[PATCH 9/8] ARM: OMAP2+: Remove now obsolete uncompress.h and debug-macro.S

Tony Lindgren
2012-12-21T17:48:24Z

These are no longer needed, we now have to select the
debug_ll port manually. The new multiplatform version of the
debug_ll code is in arch/arm/include/debug/omap2plus.S.

Signed-off-by: Tony Lindgren <tony@atomide.com>

--- a/arch/arm/mach-omap2/include/mach/debug-macro.S
+++ /dev/null
@@ -1,165 +0,0 @@
-/* arch/arm/mach-omap2/include/mach/debug-macro.S
- *
- * Debugging macro include header
- *
- * Copyright (C) 1994-1999 Russell King
- * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
-*/
-
-#include <linux/serial_reg.h>
-
-#include <mach/serial.h>
-
-#define UART_OFFSET(addr) ((addr) & 0x00ffffff)
-
- .pushsection .data
-omap_uart_phys: .word 0
-omap_uart_virt: .word 0
-omap_uart_lsr: .word 0
- .popsection
-
- /*
- * Note that this code won't work if the bootloader passes
- * a wrong machine ID number in r1. To debug, just hardcode
- * the desired UART phys and virt addresses temporarily into
- * the omap_uart_phys and omap_uart_virt above.
- */
- .macro addruart, rp, rv, tmp
-
- /* Use omap_uart_phys/virt if already configured */
-10: adr \rp, 99f @ get effective addr of 99f
- ldr \rv, [\rp] @ get absolute addr of 99f
- sub \rv, \rv, \rp @ offset between the two
- ldr \rp, [\rp, #4] @ abs addr of omap_uart_phys
- sub \tmp, \rp, \rv @ make it effective
- ldr \rp, [\tmp, #0] @ omap_uart_phys
- ldr \rv, [\tmp, #4] @ omap_uart_virt
- cmp \rp, #0 @ is port configured?
- cmpne \rv, #0
- bne 100f @ already configured
-
- /* Check the debug UART configuration set in uncompress.h */
- mov \rp, pc
- ldr \rv, =OMAP_UART_INFO_OFS
- and \rp, \rp, #0xff000000
- ldr \rp, [\rp, \rv]
-
- /* Select the UART to use based on the UART1 scratchpad value */
- cmp \rp, #0 @ no port configured?
- beq 21f @ if none, try to use UART1
- cmp \rp, #OMAP2UART1 @ OMAP2/3/4UART1
- beq 21f @ configure OMAP2/3/4UART1
- cmp \rp, #OMAP2UART2 @ OMAP2/3/4UART2
- beq 22f @ configure OMAP2/3/4UART2
- cmp \rp, #OMAP2UART3 @ only on 24xx
- beq 23f @ configure OMAP2UART3
- cmp \rp, #OMAP3UART3 @ only on 34xx
- beq 33f @ configure OMAP3UART3
- cmp \rp, #OMAP4UART3 @ only on 44xx/54xx
- beq 43f @ configure OMAP4/5UART3
- cmp \rp, #OMAP3UART4 @ only on 36xx
- beq 34f @ configure OMAP3UART4
- cmp \rp, #OMAP4UART4 @ only on 44xx/54xx
- beq 44f @ configure OMAP4/5UART4
- cmp \rp, #TI81XXUART1 @ ti81Xx UART offsets different
- beq 81f @ configure UART1
- cmp \rp, #TI81XXUART2 @ ti81Xx UART offsets different
- beq 82f @ configure UART2
- cmp \rp, #TI81XXUART3 @ ti81Xx UART offsets different
- beq 83f @ configure UART3
- cmp \rp, #AM33XXUART1 @ AM33XX UART offsets different
- beq 84f @ configure UART1
- cmp \rp, #ZOOM_UART @ only on zoom2/3
- beq 95f @ configure ZOOM_UART
-
- /* Configure the UART offset from the phys/virt base */
-21: mov \rp, #UART_OFFSET(OMAP2_UART1_BASE) @ omap2/3/4
- b 98f
-22: mov \rp, #UART_OFFSET(OMAP2_UART2_BASE) @ omap2/3/4
- b 98f
-23: mov \rp, #UART_OFFSET(OMAP2_UART3_BASE)
- b 98f
-33: mov \rp, #UART_OFFSET(OMAP3_UART1_BASE)
- add \rp, \rp, #0x00fb0000
- add \rp, \rp, #0x00006000 @ OMAP3_UART3_BASE
- b 98f
-34: mov \rp, #UART_OFFSET(OMAP3_UART1_BASE)
- add \rp, \rp, #0x00fb0000
- add \rp, \rp, #0x00028000 @ OMAP3_UART4_BASE
- b 98f
-43: mov \rp, #UART_OFFSET(OMAP4_UART3_BASE)
- b 98f
-44: mov \rp, #UART_OFFSET(OMAP4_UART4_BASE)
- b 98f
-81: mov \rp, #UART_OFFSET(TI81XX_UART1_BASE)
- b 98f
-82: mov \rp, #UART_OFFSET(TI81XX_UART2_BASE)
- b 98f
-83: mov \rp, #UART_OFFSET(TI81XX_UART3_BASE)
- b 98f
-84: ldr \rp, =AM33XX_UART1_BASE
- and \rp, \rp, #0x00ffffff
- b 97f
-95: ldr \rp, =ZOOM_UART_BASE
- str \rp, [\tmp, #0] @ omap_uart_phys
- ldr \rp, =ZOOM_UART_VIRT
- str \rp, [\tmp, #4] @ omap_uart_virt
- mov \rp, #(UART_LSR << ZOOM_PORT_SHIFT)
- str \rp, [\tmp, #8] @ omap_uart_lsr
- b 10b
-
- /* AM33XX: Store both phys and virt address for the uart */
-97: add \rp, \rp, #0x44000000 @ phys base
- str \rp, [\tmp, #0] @ omap_uart_phys
- sub \rp, \rp, #0x44000000 @ phys base
- add \rp, \rp, #0xf9000000 @ virt base
- str \rp, [\tmp, #4] @ omap_uart_virt
- mov \rp, #(UART_LSR << OMAP_PORT_SHIFT)
- str \rp, [\tmp, #8] @ omap_uart_lsr
-
- b 10b
-
- /* Store both phys and virt address for the uart */
-98: add \rp, \rp, #0x48000000 @ phys base
- str \rp, [\tmp, #0] @ omap_uart_phys
- sub \rp, \rp, #0x48000000 @ phys base
- add \rp, \rp, #0xfa000000 @ virt base
- str \rp, [\tmp, #4] @ omap_uart_virt
- mov \rp, #(UART_LSR << OMAP_PORT_SHIFT)
- str \rp, [\tmp, #8] @ omap_uart_lsr
-
- b 10b
-
- .align
-99: .word .
- .word omap_uart_phys
- .ltorg
-
-100: /* Pass the UART_LSR reg address */
- ldr \tmp, [\tmp, #8] @ omap_uart_lsr
- add \rp, \rp, \tmp
- add \rv, \rv, \tmp
- .endm
-
- .macro senduart,rd,rx
- orr \rd, \rd, \rx, lsl #24 @ preserve LSR reg offset
- bic \rx, \rx, #0xff @ get base (THR) reg address
- strb \rd, [\rx] @ send lower byte of rd
- orr \rx, \rx, \rd, lsr #24 @ restore original rx (LSR)
- bic \rd, \rd, #(0xff << 24) @ restore original rd
- .endm
-
- .macro busyuart,rd,rx
-1001: ldrb \rd, [\rx] @ rx contains UART_LSR address
- and \rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE)
- teq \rd, #(UART_LSR_TEMT | UART_LSR_THRE)
- bne 1001b
- .endm
-
- .macro waituart,rd,rx
- .endm
--- a/arch/arm/mach-omap2/include/mach/serial.h
+++ b/arch/arm/mach-omap2/include/mach/serial.h
@@ -8,20 +8,6 @@
* GNU General Public License for more details.
*/

-/*
- * Memory entry used for the DEBUG_LL UART configuration, relative to
- * start of RAM. See also uncompress.h and debug-macro.S.
- *
- * Note that using a memory location for storing the UART configuration
- * has at least two limitations:
- *
- * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the
- * uncompress code could then partially overwrite itself
- * 2. We assume printascii is called at least once before paging_init,
- * and addruart has a chance to read OMAP_UART_INFO
- */
-#define OMAP_UART_INFO_OFS 0x3ffc
-
/* OMAP2 serial ports */
#define OMAP2_UART1_BASE 0x4806a000
#define OMAP2_UART2_BASE 0x4806c000
@@ -68,29 +54,6 @@

#define OMAP24XX_BASE_BAUD (48000000/16)

-/*
- * DEBUG_LL port encoding stored into the UART1 scratchpad register by
- * decomp_setup in uncompress.h
- */
-#define OMAP2UART1 21
-#define OMAP2UART2 22
-#define OMAP2UART3 23
-#define OMAP3UART1 OMAP2UART1
-#define OMAP3UART2 OMAP2UART2
-#define OMAP3UART3 33
-#define OMAP3UART4 34 /* Only on 36xx */
-#define OMAP4UART1 OMAP2UART1
-#define OMAP4UART2 OMAP2UART2
-#define OMAP4UART3 43
-#define OMAP4UART4 44
-#define TI81XXUART1 81
-#define TI81XXUART2 82
-#define TI81XXUART3 83
-#define AM33XXUART1 84
-#define OMAP5UART3 OMAP4UART3
-#define OMAP5UART4 OMAP4UART4
-#define ZOOM_UART 95 /* Only on zoom2/3 */
-
#ifndef __ASSEMBLER__

struct omap_board_data;
--- a/arch/arm/mach-omap2/include/mach/uncompress.h
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * arch/arm/plat-omap/include/mach/uncompress.h
- *
- * Serial port stubs for kernel decompress status messages
- *
- * Initially based on:
- * linux-2.4.15-rmk1-dsplinux1.6/arch/arm/plat-omap/include/mach1510/uncompress.h
- * Copyright (C) 2000 RidgeRun, Inc.
- * Author: Greg Lonnon <glonnon@ridgerun.com>
- *
- * Rewritten by:
- * Author: <source@mvista.com>
- * 2004 (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.
- */
-
-#include <linux/types.h>
-#include <linux/serial_reg.h>
-
-#include <asm/memory.h>
-#include <asm/mach-types.h>
-
-#include <mach/serial.h>
-
-#define MDR1_MODE_MASK 0x07
-
-volatile u8 *uart_base;
-int uart_shift;
-
-/*
- * Store the DEBUG_LL uart number into memory.
- * See also debug-macro.S, and serial.c for related code.
- */
-static void set_omap_uart_info(unsigned char port)
-{
- /*
- * Get address of some.bss variable and round it down
- * a la CONFIG_AUTO_ZRELADDR.
- */
- u32 ram_start = (u32)&uart_shift & 0xf8000000;
- u32 *uart_info = (u32 *)(ram_start + OMAP_UART_INFO_OFS);
- *uart_info = port;
-}
-
-static void putc(int c)
-{
- if (!uart_base)
- return;
-
- /* Check for UART 16x mode */
- if ((uart_base[UART_OMAP_MDR1 << uart_shift] & MDR1_MODE_MASK) != 0)
- return;
-
- while (!(uart_base[UART_LSR << uart_shift] & UART_LSR_THRE))
- barrier();
- uart_base[UART_TX << uart_shift] = c;
-}
-
-static inline void flush(void)
-{
-}
-
-/*
- * Macros to configure UART1 and debug UART
- */
-#define _DEBUG_LL_ENTRY(mach, dbg_uart, dbg_shft, dbg_id) \
- if (machine_is_##mach()) { \
- uart_base = (volatile u8 *)(dbg_uart); \
- uart_shift = (dbg_shft); \
- port = (dbg_id); \
- set_omap_uart_info(port); \
- break; \
- }
-
-#define DEBUG_LL_OMAP2(p, mach) \
- _DEBUG_LL_ENTRY(mach, OMAP2_UART##p##_BASE, OMAP_PORT_SHIFT, \
- OMAP2UART##p)
-
-#define DEBUG_LL_OMAP3(p, mach) \
- _DEBUG_LL_ENTRY(mach, OMAP3_UART##p##_BASE, OMAP_PORT_SHIFT, \
- OMAP3UART##p)
-
-#define DEBUG_LL_OMAP4(p, mach) \
- _DEBUG_LL_ENTRY(mach, OMAP4_UART##p##_BASE, OMAP_PORT_SHIFT, \
- OMAP4UART##p)
-
-#define DEBUG_LL_OMAP5(p, mach) \
- _DEBUG_LL_ENTRY(mach, OMAP5_UART##p##_BASE, OMAP_PORT_SHIFT, \
- OMAP5UART##p)
-/* Zoom2/3 shift is different for UART1 and external port */
-#define DEBUG_LL_ZOOM(mach) \
- _DEBUG_LL_ENTRY(mach, ZOOM_UART_BASE, ZOOM_PORT_SHIFT, ZOOM_UART)
-
-#define DEBUG_LL_TI81XX(p, mach) \
- _DEBUG_LL_ENTRY(mach, TI81XX_UART##p##_BASE, OMAP_PORT_SHIFT, \
- TI81XXUART##p)
-
-#define DEBUG_LL_AM33XX(p, mach) \
- _DEBUG_LL_ENTRY(mach, AM33XX_UART##p##_BASE, OMAP_PORT_SHIFT, \
- AM33XXUART##p)
-
-static inline void arch_decomp_setup(void)
-{
- int port = 0;
-
- /*
- * Initialize the port based on the machine ID from the bootloader.
- * Note that we're using macros here instead of switch statement
- * as machine_is functions are optimized out for the boards that
- * are not selected.
- */
- do {
- /* omap2 based boards using UART1 */
- DEBUG_LL_OMAP2(1, omap_2430sdp);
- DEBUG_LL_OMAP2(1, omap_apollon);
- DEBUG_LL_OMAP2(1, omap_h4);
-
- /* omap2 based boards using UART3 */
- DEBUG_LL_OMAP2(3, nokia_n800);
- DEBUG_LL_OMAP2(3, nokia_n810);
- DEBUG_LL_OMAP2(3, nokia_n810_wimax);
-
- /* omap3 based boards using UART1 */
- DEBUG_LL_OMAP2(1, omap3evm);
- DEBUG_LL_OMAP3(1, omap_3430sdp);
- DEBUG_LL_OMAP3(1, omap_3630sdp);
- DEBUG_LL_OMAP3(1, omap3530_lv_som);
- DEBUG_LL_OMAP3(1, omap3_torpedo);
-
- /* omap3 based boards using UART3 */
- DEBUG_LL_OMAP3(3, cm_t35);
- DEBUG_LL_OMAP3(3, cm_t3517);
- DEBUG_LL_OMAP3(3, cm_t3730);
- DEBUG_LL_OMAP3(3, craneboard);
- DEBUG_LL_OMAP3(3, devkit8000);
- DEBUG_LL_OMAP3(3, igep0020);
- DEBUG_LL_OMAP3(3, igep0030);
- DEBUG_LL_OMAP3(3, nokia_rm680);
- DEBUG_LL_OMAP3(3, nokia_rm696);
- DEBUG_LL_OMAP3(3, nokia_rx51);
- DEBUG_LL_OMAP3(3, omap3517evm);
- DEBUG_LL_OMAP3(3, omap3_beagle);
- DEBUG_LL_OMAP3(3, omap3_pandora);
- DEBUG_LL_OMAP3(3, omap_ldp);
- DEBUG_LL_OMAP3(3, overo);
- DEBUG_LL_OMAP3(3, touchbook);
-
- /* omap4 based boards using UART3 */
- DEBUG_LL_OMAP4(3, omap_4430sdp);
- DEBUG_LL_OMAP4(3, omap4_panda);
-
- /* omap5 based boards using UART3 */
- DEBUG_LL_OMAP5(3, omap5_sevm);
-
- /* zoom2/3 external uart */
- DEBUG_LL_ZOOM(omap_zoom2);
- DEBUG_LL_ZOOM(omap_zoom3);
-
- /* TI8168 base boards using UART3 */
- DEBUG_LL_TI81XX(3, ti8168evm);
-
- /* TI8148 base boards using UART1 */
- DEBUG_LL_TI81XX(1, ti8148evm);
-
- /* AM33XX base boards using UART1 */
- DEBUG_LL_AM33XX(1, am335xevm);
- } while (0);
-}
-
-/*
- * nothing to do
- */
-#define arch_decomp_wdog()