/*
- * (C) Copyright 2012-2013 Stephen Warren
+ * (C) Copyright 2012-2013,2015 Stephen Warren
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * 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.
+ * SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <config.h>
#include <dm.h>
#include <fdt_support.h>
+#include <fdt_simplefb.h>
#include <lcd.h>
+#include <memalign.h>
#include <mmc.h>
#include <asm/gpio.h>
#include <asm/arch/mbox.h>
#include <asm/arch/sdhci.h>
#include <asm/global_data.h>
+#include <dm/platform_data/serial_pl01x.h>
DECLARE_GLOBAL_DATA_PTR;
.platdata = &gpio_platdata,
};
+static const struct pl01x_serial_platdata serial_platdata = {
+#ifdef CONFIG_BCM2836
+ .base = 0x3f201000,
+#else
+ .base = 0x20201000,
+#endif
+ .type = TYPE_PL011,
+ .clock = 3000000,
+};
+
+U_BOOT_DEVICE(bcm2835_serials) = {
+ .name = "serial_pl01x",
+ .platdata = &serial_platdata,
+};
+
struct msg_get_arm_mem {
struct bcm2835_mbox_hdr hdr;
struct bcm2835_mbox_tag_get_arm_mem get_arm_mem;
static const struct {
const char *name;
const char *fdtfile;
+ bool has_onboard_eth;
} models[] = {
+ [0] = {
+ "Unknown model",
+#ifdef CONFIG_BCM2836
+ "bcm2836-rpi-other.dtb",
+#else
+ "bcm2835-rpi-other.dtb",
+#endif
+ false,
+ },
+#ifdef CONFIG_BCM2836
+ [BCM2836_BOARD_REV_2_B] = {
+ "2 Model B",
+ "bcm2836-rpi-2-b.dtb",
+ true,
+ },
+#else
[BCM2835_BOARD_REV_B_I2C0_2] = {
"Model B (no P5)",
"bcm2835-rpi-b-i2c0.dtb",
+ true,
},
[BCM2835_BOARD_REV_B_I2C0_3] = {
"Model B (no P5)",
"bcm2835-rpi-b-i2c0.dtb",
+ true,
},
[BCM2835_BOARD_REV_B_I2C1_4] = {
"Model B",
"bcm2835-rpi-b.dtb",
+ true,
},
[BCM2835_BOARD_REV_B_I2C1_5] = {
"Model B",
"bcm2835-rpi-b.dtb",
+ true,
},
[BCM2835_BOARD_REV_B_I2C1_6] = {
"Model B",
"bcm2835-rpi-b.dtb",
+ true,
},
[BCM2835_BOARD_REV_A_7] = {
"Model A",
"bcm2835-rpi-a.dtb",
+ false,
},
[BCM2835_BOARD_REV_A_8] = {
"Model A",
"bcm2835-rpi-a.dtb",
+ false,
},
[BCM2835_BOARD_REV_A_9] = {
"Model A",
"bcm2835-rpi-a.dtb",
+ false,
},
[BCM2835_BOARD_REV_B_REV2_d] = {
"Model B rev2",
"bcm2835-rpi-b-rev2.dtb",
+ true,
},
[BCM2835_BOARD_REV_B_REV2_e] = {
"Model B rev2",
"bcm2835-rpi-b-rev2.dtb",
+ true,
},
[BCM2835_BOARD_REV_B_REV2_f] = {
"Model B rev2",
"bcm2835-rpi-b-rev2.dtb",
+ true,
},
[BCM2835_BOARD_REV_B_PLUS] = {
"Model B+",
"bcm2835-rpi-b-plus.dtb",
+ true,
},
[BCM2835_BOARD_REV_CM] = {
"Compute Module",
"bcm2835-rpi-cm.dtb",
+ false,
+ },
+ [BCM2835_BOARD_REV_A_PLUS] = {
+ "Model A+",
+ "bcm2835-rpi-a-plus.dtb",
+ false,
+ },
+ [BCM2835_BOARD_REV_B_PLUS_13] = {
+ "Model B+",
+ "bcm2835-rpi-b-plus.dtb",
+ true,
+ },
+ [BCM2835_BOARD_REV_CM_14] = {
+ "Compute Module",
+ "bcm2835-rpi-cm.dtb",
+ false,
},
+ [BCM2835_BOARD_REV_A_PLUS_15] = {
+ "Model A+",
+ "bcm2835-rpi-a-plus.dtb",
+ false,
+ },
+#endif
};
u32 rpi_board_rev = 0;
int dram_init(void)
{
- ALLOC_ALIGN_BUFFER(struct msg_get_arm_mem, msg, 1, 16);
+ ALLOC_CACHE_ALIGN_BUFFER(struct msg_get_arm_mem, msg, 1);
int ret;
BCM2835_MBOX_INIT_HDR(msg);
return;
fdtfile = models[rpi_board_rev].fdtfile;
- if (!fdtfile)
- fdtfile = "bcm2835-rpi-other.dtb";
-
setenv("fdtfile", fdtfile);
}
static void set_usbethaddr(void)
{
- ALLOC_ALIGN_BUFFER(struct msg_get_mac_address, msg, 1, 16);
+ ALLOC_CACHE_ALIGN_BUFFER(struct msg_get_mac_address, msg, 1);
int ret;
+ if (!models[rpi_board_rev].has_onboard_eth)
+ return;
+
if (getenv("usbethaddr"))
return;
static int power_on_module(u32 module)
{
- ALLOC_ALIGN_BUFFER(struct msg_set_power_state, msg_pwr, 1, 16);
+ ALLOC_CACHE_ALIGN_BUFFER(struct msg_set_power_state, msg_pwr, 1);
int ret;
BCM2835_MBOX_INIT_HDR(msg_pwr);
static void get_board_rev(void)
{
- ALLOC_ALIGN_BUFFER(struct msg_get_board_rev, msg, 1, 16);
+ ALLOC_CACHE_ALIGN_BUFFER(struct msg_get_board_rev, msg, 1);
int ret;
const char *name;
return;
}
+ /*
+ * For details of old-vs-new scheme, see:
+ * https://github.com/pimoroni/RPi.version/blob/master/RPi/version.py
+ * http://www.raspberrypi.org/forums/viewtopic.php?f=63&t=99293&p=690282
+ * (a few posts down)
+ *
+ * For the RPi 1, bit 24 is the "warranty bit", so we mask off just the
+ * lower byte to use as the board rev:
+ * http://www.raspberrypi.org/forums/viewtopic.php?f=63&t=98367&start=250
+ * http://www.raspberrypi.org/forums/viewtopic.php?f=31&t=20594
+ */
rpi_board_rev = msg->get_board_rev.body.resp.rev;
- if (rpi_board_rev >= ARRAY_SIZE(models))
+ if (rpi_board_rev & 0x800000)
+ rpi_board_rev = (rpi_board_rev >> 4) & 0xff;
+ else
+ rpi_board_rev &= 0xff;
+ if (rpi_board_rev >= ARRAY_SIZE(models)) {
+ printf("RPI: Board rev %u outside known range\n",
+ rpi_board_rev);
rpi_board_rev = 0;
+ }
+ if (!models[rpi_board_rev].name) {
+ printf("RPI: Board rev %u unknown\n", rpi_board_rev);
+ rpi_board_rev = 0;
+ }
name = models[rpi_board_rev].name;
- if (!name)
- name = "Unknown model";
- printf("RPI model: %s\n", name);
+ printf("RPI %s\n", name);
}
int board_init(void)
int board_mmc_init(bd_t *bis)
{
- ALLOC_ALIGN_BUFFER(struct msg_get_clock_rate, msg_clk, 1, 16);
+ ALLOC_CACHE_ALIGN_BUFFER(struct msg_get_clock_rate, msg_clk, 1);
int ret;
power_on_module(BCM2835_MBOX_POWER_DEVID_SDHCI);