From a0e7908326b9dcde4c27dbbcbc52ccbf9e009255 Mon Sep 17 00:00:00 2001 From: Purna Chandra Mandal Date: Thu, 28 Jan 2016 15:30:11 +0530 Subject: drivers: clk: Add clock driver for Microchip PIC32 Microcontroller. PIC32 clock module consists of multiple oscillators, PLLs, mutiplexers and dividers capable of supplying clock to various controllers on or off-chip. Signed-off-by: Purna Chandra Mandal Reviewed-by: Simon Glass Reviewed-by: Daniel Schwierzeck --- include/dt-bindings/clock/microchip,clock.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 include/dt-bindings/clock/microchip,clock.h (limited to 'include') diff --git a/include/dt-bindings/clock/microchip,clock.h b/include/dt-bindings/clock/microchip,clock.h new file mode 100644 index 0000000000..93c222d74f --- /dev/null +++ b/include/dt-bindings/clock/microchip,clock.h @@ -0,0 +1,29 @@ +/* + * (c) 2015 Purna Chandra Mandal + * + * SPDX-License-Identifier: GPL-2.0+ + * + */ + +#ifndef __CLK_MICROCHIP_PIC32 +#define __CLK_MICROCHIP_PIC32 + +/* clock output indices */ +#define BASECLK 0 +#define PLLCLK 1 +#define MPLL 2 +#define SYSCLK 3 +#define PB1CLK 4 +#define PB2CLK 5 +#define PB3CLK 6 +#define PB4CLK 7 +#define PB5CLK 8 +#define PB6CLK 9 +#define PB7CLK 10 +#define REF1CLK 11 +#define REF2CLK 12 +#define REF3CLK 13 +#define REF4CLK 14 +#define REF5CLK 15 + +#endif /* __CLK_MICROCHIP_PIC32 */ -- cgit v1.2.1 From 44da3a176c5bd48b7ed257454e3e551c956adb30 Mon Sep 17 00:00:00 2001 From: Purna Chandra Mandal Date: Thu, 28 Jan 2016 15:30:17 +0530 Subject: board: Add Microchip PIC32MZ[DA]-Starter-Kit board. This adds support for Microchip PIC32MZ[DA] StarterKit board based on a PIC32MZ[DA] family of microcontroller. Signed-off-by: Purna Chandra Mandal Reviewed-by: Daniel Schwierzeck --- include/configs/pic32mzdask.h | 93 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 include/configs/pic32mzdask.h (limited to 'include') diff --git a/include/configs/pic32mzdask.h b/include/configs/pic32mzdask.h new file mode 100644 index 0000000000..5ba2a19c60 --- /dev/null +++ b/include/configs/pic32mzdask.h @@ -0,0 +1,93 @@ +/* + * (c) 2015 Purna Chandra Mandal + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Microchip PIC32MZ[DA] Starter Kit. + */ + +#ifndef __PIC32MZDASK_CONFIG_H +#define __PIC32MZDASK_CONFIG_H + +/* System Configuration */ +#define CONFIG_SYS_TEXT_BASE 0x9d004000 /* .text */ +#define CONFIG_DISPLAY_BOARDINFO + +/*-------------------------------------------- + * CPU configuration + */ +/* CPU Timer rate */ +#define CONFIG_SYS_MIPS_TIMER_FREQ 100000000 + +/* Cache Configuration */ +#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT + +/*---------------------------------------------------------------------- + * Memory Layout + */ +#define CONFIG_SYS_SRAM_BASE 0x80000000 +#define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */ + +/* Initial RAM for temporary stack, global data */ +#define CONFIG_SYS_INIT_RAM_SIZE 0x10000 +#define CONFIG_SYS_INIT_RAM_ADDR \ + (CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1) + +/* SDRAM Configuration (for final code, data, stack, heap) */ +#define CONFIG_SYS_SDRAM_BASE 0x88000000 +#define CONFIG_SYS_MALLOC_LEN (256 << 10) +#define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10) +#define CONFIG_STACKSIZE (4 << 10) /* regular stack */ + +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE +#define CONFIG_SYS_MONITOR_LEN (192 << 10) + +#define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */ +#define CONFIG_SYS_ENV_ADDR 0x88300000 + +/* Memory Test */ +#define CONFIG_SYS_MEMTEST_START 0x88000000 +#define CONFIG_SYS_MEMTEST_END 0x88080000 + +/*---------------------------------------------------------------------- + * Commands + */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_CMD_CLK + +/*------------------------------------------------- + * FLASH configuration + */ +#define CONFIG_SYS_NO_FLASH + +/*------------------------------------------------------------ + * Console Configuration + */ +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args*/ +#define CONFIG_SYS_PBSIZE \ + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) +#define CONFIG_CMDLINE_EDITING 1 + +/* + * Handover flattened device tree (dtb file) to Linux kernel + */ +#define CONFIG_OF_LIBFDT 1 + +/* ------------------------------------------------- + * Environment + */ +#define CONFIG_ENV_IS_NOWHERE 1 +#define CONFIG_ENV_SIZE 0x4000 + +/* --------------------------------------------------------------------- + * Board boot configuration + */ +#define CONFIG_TIMESTAMP /* Print image info with timestamp */ +#define CONFIG_BOOTDELAY 5 /* autoboot after X seconds */ +#undef CONFIG_BOOTARGS + +#endif /* __PIC32MZDASK_CONFIG_H */ -- cgit v1.2.1 From c76eb72c43ac3ef4518dac4bee653b769d95e63e Mon Sep 17 00:00:00 2001 From: Purna Chandra Mandal Date: Thu, 28 Jan 2016 15:30:19 +0530 Subject: board: add SDHCI support for PIC32MZDASK board. Enable MMC, SDHCI, FAT_FS support for PIC32MZ[DA] StarterKit. Also add custom scripts, rules to boot Linux from microSD card. Signed-off-by: Purna Chandra Mandal --- include/configs/pic32mzdask.h | 59 +++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 57 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/configs/pic32mzdask.h b/include/configs/pic32mzdask.h index 5ba2a19c60..b25803897e 100644 --- a/include/configs/pic32mzdask.h +++ b/include/configs/pic32mzdask.h @@ -46,6 +46,7 @@ #define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */ #define CONFIG_SYS_ENV_ADDR 0x88300000 +#define CONFIG_SYS_FDT_ADDR 0x89d00000 /* Memory Test */ #define CONFIG_SYS_MEMTEST_START 0x88000000 @@ -77,6 +78,33 @@ */ #define CONFIG_OF_LIBFDT 1 +/*----------------------------------------------------------------------- + * SDHC Configuration + */ +#define CONFIG_SDHCI +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_CMD_MMC + +/*----------------------------------------------------------------------- + * File System Configuration + */ +/* FAT FS */ +#define CONFIG_DOS_PARTITION +#define CONFIG_PARTITION_UUIDS +#define CONFIG_SUPPORT_VFAT +#define CONFIG_FS_FAT +#define CONFIG_FAT_WRITE +#define CONFIG_CMD_FS_GENERIC +#define CONFIG_CMD_PART +#define CONFIG_CMD_FAT + +/* EXT4 FS */ +#define CONFIG_FS_EXT4 +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_EXT4 +#define CONFIG_CMD_EXT4_WRITE + /* ------------------------------------------------- * Environment */ @@ -87,7 +115,34 @@ * Board boot configuration */ #define CONFIG_TIMESTAMP /* Print image info with timestamp */ -#define CONFIG_BOOTDELAY 5 /* autoboot after X seconds */ -#undef CONFIG_BOOTARGS +#define CONFIG_BOOTDELAY 5 + +#define MEM_LAYOUT_ENV_SETTINGS \ + "kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \ + "fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \ + "scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" + +#define CONFIG_LEGACY_BOOTCMD_ENV \ + "legacy_bootcmd= " \ + "if load mmc 0 ${scriptaddr} uEnv.txt; then " \ + "env import -tr ${scriptaddr} ${filesize}; " \ + "if test -n \"${bootcmd_uenv}\" ; then " \ + "echo Running bootcmd_uenv ...; " \ + "run bootcmd_uenv; " \ + "fi; " \ + "fi; \0" + +#define BOOT_TARGET_DEVICES(func) \ + func(MMC, mmc, 0) + +#include + +#define CONFIG_EXTRA_ENV_SETTINGS \ + MEM_LAYOUT_ENV_SETTINGS \ + CONFIG_LEGACY_BOOTCMD_ENV \ + BOOTENV + +#undef CONFIG_BOOTCOMMAND +#define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd" #endif /* __PIC32MZDASK_CONFIG_H */ -- cgit v1.2.1 From 7d514a7407756d96996960c2ae539a4b464c65bc Mon Sep 17 00:00:00 2001 From: Purna Chandra Mandal Date: Thu, 28 Jan 2016 15:30:22 +0530 Subject: board: Enable ethernet, tftpboot support to pic32mzdask board. This adds ethernet, TFTP support for PIC32MZ[DA] Starter Kit. Also custom environment variables/scripts are added to help boot from network. Signed-off-by: Purna Chandra Mandal --- include/configs/pic32mzdask.h | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/configs/pic32mzdask.h b/include/configs/pic32mzdask.h index b25803897e..3ea11946b8 100644 --- a/include/configs/pic32mzdask.h +++ b/include/configs/pic32mzdask.h @@ -73,6 +73,25 @@ (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) #define CONFIG_CMDLINE_EDITING 1 +/*----------------------------------------------------------------------- + * Networking Configuration + */ +#define CONFIG_MII +#define CONFIG_PHY_SMSC +#define CONFIG_SYS_RX_ETH_BUFFER 8 +#define CONFIG_NET_RETRY_COUNT 20 +#define CONFIG_ARP_TIMEOUT 500 /* millisec */ + +#define CONFIG_CMD_MII + +/* + * BOOTP options + */ +#define CONFIG_BOOTP_BOOTFILESIZE +#define CONFIG_BOOTP_BOOTPATH +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_HOSTNAME + /* * Handover flattened device tree (dtb file) to Linux kernel */ @@ -133,7 +152,8 @@ "fi; \0" #define BOOT_TARGET_DEVICES(func) \ - func(MMC, mmc, 0) + func(MMC, mmc, 0) \ + func(DHCP, dhcp, na) #include -- cgit v1.2.1