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, 364 deletions

diff --git a/arch/ppc/boot/simple/mv64x60_tty.c b/arch/ppc/boot/simple/mv64x60_tty.c
deleted file mode 100644
index 8a735787a6e..00000000000
--- a/arch/ppc/boot/simple/mv64x60_tty.c
+++ /dev/null
@@ -1,364 +0,0 @@
-/*
- * Bootloader version of the embedded MPSC/UART driver for the Marvell 64x60.
- * Note: Due to a GT64260A erratum, DMA will be used for UART input (via SDMA).
- *
- * Author: Mark A. Greer <mgreer@mvista.com>
- *
- * 2001 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-/* This code assumes that the data cache has been disabled (L1, L2, L3). */
-
-#include <linux/types.h>
-#include <linux/serial_reg.h>
-#include <asm/serial.h>
-#include <asm/io.h>
-#include <asm/mv64x60_defs.h>
-#include <mpsc_defs.h>
-
-#ifdef CONFIG_EV64360
-#include <platforms/ev64360.h>
-u32	mv64x60_console_baud = EV64360_DEFAULT_BAUD;
-u32	mv64x60_mpsc_clk_src = EV64360_MPSC_CLK_SRC; /* TCLK */
-u32	mv64x60_mpsc_clk_freq = EV64360_MPSC_CLK_FREQ;
-#else
-u32	mv64x60_console_baud = 9600;
-u32	mv64x60_mpsc_clk_src = 8; /* TCLK */
-u32	mv64x60_mpsc_clk_freq = 100000000;
-#endif
-
-extern void udelay(long);
-static void stop_dma(int chan);
-
-static void __iomem *mv64x60_base = (void __iomem *)CONFIG_MV64X60_NEW_BASE;
-
-struct sdma_regs {
-	u32	sdc;
-	u32	sdcm;
-	u32	rx_desc;
-	u32	rx_buf_ptr;
-	u32	scrdp;
-	u32	tx_desc;
-	u32	sctdp;
-	u32	sftdp;
-};
-
-static struct sdma_regs	sdma_regs[2];
-
-#define	SDMA_REGS_INIT(s, reg_base) {			\
-	(s)->sdc	= (reg_base) + SDMA_SDC;	\
-	(s)->sdcm	= (reg_base) + SDMA_SDCM;	\
-	(s)->rx_desc	= (reg_base) + SDMA_RX_DESC;	\
-	(s)->rx_buf_ptr = (reg_base) + SDMA_RX_BUF_PTR;	\
-	(s)->scrdp	= (reg_base) + SDMA_SCRDP;	\
-	(s)->tx_desc	= (reg_base) + SDMA_TX_DESC;	\
-	(s)->sctdp	= (reg_base) + SDMA_SCTDP;	\
-	(s)->sftdp	= (reg_base) + SDMA_SFTDP;	\
-}
-
-static u32	mpsc_base[2] = { MV64x60_MPSC_0_OFFSET, MV64x60_MPSC_1_OFFSET };
-
-struct mv64x60_rx_desc {
-	u16	bufsize;
-	u16	bytecnt;
-	u32	cmd_stat;
-	u32	next_desc_ptr;
-	u32	buffer;
-};
-
-struct mv64x60_tx_desc {
-	u16	bytecnt;
-	u16	shadow;
-	u32	cmd_stat;
-	u32	next_desc_ptr;
-	u32	buffer;
-};
-
-#define	MAX_RESET_WAIT	10000
-#define	MAX_TX_WAIT	10000
-
-#define	RX_NUM_DESC	2
-#define	TX_NUM_DESC	2
-
-#define	RX_BUF_SIZE	32
-#define	TX_BUF_SIZE	32
-
-static struct mv64x60_rx_desc rd[2][RX_NUM_DESC] __attribute__ ((aligned(32)));
-static struct mv64x60_tx_desc td[2][TX_NUM_DESC] __attribute__ ((aligned(32)));
-
-static char rx_buf[2][RX_NUM_DESC * RX_BUF_SIZE] __attribute__ ((aligned(32)));
-static char tx_buf[2][TX_NUM_DESC * TX_BUF_SIZE] __attribute__ ((aligned(32)));
-
-static int cur_rd[2] = { 0, 0 };
-static int cur_td[2] = { 0, 0 };
-
-static char chan_initialized[2] = { 0, 0 };
-
-
-#define	RX_INIT_RDP(rdp) {			\
-	(rdp)->bufsize = 2;			\
-	(rdp)->bytecnt = 0;			\
-	(rdp)->cmd_stat = SDMA_DESC_CMDSTAT_L | SDMA_DESC_CMDSTAT_F |	\
-		SDMA_DESC_CMDSTAT_O;	\
-}
-
-#ifdef CONFIG_MV64360
-static u32 cpu2mem_tab[MV64x60_CPU2MEM_WINDOWS][2] = {
-		{ MV64x60_CPU2MEM_0_BASE, MV64x60_CPU2MEM_0_SIZE },
-		{ MV64x60_CPU2MEM_1_BASE, MV64x60_CPU2MEM_1_SIZE },
-		{ MV64x60_CPU2MEM_2_BASE, MV64x60_CPU2MEM_2_SIZE },
-		{ MV64x60_CPU2MEM_3_BASE, MV64x60_CPU2MEM_3_SIZE }
-};
-
-static u32 com2mem_tab[MV64x60_CPU2MEM_WINDOWS][2] = {
-		{ MV64360_MPSC2MEM_0_BASE, MV64360_MPSC2MEM_0_SIZE },
-		{ MV64360_MPSC2MEM_1_BASE, MV64360_MPSC2MEM_1_SIZE },
-		{ MV64360_MPSC2MEM_2_BASE, MV64360_MPSC2MEM_2_SIZE },
-		{ MV64360_MPSC2MEM_3_BASE, MV64360_MPSC2MEM_3_SIZE }
-};
-
-static u32 dram_selects[MV64x60_CPU2MEM_WINDOWS] = { 0xe, 0xd, 0xb, 0x7 };
-#endif
-
-unsigned long
-serial_init(int chan, void *ignored)
-{
-	u32		mpsc_routing_base, sdma_base, brg_bcr, cdv;
-	int		i;
-
-	chan = (chan == 1); /* default to chan 0 if anything but 1 */
-
-	if (chan_initialized[chan])
-		return chan;
-
-	chan_initialized[chan] = 1;
-
-	if (chan == 0) {
-		sdma_base = MV64x60_SDMA_0_OFFSET;
-		brg_bcr = MV64x60_BRG_0_OFFSET + BRG_BCR;
-		SDMA_REGS_INIT(&sdma_regs[0], MV64x60_SDMA_0_OFFSET);
-	} else {
-		sdma_base = MV64x60_SDMA_1_OFFSET;
-		brg_bcr = MV64x60_BRG_1_OFFSET + BRG_BCR;
-		SDMA_REGS_INIT(&sdma_regs[0], MV64x60_SDMA_1_OFFSET);
-	}
-
-	mpsc_routing_base = MV64x60_MPSC_ROUTING_OFFSET;
-
-	stop_dma(chan);
-
-	/* Set up ring buffers */
-	for (i=0; i<RX_NUM_DESC; i++) {
-		RX_INIT_RDP(&rd[chan][i]);
-		rd[chan][i].buffer = (u32)&rx_buf[chan][i * RX_BUF_SIZE];
-		rd[chan][i].next_desc_ptr = (u32)&rd[chan][i+1];
-	}
-	rd[chan][RX_NUM_DESC - 1].next_desc_ptr = (u32)&rd[chan][0];
-
-	for (i=0; i<TX_NUM_DESC; i++) {
-		td[chan][i].bytecnt = 0;
-		td[chan][i].shadow = 0;
-		td[chan][i].buffer = (u32)&tx_buf[chan][i * TX_BUF_SIZE];
-		td[chan][i].cmd_stat = SDMA_DESC_CMDSTAT_F|SDMA_DESC_CMDSTAT_L;
-		td[chan][i].next_desc_ptr = (u32)&td[chan][i+1];
-	}
-	td[chan][TX_NUM_DESC - 1].next_desc_ptr = (u32)&td[chan][0];
-
-	/* Set MPSC Routing */
-	out_le32(mv64x60_base + mpsc_routing_base + MPSC_MRR, 0x3ffffe38);
-
-#ifdef CONFIG_GT64260
-	out_le32(mv64x60_base + GT64260_MPP_SERIAL_PORTS_MULTIPLEX, 0x00001102);
-#else /* Must be MV64360 or MV64460 */
-	{
-	u32	enables, prot_bits, v;
-
-	/* Set up comm unit to memory mapping windows */
-	/* Note: Assumes MV64x60_CPU2MEM_WINDOWS == 4 */
-
-	enables = in_le32(mv64x60_base + MV64360_CPU_BAR_ENABLE) & 0xf;
-	prot_bits = 0;
-
-	for (i=0; i<MV64x60_CPU2MEM_WINDOWS; i++) {
-		if (!(enables & (1 << i))) {
-			v = in_le32(mv64x60_base + cpu2mem_tab[i][0]);
-			v = ((v & 0xffff) << 16) | (dram_selects[i] << 8);
-			out_le32(mv64x60_base + com2mem_tab[i][0], v);
-
-			v = in_le32(mv64x60_base + cpu2mem_tab[i][1]);
-			v = (v & 0xffff) << 16;
-			out_le32(mv64x60_base + com2mem_tab[i][1], v);
-
-			prot_bits |= (0x3 << (i << 1)); /* r/w access */
-		}
-	}
-
-	out_le32(mv64x60_base + MV64360_MPSC_0_REMAP, 0);
-	out_le32(mv64x60_base + MV64360_MPSC_1_REMAP, 0);
-	out_le32(mv64x60_base + MV64360_MPSC2MEM_ACC_PROT_0, prot_bits);
-	out_le32(mv64x60_base + MV64360_MPSC2MEM_ACC_PROT_1, prot_bits);
-	out_le32(mv64x60_base + MV64360_MPSC2MEM_BAR_ENABLE, enables);
-	}
-#endif
-
-	/* MPSC 0/1 Rx & Tx get clocks BRG0/1 */
-	out_le32(mv64x60_base + mpsc_routing_base + MPSC_RCRR, 0x00000100);
-	out_le32(mv64x60_base + mpsc_routing_base + MPSC_TCRR, 0x00000100);
-
-	/* clear pending interrupts */
-	out_le32(mv64x60_base + MV64x60_SDMA_INTR_OFFSET + SDMA_INTR_MASK, 0);
-
-	out_le32(mv64x60_base + SDMA_SCRDP + sdma_base, (int)&rd[chan][0]);
-	out_le32(mv64x60_base + SDMA_SCTDP + sdma_base,
-		(int)&td[chan][TX_NUM_DESC - 1]);
-	out_le32(mv64x60_base + SDMA_SFTDP + sdma_base,
-		(int)&td[chan][TX_NUM_DESC - 1]);
-
-	out_le32(mv64x60_base + SDMA_SDC + sdma_base,
-		SDMA_SDC_RFT | SDMA_SDC_SFM | SDMA_SDC_BLMR | SDMA_SDC_BLMT |
-		(3 << 12));
-
-	cdv = ((mv64x60_mpsc_clk_freq/(32*mv64x60_console_baud))-1);
-	out_le32(mv64x60_base + brg_bcr,
-		((mv64x60_mpsc_clk_src << 18) | (1 << 16) | cdv));
-
-	/* Put MPSC into UART mode, no null modem, 16x clock mode */
-	out_le32(mv64x60_base + MPSC_MMCRL + mpsc_base[chan], 0x000004c4);
-	out_le32(mv64x60_base + MPSC_MMCRH + mpsc_base[chan], 0x04400400);
-
-	out_le32(mv64x60_base + MPSC_CHR_1 + mpsc_base[chan], 0);
-	out_le32(mv64x60_base + MPSC_CHR_9 + mpsc_base[chan], 0);
-	out_le32(mv64x60_base + MPSC_CHR_10 + mpsc_base[chan], 0);
-	out_le32(mv64x60_base + MPSC_CHR_3 + mpsc_base[chan], 4);
-	out_le32(mv64x60_base + MPSC_CHR_4 + mpsc_base[chan], 0);
-	out_le32(mv64x60_base + MPSC_CHR_5 + mpsc_base[chan], 0);
-	out_le32(mv64x60_base + MPSC_CHR_6 + mpsc_base[chan], 0);
-	out_le32(mv64x60_base + MPSC_CHR_7 + mpsc_base[chan], 0);
-	out_le32(mv64x60_base + MPSC_CHR_8 + mpsc_base[chan], 0);
-
-	/* 8 data bits, 1 stop bit */
-	out_le32(mv64x60_base + MPSC_MPCR + mpsc_base[chan], (3 << 12));
-	out_le32(mv64x60_base + SDMA_SDCM + sdma_base, SDMA_SDCM_ERD);
-	out_le32(mv64x60_base + MPSC_CHR_2 + mpsc_base[chan], MPSC_CHR_2_EH);
-
-	udelay(100);
-
-	return chan;
-}
-
-static void
-stop_dma(int chan)
-{
-	int	i;
-
-	/* Abort MPSC Rx (aborting Tx messes things up) */
-	out_le32(mv64x60_base + MPSC_CHR_2 + mpsc_base[chan], MPSC_CHR_2_RA);
-
-	/* Abort SDMA Rx, Tx */
-	out_le32(mv64x60_base + sdma_regs[chan].sdcm,
-		SDMA_SDCM_AR | SDMA_SDCM_STD);
-
-	for (i=0; i<MAX_RESET_WAIT; i++) {
-		if ((in_le32(mv64x60_base + sdma_regs[chan].sdcm) &
-				(SDMA_SDCM_AR | SDMA_SDCM_AT)) == 0)
-			break;
-
-		udelay(100);
-	}
-}
-
-static int
-wait_for_ownership(int chan)
-{
-	int	i;
-
-	for (i=0; i<MAX_TX_WAIT; i++) {
-		if ((in_le32(mv64x60_base + sdma_regs[chan].sdcm) &
-				SDMA_SDCM_TXD) == 0)
-			break;
-
-		udelay(1000);
-	}
-
-	return (i < MAX_TX_WAIT);
-}
-
-void
-serial_putc(unsigned long com_port, unsigned char c)
-{
-	struct mv64x60_tx_desc	*tdp;
-
-	if (wait_for_ownership(com_port) == 0)
-		return;
-
-	tdp = &td[com_port][cur_td[com_port]];
-	if (++cur_td[com_port] >= TX_NUM_DESC)
-		cur_td[com_port] = 0;
-
-	*(unchar *)(tdp->buffer ^ 7) = c;
-	tdp->bytecnt = 1;
-	tdp->shadow = 1;
-	tdp->cmd_stat = SDMA_DESC_CMDSTAT_L | SDMA_DESC_CMDSTAT_F |
-		SDMA_DESC_CMDSTAT_O;
-
-	out_le32(mv64x60_base + sdma_regs[com_port].sctdp, (int)tdp);
-	out_le32(mv64x60_base + sdma_regs[com_port].sftdp, (int)tdp);
-	out_le32(mv64x60_base + sdma_regs[com_port].sdcm,
-		in_le32(mv64x60_base + sdma_regs[com_port].sdcm) |
-			SDMA_SDCM_TXD);
-}
-
-unsigned char
-serial_getc(unsigned long com_port)
-{
-	struct mv64x60_rx_desc	*rdp;
-	unchar			c = '\0';
-
-	rdp = &rd[com_port][cur_rd[com_port]];
-
-	if ((rdp->cmd_stat & (SDMA_DESC_CMDSTAT_O|SDMA_DESC_CMDSTAT_ES)) == 0) {
-		c = *(unchar *)(rdp->buffer ^ 7);
-		RX_INIT_RDP(rdp);
-		if (++cur_rd[com_port] >= RX_NUM_DESC)
-			cur_rd[com_port] = 0;
-	}
-
-	return c;
-}
-
-int
-serial_tstc(unsigned long com_port)
-{
-	struct mv64x60_rx_desc	*rdp;
-	int			loop_count = 0;
-	int			rc = 0;
-
-	rdp = &rd[com_port][cur_rd[com_port]];
-
-	/* Go through rcv descs until empty looking for one with data (no error)*/
-	while (((rdp->cmd_stat & SDMA_DESC_CMDSTAT_O) == 0) &&
-		(loop_count++ < RX_NUM_DESC)) {
-
-		/* If there was an error, reinit the desc & continue */
-		if ((rdp->cmd_stat & SDMA_DESC_CMDSTAT_ES) != 0) {
-			RX_INIT_RDP(rdp);
-			if (++cur_rd[com_port] >= RX_NUM_DESC)
-				cur_rd[com_port] = 0;
-			rdp = (struct mv64x60_rx_desc *)rdp->next_desc_ptr;
-		} else {
-			rc = 1;
-			break;
-		}
-	}
-
-	return rc;
-}
-
-void
-serial_close(unsigned long com_port)
-{
-	stop_dma(com_port);
-}