summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/arm926ejs
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/arm926ejs')
-rw-r--r--arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c30
-rw-r--r--arch/arm/cpu/arm926ejs/config.mk2
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/misc.c4
-rw-r--r--arch/arm/cpu/arm926ejs/davinci/spl.c2
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/clock.c3
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/mxs_init.h2
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c16
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/spl_power_init.c2
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/start.S2
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/timer.c39
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds8
-rw-r--r--arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds8
-rw-r--r--arch/arm/cpu/arm926ejs/start.S4
13 files changed, 71 insertions, 51 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
index 0448c0b13..92185460a 100644
--- a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
+++ b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
@@ -61,20 +61,20 @@ char *get_cpu_name()
if (cpu_is_at91sam9x5()) {
switch (extension_id) {
case ARCH_EXID_AT91SAM9G15:
- return CONFIG_SYS_AT91_G15_CPU_NAME;
+ return "AT91SAM9G15";
case ARCH_EXID_AT91SAM9G25:
- return CONFIG_SYS_AT91_G25_CPU_NAME;
+ return "AT91SAM9G25";
case ARCH_EXID_AT91SAM9G35:
- return CONFIG_SYS_AT91_G35_CPU_NAME;
+ return "AT91SAM9G35";
case ARCH_EXID_AT91SAM9X25:
- return CONFIG_SYS_AT91_X25_CPU_NAME;
+ return "AT91SAM9X25";
case ARCH_EXID_AT91SAM9X35:
- return CONFIG_SYS_AT91_X35_CPU_NAME;
+ return "AT91SAM9X35";
default:
- return CONFIG_SYS_AT91_UNKNOWN_CPU;
+ return "Unknown CPU type";
}
} else {
- return CONFIG_SYS_AT91_UNKNOWN_CPU;
+ return "Unknown CPU type";
}
}
@@ -246,14 +246,14 @@ void at91_macb_hw_init(void)
#ifndef CONFIG_RMII
/* Only emac0 support MII */
if (has_emac0()) {
- at91_set_b_periph(AT91_PIO_PORTB, 16, 0); /* ECRS */
- at91_set_b_periph(AT91_PIO_PORTB, 17, 0); /* ECOL */
- at91_set_b_periph(AT91_PIO_PORTB, 13, 0); /* ERX2 */
- at91_set_b_periph(AT91_PIO_PORTB, 14, 0); /* ERX3 */
- at91_set_b_periph(AT91_PIO_PORTB, 15, 0); /* ERXCK */
- at91_set_b_periph(AT91_PIO_PORTB, 11, 0); /* ETX2 */
- at91_set_b_periph(AT91_PIO_PORTB, 12, 0); /* ETX3 */
- at91_set_b_periph(AT91_PIO_PORTB, 8, 0); /* ETXER */
+ at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* ECRS */
+ at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* ECOL */
+ at91_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ERX2 */
+ at91_set_a_periph(AT91_PIO_PORTB, 14, 0); /* ERX3 */
+ at91_set_a_periph(AT91_PIO_PORTB, 15, 0); /* ERXCK */
+ at91_set_a_periph(AT91_PIO_PORTB, 11, 0); /* ETX2 */
+ at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX3 */
+ at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ETXER */
}
#endif
}
diff --git a/arch/arm/cpu/arm926ejs/config.mk b/arch/arm/cpu/arm926ejs/config.mk
index 47f24f580..6a3a1bb35 100644
--- a/arch/arm/cpu/arm926ejs/config.mk
+++ b/arch/arm/cpu/arm926ejs/config.mk
@@ -34,6 +34,6 @@ PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)
ifneq ($(CONFIG_IMX_CONFIG),)
-ALL-y += $(OBJTREE)/u-boot.imx
+ALL-y += $(obj)u-boot.imx
endif
diff --git a/arch/arm/cpu/arm926ejs/davinci/misc.c b/arch/arm/cpu/arm926ejs/davinci/misc.c
index c310c69ad..162c1e0ff 100644
--- a/arch/arm/cpu/arm926ejs/davinci/misc.c
+++ b/arch/arm/cpu/arm926ejs/davinci/misc.c
@@ -104,7 +104,7 @@ void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr)
int ret;
ret = eth_getenv_enetaddr_by_index("eth", 0, env_enetaddr);
- if (ret) {
+ if (!ret) {
/*
* There is no MAC address in the environment, so we
* initialize it from the value in the EEPROM.
@@ -115,7 +115,7 @@ void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr)
ret = !eth_setenv_enetaddr("ethaddr", rom_enetaddr);
}
if (!ret)
- printf("Failed to set mac address from EEPROM\n");
+ printf("Failed to set mac address from EEPROM: %d\n", ret);
}
#endif /* CONFIG_DRIVER_TI_EMAC */
diff --git a/arch/arm/cpu/arm926ejs/davinci/spl.c b/arch/arm/cpu/arm926ejs/davinci/spl.c
index 714fa9284..ca8a41262 100644
--- a/arch/arm/cpu/arm926ejs/davinci/spl.c
+++ b/arch/arm/cpu/arm926ejs/davinci/spl.c
@@ -64,7 +64,7 @@ void board_init_f(ulong dummy)
#endif
/* Third, we clear the BSS. */
- memset(__bss_start, 0, __bss_end__ - __bss_start);
+ memset(__bss_start, 0, __bss_end - __bss_start);
/* Finally, setup gd and move to the next step. */
gd = &gdata;
diff --git a/arch/arm/cpu/arm926ejs/mxs/clock.c b/arch/arm/cpu/arm926ejs/mxs/clock.c
index 00b9aba45..43e766334 100644
--- a/arch/arm/cpu/arm926ejs/mxs/clock.c
+++ b/arch/arm/cpu/arm926ejs/mxs/clock.c
@@ -289,7 +289,8 @@ static uint32_t mxs_get_sspclk(enum mxs_sspclock ssp)
void mxs_set_ssp_busclock(unsigned int bus, uint32_t freq)
{
struct mxs_ssp_regs *ssp_regs;
- const uint32_t sspclk = mxs_get_sspclk(bus);
+ const enum mxs_sspclock clk = mxs_ssp_clock_by_bus(bus);
+ const uint32_t sspclk = mxs_get_sspclk(clk);
uint32_t reg;
uint32_t divide, rate, tgtclk;
diff --git a/arch/arm/cpu/arm926ejs/mxs/mxs_init.h b/arch/arm/cpu/arm926ejs/mxs/mxs_init.h
index 2ddc5bc0c..084def5b1 100644
--- a/arch/arm/cpu/arm926ejs/mxs/mxs_init.h
+++ b/arch/arm/cpu/arm926ejs/mxs/mxs_init.h
@@ -30,7 +30,7 @@ void early_delay(int delay);
void mxs_power_init(void);
-#ifdef CONFIG_SPL_MX28_PSWITCH_WAIT
+#ifdef CONFIG_SPL_MXS_PSWITCH_WAIT
void mxs_power_wait_pswitch(void);
#else
static inline void mxs_power_wait_pswitch(void) { }
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
index f8392f639..fdac73cfa 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
@@ -27,6 +27,7 @@
#include <config.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
#include <linux/compiler.h>
#include "mxs_init.h"
@@ -119,6 +120,10 @@ static void initialize_dram_values(void)
writel(dram_vals[i], MXS_DRAM_BASE + (4 * i));
#ifdef CONFIG_MX23
+ /*
+ * Enable tRAS lockout in HW_DRAM_CTL08 ; it must be the last
+ * element to be set
+ */
writel((1 << 24), MXS_DRAM_BASE + (4 * 8));
#endif
}
@@ -229,7 +234,7 @@ static void mx23_mem_setup_vddmem(void)
struct mxs_power_regs *power_regs =
(struct mxs_power_regs *)MXS_POWER_BASE;
- writel((0x12 << POWER_VDDMEMCTRL_TRG_OFFSET) |
+ writel((0x10 << POWER_VDDMEMCTRL_TRG_OFFSET) |
POWER_VDDMEMCTRL_ENABLE_ILIMIT |
POWER_VDDMEMCTRL_ENABLE_LINREG |
POWER_VDDMEMCTRL_PULLDOWN_ACTIVE,
@@ -237,13 +242,20 @@ static void mx23_mem_setup_vddmem(void)
early_delay(10000);
- writel((0x12 << POWER_VDDMEMCTRL_TRG_OFFSET) |
+ writel((0x10 << POWER_VDDMEMCTRL_TRG_OFFSET) |
POWER_VDDMEMCTRL_ENABLE_LINREG,
&power_regs->hw_power_vddmemctrl);
}
static void mx23_mem_init(void)
{
+ /*
+ * Reset/ungate the EMI block. This is essential, otherwise the system
+ * suffers from memory instability. This thing is mx23 specific and is
+ * no longer present on mx28.
+ */
+ mxs_reset_block((struct mxs_register_32 *)MXS_EMI_BASE);
+
mx23_mem_setup_vddmem();
/*
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
index e9d6302b7..287c698ff 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
@@ -921,7 +921,7 @@ void mxs_power_init(void)
early_delay(1000);
}
-#ifdef CONFIG_SPL_MX28_PSWITCH_WAIT
+#ifdef CONFIG_SPL_MXS_PSWITCH_WAIT
void mxs_power_wait_pswitch(void)
{
struct mxs_power_regs *power_regs =
diff --git a/arch/arm/cpu/arm926ejs/mxs/start.S b/arch/arm/cpu/arm926ejs/mxs/start.S
index 7ccd33717..373e6d8d7 100644
--- a/arch/arm/cpu/arm926ejs/mxs/start.S
+++ b/arch/arm/cpu/arm926ejs/mxs/start.S
@@ -133,7 +133,7 @@ _bss_start_ofs:
.globl _bss_end_ofs
_bss_end_ofs:
- .word __bss_end__ - _start
+ .word __bss_end - _start
.globl _end_ofs
_end_ofs:
diff --git a/arch/arm/cpu/arm926ejs/mxs/timer.c b/arch/arm/cpu/arm926ejs/mxs/timer.c
index 373841180..2039106e4 100644
--- a/arch/arm/cpu/arm926ejs/mxs/timer.c
+++ b/arch/arm/cpu/arm926ejs/mxs/timer.c
@@ -32,7 +32,11 @@
#include <asm/arch/sys_proto.h>
/* Maximum fixed count */
-#define TIMER_LOAD_VAL 0xffffffff
+#if defined(CONFIG_MX23)
+#define TIMER_LOAD_VAL 0xffff
+#elif defined(CONFIG_MX28)
+#define TIMER_LOAD_VAL 0xffffffff
+#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -42,22 +46,22 @@ DECLARE_GLOBAL_DATA_PTR;
/*
* This driver uses 1kHz clock source.
*/
-#define MX28_INCREMENTER_HZ 1000
+#define MXS_INCREMENTER_HZ 1000
static inline unsigned long tick_to_time(unsigned long tick)
{
- return tick / (MX28_INCREMENTER_HZ / CONFIG_SYS_HZ);
+ return tick / (MXS_INCREMENTER_HZ / CONFIG_SYS_HZ);
}
static inline unsigned long time_to_tick(unsigned long time)
{
- return time * (MX28_INCREMENTER_HZ / CONFIG_SYS_HZ);
+ return time * (MXS_INCREMENTER_HZ / CONFIG_SYS_HZ);
}
/* Calculate how many ticks happen in "us" microseconds */
static inline unsigned long us_to_tick(unsigned long us)
{
- return (us * MX28_INCREMENTER_HZ) / 1000000;
+ return (us * MXS_INCREMENTER_HZ) / 1000000;
}
int timer_init(void)
@@ -69,7 +73,11 @@ int timer_init(void)
mxs_reset_block(&timrot_regs->hw_timrot_rotctrl_reg);
/* Set fixed_count to 0 */
+#if defined(CONFIG_MX23)
+ writel(0, &timrot_regs->hw_timrot_timcount0);
+#elif defined(CONFIG_MX28)
writel(0, &timrot_regs->hw_timrot_fixed_count0);
+#endif
/* Set UPDATE bit and 1Khz frequency */
writel(TIMROT_TIMCTRLn_UPDATE | TIMROT_TIMCTRLn_RELOAD |
@@ -77,7 +85,11 @@ int timer_init(void)
&timrot_regs->hw_timrot_timctrl0);
/* Set fixed_count to maximal value */
+#if defined(CONFIG_MX23)
+ writel(TIMER_LOAD_VAL - 1, &timrot_regs->hw_timrot_timcount0);
+#elif defined(CONFIG_MX28)
writel(TIMER_LOAD_VAL, &timrot_regs->hw_timrot_fixed_count0);
+#endif
return 0;
}
@@ -86,9 +98,16 @@ unsigned long long get_ticks(void)
{
struct mxs_timrot_regs *timrot_regs =
(struct mxs_timrot_regs *)MXS_TIMROT_BASE;
+ uint32_t now;
/* Current tick value */
- uint32_t now = readl(&timrot_regs->hw_timrot_running_count0);
+#if defined(CONFIG_MX23)
+ /* Upper bits are the valid ones. */
+ now = readl(&timrot_regs->hw_timrot_timcount0) >>
+ TIMROT_RUNNING_COUNTn_RUNNING_COUNT_OFFSET;
+#elif defined(CONFIG_MX28)
+ now = readl(&timrot_regs->hw_timrot_running_count0);
+#endif
if (lastdec >= now) {
/*
@@ -117,17 +136,17 @@ ulong get_timer(ulong base)
}
/* We use the HW_DIGCTL_MICROSECONDS register for sub-millisecond timer. */
-#define MX28_HW_DIGCTL_MICROSECONDS 0x8001c0c0
+#define MXS_HW_DIGCTL_MICROSECONDS 0x8001c0c0
void __udelay(unsigned long usec)
{
uint32_t old, new, incr;
uint32_t counter = 0;
- old = readl(MX28_HW_DIGCTL_MICROSECONDS);
+ old = readl(MXS_HW_DIGCTL_MICROSECONDS);
while (counter < usec) {
- new = readl(MX28_HW_DIGCTL_MICROSECONDS);
+ new = readl(MXS_HW_DIGCTL_MICROSECONDS);
/* Check if the timer wrapped. */
if (new < old) {
@@ -152,5 +171,5 @@ void __udelay(unsigned long usec)
ulong get_tbclk(void)
{
- return MX28_INCREMENTER_HZ;
+ return MXS_INCREMENTER_HZ;
}
diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds
index 6dc681a31..67b204e44 100644
--- a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds
+++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds
@@ -51,12 +51,6 @@ SECTIONS
. = ALIGN(4);
- .u_boot_list : {
- #include <u-boot.lst>
- }
-
- . = ALIGN(4);
-
.rel.dyn : {
__rel_dyn_start = .;
*(.rel*)
@@ -73,7 +67,7 @@ SECTIONS
__bss_start = .;
*(.bss*)
. = ALIGN(4);
- __bss_end__ = .;
+ __bss_end = .;
}
_end = .;
diff --git a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds
index f3bd5e736..740591759 100644
--- a/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds
+++ b/arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds
@@ -51,12 +51,6 @@ SECTIONS
. = ALIGN(4);
- .u_boot_list : {
- #include <u-boot.lst>
- }
-
- . = ALIGN(4);
-
.rel.dyn : {
__rel_dyn_start = .;
*(.rel*)
@@ -73,7 +67,7 @@ SECTIONS
__bss_start = .;
*(.bss*)
. = ALIGN(4);
- __bss_end__ = .;
+ __bss_end = .;
}
_end = .;
diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S
index 66a8b654b..f5d15828d 100644
--- a/arch/arm/cpu/arm926ejs/start.S
+++ b/arch/arm/cpu/arm926ejs/start.S
@@ -142,7 +142,7 @@ _bss_start_ofs:
.globl _bss_end_ofs
_bss_end_ofs:
- .word __bss_end__ - _start
+ .word __bss_end - _start
.globl _end_ofs
_end_ofs:
@@ -151,7 +151,7 @@ _end_ofs:
#ifdef CONFIG_NAND_U_BOOT
.globl _end
_end:
- .word __bss_end__
+ .word __bss_end
#endif
#ifdef CONFIG_USE_IRQ
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-01 09:51:21 +0000