MPC85xx: Add MPC8569 CPU support

There is a workaround for MPC8569 CPU Errata, which needs to set Bit 13 of
LBCR in 4K bootpage. We setup a temp TLB for eLBC controller in bootpage,
then invalidate it after LBCR bit 13 is set.

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

diff --git a/cpu/mpc85xx/Makefile b/cpu/mpc85xx/Makefile
index 99d88a8..8809302 100644 (file)
--- a/cpu/mpc85xx/Makefile
+++ b/cpu/mpc85xx/Makefile
@@ -49,6 +49,7 @@ COBJS-$(CONFIG_MPC8544) += ddr-gen2.o
 COBJS-$(CONFIG_MPC8572) += ddr-gen3.o
 COBJS-$(CONFIG_MPC8536) += ddr-gen3.o
 COBJS-$(CONFIG_P2020)  += ddr-gen3.o
+COBJS-$(CONFIG_MPC8569)        += ddr-gen3.o
 
 COBJS-$(CONFIG_MPC8536) += mpc8536_serdes.o
 COBJS  = traps.o cpu.o cpu_init.o speed.o interrupts.o tlb.o \

diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 5b72fe5..ef976a4 100644 (file)
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -61,6 +61,8 @@ struct cpu_type cpu_type_list [] = {
        CPU_TYPE_ENTRY(8567, 8567_E),
        CPU_TYPE_ENTRY(8568, 8568),
        CPU_TYPE_ENTRY(8568, 8568_E),
+       CPU_TYPE_ENTRY(8569, 8569),
+       CPU_TYPE_ENTRY(8569, 8569_E),
        CPU_TYPE_ENTRY(8572, 8572),
        CPU_TYPE_ENTRY(8572, 8572_E),
        CPU_TYPE_ENTRY(P2020, P2020),

diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index 89eea8c..4f7236f 100644 (file)
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -186,6 +186,55 @@ _start_e500:
        mtspr   DBCR0,r0
 #endif
 
+#ifdef CONFIG_MPC8569
+#define CONFIG_SYS_LBC_ADDR (CONFIG_SYS_CCSRBAR_DEFAULT + 0x5000)
+#define CONFIG_SYS_LBCR_ADDR (CONFIG_SYS_LBC_ADDR + 0xd0)
+
+       /* MPC8569 Rev.0 silcon needs to set bit 13 of LBCR to allow elBC to
+        * use address space which is more than 12bits, and it must be done in
+        * the 4K boot page. So we set this bit here.
+        */
+
+       /* create a temp mapping TLB0[0] for LBCR  */
+       lis     r6,FSL_BOOKE_MAS0(0, 0, 0)@h
+       ori     r6,r6,FSL_BOOKE_MAS0(0, 0, 0)@l
+
+       lis     r7,FSL_BOOKE_MAS1(1, 0, 0, 0, BOOKE_PAGESZ_4K)@h
+       ori     r7,r7,FSL_BOOKE_MAS1(1, 0, 0, 0, BOOKE_PAGESZ_4K)@l
+
+       lis     r8,FSL_BOOKE_MAS2(CONFIG_SYS_LBC_ADDR, MAS2_I|MAS2_G)@h
+       ori     r8,r8,FSL_BOOKE_MAS2(CONFIG_SYS_LBC_ADDR, MAS2_I|MAS2_G)@l
+
+       lis     r9,FSL_BOOKE_MAS3(CONFIG_SYS_LBC_ADDR, 0,
+                                               (MAS3_SX|MAS3_SW|MAS3_SR))@h
+       ori     r9,r9,FSL_BOOKE_MAS3(CONFIG_SYS_LBC_ADDR, 0,
+                                               (MAS3_SX|MAS3_SW|MAS3_SR))@l
+
+       mtspr   MAS0,r6
+       mtspr   MAS1,r7
+       mtspr   MAS2,r8
+       mtspr   MAS3,r9
+       isync
+       msync
+       tlbwe
+
+       /* Set LBCR register */
+       lis     r4,CONFIG_SYS_LBCR_ADDR@h
+       ori     r4,r4,CONFIG_SYS_LBCR_ADDR@l
+
+       lis     r5,CONFIG_SYS_LBC_LBCR@h
+       ori     r5,r5,CONFIG_SYS_LBC_LBCR@l
+       stw     r5,0(r4)
+       isync
+
+       /* invalidate this temp TLB */
+       lis     r4,CONFIG_SYS_LBC_ADDR@h
+       ori     r4,r4,CONFIG_SYS_LBC_ADDR@l
+       tlbivax 0,r4
+       isync
+
+#endif /* CONFIG_MPC8569 */
+
        /* create a temp mapping in AS=1 to the 4M boot window */
        lis     r6,FSL_BOOKE_MAS0(1, 15, 0)@h
        ori     r6,r6,FSL_BOOKE_MAS0(1, 15, 0)@l

diff --git a/drivers/misc/fsl_law.c b/drivers/misc/fsl_law.c
index 58340c1..be43a3e 100644 (file)
--- a/drivers/misc/fsl_law.c
+++ b/drivers/misc/fsl_law.c
@@ -35,7 +35,7 @@ DECLARE_GLOBAL_DATA_PTR;
     defined(CONFIG_MPC8560) || defined(CONFIG_MPC8555)
 #define FSL_HW_NUM_LAWS 8
 #elif defined(CONFIG_MPC8548) || defined(CONFIG_MPC8544) || \
-      defined(CONFIG_MPC8568) || \
+      defined(CONFIG_MPC8568) || defined(CONFIG_MPC8569) || \
       defined(CONFIG_MPC8641) || defined(CONFIG_MPC8610)
 #define FSL_HW_NUM_LAWS 10
 #elif defined(CONFIG_MPC8536) || defined(CONFIG_MPC8572) || \

diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h
index 094fb9c..0810b8e 100644 (file)
--- a/include/asm-ppc/immap_85xx.h
+++ b/include/asm-ppc/immap_85xx.h
@@ -1609,8 +1609,19 @@ typedef struct ccsr_gur {
        char    res2[12];
        uint    gpiocr;         /* 0xe0030 - GPIO control register */
        char    res3[12];
+#if defined(CONFIG_MPC8569)
+       uint    plppar1;
+                       /* 0xe0040 - Platform port pin assignment register 1 */
+       uint    plppar2;
+                       /* 0xe0044 - Platform port pin assignment register 2 */
+       uint    plpdir1;
+                       /* 0xe0048 - Platform port pin direction register 1 */
+       uint    plpdir2;
+                       /* 0xe004c - Platform port pin direction register 2 */
+#else
        uint    gpoutdr;        /* 0xe0040 - General-purpose output data register */
        char    res4[12];
+#endif
        uint    gpindr;         /* 0xe0050 - General-purpose input data register */
        char    res5[12];
        uint    pmuxcr;         /* 0xe0060 - Alternate function signal multiplex control */
@@ -1651,7 +1662,7 @@ typedef struct ccsr_gur {
        uint    svr;            /* 0xe00a4 - System version register */
        char    res10a[8];
        uint    rstcr;          /* 0xe00b0 - Reset control register */
-#ifdef CONFIG_MPC8568
+#if defined(CONFIG_MPC8568)||defined(CONFIG_MPC8569)
        char    res10b[76];
        par_io_t qe_par_io[7];  /* 0xe0100 - 0xe01bf */
        char    res10c[3136];

diff --git a/include/asm-ppc/immap_qe.h b/include/asm-ppc/immap_qe.h
index 39da377..66a4735 100644 (file)
--- a/include/asm-ppc/immap_qe.h
+++ b/include/asm-ppc/immap_qe.h
@@ -20,7 +20,9 @@
 typedef struct qe_iram {
        u32 iadd;               /* I-RAM Address Register */
        u32 idata;              /* I-RAM Data Register    */
-       u8 res0[0x78];
+       u8 res0[0x4];
+       u32 iready;
+       u8 res1[0x70];
 } __attribute__ ((packed)) qe_iram_t;
 
 /* QE Interrupt Controller
@@ -580,7 +582,7 @@ typedef struct qe_immap {
        u8 res14[0x300];
        u8 res15[0x3A00];
        u8 res16[0x8000];       /* 0x108000 -  0x110000 */
-#if defined(CONFIG_MPC8568)
+#if defined(CONFIG_MPC8568)||defined(CONFIG_MPC8569)
        u8 muram[0x10000];      /* 0x1_0000 -  0x2_0000 Multi-user RAM */
        u8 res17[0x20000];      /* 0x2_0000 -  0x4_0000 */
 #else
@@ -592,7 +594,7 @@ typedef struct qe_immap {
 
 extern qe_map_t *qe_immr;
 
-#if defined(CONFIG_MPC8568)
+#if defined(CONFIG_MPC8568) || defined(CONFIG_MPC8569)
 #define QE_MURAM_SIZE          0x10000UL
 #elif defined(CONFIG_MPC8360)
 #define QE_MURAM_SIZE          0xc000UL

diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h
index 5b29de0..83e3581 100644 (file)
--- a/include/asm-ppc/processor.h
+++ b/include/asm-ppc/processor.h
@@ -955,6 +955,8 @@
 #define SVR_8567_E     0x807E00
 #define SVR_8568       0x807500
 #define SVR_8568_E     0x807D00
+#define SVR_8569       0x808000
+#define SVR_8569_E     0x808800
 #define SVR_8572       0x80E000
 #define SVR_8572_E     0x80E800
 #define SVR_P2020      0x80E200