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-rw-r--r--cpu/mcf52x2/cpu_init.c86
-rw-r--r--cpu/mcf52x2/start.S176
2 files changed, 59 insertions, 203 deletions
diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c
index 7cea6558fdd..170bbfc356c 100644
--- a/cpu/mcf52x2/cpu_init.c
+++ b/cpu/mcf52x2/cpu_init.c
@@ -5,6 +5,8 @@
* MCF5282 additionals
* (C) Copyright 2005
* BuS Elektronik GmbH & Co. KG <esw@bus-elektronik.de>
+ * (c) Copyright 2010
+ * Arcturus Networks Inc. <www.arcturusnetworks.com>
*
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
@@ -133,36 +135,36 @@ int cpu_init_r(void)
return (0);
}
-void uart_port_conf(void)
+void uart_port_conf(int port)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Setup Ports: */
- switch (CONFIG_SYS_UART_PORT) {
+ switch (port) {
case 0:
- gpio->par_uart &= GPIO_PAR_UART0_MASK;
+ gpio->par_uart &= GPIO_PAR_UART0_UNMASK;
gpio->par_uart |= (GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD);
break;
case 1:
- gpio->par_uart &= GPIO_PAR_UART0_MASK;
+ gpio->par_uart &= GPIO_PAR_UART0_UNMASK;
gpio->par_uart |= (GPIO_PAR_UART_U1TXD | GPIO_PAR_UART_U1RXD);
break;
case 2:
#ifdef CONFIG_SYS_UART2_PRI_GPIO
gpio->par_timer &=
- (GPIO_PAR_TMR_TIN0_MASK | GPIO_PAR_TMR_TIN1_MASK);
+ (GPIO_PAR_TMR_TIN0_UNMASK | GPIO_PAR_TMR_TIN1_UNMASK);
gpio->par_timer |=
(GPIO_PAR_TMR_TIN0_U2TXD | GPIO_PAR_TMR_TIN1_U2RXD);
#endif
#ifdef CONFIG_SYS_UART2_ALT1_GPIO
gpio->par_feci2c &=
- (GPIO_PAR_FECI2C_MDC_MASK | GPIO_PAR_FECI2C_MDIO_MASK);
+ (GPIO_PAR_FECI2C_MDC_UNMASK | GPIO_PAR_FECI2C_MDIO_UNMASK);
gpio->par_feci2c |=
(GPIO_PAR_FECI2C_MDC_U2TXD | GPIO_PAR_FECI2C_MDIO_U2RXD);
#endif
#ifdef CONFIG_SYS_UART2_ALT1_GPIO
gpio->par_feci2c &=
- (GPIO_PAR_FECI2C_SDA_MASK | GPIO_PAR_FECI2C_SCL_MASK);
+ (GPIO_PAR_FECI2C_SDA_UNMASK | GPIO_PAR_FECI2C_SCL_UNMASK);
gpio->par_feci2c |=
(GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_U2RXD);
#endif
@@ -182,8 +184,8 @@ int fecpin_setclear(struct eth_device *dev, int setclear)
GPIO_PAR_FECI2C_MDC_MDC | GPIO_PAR_FECI2C_MDIO_MDIO;
} else {
gpio->par_fec &=
- (GPIO_PAR_FEC_7W_MASK & GPIO_PAR_FEC_MII_MASK);
- gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII_MASK;
+ (GPIO_PAR_FEC_7W_UNMASK & GPIO_PAR_FEC_MII_UNMASK);
+ gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII_UNMASK;
}
return 0;
}
@@ -245,15 +247,19 @@ int cpu_init_r(void)
return (0);
}
-void uart_port_conf(void)
+void uart_port_conf(int port)
{
+ volatile u32 *par = (u32 *) MMAP_PAR;
+
/* Setup Ports: */
- switch (CONFIG_SYS_UART_PORT) {
- case 0:
- break;
+ switch (port) {
case 1:
+ *par &= 0xFFE7FFFF;
+ *par |= 0x00180000;
break;
case 2:
+ *par &= 0xFFFFFFFC;
+ *par &= 0x00000003;
break;
}
}
@@ -289,21 +295,26 @@ int cpu_init_r(void)
return (0);
}
-void uart_port_conf(void)
+void uart_port_conf(int port)
{
+ u16 temp;
+
/* Setup Ports: */
- switch (CONFIG_SYS_UART_PORT) {
+ switch (port) {
case 0:
- mbar_writeShort(MCF_GPIO_PAR_UART, MCF_GPIO_PAR_UART_U0TXD |
- MCF_GPIO_PAR_UART_U0RXD);
+ temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xFFF3;
+ temp |= (MCF_GPIO_PAR_UART_U0TXD | MCF_GPIO_PAR_UART_U0RXD);
+ mbar_writeShort(MCF_GPIO_PAR_UART, temp);
break;
case 1:
- mbar_writeShort(MCF_GPIO_PAR_UART,
- MCF_GPIO_PAR_UART_U1RXD_UART1 |
- MCF_GPIO_PAR_UART_U1TXD_UART1);
+ temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xF0FF;
+ temp |= (MCF_GPIO_PAR_UART_U1RXD_UART1 | MCF_GPIO_PAR_UART_U1TXD_UART1);
+ mbar_writeShort(MCF_GPIO_PAR_UART, temp);
break;
case 2:
- mbar_writeShort(MCF_GPIO_PAR_UART, 0x3000);
+ temp = mbar_readShort(MCF_GPIO_PAR_UART) & 0xCFFF;
+ temp |= (0x3000);
+ mbar_writeShort(MCF_GPIO_PAR_UART, temp);
break;
}
}
@@ -407,12 +418,12 @@ int cpu_init_r(void)
return (0);
}
-void uart_port_conf(void)
+void uart_port_conf(int port)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Setup Ports: */
- switch (CONFIG_SYS_UART_PORT) {
+ switch (port) {
case 0:
gpio->gpio_pbcnt &= ~(GPIO_PBCNT_PB0MSK | GPIO_PBCNT_PB1MSK);
gpio->gpio_pbcnt |= (GPIO_PBCNT_URT0_TXD | GPIO_PBCNT_URT0_RXD);
@@ -485,19 +496,22 @@ int cpu_init_r(void)
return (0);
}
-void uart_port_conf(void)
+void uart_port_conf(int port)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Setup Ports: */
- switch (CONFIG_SYS_UART_PORT) {
+ switch (port) {
case 0:
+ gpio->par_uart &= ~UART0_ENABLE_MASK;
gpio->par_uart |= UART0_ENABLE_MASK;
break;
case 1:
+ gpio->par_uart &= ~UART1_ENABLE_MASK;
gpio->par_uart |= UART1_ENABLE_MASK;
break;
case 2:
+ gpio->par_uart &= ~UART2_ENABLE_MASK;
gpio->par_uart |= UART2_ENABLE_MASK;
break;
}
@@ -582,6 +596,12 @@ void cpu_init_f(void)
#ifdef CONFIG_SYS_PTCPAR
MCFGPIO_PTCPAR = CONFIG_SYS_PTCPAR;
#endif
+#if defined(CONFIG_SYS_PORTTC)
+ MCFGPIO_PORTTC = CONFIG_SYS_PORTTC;
+#endif
+#if defined(CONFIG_SYS_DDRTC)
+ MCFGPIO_DDRTC = CONFIG_SYS_DDRTC;
+#endif
#ifdef CONFIG_SYS_PTDPAR
MCFGPIO_PTDPAR = CONFIG_SYS_PTDPAR;
#endif
@@ -589,6 +609,9 @@ void cpu_init_f(void)
MCFGPIO_PUAPAR = CONFIG_SYS_PUAPAR;
#endif
+#if defined(CONFIG_SYS_DDRD)
+ MCFGPIO_DDRD = CONFIG_SYS_DDRD;
+#endif
#ifdef CONFIG_SYS_DDRUA
MCFGPIO_DDRUA = CONFIG_SYS_DDRUA;
#endif
@@ -610,10 +633,10 @@ int cpu_init_r(void)
return (0);
}
-void uart_port_conf(void)
+void uart_port_conf(int port)
{
/* Setup Ports: */
- switch (CONFIG_SYS_UART_PORT) {
+ switch (port) {
case 0:
MCFGPIO_PUAPAR &= 0xFc;
MCFGPIO_PUAPAR |= 0x03;
@@ -718,14 +741,7 @@ int cpu_init_r(void)
return (0);
}
-void uart_port_conf(void)
+void uart_port_conf(int port)
{
- /* Setup Ports: */
- switch (CONFIG_SYS_UART_PORT) {
- case 0:
- break;
- case 1:
- break;
- }
}
#endif /* #if defined(CONFIG_M5249) */
diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S
index 0dd4de5160c..9ef206aa0fd 100644
--- a/cpu/mcf52x2/start.S
+++ b/cpu/mcf52x2/start.S
@@ -24,12 +24,12 @@
#include <config.h>
#include <timestamp.h>
#include "version.h"
+#include <asm/cache.h>
#ifndef CONFIG_IDENT_STRING
#define CONFIG_IDENT_STRING ""
#endif
-
#define _START _start
#define _FAULT _fault
@@ -201,6 +201,13 @@ _after_flashbar_copy:
movec %d0, %RAMBAR1
#endif
+ /* initialize general use internal ram */
+ move.l #0, %d0
+ move.l #(ICACHE_STATUS), %a1 /* icache */
+ move.l #(DCACHE_STATUS), %a2 /* icache */
+ move.l %d0, (%a1)
+ move.l %d0, (%a2)
+
/* set stackpointer to end of internal ram to get some stackspace for the first c-code */
move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
clr.l %sp@-
@@ -283,23 +290,6 @@ clear_bss:
cmp.l %a2, %a1
bne 7b
-#if defined(CONFIG_M5281) || defined(CONFIG_M5282)
- /* patch the 3 accesspoints to 3 ichache_state */
- /* quick and dirty */
-
- move.l %a0,%d1
- add.l #(icache_state - CONFIG_SYS_MONITOR_BASE),%d1
- move.l %a0,%a1
- add.l #(icache_state_access_1+2 - CONFIG_SYS_MONITOR_BASE),%a1
- move.l %d1,(%a1)
- move.l %a0,%a1
- add.l #(icache_state_access_2+2 - CONFIG_SYS_MONITOR_BASE),%a1
- move.l %d1,(%a1)
- move.l %a0,%a1
- add.l #(icache_state_access_3+2 - CONFIG_SYS_MONITOR_BASE),%a1
- move.l %d1,(%a1)
-#endif
-
/* calculate relative jump to board_init_r in ram */
move.l %a0, %a1
add.l #(board_init_r - CONFIG_SYS_MONITOR_BASE), %a1
@@ -336,156 +326,6 @@ _int_handler:
RESTORE_ALL
/*------------------------------------------------------------------------------*/
-/* cache functions */
-#ifdef CONFIG_M5208
- .globl icache_enable
-icache_enable:
- move.l #0x01000000, %d0 /* Invalidate cache cmd */
- movec %d0, %CACR /* Invalidate cache */
- move.l #(CONFIG_SYS_SDRAM_BASE + 0xC000), %d0 /* Setup cache mask */
- movec %d0, %ACR0 /* Enable cache */
-
- move.l #0x80000200, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Enable cache */
- nop
-
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
- moveq #1, %d0
- move.l %d0, (%a1)
- rts
-#endif
-
-#ifdef CONFIG_M5271
- .globl icache_enable
-icache_enable:
- move.l #0x01000000, %d0 /* Invalidate cache cmd */
- movec %d0, %CACR /* Invalidate cache */
- move.l #(CONFIG_SYS_SDRAM_BASE + 0xc000), %d0 /* Setup cache mask */
- movec %d0, %ACR0 /* Enable cache */
-
- move.l #0x80000200, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Enable cache */
- nop
-
- move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1
- moveq #1, %d0
- move.l %d0, (%a1)
- rts
-#endif
-
-#ifdef CONFIG_M5272
- .globl icache_enable
-icache_enable:
- move.l #0x01000000, %d0 /* Invalidate cache cmd */
- movec %d0, %CACR /* Invalidate cache */
- move.l #0x0000c000, %d0 /* Setup cache mask */
- movec %d0, %ACR0 /* Enable cache */
- move.l #0xff00c000, %d0 /* Setup cache mask */
- movec %d0, %ACR1 /* Enable cache */
- move.l #0x80000100, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Enable cache */
- moveq #1, %d0
- move.l %d0, icache_state
- rts
-#endif
-
-#if defined(CONFIG_M5275)
-/*
- * Instruction cache only
- */
- .globl icache_enable
-icache_enable:
- move.l #0x01400000, %d0 /* Invalidate cache cmd */
- movec %d0, %CACR /* Invalidate cache */
- move.l #0x0000c000, %d0 /* Setup SDRAM caching */
- movec %d0, %ACR0 /* Enable cache */
- move.l #0x00000000, %d0 /* No other caching */
- movec %d0, %ACR1 /* Enable cache */
- move.l #0x80400100, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Enable cache */
- moveq #1, %d0
- move.l %d0, icache_state
- rts
-#endif
-
-#ifdef CONFIG_M5282
- .globl icache_enable
-icache_enable:
- move.l #0x01000000, %d0 /* Invalidate cache cmd */
- movec %d0, %CACR /* Invalidate cache */
- move.l #0x0000c000, %d0 /* Setup cache mask */
- movec %d0, %ACR0 /* Enable cache */
- move.l #0xff00c000, %d0 /* Setup cache mask */
- movec %d0, %ACR1 /* Enable cache */
- move.l #0x80400100, %d0 /* Setup cache mask, data cache disabel*/
- movec %d0, %CACR /* Enable cache */
- moveq #1, %d0
-icache_state_access_1:
- move.l %d0, icache_state
- rts
-#endif
-
-#if defined(CONFIG_M5249) || defined(CONFIG_M5253)
- .globl icache_enable
-icache_enable:
- /*
- * Note: The 5249 Documentation doesn't give a bit position for CINV!
- * From the 5272 and the 5307 documentation, I have deduced that it is
- * probably CACR[24]. Should someone say something to Motorola?
- * ~Jeremy
- */
- move.l #0x01000000, %d0 /* Invalidate whole cache */
- move.c %d0,%CACR
- move.l #0xff00c000, %d0 /* Set FLASH cachable: always match (SM=0b10) */
- move.c %d0, %ACR0
- move.l #0x0000c000, %d0 /* Set SDRAM cachable: always match (SM=0b10) */
- move.c %d0, %ACR1
- move.l #0x90000200, %d0 /* Set cache enable cmd */
- move.c %d0,%CACR
- moveq #1, %d0
- move.l %d0, icache_state
- rts
-#endif
-
- .globl icache_disable
-icache_disable:
- move.l #0x00000100, %d0 /* Setup cache mask */
- movec %d0, %CACR /* Enable cache */
- clr.l %d0 /* Setup cache mask */
- movec %d0, %ACR0 /* Enable cache */
- movec %d0, %ACR1 /* Enable cache */
- moveq #0, %d0
-icache_state_access_2:
- move.l %d0, icache_state
- rts
-
- .globl icache_status
-icache_status:
-icache_state_access_3:
- move.l #(icache_state), %a0
- move.l (%a0), %d0
- rts
-
- .data
-icache_state:
- .long 0 /* cache is diabled on inirialization */
-
- .globl dcache_enable
-dcache_enable:
- /* dummy function */
- rts
-
- .globl dcache_disable
-dcache_disable:
- /* dummy function */
- rts
-
- .globl dcache_status
-dcache_status:
- /* dummy function */
- rts
-
-/*------------------------------------------------------------------------------*/
.globl version_string
version_string:
generated by cgit v1.2.3 (git 2.0.4) at 2025-08-04 21:28:03 +0000