Error Attributes Register */
+        __be32 ltear;           /**< Transfer Error Address Register */
+        u8 res6[0xC];
+        __be32 lbcr;            /**< Configuration Register */
+#define LBCR_LDIS  0x80000000
+#define LBCR_LDIS_SHIFT    31
+#define LBCR_BCTLC 0x00C00000
+#define LBCR_BCTLC_SHIFT   22
+#define LBCR_AHD   0x00200000
+#define LBCR_LPBSE 0x00020000
+#define LBCR_LPBSE_SHIFT   17
+#define LBCR_EPAR  0x00010000
+#define LBCR_EPAR_SHIFT    16
+#define LBCR_BMT   0x0000FF00
+#define LBCR_BMT_SHIFT      8
+#define LBCR_INIT  0x00040000
+        __be32 lcrr;            /**< Clock Ratio Register */
+#define LCRR_DBYP    0x80000000
+#define LCRR_DBYP_SHIFT      31
+#define LCRR_BUFCMDC 0x30000000
+#define LCRR_BUFCMDC_SHIFT   28
+#define LCRR_ECL     0x03000000
+#define LCRR_ECL_SHIFT       24
+#define LCRR_EADC    0x00030000
+#define LCRR_EADC_SHIFT      16
+#define LCRR_CLKDIV  0x0000000F
+#define LCRR_CLKDIV_SHIFT     0
+        u8 res7[0x8];
+        __be32 fmr;             /**< Flash Mode Register */
+#define FMR_CWTO     0x0000F000
+#define FMR_CWTO_SHIFT       12
+#define FMR_BOOT     0x00000800
+#define FMR_ECCM     0x00000100
+#define FMR_AL       0x00000030
+#define FMR_AL_SHIFT          4
+#define FMR_OP       0x00000003
+#define FMR_OP_SHIFT          0
+        __be32 fir;             /**< Flash Instruction Register */
+#define FIR_OP0      0xF0000000
+#define FIR_OP0_SHIFT        28
+#define FIR_OP1      0x0F000000
+#define FIR_OP1_SHIFT        24
+#define FIR_OP2      0x00F00000
+#define FIR_OP2_SHIFT        20
+#define FIR_OP3      0x000F0000
+#define FIR_OP3_SHIFT        16
+#define FIR_OP4      0x0000F000
+#define FIR_OP4_SHIFT        12
+#define FIR_OP5      0x00000F00
+#define FIR_OP5_SHIFT         8
+#define FIR_OP6      0x000000F0
+#define FIR_OP6_SHIFT         4
+#define FIR_OP7      0x0000000F
+#define FIR_OP7_SHIFT         0
+#define FIR_OP_NOP   0x0        /* No operation and end of sequence */
+#define FIR_OP_CA    0x1        /* Issue current column address */
+#define FIR_OP_PA    0x2        /* Issue current block+page address */
+#define FIR_OP_UA    0x3        /* Issue user defined address */
+#define FIR_OP_CM0   0x4        /* Issue command from FCR[CMD0] */
+#define FIR_OP_CM1   0x5        /* Issue command from FCR[CMD1] */
+#define FIR_OP_CM2   0x6        /* Issue command from FCR[CMD2] */
+#define FIR_OP_CM3   0x7        /* Issue command from FCR[CMD3] */
+#define FIR_OP_WB    0x8        /* Write FBCR bytes from FCM buffer */
+#define FIR_OP_WS    0x9        /* Write 1 or 2 bytes from MDR[AS] */
+#define FIR_OP_RB    0xA        /* Read FBCR bytes to FCM buffer */
+#define FIR_OP_RS    0xB        /* Read 1 or 2 bytes to MDR[AS] */
+#define FIR_OP_CW0   0xC        /* Wait then issue FCR[CMD0] */
+#define FIR_OP_CW1   0xD        /* Wait then issue FCR[CMD1] */
+#define FIR_OP_RBW   0xE        /* Wait then read FBCR bytes */
+#define FIR_OP_RSW   0xE        /* Wait then read 1 or 2 bytes */
+        __be32 fcr;             /**< Flash Command Register */
+#define FCR_CMD0     0xFF000000
+#define FCR_CMD0_SHIFT       24
+#define FCR_CMD1     0x00FF0000
+#define FCR_CMD1_SHIFT       16
+#define FCR_CMD2     0x0000FF00
+#define FCR_CMD2_SHIFT        8
+#define FCR_CMD3     0x000000FF
+#define FCR_CMD3_SHIFT        0
+        __be32 fbar;            /**< Flash Block Address Register */
+#define FBAR_BLK     0x00FFFFFF
+        __be32 fpar;            /**< Flash Page Address Register */
+#define FPAR_SP_PI   0x00007C00
+#define FPAR_SP_PI_SHIFT     10
+#define FPAR_SP_MS   0x00000200
+#define FPAR_SP_CI   0x000001FF
+#define FPAR_SP_CI_SHIFT      0
+#define FPAR_LP_PI   0x0003F000
+#define FPAR_LP_PI_SHIFT     12
+#define FPAR_LP_MS   0x00000800
+#define FPAR_LP_CI   0x000007FF
+#define FPAR_LP_CI_SHIFT      0
+        __be32 fbcr;            /**< Flash Byte Count Register */
+#define FBCR_BC      0x00000FFF
+        u8 res11[0x8];
+        u8 res8[0xF00];
+};
+
+extern struct fsl_lbc_regs __iomem *fsl_lbc_regs;
+extern spinlock_t fsl_lbc_lock;
+
+/*
+ * FSL UPM routines
+ */
+struct fsl_upm {
+        __be32 __iomem *mxmr;
+        int width;
+};
+
+extern int fsl_lbc_find(phys_addr_t addr_base);
+extern int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm);
+
+/**
+ * fsl_upm_start_pattern - start UPM patterns execution
+ * @upm:        pointer to the fsl_upm structure obtained via fsl_upm_find
+ * @pat_offset: UPM pattern offset for the command to be executed
+ *
+ * This routine programmes UPM so the next memory access that hits an UPM
+ * will trigger pattern execution, starting at pat_offset.
+ */
+static inline void fsl_upm_start_pattern(struct fsl_upm *upm, u8 pat_offset)
+{
+        clrsetbits_be32(upm->mxmr, MxMR_MAD, MxMR_OP_RP | pat_offset);
+}
+
+/**
+ * fsl_upm_end_pattern - end UPM patterns execution
+ * @upm:        pointer to the fsl_upm structure obtained via fsl_upm_find
+ *
+ * This routine reverts UPM to normal operation mode.
+ */
+static inline void fsl_upm_end_pattern(struct fsl_upm *upm)
+{
+        clrbits32(upm->mxmr, MxMR_OP_RP);
+
+        while (in_be32(upm->mxmr) & MxMR_OP_RP)
+                cpu_relax();
+}
+
+/**
+ * fsl_upm_run_pattern - actually run an UPM pattern
+ * @upm:        pointer to the fsl_upm structure obtained via fsl_upm_find
+ * @io_base:    remapped pointer to where memory access should happen
+ * @mar:        MAR register content during pattern execution
+ *
+ * This function triggers dummy write to the memory specified by the io_base,
+ * thus UPM pattern actually executed. Note that mar usage depends on the
+ * pre-programmed AMX bits in the UPM RAM.
+ */
+static inline int fsl_upm_run_pattern(struct fsl_upm *upm,
+                                      void __iomem *io_base, u32 mar)
+{
+        int ret = 0;
+        unsigned long flags;
+
+        spin_lock_irqsave(&fsl_lbc_lock, flags);
+
+        out_be32(&fsl_lbc_regs->mar, mar << (32 - upm->width));
+
+        switch (upm->width) {
+        case 8:
+                out_8(io_base, 0x0);
+                break;
+        case 16:
+                out_be16(io_base, 0x0);
+                break;
+        case 32:
+                out_be32(io_base, 0x0);
+                break;
+        default:
+                ret = -EINVAL;
+                break;
+        }
+
+        spin_unlock_irqrestore(&fsl_lbc_lock, flags);
+
+        return ret;
+}
+
+#endif /* __ASM_FSL_LBC_H */
diff --git a/include/asm-powerpc/immap_qe.h b/include/asm-powerpc/immap_qe.h
index 82a452615097..7b6f411db3e6 100644
--- a/include/asm-powerpc/immap_qe.h
+++ b/include/asm-powerpc/immap_qe.h
@@ -20,6 +20,7 @@
 #ifdef __KERNEL__
 
 #include <linux/kernel.h>
+#include <asm/io.h>
 
 #define QE_IMMAP_SIZE   (1024 * 1024)   /* 1MB from 1MB+IMMR */
 
@@ -468,7 +469,7 @@ struct qe_immap {
         u8                      res18[0xC0000]; /* 0x140000 - 0x200000 */
 } __attribute__ ((packed));
 
-extern struct qe_immap *qe_immr;
+extern struct qe_immap __iomem *qe_immr;
 extern phys_addr_t get_qe_base(void);
 
 static inline unsigned long immrbar_virt_to_phys(void *address)
diff --git a/include/asm-powerpc/qe.h b/include/asm-powerpc/qe.h
index 430dc77b35fc..c3be6e2e1490 100644
--- a/include/asm-powerpc/qe.h
+++ b/include/asm-powerpc/qe.h
@@ -85,6 +85,7 @@ extern int par_io_data_set(u8 port, u8 pin, u8 val);
 /* QE internal API */
 int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input);
 enum qe_clock qe_clock_source(const char *source);
+unsigned int qe_get_brg_clk(void);
 int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier);
 int qe_get_snum(void);
 void qe_put_snum(u8 snum);
@@ -92,7 +93,16 @@ unsigned long qe_muram_alloc(int size, int align);
 int qe_muram_free(unsigned long offset);
 unsigned long qe_muram_alloc_fixed(unsigned long offset, int size);
 void qe_muram_dump(void);
-void *qe_muram_addr(unsigned long offset);
+
+static inline void __iomem *qe_muram_addr(unsigned long offset)
+{
+        return (void __iomem *)&qe_immr->muram[offset];
+}
+
+static inline unsigned long qe_muram_offset(void __iomem *addr)
+{
+        return addr - (void __iomem *)qe_immr->muram;
+}
 
 /* Structure that defines QE firmware binary files.
  *