From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from 64.mail-out.ovh.net ([91.121.185.65]) by canuck.infradead.org with smtp (Exim 4.72 #1 (Red Hat Linux)) id 1QJ223-0002W0-4B for barebox@lists.infradead.org; Sun, 08 May 2011 11:20:23 +0000 From: Jean-Christophe PLAGNIOL-VILLARD Date: Sun, 8 May 2011 13:09:36 +0200 Message-Id: <1304852976-8236-1-git-send-email-plagnioj@jcrosoft.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH] at91: Support for at91rm9200: core chip & board support To: barebox@lists.infradead.org Cc: Patrice Vilchez , Nicolas Ferre Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Cc: Nicolas Ferre Cc: Patrice Vilchez --- arch/arm/Makefile | 1 + arch/arm/boards/at91rm9200ek/Makefile | 1 + arch/arm/boards/at91rm9200ek/config.h | 68 +++++ arch/arm/boards/at91rm9200ek/env/config | 41 +++ arch/arm/boards/at91rm9200ek/init.c | 77 ++++++ arch/arm/configs/at91rm9200ek_defconfig | 47 ++++ arch/arm/mach-at91/Kconfig | 27 ++ arch/arm/mach-at91/Makefile | 5 +- arch/arm/mach-at91/at91rm9200.c | 245 ++++++++++++++++++ arch/arm/mach-at91/at91rm9200_devices.c | 276 ++++++++++++++++++++ arch/arm/mach-at91/at91rm9200_lowlevel_init.c | 146 +++++++++++ arch/arm/mach-at91/at91rm9200_time.c | 97 +++++++ arch/arm/mach-at91/at91sam926x_lowlevel_init.S | 278 +++++++++++++++++++++ arch/arm/mach-at91/include/mach/at91_st.h | 49 ++++ arch/arm/mach-at91/include/mach/at91_tc.h | 146 +++++++++++ arch/arm/mach-at91/include/mach/at91rm9200.h | 127 ++++++++++ arch/arm/mach-at91/include/mach/at91rm9200_emac.h | 138 ++++++++++ arch/arm/mach-at91/include/mach/at91rm9200_mc.h | 160 ++++++++++++ arch/arm/mach-at91/lowlevel_init.S | 278 --------------------- 19 files changed, 1928 insertions(+), 279 deletions(-) create mode 100644 arch/arm/boards/at91rm9200ek/Makefile create mode 100644 arch/arm/boards/at91rm9200ek/config.h create mode 100644 arch/arm/boards/at91rm9200ek/env/config create mode 100644 arch/arm/boards/at91rm9200ek/init.c create mode 100644 arch/arm/configs/at91rm9200ek_defconfig create mode 100644 arch/arm/mach-at91/at91rm9200.c create mode 100644 arch/arm/mach-at91/at91rm9200_devices.c create mode 100644 arch/arm/mach-at91/at91rm9200_lowlevel_init.c create mode 100644 arch/arm/mach-at91/at91rm9200_time.c create mode 100644 arch/arm/mach-at91/at91sam926x_lowlevel_init.S create mode 100644 arch/arm/mach-at91/include/mach/at91_st.h create mode 100644 arch/arm/mach-at91/include/mach/at91_tc.h create mode 100644 arch/arm/mach-at91/include/mach/at91rm9200.h create mode 100644 arch/arm/mach-at91/include/mach/at91rm9200_emac.h create mode 100644 arch/arm/mach-at91/include/mach/at91rm9200_mc.h delete mode 100644 arch/arm/mach-at91/lowlevel_init.S diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 108bd5e..5981616 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -57,6 +57,7 @@ machine-$(CONFIG_ARCH_VERSATILE) := versatile # by CONFIG_* macro name. board-$(CONFIG_MACH_A9M2410) := a9m2410 board-$(CONFIG_MACH_A9M2440) := a9m2440 +board-$(CONFIG_MACH_AT91RM9200EK) := at91rm9200ek board-$(CONFIG_MACH_AT91SAM9260EK) := at91sam9260ek board-$(CONFIG_MACH_AT91SAM9261EK) := at91sam9261ek board-$(CONFIG_MACH_AT91SAM9263EK) := at91sam9263ek diff --git a/arch/arm/boards/at91rm9200ek/Makefile b/arch/arm/boards/at91rm9200ek/Makefile new file mode 100644 index 0000000..eb072c0 --- /dev/null +++ b/arch/arm/boards/at91rm9200ek/Makefile @@ -0,0 +1 @@ +obj-y += init.o diff --git a/arch/arm/boards/at91rm9200ek/config.h b/arch/arm/boards/at91rm9200ek/config.h new file mode 100644 index 0000000..b630a67 --- /dev/null +++ b/arch/arm/boards/at91rm9200ek/config.h @@ -0,0 +1,68 @@ +#ifndef __CONFIG_H +#define __CONFIG_H + +#define AT91_MAIN_CLOCK 18432000 /* 18.432 MHz crystal */ + +#define MASTER_PLL_MUL 39 +#define MASTER_PLL_DIV 4 + +/* clocks */ +#define CONFIG_SYS_MOR_VAL \ + (AT91_PMC_MOSCEN | \ + (255 << 8)) /* Main Oscillator Start-up Time */ +#define CONFIG_SYS_PLLAR_VAL \ + (AT91_PMC_PLLA_WR_ERRATA | /* Bit 29 must be 1 when prog */ \ + (0x3e << 8) | /* PLL Counter */ \ + (0 << 14) | /* Divider A */ \ + ((MASTER_PLL_MUL - 1) << 16) | (MASTER_PLL_DIV)) + +#define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */ +/* PCK/2 = MCK Master Clock from SLOW */ +#define CONFIG_SYS_MCKR2_VAL1 \ + (AT91_PMC_CSS_SLOW | \ + AT91RM9200_PMC_MDIV_2) \ + +/* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */ +#define CONFIG_SYS_MCKR2_VAL2 \ + (AT91_PMC_CSS_PLLA | \ + AT91_PMC_PRES_1 | \ + AT91RM9200_PMC_MDIV_3 |\ + AT91_PMC_PDIV_1) + +/* flash */ +#define CONFIG_SYS_EBI_CFGR_VAL 0x00000000 +#define CONFIG_SYS_SMC_CSR0_VAL \ + (AT91_SMC_NWS_(4) | /* Number of Wait States */ \ + AT91_SMC_WSEN | /* Wait State Enable */ \ + AT91_SMC_TDF_(2) | /* Data Float Time */ \ + AT91_SMC_BAT | /* Byte Access Type */ \ + AT91_SMC_DBW_16) /* Data Bus Width */ + +/* sdram */ +#define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */ +#define CONFIG_SYS_PIOC_BSR_VAL 0x00000000 +#define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000 +#define CONFIG_SYS_EBI_CSA_VAL \ + (AT91_EBI_CS0A_SMC | \ + AT91_EBI_CS1A_SDRAMC | \ + AT91_EBI_CS3A_SMC | \ + AT91_EBI_CS4A_SMC) \ + +/* SDRAM */ +/* SDRAMC_MR Mode register */ +/* SDRAMC_CR - Configuration register*/ +#define CONFIG_SYS_SDRC_CR_VAL \ + (AT91_SDRAMC_NC_9 | \ + AT91_SDRAMC_NR_12 | \ + AT91_SDRAMC_NB_4 | \ + AT91_SDRAMC_CAS_2 | \ + (1 << 8) | /* Write Recovery Delay */ \ + (12 << 12) | /* Row Cycle Delay */ \ + (8 << 16) | /* Row Precharge Delay */ \ + (8 << 20) | /* Row to Column Delay */ \ + (1 << 24) | /* Active to Precharge Delay */ \ + (2 << 28)) /* Exit Self Refresh to Active Delay */ + +#define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */ + +#endif /* __CONFIG_H */ diff --git a/arch/arm/boards/at91rm9200ek/env/config b/arch/arm/boards/at91rm9200ek/env/config new file mode 100644 index 0000000..1b56b25 --- /dev/null +++ b/arch/arm/boards/at91rm9200ek/env/config @@ -0,0 +1,41 @@ +#!/bin/sh + +# use 'dhcp' to do dhcp in barebox and in kernel +# use 'none' if you want to skip kernel ip autoconfiguration +ip=dhcp + +# or set your networking parameters here +#eth0.ipaddr=a.b.c.d +#eth0.netmask=a.b.c.d +#eth0.gateway=a.b.c.d +#eth0.serverip=a.b.c.d + +# can be either 'nfs', 'tftp' or 'nor' +kernel_loc=tftp +# can be either 'net', 'nor' or 'initrd' +rootfs_loc=net + +# can be either 'jffs2' or 'ubifs' +rootfs_type=ubifs +rootfsimage=root.$rootfs_type + +# The image type of the kernel. Can be uimage, zimage, raw, or raw_lzo +#kernelimage_type=zimage +#kernelimage=zImage +kernelimage_type=uimage +kernelimage=uImage +#kernelimage_type=raw +#kernelimage=Image +#kernelimage_type=raw_lzo +#kernelimage=Image.lzo + +nor_parts="256k(barebox)ro,64k(bareboxenv),1536k(kernel),-(root)" +rootfs_mtdblock_nor=3 + +autoboot_timeout=3 + +bootargs="console=ttyS0,115200" + +# set a fancy prompt (if support is compiled in) +PS1="\e[1;31m[barebox@\h]:\w\e[0m\n# " + diff --git a/arch/arm/boards/at91rm9200ek/init.c b/arch/arm/boards/at91rm9200ek/init.c new file mode 100644 index 0000000..a449326 --- /dev/null +++ b/arch/arm/boards/at91rm9200ek/init.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static struct device_d cfi_dev = { + .id = 0, + .name = "cfi_flash", + .map_base = AT91_CHIPSELECT_0, +}; + +static struct at91_ether_platform_data ether_pdata = { + .flags = AT91SAM_ETHER_RMII, + .phy_addr = 0, +}; + +static int at91rm9200ek_devices_init(void) +{ + /* + * Correct IRDA resistor problem + * Set PA23_TXD in Output + */ + at91_set_gpio_output(AT91_PIN_PA23, 1); + + at91_add_device_sdram(64 * 1024 * 1024); + at91_add_device_eth(ðer_pdata); + register_device(&cfi_dev); + +#if defined(CONFIG_DRIVER_CFI) || defined(CONFIG_DRIVER_CFI_OLD) + devfs_add_partition("nor0", 0x00000, 0x40000, PARTITION_FIXED, "self"); + devfs_add_partition("nor0", 0x40000, 0x20000, PARTITION_FIXED, "env0"); +#endif + + armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100)); + armlinux_set_architecture(MACH_TYPE_AT91RM9200EK); + + return 0; +} +device_initcall(at91rm9200ek_devices_init); + +static int at91rm9200ek_console_init(void) +{ + at91_register_uart(0, 0); + return 0; +} +console_initcall(at91rm9200ek_console_init); diff --git a/arch/arm/configs/at91rm9200ek_defconfig b/arch/arm/configs/at91rm9200ek_defconfig new file mode 100644 index 0000000..0c10f88 --- /dev/null +++ b/arch/arm/configs/at91rm9200ek_defconfig @@ -0,0 +1,47 @@ +CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y +CONFIG_PROMPT="9200-EK:" +CONFIG_LONGHELP=y +CONFIG_GLOB=y +CONFIG_HUSH_FANCY_PROMPT=y +CONFIG_CMDLINE_EDITING=y +CONFIG_AUTO_COMPLETE=y +CONFIG_MENU=y +CONFIG_PARTITION=y +CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y +CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/at91rm9200ek/env" +CONFIG_CMD_EDIT=y +CONFIG_CMD_SLEEP=y +CONFIG_CMD_SAVEENV=y +CONFIG_CMD_LOADENV=y +CONFIG_CMD_EXPORT=y +CONFIG_CMD_PRINTENV=y +CONFIG_CMD_READLINE=y +CONFIG_CMD_MENU=y +CONFIG_CMD_MENU_MANAGEMENT=y +CONFIG_CMD_PASSWD=y +CONFIG_CMD_ECHO_E=y +CONFIG_CMD_LOADB=y +CONFIG_CMD_MEMINFO=y +CONFIG_CMD_MTEST=y +CONFIG_CMD_MTEST_ALTERNATIVE=y +CONFIG_CMD_FLASH=y +CONFIG_CMD_BOOTM_ZLIB=y +CONFIG_CMD_BOOTM_BZLIB=y +CONFIG_CMD_BOOTM_SHOW_TYPE=y +CONFIG_CMD_RESET=y +CONFIG_CMD_GO=y +CONFIG_CMD_TIMEOUT=y +CONFIG_CMD_PARTITION=y +CONFIG_CMD_GPIO=y +CONFIG_CMD_UNLZO=y +# CONFIG_SPI is not set +CONFIG_DRIVER_CFI=y +# CONFIG_DRIVER_CFI_INTEL is not set +# CONFIG_DRIVER_CFI_BANK_WIDTH_1 is not set +# CONFIG_DRIVER_CFI_BANK_WIDTH_4 is not set +CONFIG_CFI_BUFFER_WRITE=y +CONFIG_MTD=y +CONFIG_UBI=y +CONFIG_FS_CRAMFS=y +CONFIG_SHA1=y +CONFIG_SHA256=y diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index bf6ad7e..82d593a 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -6,6 +6,7 @@ config ARCH_TEXT_BASE default 0x23f00000 config BOARDINFO + default "Atmel at91rm9200-ek" if MACH_AT91RM9200EK default "Atmel 91SAM9260-EK" if MACH_AT91SAM9260EK default "Atmel at91sam9261-ek" if MACH_AT91SAM9261EK default "Atmel at91sam9263-ek" if MACH_AT91SAM9263EK @@ -25,6 +26,14 @@ comment "Atmel AT91 System-on-Chip" choice prompt "Atmel AT91 Processor" +config ARCH_AT91RM9200 + bool "AT91RM9200" + select CPU_ARM920T + select HAS_AT91_ETHER + select ARCH_HAS_LOWLEVEL_INIT + select MACH_HAS_LOWLEVEL_INIT + select MACH_DO_LOWLEVEL_INIT + config ARCH_AT91SAM9260 bool "AT91SAM9260" select CPU_ARM926T @@ -57,6 +66,24 @@ endchoice # ---------------------------------------------------------- +if ARCH_AT91RM9200 + +choice + + prompt "AT91RM9200 Board Type" + +config MACH_AT91RM9200EK + bool "Atmel AT91RM9200-EK Evaluation Kit" + help + Select this if you are using Atmel's AT91RM9200-EK Evaluation Kit. + + +endchoice + +endif + +# ---------------------------------------------------------- + if ARCH_AT91SAM9260 choice diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index d57c8f5..e72f409 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -1,8 +1,11 @@ obj-y += clock.o gpio.o -obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += lowlevel_init.o +lowlevel_init-y = at91sam926x_lowlevel_init.o +lowlevel_init-$(CONFIG_ARCH_AT91RM9200) = at91rm9200_lowlevel_init.o +obj-$(CONFIG_MACH_DO_LOWLEVEL_INIT) += $(lowlevel_init-y) # CPU-specific support +obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c new file mode 100644 index 0000000..6baf1a7 --- /dev/null +++ b/arch/arm/mach-at91/at91rm9200.c @@ -0,0 +1,245 @@ +#include +#include +#include +#include +#include + +#include "clock.h" +#include "generic.h" + +/* -------------------------------------------------------------------- + * Clocks + * -------------------------------------------------------------------- */ + +/* + * The peripheral clocks. + */ +static struct clk udc_clk = { + .name = "udc_clk", + .pmc_mask = 1 << AT91RM9200_ID_UDP, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ohci_clk = { + .name = "ohci_clk", + .pmc_mask = 1 << AT91RM9200_ID_UHP, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ether_clk = { + .name = "ether_clk", + .pmc_mask = 1 << AT91RM9200_ID_EMAC, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk mmc_clk = { + .name = "mci_clk", + .pmc_mask = 1 << AT91RM9200_ID_MCI, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk twi_clk = { + .name = "twi_clk", + .pmc_mask = 1 << AT91RM9200_ID_TWI, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk usart0_clk = { + .name = "usart0_clk", + .pmc_mask = 1 << AT91RM9200_ID_US0, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk usart1_clk = { + .name = "usart1_clk", + .pmc_mask = 1 << AT91RM9200_ID_US1, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk usart2_clk = { + .name = "usart2_clk", + .pmc_mask = 1 << AT91RM9200_ID_US2, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk usart3_clk = { + .name = "usart3_clk", + .pmc_mask = 1 << AT91RM9200_ID_US3, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk spi_clk = { + .name = "spi_clk", + .pmc_mask = 1 << AT91RM9200_ID_SPI, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk pioA_clk = { + .name = "pioA_clk", + .pmc_mask = 1 << AT91RM9200_ID_PIOA, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk pioB_clk = { + .name = "pioB_clk", + .pmc_mask = 1 << AT91RM9200_ID_PIOB, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk pioC_clk = { + .name = "pioC_clk", + .pmc_mask = 1 << AT91RM9200_ID_PIOC, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk pioD_clk = { + .name = "pioD_clk", + .pmc_mask = 1 << AT91RM9200_ID_PIOD, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ssc0_clk = { + .name = "ssc0_clk", + .pmc_mask = 1 << AT91RM9200_ID_SSC0, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ssc1_clk = { + .name = "ssc1_clk", + .pmc_mask = 1 << AT91RM9200_ID_SSC1, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk ssc2_clk = { + .name = "ssc2_clk", + .pmc_mask = 1 << AT91RM9200_ID_SSC2, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk tc0_clk = { + .name = "tc0_clk", + .pmc_mask = 1 << AT91RM9200_ID_TC0, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk tc1_clk = { + .name = "tc1_clk", + .pmc_mask = 1 << AT91RM9200_ID_TC1, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk tc2_clk = { + .name = "tc2_clk", + .pmc_mask = 1 << AT91RM9200_ID_TC2, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk tc3_clk = { + .name = "tc3_clk", + .pmc_mask = 1 << AT91RM9200_ID_TC3, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk tc4_clk = { + .name = "tc4_clk", + .pmc_mask = 1 << AT91RM9200_ID_TC4, + .type = CLK_TYPE_PERIPHERAL, +}; +static struct clk tc5_clk = { + .name = "tc5_clk", + .pmc_mask = 1 << AT91RM9200_ID_TC5, + .type = CLK_TYPE_PERIPHERAL, +}; + +static struct clk *periph_clocks[] __initdata = { + &pioA_clk, + &pioB_clk, + &pioC_clk, + &pioD_clk, + &usart0_clk, + &usart1_clk, + &usart2_clk, + &usart3_clk, + &mmc_clk, + &udc_clk, + &twi_clk, + &spi_clk, + &ssc0_clk, + &ssc1_clk, + &ssc2_clk, + &tc0_clk, + &tc1_clk, + &tc2_clk, + &tc3_clk, + &tc4_clk, + &tc5_clk, + &ohci_clk, + ðer_clk, + // irq0 .. irq6 +}; + +/* + * The four programmable clocks. + * You must configure pin multiplexing to bring these signals out. + */ +static struct clk pck0 = { + .name = "pck0", + .pmc_mask = AT91_PMC_PCK0, + .type = CLK_TYPE_PROGRAMMABLE, + .id = 0, +}; +static struct clk pck1 = { + .name = "pck1", + .pmc_mask = AT91_PMC_PCK1, + .type = CLK_TYPE_PROGRAMMABLE, + .id = 1, +}; +static struct clk pck2 = { + .name = "pck2", + .pmc_mask = AT91_PMC_PCK2, + .type = CLK_TYPE_PROGRAMMABLE, + .id = 2, +}; +static struct clk pck3 = { + .name = "pck3", + .pmc_mask = AT91_PMC_PCK3, + .type = CLK_TYPE_PROGRAMMABLE, + .id = 3, +}; + +static void __init at91rm9200_register_clocks(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(periph_clocks); i++) + clk_register(periph_clocks[i]); + + clk_register(&pck0); + clk_register(&pck1); + clk_register(&pck2); + clk_register(&pck3); +} + +/* -------------------------------------------------------------------- + * GPIO + * -------------------------------------------------------------------- */ + +static struct at91_gpio_bank at91rm9200_gpio[] = { + { + .id = AT91RM9200_ID_PIOA, + .offset = AT91_PIOA, + .clock = &pioA_clk, + }, { + .id = AT91RM9200_ID_PIOB, + .offset = AT91_PIOB, + .clock = &pioB_clk, + }, { + .id = AT91RM9200_ID_PIOC, + .offset = AT91_PIOC, + .clock = &pioC_clk, + }, { + .id = AT91RM9200_ID_PIOD, + .offset = AT91_PIOD, + .clock = &pioD_clk, + } +}; + + +/* -------------------------------------------------------------------- + * AT91RM9200 processor initialization + * -------------------------------------------------------------------- */ +static int __init at91rm9200_initialize(void) +{ + + /* Init clock subsystem */ + at91_clock_init(AT91_MAIN_CLOCK); + + /* Register the processor-specific clocks */ + at91rm9200_register_clocks(); + + /* Initialize GPIO subsystem */ + at91_gpio_init(at91rm9200_gpio, ARRAY_SIZE(at91rm9200_gpio)); + + return 0; +} + +core_initcall(at91rm9200_initialize); diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c new file mode 100644 index 0000000..f45008a --- /dev/null +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -0,0 +1,276 @@ +/* + * arch/arm/mach-at91/at91rm9200_devices.c + * + * Copyright (C) 2005 Thibaut VARENE + * Copyright (C) 2005 David Brownell + * + * 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. + * + */ +#include +#include +#include +#include +#include +#include +#include + +#include "generic.h" + +static struct memory_platform_data ram_pdata = { + .name = "ram0", + .flags = DEVFS_RDWR, +}; + +static struct device_d sdram_dev = { + .id = -1, + .name = "mem", + .map_base = AT91_CHIPSELECT_1, + .platform_data = &ram_pdata, +}; + +void at91_add_device_sdram(u32 size) +{ + sdram_dev.size = size; + register_device(&sdram_dev); + armlinux_add_dram(&sdram_dev); +} + +/* -------------------------------------------------------------------- + * Ethernet + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_DRIVER_NET_AT91_ETHER) +static struct device_d at91rm9200_eth_device = { + .id = 0, + .name = "at91_ether", + .map_base = AT91_VA_BASE_EMAC, + .size = 0x1000, +}; + +void __init at91_add_device_eth(struct at91_ether_platform_data *data) +{ + if (!data) + return; + + /* Pins used for MII and RMII */ + at91_set_A_periph(AT91_PIN_PA16, 0); /* EMDIO */ + at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */ + at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */ + at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ + at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ + at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */ + at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */ + at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */ + at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */ + at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */ + + if (!(data->flags & AT91SAM_ETHER_RMII)) { + at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */ + at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */ + at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */ + at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */ + at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */ + at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */ + at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */ + at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */ + } + + at91rm9200_eth_device.platform_data = data; + register_device(&at91rm9200_eth_device); +} +#else +void __init at91_add_device_eth(struct at91_ether_platform_data *data) {} +#endif + +/* -------------------------------------------------------------------- + * NAND / SmartMedia + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_NAND_ATMEL) +static struct device_d at91rm9200_nand_device = { + .id = -1, + .name = "atmel_nand", + .map_base = AT91_CHIPSELECT_3, + .size = 0x10, +}; + +void __init at91_add_device_nand(struct atmel_nand_data *data) +{ + unsigned int csa; + + if (!data) + return; + + /* enable the address range of CS3 */ + csa = at91_sys_read(AT91_EBI_CSA); + at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS3A_SMC_SMARTMEDIA); + + /* set the bus interface characteristics */ + at91_sys_write(AT91_SMC_CSR(3), AT91_SMC_ACSS_STD | AT91_SMC_DBW_8 | AT91_SMC_WSEN + | AT91_SMC_NWS_(5) + | AT91_SMC_TDF_(1) + | AT91_SMC_RWSETUP_(0) /* tDS Data Set up Time 30 - ns */ + | AT91_SMC_RWHOLD_(1) /* tDH Data Hold Time 20 - ns */ + ); + + /* enable pin */ + if (data->enable_pin) + at91_set_gpio_output(data->enable_pin, 1); + + /* ready/busy pin */ + if (data->rdy_pin) + at91_set_gpio_input(data->rdy_pin, 1); + + /* card detect pin */ + if (data->det_pin) + at91_set_gpio_input(data->det_pin, 1); + + at91_set_A_periph(AT91_PIN_PC1, 0); /* SMOE */ + at91_set_A_periph(AT91_PIN_PC3, 0); /* SMWE */ + + at91rm9200_nand_device.platform_data = data; + platform_device_register(&at91rm9200_nand_device); +} +#else +void __init at91_add_device_nand(struct atmel_nand_data *data) {} +#endif + +/* -------------------------------------------------------------------- + * UART + * -------------------------------------------------------------------- */ + +static struct device_d dbgu_serial_device = { + .id = 0, + .name = "atmel_serial", + .map_base = (AT91_BASE_SYS + AT91_DBGU), + .size = 4096, +}; + +static inline void configure_dbgu_pins(void) +{ + at91_set_A_periph(AT91_PIN_PA30, 0); /* DRXD */ + at91_set_A_periph(AT91_PIN_PA31, 1); /* DTXD */ +} + +static struct device_d uart0_serial_device = { + .id = 1, + .name = "atmel_serial", + .map_base = AT91RM9200_BASE_US0, + .size = 4096, +}; + +static inline void configure_usart0_pins(unsigned pins) +{ + at91_set_A_periph(AT91_PIN_PA17, 1); /* TXD0 */ + at91_set_A_periph(AT91_PIN_PA18, 0); /* RXD0 */ + + if (pins & ATMEL_UART_CTS) + at91_set_A_periph(AT91_PIN_PA20, 0); /* CTS0 */ + + if (pins & ATMEL_UART_RTS) { + /* + * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21. + * We need to drive the pin manually. Default is off (RTS is active low). + */ + at91_set_gpio_output(AT91_PIN_PA21, 1); + } +} + +static struct device_d uart1_serial_device = { + .id = 2, + .name = "atmel_serial", + .map_base = AT91RM9200_BASE_US1, + .size = 4096, +}; + +static inline void configure_usart1_pins(unsigned pins) +{ + at91_set_A_periph(AT91_PIN_PB20, 1); /* TXD1 */ + at91_set_A_periph(AT91_PIN_PB21, 0); /* RXD1 */ + + if (pins & ATMEL_UART_RI) + at91_set_A_periph(AT91_PIN_PB18, 0); /* RI1 */ + if (pins & ATMEL_UART_DTR) + at91_set_A_periph(AT91_PIN_PB19, 0); /* DTR1 */ + if (pins & ATMEL_UART_DCD) + at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD1 */ + if (pins & ATMEL_UART_CTS) + at91_set_A_periph(AT91_PIN_PB24, 0); /* CTS1 */ + if (pins & ATMEL_UART_DSR) + at91_set_A_periph(AT91_PIN_PB25, 0); /* DSR1 */ + if (pins & ATMEL_UART_RTS) + at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS1 */ +} + +static struct device_d uart2_serial_device = { + .id = 3, + .name = "atmel_serial", + .map_base = AT91RM9200_BASE_US2, + .size = 4096, +}; + +static inline void configure_usart2_pins(unsigned pins) +{ + at91_set_A_periph(AT91_PIN_PA22, 0); /* RXD2 */ + at91_set_A_periph(AT91_PIN_PA23, 1); /* TXD2 */ + + if (pins & ATMEL_UART_CTS) + at91_set_B_periph(AT91_PIN_PA30, 0); /* CTS2 */ + if (pins & ATMEL_UART_RTS) + at91_set_B_periph(AT91_PIN_PA31, 0); /* RTS2 */ +} + +static struct device_d uart3_serial_device = { + .id = 4, + .name = "atmel_serial", + .map_base = AT91RM9200_BASE_US3, + .size = 4096, +}; + +static inline void configure_usart3_pins(unsigned pins) +{ + at91_set_B_periph(AT91_PIN_PA5, 1); /* TXD3 */ + at91_set_B_periph(AT91_PIN_PA6, 0); /* RXD3 */ + + if (pins & ATMEL_UART_CTS) + at91_set_B_periph(AT91_PIN_PB1, 0); /* CTS3 */ + if (pins & ATMEL_UART_RTS) + at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS3 */ +} + +void __init at91_register_uart(unsigned id, unsigned pins) +{ + switch (id) { + case 0: /* DBGU */ + configure_dbgu_pins(); + at91_clock_associate("mck", &dbgu_serial_device, "usart"); + register_device(&dbgu_serial_device); + break; + case AT91RM9200_ID_US0: + configure_usart0_pins(pins); + at91_clock_associate("usart0_clk", &uart0_serial_device, "usart"); + break; + case AT91RM9200_ID_US1: + configure_usart1_pins(pins); + at91_clock_associate("usart1_clk", &uart1_serial_device, "usart"); + register_device(&uart1_serial_device); + break; + case AT91RM9200_ID_US2: + configure_usart2_pins(pins); + at91_clock_associate("usart2_clk", &uart2_serial_device, "usart"); + register_device(&uart2_serial_device); + break; + case AT91RM9200_ID_US3: + configure_usart3_pins(pins); + at91_clock_associate("usart3_clk", &uart3_serial_device, "usart"); + register_device(&uart3_serial_device); + break; + default: + return; + } + +} diff --git a/arch/arm/mach-at91/at91rm9200_lowlevel_init.c b/arch/arm/mach-at91/at91rm9200_lowlevel_init.c new file mode 100644 index 0000000..8d9ae08 --- /dev/null +++ b/arch/arm/mach-at91/at91rm9200_lowlevel_init.c @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2009-2011 Jean-Christophe PLAGNIOL-VILLARD + * + * Under GPLv2 + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +void static inline access_sdram(void) +{ + writel(0x00000000, AT91_SDRAM_BASE); +} + +void __naked __bare_init arch_init_lowlevel(void) +{ + /* + * relocate exception table + */ + __asm__ __volatile__ ( +" ldr r0, =exception_vectors\n" +" ldr r1, =0x0\n" +" mov r2, #16\n" +"loopev:\n" +" subs r2, r2, #1\n" +" ldr r3, [r0], #4\n" +" str r3, [r1], #4\n" +" bne loopev\n" +" mov pc, lr\n" +); +} + +void __naked __bare_init board_init_lowlevel(void) +{ + u32 r; + int i; + + /* + * PMC Check if the PLL is already initialized + */ + r = at91_sys_read(AT91_PMC_MCKR); + if (r & AT91_PMC_CSS) + goto end; + + /* + * Enable the Main Oscillator + */ + at91_sys_write(AT91_CKGR_MOR, CONFIG_SYS_MOR_VAL); + + do { + r = at91_sys_read(AT91_PMC_SR); + } while (!(r & AT91_PMC_MOSCS)); + + /* + * EBI_CFGR + */ + at91_sys_write(AT91_EBI_CFGR, CONFIG_SYS_EBI_CFGR_VAL); + + /* + * SMC2_CSR[0]: 16bit, 2 TDF, 4 WS + */ + at91_sys_write(AT91_SMC_CSR(0), CONFIG_SYS_SMC_CSR0_VAL); + + /* + * Init Clocks + */ + + /* + * PLLAR: x MHz for PCK + */ + at91_sys_write(AT91_CKGR_PLLAR, CONFIG_SYS_PLLAR_VAL); + + do { + r = at91_sys_read(AT91_PMC_SR); + } while (!(r & AT91_PMC_LOCKA)); + + /* + * PCK/x = MCK Master Clock from SLOW + */ + at91_sys_write(AT91_PMC_MCKR, CONFIG_SYS_MCKR2_VAL1); + + /* + * PCK/x = MCK Master Clock from PLLA + */ + at91_sys_write(AT91_PMC_MCKR, CONFIG_SYS_MCKR2_VAL2); + + do { + r = at91_sys_read(AT91_PMC_SR); + } while (!(r & AT91_PMC_MCKRDY)); + + /* + * Init SDRAM + */ + + /* PIOC_ASR: Configure PIOC as peripheral (D16/D31) */ + at91_sys_write(AT91_PIOC + PIO_ASR, CONFIG_SYS_PIOC_ASR_VAL); + /* PIOC_BSR */ + at91_sys_write(AT91_PIOC + PIO_BSR, CONFIG_SYS_PIOC_BSR_VAL); + /* PIOC_PDR */ + at91_sys_write(AT91_PIOC + PIO_PDR, CONFIG_SYS_PIOC_PDR_VAL); + + /* EBI_CSA : CS1=SDRAM */ + at91_sys_write(AT91_EBI_CSA, CONFIG_SYS_EBI_CSA_VAL); + + /* SDRC_CR */ + at91_sys_write(AT91_SDRAMC_CR, CONFIG_SYS_SDRC_CR_VAL); + /* SDRC_MR : Precharge All */ + at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_PRECHARGE); + /* access SDRAM */ + access_sdram(); + /* SDRC_MR : refresh */ + at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_REFRESH); + + /* access SDRAM 8 times */ + for (i = 0; i < 8; i++) + access_sdram(); + + /* SDRC_MR : Load Mode Register */ + at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_LMR); + /* access SDRAM */ + access_sdram(); + /* SDRC_TR : Write refresh rate */ + at91_sys_write(AT91_SDRAMC_TR, CONFIG_SYS_SDRC_TR_VAL); + /* access SDRAM */ + access_sdram(); + /* SDRC_MR : Normal Mode */ + at91_sys_write(AT91_SDRAMC_MR, AT91_SDRAMC_MODE_NORMAL); + /* access SDRAM */ + access_sdram(); + + /* switch from FastBus to Asynchronous clock mode */ + r = get_cr(); + r |= 0xC0000000; /* set bit 31 (iA) and 30 (nF) */ + set_cr(r); + +end: + board_init_lowlevel_return(); +} diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c new file mode 100644 index 0000000..92b9e66 --- /dev/null +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -0,0 +1,97 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH + * Marius Groeger + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH + * Alex Zuepke + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, + * + * 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 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * The ST_CRTR is updated asynchronously to the master clock ... but + * the updates as seen by the CPU don't seem to be strictly monotonic. + * Waiting until we read the same value twice avoids glitching. + */ +uint64_t at91rm9200_clocksource_read(void) +{ + unsigned long x1, x2; + + x1 = at91_sys_read(AT91_ST_CRTR); + do { + x2 = at91_sys_read(AT91_ST_CRTR); + if (x1 == x2) + break; + x1 = x2; + } while (1); + return x1; +} + +static struct clocksource cs = { + .mask = CLOCKSOURCE_MASK(20), + .read = at91rm9200_clocksource_read, + .shift = 10, +}; + +static int clocksource_init (void) +{ + /* The 32KiHz "Slow Clock" (tick every 30517.58 nanoseconds) is used + * directly for the clocksource and all clockevents, after adjusting + * its prescaler from the 1 Hz default. + */ + at91_sys_write(AT91_ST_RTMR, 1); + + cs.mult = clocksource_hz2mult(AT91_SLOW_CLOCK, cs.shift); + + init_clock(&cs); + + return 0; +} +core_initcall(clocksource_init); + +/* + * Reset the cpu through the reset controller + */ +void __noreturn reset_cpu (unsigned long ignored) +{ + /* + * Perform a hardware reset with the use of the Watchdog timer. + */ + at91_sys_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1); + at91_sys_write(AT91_ST_CR, AT91_ST_WDRST); + + /* Not reached */ + while (1); +} +EXPORT_SYMBOL(reset_cpu); diff --git a/arch/arm/mach-at91/at91sam926x_lowlevel_init.S b/arch/arm/mach-at91/at91sam926x_lowlevel_init.S new file mode 100644 index 0000000..805b201 --- /dev/null +++ b/arch/arm/mach-at91/at91sam926x_lowlevel_init.S @@ -0,0 +1,278 @@ +/* + * Memory Setup stuff - taken from blob memsetup.S + * + * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and + * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) + * + * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at) + * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD + * + * 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 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +_TEXT_BASE: + .word TEXT_BASE + +.globl board_init_lowlevel +.type board_init_lowlevel,function +board_init_lowlevel: + + mov r5, pc /* r5 = POS1 + 4 current */ +POS1: + ldr r0, =POS1 /* r0 = POS1 compile */ + ldr r2, _TEXT_BASE + sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */ + sub r5, r5, r0 /* r0 = TEXT_BASE-1 */ + sub r5, r5, #4 /* r1 = text base - current */ + + /* memory control configuration 1 */ + ldr r0, =SMRDATA + ldr r2, =SMRDATA1 + ldr r1, _TEXT_BASE + sub r0, r0, r1 + sub r2, r2, r1 + add r0, r0, r5 + add r2, r2, r5 +0: + /* the address */ + ldr r1, [r0], #4 + /* the value */ + ldr r3, [r0], #4 + str r3, [r1] + cmp r2, r0 + bne 0b + +/* ---------------------------------------------------------------------------- + * PMC Init Step 1. + * ---------------------------------------------------------------------------- + * - Check if the PLL is already initialized + * ---------------------------------------------------------------------------- + */ + ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR) + ldr r0, [r1] + and r0, r0, #3 + cmp r0, #0 + bne PLL_setup_end + +/* --------------------------------------------------------------------------- + * - Enable the Main Oscillator + * --------------------------------------------------------------------------- + */ + ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR) + ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR) + /* Main oscillator Enable register PMC_MOR: */ + ldr r0, =CONFIG_SYS_MOR_VAL + str r0, [r1] + + /* Reading the PMC Status to detect when the Main Oscillator is enabled */ + mov r4, #AT91_PMC_MOSCS +MOSCS_Loop: + ldr r3, [r2] + and r3, r4, r3 + cmp r3, #AT91_PMC_MOSCS + bne MOSCS_Loop + +/* ---------------------------------------------------------------------------- + * PMC Init Step 2. + * ---------------------------------------------------------------------------- + * Setup PLLA + * ---------------------------------------------------------------------------- + */ + ldr r1, =(AT91_BASE_SYS + AT91_CKGR_PLLAR) + ldr r0, =CONFIG_SYS_PLLAR_VAL + str r0, [r1] + + /* Reading the PMC Status register to detect when the PLLA is locked */ + mov r4, #AT91_PMC_LOCKA +MOSCS_Loop1: + ldr r3, [r2] + and r3, r4, r3 + cmp r3, #AT91_PMC_LOCKA + bne MOSCS_Loop1 + +/* ---------------------------------------------------------------------------- + * PMC Init Step 3. + * ---------------------------------------------------------------------------- + * - Switch on the Main Oscillator + * ---------------------------------------------------------------------------- + */ + ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR) + + /* -Master Clock Controller register PMC_MCKR */ + ldr r0, =CONFIG_SYS_MCKR1_VAL + str r0, [r1] + + /* Reading the PMC Status to detect when the Master clock is ready */ + mov r4, #AT91_PMC_MCKRDY +MCKRDY_Loop: + ldr r3, [r2] + and r3, r4, r3 + cmp r3, #AT91_PMC_MCKRDY + bne MCKRDY_Loop + + ldr r0, =CONFIG_SYS_MCKR2_VAL + str r0, [r1] + + /* Reading the PMC Status to detect when the Master clock is ready */ + mov r4, #AT91_PMC_MCKRDY +MCKRDY_Loop1: + ldr r3, [r2] + and r3, r4, r3 + cmp r3, #AT91_PMC_MCKRDY + bne MCKRDY_Loop1 + +PLL_setup_end: + +/* ---------------------------------------------------------------------------- + * - memory control configuration 2 + * ---------------------------------------------------------------------------- + */ + ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR) + ldr r1, [r0] + cmp r1, #0 + bne SDRAM_setup_end + + ldr r0, =SMRDATA1 + ldr r2, =SMRDATA2 + ldr r1, _TEXT_BASE + sub r0, r0, r1 + sub r2, r2, r1 + add r0, r0, r5 + add r2, r2, r5 + +2: + /* the address */ + ldr r1, [r0], #4 + /* the value */ + ldr r3, [r0], #4 + str r3, [r1] + cmp r2, r0 + bne 2b + +SDRAM_setup_end: + /* everything is fine now */ + mov pc, lr + + .ltorg + +SMRDATA: + .word (AT91_BASE_SYS + AT91_WDT_MR) + .word CONFIG_SYS_WDTC_WDMR_VAL + + /* configure PIOx as EBI0 D[16-31] */ +#if defined(CONFIG_ARCH_AT91SAM9263) + .word (AT91_BASE_SYS + AT91_PIOD + PIO_PDR) + .word CONFIG_SYS_PIOD_PDR_VAL1 + .word (AT91_BASE_SYS + AT91_PIOD + PIO_PUDR) + .word CONFIG_SYS_PIOD_PPUDR_VAL + .word (AT91_BASE_SYS + AT91_PIOD + PIO_ASR) + .word CONFIG_SYS_PIOD_PPUDR_VAL +#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9261) \ + || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91SAM9G10) + .word (AT91_BASE_SYS + AT91_PIOC + PIO_PDR) + .word CONFIG_SYS_PIOC_PDR_VAL1 + .word (AT91_BASE_SYS + AT91_PIOC + PIO_PUDR) + .word CONFIG_SYS_PIOC_PPUDR_VAL +#endif + +#if defined(AT91_MATRIX_EBI0CSA) + .word (AT91_BASE_SYS + AT91_MATRIX_EBI0CSA) + .word CONFIG_SYS_MATRIX_EBI0CSA_VAL +#else /* AT91_MATRIX_EBICSA */ + .word (AT91_BASE_SYS + AT91_MATRIX_EBICSA) + .word CONFIG_SYS_MATRIX_EBICSA_VAL +#endif + + /* flash */ + .word (AT91_BASE_SYS + AT91_SMC_MODE(0)) + .word CONFIG_SYS_SMC0_MODE0_VAL + + .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0)) + .word CONFIG_SYS_SMC0_CYCLE0_VAL + + .word (AT91_BASE_SYS + AT91_SMC_PULSE(0)) + .word CONFIG_SYS_SMC0_PULSE0_VAL + + .word (AT91_BASE_SYS + AT91_SMC_SETUP(0)) + .word CONFIG_SYS_SMC0_SETUP0_VAL + +SMRDATA1: + .word (AT91_BASE_SYS + AT91_SDRAMC_MR) + .word CONFIG_SYS_SDRC_MR_VAL1 + .word (AT91_BASE_SYS + AT91_SDRAMC_TR) + .word CONFIG_SYS_SDRC_TR_VAL1 + .word (AT91_BASE_SYS + AT91_SDRAMC_CR) + .word CONFIG_SYS_SDRC_CR_VAL + .word (AT91_BASE_SYS + AT91_SDRAMC_MDR) + .word CONFIG_SYS_SDRC_MDR_VAL + .word (AT91_BASE_SYS + AT91_SDRAMC_MR) + .word CONFIG_SYS_SDRC_MR_VAL2 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL1 + .word (AT91_BASE_SYS + AT91_SDRAMC_MR) + .word CONFIG_SYS_SDRC_MR_VAL3 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL2 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL3 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL4 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL5 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL6 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL7 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL8 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL9 + .word (AT91_BASE_SYS + AT91_SDRAMC_MR) + .word CONFIG_SYS_SDRC_MR_VAL4 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL10 + .word (AT91_BASE_SYS + AT91_SDRAMC_MR) + .word CONFIG_SYS_SDRC_MR_VAL5 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL11 + .word (AT91_BASE_SYS + AT91_SDRAMC_TR) + .word CONFIG_SYS_SDRC_TR_VAL2 + .word AT91_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL12 + /* User reset enable*/ + .word (AT91_BASE_SYS + AT91_RSTC_MR) + .word CONFIG_SYS_RSTC_RMR_VAL +#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP + /* MATRIX_MCFG - REMAP all masters */ + .word (AT91_BASE_SYS + AT91_MATRIX_MCFG0) + .word 0x1FF +#endif + +SMRDATA2: + .word 0 diff --git a/arch/arm/mach-at91/include/mach/at91_st.h b/arch/arm/mach-at91/include/mach/at91_st.h new file mode 100644 index 0000000..8847173 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91_st.h @@ -0,0 +1,49 @@ +/* + * arch/arm/mach-at91/include/mach/at91_st.h + * + * Copyright (C) 2005 Ivan Kokshaysky + * Copyright (C) SAN People + * + * System Timer (ST) - System peripherals registers. + * Based on AT91RM9200 datasheet revision E. + * + * 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. + */ + +#ifndef AT91_ST_H +#define AT91_ST_H + +#define AT91_ST_CR (AT91_ST + 0x00) /* Control Register */ +#define AT91_ST_WDRST (1 << 0) /* Watchdog Timer Restart */ + +#define AT91_ST_PIMR (AT91_ST + 0x04) /* Period Interval Mode Register */ +#define AT91_ST_PIV (0xffff << 0) /* Period Interval Value */ + +#define AT91_ST_WDMR (AT91_ST + 0x08) /* Watchdog Mode Register */ +#define AT91_ST_WDV (0xffff << 0) /* Watchdog Counter Value */ +#define AT91_ST_RSTEN (1 << 16) /* Reset Enable */ +#define AT91_ST_EXTEN (1 << 17) /* External Signal Assertion Enable */ + +#define AT91_ST_RTMR (AT91_ST + 0x0c) /* Real-time Mode Register */ +#define AT91_ST_RTPRES (0xffff << 0) /* Real-time Prescalar Value */ + +#define AT91_ST_SR (AT91_ST + 0x10) /* Status Register */ +#define AT91_ST_PITS (1 << 0) /* Period Interval Timer Status */ +#define AT91_ST_WDOVF (1 << 1) /* Watchdog Overflow */ +#define AT91_ST_RTTINC (1 << 2) /* Real-time Timer Increment */ +#define AT91_ST_ALMS (1 << 3) /* Alarm Status */ + +#define AT91_ST_IER (AT91_ST + 0x14) /* Interrupt Enable Register */ +#define AT91_ST_IDR (AT91_ST + 0x18) /* Interrupt Disable Register */ +#define AT91_ST_IMR (AT91_ST + 0x1c) /* Interrupt Mask Register */ + +#define AT91_ST_RTAR (AT91_ST + 0x20) /* Real-time Alarm Register */ +#define AT91_ST_ALMV (0xfffff << 0) /* Alarm Value */ + +#define AT91_ST_CRTR (AT91_ST + 0x24) /* Current Real-time Register */ +#define AT91_ST_CRTV (0xfffff << 0) /* Current Real-Time Value */ + +#endif diff --git a/arch/arm/mach-at91/include/mach/at91_tc.h b/arch/arm/mach-at91/include/mach/at91_tc.h new file mode 100644 index 0000000..5a064b4 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91_tc.h @@ -0,0 +1,146 @@ +/* + * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_tc.h] + * + * Copyright (C) SAN People + * + * Timer/Counter Unit (TC) registers. + * Based on AT91RM9200 datasheet revision E. + * + * 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. + */ + +#ifndef AT91_TC_H +#define AT91_TC_H + +#define AT91_TC_BCR 0xc0 /* TC Block Control Register */ +#define AT91_TC_SYNC (1 << 0) /* Synchro Command */ + +#define AT91_TC_BMR 0xc4 /* TC Block Mode Register */ +#define AT91_TC_TC0XC0S (3 << 0) /* External Clock Signal 0 Selection */ +#define AT91_TC_TC0XC0S_TCLK0 (0 << 0) +#define AT91_TC_TC0XC0S_NONE (1 << 0) +#define AT91_TC_TC0XC0S_TIOA1 (2 << 0) +#define AT91_TC_TC0XC0S_TIOA2 (3 << 0) +#define AT91_TC_TC1XC1S (3 << 2) /* External Clock Signal 1 Selection */ +#define AT91_TC_TC1XC1S_TCLK1 (0 << 2) +#define AT91_TC_TC1XC1S_NONE (1 << 2) +#define AT91_TC_TC1XC1S_TIOA0 (2 << 2) +#define AT91_TC_TC1XC1S_TIOA2 (3 << 2) +#define AT91_TC_TC2XC2S (3 << 4) /* External Clock Signal 2 Selection */ +#define AT91_TC_TC2XC2S_TCLK2 (0 << 4) +#define AT91_TC_TC2XC2S_NONE (1 << 4) +#define AT91_TC_TC2XC2S_TIOA0 (2 << 4) +#define AT91_TC_TC2XC2S_TIOA1 (3 << 4) + + +#define AT91_TC_CCR 0x00 /* Channel Control Register */ +#define AT91_TC_CLKEN (1 << 0) /* Counter Clock Enable Command */ +#define AT91_TC_CLKDIS (1 << 1) /* Counter CLock Disable Command */ +#define AT91_TC_SWTRG (1 << 2) /* Software Trigger Command */ + +#define AT91_TC_CMR 0x04 /* Channel Mode Register */ +#define AT91_TC_TCCLKS (7 << 0) /* Capture/Waveform Mode: Clock Selection */ +#define AT91_TC_TIMER_CLOCK1 (0 << 0) +#define AT91_TC_TIMER_CLOCK2 (1 << 0) +#define AT91_TC_TIMER_CLOCK3 (2 << 0) +#define AT91_TC_TIMER_CLOCK4 (3 << 0) +#define AT91_TC_TIMER_CLOCK5 (4 << 0) +#define AT91_TC_XC0 (5 << 0) +#define AT91_TC_XC1 (6 << 0) +#define AT91_TC_XC2 (7 << 0) +#define AT91_TC_CLKI (1 << 3) /* Capture/Waveform Mode: Clock Invert */ +#define AT91_TC_BURST (3 << 4) /* Capture/Waveform Mode: Burst Signal Selection */ +#define AT91_TC_LDBSTOP (1 << 6) /* Capture Mode: Counter Clock Stopped with TB Loading */ +#define AT91_TC_LDBDIS (1 << 7) /* Capture Mode: Counter Clock Disable with RB Loading */ +#define AT91_TC_ETRGEDG (3 << 8) /* Capture Mode: External Trigger Edge Selection */ +#define AT91_TC_ABETRG (1 << 10) /* Capture Mode: TIOA or TIOB External Trigger Selection */ +#define AT91_TC_CPCTRG (1 << 14) /* Capture Mode: RC Compare Trigger Enable */ +#define AT91_TC_WAVE (1 << 15) /* Capture/Waveform mode */ +#define AT91_TC_LDRA (3 << 16) /* Capture Mode: RA Loading Selection */ +#define AT91_TC_LDRB (3 << 18) /* Capture Mode: RB Loading Selection */ + +#define AT91_TC_CPCSTOP (1 << 6) /* Waveform Mode: Counter Clock Stopped with RC Compare */ +#define AT91_TC_CPCDIS (1 << 7) /* Waveform Mode: Counter Clock Disable with RC Compare */ +#define AT91_TC_EEVTEDG (3 << 8) /* Waveform Mode: External Event Edge Selection */ +#define AT91_TC_EEVTEDG_NONE (0 << 8) +#define AT91_TC_EEVTEDG_RISING (1 << 8) +#define AT91_TC_EEVTEDG_FALLING (2 << 8) +#define AT91_TC_EEVTEDG_BOTH (3 << 8) +#define AT91_TC_EEVT (3 << 10) /* Waveform Mode: External Event Selection */ +#define AT91_TC_EEVT_TIOB (0 << 10) +#define AT91_TC_EEVT_XC0 (1 << 10) +#define AT91_TC_EEVT_XC1 (2 << 10) +#define AT91_TC_EEVT_XC2 (3 << 10) +#define AT91_TC_ENETRG (1 << 12) /* Waveform Mode: External Event Trigger Enable */ +#define AT91_TC_WAVESEL (3 << 13) /* Waveform Mode: Waveform Selection */ +#define AT91_TC_WAVESEL_UP (0 << 13) +#define AT91_TC_WAVESEL_UP_AUTO (2 << 13) +#define AT91_TC_WAVESEL_UPDOWN (1 << 13) +#define AT91_TC_WAVESEL_UPDOWN_AUTO (3 << 13) +#define AT91_TC_ACPA (3 << 16) /* Waveform Mode: RA Compare Effect on TIOA */ +#define AT91_TC_ACPA_NONE (0 << 16) +#define AT91_TC_ACPA_SET (1 << 16) +#define AT91_TC_ACPA_CLEAR (2 << 16) +#define AT91_TC_ACPA_TOGGLE (3 << 16) +#define AT91_TC_ACPC (3 << 18) /* Waveform Mode: RC Compre Effect on TIOA */ +#define AT91_TC_ACPC_NONE (0 << 18) +#define AT91_TC_ACPC_SET (1 << 18) +#define AT91_TC_ACPC_CLEAR (2 << 18) +#define AT91_TC_ACPC_TOGGLE (3 << 18) +#define AT91_TC_AEEVT (3 << 20) /* Waveform Mode: External Event Effect on TIOA */ +#define AT91_TC_AEEVT_NONE (0 << 20) +#define AT91_TC_AEEVT_SET (1 << 20) +#define AT91_TC_AEEVT_CLEAR (2 << 20) +#define AT91_TC_AEEVT_TOGGLE (3 << 20) +#define AT91_TC_ASWTRG (3 << 22) /* Waveform Mode: Software Trigger Effect on TIOA */ +#define AT91_TC_ASWTRG_NONE (0 << 22) +#define AT91_TC_ASWTRG_SET (1 << 22) +#define AT91_TC_ASWTRG_CLEAR (2 << 22) +#define AT91_TC_ASWTRG_TOGGLE (3 << 22) +#define AT91_TC_BCPB (3 << 24) /* Waveform Mode: RB Compare Effect on TIOB */ +#define AT91_TC_BCPB_NONE (0 << 24) +#define AT91_TC_BCPB_SET (1 << 24) +#define AT91_TC_BCPB_CLEAR (2 << 24) +#define AT91_TC_BCPB_TOGGLE (3 << 24) +#define AT91_TC_BCPC (3 << 26) /* Waveform Mode: RC Compare Effect on TIOB */ +#define AT91_TC_BCPC_NONE (0 << 26) +#define AT91_TC_BCPC_SET (1 << 26) +#define AT91_TC_BCPC_CLEAR (2 << 26) +#define AT91_TC_BCPC_TOGGLE (3 << 26) +#define AT91_TC_BEEVT (3 << 28) /* Waveform Mode: External Event Effect on TIOB */ +#define AT91_TC_BEEVT_NONE (0 << 28) +#define AT91_TC_BEEVT_SET (1 << 28) +#define AT91_TC_BEEVT_CLEAR (2 << 28) +#define AT91_TC_BEEVT_TOGGLE (3 << 28) +#define AT91_TC_BSWTRG (3 << 30) /* Waveform Mode: Software Trigger Effect on TIOB */ +#define AT91_TC_BSWTRG_NONE (0 << 30) +#define AT91_TC_BSWTRG_SET (1 << 30) +#define AT91_TC_BSWTRG_CLEAR (2 << 30) +#define AT91_TC_BSWTRG_TOGGLE (3 << 30) + +#define AT91_TC_CV 0x10 /* Counter Value */ +#define AT91_TC_RA 0x14 /* Register A */ +#define AT91_TC_RB 0x18 /* Register B */ +#define AT91_TC_RC 0x1c /* Register C */ + +#define AT91_TC_SR 0x20 /* Status Register */ +#define AT91_TC_COVFS (1 << 0) /* Counter Overflow Status */ +#define AT91_TC_LOVRS (1 << 1) /* Load Overrun Status */ +#define AT91_TC_CPAS (1 << 2) /* RA Compare Status */ +#define AT91_TC_CPBS (1 << 3) /* RB Compare Status */ +#define AT91_TC_CPCS (1 << 4) /* RC Compare Status */ +#define AT91_TC_LDRAS (1 << 5) /* RA Loading Status */ +#define AT91_TC_LDRBS (1 << 6) /* RB Loading Status */ +#define AT91_TC_ETRGS (1 << 7) /* External Trigger Status */ +#define AT91_TC_CLKSTA (1 << 16) /* Clock Enabling Status */ +#define AT91_TC_MTIOA (1 << 17) /* TIOA Mirror */ +#define AT91_TC_MTIOB (1 << 18) /* TIOB Mirror */ + +#define AT91_TC_IER 0x24 /* Interrupt Enable Register */ +#define AT91_TC_IDR 0x28 /* Interrupt Disable Register */ +#define AT91_TC_IMR 0x2c /* Interrupt Mask Register */ + +#endif diff --git a/arch/arm/mach-at91/include/mach/at91rm9200.h b/arch/arm/mach-at91/include/mach/at91rm9200.h new file mode 100644 index 0000000..985977f --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91rm9200.h @@ -0,0 +1,127 @@ +/* + * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91rm9200.h] + * + * Copyright (C) 2005 Ivan Kokshaysky + * Copyright (C) SAN People + * + * Common definitions. + * Based on AT91RM9200 datasheet revision E. + * + * 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. + */ + +#ifndef AT91RM9200_H +#define AT91RM9200_H + +/* + * Peripheral identifiers/interrupts. + */ +#define AT91_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */ +#define AT91_ID_SYS 1 /* System Peripheral */ +#define AT91RM9200_ID_PIOA 2 /* Parallel IO Controller A */ +#define AT91RM9200_ID_PIOB 3 /* Parallel IO Controller B */ +#define AT91RM9200_ID_PIOC 4 /* Parallel IO Controller C */ +#define AT91RM9200_ID_PIOD 5 /* Parallel IO Controller D */ +#define AT91RM9200_ID_US0 6 /* USART 0 */ +#define AT91RM9200_ID_US1 7 /* USART 1 */ +#define AT91RM9200_ID_US2 8 /* USART 2 */ +#define AT91RM9200_ID_US3 9 /* USART 3 */ +#define AT91RM9200_ID_MCI 10 /* Multimedia Card Interface */ +#define AT91RM9200_ID_UDP 11 /* USB Device Port */ +#define AT91RM9200_ID_TWI 12 /* Two-Wire Interface */ +#define AT91RM9200_ID_SPI 13 /* Serial Peripheral Interface */ +#define AT91RM9200_ID_SSC0 14 /* Serial Synchronous Controller 0 */ +#define AT91RM9200_ID_SSC1 15 /* Serial Synchronous Controller 1 */ +#define AT91RM9200_ID_SSC2 16 /* Serial Synchronous Controller 2 */ +#define AT91RM9200_ID_TC0 17 /* Timer Counter 0 */ +#define AT91RM9200_ID_TC1 18 /* Timer Counter 1 */ +#define AT91RM9200_ID_TC2 19 /* Timer Counter 2 */ +#define AT91RM9200_ID_TC3 20 /* Timer Counter 3 */ +#define AT91RM9200_ID_TC4 21 /* Timer Counter 4 */ +#define AT91RM9200_ID_TC5 22 /* Timer Counter 5 */ +#define AT91RM9200_ID_UHP 23 /* USB Host port */ +#define AT91RM9200_ID_EMAC 24 /* Ethernet MAC */ +#define AT91RM9200_ID_IRQ0 25 /* Advanced Interrupt Controller (IRQ0) */ +#define AT91RM9200_ID_IRQ1 26 /* Advanced Interrupt Controller (IRQ1) */ +#define AT91RM9200_ID_IRQ2 27 /* Advanced Interrupt Controller (IRQ2) */ +#define AT91RM9200_ID_IRQ3 28 /* Advanced Interrupt Controller (IRQ3) */ +#define AT91RM9200_ID_IRQ4 29 /* Advanced Interrupt Controller (IRQ4) */ +#define AT91RM9200_ID_IRQ5 30 /* Advanced Interrupt Controller (IRQ5) */ +#define AT91RM9200_ID_IRQ6 31 /* Advanced Interrupt Controller (IRQ6) */ + + +/* + * Peripheral physical base addresses. + */ +#define AT91RM9200_BASE_TCB0 0xfffa0000 +#define AT91RM9200_BASE_TC0 0xfffa0000 +#define AT91RM9200_BASE_TC1 0xfffa0040 +#define AT91RM9200_BASE_TC2 0xfffa0080 +#define AT91RM9200_BASE_TCB1 0xfffa4000 +#define AT91RM9200_BASE_TC3 0xfffa4000 +#define AT91RM9200_BASE_TC4 0xfffa4040 +#define AT91RM9200_BASE_TC5 0xfffa4080 +#define AT91RM9200_BASE_UDP 0xfffb0000 +#define AT91RM9200_BASE_MCI 0xfffb4000 +#define AT91RM9200_BASE_TWI 0xfffb8000 +#define AT91RM9200_BASE_EMAC 0xfffbc000 +#define AT91RM9200_BASE_US0 0xfffc0000 +#define AT91RM9200_BASE_US1 0xfffc4000 +#define AT91RM9200_BASE_US2 0xfffc8000 +#define AT91RM9200_BASE_US3 0xfffcc000 +#define AT91RM9200_BASE_SSC0 0xfffd0000 +#define AT91RM9200_BASE_SSC1 0xfffd4000 +#define AT91RM9200_BASE_SSC2 0xfffd8000 +#define AT91RM9200_BASE_SPI 0xfffe0000 +#define AT91_BASE_SYS 0xfffff000 + + +/* + * System Peripherals (offset from AT91_BASE_SYS) + */ +#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) /* Advanced Interrupt Controller */ +#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS) /* Debug Unit */ +#define AT91_PIOA (0xfffff400 - AT91_BASE_SYS) /* PIO Controller A */ +#define AT91_PIOB (0xfffff600 - AT91_BASE_SYS) /* PIO Controller B */ +#define AT91_PIOC (0xfffff800 - AT91_BASE_SYS) /* PIO Controller C */ +#define AT91_PIOD (0xfffffa00 - AT91_BASE_SYS) /* PIO Controller D */ +#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) /* Power Management Controller */ +#define AT91_ST (0xfffffd00 - AT91_BASE_SYS) /* System Timer */ +#define AT91_RTC (0xfffffe00 - AT91_BASE_SYS) /* Real-Time Clock */ +#define AT91_MC (0xffffff00 - AT91_BASE_SYS) /* Memory Controllers */ + +#define AT91_USART0 AT91RM9200_BASE_US0 +#define AT91_USART1 AT91RM9200_BASE_US1 +#define AT91_USART2 AT91RM9200_BASE_US2 +#define AT91_USART3 AT91RM9200_BASE_US3 + +#define AT91_BASE_SPI AT91RM9200_BASE_SPI +#define AT91_BASE_TWI AT91RM9200_BASE_TWI +#define AT91_ID_UHP AT91RM9200_ID_UHP +#define AT91_PMC_UHP AT91RM9200_PMC_UHP +#define AT91_TC (AT91RM9200_BASE_TC0 - AT91_BASE_SYS) + +#define AT91_MATRIX 0 /* not supported */ + +/* + * Internal Memory. + */ +#define AT91RM9200_ROM_BASE 0x00100000 /* Internal ROM base address */ +#define AT91RM9200_ROM_SIZE SZ_128K /* Internal ROM size (128Kb) */ + +#define AT91RM9200_SRAM_BASE 0x00200000 /* Internal SRAM base address */ +#define AT91RM9200_SRAM_SIZE SZ_16K /* Internal SRAM size (16Kb) */ + +#define AT91RM9200_UHP_BASE 0x00300000 /* USB Host controller */ + +#define AT91_VA_BASE_EMAC AT91RM9200_BASE_EMAC + +/* + * Cpu Name + */ +#define AT91_CPU_NAME "AT91RM9200" + +#endif diff --git a/arch/arm/mach-at91/include/mach/at91rm9200_emac.h b/arch/arm/mach-at91/include/mach/at91rm9200_emac.h new file mode 100644 index 0000000..7424452 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91rm9200_emac.h @@ -0,0 +1,138 @@ +/* + * [origin: arch/arm/mach-at91/include/mach/at91rm9200_emac.h] + * + * Copyright (C) 2005 Ivan Kokshaysky + * Copyright (C) SAN People + * + * Ethernet MAC registers. + * Based on AT91RM9200 datasheet revision E. + * + * 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. + */ + +#ifndef AT91RM9200_EMAC_H +#define AT91RM9200_EMAC_H + +#define AT91_EMAC_CTL 0x00 /* Control Register */ +#define AT91_EMAC_LB (1 << 0) /* Loopback */ +#define AT91_EMAC_LBL (1 << 1) /* Loopback Local */ +#define AT91_EMAC_RE (1 << 2) /* Receive Enable */ +#define AT91_EMAC_TE (1 << 3) /* Transmit Enable */ +#define AT91_EMAC_MPE (1 << 4) /* Management Port Enable */ +#define AT91_EMAC_CSR (1 << 5) /* Clear Statistics Registers */ +#define AT91_EMAC_INCSTAT (1 << 6) /* Increment Statistics Registers */ +#define AT91_EMAC_WES (1 << 7) /* Write Enable for Statistics Registers */ +#define AT91_EMAC_BP (1 << 8) /* Back Pressure */ + +#define AT91_EMAC_CFG 0x04 /* Configuration Register */ +#define AT91_EMAC_SPD (1 << 0) /* Speed */ +#define AT91_EMAC_FD (1 << 1) /* Full Duplex */ +#define AT91_EMAC_BR (1 << 2) /* Bit Rate */ +#define AT91_EMAC_CAF (1 << 4) /* Copy All Frames */ +#define AT91_EMAC_NBC (1 << 5) /* No Broadcast */ +#define AT91_EMAC_MTI (1 << 6) /* Multicast Hash Enable */ +#define AT91_EMAC_UNI (1 << 7) /* Unicast Hash Enable */ +#define AT91_EMAC_BIG (1 << 8) /* Receive 1522 Bytes */ +#define AT91_EMAC_EAE (1 << 9) /* External Address Match Enable */ +#define AT91_EMAC_CLK (3 << 10) /* MDC Clock Divisor */ +#define AT91_EMAC_CLK_DIV8 (0 << 10) +#define AT91_EMAC_CLK_DIV16 (1 << 10) +#define AT91_EMAC_CLK_DIV32 (2 << 10) +#define AT91_EMAC_CLK_DIV64 (3 << 10) +#define AT91_EMAC_RTY (1 << 12) /* Retry Test */ +#define AT91_EMAC_RMII (1 << 13) /* Reduce MII (RMII) */ + +#define AT91_EMAC_SR 0x08 /* Status Register */ +#define AT91_EMAC_SR_LINK (1 << 0) /* Link */ +#define AT91_EMAC_SR_MDIO (1 << 1) /* MDIO pin */ +#define AT91_EMAC_SR_IDLE (1 << 2) /* PHY idle */ + +#define AT91_EMAC_TAR 0x0c /* Transmit Address Register */ + +#define AT91_EMAC_TCR 0x10 /* Transmit Control Register */ +#define AT91_EMAC_LEN (0x7ff << 0) /* Transmit Frame Length */ +#define AT91_EMAC_NCRC (1 << 15) /* No CRC */ + +#define AT91_EMAC_TSR 0x14 /* Transmit Status Register */ +#define AT91_EMAC_TSR_OVR (1 << 0) /* Transmit Buffer Overrun */ +#define AT91_EMAC_TSR_COL (1 << 1) /* Collision Occurred */ +#define AT91_EMAC_TSR_RLE (1 << 2) /* Retry Limit Exceeded */ +#define AT91_EMAC_TSR_IDLE (1 << 3) /* Transmitter Idle */ +#define AT91_EMAC_TSR_BNQ (1 << 4) /* Transmit Buffer not Queued */ +#define AT91_EMAC_TSR_COMP (1 << 5) /* Transmit Complete */ +#define AT91_EMAC_TSR_UND (1 << 6) /* Transmit Underrun */ + +#define AT91_EMAC_RBQP 0x18 /* Receive Buffer Queue Pointer */ + +#define AT91_EMAC_RSR 0x20 /* Receive Status Register */ +#define AT91_EMAC_RSR_BNA (1 << 0) /* Buffer Not Available */ +#define AT91_EMAC_RSR_REC (1 << 1) /* Frame Received */ +#define AT91_EMAC_RSR_OVR (1 << 2) /* RX Overrun */ + +#define AT91_EMAC_ISR 0x24 /* Interrupt Status Register */ +#define AT91_EMAC_DONE (1 << 0) /* Management Done */ +#define AT91_EMAC_RCOM (1 << 1) /* Receive Complete */ +#define AT91_EMAC_RBNA (1 << 2) /* Receive Buffer Not Available */ +#define AT91_EMAC_TOVR (1 << 3) /* Transmit Buffer Overrun */ +#define AT91_EMAC_TUND (1 << 4) /* Transmit Buffer Underrun */ +#define AT91_EMAC_RTRY (1 << 5) /* Retry Limit */ +#define AT91_EMAC_TBRE (1 << 6) /* Transmit Buffer Register Empty */ +#define AT91_EMAC_TCOM (1 << 7) /* Transmit Complete */ +#define AT91_EMAC_TIDLE (1 << 8) /* Transmit Idle */ +#define AT91_EMAC_LINK (1 << 9) /* Link */ +#define AT91_EMAC_ROVR (1 << 10) /* RX Overrun */ +#define AT91_EMAC_ABT (1 << 11) /* Abort */ + +#define AT91_EMAC_IER 0x28 /* Interrupt Enable Register */ +#define AT91_EMAC_IDR 0x2c /* Interrupt Disable Register */ +#define AT91_EMAC_IMR 0x30 /* Interrupt Mask Register */ + +#define AT91_EMAC_MAN 0x34 /* PHY Maintenance Register */ +#define AT91_EMAC_DATA (0xffff << 0) /* MDIO Data */ +#define AT91_EMAC_REGA (0x1f << 18) /* MDIO Register */ +#define AT91_EMAC_PHYA (0x1f << 23) /* MDIO PHY Address */ +#define AT91_EMAC_RW (3 << 28) /* Read/Write operation */ +#define AT91_EMAC_RW_W (1 << 28) +#define AT91_EMAC_RW_R (2 << 28) +#define AT91_EMAC_MAN_802_3 0x40020000 /* IEEE 802.3 value */ + +/* + * Statistics Registers. + */ +#define AT91_EMAC_FRA 0x40 /* Frames Transmitted OK */ +#define AT91_EMAC_SCOL 0x44 /* Single Collision Frame */ +#define AT91_EMAC_MCOL 0x48 /* Multiple Collision Frame */ +#define AT91_EMAC_OK 0x4c /* Frames Received OK */ +#define AT91_EMAC_SEQE 0x50 /* Frame Check Sequence Error */ +#define AT91_EMAC_ALE 0x54 /* Alignmemt Error */ +#define AT91_EMAC_DTE 0x58 /* Deffered Transmission Frame */ +#define AT91_EMAC_LCOL 0x5c /* Late Collision */ +#define AT91_EMAC_ECOL 0x60 /* Excessive Collision */ +#define AT91_EMAC_TUE 0x64 /* Transmit Underrun Error */ +#define AT91_EMAC_CSE 0x68 /* Carrier Sense Error */ +#define AT91_EMAC_DRFC 0x6c /* Discard RX Frame */ +#define AT91_EMAC_ROV 0x70 /* Receive Overrun */ +#define AT91_EMAC_CDE 0x74 /* Code Error */ +#define AT91_EMAC_ELR 0x78 /* Excessive Length Error */ +#define AT91_EMAC_RJB 0x7c /* Receive Jabber */ +#define AT91_EMAC_USF 0x80 /* Undersize Frame */ +#define AT91_EMAC_SQEE 0x84 /* SQE Test Error */ + +/* + * Address Registers. + */ +#define AT91_EMAC_HSL 0x90 /* Hash Address Low [31:0] */ +#define AT91_EMAC_HSH 0x94 /* Hash Address High [63:32] */ +#define AT91_EMAC_SA1L 0x98 /* Specific Address 1 Low, bytes 0-3 */ +#define AT91_EMAC_SA1H 0x9c /* Specific Address 1 High, bytes 4-5 */ +#define AT91_EMAC_SA2L 0xa0 /* Specific Address 2 Low, bytes 0-3 */ +#define AT91_EMAC_SA2H 0xa4 /* Specific Address 2 High, bytes 4-5 */ +#define AT91_EMAC_SA3L 0xa8 /* Specific Address 3 Low, bytes 0-3 */ +#define AT91_EMAC_SA3H 0xac /* Specific Address 3 High, bytes 4-5 */ +#define AT91_EMAC_SA4L 0xb0 /* Specific Address 4 Low, bytes 0-3 */ +#define AT91_EMAC_SA4H 0xb4 /* Specific Address 4 High, bytes 4-5 */ + +#endif diff --git a/arch/arm/mach-at91/include/mach/at91rm9200_mc.h b/arch/arm/mach-at91/include/mach/at91rm9200_mc.h new file mode 100644 index 0000000..d34e4ed --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91rm9200_mc.h @@ -0,0 +1,160 @@ +/* + * arch/arm/mach-at91/include/mach/at91rm9200_mc.h + * + * Copyright (C) 2005 Ivan Kokshaysky + * Copyright (C) SAN People + * + * Memory Controllers (MC, EBI, SMC, SDRAMC, BFC) - System peripherals registers. + * Based on AT91RM9200 datasheet revision E. + * + * 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. + */ + +#ifndef AT91RM9200_MC_H +#define AT91RM9200_MC_H + +/* Memory Controller */ +#define AT91_MC_RCR (AT91_MC + 0x00) /* MC Remap Control Register */ +#define AT91_MC_RCB (1 << 0) /* Remap Command Bit */ + +#define AT91_MC_ASR (AT91_MC + 0x04) /* MC Abort Status Register */ +#define AT91_MC_UNADD (1 << 0) /* Undefined Address Abort Status */ +#define AT91_MC_MISADD (1 << 1) /* Misaligned Address Abort Status */ +#define AT91_MC_ABTSZ (3 << 8) /* Abort Size Status */ +#define AT91_MC_ABTSZ_BYTE (0 << 8) +#define AT91_MC_ABTSZ_HALFWORD (1 << 8) +#define AT91_MC_ABTSZ_WORD (2 << 8) +#define AT91_MC_ABTTYP (3 << 10) /* Abort Type Status */ +#define AT91_MC_ABTTYP_DATAREAD (0 << 10) +#define AT91_MC_ABTTYP_DATAWRITE (1 << 10) +#define AT91_MC_ABTTYP_FETCH (2 << 10) +#define AT91_MC_MST0 (1 << 16) /* ARM920T Abort Source */ +#define AT91_MC_MST1 (1 << 17) /* PDC Abort Source */ +#define AT91_MC_MST2 (1 << 18) /* UHP Abort Source */ +#define AT91_MC_MST3 (1 << 19) /* EMAC Abort Source */ +#define AT91_MC_SVMST0 (1 << 24) /* Saved ARM920T Abort Source */ +#define AT91_MC_SVMST1 (1 << 25) /* Saved PDC Abort Source */ +#define AT91_MC_SVMST2 (1 << 26) /* Saved UHP Abort Source */ +#define AT91_MC_SVMST3 (1 << 27) /* Saved EMAC Abort Source */ + +#define AT91_MC_AASR (AT91_MC + 0x08) /* MC Abort Address Status Register */ + +#define AT91_MC_MPR (AT91_MC + 0x0c) /* MC Master Priority Register */ +#define AT91_MPR_MSTP0 (7 << 0) /* ARM920T Priority */ +#define AT91_MPR_MSTP1 (7 << 4) /* PDC Priority */ +#define AT91_MPR_MSTP2 (7 << 8) /* UHP Priority */ +#define AT91_MPR_MSTP3 (7 << 12) /* EMAC Priority */ + +/* External Bus Interface (EBI) registers */ +#define AT91_EBI_CSA (AT91_MC + 0x60) /* Chip Select Assignment Register */ +#define AT91_EBI_CS0A (1 << 0) /* Chip Select 0 Assignment */ +#define AT91_EBI_CS0A_SMC (0 << 0) +#define AT91_EBI_CS0A_BFC (1 << 0) +#define AT91_EBI_CS1A (1 << 1) /* Chip Select 1 Assignment */ +#define AT91_EBI_CS1A_SMC (0 << 1) +#define AT91_EBI_CS1A_SDRAMC (1 << 1) +#define AT91_EBI_CS3A (1 << 3) /* Chip Select 2 Assignment */ +#define AT91_EBI_CS3A_SMC (0 << 3) +#define AT91_EBI_CS3A_SMC_SMARTMEDIA (1 << 3) +#define AT91_EBI_CS4A (1 << 4) /* Chip Select 3 Assignment */ +#define AT91_EBI_CS4A_SMC (0 << 4) +#define AT91_EBI_CS4A_SMC_COMPACTFLASH (1 << 4) +#define AT91_EBI_CFGR (AT91_MC + 0x64) /* Configuration Register */ +#define AT91_EBI_DBPUC (1 << 0) /* Data Bus Pull-Up Configuration */ + +/* Static Memory Controller (SMC) registers */ +#define AT91_SMC_CSR(n) (AT91_MC + 0x70 + ((n) * 4))/* SMC Chip Select Register */ +#define AT91_SMC_NWS (0x7f << 0) /* Number of Wait States */ +#define AT91_SMC_NWS_(x) ((x) << 0) +#define AT91_SMC_WSEN (1 << 7) /* Wait State Enable */ +#define AT91_SMC_TDF (0xf << 8) /* Data Float Time */ +#define AT91_SMC_TDF_(x) ((x) << 8) +#define AT91_SMC_BAT (1 << 12) /* Byte Access Type */ +#define AT91_SMC_DBW (3 << 13) /* Data Bus Width */ +#define AT91_SMC_DBW_16 (1 << 13) +#define AT91_SMC_DBW_8 (2 << 13) +#define AT91_SMC_DPR (1 << 15) /* Data Read Protocol */ +#define AT91_SMC_ACSS (3 << 16) /* Address to Chip Select Setup */ +#define AT91_SMC_ACSS_STD (0 << 16) +#define AT91_SMC_ACSS_1 (1 << 16) +#define AT91_SMC_ACSS_2 (2 << 16) +#define AT91_SMC_ACSS_3 (3 << 16) +#define AT91_SMC_RWSETUP (7 << 24) /* Read & Write Signal Time Setup */ +#define AT91_SMC_RWSETUP_(x) ((x) << 24) +#define AT91_SMC_RWHOLD (7 << 28) /* Read & Write Signal Hold Time */ +#define AT91_SMC_RWHOLD_(x) ((x) << 28) + +/* SDRAM Controller registers */ +#define AT91_SDRAMC_MR (AT91_MC + 0x90) /* Mode Register */ +#define AT91_SDRAMC_MODE (0xf << 0) /* Command Mode */ +#define AT91_SDRAMC_MODE_NORMAL (0 << 0) +#define AT91_SDRAMC_MODE_NOP (1 << 0) +#define AT91_SDRAMC_MODE_PRECHARGE (2 << 0) +#define AT91_SDRAMC_MODE_LMR (3 << 0) +#define AT91_SDRAMC_MODE_REFRESH (4 << 0) +#define AT91_SDRAMC_DBW (1 << 4) /* Data Bus Width */ +#define AT91_SDRAMC_DBW_32 (0 << 4) +#define AT91_SDRAMC_DBW_16 (1 << 4) + +#define AT91_SDRAMC_TR (AT91_MC + 0x94) /* Refresh Timer Register */ +#define AT91_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Count */ + +#define AT91_SDRAMC_CR (AT91_MC + 0x98) /* Configuration Register */ +#define AT91_SDRAMC_NC (3 << 0) /* Number of Column Bits */ +#define AT91_SDRAMC_NC_8 (0 << 0) +#define AT91_SDRAMC_NC_9 (1 << 0) +#define AT91_SDRAMC_NC_10 (2 << 0) +#define AT91_SDRAMC_NC_11 (3 << 0) +#define AT91_SDRAMC_NR (3 << 2) /* Number of Row Bits */ +#define AT91_SDRAMC_NR_11 (0 << 2) +#define AT91_SDRAMC_NR_12 (1 << 2) +#define AT91_SDRAMC_NR_13 (2 << 2) +#define AT91_SDRAMC_NB (1 << 4) /* Number of Banks */ +#define AT91_SDRAMC_NB_2 (0 << 4) +#define AT91_SDRAMC_NB_4 (1 << 4) +#define AT91_SDRAMC_CAS (3 << 5) /* CAS Latency */ +#define AT91_SDRAMC_CAS_2 (2 << 5) +#define AT91_SDRAMC_TWR (0xf << 7) /* Write Recovery Delay */ +#define AT91_SDRAMC_TRC (0xf << 11) /* Row Cycle Delay */ +#define AT91_SDRAMC_TRP (0xf << 15) /* Row Precharge Delay */ +#define AT91_SDRAMC_TRCD (0xf << 19) /* Row to Column Delay */ +#define AT91_SDRAMC_TRAS (0xf << 23) /* Active to Precharge Delay */ +#define AT91_SDRAMC_TXSR (0xf << 27) /* Exit Self Refresh to Active Delay */ + +#define AT91_SDRAMC_SRR (AT91_MC + 0x9c) /* Self Refresh Register */ +#define AT91_SDRAMC_LPR (AT91_MC + 0xa0) /* Low Power Register */ +#define AT91_SDRAMC_IER (AT91_MC + 0xa4) /* Interrupt Enable Register */ +#define AT91_SDRAMC_IDR (AT91_MC + 0xa8) /* Interrupt Disable Register */ +#define AT91_SDRAMC_IMR (AT91_MC + 0xac) /* Interrupt Mask Register */ +#define AT91_SDRAMC_ISR (AT91_MC + 0xb0) /* Interrupt Status Register */ + +/* Burst Flash Controller register */ +#define AT91_BFC_MR (AT91_MC + 0xc0) /* Mode Register */ +#define AT91_BFC_BFCOM (3 << 0) /* Burst Flash Controller Operating Mode */ +#define AT91_BFC_BFCOM_DISABLED (0 << 0) +#define AT91_BFC_BFCOM_ASYNC (1 << 0) +#define AT91_BFC_BFCOM_BURST (2 << 0) +#define AT91_BFC_BFCC (3 << 2) /* Burst Flash Controller Clock */ +#define AT91_BFC_BFCC_MCK (1 << 2) +#define AT91_BFC_BFCC_DIV2 (2 << 2) +#define AT91_BFC_BFCC_DIV4 (3 << 2) +#define AT91_BFC_AVL (0xf << 4) /* Address Valid Latency */ +#define AT91_BFC_PAGES (7 << 8) /* Page Size */ +#define AT91_BFC_PAGES_NO_PAGE (0 << 8) +#define AT91_BFC_PAGES_16 (1 << 8) +#define AT91_BFC_PAGES_32 (2 << 8) +#define AT91_BFC_PAGES_64 (3 << 8) +#define AT91_BFC_PAGES_128 (4 << 8) +#define AT91_BFC_PAGES_256 (5 << 8) +#define AT91_BFC_PAGES_512 (6 << 8) +#define AT91_BFC_PAGES_1024 (7 << 8) +#define AT91_BFC_OEL (3 << 12) /* Output Enable Latency */ +#define AT91_BFC_BAAEN (1 << 16) /* Burst Address Advance Enable */ +#define AT91_BFC_BFOEH (1 << 17) /* Burst Flash Output Enable Handling */ +#define AT91_BFC_MUXEN (1 << 18) /* Multiplexed Bus Enable */ +#define AT91_BFC_RDYEN (1 << 19) /* Ready Enable Mode */ + +#endif diff --git a/arch/arm/mach-at91/lowlevel_init.S b/arch/arm/mach-at91/lowlevel_init.S deleted file mode 100644 index 805b201..0000000 --- a/arch/arm/mach-at91/lowlevel_init.S +++ /dev/null @@ -1,278 +0,0 @@ -/* - * Memory Setup stuff - taken from blob memsetup.S - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and - * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) - * - * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at) - * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD - * - * 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 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., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -_TEXT_BASE: - .word TEXT_BASE - -.globl board_init_lowlevel -.type board_init_lowlevel,function -board_init_lowlevel: - - mov r5, pc /* r5 = POS1 + 4 current */ -POS1: - ldr r0, =POS1 /* r0 = POS1 compile */ - ldr r2, _TEXT_BASE - sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */ - sub r5, r5, r0 /* r0 = TEXT_BASE-1 */ - sub r5, r5, #4 /* r1 = text base - current */ - - /* memory control configuration 1 */ - ldr r0, =SMRDATA - ldr r2, =SMRDATA1 - ldr r1, _TEXT_BASE - sub r0, r0, r1 - sub r2, r2, r1 - add r0, r0, r5 - add r2, r2, r5 -0: - /* the address */ - ldr r1, [r0], #4 - /* the value */ - ldr r3, [r0], #4 - str r3, [r1] - cmp r2, r0 - bne 0b - -/* ---------------------------------------------------------------------------- - * PMC Init Step 1. - * ---------------------------------------------------------------------------- - * - Check if the PLL is already initialized - * ---------------------------------------------------------------------------- - */ - ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR) - ldr r0, [r1] - and r0, r0, #3 - cmp r0, #0 - bne PLL_setup_end - -/* --------------------------------------------------------------------------- - * - Enable the Main Oscillator - * --------------------------------------------------------------------------- - */ - ldr r1, =(AT91_BASE_SYS + AT91_CKGR_MOR) - ldr r2, =(AT91_BASE_SYS + AT91_PMC_SR) - /* Main oscillator Enable register PMC_MOR: */ - ldr r0, =CONFIG_SYS_MOR_VAL - str r0, [r1] - - /* Reading the PMC Status to detect when the Main Oscillator is enabled */ - mov r4, #AT91_PMC_MOSCS -MOSCS_Loop: - ldr r3, [r2] - and r3, r4, r3 - cmp r3, #AT91_PMC_MOSCS - bne MOSCS_Loop - -/* ---------------------------------------------------------------------------- - * PMC Init Step 2. - * ---------------------------------------------------------------------------- - * Setup PLLA - * ---------------------------------------------------------------------------- - */ - ldr r1, =(AT91_BASE_SYS + AT91_CKGR_PLLAR) - ldr r0, =CONFIG_SYS_PLLAR_VAL - str r0, [r1] - - /* Reading the PMC Status register to detect when the PLLA is locked */ - mov r4, #AT91_PMC_LOCKA -MOSCS_Loop1: - ldr r3, [r2] - and r3, r4, r3 - cmp r3, #AT91_PMC_LOCKA - bne MOSCS_Loop1 - -/* ---------------------------------------------------------------------------- - * PMC Init Step 3. - * ---------------------------------------------------------------------------- - * - Switch on the Main Oscillator - * ---------------------------------------------------------------------------- - */ - ldr r1, =(AT91_BASE_SYS + AT91_PMC_MCKR) - - /* -Master Clock Controller register PMC_MCKR */ - ldr r0, =CONFIG_SYS_MCKR1_VAL - str r0, [r1] - - /* Reading the PMC Status to detect when the Master clock is ready */ - mov r4, #AT91_PMC_MCKRDY -MCKRDY_Loop: - ldr r3, [r2] - and r3, r4, r3 - cmp r3, #AT91_PMC_MCKRDY - bne MCKRDY_Loop - - ldr r0, =CONFIG_SYS_MCKR2_VAL - str r0, [r1] - - /* Reading the PMC Status to detect when the Master clock is ready */ - mov r4, #AT91_PMC_MCKRDY -MCKRDY_Loop1: - ldr r3, [r2] - and r3, r4, r3 - cmp r3, #AT91_PMC_MCKRDY - bne MCKRDY_Loop1 - -PLL_setup_end: - -/* ---------------------------------------------------------------------------- - * - memory control configuration 2 - * ---------------------------------------------------------------------------- - */ - ldr r0, =(AT91_BASE_SYS + AT91_SDRAMC_TR) - ldr r1, [r0] - cmp r1, #0 - bne SDRAM_setup_end - - ldr r0, =SMRDATA1 - ldr r2, =SMRDATA2 - ldr r1, _TEXT_BASE - sub r0, r0, r1 - sub r2, r2, r1 - add r0, r0, r5 - add r2, r2, r5 - -2: - /* the address */ - ldr r1, [r0], #4 - /* the value */ - ldr r3, [r0], #4 - str r3, [r1] - cmp r2, r0 - bne 2b - -SDRAM_setup_end: - /* everything is fine now */ - mov pc, lr - - .ltorg - -SMRDATA: - .word (AT91_BASE_SYS + AT91_WDT_MR) - .word CONFIG_SYS_WDTC_WDMR_VAL - - /* configure PIOx as EBI0 D[16-31] */ -#if defined(CONFIG_ARCH_AT91SAM9263) - .word (AT91_BASE_SYS + AT91_PIOD + PIO_PDR) - .word CONFIG_SYS_PIOD_PDR_VAL1 - .word (AT91_BASE_SYS + AT91_PIOD + PIO_PUDR) - .word CONFIG_SYS_PIOD_PPUDR_VAL - .word (AT91_BASE_SYS + AT91_PIOD + PIO_ASR) - .word CONFIG_SYS_PIOD_PPUDR_VAL -#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9261) \ - || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91SAM9G10) - .word (AT91_BASE_SYS + AT91_PIOC + PIO_PDR) - .word CONFIG_SYS_PIOC_PDR_VAL1 - .word (AT91_BASE_SYS + AT91_PIOC + PIO_PUDR) - .word CONFIG_SYS_PIOC_PPUDR_VAL -#endif - -#if defined(AT91_MATRIX_EBI0CSA) - .word (AT91_BASE_SYS + AT91_MATRIX_EBI0CSA) - .word CONFIG_SYS_MATRIX_EBI0CSA_VAL -#else /* AT91_MATRIX_EBICSA */ - .word (AT91_BASE_SYS + AT91_MATRIX_EBICSA) - .word CONFIG_SYS_MATRIX_EBICSA_VAL -#endif - - /* flash */ - .word (AT91_BASE_SYS + AT91_SMC_MODE(0)) - .word CONFIG_SYS_SMC0_MODE0_VAL - - .word (AT91_BASE_SYS + AT91_SMC_CYCLE(0)) - .word CONFIG_SYS_SMC0_CYCLE0_VAL - - .word (AT91_BASE_SYS + AT91_SMC_PULSE(0)) - .word CONFIG_SYS_SMC0_PULSE0_VAL - - .word (AT91_BASE_SYS + AT91_SMC_SETUP(0)) - .word CONFIG_SYS_SMC0_SETUP0_VAL - -SMRDATA1: - .word (AT91_BASE_SYS + AT91_SDRAMC_MR) - .word CONFIG_SYS_SDRC_MR_VAL1 - .word (AT91_BASE_SYS + AT91_SDRAMC_TR) - .word CONFIG_SYS_SDRC_TR_VAL1 - .word (AT91_BASE_SYS + AT91_SDRAMC_CR) - .word CONFIG_SYS_SDRC_CR_VAL - .word (AT91_BASE_SYS + AT91_SDRAMC_MDR) - .word CONFIG_SYS_SDRC_MDR_VAL - .word (AT91_BASE_SYS + AT91_SDRAMC_MR) - .word CONFIG_SYS_SDRC_MR_VAL2 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL1 - .word (AT91_BASE_SYS + AT91_SDRAMC_MR) - .word CONFIG_SYS_SDRC_MR_VAL3 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL2 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL3 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL4 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL5 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL6 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL7 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL8 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL9 - .word (AT91_BASE_SYS + AT91_SDRAMC_MR) - .word CONFIG_SYS_SDRC_MR_VAL4 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL10 - .word (AT91_BASE_SYS + AT91_SDRAMC_MR) - .word CONFIG_SYS_SDRC_MR_VAL5 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL11 - .word (AT91_BASE_SYS + AT91_SDRAMC_TR) - .word CONFIG_SYS_SDRC_TR_VAL2 - .word AT91_SDRAM_BASE - .word CONFIG_SYS_SDRAM_VAL12 - /* User reset enable*/ - .word (AT91_BASE_SYS + AT91_RSTC_MR) - .word CONFIG_SYS_RSTC_RMR_VAL -#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP - /* MATRIX_MCFG - REMAP all masters */ - .word (AT91_BASE_SYS + AT91_MATRIX_MCFG0) - .word 0x1FF -#endif - -SMRDATA2: - .word 0 -- 1.7.4.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox