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Merge branch 'master' of git://git.denx.de/u-boot-atmel

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This commit is contained in:
Tom Rini
2015-03-31 19:15:59 -04:00
parent 482cbd553d b2d387bceb
commit 10697704ca
41 changed files with 673 additions and 456 deletions
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3
arch/arm/mach-at91/Kconfig
View File

@@ -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"
@@ -74,6 +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"
@@ -82,6 +84,7 @@ 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"

2
arch/arm/mach-at91/Makefile
View File

@@ -2,6 +2,8 @@ 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
obj-y += spl.o

54
arch/arm/mach-at91/arm926ejs/clock.c
View File

@@ -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)

59
arch/arm/mach-at91/arm926ejs/timer.c
View File

@@ -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.
*/

48
arch/arm/mach-at91/arm926ejs/u-boot-spl.lds Normal file
View File

@@ -0,0 +1,48 @@
/*
* Copyright (C) 2015 Atmel Corporation
* Bo Shen <voice.shen@atmel.com>
*
* 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
}

61
arch/arm/mach-at91/armv7/timer.c
View File

@@ -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.
*/

6
arch/arm/mach-at91/include/mach/at91_pmc.h
View File

@@ -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) || defined(CONFIG_AT91SAM9N12)
#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) || defined(CONFIG_AT91SAM9N12)
#define AT91_PMC_MCKR_MDIV_3 0x00000300
#endif
#define AT91_PMC_MCKR_MDIV_4 0x00000200

3
arch/arm/mach-at91/include/mach/at91sam9260.h
View File

@@ -133,6 +133,9 @@
#define ATMEL_BASE_CS6 0x70000000
#define ATMEL_BASE_CS7 0x80000000
/* Timer */
#define CONFIG_SYS_TIMER_COUNTER 0xfffffd3c
/*
* Other misc defines
*/

3
arch/arm/mach-at91/include/mach/at91sam9261.h
View File

@@ -117,6 +117,9 @@
#define ATMEL_BASE_CS6 0x70000000
#define ATMEL_BASE_CS7 0x80000000
/* Timer */
#define CONFIG_SYS_TIMER_COUNTER 0xfffffd3c
/*
* Other misc defines
*/

3
arch/arm/mach-at91/include/mach/at91sam9263.h
View File

@@ -132,6 +132,9 @@
#define ATMEL_BASE_CS6 0x70000000
#define ATMEL_BASE_CS7 0x80000000
/* Timer */
#define CONFIG_SYS_TIMER_COUNTER 0xfffffd3c
/*
* Other misc defines
*/

3
arch/arm/mach-at91/include/mach/at91sam9g45.h
View File

@@ -136,6 +136,9 @@
#define ATMEL_BASE_CS6 0x70000000
#define ATMEL_BASE_CS7 0x80000000
/* Timer */
#define CONFIG_SYS_TIMER_COUNTER 0xfffffd3c
/*
* Other misc defines
*/

3
arch/arm/mach-at91/include/mach/at91sam9rl.h
View File

@@ -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
*/

13
arch/arm/mach-at91/include/mach/at91sam9x5.h
View File

@@ -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
@@ -154,6 +164,9 @@
#define ATMEL_CPU_NAME get_cpu_name()
#endif
/* Timer */
#define CONFIG_SYS_TIMER_COUNTER 0xfffffe3c
/*
* Other misc defines
*/

3
arch/arm/mach-at91/include/mach/sama5d3.h
View File

@@ -189,6 +189,9 @@
#define PIO_SCDR_DIV 0x3fff
#define CPU_HAS_PCR
/* Timer */
#define CONFIG_SYS_TIMER_COUNTER 0xfffffe3c
/*
* PMECC table in ROM
*/

3
arch/arm/mach-at91/include/mach/sama5d4.h
View File

@@ -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
*/

3
arch/arm/mach-at91/mpddrc.c
View File

@@ -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) || defined(CONFIG_AT91SAM9N12)
if (cr & ATMEL_MPDDRC_CR_DECOD_INTERLEAVED)
return 0;
#endif

2
arch/arm/mach-at91/spl.c
View File

@@ -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;

11
arch/arm/mach-at91/spl_at91.c
View File

@@ -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;
@@ -111,9 +115,14 @@ void spl_board_init(void)
timer_init();
/* enable clocks for all PIOs */
#if defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12)
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();

10
arch/arm/mach-at91/spl_atmel.c
View File

@@ -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);
}