diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-tegra/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-tegra/board-info.c | 201 | ||||
-rw-r--r-- | arch/arm/mach-tegra/board-p1852.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-tegra/board.h | 1 |
4 files changed, 204 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 10aea1c8aa66..c54d056bb801 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -3,6 +3,7 @@ GCOV_PROFILE := y obj-y += ahb.o obj-y += apbio.o obj-y += common.o +obj-y += board-info.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += common-t2.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += common-t3.o obj-y += io.o diff --git a/arch/arm/mach-tegra/board-info.c b/arch/arm/mach-tegra/board-info.c new file mode 100644 index 000000000000..1bcd0d52bd24 --- /dev/null +++ b/arch/arm/mach-tegra/board-info.c @@ -0,0 +1,201 @@ +/* + * arch/arm/mach-tegra/board-info.c + * + * File to contain changes for sku id, serial id, chip id, etc. + * + * Copyright (c) 2010-2012, NVIDIA Corporation. + * + * 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. + * + * 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <linux/proc_fs.h> +#include <linux/seq_file.h> +#include "board.h" + +/* skuinfo is 18 character long xxx-xxxxx-xxxx-xxx + *so buffer size is set to 18+1 */ +#define SKUINFO_BUF_SIZE 19 +/* skuver is 2 character long XX so buffer size is set to 2+1 */ +#define SKUVER_BUF_SIZE 3 + +/* prodinfo is 18 character long xxx-xxxxx-xxxx-xxx + * so buffer size is set to 18+1 */ +#define PRODINFO_BUF_SIZE 19 +/* prodver is 2 character long XX so buffer size is set to 2+1 */ +#define PRODVER_BUF_SIZE 3 + +static unsigned int board_serial_low; +static unsigned int board_serial_high; +static char prodinfo_buffer[PRODINFO_BUF_SIZE]; +static char prodver_buffer[PRODVER_BUF_SIZE]; +static char skuinfo_buffer[SKUINFO_BUF_SIZE]; +static char skuver_buffer[SKUVER_BUF_SIZE]; + +static int __init sku_info_setup(char *line) +{ + memcpy(skuinfo_buffer, line, SKUINFO_BUF_SIZE); + return 1; +} + +__setup("nvsku=", sku_info_setup); + +static int __init sku_ver_setup(char *line) +{ + memcpy(skuver_buffer, line, SKUVER_BUF_SIZE); + return 1; +} + +__setup("SkuVer=", sku_ver_setup); + +static int __init prod_info_setup(char *line) +{ + memcpy(prodinfo_buffer, line, PRODINFO_BUF_SIZE); + return 1; +} + +__setup("ProdInfo=", prod_info_setup); + +static int __init prod_ver_setup(char *line) +{ + memcpy(prodver_buffer, line, PRODVER_BUF_SIZE); + return 1; +} + +__setup("ProdVer=", prod_ver_setup); + +static int read_skuinfo_proc_show(struct seq_file *m, void *v) +{ + seq_printf(m, "%s\n", skuinfo_buffer); + return 0; +} + +static int read_skuinfo_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, read_skuinfo_proc_show, NULL); +} + +static const struct file_operations read_skuinfo_proc_fops = { + .open = read_skuinfo_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int read_skuver_proc_show(struct seq_file *m, void *v) +{ + seq_printf(m, "%s\n", skuver_buffer); + return 0; +} + +static int read_skuver_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, read_skuver_proc_show, NULL); +} + +static const struct file_operations read_skuver_proc_fops = { + .open = read_skuver_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int read_serialinfo_proc_show(struct seq_file *m, void *v) +{ + seq_printf(m, "%013llu\n", + (((unsigned long long int)board_serial_high) << 32) | + board_serial_low); + return 0; +} + +static int read_serialinfo_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, read_serialinfo_proc_show, NULL); +} + +static const struct file_operations read_serialinfo_proc_fops = { + .open = read_serialinfo_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int read_prodinfo_proc_show(struct seq_file *m, void *v) +{ + seq_printf(m, "%s\n", prodinfo_buffer); + return 0; +} + +static int read_prodinfo_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, read_prodinfo_proc_show, NULL); +} + +static const struct file_operations read_prodinfo_proc_fops = { + .open = read_prodinfo_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int read_prodver_proc_show(struct seq_file *m, void *v) +{ + seq_printf(m, "%s\n", prodver_buffer); + return 0; +} + +static int read_prodver_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, read_prodver_proc_show, NULL); +} + +static const struct file_operations read_prodver_proc_fops = { + .open = read_prodver_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +int __init tegra_init_board_info(void) +{ + board_serial_low = system_serial_low; + board_serial_high = system_serial_high; + + if (!proc_create("board_serial", 0, NULL, &read_serialinfo_proc_fops)) { + printk(KERN_ERR "Can't create proc entry for board_serial!\n"); + return -1; + } + + if (!proc_create("skuinfo", 0, NULL, &read_skuinfo_proc_fops)) { + printk(KERN_ERR "Can't create proc entry for skuinfo!\n"); + return -1; + } + + if (!proc_create("skuver", 0, NULL, &read_skuver_proc_fops)) { + printk(KERN_ERR "Can't create proc entry for skuver!\n"); + return -1; + } + + if (!proc_create("prodinfo", 0, NULL, &read_prodinfo_proc_fops)) { + printk(KERN_ERR "Can't create proc entry for prodinfo!\n"); + return -1; + } + + if (!proc_create("prodver", 0, NULL, &read_prodver_proc_fops)) { + printk(KERN_ERR "Can't create proc entry for prodver!\n"); + return -1; + } + + return 0; +} diff --git a/arch/arm/mach-tegra/board-p1852.c b/arch/arm/mach-tegra/board-p1852.c index b53f9a7311f4..c9b48117b5db 100644 --- a/arch/arm/mach-tegra/board-p1852.c +++ b/arch/arm/mach-tegra/board-p1852.c @@ -418,6 +418,7 @@ static void p1852_nor_init(void) static void __init tegra_p1852_init(void) { + tegra_init_board_info(); tegra_clk_init_from_table(p1852_clk_init_table); p1852_pinmux_init(); p1852_i2c_init(); diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h index 7a4f418eabb8..e17ee87aec15 100644 --- a/arch/arm/mach-tegra/board.h +++ b/arch/arm/mach-tegra/board.h @@ -90,6 +90,7 @@ void __init tegra_ram_console_debug_reserve(unsigned long ram_console_size); void __init tegra_ram_console_debug_init(void); void __init tegra_release_bootloader_fb(void); void __init tegra_protected_aperture_init(unsigned long aperture); +int __init tegra_init_board_info(void); void tegra_move_framebuffer(unsigned long to, unsigned long from, unsigned long size); bool is_tegra_debug_uartport_hs(void); |