From a02c8a31bd34d0f771503783c7e4221e37ebd6d6 Mon Sep 17 00:00:00 2001 From: Bo Shen Date: Wed, 4 Feb 2015 15:53:01 +0800 Subject: ARM: atmel: arm9: switch to use common timer functions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Bo Shen [rebase on current master] Signed-off-by: Andreas Bießmann --- arch/arm/mach-at91/arm926ejs/timer.c | 59 --------------------------- arch/arm/mach-at91/include/mach/at91sam9260.h | 3 ++ arch/arm/mach-at91/include/mach/at91sam9261.h | 3 ++ arch/arm/mach-at91/include/mach/at91sam9263.h | 3 ++ arch/arm/mach-at91/include/mach/at91sam9g45.h | 3 ++ arch/arm/mach-at91/include/mach/at91sam9rl.h | 3 ++ arch/arm/mach-at91/include/mach/at91sam9x5.h | 3 ++ 7 files changed, 18 insertions(+), 59 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-at91/arm926ejs/timer.c b/arch/arm/mach-at91/arm926ejs/timer.c index b0b7fb93fb..31ce646260 100644 --- a/arch/arm/mach-at91/arm926ejs/timer.c +++ b/arch/arm/mach-at91/arm926ejs/timer.c @@ -33,22 +33,6 @@ DECLARE_GLOBAL_DATA_PTR; #define TIMER_LOAD_VAL 0xfffff -static inline unsigned long long tick_to_time(unsigned long long tick) -{ - tick *= CONFIG_SYS_HZ; - do_div(tick, gd->arch.timer_rate_hz); - - return tick; -} - -static inline unsigned long long usec_to_tick(unsigned long long usec) -{ - usec *= gd->arch.timer_rate_hz; - do_div(usec, 1000000); - - return usec; -} - /* * Use the PITC in full 32 bit incrementing mode */ @@ -64,53 +48,10 @@ int timer_init(void) writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr); gd->arch.timer_rate_hz = gd->arch.mck_rate_hz / 16; - gd->arch.tbu = gd->arch.tbl = 0; return 0; } -/* - * Get the current 64 bit timer tick count - */ -unsigned long long get_ticks(void) -{ - at91_pit_t *pit = (at91_pit_t *) ATMEL_BASE_PIT; - - ulong now = readl(&pit->piir); - - /* increment tbu if tbl has rolled over */ - if (now < gd->arch.tbl) - gd->arch.tbu++; - gd->arch.tbl = now; - return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl; -} - -void __udelay(unsigned long usec) -{ - unsigned long long start; - ulong tmo; - - start = get_ticks(); /* get current timestamp */ - tmo = usec_to_tick(usec); /* convert usecs to ticks */ - while ((get_ticks() - start) < tmo) - ; /* loop till time has passed */ -} - -/* - * get_timer(base) can be used to check for timeouts or - * to measure elasped time relative to an event: - * - * ulong start_time = get_timer(0) sets start_time to the current - * time value. - * get_timer(start_time) returns the time elapsed since then. - * - * The time is used in CONFIG_SYS_HZ units! - */ -ulong get_timer(ulong base) -{ - return tick_to_time(get_ticks()) - base; -} - /* * Return the number of timer ticks per second. */ diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h index 8950d67409..1a4e84b050 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9260.h +++ b/arch/arm/mach-at91/include/mach/at91sam9260.h @@ -133,6 +133,9 @@ #define ATMEL_BASE_CS6 0x70000000 #define ATMEL_BASE_CS7 0x80000000 +/* Timer */ +#define CONFIG_SYS_TIMER_COUNTER 0xfffffd3c + /* * Other misc defines */ diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h index 6dfcf4c0c8..914a3b0460 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9261.h +++ b/arch/arm/mach-at91/include/mach/at91sam9261.h @@ -117,6 +117,9 @@ #define ATMEL_BASE_CS6 0x70000000 #define ATMEL_BASE_CS7 0x80000000 +/* Timer */ +#define CONFIG_SYS_TIMER_COUNTER 0xfffffd3c + /* * Other misc defines */ diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h index 64a3888e22..71675abf82 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9263.h +++ b/arch/arm/mach-at91/include/mach/at91sam9263.h @@ -132,6 +132,9 @@ #define ATMEL_BASE_CS6 0x70000000 #define ATMEL_BASE_CS7 0x80000000 +/* Timer */ +#define CONFIG_SYS_TIMER_COUNTER 0xfffffd3c + /* * Other misc defines */ diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h index 6df8cdb56d..cf1c73f3d9 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9g45.h +++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h @@ -136,6 +136,9 @@ #define ATMEL_BASE_CS6 0x70000000 #define ATMEL_BASE_CS7 0x80000000 +/* Timer */ +#define CONFIG_SYS_TIMER_COUNTER 0xfffffd3c + /* * Other misc defines */ diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h index 3a8e6d62ce..70bbf4edaa 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9rl.h +++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h @@ -116,6 +116,9 @@ #define ATMEL_BASE_CS4 0x50000000 /* Compact Flash Slot 0 */ #define ATMEL_BASE_CS5 0x60000000 /* Compact Flash Slot 1 */ +/* Timer */ +#define CONFIG_SYS_TIMER_COUNTER 0xfffffd3c + /* * Other misc defines */ diff --git a/arch/arm/mach-at91/include/mach/at91sam9x5.h b/arch/arm/mach-at91/include/mach/at91sam9x5.h index 36a5cdf476..7e7b5312cf 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9x5.h +++ b/arch/arm/mach-at91/include/mach/at91sam9x5.h @@ -154,6 +154,9 @@ #define ATMEL_CPU_NAME get_cpu_name() #endif +/* Timer */ +#define CONFIG_SYS_TIMER_COUNTER 0xfffffe3c + /* * Other misc defines */ -- cgit v1.2.1 From a2df3a37d78583f40e2d2053e5cf0ff689ac4aa4 Mon Sep 17 00:00:00 2001 From: Bo Shen Date: Wed, 4 Feb 2015 15:53:02 +0800 Subject: ARM: atmel: armv7: switch to use common timer functions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The commit 8dfafdd (Introduce common timer functions), add common timer functions, we can use them directly. Signed-off-by: Bo Shen [rebase on current master] Sigend-off-by: Andreas Bießmann --- arch/arm/mach-at91/armv7/timer.c | 61 ------------------------------- arch/arm/mach-at91/include/mach/sama5d3.h | 3 ++ arch/arm/mach-at91/include/mach/sama5d4.h | 3 ++ 3 files changed, 6 insertions(+), 61 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-at91/armv7/timer.c b/arch/arm/mach-at91/armv7/timer.c index 19bf80ba7e..a4a3817aa6 100644 --- a/arch/arm/mach-at91/armv7/timer.c +++ b/arch/arm/mach-at91/armv7/timer.c @@ -36,22 +36,6 @@ DECLARE_GLOBAL_DATA_PTR; #define TIMER_LOAD_VAL 0xfffff -static inline unsigned long long tick_to_time(unsigned long long tick) -{ - tick *= CONFIG_SYS_HZ; - do_div(tick, gd->arch.timer_rate_hz); - - return tick; -} - -static inline unsigned long long usec_to_tick(unsigned long long usec) -{ - usec *= gd->arch.timer_rate_hz; - do_div(usec, 1000000); - - return usec; -} - /* * Use the PITC in full 32 bit incrementing mode */ @@ -67,54 +51,9 @@ int timer_init(void) gd->arch.timer_rate_hz = get_pit_clk_rate() / 16; - gd->arch.tbu = 0; - gd->arch.tbl = 0; - return 0; } -/* - * Get the current 64 bit timer tick count - */ -unsigned long long get_ticks(void) -{ - at91_pit_t *pit = (at91_pit_t *)ATMEL_BASE_PIT; - - ulong now = readl(&pit->piir); - - /* increment tbu if tbl has rolled over */ - if (now < gd->arch.tbl) - gd->arch.tbu++; - gd->arch.tbl = now; - return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl; -} - -void __udelay(unsigned long usec) -{ - unsigned long long start; - ulong tmo; - - start = get_ticks(); /* get current timestamp */ - tmo = usec_to_tick(usec); /* convert usecs to ticks */ - while ((get_ticks() - start) < tmo) - ; /* loop till time has passed */ -} - -/* - * get_timer(base) can be used to check for timeouts or - * to measure elasped time relative to an event: - * - * ulong start_time = get_timer(0) sets start_time to the current - * time value. - * get_timer(start_time) returns the time elapsed since then. - * - * The time is used in CONFIG_SYS_HZ units! - */ -ulong get_timer(ulong base) -{ - return tick_to_time(get_ticks()) - base; -} - /* * Return the number of timer ticks per second. */ diff --git a/arch/arm/mach-at91/include/mach/sama5d3.h b/arch/arm/mach-at91/include/mach/sama5d3.h index 227ba80825..b749cb3359 100644 --- a/arch/arm/mach-at91/include/mach/sama5d3.h +++ b/arch/arm/mach-at91/include/mach/sama5d3.h @@ -189,6 +189,9 @@ #define PIO_SCDR_DIV 0x3fff #define CPU_HAS_PCR +/* Timer */ +#define CONFIG_SYS_TIMER_COUNTER 0xfffffe3c + /* * PMECC table in ROM */ diff --git a/arch/arm/mach-at91/include/mach/sama5d4.h b/arch/arm/mach-at91/include/mach/sama5d4.h index f30cb5fed1..7773ace439 100644 --- a/arch/arm/mach-at91/include/mach/sama5d4.h +++ b/arch/arm/mach-at91/include/mach/sama5d4.h @@ -193,6 +193,9 @@ #define cpu_is_sama5d44() (cpu_is_sama5d4() && \ (get_extension_chip_id() == ARCH_EXID_SAMA5D44)) +/* Timer */ +#define CONFIG_SYS_TIMER_COUNTER 0xfc06863c + /* * No PMECC Galois table in ROM */ -- cgit v1.2.1 From e755d54392554b82ce140cb96bca81ac52f69f43 Mon Sep 17 00:00:00 2001 From: Tom Rini Date: Tue, 10 Feb 2015 19:07:22 -0500 Subject: spl_atmel.c: Switch s_init to board_init_f MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To facilitate changing lowlevel_init to become s_init, move the current contents of s_init into board_init_f and add the rest of what board_init_f does here. In order to compile clean without CONFIG_SKIP_LOWLEVEL_INIT set, leave an empty stub of s_init(). It can be removed when lowlevel_init becomes s_init. Cc: Bo Shen Cc: Andreas Bießmann Tested-by: Matt Porter on sama5d3_xplained Signed-off-by: Tom Rini [rebased on current master, leave s_init() as empty stub] Signed-off-by: Andreas Bießmann --- arch/arm/mach-at91/spl_atmel.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'arch') diff --git a/arch/arm/mach-at91/spl_atmel.c b/arch/arm/mach-at91/spl_atmel.c index 9cc1111234..8ac53353e6 100644 --- a/arch/arm/mach-at91/spl_atmel.c +++ b/arch/arm/mach-at91/spl_atmel.c @@ -70,7 +70,12 @@ __weak void redirect_int_from_saic_to_aic(void) /* This only be used for sama5d4 soc now */ } +/* empty stub to satisfy current lowlevel_init, can be removed any time */ void s_init(void) +{ +} + +void board_init_f(ulong dummy) { switch_to_main_crystal_osc(); @@ -93,4 +98,9 @@ void s_init(void) preloader_console_init(); mem_init(); + + /* Clear the BSS. */ + memset(__bss_start, 0, __bss_end - __bss_start); + + board_init_r(NULL, 0); } -- cgit v1.2.1 From 72cb3b6b54e99959f84456e448aa3db9f776f8a5 Mon Sep 17 00:00:00 2001 From: Bo Shen Date: Fri, 27 Mar 2015 14:23:33 +0800 Subject: ARM: atmel: arm926ejs: fix clock configuration Config MCKR according to the datasheet sequence, or else it will cause the MCKR configuration failed. Remove timeout checking for clock configuration, if configure the clock failed, let the system hang while not run in wrong clock configuration. Signed-off-by: Bo Shen Tested-by: Heiko Schocher --- arch/arm/mach-at91/arm926ejs/clock.c | 54 +++++++++++++++++++----------------- 1 file changed, 28 insertions(+), 26 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-at91/arm926ejs/clock.c b/arch/arm/mach-at91/arm926ejs/clock.c index f363982d03..8d6934e324 100644 --- a/arch/arm/mach-at91/arm926ejs/clock.c +++ b/arch/arm/mach-at91/arm926ejs/clock.c @@ -195,50 +195,52 @@ int at91_clock_init(unsigned long main_clock) void at91_plla_init(u32 pllar) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - int timeout = AT91_PLL_LOCK_TIMEOUT; writel(pllar, &pmc->pllar); - while (!(readl(&pmc->sr) & (AT91_PMC_LOCKA | AT91_PMC_MCKRDY))) { - timeout--; - if (timeout == 0) - break; - } + while (!(readl(&pmc->sr) & AT91_PMC_LOCKA)) + ; } void at91_pllb_init(u32 pllbr) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - int timeout = AT91_PLL_LOCK_TIMEOUT; writel(pllbr, &pmc->pllbr); - while (!(readl(&pmc->sr) & (AT91_PMC_LOCKB | AT91_PMC_MCKRDY))) { - timeout--; - if (timeout == 0) - break; - } + while (!(readl(&pmc->sr) & AT91_PMC_LOCKB)) + ; } void at91_mck_init(u32 mckr) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - int timeout = AT91_PLL_LOCK_TIMEOUT; u32 tmp; tmp = readl(&pmc->mckr); - tmp &= ~(AT91_PMC_MCKR_PRES_MASK | - AT91_PMC_MCKR_MDIV_MASK | - AT91_PMC_MCKR_PLLADIV_MASK | - AT91_PMC_MCKR_CSS_MASK); - tmp |= mckr & (AT91_PMC_MCKR_PRES_MASK | - AT91_PMC_MCKR_MDIV_MASK | - AT91_PMC_MCKR_PLLADIV_MASK | - AT91_PMC_MCKR_CSS_MASK); + tmp &= ~AT91_PMC_MCKR_PRES_MASK; + tmp |= mckr & AT91_PMC_MCKR_PRES_MASK; writel(tmp, &pmc->mckr); + while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) + ; - while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) { - timeout--; - if (timeout == 0) - break; - } + tmp = readl(&pmc->mckr); + tmp &= ~AT91_PMC_MCKR_MDIV_MASK; + tmp |= mckr & AT91_PMC_MCKR_MDIV_MASK; + writel(tmp, &pmc->mckr); + while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) + ; + + tmp = readl(&pmc->mckr); + tmp &= ~AT91_PMC_MCKR_PLLADIV_MASK; + tmp |= mckr & AT91_PMC_MCKR_PLLADIV_MASK; + writel(tmp, &pmc->mckr); + while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) + ; + + tmp = readl(&pmc->mckr); + tmp &= ~AT91_PMC_MCKR_CSS_MASK; + tmp |= mckr & AT91_PMC_MCKR_CSS_MASK; + writel(tmp, &pmc->mckr); + while (!(readl(&pmc->sr) & AT91_PMC_MCKRDY)) + ; } void at91_periph_clk_enable(int id) -- cgit v1.2.1 From 41d41a93fb5600b0cbfdbfae88b0d8403bd650b7 Mon Sep 17 00:00:00 2001 From: Bo Shen Date: Fri, 27 Mar 2015 14:23:34 +0800 Subject: ARM: atmel: at91sam9m10g45ek: enable spl support Supports boot up from NAND flash with software ECC eanbled. And supports boot up from SD/MMC card with FAT file system. As the boot from SD/MMC card with FAT file system, the BSS segment is too big to fit into SRAM, so, use the lds to put it into SDRAM. Signed-off-by: Bo Shen --- arch/arm/mach-at91/Kconfig | 1 + arch/arm/mach-at91/arm926ejs/u-boot-spl.lds | 48 +++++++++++++++++++++++++++++ arch/arm/mach-at91/spl_at91.c | 6 +++- 3 files changed, 54 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-at91/arm926ejs/u-boot-spl.lds (limited to 'arch') diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 30945c101b..25da9262c5 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -66,6 +66,7 @@ config TARGET_STAMP9G20 config TARGET_AT91SAM9M10G45EK bool "Atmel AT91SAM9M10G45-EK board" select CPU_ARM926EJS + select SUPPORT_SPL config TARGET_PM9G45 bool "Ronetix pm9g45 board" diff --git a/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds b/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds new file mode 100644 index 0000000000..acadd1d4c4 --- /dev/null +++ b/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2015 Atmel Corporation + * Bo Shen + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE, \ + LENGTH = CONFIG_SPL_MAX_SIZE } +MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ + LENGTH = CONFIG_SPL_BSS_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + .text : + { + __start = .; + *(.vectors) + arch/arm/cpu/arm926ejs/start.o (.text*) + *(.text*) + } >.sram + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram + + . = ALIGN(4); + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram + + . = ALIGN(4); + __image_copy_end = .; + + .end : + { + *(.__end) + } >.sram + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end = .; + } >.sdram +} diff --git a/arch/arm/mach-at91/spl_at91.c b/arch/arm/mach-at91/spl_at91.c index 89f588be45..af6fc0d4c6 100644 --- a/arch/arm/mach-at91/spl_at91.c +++ b/arch/arm/mach-at91/spl_at91.c @@ -71,7 +71,11 @@ void __weak at91_spl_board_init(void) { } -void spl_board_init(void) +void __weak spl_board_init(void) +{ +} + +void board_init_f(ulong dummy) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; -- cgit v1.2.1 From d85e8914b379eb3c4d66be241fee29da50166aa2 Mon Sep 17 00:00:00 2001 From: Bo Shen Date: Fri, 27 Mar 2015 14:23:35 +0800 Subject: ARM: atmel: at91sam9x5ek: enable spl support Enable SPL support for at91sam9x5ek board. Now, it supports boot up from NAND flash and SPI flash. Signed-off-by: Bo Shen --- arch/arm/mach-at91/Kconfig | 1 + arch/arm/mach-at91/Makefile | 1 + arch/arm/mach-at91/include/mach/at91_pmc.h | 6 ++++-- arch/arm/mach-at91/include/mach/at91sam9x5.h | 10 ++++++++++ arch/arm/mach-at91/mpddrc.c | 3 ++- arch/arm/mach-at91/spl.c | 2 +- arch/arm/mach-at91/spl_at91.c | 5 +++++ 7 files changed, 24 insertions(+), 4 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 25da9262c5..bdf87f9605 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -83,6 +83,7 @@ config TARGET_AT91SAM9RLEK config TARGET_AT91SAM9X5EK bool "Atmel AT91SAM9X5-EK board" select CPU_ARM926EJS + select SUPPORT_SPL config TARGET_SAMA5D3_XPLAINED bool "SAMA5D3 Xplained board" diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index e596ba6ce8..ba83616d57 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -2,6 +2,7 @@ obj-$(CONFIG_AT91_WANTS_COMMON_PHY) += phy.o ifneq ($(CONFIG_SPL_BUILD),) obj-$(CONFIG_AT91SAM9G20) += sdram.o spl_at91.o obj-$(CONFIG_AT91SAM9M10G45) += mpddrc.o spl_at91.o +obj-$(CONFIG_AT91SAM9X5) += mpddrc.o spl_at91.o obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o obj-y += spl.o diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h index 65691aba01..c903260bf9 100644 --- a/arch/arm/mach-at91/include/mach/at91_pmc.h +++ b/arch/arm/mach-at91/include/mach/at91_pmc.h @@ -97,7 +97,8 @@ typedef struct at91_pmc { #define AT91_PMC_MCKR_CSS_PLLB 0x00000003 #define AT91_PMC_MCKR_CSS_MASK 0x00000003 -#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) +#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \ + defined(CONFIG_AT91SAM9X5) #define AT91_PMC_MCKR_PRES_1 0x00000000 #define AT91_PMC_MCKR_PRES_2 0x00000010 #define AT91_PMC_MCKR_PRES_4 0x00000020 @@ -126,7 +127,8 @@ typedef struct at91_pmc { #else #define AT91_PMC_MCKR_MDIV_1 0x00000000 #define AT91_PMC_MCKR_MDIV_2 0x00000100 -#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) +#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \ + defined(CONFIG_AT91SAM9X5) #define AT91_PMC_MCKR_MDIV_3 0x00000300 #endif #define AT91_PMC_MCKR_MDIV_4 0x00000200 diff --git a/arch/arm/mach-at91/include/mach/at91sam9x5.h b/arch/arm/mach-at91/include/mach/at91sam9x5.h index 7e7b5312cf..8100ebed4b 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9x5.h +++ b/arch/arm/mach-at91/include/mach/at91sam9x5.h @@ -124,6 +124,16 @@ #define ATMEL_BASE_EHCI 0x00700000 /* USB Host controller (EHCI) */ #endif +/* + * External memory + */ +#define ATMEL_BASE_CS0 0x10000000 +#define ATMEL_BASE_CS1 0x20000000 +#define ATMEL_BASE_CS2 0x30000000 +#define ATMEL_BASE_CS3 0x40000000 +#define ATMEL_BASE_CS4 0x50000000 +#define ATMEL_BASE_CS5 0x60000000 + /* 9x5 series chip id definitions */ #define ARCH_ID_AT91SAM9X5 0x819a05a0 #define ARCH_ID_VERSION_MASK 0x1f diff --git a/arch/arm/mach-at91/mpddrc.c b/arch/arm/mach-at91/mpddrc.c index beec13db8c..24d5fcde02 100644 --- a/arch/arm/mach-at91/mpddrc.c +++ b/arch/arm/mach-at91/mpddrc.c @@ -19,7 +19,8 @@ static inline void atmel_mpddr_op(int mode, u32 ram_address) static int ddr2_decodtype_is_seq(u32 cr) { -#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) +#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \ + defined(CONFIG_AT91SAM9X5) if (cr & ATMEL_MPDDRC_CR_DECOD_INTERLEAVED) return 0; #endif diff --git a/arch/arm/mach-at91/spl.c b/arch/arm/mach-at91/spl.c index aaa5eec2e6..27a405a42b 100644 --- a/arch/arm/mach-at91/spl.c +++ b/arch/arm/mach-at91/spl.c @@ -29,7 +29,7 @@ u32 spl_boot_device(void) return BOOT_DEVICE_MMC1; #elif CONFIG_SYS_USE_NANDFLASH return BOOT_DEVICE_NAND; -#elif CONFIG_SYS_USE_SERIALFLASH +#elif CONFIG_SYS_USE_SERIALFLASH || CONFIG_SYS_USE_SPIFLASH return BOOT_DEVICE_SPI; #endif return BOOT_DEVICE_NONE; diff --git a/arch/arm/mach-at91/spl_at91.c b/arch/arm/mach-at91/spl_at91.c index af6fc0d4c6..e28e568d9d 100644 --- a/arch/arm/mach-at91/spl_at91.c +++ b/arch/arm/mach-at91/spl_at91.c @@ -115,9 +115,14 @@ void board_init_f(ulong dummy) timer_init(); /* enable clocks for all PIOs */ +#ifdef CONFIG_AT91SAM9X5 + at91_periph_clk_enable(ATMEL_ID_PIOAB); + at91_periph_clk_enable(ATMEL_ID_PIOCD); +#else at91_periph_clk_enable(ATMEL_ID_PIOA); at91_periph_clk_enable(ATMEL_ID_PIOB); at91_periph_clk_enable(ATMEL_ID_PIOC); +#endif /* init console */ at91_seriald_hw_init(); preloader_console_init(); -- cgit v1.2.1 From ff255e836a3a6cd52bd51a192af96ac5f224dc22 Mon Sep 17 00:00:00 2001 From: Bo Shen Date: Fri, 27 Mar 2015 14:23:36 +0800 Subject: ARM: atmel: at91sam9n12ek: enable spl support Enable SPL support for at91sam9n12ek boards, now it supports boot up from NAND flash, serial flash. Signed-off-by: Bo Shen --- arch/arm/mach-at91/Kconfig | 1 + arch/arm/mach-at91/Makefile | 1 + arch/arm/mach-at91/include/mach/at91_pmc.h | 4 ++-- arch/arm/mach-at91/mpddrc.c | 2 +- arch/arm/mach-at91/spl_at91.c | 2 +- 5 files changed, 6 insertions(+), 4 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index bdf87f9605..30c4e17ec9 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -75,6 +75,7 @@ config TARGET_PM9G45 config TARGET_AT91SAM9N12EK bool "Atmel AT91SAM9N12-EK board" select CPU_ARM926EJS + select SUPPORT_SPL config TARGET_AT91SAM9RLEK bool "Atmel at91sam9rl reference board" diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index ba83616d57..0d3ee48493 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -2,6 +2,7 @@ obj-$(CONFIG_AT91_WANTS_COMMON_PHY) += phy.o ifneq ($(CONFIG_SPL_BUILD),) obj-$(CONFIG_AT91SAM9G20) += sdram.o spl_at91.o obj-$(CONFIG_AT91SAM9M10G45) += mpddrc.o spl_at91.o +obj-$(CONFIG_AT91SAM9N12) += mpddrc.o spl_at91.o obj-$(CONFIG_AT91SAM9X5) += mpddrc.o spl_at91.o obj-$(CONFIG_SAMA5D3) += mpddrc.o spl_atmel.o obj-$(CONFIG_SAMA5D4) += mpddrc.o spl_atmel.o diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h index c903260bf9..ebb7decd22 100644 --- a/arch/arm/mach-at91/include/mach/at91_pmc.h +++ b/arch/arm/mach-at91/include/mach/at91_pmc.h @@ -98,7 +98,7 @@ typedef struct at91_pmc { #define AT91_PMC_MCKR_CSS_MASK 0x00000003 #if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \ - defined(CONFIG_AT91SAM9X5) + defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12) #define AT91_PMC_MCKR_PRES_1 0x00000000 #define AT91_PMC_MCKR_PRES_2 0x00000010 #define AT91_PMC_MCKR_PRES_4 0x00000020 @@ -128,7 +128,7 @@ typedef struct at91_pmc { #define AT91_PMC_MCKR_MDIV_1 0x00000000 #define AT91_PMC_MCKR_MDIV_2 0x00000100 #if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \ - defined(CONFIG_AT91SAM9X5) + defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12) #define AT91_PMC_MCKR_MDIV_3 0x00000300 #endif #define AT91_PMC_MCKR_MDIV_4 0x00000200 diff --git a/arch/arm/mach-at91/mpddrc.c b/arch/arm/mach-at91/mpddrc.c index 24d5fcde02..e2b6a49eb9 100644 --- a/arch/arm/mach-at91/mpddrc.c +++ b/arch/arm/mach-at91/mpddrc.c @@ -20,7 +20,7 @@ static inline void atmel_mpddr_op(int mode, u32 ram_address) static int ddr2_decodtype_is_seq(u32 cr) { #if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \ - defined(CONFIG_AT91SAM9X5) + defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12) if (cr & ATMEL_MPDDRC_CR_DECOD_INTERLEAVED) return 0; #endif diff --git a/arch/arm/mach-at91/spl_at91.c b/arch/arm/mach-at91/spl_at91.c index e28e568d9d..a79a9dce75 100644 --- a/arch/arm/mach-at91/spl_at91.c +++ b/arch/arm/mach-at91/spl_at91.c @@ -115,7 +115,7 @@ void board_init_f(ulong dummy) timer_init(); /* enable clocks for all PIOs */ -#ifdef CONFIG_AT91SAM9X5 +#if defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12) at91_periph_clk_enable(ATMEL_ID_PIOAB); at91_periph_clk_enable(ATMEL_ID_PIOCD); #else -- cgit v1.2.1