]> git.ipfire.org Git - people/ms/u-boot.git/commitdiff
Blackfin: cm-bf548: convert to portmux framework
authorMike Frysinger <vapier@gentoo.org>
Wed, 2 Jun 2010 23:30:15 +0000 (19:30 -0400)
committerMike Frysinger <vapier@gentoo.org>
Tue, 13 Jul 2010 21:50:52 +0000 (17:50 -0400)
Rather than bang MMRs directly, use the new portmux framework to handle
the details.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
board/cm-bf548/cm-bf548.c
board/cm-bf548/video.c

index 3627586b69359fcec3feb1fca646b5d25c379323..90ce4c3eb766f7b128fecb24b171ee6382490639 100644 (file)
@@ -11,6 +11,7 @@
 #include <command.h>
 #include <netdev.h>
 #include <asm/blackfin.h>
+#include <asm/portmux.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -23,53 +24,13 @@ int checkboard(void)
 
 int board_early_init_f(void)
 {
-       /* Port H: PH8 - PH13 == A4 - A9
-        * address lines of the parallel asynchronous memory interface
-        */
-
-       /************************************************
-       * configure GPIO                                *
-       * set port H function enable register           *
-       *  configure PH8-PH13 as peripheral (not GPIO)  *
-       *************************************************/
-       bfin_write_PORTH_FER(0x3F03);
-
-       /************************************************
-       * set port H MUX to configure PH8-PH13          *
-       *  1st Function (MUX = 00) (bits 16-27 == 0)    *
-       *  Set to address signals A4-A9                 *
-       *************************************************/
-       bfin_write_PORTH_MUX(0);
-
-       /************************************************
-       * set port H direction register                 *
-       *  enable PH8-PH13 as outputs                   *
-       *************************************************/
-       bfin_write_PORTH_DIR_SET(0x3F00);
-
-       /* Port I: PI0 - PH14 == A10 - A24
-        * address lines of the parallel asynchronous memory interface
-        */
-
-       /************************************************
-       * set port I function enable register           *
-       *  configure PI0-PI14 as peripheral (not GPIO)  *
-       *************************************************/
-       bfin_write_PORTI_FER(0x7fff);
-
-       /**************************************************
-       * set PORT I MUX to configure PI14-PI0 as         *
-       * 1st Function (MUX=00) - address signals A10-A24 *
-       ***************************************************/
-       bfin_write_PORTI_MUX(0);
-
-       /****************************************
-       * set PORT I direction register         *
-       *  enable PI0 - PI14 as outputs         *
-       *****************************************/
-       bfin_write_PORTI_DIR_SET(0x7fff);
-
-       return 0;
+       /* Set async addr lines as peripheral */
+       const unsigned short pins[] = {
+               P_A4, P_A5, P_A6, P_A7, P_A8, P_A9, P_A10, P_A11, P_A12,
+               P_A13, P_A14, P_A15, P_A16, P_A17, P_A18, P_A19, P_A20,
+               P_A21, P_A22, P_A23, P_A24, 0
+       };
+       return peripheral_request_list(pins, "async");
 }
 
 int board_eth_init(bd_t *bis)
index 4097f09e11a7073dca54fd711a6ea517abbca102..d43f5a1dfc0c03e7f353bb7def1c0e94938fd1d2 100644 (file)
@@ -11,6 +11,8 @@
 #include <config.h>
 #include <malloc.h>
 #include <asm/blackfin.h>
+#include <asm/gpio.h>
+#include <asm/portmux.h>
 #include <asm/mach-common/bits/dma.h>
 #include <i2c.h>
 #include <linux/types.h>
@@ -174,28 +176,21 @@ void Init_DMA(void *dst)
 
 void Init_Ports(void)
 {
-       *pPORTF_MUX = 0x00000000;
-       *pPORTF_FER |= 0xFFFF;  /* PPI0..15 */
-
-       *pPORTG_MUX &=
-           ~(PORT_x_MUX_0_MASK | PORT_x_MUX_1_MASK | PORT_x_MUX_2_MASK |
-             PORT_x_MUX_3_MASK | PORT_x_MUX_4_MASK);
-       *pPORTG_FER |= PG0 | PG1 | PG2 | PG3 | PG4;     /* CLK, FS1, FS2, PPI16..17  */
-
+       const unsigned short pins[] = {
+               P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3, P_PPI0_D4,
+               P_PPI0_D5, P_PPI0_D6, P_PPI0_D7, P_PPI0_D8, P_PPI0_D9,
+               P_PPI0_D10, P_PPI0_D11, P_PPI0_D12, P_PPI0_D13, P_PPI0_D14,
+               P_PPI0_D15, P_PPI0_D16, P_PPI0_D17,
 #if !defined(CONFIG_VIDEO_RGB666)
-       *pPORTD_MUX &=
-           ~(PORT_x_MUX_0_MASK | PORT_x_MUX_1_MASK | PORT_x_MUX_2_MASK |
-             PORT_x_MUX_3_MASK | PORT_x_MUX_4_MASK | PORT_x_MUX_5_MASK);
-       *pPORTD_MUX |=
-           (PORT_x_MUX_0_FUNC_4 | PORT_x_MUX_1_FUNC_4 | PORT_x_MUX_2_FUNC_4 |
-            PORT_x_MUX_3_FUNC_4 | PORT_x_MUX_4_FUNC_4 | PORT_x_MUX_5_FUNC_4);
-       *pPORTD_FER |= PD0 | PD1 | PD2 | PD3 | PD4 | PD5;       /* PPI18..23  */
+               P_PPI0_D18, P_PPI0_D19, P_PPI0_D20, P_PPI0_D21, P_PPI0_D22,
+               P_PPI0_D23,
 #endif
+               P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, 0,
+       };
+       peripheral_request_list(pins, "lcd");
 
-       *pPORTE_FER &= ~PE3;    /* DISP */
-       *pPORTE_DIR_SET = PE3;
-       *pPORTE_SET = PE3;
-
+       gpio_request(GPIO_PE3, "lcd-disp");
+       gpio_direction_output(GPIO_PE3, 1);
 }
 
 void EnableDMA(void)