as the name is very long, return ps1 to the next line Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagn...@jcrosoft.com> --- arch/arm/boards/raspberry-pi/env/init/ps1 | 7 +++ arch/arm/boards/raspberry-pi/rpi.c | 83 ++++++++++++++++++++++++++++++- arch/arm/mach-bcm2835/include/mach/mbox.h | 34 +++++++++++++ 3 files changed, 123 insertions(+), 1 deletion(-) create mode 100644 arch/arm/boards/raspberry-pi/env/init/ps1
diff --git a/arch/arm/boards/raspberry-pi/env/init/ps1 b/arch/arm/boards/raspberry-pi/env/init/ps1 new file mode 100644 index 0000000..f894846 --- /dev/null +++ b/arch/arm/boards/raspberry-pi/env/init/ps1 @@ -0,0 +1,7 @@ +#!/bin/sh + +if [ ${global.allow_color} = "true" ]; then + export PS1="\e[1;32mbarebox@\e[1;36m\h:\w\e[0m\n# " +else + export PS1="barebox@\h:\w\n# " +fi diff --git a/arch/arm/boards/raspberry-pi/rpi.c b/arch/arm/boards/raspberry-pi/rpi.c index 03a16d7..ae1e92a 100644 --- a/arch/arm/boards/raspberry-pi/rpi.c +++ b/arch/arm/boards/raspberry-pi/rpi.c @@ -20,6 +20,7 @@ #include <linux/clk.h> #include <linux/clkdev.h> #include <envfs.h> +#include <malloc.h> #include <asm/armlinux.h> #include <generated/mach-types.h> @@ -38,6 +39,12 @@ struct msg_get_clock_rate { u32 end_tag; }; +struct msg_get_board_rev { + struct bcm2835_mbox_hdr hdr; + struct bcm2835_mbox_tag_get_board_rev get_board_rev; + u32 end_tag; +}; + static int rpi_get_arm_mem(u32 *size) { BCM2835_MBOX_STACK_ALIGN(struct msg_get_arm_mem, msg); @@ -79,6 +86,80 @@ static int rpi_register_clkdev(u32 clock_id, const char *name) return 0; } + +#define RPI_MODEL(_id, _name, _init) \ + [_id] = { \ + .name = _name,\ + .init = _init,\ + } +/* See comments in mbox.h for data source */ +static const struct { + const char *name; + bool has_onboard_eth; + void (*init)(void); +} models[] = { + RPI_MODEL(0, "Unknown model", NULL), + RPI_MODEL(BCM2835_BOARD_REV_B_I2C0_2, "Model B (no P5)", NULL), + RPI_MODEL(BCM2835_BOARD_REV_B_I2C0_3, "Model B (no P5)", NULL), + RPI_MODEL(BCM2835_BOARD_REV_B_I2C1_4, "Model B", NULL), + RPI_MODEL(BCM2835_BOARD_REV_B_I2C1_5, "Model B", NULL), + RPI_MODEL(BCM2835_BOARD_REV_B_I2C1_6, "Model B", NULL), + RPI_MODEL(BCM2835_BOARD_REV_A_7, "Model A", NULL), + RPI_MODEL(BCM2835_BOARD_REV_A_8, "Model A", NULL), + RPI_MODEL(BCM2835_BOARD_REV_A_9, "Model A", NULL), + RPI_MODEL(BCM2835_BOARD_REV_B_REV2_d, "Model B rev2", NULL), + RPI_MODEL(BCM2835_BOARD_REV_B_REV2_e, "Model B rev2", NULL), + RPI_MODEL(BCM2835_BOARD_REV_B_REV2_f, "Model B rev2", NULL), + RPI_MODEL(BCM2835_BOARD_REV_B_PLUS, "Model B+", NULL), + RPI_MODEL(BCM2835_BOARD_REV_CM, "Compute Module", NULL), + RPI_MODEL(BCM2835_BOARD_REV_A_PLUS, "Model A+", NULL), +}; + +static int rpi_board_rev = 0; + +static void rpi_get_board_rev(void) +{ + int ret; + char *name; + + BCM2835_MBOX_STACK_ALIGN(struct msg_get_board_rev, msg); + BCM2835_MBOX_INIT_HDR(msg); + BCM2835_MBOX_INIT_TAG(&msg->get_board_rev, GET_BOARD_REV); + + ret = bcm2835_mbox_call_prop(BCM2835_MBOX_PROP_CHAN, &msg->hdr); + if (ret) { + printf("bcm2835: Could not query board revision\n"); + /* Ignore error; not critical */ + return; + } + + rpi_board_rev = msg->get_board_rev.body.resp.rev; + if (rpi_board_rev >= ARRAY_SIZE(models)) { + printf("RPI: Board rev %u outside known range\n", + rpi_board_rev); + goto unknown_rev; + } + + if (!models[rpi_board_rev].name) { + printf("RPI: Board rev %u unknown\n", rpi_board_rev); + goto unknown_rev; + } + + if (!rpi_board_rev) + goto unknown_rev; + + name = asprintf("RaspberryPi %s (BCM2835/ARM1176JZF-S)", + models[rpi_board_rev].name); + barebox_set_model(name); + free(name); + + return; + +unknown_rev: + rpi_board_rev = 0; + barebox_set_model("RaspberryPi (BCM2835/ARM1176JZF-S)"); +} + static int rpi_mem_init(void) { u32 size = 0; @@ -96,7 +177,7 @@ mem_initcall(rpi_mem_init); static int rpi_console_init(void) { - barebox_set_model("RaspberryPi (BCM2835/ARM1176JZF-S)"); + rpi_get_board_rev(); barebox_set_hostname("rpi"); bcm2835_register_uart(); diff --git a/arch/arm/mach-bcm2835/include/mach/mbox.h b/arch/arm/mach-bcm2835/include/mach/mbox.h index fb8a9bf..e5f6bfa 100644 --- a/arch/arm/mach-bcm2835/include/mach/mbox.h +++ b/arch/arm/mach-bcm2835/include/mach/mbox.h @@ -124,6 +124,40 @@ struct bcm2835_mbox_tag_hdr { * }; */ +#define BCM2835_MBOX_TAG_GET_BOARD_REV 0x00010002 + +/* + * 0x2..0xf from: + * http://raspberryalphaomega.org.uk/2013/02/06/automatic-raspberry-pi-board-revision-detection-model-a-b1-and-b2/ + * http://www.raspberrypi.org/forums/viewtopic.php?f=63&t=32733 + * 0x10, 0x11 from swarren's testing + */ +#define BCM2835_BOARD_REV_B_I2C0_2 0x2 +#define BCM2835_BOARD_REV_B_I2C0_3 0x3 +#define BCM2835_BOARD_REV_B_I2C1_4 0x4 +#define BCM2835_BOARD_REV_B_I2C1_5 0x5 +#define BCM2835_BOARD_REV_B_I2C1_6 0x6 +#define BCM2835_BOARD_REV_A_7 0x7 +#define BCM2835_BOARD_REV_A_8 0x8 +#define BCM2835_BOARD_REV_A_9 0x9 +#define BCM2835_BOARD_REV_B_REV2_d 0xd +#define BCM2835_BOARD_REV_B_REV2_e 0xe +#define BCM2835_BOARD_REV_B_REV2_f 0xf +#define BCM2835_BOARD_REV_B_PLUS 0x10 +#define BCM2835_BOARD_REV_CM 0x11 +#define BCM2835_BOARD_REV_A_PLUS 0x12 + +struct bcm2835_mbox_tag_get_board_rev { + struct bcm2835_mbox_tag_hdr tag_hdr; + union { + struct { + } req; + struct { + u32 rev; + } resp; + } body; +}; + #define BCM2835_MBOX_TAG_GET_ARM_MEMORY 0x00010005 struct bcm2835_mbox_tag_get_arm_mem { -- 2.1.3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox