ATMEL: fix dataflash (dirty) this file should be converted to struct SoC access
authorReinhard Meyer <u-boot@emk-elektronik.de>
Tue, 9 Nov 2010 16:06:20 +0000 (17:06 +0100)
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>
Wed, 18 May 2011 05:56:51 +0000 (07:56 +0200)
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
drivers/spi/atmel_dataflash_spi.c
include/dataflash.h

index 4a5c4aac7017cdfa43bb3092561d0290ea4ba1f2..9c991e8cbca123a09b033c0f4d5a9ff9287d75c7 100644 (file)
 
 #include <common.h>
 #ifndef CONFIG_AT91_LEGACY
-#define CONFIG_AT91_LEGACY
-#warning Please update to use C structur SoC access !
+# define CONFIG_ATMEL_LEGACY
+# warning Please update to use C structure SoC access !
 #endif
-#include <asm/arch/hardware.h>
+#include <common.h>
+#include <spi.h>
+#include <malloc.h>
+
+#include <asm/io.h>
+
 #include <asm/arch/clk.h>
+#include <asm/arch/hardware.h>
+
+#include "atmel_spi.h"
+
 #include <asm/arch/gpio.h>
-#include <asm/arch/io.h>
 #include <asm/arch/at91_pio.h>
 #include <asm/arch/at91_spi.h>
 
 void AT91F_SpiInit(void)
 {
        /* Reset the SPI */
-       writel(AT91_SPI_SWRST, AT91_BASE_SPI + AT91_SPI_CR);
+       writel(AT91_SPI_SWRST, ATMEL_BASE_SPI0 + AT91_SPI_CR);
 
        /* Configure SPI in Master Mode with No CS selected !!! */
        writel(AT91_SPI_MSTR | AT91_SPI_MODFDIS | AT91_SPI_PCS,
-              AT91_BASE_SPI + AT91_SPI_MR);
+              ATMEL_BASE_SPI0 + AT91_SPI_MR);
 
        /* Configure CS0 */
        writel(AT91_SPI_NCPHA |
               (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
               (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
               ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
-              AT91_BASE_SPI + AT91_SPI_CSR(0));
+              ATMEL_BASE_SPI0 + AT91_SPI_CSR(0));
 
 #ifdef CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1
        /* Configure CS1 */
@@ -60,7 +68,7 @@ void AT91F_SpiInit(void)
               (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
               (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
               ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
-              AT91_BASE_SPI + AT91_SPI_CSR(1));
+              ATMEL_BASE_SPI0 + AT91_SPI_CSR(1));
 #endif
 #ifdef CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS2
        /* Configure CS2 */
@@ -68,7 +76,7 @@ void AT91F_SpiInit(void)
               (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
               (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
               ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
-              AT91_BASE_SPI + AT91_SPI_CSR(2));
+              ATMEL_BASE_SPI0 + AT91_SPI_CSR(2));
 #endif
 #ifdef CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3
        /* Configure CS3 */
@@ -76,21 +84,22 @@ void AT91F_SpiInit(void)
               (AT91_SPI_DLYBS & DATAFLASH_TCSS) |
               (AT91_SPI_DLYBCT & DATAFLASH_TCHS) |
               ((get_mck_clk_rate() / AT91_SPI_CLK) << 8),
-              AT91_BASE_SPI + AT91_SPI_CSR(3));
+              ATMEL_BASE_SPI0 + AT91_SPI_CSR(3));
 #endif
 
        /* SPI_Enable */
-       writel(AT91_SPI_SPIEN, AT91_BASE_SPI + AT91_SPI_CR);
+       writel(AT91_SPI_SPIEN, ATMEL_BASE_SPI0 + AT91_SPI_CR);
 
-       while (!(readl(AT91_BASE_SPI + AT91_SPI_SR) & AT91_SPI_SPIENS));
+       while (!(readl(ATMEL_BASE_SPI0 + AT91_SPI_SR) & AT91_SPI_SPIENS))
+               ;
 
        /*
         * Add tempo to get SPI in a safe state.
         * Should not be needed for new silicon (Rev B)
         */
        udelay(500000);
-       readl(AT91_BASE_SPI + AT91_SPI_SR);
-       readl(AT91_BASE_SPI + AT91_SPI_RDR);
+       readl(ATMEL_BASE_SPI0 + AT91_SPI_SR);
+       readl(ATMEL_BASE_SPI0 + AT91_SPI_RDR);
 
 }
 
@@ -100,33 +109,33 @@ void AT91F_SpiEnable(int cs)
 
        switch (cs) {
        case 0: /* Configure SPI CS0 for Serial DataFlash AT45DBxx */
-               mode = readl(AT91_BASE_SPI + AT91_SPI_MR);
+               mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR);
                mode &= 0xFFF0FFFF;
                writel(mode | ((AT91_SPI_PCS0_DATAFLASH_CARD<<16) & AT91_SPI_PCS),
-                      AT91_BASE_SPI + AT91_SPI_MR);
+                      ATMEL_BASE_SPI0 + AT91_SPI_MR);
                break;
        case 1: /* Configure SPI CS1 for Serial DataFlash AT45DBxx */
-               mode = readl(AT91_BASE_SPI + AT91_SPI_MR);
+               mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR);
                mode &= 0xFFF0FFFF;
                writel(mode | ((AT91_SPI_PCS1_DATAFLASH_CARD<<16) & AT91_SPI_PCS),
-                      AT91_BASE_SPI + AT91_SPI_MR);
+                      ATMEL_BASE_SPI0 + AT91_SPI_MR);
                break;
        case 2: /* Configure SPI CS2 for Serial DataFlash AT45DBxx */
-               mode = readl(AT91_BASE_SPI + AT91_SPI_MR);
+               mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR);
                mode &= 0xFFF0FFFF;
                writel(mode | ((AT91_SPI_PCS2_DATAFLASH_CARD<<16) & AT91_SPI_PCS),
-                      AT91_BASE_SPI + AT91_SPI_MR);
+                      ATMEL_BASE_SPI0 + AT91_SPI_MR);
                break;
        case 3:
-               mode = readl(AT91_BASE_SPI + AT91_SPI_MR);
+               mode = readl(ATMEL_BASE_SPI0 + AT91_SPI_MR);
                mode &= 0xFFF0FFFF;
                writel(mode | ((AT91_SPI_PCS3_DATAFLASH_CARD<<16) & AT91_SPI_PCS),
-                      AT91_BASE_SPI + AT91_SPI_MR);
+                      ATMEL_BASE_SPI0 + AT91_SPI_MR);
                break;
        }
 
        /* SPI_Enable */
-       writel(AT91_SPI_SPIEN, AT91_BASE_SPI + AT91_SPI_CR);
+       writel(AT91_SPI_SPIEN, ATMEL_BASE_SPI0 + AT91_SPI_CR);
 }
 
 unsigned int AT91F_SpiWrite1(AT91PS_DataflashDesc pDesc);
@@ -134,37 +143,48 @@ unsigned int AT91F_SpiWrite1(AT91PS_DataflashDesc pDesc);
 unsigned int AT91F_SpiWrite(AT91PS_DataflashDesc pDesc)
 {
        unsigned int timeout;
+       unsigned int timebase;
 
        pDesc->state = BUSY;
 
-       writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS, AT91_BASE_SPI + AT91_SPI_PTCR);
+       writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS,
+               ATMEL_BASE_SPI0 + AT91_SPI_PTCR);
 
        /* Initialize the Transmit and Receive Pointer */
-       writel((unsigned int)pDesc->rx_cmd_pt, AT91_BASE_SPI + AT91_SPI_RPR);
-       writel((unsigned int)pDesc->tx_cmd_pt, AT91_BASE_SPI + AT91_SPI_TPR);
+       writel((unsigned int)pDesc->rx_cmd_pt,
+               ATMEL_BASE_SPI0 + AT91_SPI_RPR);
+       writel((unsigned int)pDesc->tx_cmd_pt,
+               ATMEL_BASE_SPI0 + AT91_SPI_TPR);
 
        /* Intialize the Transmit and Receive Counters */
-       writel(pDesc->rx_cmd_size, AT91_BASE_SPI + AT91_SPI_RCR);
-       writel(pDesc->tx_cmd_size, AT91_BASE_SPI + AT91_SPI_TCR);
+       writel(pDesc->rx_cmd_size, ATMEL_BASE_SPI0 + AT91_SPI_RCR);
+       writel(pDesc->tx_cmd_size, ATMEL_BASE_SPI0 + AT91_SPI_TCR);
 
        if (pDesc->tx_data_size != 0) {
                /* Initialize the Next Transmit and Next Receive Pointer */
-               writel((unsigned int)pDesc->rx_data_pt, AT91_BASE_SPI + AT91_SPI_RNPR);
-               writel((unsigned int)pDesc->tx_data_pt, AT91_BASE_SPI + AT91_SPI_TNPR);
+               writel((unsigned int)pDesc->rx_data_pt,
+                       ATMEL_BASE_SPI0 + AT91_SPI_RNPR);
+               writel((unsigned int)pDesc->tx_data_pt,
+                       ATMEL_BASE_SPI0 + AT91_SPI_TNPR);
 
                /* Intialize the Next Transmit and Next Receive Counters */
-               writel(pDesc->rx_data_size, AT91_BASE_SPI + AT91_SPI_RNCR);
-               writel(pDesc->tx_data_size, AT91_BASE_SPI + AT91_SPI_TNCR);
+               writel(pDesc->rx_data_size,
+                       ATMEL_BASE_SPI0 + AT91_SPI_RNCR);
+               writel(pDesc->tx_data_size,
+                       ATMEL_BASE_SPI0 + AT91_SPI_TNCR);
        }
 
        /* arm simple, non interrupt dependent timer */
-       reset_timer_masked();
+       timebase = get_timer(0);
        timeout = 0;
 
-       writel(AT91_SPI_TXTEN + AT91_SPI_RXTEN, AT91_BASE_SPI + AT91_SPI_PTCR);
-       while (!(readl(AT91_BASE_SPI + AT91_SPI_SR) & AT91_SPI_RXBUFF) &&
-               ((timeout = get_timer_masked()) < CONFIG_SYS_SPI_WRITE_TOUT));
-       writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS, AT91_BASE_SPI + AT91_SPI_PTCR);
+       writel(AT91_SPI_TXTEN + AT91_SPI_RXTEN,
+               ATMEL_BASE_SPI0 + AT91_SPI_PTCR);
+       while (!(readl(ATMEL_BASE_SPI0 + AT91_SPI_SR) & AT91_SPI_RXBUFF) &&
+               ((timeout = get_timer(timebase)) < CONFIG_SYS_SPI_WRITE_TOUT))
+               ;
+       writel(AT91_SPI_TXTDIS + AT91_SPI_RXTDIS,
+               ATMEL_BASE_SPI0 + AT91_SPI_PTCR);
        pDesc->state = IDLE;
 
        if (timeout >= CONFIG_SYS_SPI_WRITE_TOUT) {
index 63b3bf9634334e7ccd7c7ead82a0e095fed9afb2..96ac0975a63d037cf8426bea853ebe4458ce3578 100644 (file)
@@ -34,7 +34,6 @@
 #define _DataFlash_h
 
 
-#include <asm/arch/hardware.h>
 #include "config.h"
 
 /*number of protected area*/