serial/mpc52xx_uart: add MPC5125 PSC support

Add MPC5125 PSC register layout structure, MPC5125 specific
psc_ops function set and the compatible string.

Signed-off-by: Vladimir Ermakov <vooon341@gmail.com>
Signed-off-by: Matteo Facchinetti <matteo.facchinetti@sirius-es.it>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/mpc52xx_psc.h b/arch/powerpc/include/asm/mpc52xx_psc.h
index 2966df604221..d0ece257d310 100644
--- a/arch/powerpc/include/asm/mpc52xx_psc.h
+++ b/arch/powerpc/include/asm/mpc52xx_psc.h
@@ -299,4 +299,53 @@ struct mpc512x_psc_fifo {
 #define rxdata_32 rxdata.rxdata_32
 };
 
+struct mpc5125_psc {
+        u8              mr1;                    /* PSC + 0x00 */
+        u8              reserved0[3];
+        u8              mr2;                    /* PSC + 0x04 */
+        u8              reserved1[3];
+        struct {
+                u16             status;         /* PSC + 0x08 */
+                u8              reserved2[2];
+                u8              clock_select;   /* PSC + 0x0c */
+                u8              reserved3[3];
+        } sr_csr;
+        u8              command;                /* PSC + 0x10 */
+        u8              reserved4[3];
+        union {                                 /* PSC + 0x14 */
+                u8              buffer_8;
+                u16             buffer_16;
+                u32             buffer_32;
+        } buffer;
+        struct {
+                u8              ipcr;           /* PSC + 0x18 */
+                u8              reserved5[3];
+                u8              acr;            /* PSC + 0x1c */
+                u8              reserved6[3];
+        } ipcr_acr;
+        struct {
+                u16             isr;            /* PSC + 0x20 */
+                u8              reserved7[2];
+                u16             imr;            /* PSC + 0x24 */
+                u8              reserved8[2];
+        } isr_imr;
+        u8              ctur;                   /* PSC + 0x28 */
+        u8              reserved9[3];
+        u8              ctlr;                   /* PSC + 0x2c */
+        u8              reserved10[3];
+        u32             ccr;                    /* PSC + 0x30 */
+        u32             ac97slots;              /* PSC + 0x34 */
+        u32             ac97cmd;                /* PSC + 0x38 */
+        u32             ac97data;               /* PSC + 0x3c */
+        u8              reserved11[4];
+        u8              ip;                     /* PSC + 0x44 */
+        u8              reserved12[3];
+        u8              op1;                    /* PSC + 0x48 */
+        u8              reserved13[3];
+        u8              op0;                    /* PSC + 0x4c */
+        u8              reserved14[3];
+        u32             sicr;                   /* PSC + 0x50 */
+        u8              reserved15[4];  /* make eq. sizeof(mpc52xx_psc) */
+};
+
 #endif  /* __ASM_MPC52xx_PSC_H__ */