diff options
Diffstat (limited to 'recipes/linux/linux-2.6.36/ts72xx/0012-ts72xx_sbcinfo.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.36/ts72xx/0012-ts72xx_sbcinfo.patch | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.36/ts72xx/0012-ts72xx_sbcinfo.patch b/recipes/linux/linux-2.6.36/ts72xx/0012-ts72xx_sbcinfo.patch new file mode 100644 index 0000000000..f744a66bd1 --- /dev/null +++ b/recipes/linux/linux-2.6.36/ts72xx/0012-ts72xx_sbcinfo.patch @@ -0,0 +1,267 @@ +From c4f068cc743be6e79c333a0de38e1cef91e05786 Mon Sep 17 00:00:00 2001 +From: Matthieu Crapet <mcrapet@gmail.com> +Date: Sat, 19 Jun 2010 15:08:58 +0200 +Subject: [PATCH 12/24] ts72xx_sbcinfo +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: Petr Štetiar <ynezz@true.cz> +--- + arch/arm/mach-ep93xx/Kconfig | 7 + + arch/arm/mach-ep93xx/Makefile | 1 + + arch/arm/mach-ep93xx/ts72xx.c | 5 + + arch/arm/mach-ep93xx/ts72xx_sbcinfo.c | 198 +++++++++++++++++++++++++++++++++ + 4 files changed, 211 insertions(+), 0 deletions(-) + create mode 100644 arch/arm/mach-ep93xx/ts72xx_sbcinfo.c + +diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig +index bd463a0..2bfb01e 100644 +--- a/arch/arm/mach-ep93xx/Kconfig ++++ b/arch/arm/mach-ep93xx/Kconfig +@@ -212,6 +212,13 @@ config MACH_TS72XX_FORCE_MACHINEID + Say 'Y' here to force Machine ID to 0x2A1 (MACH_TYPE_TS72XX legacy value) + In early days Technologic Systems fixed the 0x163 value in redboot. + ++config MACH_TS72XX_SBCINFO ++ tristate "Add procfs /proc/driver/sbcinfo" ++ depends on MACH_TS72XX ++ help ++ Say 'Y' to add a procfs entry containing some information ++ related to Technologic Systems TS-72xx SBC. ++ + endmenu + + endif +diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile +index ea652c2..c38d1e2 100644 +--- a/arch/arm/mach-ep93xx/Makefile ++++ b/arch/arm/mach-ep93xx/Makefile +@@ -13,3 +13,4 @@ obj-$(CONFIG_MACH_MICRO9) += micro9.o + obj-$(CONFIG_MACH_SIM_ONE) += simone.o + obj-$(CONFIG_MACH_SNAPPER_CL15) += snappercl15.o + obj-$(CONFIG_MACH_TS72XX) += ts72xx.o ++obj-$(CONFIG_MACH_TS72XX_SBCINFO) += ts72xx_sbcinfo.o +diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c +index e8a2489..9b707a5 100644 +--- a/arch/arm/mach-ep93xx/ts72xx.c ++++ b/arch/arm/mach-ep93xx/ts72xx.c +@@ -39,6 +39,11 @@ static struct map_desc ts72xx_io_desc[] __initdata = { + .length = TS72XX_MODEL_SIZE, + .type = MT_DEVICE, + }, { ++ .virtual = TS72XX_PLD_VERSION_VIRT_BASE, ++ .pfn = __phys_to_pfn(TS72XX_PLD_VERSION_PHYS_BASE), ++ .length = TS72XX_PLD_VERSION_SIZE, ++ .type = MT_DEVICE, ++ }, { + .virtual = TS72XX_OPTIONS_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_OPTIONS_PHYS_BASE), + .length = TS72XX_OPTIONS_SIZE, +diff --git a/arch/arm/mach-ep93xx/ts72xx_sbcinfo.c b/arch/arm/mach-ep93xx/ts72xx_sbcinfo.c +new file mode 100644 +index 0000000..cbb485f +--- /dev/null ++++ b/arch/arm/mach-ep93xx/ts72xx_sbcinfo.c +@@ -0,0 +1,198 @@ ++/* ++ * Technologic Systems TS-72XX sbc /proc/driver/sbcinfo entry. ++ * ++ * Original idea by Liberty Young (Technologic Systems). ++ * ++ * (c) Copyright 2008 Matthieu Crapet <mcrapet@gmail.com> ++ * ++ * 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/module.h> ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/io.h> ++#include <linux/proc_fs.h> ++#include <mach/hardware.h> ++#include <mach/ts72xx.h> ++ ++struct infos { ++ const char *cpu_rev; ++ int model, pld, wdt; ++ int option_ad; ++ int option_rs485; ++ unsigned char jumpers[6]; // 0=off,1=on,2=error ++ ++ /* Power management : TS-7260 only */ ++ int pm; ++}; ++ ++static const char *revisions[] = { "A", "B", "C", "D0", "D1", "E0", "E1", "E2", "??" }; ++ ++ ++static void get_sbcinfo(struct infos *data) ++{ ++ void __iomem *p; ++ short rev; ++ ++ /* CPU revision */ ++ rev = __raw_readl(EP93XX_SYSCON_CHIPID) >> 28; ++ if (rev > ARRAY_SIZE(revisions)) ++ rev = ARRAY_SIZE(revisions) - 1; ++ data->cpu_rev = revisions[rev]; ++ ++ /* Board model */ ++ if (board_is_ts7200()) ++ data->model = 7200; ++ else if (board_is_ts7250()) ++ data->model = 7250; ++ else if (board_is_ts7260()) ++ data->model = 7260; ++ else if (board_is_ts7400()) ++ data->model = 7400; ++ else ++ data->model = 0; ++ ++ data->pld = get_ts72xx_pld_version(); ++ ++ /* A/D converter (8 x 12-bit channels) */ ++ if (data->model == 7200 || data->model == 7250) { ++ data->option_ad = is_max197_installed(); ++ } else { ++ data->option_ad = 0; ++ } ++ ++ /* COM2 RS-485 */ ++ if (is_rs485_installed()) { ++ data->option_rs485 = 1; ++ } else { ++ data->option_rs485 = 0; ++ } ++ ++ /* jumpers */ ++ p = ioremap(TS72XX_JUMPERS_MAX197_PHYS_BASE, SZ_4K - 1); ++ if (p) { ++ unsigned char c = __raw_readb(p); ++ ++ data->jumpers[0] = 2; // JP1 (bootstrap) ++ data->jumpers[1] = !!(c & 0x01); // JP2 (enable serial console) ++ data->jumpers[2] = !!(c & 0x02); // JP3 (flash write enable) ++ data->jumpers[3] = !(c & 0x08); // JP4 (console on COM2) ++ data->jumpers[4] = !(c & 0x10); // JP5 (test) ++ data->jumpers[5] = !!(is_jp6_set()); // JP6 (user jumper) ++ ++ iounmap(p); ++ } else { ++ data->jumpers[0] = data->jumpers[1] = data->jumpers[2] = 2; ++ data->jumpers[3] = data->jumpers[4] = data->jumpers[5] = 2; ++ } ++ ++ /* cpld watchdog */ ++ p = ioremap(TS72XX_WDT_CONTROL_PHYS_BASE, SZ_4K - 1); ++ if (p) { ++ data->wdt = __raw_readb(p) & 0x7; ++ iounmap(p); ++ } else { ++ data->wdt = 8; ++ } ++ ++ /* power management */ ++ data->pm = -1; ++ if (data->model == 7260) { ++ p = ioremap(TS7260_POWER_MANAGEMENT_PHYS_BASE, SZ_4K - 1); ++ if (p) { ++ data->pm = __raw_readb(p); ++ iounmap(p); ++ } ++ } ++} ++ ++static char *get_pm_string(int reg, char *buffer, size_t size) ++{ ++ static const char *pm_state = "rs232=%d usb=%d lcd=%d pc104=%d ttl=%d"; ++ ++ if (reg < 0) { ++ strncpy(buffer, "n/a", size); ++ } else { ++ /* 1 means on/enabled */ ++ snprintf(buffer, size, pm_state, ++ reg & TS7260_PM_RS232_LEVEL_CONVERTER, ++ !!(reg & TS7260_PM_USB), ++ !!(reg & TS7260_PM_LCD), ++ !(reg & TS7260_PM_PC104_CLOCK), ++ !!(reg & TS7260_PM_TTL_UART_ENABLE)); ++ } ++ return buffer; ++} ++ ++static int ts72xx_sbcinfo_read_proc(char *buffer, char **start, off_t offset, ++ int count, int *eof, void *data) ++{ ++ int len, size = count; ++ char *p = buffer; ++ char temp[64]; ++ struct infos nfo; ++ ++ static const char jpc[3] = { 'n', 'y', '?' }; ++ static const char *wdt[9] = { "disabled", "250ms", "500ms", "1s", "reserved", "2s", "4s", "8s", "n/a" }; ++ ++ get_sbcinfo(&nfo); ++ len = scnprintf(p, size, ++ "Model : TS-%d (CPU rev %s) (PLD rev %c)\n" ++ "Option max197 A/D : %s\n" ++ "Option RS-485 : %s\n" ++ "Jumpers : JP2=%c JP3=%c JP4=%c JP5=%c JP6=%c\n" ++ "CPLD Watchdog : %s\n" ++ "Power management : %s\n", ++ nfo.model, nfo.cpu_rev, nfo.pld + 0x40, ++ (nfo.option_ad ? "yes" : "no"), ++ (nfo.option_rs485 ? "yes" : "no"), ++ jpc[nfo.jumpers[1]], jpc[nfo.jumpers[2]], jpc[nfo.jumpers[3]], jpc[nfo.jumpers[4]], ++ jpc[nfo.jumpers[5]], wdt[nfo.wdt], ++ get_pm_string(nfo.pm, &temp[0], sizeof(temp))); ++ ++ if (len <= offset + count) ++ *eof = 1; ++ ++ *start = buffer + offset; ++ len -= offset; ++ ++ if (len > count) ++ len = count; ++ if (len < 0) ++ len = 0; ++ ++ return len; ++} ++ ++static int __init ts72xx_sbcinfo_init(void) ++{ ++ struct proc_dir_entry *entry; ++ int ret = 0; ++ ++ entry = create_proc_read_entry("driver/sbcinfo", 0, ++ NULL, ts72xx_sbcinfo_read_proc, NULL); ++ ++ if (!entry) { ++ printk(KERN_ERR "sbcinfo: can't create /proc/driver/sbcinfo\n"); ++ ret = -ENOMEM; ++ } ++ ++ return ret; ++} ++ ++static void __exit ts72xx_sbcinfo_exit(void) ++{ ++ remove_proc_entry("driver/sbcinfo", NULL); ++} ++ ++module_init(ts72xx_sbcinfo_init); ++module_exit(ts72xx_sbcinfo_exit); ++ ++MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>"); ++MODULE_DESCRIPTION("Show information of Technologic Systems TS-72XX sbc"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION("1.04"); +-- +1.7.0.4 + |