powerpc: Remove arch/ppc and include/asm-ppc

All the maintained platforms are now in arch/powerpc, so the old
arch/ppc stuff can now go away.

Acked-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Becky Bruce <becky.bruce@freescale.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Jochen Friedrich <jochen@scram.de>
Acked-by: John Linn <john.linn@xilinx.com>
Acked-by: Jon Loeliger <jdl@freescale.com>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Scott Wood <scottwood@freescale.com>
Acked-by: Sean MacLennan <smaclennan@pikatech.com>
Acked-by: Segher Boessenkool <segher@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 0 insertions, 294 deletions

diff --git a/arch/ppc/syslib/ibm440gx_common.c b/arch/ppc/syslib/ibm440gx_common.c
deleted file mode 100644
index 6ad52f4a26e..00000000000
--- a/arch/ppc/syslib/ibm440gx_common.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * PPC440GX system library
- *
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- * Copyright (c) 2003 - 2006 Zultys Technologies
- *
- * 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.
- *
- */
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <asm/ibm44x.h>
-#include <asm/mmu.h>
-#include <asm/processor.h>
-#include <syslib/ibm440gx_common.h>
-
-/*
- * Calculate 440GX clocks
- */
-static inline u32 __fix_zero(u32 v, u32 def){
-	return v ? v : def;
-}
-
-void __init ibm440gx_get_clocks(struct ibm44x_clocks* p, unsigned int sys_clk,
-	unsigned int ser_clk)
-{
-	u32 pllc  = CPR_READ(DCRN_CPR_PLLC);
-	u32 plld  = CPR_READ(DCRN_CPR_PLLD);
-	u32 uart0 = SDR_READ(DCRN_SDR_UART0);
-	u32 uart1 = SDR_READ(DCRN_SDR_UART1);
-#ifdef CONFIG_440EP
-	u32 uart2 = SDR_READ(DCRN_SDR_UART2);
-	u32 uart3 = SDR_READ(DCRN_SDR_UART3);
-#endif
-
-	/* Dividers */
-	u32 fbdv   = __fix_zero((plld >> 24) & 0x1f, 32);
-	u32 fwdva  = __fix_zero((plld >> 16) & 0xf, 16);
-	u32 fwdvb  = __fix_zero((plld >> 8) & 7, 8);
-	u32 lfbdv  = __fix_zero(plld & 0x3f, 64);
-	u32 pradv0 = __fix_zero((CPR_READ(DCRN_CPR_PRIMAD) >> 24) & 7, 8);
-	u32 prbdv0 = __fix_zero((CPR_READ(DCRN_CPR_PRIMBD) >> 24) & 7, 8);
-	u32 opbdv0 = __fix_zero((CPR_READ(DCRN_CPR_OPBD) >> 24) & 3, 4);
-	u32 perdv0 = __fix_zero((CPR_READ(DCRN_CPR_PERD) >> 24) & 3, 4);
-
-	/* Input clocks for primary dividers */
-	u32 clk_a, clk_b;
-
-	if (pllc & 0x40000000){
-		u32 m;
-
-		/* Feedback path */
-		switch ((pllc >> 24) & 7){
-		case 0:
-			/* PLLOUTx */
-			m = ((pllc & 0x20000000) ? fwdvb : fwdva) * lfbdv;
-			break;
-		case 1:
-			/* CPU */
-			m = fwdva * pradv0;
-			break;
-		case 5:
-			/* PERClk */
-			m = fwdvb * prbdv0 * opbdv0 * perdv0;
-			break;
-		default:
-			printk(KERN_EMERG "invalid PLL feedback source\n");
-			goto bypass;
-		}
-		m *= fbdv;
-		p->vco = sys_clk * m;
-		clk_a = p->vco / fwdva;
-		clk_b = p->vco / fwdvb;
-	}
-	else {
-bypass:
-		/* Bypass system PLL */
-		p->vco = 0;
-		clk_a = clk_b = sys_clk;
-	}
-
-	p->cpu = clk_a / pradv0;
-	p->plb = clk_b / prbdv0;
-	p->opb = p->plb / opbdv0;
-	p->ebc = p->opb / perdv0;
-
-	/* UARTs clock */
-	if (uart0 & 0x00800000)
-		p->uart0 = ser_clk;
-	else
-		p->uart0 = p->plb / __fix_zero(uart0 & 0xff, 256);
-
-	if (uart1 & 0x00800000)
-		p->uart1 = ser_clk;
-	else
-		p->uart1 = p->plb / __fix_zero(uart1 & 0xff, 256);
-#ifdef CONFIG_440EP
-	if (uart2 & 0x00800000)
-		p->uart2 = ser_clk;
-	else
-		p->uart2 = p->plb / __fix_zero(uart2 & 0xff, 256);
-
-	if (uart3 & 0x00800000)
-		p->uart3 = ser_clk;
-	else
-		p->uart3 = p->plb / __fix_zero(uart3 & 0xff, 256);
-#endif
-}
-
-/* Issue L2C diagnostic command */
-static inline u32 l2c_diag(u32 addr)
-{
-	mtdcr(DCRN_L2C0_ADDR, addr);
-	mtdcr(DCRN_L2C0_CMD, L2C_CMD_DIAG);
-	while (!(mfdcr(DCRN_L2C0_SR) & L2C_SR_CC)) ;
-	return mfdcr(DCRN_L2C0_DATA);
-}
-
-static irqreturn_t l2c_error_handler(int irq, void* dev)
-{
-	u32 sr = mfdcr(DCRN_L2C0_SR);
-	if (sr & L2C_SR_CPE){
-		/* Read cache trapped address */
-		u32 addr = l2c_diag(0x42000000);
-		printk(KERN_EMERG "L2C: Cache Parity Error, addr[16:26] = 0x%08x\n", addr);
-	}
-	if (sr & L2C_SR_TPE){
-		/* Read tag trapped address */
-		u32 addr = l2c_diag(0x82000000) >> 16;
-		printk(KERN_EMERG "L2C: Tag Parity Error, addr[16:26] = 0x%08x\n", addr);
-	}
-
-	/* Clear parity errors */
-	if (sr & (L2C_SR_CPE | L2C_SR_TPE)){
-		mtdcr(DCRN_L2C0_ADDR, 0);
-		mtdcr(DCRN_L2C0_CMD, L2C_CMD_CCP | L2C_CMD_CTE);
-	} else
-		printk(KERN_EMERG "L2C: LRU error\n");
-
-	return IRQ_HANDLED;
-}
-
-/* Enable L2 cache */
-void __init ibm440gx_l2c_enable(void){
-	u32 r;
-	unsigned long flags;
-
-	/* Install error handler */
-	if (request_irq(87, l2c_error_handler, IRQF_DISABLED, "L2C", 0) < 0){
-		printk(KERN_ERR "Cannot install L2C error handler, cache is not enabled\n");
-		return;
-	}
-
-	local_irq_save(flags);
-	asm volatile ("sync" ::: "memory");
-
-	/* Disable SRAM */
-	mtdcr(DCRN_SRAM0_DPC,   mfdcr(DCRN_SRAM0_DPC)   & ~SRAM_DPC_ENABLE);
-	mtdcr(DCRN_SRAM0_SB0CR, mfdcr(DCRN_SRAM0_SB0CR) & ~SRAM_SBCR_BU_MASK);
-	mtdcr(DCRN_SRAM0_SB1CR, mfdcr(DCRN_SRAM0_SB1CR) & ~SRAM_SBCR_BU_MASK);
-	mtdcr(DCRN_SRAM0_SB2CR, mfdcr(DCRN_SRAM0_SB2CR) & ~SRAM_SBCR_BU_MASK);
-	mtdcr(DCRN_SRAM0_SB3CR, mfdcr(DCRN_SRAM0_SB3CR) & ~SRAM_SBCR_BU_MASK);
-
-	/* Enable L2_MODE without ICU/DCU */
-	r = mfdcr(DCRN_L2C0_CFG) & ~(L2C_CFG_ICU | L2C_CFG_DCU | L2C_CFG_SS_MASK);
-	r |= L2C_CFG_L2M | L2C_CFG_SS_256;
-	mtdcr(DCRN_L2C0_CFG, r);
-
-	mtdcr(DCRN_L2C0_ADDR, 0);
-
-	/* Hardware Clear Command */
-	mtdcr(DCRN_L2C0_CMD, L2C_CMD_HCC);
-	while (!(mfdcr(DCRN_L2C0_SR) & L2C_SR_CC)) ;
-
-	/* Clear Cache Parity and Tag Errors */
-	mtdcr(DCRN_L2C0_CMD, L2C_CMD_CCP | L2C_CMD_CTE);
-
-	/* Enable 64G snoop region starting at 0 */
-	r = mfdcr(DCRN_L2C0_SNP0) & ~(L2C_SNP_BA_MASK | L2C_SNP_SSR_MASK);
-	r |= L2C_SNP_SSR_32G | L2C_SNP_ESR;
-	mtdcr(DCRN_L2C0_SNP0, r);
-
-	r = mfdcr(DCRN_L2C0_SNP1) & ~(L2C_SNP_BA_MASK | L2C_SNP_SSR_MASK);
-	r |= 0x80000000 | L2C_SNP_SSR_32G | L2C_SNP_ESR;
-	mtdcr(DCRN_L2C0_SNP1, r);
-
-	asm volatile ("sync" ::: "memory");
-
-	/* Enable ICU/DCU ports */
-	r = mfdcr(DCRN_L2C0_CFG);
-	r &= ~(L2C_CFG_DCW_MASK | L2C_CFG_PMUX_MASK | L2C_CFG_PMIM | L2C_CFG_TPEI
-		| L2C_CFG_CPEI | L2C_CFG_NAM | L2C_CFG_NBRM);
-	r |= L2C_CFG_ICU | L2C_CFG_DCU | L2C_CFG_TPC | L2C_CFG_CPC | L2C_CFG_FRAN
-		| L2C_CFG_CPIM | L2C_CFG_TPIM | L2C_CFG_LIM | L2C_CFG_SMCM;
-	mtdcr(DCRN_L2C0_CFG, r);
-
-	asm volatile ("sync; isync" ::: "memory");
-	local_irq_restore(flags);
-}
-
-/* Disable L2 cache */
-void __init ibm440gx_l2c_disable(void){
-	u32 r;
-	unsigned long flags;
-
-	local_irq_save(flags);
-	asm volatile ("sync" ::: "memory");
-
-	/* Disable L2C mode */
-	r = mfdcr(DCRN_L2C0_CFG) & ~(L2C_CFG_L2M | L2C_CFG_ICU | L2C_CFG_DCU);
-	mtdcr(DCRN_L2C0_CFG, r);
-
-	/* Enable SRAM */
-	mtdcr(DCRN_SRAM0_DPC, mfdcr(DCRN_SRAM0_DPC) | SRAM_DPC_ENABLE);
-	mtdcr(DCRN_SRAM0_SB0CR,
-	      SRAM_SBCR_BAS0 | SRAM_SBCR_BS_64KB | SRAM_SBCR_BU_RW);
-	mtdcr(DCRN_SRAM0_SB1CR,
-	      SRAM_SBCR_BAS1 | SRAM_SBCR_BS_64KB | SRAM_SBCR_BU_RW);
-	mtdcr(DCRN_SRAM0_SB2CR,
-	      SRAM_SBCR_BAS2 | SRAM_SBCR_BS_64KB | SRAM_SBCR_BU_RW);
-	mtdcr(DCRN_SRAM0_SB3CR,
-	      SRAM_SBCR_BAS3 | SRAM_SBCR_BS_64KB | SRAM_SBCR_BU_RW);
-
-	asm volatile ("sync; isync" ::: "memory");
-	local_irq_restore(flags);
-}
-
-void __init ibm440gx_l2c_setup(struct ibm44x_clocks* p)
-{
-	/* Disable L2C on rev.A, rev.B and 800MHz version of rev.C,
-	   enable it on all other revisions
-	 */
-	if (strcmp(cur_cpu_spec->cpu_name, "440GX Rev. A") == 0 ||
-			strcmp(cur_cpu_spec->cpu_name, "440GX Rev. B") == 0
-			|| (strcmp(cur_cpu_spec->cpu_name, "440GX Rev. C")
-				== 0 && p->cpu > 667000000))
-		ibm440gx_l2c_disable();
-	else
-		ibm440gx_l2c_enable();
-}
-
-int __init ibm440gx_get_eth_grp(void)
-{
-	return (SDR_READ(DCRN_SDR_PFC1) & DCRN_SDR_PFC1_EPS) >> DCRN_SDR_PFC1_EPS_SHIFT;
-}
-
-void __init ibm440gx_set_eth_grp(int group)
-{
-	SDR_WRITE(DCRN_SDR_PFC1, (SDR_READ(DCRN_SDR_PFC1) & ~DCRN_SDR_PFC1_EPS) | (group << DCRN_SDR_PFC1_EPS_SHIFT));
-}
-
-void __init ibm440gx_tah_enable(void)
-{
-	/* Enable TAH0 and TAH1 */
-	SDR_WRITE(DCRN_SDR_MFR,SDR_READ(DCRN_SDR_MFR) &
-			~DCRN_SDR_MFR_TAH0);
-	SDR_WRITE(DCRN_SDR_MFR,SDR_READ(DCRN_SDR_MFR) &
-			~DCRN_SDR_MFR_TAH1);
-}
-
-int ibm440gx_show_cpuinfo(struct seq_file *m){
-
-	u32 l2c_cfg = mfdcr(DCRN_L2C0_CFG);
-	const char* s;
-	if (l2c_cfg & L2C_CFG_L2M){
-	    switch (l2c_cfg & (L2C_CFG_ICU | L2C_CFG_DCU)){
-		case L2C_CFG_ICU: s = "I-Cache only";    break;
-		case L2C_CFG_DCU: s = "D-Cache only";    break;
-		default:	  s = "I-Cache/D-Cache"; break;
-	    }
-	}
-	else
-	    s = "disabled";
-
-	seq_printf(m, "L2-Cache\t: %s (0x%08x 0x%08x)\n", s,
-	    l2c_cfg, mfdcr(DCRN_L2C0_SR));
-
-	return 0;
-}
-
-void __init ibm440gx_platform_init(unsigned long r3, unsigned long r4,
-				   unsigned long r5, unsigned long r6,
-				   unsigned long r7)
-{
-	/* Erratum 440_43 workaround, disable L1 cache parity checking */
-	if (!strcmp(cur_cpu_spec->cpu_name, "440GX Rev. C") ||
-	    !strcmp(cur_cpu_spec->cpu_name, "440GX Rev. F"))
-		mtspr(SPRN_CCR1, mfspr(SPRN_CCR1) | CCR1_DPC);
-
-	ibm44x_platform_init(r3, r4, r5, r6, r7);
-}