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kumquat-buildroot/target/u-boot/2009.01-rc1/u-boot-2009.01-rc1-003-at91rm9200dk.patch
Ulf Samuelsson abda401711 Support AT91 in vanilla U-Boot
2009-01-02 11:18:09 +00:00

325 lines
9.2 KiB
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diff -urN u-boot-2009.01-rc1-0rig//board/atmel/at91rm9200dk/at91rm9200dk.c u-boot-2009.01/board/atmel/at91rm9200dk/at91rm9200dk.c
--- u-boot-2009.01-rc1-0rig//board/atmel/at91rm9200dk/at91rm9200dk.c 2009-01-01 13:09:31.000000000 +0100
+++ u-boot-2009.01/board/atmel/at91rm9200dk/at91rm9200dk.c 2009-01-01 16:11:36.000000000 +0100
@@ -3,6 +3,9 @@
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
+ * (C) Copyright 2008
+ * Ulf Samuelsson <ulf.samuelsson@atmel.com>
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
@@ -24,6 +27,10 @@
#include <common.h>
#include <asm/arch/AT91RM9200.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
#include <at91rm9200_net.h>
#include <dm9161.h>
@@ -41,13 +48,13 @@
/* Correct IRDA resistor problem */
/* Set PA23_TXD in Output */
- ((AT91PS_PIO) AT91C_BASE_PIOA)->PIO_OER = AT91C_PA23_TXD2;
+ at91_set_gpio_output(AT91_PIN_PA23, 1);
/* memory and cpu-speed are setup before relocation */
/* so we do _nothing_ here */
/* arch number of AT91RM9200DK-Board */
- gd->bd->bi_arch_number = MACH_TYPE_AT91RM9200DK;
+ gd->bd->bi_arch_number = AT91RM9200_BOARD;
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
@@ -91,46 +98,58 @@
*/
#if defined(CONFIG_CMD_NAND)
extern ulong nand_probe (ulong physadr);
+/* set the bus interface characteristics based on
+ * tDS Data Set up Time 30 - ns
+ * tDH Data Hold Time 20 - ns
+ * tALS ALE Set up Time 20 - ns
+ * 16ns at 60 MHz ~= 3
+ */
-#define AT91_SMARTMEDIA_BASE 0x40000000 /* physical address to access memory on NCS3 */
-void nand_init (void)
-{
- /* Setup Smart Media, fitst enable the address range of CS3 */
- *AT91C_EBI_CSA |= AT91C_EBI_CS3A_SMC_SmartMedia;
- /* set the bus interface characteristics based on
- tDS Data Set up Time 30 - ns
- tDH Data Hold Time 20 - ns
- tALS ALE Set up Time 20 - ns
- 16ns at 60 MHz ~= 3 */
/*memory mapping structures */
#define SM_ID_RWH (5 << 28)
#define SM_RWH (1 << 28)
#define SM_RWS (0 << 24)
#define SM_TDF (1 << 8)
#define SM_NWS (3)
- AT91C_BASE_SMC2->SMC2_CSR[3] = (SM_RWH | SM_RWS |
- AT91C_SMC2_ACSS_STANDARD | AT91C_SMC2_DBW_8 |
- SM_TDF | AT91C_SMC2_WSEN | SM_NWS);
+
+#define SMARTMEDIA_INIT ( \
+ SM_RWH | \
+ SM_RWS | \
+ AT91C_SMC2_ACSS_STANDARD | \
+ AT91C_SMC2_DBW_8 | \
+ SM_TDF | \
+ AT91C_SMC2_WSEN | \
+ SM_NWS \
+ )
+
+
+
+#define AT91_SMARTMEDIA_BASE 0x40000000 /* physical address to access memory on NCS3 */
+void nand_init (void)
+{
+ /* Setup Smart Media, fitst enable the address range of CS3 */
+ /* *AT91C_EBI_CSA |= AT91C_EBI_CS3A_SMC_SmartMedia; */
+ at91_sys_setbit(AT91C_EBI_CS3A_SMC_SmartMedia, AT91_EBI_CSA);
+
+ /* Init Smartmedia Interface */
+ at91_sys_write(AT91_SMC2_CSR3, SMARTMEDIA_INIT);
/* enable the SMOE line PC0=SMCE, A21=CLE, A22=ALE */
- *AT91C_PIOC_ASR = AT91C_PC0_BFCK | AT91C_PC1_BFRDY_SMOE |
- AT91C_PC3_BFBAA_SMWE;
- *AT91C_PIOC_PDR = AT91C_PC0_BFCK | AT91C_PC1_BFRDY_SMOE |
- AT91C_PC3_BFBAA_SMWE;
+ at91_set_A_periph(AT91_PIN_PC0, 0); /* BFCK */
+ at91_set_A_periph(AT91_PIN_PC1, 0); /* BFRDY/SMOE */
+ at91_set_A_periph(AT91_PIN_PC3, 0); /* BFBAA/SMWE */
/* Configure PC2 as input (signal READY of the SmartMedia) */
- *AT91C_PIOC_PER = AT91C_PC2_BFAVD; /* enable direct output enable */
- *AT91C_PIOC_ODR = AT91C_PC2_BFAVD; /* disable output */
+ at91_set_gpio_input(AT91_PIN_PC2, 0);
/* Configure PB1 as input (signal Card Detect of the SmartMedia) */
- *AT91C_PIOB_PER = AT91C_PIO_PB1; /* enable direct output enable */
- *AT91C_PIOB_ODR = AT91C_PIO_PB1; /* disable output */
+ at91_set_gpio_input(AT91_PIN_PB1, 0);
/* PIOB and PIOC clock enabling */
- *AT91C_PMC_PCER = 1 << AT91C_ID_PIOB;
- *AT91C_PMC_PCER = 1 << AT91C_ID_PIOC;
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91RM9200_ID_PIOB);
+ at91_sys_write(AT91_PMC_PCER, 1 << AT91RM9200_ID_PIOC);
- if (*AT91C_PIOB_PDSR & AT91C_PIO_PB1)
+ if (at91_get_gpio_value(AT91_PIN_PB1))
printf (" No SmartMedia card inserted\n");
#ifdef DEBUG
printf (" SmartMedia card inserted\n");
@@ -140,3 +159,4 @@
printf ("%4lu MB\n", nand_probe(AT91_SMARTMEDIA_BASE) >> 20);
}
#endif
+
diff -urN u-boot-2009.01-rc1-0rig//board/atmel/at91rm9200dk/led.c u-boot-2009.01/board/atmel/at91rm9200dk/led.c
--- u-boot-2009.01-rc1-0rig//board/atmel/at91rm9200dk/led.c 2009-01-01 13:09:31.000000000 +0100
+++ u-boot-2009.01/board/atmel/at91rm9200dk/led.c 2009-01-01 15:53:56.000000000 +0100
@@ -24,57 +24,105 @@
#include <common.h>
#include <asm/arch/AT91RM9200.h>
+/*#include <asm/arch/at91_pmc.h>*/
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
-#define GREEN_LED AT91C_PIO_PB0
-#define YELLOW_LED AT91C_PIO_PB1
-#define RED_LED AT91C_PIO_PB2
+#define GREEN_LED AT91_PIN_PB0
+#define YELLOW_LED AT91_PIN_PB1
+#define RED_LED AT91_PIN_PB2
-void green_LED_on(void)
+
+#define GREEN_LED_ON 0
+#define GREEN_LED_OFF 1
+#define YELLOW_LED_ON 0
+#define YELLOW_LED_OFF 1
+#define RED_LED_ON 0
+#define RED_LED_OFF 1
+
+#define TIME_SLICE 500000
+
+void yellow_LED_on(void)
+{
+ at91_set_gpio_value(YELLOW_LED, YELLOW_LED_ON);
+}
+
+void yellow_LED_off(void)
+{
+ at91_set_gpio_value(YELLOW_LED, YELLOW_LED_OFF);
+}
+
+void red_LED_on(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
- PIOB->PIO_CODR = GREEN_LED;
+ at91_set_gpio_value(RED_LED, RED_LED_ON);
}
-void yellow_LED_on(void)
+void red_LED_off(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
- PIOB->PIO_CODR = YELLOW_LED;
+ at91_set_gpio_value(RED_LED, RED_LED_OFF);
}
-void red_LED_on(void)
+void green_LED_on(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
- PIOB->PIO_CODR = RED_LED;
+ at91_set_gpio_value(GREEN_LED, GREEN_LED_ON);
}
-void green_LED_off(void)
+void green_LED_off(void)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
- PIOB->PIO_SODR = GREEN_LED;
+ at91_set_gpio_value(GREEN_LED, GREEN_LED_OFF);
}
-void yellow_LED_off(void)
+static void delay(unsigned int time)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
- PIOB->PIO_SODR = YELLOW_LED;
+ volatile unsigned int counter = time;
+ while(counter > 0) counter--;
}
-void red_LED_off(void)
+void green_LED_blink(unsigned int time)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
- PIOB->PIO_SODR = RED_LED;
+ while(time > 0) {
+ green_LED_on();
+ delay(TIME_SLICE);
+ green_LED_off();
+ delay(TIME_SLICE);
+ time--;
+ }
}
+void yellow_LED_blink(unsigned int time)
+{
+ while(time > 0) {
+ yellow_LED_on();
+ delay(TIME_SLICE);
+ yellow_LED_off();
+ delay(TIME_SLICE);
+ time--;
+ }
+}
-void coloured_LED_init (void)
+void red_LED_blink(unsigned int time)
{
- AT91PS_PIO PIOB = AT91C_BASE_PIOB;
- AT91PS_PMC PMC = AT91C_BASE_PMC;
- PMC->PMC_PCER = (1 << AT91C_ID_PIOB); /* Enable PIOB clock */
- /* Disable peripherals on LEDs */
- PIOB->PIO_PER = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0;
- /* Enable pins as outputs */
- PIOB->PIO_OER = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0;
- /* Turn all LEDs OFF */
- PIOB->PIO_SODR = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0;
+ while(time > 0) {
+ red_LED_on();
+ delay(TIME_SLICE);
+ red_LED_off();
+ delay(TIME_SLICE);
+ time--;
+ }
}
+
+void coloured_LED_init(void)
+{
+ /* Enable clock */
+ at91_sys_write(AT91C_PMC_PCER, 1 << AT91RM9200_ID_PIOB);
+
+ at91_set_gpio_output(GREEN_LED, 1);
+ at91_set_gpio_output(YELLOW_LED, 1);
+ at91_set_gpio_output(RED_LED, 1);
+
+ at91_set_gpio_value(GREEN_LED, GREEN_LED_OFF);
+ at91_set_gpio_value(YELLOW_LED, YELLOW_LED_OFF);
+ at91_set_gpio_value(RED_LED, RED_LED_ON);
+}
+
+
diff -urN u-boot-2009.01-rc1-0rig//board/atmel/at91rm9200dk/mux.c u-boot-2009.01/board/atmel/at91rm9200dk/mux.c
--- u-boot-2009.01-rc1-0rig//board/atmel/at91rm9200dk/mux.c 2009-01-01 13:09:31.000000000 +0100
+++ u-boot-2009.01/board/atmel/at91rm9200dk/mux.c 2009-01-01 16:38:01.000000000 +0100
@@ -1,37 +1,29 @@
#include <config.h>
#include <common.h>
#include <asm/hardware.h>
+#include <asm/arch/at91_pio.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/io.h>
#include <dataflash.h>
int AT91F_GetMuxStatus(void) {
-#ifdef DATAFLASH_MMC_SELECT
- AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
- AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
-
-
- if(AT91C_BASE_PIOB->PIO_ODSR & DATAFLASH_MMC_SELECT) {
- return 1;
- } else {
- return 0;
- }
-#endif
+#ifdef CONFIG_CMD_AT91_SPIMUX
+ return at91_get_gpio_value(DATAFLASH_MMC_SELECT);
+#else
return 0;
+#endif
}
-void AT91F_SelectMMC(void) {
-#ifdef DATAFLASH_MMC_SELECT
- AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
- AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
- /* Set Output */
- AT91C_BASE_PIOB->PIO_SODR = DATAFLASH_MMC_SELECT;
+void AT91F_SelectMMC(void)
+{
+#ifdef CONFIG_CMD_AT91_SPIMUX
+ at91_set_gpio_output(DATAFLASH_MMC_SELECT, 1); /* Set in PIO mode and select SD-Card*/
#endif
}
void AT91F_SelectSPI(void) {
-#ifdef DATAFLASH_MMC_SELECT
- AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
- AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
- /* Clear Output */
- AT91C_BASE_PIOB->PIO_CODR = DATAFLASH_MMC_SELECT;
+#ifdef CONFIG_CMD_AT91_SPIMUX
+ at91_set_gpio_output(DATAFLASH_MMC_SELECT, 0); /* Set in PIO mode and select SPI */
#endif
}
+
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