ppc4xx: Remove IOP480 support
Since the IOP480 (PPC401/3 variant from PLX) is only used on 2
boards that are not actively maintained, lets remove support
for it completely. This way the ppc4xx code will get a bit cleaner.
Signed-off-by: Stefan Roese <sr@denx.de>
Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/arch/powerpc/cpu/ppc4xx/Makefile b/arch/powerpc/cpu/ppc4xx/Makefile
index 3d62255..8da2f86 100644
--- a/arch/powerpc/cpu/ppc4xx/Makefile
+++ b/arch/powerpc/cpu/ppc4xx/Makefile
@@ -53,7 +53,6 @@
COBJS-$(CONFIG_CMD_ECCTEST) += cmd_ecctest.o
COBJS += fdt.o
COBJS += interrupts.o
-COBJS += iop480_uart.o
COBJS-$(CONFIG_CMD_REGINFO) += reginfo.o
COBJS += sdram.o
COBJS += speed.o
diff --git a/arch/powerpc/cpu/ppc4xx/cpu.c b/arch/powerpc/cpu/ppc4xx/cpu.c
index 67f1fff..60aba8c 100644
--- a/arch/powerpc/cpu/ppc4xx/cpu.c
+++ b/arch/powerpc/cpu/ppc4xx/cpu.c
@@ -79,7 +79,7 @@
#endif
#endif /* CONFIG_PCI */
-#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && \
+#if defined(CONFIG_PCI) && \
!defined(CONFIG_405) && !defined(CONFIG_405EX)
int pci_arbiter_enabled(void)
{
@@ -303,7 +303,6 @@
u32 reg;
#endif
-#if !defined(CONFIG_IOP480)
char addstr[64] = "";
sys_info_t sys_info;
int cpu_num;
@@ -671,14 +670,6 @@
printf (" 16 kB I-Cache %d kB D-Cache",
((pvr | 0x00000001) == PVR_405GPR_RB) ? 16 : 8);
#endif
-#endif /* !defined(CONFIG_IOP480) */
-
-#if defined(CONFIG_IOP480)
- printf ("PLX IOP480 (PVR=%08x)", pvr);
- printf (" at %s MHz:", strmhz(buf, clock));
- printf (" %u kB I-Cache", 4);
- printf (" %u kB D-Cache", 2);
-#endif
#endif /* !defined(CONFIG_405) */
@@ -723,15 +714,10 @@
*/
unsigned long get_tbclk (void)
{
-#if !defined(CONFIG_IOP480)
sys_info_t sys_info;
get_sys_info(&sys_info);
return (sys_info.freqProcessor);
-#else
- return (66000000);
-#endif
-
}
diff --git a/arch/powerpc/cpu/ppc4xx/iop480_uart.c b/arch/powerpc/cpu/ppc4xx/iop480_uart.c
deleted file mode 100644
index 9473984..0000000
--- a/arch/powerpc/cpu/ppc4xx/iop480_uart.c
+++ /dev/null
@@ -1,254 +0,0 @@
-/*
- * (C) Copyright 2000-2006
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#include <common.h>
-#include <commproc.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <watchdog.h>
-#include <serial.h>
-#include <linux/compiler.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_IOP480
-
-#define SPU_BASE 0x40000000
-
-#define spu_LineStat_rc 0x00 /* Line Status Register (Read/Clear) */
-#define spu_LineStat_w 0x04 /* Line Status Register (Set) */
-#define spu_Handshk_rc 0x08 /* Handshake Status Register (Read/Clear) */
-#define spu_Handshk_w 0x0c /* Handshake Status Register (Set) */
-#define spu_BRateDivh 0x10 /* Baud rate divisor high */
-#define spu_BRateDivl 0x14 /* Baud rate divisor low */
-#define spu_CtlReg 0x18 /* Control Register */
-#define spu_RxCmd 0x1c /* Rx Command Register */
-#define spu_TxCmd 0x20 /* Tx Command Register */
-#define spu_RxBuff 0x24 /* Rx data buffer */
-#define spu_TxBuff 0x24 /* Tx data buffer */
-
-/*-----------------------------------------------------------------------------+
- | Line Status Register.
- +-----------------------------------------------------------------------------*/
-#define asyncLSRport1 0x40000000
-#define asyncLSRport1set 0x40000004
-#define asyncLSRDataReady 0x80
-#define asyncLSRFramingError 0x40
-#define asyncLSROverrunError 0x20
-#define asyncLSRParityError 0x10
-#define asyncLSRBreakInterrupt 0x08
-#define asyncLSRTxHoldEmpty 0x04
-#define asyncLSRTxShiftEmpty 0x02
-
-/*-----------------------------------------------------------------------------+
- | Handshake Status Register.
- +-----------------------------------------------------------------------------*/
-#define asyncHSRport1 0x40000008
-#define asyncHSRport1set 0x4000000c
-#define asyncHSRDsr 0x80
-#define asyncLSRCts 0x40
-
-/*-----------------------------------------------------------------------------+
- | Control Register.
- +-----------------------------------------------------------------------------*/
-#define asyncCRport1 0x40000018
-#define asyncCRNormal 0x00
-#define asyncCRLoopback 0x40
-#define asyncCRAutoEcho 0x80
-#define asyncCRDtr 0x20
-#define asyncCRRts 0x10
-#define asyncCRWordLength7 0x00
-#define asyncCRWordLength8 0x08
-#define asyncCRParityDisable 0x00
-#define asyncCRParityEnable 0x04
-#define asyncCREvenParity 0x00
-#define asyncCROddParity 0x02
-#define asyncCRStopBitsOne 0x00
-#define asyncCRStopBitsTwo 0x01
-#define asyncCRDisableDtrRts 0x00
-
-/*-----------------------------------------------------------------------------+
- | Receiver Command Register.
- +-----------------------------------------------------------------------------*/
-#define asyncRCRport1 0x4000001c
-#define asyncRCRDisable 0x00
-#define asyncRCREnable 0x80
-#define asyncRCRIntDisable 0x00
-#define asyncRCRIntEnabled 0x20
-#define asyncRCRDMACh2 0x40
-#define asyncRCRDMACh3 0x60
-#define asyncRCRErrorInt 0x10
-#define asyncRCRPauseEnable 0x08
-
-/*-----------------------------------------------------------------------------+
- | Transmitter Command Register.
- +-----------------------------------------------------------------------------*/
-#define asyncTCRport1 0x40000020
-#define asyncTCRDisable 0x00
-#define asyncTCREnable 0x80
-#define asyncTCRIntDisable 0x00
-#define asyncTCRIntEnabled 0x20
-#define asyncTCRDMACh2 0x40
-#define asyncTCRDMACh3 0x60
-#define asyncTCRTxEmpty 0x10
-#define asyncTCRErrorInt 0x08
-#define asyncTCRStopPause 0x04
-#define asyncTCRBreakGen 0x02
-
-/*-----------------------------------------------------------------------------+
- | Miscellanies defines.
- +-----------------------------------------------------------------------------*/
-#define asyncTxBufferport1 0x40000024
-#define asyncRxBufferport1 0x40000024
-#define asyncDLABLsbport1 0x40000014
-#define asyncDLABMsbport1 0x40000010
-#define asyncXOFFchar 0x13
-#define asyncXONchar 0x11
-
-/*
- * Minimal serial functions needed to use one of the SMC ports
- * as serial console interface.
- */
-
-static int iop480_serial_init(void)
-{
- unsigned short br_reg;
-
- br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1);
-
- /*
- * Init onboard UART
- */
- out_8((u8 *)SPU_BASE + spu_LineStat_rc, 0x78); /* Clear all bits in Line Status Reg */
- out_8((u8 *)SPU_BASE + spu_BRateDivl, (br_reg & 0x00ff)); /* Set baud rate divisor... */
- out_8((u8 *)SPU_BASE + spu_BRateDivh, ((br_reg & 0xff00) >> 8)); /* ... */
- out_8((u8 *)SPU_BASE + spu_CtlReg, 0x08); /* Set 8 bits, no parity and 1 stop bit */
- out_8((u8 *)SPU_BASE + spu_RxCmd, 0xb0); /* Enable Rx */
- out_8((u8 *)SPU_BASE + spu_TxCmd, 0x9c); /* Enable Tx */
- out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff); /* Clear Handshake */
- in_8((u8 *)SPU_BASE + spu_RxBuff); /* Dummy read, to clear receiver */
-
- return (0);
-}
-
-static void iop480_serial_setbrg(void)
-{
- unsigned short br_reg;
-
- br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1);
-
- out_8((u8 *)SPU_BASE + spu_BRateDivl,
- (br_reg & 0x00ff)); /* Set baud rate divisor... */
- out_8((u8 *)SPU_BASE + spu_BRateDivh,
- ((br_reg & 0xff00) >> 8)); /* ... */
-}
-
-static void iop480_serial_putc(const char c)
-{
- if (c == '\n')
- serial_putc ('\r');
-
- /* load status from handshake register */
- if (in_8((u8 *)SPU_BASE + spu_Handshk_rc) != 00)
- out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff); /* Clear Handshake */
-
- out_8((u8 *)SPU_BASE + spu_TxBuff, c); /* Put char */
-
- while ((in_8((u8 *)SPU_BASE + spu_LineStat_rc) & 04) != 04) {
- if (in_8((u8 *)SPU_BASE + spu_Handshk_rc) != 00)
- out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff); /* Clear Handshake */
- }
-}
-
-static void iop480_serial_puts(const char *s)
-{
- while (*s) {
- serial_putc (*s++);
- }
-}
-
-static int iop480_serial_getc(void)
-{
- unsigned char status = 0;
-
- while (1) {
- status = in_8((u8 *)asyncLSRport1);
- if ((status & asyncLSRDataReady) != 0x0) {
- break;
- }
- if ((status & ( asyncLSRFramingError |
- asyncLSROverrunError |
- asyncLSRParityError |
- asyncLSRBreakInterrupt )) != 0) {
- (void) out_8((u8 *)asyncLSRport1,
- asyncLSRFramingError |
- asyncLSROverrunError |
- asyncLSRParityError |
- asyncLSRBreakInterrupt );
- }
- }
- return (0x000000ff & (int) in_8((u8 *)asyncRxBufferport1));
-}
-
-static int iop480_serial_tstc(void)
-{
- unsigned char status;
-
- status = in_8((u8 *)asyncLSRport1);
- if ((status & asyncLSRDataReady) != 0x0) {
- return (1);
- }
- if ((status & ( asyncLSRFramingError |
- asyncLSROverrunError |
- asyncLSRParityError |
- asyncLSRBreakInterrupt )) != 0) {
- (void) out_8((u8 *)asyncLSRport1,
- asyncLSRFramingError |
- asyncLSROverrunError |
- asyncLSRParityError |
- asyncLSRBreakInterrupt);
- }
- return 0;
-}
-
-static struct serial_device iop480_serial_drv = {
- .name = "iop480_serial",
- .start = iop480_serial_init,
- .stop = NULL,
- .setbrg = iop480_serial_setbrg,
- .putc = iop480_serial_putc,
- .puts = iop480_serial_puts,
- .getc = iop480_serial_getc,
- .tstc = iop480_serial_tstc,
-};
-
-void iop480_serial_initialize(void)
-{
- serial_register(&iop480_serial_drv);
-}
-
-__weak struct serial_device *default_serial_console(void)
-{
- return &iop480_serial_drv;
-}
-#endif /* CONFIG_IOP480 */
diff --git a/arch/powerpc/cpu/ppc4xx/speed.c b/arch/powerpc/cpu/ppc4xx/speed.c
index 09d6671..6156ac9 100644
--- a/arch/powerpc/cpu/ppc4xx/speed.c
+++ b/arch/powerpc/cpu/ppc4xx/speed.c
@@ -1190,22 +1190,12 @@
int get_clocks (void)
{
-#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
- defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
- defined(CONFIG_405EX) || defined(CONFIG_405) || \
- defined(CONFIG_440)
sys_info_t sys_info;
get_sys_info (&sys_info);
gd->cpu_clk = sys_info.freqProcessor;
gd->bus_clk = sys_info.freqPLB;
-#endif /* defined(CONFIG_405GP) || defined(CONFIG_405CR) */
-
-#ifdef CONFIG_IOP480
- gd->cpu_clk = 66000000;
- gd->bus_clk = 66000000;
-#endif
return (0);
}
@@ -1226,11 +1216,6 @@
get_sys_info (&sys_info);
val = sys_info.freqPLB;
-
-#elif defined(CONFIG_IOP480)
-
- val = 66;
-
#else
# error get_bus_freq() not implemented
#endif
@@ -1238,7 +1223,6 @@
return val;
}
-#if !defined(CONFIG_IOP480)
ulong get_OPB_freq (void)
{
PPC4xx_SYS_INFO sys_info;
@@ -1247,4 +1231,3 @@
return sys_info.freqOPB;
}
-#endif
diff --git a/arch/powerpc/cpu/ppc4xx/start.S b/arch/powerpc/cpu/ppc4xx/start.S
index 3b0e364..7aef43b 100644
--- a/arch/powerpc/cpu/ppc4xx/start.S
+++ b/arch/powerpc/cpu/ppc4xx/start.S
@@ -806,114 +806,6 @@
#endif /* CONFIG_440 */
/*****************************************************************************/
-#ifdef CONFIG_IOP480
- /*----------------------------------------------------------------------- */
- /* Set up some machine state registers. */
- /*----------------------------------------------------------------------- */
- addi r0,r0,0x0000 /* initialize r0 to zero */
- mtspr SPRN_ESR,r0 /* clear Exception Syndrome Reg */
- mttcr r0 /* timer control register */
- mtexier r0 /* disable all interrupts */
- addis r4,r0,0xFFFF /* set r4 to 0xFFFFFFFF (status in the */
- ori r4,r4,0xFFFF /* dbsr is cleared by setting bits to 1) */
- mtdbsr r4 /* clear/reset the dbsr */
- mtexisr r4 /* clear all pending interrupts */
- addis r4,r0,0x8000
- mtexier r4 /* enable critical exceptions */
- addis r4,r0,0x0000 /* assume 403GCX - enable core clk */
- ori r4,r4,0x4020 /* dbling (no harm done on GA and GC */
- mtiocr r4 /* since bit not used) & DRC to latch */
- /* data bus on rising edge of CAS */
- /*----------------------------------------------------------------------- */
- /* Clear XER. */
- /*----------------------------------------------------------------------- */
- mtxer r0
- /*----------------------------------------------------------------------- */
- /* Invalidate i-cache and d-cache TAG arrays. */
- /*----------------------------------------------------------------------- */
- addi r3,0,1024 /* 1/4 of I-cache size, half of D-cache */
- addi r4,0,1024 /* 1/4 of I-cache */
-..cloop:
- iccci 0,r3
- iccci r4,r3
- dccci 0,r3
- addic. r3,r3,-16 /* move back one cache line */
- bne ..cloop /* loop back to do rest until r3 = 0 */
-
- /* */
- /* initialize IOP480 so it can read 1 MB code area for SRAM spaces */
- /* this requires enabling MA[17..0], by default only MA[12..0] are enabled. */
- /* */
-
- /* first copy IOP480 register base address into r3 */
- addis r3,0,0x5000 /* IOP480 register base address hi */
-/* ori r3,r3,0x0000 / IOP480 register base address lo */
-
-#ifdef CONFIG_ADCIOP
- /* use r4 as the working variable */
- /* turn on CS3 (LOCCTL.7) */
- lwz r4,0x84(r3) /* LOCTL is at offset 0x84 */
- andi. r4,r4,0xff7f /* make bit 7 = 0 -- CS3 mode */
- stw r4,0x84(r3) /* LOCTL is at offset 0x84 */
-#endif
-
-#ifdef CONFIG_DASA_SIM
- /* use r4 as the working variable */
- /* turn on MA17 (LOCCTL.7) */
- lwz r4,0x84(r3) /* LOCTL is at offset 0x84 */
- ori r4,r4,0x80 /* make bit 7 = 1 -- MA17 mode */
- stw r4,0x84(r3) /* LOCTL is at offset 0x84 */
-#endif
-
- /* turn on MA16..13 (LCS0BRD.12 = 0) */
- lwz r4,0x100(r3) /* LCS0BRD is at offset 0x100 */
- andi. r4,r4,0xefff /* make bit 12 = 0 */
- stw r4,0x100(r3) /* LCS0BRD is at offset 0x100 */
-
- /* make sure above stores all comlete before going on */
- sync
-
- /* last thing, set local init status done bit (DEVINIT.31) */
- lwz r4,0x80(r3) /* DEVINIT is at offset 0x80 */
- oris r4,r4,0x8000 /* make bit 31 = 1 */
- stw r4,0x80(r3) /* DEVINIT is at offset 0x80 */
-
- /* clear all pending interrupts and disable all interrupts */
- li r4,-1 /* set p1 to 0xffffffff */
- stw r4,0x1b0(r3) /* clear all pending interrupts */
- stw r4,0x1b8(r3) /* clear all pending interrupts */
- li r4,0 /* set r4 to 0 */
- stw r4,0x1b4(r3) /* disable all interrupts */
- stw r4,0x1bc(r3) /* disable all interrupts */
-
- /* make sure above stores all comlete before going on */
- sync
-
- /* Set-up icache cacheability. */
- lis r1, CONFIG_SYS_ICACHE_SACR_VALUE@h
- ori r1, r1, CONFIG_SYS_ICACHE_SACR_VALUE@l
- mticcr r1
- isync
-
- /* Set-up dcache cacheability. */
- lis r1, CONFIG_SYS_DCACHE_SACR_VALUE@h
- ori r1, r1, CONFIG_SYS_DCACHE_SACR_VALUE@l
- mtdccr r1
-
- addis r1,r0,CONFIG_SYS_INIT_RAM_ADDR@h
- ori r1,r1,CONFIG_SYS_INIT_SP_OFFSET /* set up the stack to SDRAM */
- li r0, 0 /* Make room for stack frame header and */
- stwu r0, -4(r1) /* clear final stack frame so that */
- stwu r0, -4(r1) /* stack backtraces terminate cleanly */
-
- GET_GOT /* initialize GOT access */
-
- bl board_init_f /* run first part of init code (from Flash) */
- /* NOTREACHED - board_init_f() does not return */
-
-#endif /* CONFIG_IOP480 */
-
-/*****************************************************************************/
#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \
defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \
defined(CONFIG_405EX) || defined(CONFIG_405)
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index e6b8f69..5f9c640 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -8,7 +8,7 @@
#include <asm/processor.h>
/* bytes per L1 cache line */
-#if defined(CONFIG_8xx) || defined(CONFIG_IOP480)
+#if defined(CONFIG_8xx)
#define L1_CACHE_SHIFT 4
#elif defined(CONFIG_PPC64BRIDGE)
#define L1_CACHE_SHIFT 7
diff --git a/arch/powerpc/include/asm/ppc405.h b/arch/powerpc/include/asm/ppc405.h
index 14a7a37..892848a 100644
--- a/arch/powerpc/include/asm/ppc405.h
+++ b/arch/powerpc/include/asm/ppc405.h
@@ -28,11 +28,7 @@
#define PPC_128MB_SACR_BIT(addr) ((addr) >> 27)
#define PPC_128MB_SACR_VALUE(addr) PPC_REG_VAL(PPC_128MB_SACR_BIT(addr),1)
-#ifndef CONFIG_IOP480
#define CONFIG_SYS_DCACHE_SIZE (16 << 10) /* For AMCC 405 CPUs */
-#else
-#define CONFIG_SYS_DCACHE_SIZE (2 << 10) /* For PLX IOP480(403)*/
-#endif
/* DCR registers */
#define PLB0_ACR 0x0087