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powerpc/40x: Remove support for IBM 403GCX

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CONFIG_403GCX is not user selectable and is not
selected by any platform.

Remove it.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/635f8f5ce9d1f761b3bd8dc3e8ddad500cea26c4.1590079968.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy
2020-05-21 16:55:55 +00:00
committed by Michael Ellerman
parent 4e1df545e2
commit 1b5c0967ab
8 changed files with 1 additions and 168 deletions
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2
arch/powerpc/include/asm/cache.h
View File

@@ -6,7 +6,7 @@
/* bytes per L1 cache line */
#if defined(CONFIG_PPC_8xx) || defined(CONFIG_403GCX)
#if defined(CONFIG_PPC_8xx)
#define L1_CACHE_SHIFT 4
#define MAX_COPY_PREFETCH 1
#define IFETCH_ALIGN_SHIFT 2

54
arch/powerpc/include/asm/reg_booke.h
View File

@@ -663,60 +663,6 @@
#define EPC_EPID 0x00003fff
#define EPC_EPID_SHIFT 0
/*
* The IBM-403 is an even more odd special case, as it is much
* older than the IBM-405 series. We put these down here incase someone
* wishes to support these machines again.
*/
#ifdef CONFIG_403GCX
/* Special Purpose Registers (SPRNs)*/
#define SPRN_TBHU 0x3CC /* Time Base High User-mode */
#define SPRN_TBLU 0x3CD /* Time Base Low User-mode */
#define SPRN_CDBCR 0x3D7 /* Cache Debug Control Register */
#define SPRN_TBHI 0x3DC /* Time Base High */
#define SPRN_TBLO 0x3DD /* Time Base Low */
#define SPRN_DBCR 0x3F2 /* Debug Control Register */
#define SPRN_PBL1 0x3FC /* Protection Bound Lower 1 */
#define SPRN_PBL2 0x3FE /* Protection Bound Lower 2 */
#define SPRN_PBU1 0x3FD /* Protection Bound Upper 1 */
#define SPRN_PBU2 0x3FF /* Protection Bound Upper 2 */
/* Bit definitions for the DBCR. */
#define DBCR_EDM DBCR0_EDM
#define DBCR_IDM DBCR0_IDM
#define DBCR_RST(x) (((x) & 0x3) << 28)
#define DBCR_RST_NONE 0
#define DBCR_RST_CORE 1
#define DBCR_RST_CHIP 2
#define DBCR_RST_SYSTEM 3
#define DBCR_IC DBCR0_IC /* Instruction Completion Debug Evnt */
#define DBCR_BT DBCR0_BT /* Branch Taken Debug Event */
#define DBCR_EDE DBCR0_EDE /* Exception Debug Event */
#define DBCR_TDE DBCR0_TDE /* TRAP Debug Event */
#define DBCR_FER 0x00F80000 /* First Events Remaining Mask */
#define DBCR_FT 0x00040000 /* Freeze Timers on Debug Event */
#define DBCR_IA1 0x00020000 /* Instr. Addr. Compare 1 Enable */
#define DBCR_IA2 0x00010000 /* Instr. Addr. Compare 2 Enable */
#define DBCR_D1R 0x00008000 /* Data Addr. Compare 1 Read Enable */
#define DBCR_D1W 0x00004000 /* Data Addr. Compare 1 Write Enable */
#define DBCR_D1S(x) (((x) & 0x3) << 12) /* Data Adrr. Compare 1 Size */
#define DAC_BYTE 0
#define DAC_HALF 1
#define DAC_WORD 2
#define DAC_QUAD 3
#define DBCR_D2R 0x00000800 /* Data Addr. Compare 2 Read Enable */
#define DBCR_D2W 0x00000400 /* Data Addr. Compare 2 Write Enable */
#define DBCR_D2S(x) (((x) & 0x3) << 8) /* Data Addr. Compare 2 Size */
#define DBCR_SBT 0x00000040 /* Second Branch Taken Debug Event */
#define DBCR_SED 0x00000020 /* Second Exception Debug Event */
#define DBCR_STD 0x00000010 /* Second Trap Debug Event */
#define DBCR_SIA 0x00000008 /* Second IAC Enable */
#define DBCR_SDA 0x00000004 /* Second DAC Enable */
#define DBCR_JOI 0x00000002 /* JTAG Serial Outbound Int. Enable */
#define DBCR_JII 0x00000001 /* JTAG Serial Inbound Int. Enable */
#endif /* 403GCX */
/* Some 476 specific registers */
#define SPRN_SSPCR 830
#define SPRN_USPCR 831

12
arch/powerpc/include/asm/time.h
View File

@@ -51,24 +51,12 @@ struct div_result {
static inline unsigned long get_tbl(void)
{
#if defined(CONFIG_403GCX)
unsigned long tbl;
asm volatile("mfspr %0, 0x3dd" : "=r" (tbl));
return tbl;
#else
return mftbl();
#endif
}
static inline unsigned int get_tbu(void)
{
#ifdef CONFIG_403GCX
unsigned int tbu;
asm volatile("mfspr %0, 0x3dc" : "=r" (tbu));
return tbu;
#else
return mftbu();
#endif
}
#endif /* !CONFIG_PPC64 */