From 6339f6695f84e48b42021c6df91d81b17308fe92 Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Mon, 2 Nov 2009 11:48:29 +0100 Subject: msm: make debugging UART (for DEBUG_LL) configurable Provides options to select one of the three "lowspeed" UARTs on MSM7k SoCs for DEBUG_LL output from the zImage decompressor and kernel. Signed-off-by: Brian Swetland Signed-off-by: Pavel Machek Signed-off-by: Daniel Walker --- arch/arm/mach-msm/Kconfig | 24 ++++++++++++++++++++++++ arch/arm/mach-msm/include/mach/debug-macro.S | 24 +++++++++++++++++------- arch/arm/mach-msm/include/mach/msm_iomap.h | 12 ++++++++++++ arch/arm/mach-msm/include/mach/uncompress.h | 7 +++++++ arch/arm/mach-msm/io.c | 3 +++ 5 files changed, 63 insertions(+), 7 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig index d140abca690..35f2a90a2af 100644 --- a/arch/arm/mach-msm/Kconfig +++ b/arch/arm/mach-msm/Kconfig @@ -3,6 +3,30 @@ if ARCH_MSM comment "MSM Board Type" depends on ARCH_MSM +config MSM_DEBUG_UART + int + default 1 if MSM_DEBUG_UART1 + default 2 if MSM_DEBUG_UART2 + default 3 if MSM_DEBUG_UART3 + +choice + prompt "Debug UART" + + default MSM_DEBUG_UART_NONE + + config MSM_DEBUG_UART_NONE + bool "None" + + config MSM_DEBUG_UART1 + bool "UART1" + + config MSM_DEBUG_UART2 + bool "UART2" + + config MSM_DEBUG_UART3 + bool "UART3" +endchoice + config MACH_HALIBUT depends on ARCH_MSM default y diff --git a/arch/arm/mach-msm/include/mach/debug-macro.S b/arch/arm/mach-msm/include/mach/debug-macro.S index 1db3c97dbc4..d48747ebcd3 100644 --- a/arch/arm/mach-msm/include/mach/debug-macro.S +++ b/arch/arm/mach-msm/include/mach/debug-macro.S @@ -14,15 +14,18 @@ * */ + + #include #include +#ifdef CONFIG_MSM_DEBUG_UART .macro addruart,rx @ see if the MMU is enabled and select appropriate base address mrc p15, 0, \rx, c1, c0 tst \rx, #1 - ldreq \rx, =MSM_UART1_PHYS - movne \rx, #0 + ldreq \rx, =MSM_DEBUG_UART_PHYS + ldrne \rx, =MSM_DEBUG_UART_BASE .endm .macro senduart,rd,rx @@ -32,13 +35,20 @@ .macro waituart,rd,rx @ wait for TX_READY - teq \rx, #0 - bne 2f -1: ldr \rd, [\rx, #0x08] +1001: ldr \rd, [\rx, #0x08] tst \rd, #0x04 - beq 1b -2: + beq 1001b + .endm +#else + .macro addruart,rx + .endm + + .macro senduart,rd,rx + .endm + + .macro waituart,rd,rx .endm +#endif .macro busyuart,rd,rx .endm diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h index 2f7b4c8620d..9dae1a98c77 100644 --- a/arch/arm/mach-msm/include/mach/msm_iomap.h +++ b/arch/arm/mach-msm/include/mach/msm_iomap.h @@ -84,6 +84,18 @@ #define MSM_UART3_PHYS 0xA9C00000 #define MSM_UART3_SIZE SZ_4K +#ifdef CONFIG_MSM_DEBUG_UART +#define MSM_DEBUG_UART_BASE 0xE1000000 +#if CONFIG_MSM_DEBUG_UART == 1 +#define MSM_DEBUG_UART_PHYS MSM_UART1_PHYS +#elif CONFIG_MSM_DEBUG_UART == 2 +#define MSM_DEBUG_UART_PHYS MSM_UART2_PHYS +#elif CONFIG_MSM_DEBUG_UART == 3 +#define MSM_DEBUG_UART_PHYS MSM_UART3_PHYS +#endif +#define MSM_DEBUG_UART_SIZE SZ_4K +#endif + #define MSM_SDC1_PHYS 0xA0400000 #define MSM_SDC1_SIZE SZ_4K diff --git a/arch/arm/mach-msm/include/mach/uncompress.h b/arch/arm/mach-msm/include/mach/uncompress.h index 026e8955ace..d94292c29d8 100644 --- a/arch/arm/mach-msm/include/mach/uncompress.h +++ b/arch/arm/mach-msm/include/mach/uncompress.h @@ -16,9 +16,16 @@ #ifndef __ASM_ARCH_MSM_UNCOMPRESS_H #include "hardware.h" +#include "linux/io.h" +#include "mach/msm_iomap.h" static void putc(int c) { +#if defined(MSM_DEBUG_UART_PHYS) + unsigned base = MSM_DEBUG_UART_PHYS; + while (!(readl(base + 0x08) & 0x04)) ; + writel(c, base + 0x0c); +#endif } static inline void flush(void) diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c index 6e7692ff6f2..1c5e7dac086 100644 --- a/arch/arm/mach-msm/io.c +++ b/arch/arm/mach-msm/io.c @@ -42,6 +42,9 @@ static struct map_desc msm_io_desc[] __initdata = { MSM_DEVICE(GPIO1), MSM_DEVICE(GPIO2), MSM_DEVICE(CLK_CTL), +#ifdef CONFIG_MSM_DEBUG_UART + MSM_DEVICE(DEBUG_UART), +#endif { .virtual = (unsigned long) MSM_SHARED_RAM_BASE, .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS), -- cgit v1.2.3 From 348ee123a15ec064c0c4c98ecb5fbf4737153887 Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Wed, 18 Nov 2009 19:18:24 +0100 Subject: msm: add minimal board file for HTC Dream device This is just enough to get the device booting and serial console working. Sufficient for debugging further MSM7k/Dream Support. This will support HTC Dream / T-Mobile G1 / Android ADP1 (which are all the same hardware, known as "trout" to the ARM machine database). Signed-off-by: Brian Swetland Reviewed-by: GeunSik Lim Signed-off-by: Pavel Machek Signed-off-by: Daniel Walker --- arch/arm/mach-msm/Kconfig | 6 +++ arch/arm/mach-msm/Makefile | 1 + arch/arm/mach-msm/board-dream.c | 82 +++++++++++++++++++++++++++++++++++++++++ arch/arm/mach-msm/board-dream.h | 5 +++ 4 files changed, 94 insertions(+) create mode 100644 arch/arm/mach-msm/board-dream.c create mode 100644 arch/arm/mach-msm/board-dream.h (limited to 'arch/arm') diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig index 35f2a90a2af..f780086befd 100644 --- a/arch/arm/mach-msm/Kconfig +++ b/arch/arm/mach-msm/Kconfig @@ -34,4 +34,10 @@ config MACH_HALIBUT help Support for the Qualcomm SURF7201A eval board. +config MACH_TROUT + default y + bool "HTC Dream (aka trout)" + help + Support for the HTC Dream, T-Mobile G1, Android ADP1 devices. + endif diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile index 1aa47001aa3..91e6f5c95dc 100644 --- a/arch/arm/mach-msm/Makefile +++ b/arch/arm/mach-msm/Makefile @@ -6,3 +6,4 @@ obj-y += clock.o clock-7x01a.o obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o +obj-$(CONFIG_MACH_TROUT) += board-dream.o diff --git a/arch/arm/mach-msm/board-dream.c b/arch/arm/mach-msm/board-dream.c new file mode 100644 index 00000000000..931a7964946 --- /dev/null +++ b/arch/arm/mach-msm/board-dream.c @@ -0,0 +1,82 @@ +/* linux/arch/arm/mach-msm/board-dream.c + * + * Copyright (C) 2009 Google, Inc. + * Author: Brian Swetland + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + * + */ + +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +#include "devices.h" +#include "board-dream.h" + +static struct platform_device *devices[] __initdata = { + &msm_device_uart3, + &msm_device_smd, + &msm_device_nand, + &msm_device_hsusb, + &msm_device_i2c, +}; + +extern struct sys_timer msm_timer; + +static void __init trout_init_irq(void) +{ + msm_init_irq(); +} + +static void __init trout_init(void) +{ + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +static struct map_desc trout_io_desc[] __initdata = { + { + .virtual = TROUT_CPLD_BASE, + .pfn = __phys_to_pfn(TROUT_CPLD_START), + .length = TROUT_CPLD_SIZE, + .type = MT_DEVICE_NONSHARED + } +}; + +static void __init trout_map_io(void) +{ + msm_map_common_io(); + iotable_init(trout_io_desc, ARRAY_SIZE(trout_io_desc)); + +#ifdef CONFIG_MSM_DEBUG_UART3 + /* route UART3 to the "H2W" extended usb connector */ + writeb(0x80, TROUT_CPLD_BASE + 0x00); +#endif + + msm_clock_init(); +} + +MACHINE_START(TROUT, "HTC Dream") + .phys_io = MSM_DEBUG_UART_PHYS, + .io_pg_offst = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc, + .boot_params = 0x10000100, + .map_io = trout_map_io, + .init_irq = trout_init_irq, + .init_machine = trout_init, + .timer = &msm_timer, +MACHINE_END diff --git a/arch/arm/mach-msm/board-dream.h b/arch/arm/mach-msm/board-dream.h new file mode 100644 index 00000000000..4f345a5a0a6 --- /dev/null +++ b/arch/arm/mach-msm/board-dream.h @@ -0,0 +1,5 @@ + +#define TROUT_CPLD_BASE 0xE8100000 +#define TROUT_CPLD_START 0x98000000 +#define TROUT_CPLD_SIZE SZ_4K + -- cgit v1.2.3 From 5c43d49aec499973b51e574af871c8918598c2db Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Mon, 2 Nov 2009 11:55:12 +0100 Subject: msm: Add memory map for HTC Dream Add memory map to HTC Dream, so that boot can proceed further. Signed-off-by: Pavel Machek Signed-off-by: Daniel Walker --- arch/arm/mach-msm/board-dream.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'arch/arm') diff --git a/arch/arm/mach-msm/board-dream.c b/arch/arm/mach-msm/board-dream.c index 931a7964946..21afa851316 100644 --- a/arch/arm/mach-msm/board-dream.c +++ b/arch/arm/mach-msm/board-dream.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include @@ -44,6 +45,15 @@ static void __init trout_init_irq(void) msm_init_irq(); } +static void __init trout_fixup(struct machine_desc *desc, struct tag *tags, + char **cmdline, struct meminfo *mi) +{ + mi->nr_banks = 1; + mi->bank[0].start = PHYS_OFFSET; + mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET); + mi->bank[0].size = (101*1024*1024); +} + static void __init trout_init(void) { platform_add_devices(devices, ARRAY_SIZE(devices)); @@ -75,6 +85,7 @@ MACHINE_START(TROUT, "HTC Dream") .phys_io = MSM_DEBUG_UART_PHYS, .io_pg_offst = ((MSM_DEBUG_UART_BASE) >> 18) & 0xfffc, .boot_params = 0x10000100, + .fixup = trout_fixup, .map_io = trout_map_io, .init_irq = trout_init_irq, .init_machine = trout_init, -- cgit v1.2.3 From 3989d17847071fa94c93299805a9cca27cf65d26 Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Tue, 8 Dec 2009 11:11:36 -0800 Subject: HTC Dream: mmc compilation fixes Add missing include for msm_sdcc compilation, and remove pwrsink support that is not mainline, yet. Signed-off-by: Pavel Machek [dwalker@codeaurora.org : fixed indent in mmc.h] Signed-off-by: Daniel Walker --- arch/arm/mach-msm/include/mach/mmc.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 arch/arm/mach-msm/include/mach/mmc.h (limited to 'arch/arm') diff --git a/arch/arm/mach-msm/include/mach/mmc.h b/arch/arm/mach-msm/include/mach/mmc.h new file mode 100644 index 00000000000..0ecf2542628 --- /dev/null +++ b/arch/arm/mach-msm/include/mach/mmc.h @@ -0,0 +1,26 @@ +/* + * arch/arm/include/asm/mach/mmc.h + */ +#ifndef ASMARM_MACH_MMC_H +#define ASMARM_MACH_MMC_H + +#include +#include +#include + +struct embedded_sdio_data { + struct sdio_cis cis; + struct sdio_cccr cccr; + struct sdio_embedded_func *funcs; + int num_funcs; +}; + +struct mmc_platform_data { + unsigned int ocr_mask; /* available voltages */ + u32 (*translate_vdd)(struct device *, unsigned int); + unsigned int (*status)(struct device *); + struct embedded_sdio_data *embedded_sdio; + int (*register_status_notify)(void (*callback)(int card_present, void *dev_id), void *dev_id); +}; + +#endif -- cgit v1.2.3