summaryrefslogtreecommitdiff
path: root/cpu/arm926ejs
diff options
context:
space:
mode:
Diffstat (limited to 'cpu/arm926ejs')
-rw-r--r--cpu/arm926ejs/at91sam9/config.mk1
-rw-r--r--cpu/arm926ejs/at91sam9/u-boot.lds57
-rw-r--r--cpu/arm926ejs/at91sam9/usb.c8
-rw-r--r--cpu/arm926ejs/davinci/dp83848.c2
-rw-r--r--cpu/arm926ejs/davinci/ether.c99
-rw-r--r--cpu/arm926ejs/davinci/lowlevel_init.S4
-rw-r--r--cpu/arm926ejs/davinci/nand.c22
-rw-r--r--cpu/arm926ejs/interrupts.c2
-rw-r--r--cpu/arm926ejs/start.S6
9 files changed, 135 insertions, 66 deletions
diff --git a/cpu/arm926ejs/at91sam9/config.mk b/cpu/arm926ejs/at91sam9/config.mk
index ca2cae1..83040eb 100644
--- a/cpu/arm926ejs/at91sam9/config.mk
+++ b/cpu/arm926ejs/at91sam9/config.mk
@@ -1,2 +1,3 @@
PLATFORM_CPPFLAGS += -march=armv5te
PLATFORM_CPPFLAGS += $(call cc-option,-mtune=arm926ejs,)
+LDSCRIPT := $(SRCTREE)/cpu/arm926ejs/at91sam9/u-boot.lds
diff --git a/cpu/arm926ejs/at91sam9/u-boot.lds b/cpu/arm926ejs/at91sam9/u-boot.lds
new file mode 100644
index 0000000..996f401
--- /dev/null
+++ b/cpu/arm926ejs/at91sam9/u-boot.lds
@@ -0,0 +1,57 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/arm926ejs/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ . = .;
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(4);
+ __bss_start = .;
+ .bss : { *(.bss) }
+ _end = .;
+}
diff --git a/cpu/arm926ejs/at91sam9/usb.c b/cpu/arm926ejs/at91sam9/usb.c
index 441349d..2a92f73 100644
--- a/cpu/arm926ejs/at91sam9/usb.c
+++ b/cpu/arm926ejs/at91sam9/usb.c
@@ -33,7 +33,11 @@ int usb_cpu_init(void)
{
/* Enable USB host clock. */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_UHP);
+#ifdef CONFIG_AT91SAM9261
+ at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP | AT91_PMC_HCK0);
+#else
at91_sys_write(AT91_PMC_SCER, AT91_PMC_UHP);
+#endif
return 0;
}
@@ -42,7 +46,11 @@ int usb_cpu_stop(void)
{
/* Disable USB host clock. */
at91_sys_write(AT91_PMC_PCDR, 1 << AT91_ID_UHP);
+#ifdef CONFIG_AT91SAM9261
+ at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP | AT91_PMC_HCK0);
+#else
at91_sys_write(AT91_PMC_SCDR, AT91_PMC_UHP);
+#endif
return 0;
}
diff --git a/cpu/arm926ejs/davinci/dp83848.c b/cpu/arm926ejs/davinci/dp83848.c
index 5719845..2aa9ef1 100644
--- a/cpu/arm926ejs/davinci/dp83848.c
+++ b/cpu/arm926ejs/davinci/dp83848.c
@@ -125,7 +125,7 @@ int dp83848_auto_negotiate(int phy_addr)
* 10BaseTFD and HD, IEEE 802.3
*/
tmp = DP83848_NP | DP83848_TX_FDX | DP83848_TX_HDX |
- DP83848_10_FDX | DP83848_10_HDX | DP83848_AN_IEEE_802_3;
+ DP83848_10_FDX | DP83848_10_HDX | DP83848_AN_IEEE_802_3;
dm644x_eth_phy_write(phy_addr, DP83848_ANA_REG, tmp);
diff --git a/cpu/arm926ejs/davinci/ether.c b/cpu/arm926ejs/davinci/ether.c
index 766bc7d..d286ec0 100644
--- a/cpu/arm926ejs/davinci/ether.c
+++ b/cpu/arm926ejs/davinci/ether.c
@@ -489,7 +489,7 @@ static void dm644x_eth_ch_teardown(int ch)
dly--;
udelay(1);
if (dly == 0)
- break;
+ break;
}
adap_emac->TX0CP = cnt;
adap_emac->TX0HDP = 0;
@@ -504,7 +504,7 @@ static void dm644x_eth_ch_teardown(int ch)
dly--;
udelay(1);
if (dly == 0)
- break;
+ break;
}
adap_emac->RX0CP = cnt;
adap_emac->RX0HDP = 0;
@@ -535,83 +535,85 @@ static int tx_send_loop = 0;
* This function sends a single packet on the network and returns
* positive number (number of bytes transmitted) or negative for error
*/
-static int dm644x_eth_send_packet(volatile void *packet, int length)
+static int dm644x_eth_send_packet (volatile void *packet, int length)
{
int ret_status = -1;
+
tx_send_loop = 0;
/* Return error if no link */
- if (!phy.get_link_speed(active_phy_addr))
- {
- printf("WARN: emac_send_packet: No link\n");
+ if (!phy.get_link_speed (active_phy_addr)) {
+ printf ("WARN: emac_send_packet: No link\n");
return (ret_status);
}
/* Check packet size and if < EMAC_MIN_ETHERNET_PKT_SIZE, pad it up */
- if (length < EMAC_MIN_ETHERNET_PKT_SIZE)
- {
+ if (length < EMAC_MIN_ETHERNET_PKT_SIZE) {
length = EMAC_MIN_ETHERNET_PKT_SIZE;
}
/* Populate the TX descriptor */
- emac_tx_desc->next = 0;
- emac_tx_desc->buffer = (u_int8_t *)packet;
+ emac_tx_desc->next = 0;
+ emac_tx_desc->buffer = (u_int8_t *) packet;
emac_tx_desc->buff_off_len = (length & 0xffff);
emac_tx_desc->pkt_flag_len = ((length & 0xffff) |
- EMAC_CPPI_SOP_BIT |
- EMAC_CPPI_OWNERSHIP_BIT |
- EMAC_CPPI_EOP_BIT);
+ EMAC_CPPI_SOP_BIT |
+ EMAC_CPPI_OWNERSHIP_BIT |
+ EMAC_CPPI_EOP_BIT);
/* Send the packet */
- adap_emac->TX0HDP = (unsigned int)emac_tx_desc;
+ adap_emac->TX0HDP = (unsigned int) emac_tx_desc;
/* Wait for packet to complete or link down */
while (1) {
- if (!phy.get_link_speed(active_phy_addr)) {
- dm644x_eth_ch_teardown(EMAC_CH_TX);
- return (ret_status);
- }
- if (adap_emac->TXINTSTATRAW & 0x01) {
- ret_status = length;
- break;
+ if (!phy.get_link_speed (active_phy_addr)) {
+ dm644x_eth_ch_teardown (EMAC_CH_TX);
+ return (ret_status);
+ }
+ if (adap_emac->TXINTSTATRAW & 0x01) {
+ ret_status = length;
+ break;
}
- tx_send_loop++;
+ tx_send_loop++;
}
- return(ret_status);
+ return (ret_status);
}
/*
* This function handles receipt of a packet from the network
*/
-static int dm644x_eth_rcv_packet(void)
+static int dm644x_eth_rcv_packet (void)
{
- volatile emac_desc *rx_curr_desc;
- volatile emac_desc *curr_desc;
- volatile emac_desc *tail_desc;
- int status, ret = -1;
+ volatile emac_desc *rx_curr_desc;
+ volatile emac_desc *curr_desc;
+ volatile emac_desc *tail_desc;
+ int status, ret = -1;
rx_curr_desc = emac_rx_active_head;
status = rx_curr_desc->pkt_flag_len;
if ((rx_curr_desc) && ((status & EMAC_CPPI_OWNERSHIP_BIT) == 0)) {
- if (status & EMAC_CPPI_RX_ERROR_FRAME) {
- /* Error in packet - discard it and requeue desc */
- printf("WARN: emac_rcv_pkt: Error in packet\n");
+ if (status & EMAC_CPPI_RX_ERROR_FRAME) {
+ /* Error in packet - discard it and requeue desc */
+ printf ("WARN: emac_rcv_pkt: Error in packet\n");
} else {
- NetReceive(rx_curr_desc->buffer, (rx_curr_desc->buff_off_len & 0xffff));
+ NetReceive (rx_curr_desc->buffer,
+ (rx_curr_desc->buff_off_len & 0xffff));
ret = rx_curr_desc->buff_off_len & 0xffff;
- }
+ }
- /* Ack received packet descriptor */
- adap_emac->RX0CP = (unsigned int)rx_curr_desc;
- curr_desc = rx_curr_desc;
- emac_rx_active_head = (volatile emac_desc *)rx_curr_desc->next;
+ /* Ack received packet descriptor */
+ adap_emac->RX0CP = (unsigned int) rx_curr_desc;
+ curr_desc = rx_curr_desc;
+ emac_rx_active_head =
+ (volatile emac_desc *) rx_curr_desc->next;
- if (status & EMAC_CPPI_EOQ_BIT) {
- if (emac_rx_active_head) {
- adap_emac->RX0HDP = (unsigned int)emac_rx_active_head;
+ if (status & EMAC_CPPI_EOQ_BIT) {
+ if (emac_rx_active_head) {
+ adap_emac->RX0HDP =
+ (unsigned int) emac_rx_active_head;
} else {
emac_rx_queue_active = 0;
- printf("INFO:emac_rcv_packet: RX Queue not active\n");
+ printf ("INFO:emac_rcv_packet: RX Queue not active\n");
}
}
@@ -621,28 +623,29 @@ static int dm644x_eth_rcv_packet(void)
rx_curr_desc->next = 0;
if (emac_rx_active_head == 0) {
- printf("INFO: emac_rcv_pkt: active queue head = 0\n");
+ printf ("INFO: emac_rcv_pkt: active queue head = 0\n");
emac_rx_active_head = curr_desc;
emac_rx_active_tail = curr_desc;
if (emac_rx_queue_active != 0) {
- adap_emac->RX0HDP = (unsigned int)emac_rx_active_head;
- printf("INFO: emac_rcv_pkt: active queue head = 0, HDP fired\n");
+ adap_emac->RX0HDP =
+ (unsigned int) emac_rx_active_head;
+ printf ("INFO: emac_rcv_pkt: active queue head = 0, HDP fired\n");
emac_rx_queue_active = 1;
}
} else {
tail_desc = emac_rx_active_tail;
emac_rx_active_tail = curr_desc;
- tail_desc->next = (unsigned int)curr_desc;
+ tail_desc->next = (unsigned int) curr_desc;
status = tail_desc->pkt_flag_len;
if (status & EMAC_CPPI_EOQ_BIT) {
- adap_emac->RX0HDP = (unsigned int)curr_desc;
+ adap_emac->RX0HDP = (unsigned int) curr_desc;
status &= ~EMAC_CPPI_EOQ_BIT;
tail_desc->pkt_flag_len = status;
}
}
- return(ret);
+ return (ret);
}
- return(0);
+ return (0);
}
#endif /* CONFIG_CMD_NET */
diff --git a/cpu/arm926ejs/davinci/lowlevel_init.S b/cpu/arm926ejs/davinci/lowlevel_init.S
index a87c112..0a4b2cf 100644
--- a/cpu/arm926ejs/davinci/lowlevel_init.S
+++ b/cpu/arm926ejs/davinci/lowlevel_init.S
@@ -110,7 +110,7 @@ checkGemStatClkStop:
str r10, [r6]
/*------------------------------------------------------*
- * DDR2 PLL Initialization *
+ * DDR2 PLL Initialization *
*------------------------------------------------------*/
/* Select the Clock Mode Depending on the Value written in the Boot Table by the run script */
@@ -547,7 +547,7 @@ VTP1Lock:
/*
* Call board-specific lowlevel init.
- * That MUST be present and THAT returns
+ * That MUST be present and THAT returns
* back to arch calling code with "mov pc, lr."
*/
b dv_board_init
diff --git a/cpu/arm926ejs/davinci/nand.c b/cpu/arm926ejs/davinci/nand.c
index 127be9f..ffc770f 100644
--- a/cpu/arm926ejs/davinci/nand.c
+++ b/cpu/arm926ejs/davinci/nand.c
@@ -325,17 +325,17 @@ static void nand_flash_init(void)
* *
*------------------------------------------------------------------*/
acfg1 = 0
- | (0 << 31 ) /* selectStrobe */
- | (0 << 30 ) /* extWait */
- | (1 << 26 ) /* writeSetup 10 ns */
- | (3 << 20 ) /* writeStrobe 40 ns */
- | (1 << 17 ) /* writeHold 10 ns */
- | (1 << 13 ) /* readSetup 10 ns */
- | (5 << 7 ) /* readStrobe 60 ns */
- | (1 << 4 ) /* readHold 10 ns */
- | (3 << 2 ) /* turnAround ?? ns */
- | (0 << 0 ) /* asyncSize 8-bit bus */
- ;
+ | (0 << 31 ) /* selectStrobe */
+ | (0 << 30 ) /* extWait */
+ | (1 << 26 ) /* writeSetup 10 ns */
+ | (3 << 20 ) /* writeStrobe 40 ns */
+ | (1 << 17 ) /* writeHold 10 ns */
+ | (1 << 13 ) /* readSetup 10 ns */
+ | (5 << 7 ) /* readStrobe 60 ns */
+ | (1 << 4 ) /* readHold 10 ns */
+ | (3 << 2 ) /* turnAround ?? ns */
+ | (0 << 0 ) /* asyncSize 8-bit bus */
+ ;
emif_regs = (emifregs)DAVINCI_ASYNC_EMIF_CNTRL_BASE;
diff --git a/cpu/arm926ejs/interrupts.c b/cpu/arm926ejs/interrupts.c
index 1819f6b..7a41f0b 100644
--- a/cpu/arm926ejs/interrupts.c
+++ b/cpu/arm926ejs/interrupts.c
@@ -49,7 +49,7 @@ int interrupt_init (void)
{
extern void timer_init(void);
- timer_init();
+ timer_init();
return 0;
}
diff --git a/cpu/arm926ejs/start.S b/cpu/arm926ejs/start.S
index 297efe0..a61fa18 100644
--- a/cpu/arm926ejs/start.S
+++ b/cpu/arm926ejs/start.S
@@ -175,7 +175,7 @@ stack_setup:
clear_bss:
ldr r0, _bss_start /* find start of bss segment */
ldr r1, _bss_end /* stop here */
- mov r2, #0x00000000 /* clear */
+ mov r2, #0x00000000 /* clear */
clbss_l:str r2, [r0] /* clear loop... */
add r0, r0, #4
@@ -370,7 +370,7 @@ not_used:
irq:
get_irq_stack
irq_save_user_regs
- bl do_irq
+ bl do_irq
irq_restore_user_regs
.align 5
@@ -378,7 +378,7 @@ fiq:
get_fiq_stack
/* someone ought to write a more effiction fiq_save_user_regs */
irq_save_user_regs
- bl do_fiq
+ bl do_fiq
irq_restore_user_regs
#else
generated by cgit v1.1 at 2024-12-22 21:40:52 +0000