MIPS: add support for Broadcom MIPS BCM6348 SoC family

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Álvaro Fernández Rojas 2017-05-16 18:39:03 +02:00 committed by Daniel Schwierzeck
parent 5a0efcf78a
commit bf9012b808
6 changed files with 215 additions and 1 deletions

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@ -0,0 +1,127 @@
/*
* Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <dt-bindings/clock/bcm6348-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/reset/bcm6348-reset.h>
#include "skeleton.dtsi"
/ {
compatible = "brcm,bcm6348";
cpus {
reg = <0xfffe0000 0x4>;
#address-cells = <1>;
#size-cells = <0>;
u-boot,dm-pre-reloc;
cpu@0 {
compatible = "brcm,bcm6348-cpu", "mips,mips4Kc";
device_type = "cpu";
reg = <0>;
u-boot,dm-pre-reloc;
};
};
clocks {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
u-boot,dm-pre-reloc;
periph_osc: periph-osc {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <50000000>;
u-boot,dm-pre-reloc;
};
periph_clk: periph-clk {
compatible = "brcm,bcm6345-clk";
reg = <0xfffe0004 0x4>;
#clock-cells = <1>;
};
};
pflash: nor@1fc00000 {
compatible = "cfi-flash";
reg = <0x1fc00000 0x2000000>;
bank-width = <2>;
#address-cells = <1>;
#size-cells = <1>;
status = "disabled";
};
ubus {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
u-boot,dm-pre-reloc;
pll_cntl: syscon@fffe0008 {
compatible = "syscon";
reg = <0xfffe0008 0x4>;
};
syscon-reboot {
compatible = "syscon-reboot";
regmap = <&pll_cntl>;
offset = <0x0>;
mask = <0x1>;
};
periph_rst: reset-controller@fffe0028 {
compatible = "brcm,bcm6345-reset";
reg = <0xfffe0028 0x4>;
#reset-cells = <1>;
};
wdt: watchdog@fffe021c {
compatible = "brcm,bcm6345-wdt";
reg = <0xfffe021c 0xc>;
clocks = <&periph_osc>;
};
wdt-reboot {
compatible = "wdt-reboot";
wdt = <&wdt>;
};
uart0: serial@fffe0300 {
compatible = "brcm,bcm6345-uart";
reg = <0xfffe0300 0x18>;
clocks = <&periph_osc>;
status = "disabled";
};
gpio1: gpio-controller@fffe0400 {
compatible = "brcm,bcm6345-gpio";
reg = <0xfffe0400 0x4>, <0xfffe0408 0x4>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <5>;
status = "disabled";
};
gpio0: gpio-controller@fffe0404 {
compatible = "brcm,bcm6345-gpio";
reg = <0xfffe0404 0x4>, <0xfffe040c 0x4>;
gpio-controller;
#gpio-cells = <2>;
status = "disabled";
};
memory-controller@fffe2300 {
compatible = "brcm,bcm6338-mc";
reg = <0xfffe2300 0x38>;
u-boot,dm-pre-reloc;
};
};
};

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@ -3,6 +3,7 @@ menu "Broadcom MIPS platforms"
config SYS_SOC
default "bcm6328" if SOC_BMIPS_BCM6328
default "bcm6348" if SOC_BMIPS_BCM6348
default "bcm6358" if SOC_BMIPS_BCM6358
default "bcm63268" if SOC_BMIPS_BCM63268
@ -20,6 +21,17 @@ config SOC_BMIPS_BCM6328
help
This supports BMIPS BCM6328 family including BCM63281 and BCM63283.
config SOC_BMIPS_BCM6348
bool "BMIPS BCM6348 family"
select SUPPORTS_BIG_ENDIAN
select SUPPORTS_CPU_MIPS32_R1
select MIPS_TUNE_4KC
select MIPS_L1_CACHE_SHIFT_4
select SWAP_IO_SPACE
select SYSRESET_WATCHDOG
help
This supports BMIPS BCM6348 family.
config SOC_BMIPS_BCM6358
bool "BMIPS BCM6358 family"
select SUPPORTS_BIG_ENDIAN

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@ -18,7 +18,8 @@ static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr,
static inline int is_bmips_internal_registers(phys_addr_t offset)
{
#if defined(CONFIG_SOC_BMIPS_BCM6358)
#if defined(CONFIG_SOC_BMIPS_BCM6348) || \
defined(CONFIG_SOC_BMIPS_BCM6358)
if (offset >= 0xfffe0000)
return 1;
#endif

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@ -0,0 +1,30 @@
/*
* Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CONFIG_BMIPS_BCM6348_H
#define __CONFIG_BMIPS_BCM6348_H
/* CPU */
#define CONFIG_SYS_MIPS_TIMER_FREQ 128000000
/* RAM */
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE 0x80000000
/* U-Boot */
#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE + 0x100000
#if defined(CONFIG_BMIPS_BOOT_RAM)
#define CONFIG_SKIP_LOWLEVEL_INIT
#define CONFIG_SYS_INIT_SP_OFFSET 0x2000
#endif
#define CONFIG_SYS_FLASH_BASE 0xbfc00000
#define CONFIG_SYS_FLASH_EMPTY_INFO
#define CONFIG_SYS_FLASH_PROTECTION
#define CONFIG_SYS_MAX_FLASH_BANKS_DETECT 1
#endif /* __CONFIG_BMIPS_BCM6348_H */

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@ -0,0 +1,22 @@
/*
* Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
*
* Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __DT_BINDINGS_CLOCK_BCM6348_H
#define __DT_BINDINGS_CLOCK_BCM6348_H
#define BCM6348_CLK_ADSL 0
#define BCM6348_CLK_MPI 1
#define BCM6348_CLK_SDRAM 2
#define BCM6348_CLK_M2M 3
#define BCM6348_CLK_ENET 4
#define BCM6348_CLK_SAR 5
#define BCM6348_CLK_USBS 6
#define BCM6348_CLK_USBH 8
#define BCM6348_CLK_SPI 9
#endif /* __DT_BINDINGS_CLOCK_BCM6348_H */

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@ -0,0 +1,22 @@
/*
* Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
*
* Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __DT_BINDINGS_RESET_BCM6348_H
#define __DT_BINDINGS_RESET_BCM6348_H
#define BCM6348_RST_SPI 0
#define BCM6348_RST_ENET 2
#define BCM6348_RST_USBH 3
#define BCM6348_RST_USBS 4
#define BCM6348_RST_ADSL 5
#define BCM6348_RST_DMAMEM 6
#define BCM6348_RST_SAR 7
#define BCM6348_RST_ACLC 8
#define BCM6348_RST_ADSL_MIPS 10
#endif /* __DT_BINDINGS_RESET_BCM6348_H */