board: cssi: Move all mother board code into common.c

All the code used to manage the mother boards will be
common to soon to come CPU board.

Move all that code into common.c

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>

3 files changed, 151 insertions, 133 deletions

diff --git a/board/cssi/cmpc885/cmpc885.c b/board/cssi/cmpc885/cmpc885.c
index 8f67f9fc33..540b9d3c78 100644
--- a/board/cssi/cmpc885/cmpc885.c
+++ b/board/cssi/cmpc885/cmpc885.c
@@ -28,33 +28,15 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#define BOARD_CMPC885		"cmpc885"
-#define BOARD_MCR3000_2G	"mcr3k_2g"
-#define BOARD_VGOIP		"vgoip"
-#define BOARD_MIAE		"miae"
-
-#define TYPE_MCR	0x22
-#define TYPE_MIAE	0x23
-
-#define FAR_CASRSA     2
-#define FAR_VGOIP      4
-#define FAV_CLA        7
-#define FAV_SRSA       8
-
 #define ADDR_CPLD_R_RESET		((unsigned short __iomem *)CONFIG_CPLD_BASE)
 #define ADDR_CPLD_R_ETAT		((unsigned short __iomem *)(CONFIG_CPLD_BASE + 2))
 #define ADDR_CPLD_R_TYPE		((unsigned char  __iomem *)(CONFIG_CPLD_BASE + 3))
 
-#define ADDR_FPGA_R_BASE		((unsigned char  __iomem *)CONFIG_FPGA_BASE)
-#define ADDR_FPGA_R_ALARMES_IN		((unsigned char  __iomem *)CONFIG_FPGA_BASE + 0x31)
-#define ADDR_FPGA_R_FAV			((unsigned char  __iomem *)CONFIG_FPGA_BASE + 0x44)
-
 #define PATH_PHY2			"/soc@ff000000/mdio@e00/ethernet-phy@2"
 #define PATH_PHY3			"/soc@ff000000/mdio@e00/ethernet-phy@3"
 #define PATH_ETH1			"/soc@ff000000/ethernet@1e00"
 #define FIBER_PHY PATH_PHY2
 
-#define FPGA_R_ACQ_AL_FAV	0x04
 #define R_ETAT_PRES_BASE	0x0040
 
 #define R_RESET_STATUS		0x0400
@@ -62,8 +44,6 @@ DECLARE_GLOBAL_DATA_PTR;
 
 int ft_board_setup(void *blob, struct bd_info *bd)
 {
-	u8 fav_id, far_id;
-
 	const char *sync = "receive";
 
 	ft_cpu_setup(blob, bd);
@@ -87,32 +67,19 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 	do_fixup_by_path(blob, "/localbus/e1", "rising-edge-sync-pulse", sync, strlen(sync), 1);
 
 	/* MIAE only */
-	if (!(in_be16(ADDR_CPLD_R_ETAT) & R_ETAT_PRES_BASE) || in_8(ADDR_FPGA_R_BASE) != TYPE_MIAE)
+	if (!(in_be16(ADDR_CPLD_R_ETAT) & R_ETAT_PRES_BASE))
 		return 0;
 
-	far_id = in_8(ADDR_FPGA_R_BASE + 0x43) >> 5;
-	ft_cleanup(blob, (u32)far_id, "far-id", "cs,mia-far");
-
-	/*
-	 * special case, with CASRSA (far_id: 2)
-	 * FAV-SRSA register itself as FAV-CLA
-	 */
-	fav_id = in_8(ADDR_FPGA_R_BASE + 0x44) >> 5;
-
-	if (far_id == FAR_CASRSA && fav_id == FAV_CLA)
-		fav_id = FAV_SRSA;
-
-	ft_cleanup(blob, (u32)fav_id, "fav-id", "cs,mia-fav");
-
-	if (far_id == FAR_CASRSA) {
-		/* switch to phy3 with gpio, we'll only use phy3 */
-		immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
-		cpm8xx_t __iomem *cp = (cpm8xx_t __iomem *)&immr->im_cpm;
+	return ft_board_setup_common(blob);
+}
 
-		setbits_be32(&cp->cp_pedat, 0x00002000);
-	}
+void ft_board_setup_phy3(void)
+{
+	/* switch to phy3 with gpio, we'll only use phy3 */
+	immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
+	cpm8xx_t __iomem *cp = (cpm8xx_t __iomem *)&immr->im_cpm;
 
-	return 0;
+	setbits_be32(&cp->cp_pedat, 0x00002000);
 }
 
 int checkboard(void)
@@ -120,30 +87,11 @@ int checkboard(void)
 	serial_puts("Board: ");
 
 	/* Is a motherboard present ? */
-	if (in_be16(ADDR_CPLD_R_ETAT) & R_ETAT_PRES_BASE) {
-		switch (in_8(ADDR_FPGA_R_BASE)) {
-			int far_id;
-		case TYPE_MCR:
-			printf("MCR3000_2G (CS GROUP)\n");
-			break;
-		case TYPE_MIAE:
-			far_id = in_8(ADDR_FPGA_R_BASE + 0x43) >> 5;
-
-			if (far_id == FAR_VGOIP)
-				printf("VGoIP (CS GROUP)\n");
-			else
-				printf("MIAE (CS GROUP)\n");
-
-			break;
-		default:
-			printf("Unknown\n");
-			for (;;)
-				;
-			break;
-		}
-	} else {
-		printf("CMPC885 (CS GROUP)\n");
-	}
+	if (in_be16(ADDR_CPLD_R_ETAT) & R_ETAT_PRES_BASE)
+		return checkboard_common();
+
+	printf("CMPC885 (CS GROUP)\n");
+
 	return 0;
 }
 
@@ -174,57 +122,12 @@ static int setup_mac(void)
 
 int misc_init_r(void)
 {
-	u8 val, tmp, far_id;
-	int count = 3;
-
-	val = in_8(ADDR_FPGA_R_BASE);
-
 	/* Verify mother board presence */
 	if (in_be16(ADDR_CPLD_R_ETAT) & R_ETAT_PRES_BASE) {
-		/* identify the type of mother board */
-		switch (val) {
-		case TYPE_MCR:
-			/* if at boot alarm button is pressed, delay boot */
-			if ((in_8(ADDR_FPGA_R_ALARMES_IN) & FPGA_R_ACQ_AL_FAV) == 0)
-				env_set("bootdelay", "60");
-
-			env_set("config", BOARD_MCR3000_2G);
-			env_set("hostname", BOARD_MCR3000_2G);
-			break;
-
-		case TYPE_MIAE:
-			do {
-				tmp = in_8(ADDR_FPGA_R_BASE + 0x41);
-				count--;
-				mdelay(10); /* 10msec wait */
-			} while (count && tmp != in_8(ADDR_FPGA_R_BASE + 0x41));
-
-			if (!count) {
-				printf("Cannot read the reset factory switch position\n");
-				hang();
-			}
-
-			if (tmp & 0x1)
-				env_set_default("Factory settings switch ON", 0);
-
-			env_set("config", BOARD_MIAE);
-			far_id = in_8(ADDR_FPGA_R_BASE + 0x43) >> 5;
-
-			if (far_id == FAR_VGOIP)
-				env_set("hostname", BOARD_VGOIP);
-			else
-				env_set("hostname", BOARD_MIAE);
-			break;
-
-		default:
-			env_set("config", BOARD_CMPC885);
-			env_set("hostname", BOARD_CMPC885);
-			break;
-		}
+		misc_init_r_common();
 	} else {
-		printf("no mother board detected");
-		env_set("config", BOARD_CMPC885);
-		env_set("hostname", BOARD_CMPC885);
+		env_set("config", CFG_BOARD_CMPCXXX);
+		env_set("hostname", CFG_BOARD_CMPCXXX);
 	}
 
 	if (setup_mac())
@@ -236,7 +139,7 @@ int misc_init_r(void)
 	return 0;
 }
 
-static void iop_setup_mcr(void)
+void iop_setup_mcr(void)
 {
 	immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
 	iop8xx_t __iomem *iop = &immr->im_ioport;
@@ -539,7 +442,7 @@ static void iop_setup_cmpc885(void)
 	clrbits_be32(&cp->cp_peso, 0x00031980);
 }
 
-static void iop_setup_miae(void)
+void iop_setup_miae(void)
 {
 	immap_t __iomem *immr = (immap_t __iomem *)CONFIG_SYS_IMMR;
 	iop8xx_t __iomem *iop = &immr->im_ioport;
@@ -549,7 +452,7 @@ static void iop_setup_miae(void)
 	udelay(100);
 
 	/* Set the front panel LED color to red */
-	clrbits_8(ADDR_FPGA_R_FAV, 0x02);
+	clrbits_8((unsigned char  __iomem *)CONFIG_FPGA_BASE + 0x44, 0x02);
 
 	/* We must initialize data before changing direction */
 	setbits_be16(&iop->iop_pcdat, 0x0888);
@@ -1007,20 +910,7 @@ int board_early_init_r(void)
 			mdelay(200);
 		}
 
-		/* Identify the type of mother board */
-		switch (in_8(ADDR_FPGA_R_BASE)) {
-		case TYPE_MCR:
-			iop_setup_mcr();
-			break;
-
-		case TYPE_MIAE:
-			iop_setup_miae();
-			break;
-
-		default:
-			break;
-		}
-	/* CMPC885 board alone */
+		iop_setup_common();
 	} else {
 		iop_setup_cmpc885();
 	}
diff --git a/board/cssi/common/common.c b/board/cssi/common/common.c
index de68e23fcd..7ecf772620 100644
--- a/board/cssi/common/common.c
+++ b/board/cssi/common/common.c
@@ -9,8 +9,26 @@
  */
 
 #include <dm.h>
+#include <env.h>
 #include <fdt_support.h>
+#include <hang.h>
 #include <spi.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+
+#include "common.h"
+
+#define ADDR_FPGA_R_BASE		((unsigned char  __iomem *)CONFIG_FPGA_BASE)
+
+#define FPGA_R_ACQ_AL_FAV	0x04
+
+#define TYPE_MCR			0x22
+#define TYPE_MIAE			0x23
+
+#define FAR_CASRSA     2
+#define FAR_VGOIP      4
+#define FAV_CLA        7
+#define FAV_SRSA       8
 
 #define SPI_EEPROM_READ	0x03
 
@@ -36,7 +54,7 @@ static int fdt_set_node_and_value(void *blob, char *node, const char *prop,
 }
 
 /* Checks front/rear id and remove unneeded nodes from the blob */
-void ft_cleanup(void *blob, unsigned long id, const char *prop, const char *compatible)
+static void ft_cleanup(void *blob, unsigned long id, const char *prop, const char *compatible)
 {
 	int off;
 
@@ -95,3 +113,107 @@ int read_eeprom(u8 *din, int len)
 
 	return 0;
 }
+
+int ft_board_setup_common(void *blob)
+{
+	u8 far_id, fav_id;
+
+	if (in_8(ADDR_FPGA_R_BASE) != TYPE_MIAE)
+		return 0;
+
+	far_id = in_8(ADDR_FPGA_R_BASE + 0x43) >> 5;
+	ft_cleanup(blob, far_id, "far-id", "cs,mia-far");
+
+	fav_id = in_8(ADDR_FPGA_R_BASE + 0x44) >> 5;
+
+	if (far_id == FAR_CASRSA && fav_id == FAV_CLA)
+		fav_id = FAV_SRSA;
+
+	ft_cleanup(blob, fav_id, "fav-id", "cs,mia-fav");
+
+	if (far_id == FAR_CASRSA)
+		ft_board_setup_phy3();
+
+	return 0;
+}
+
+int checkboard_common(void)
+{
+	switch (in_8(ADDR_FPGA_R_BASE)) {
+		int far_id;
+	case TYPE_MCR:
+		printf("MCR3000_2G (CS GROUP)\n");
+		break;
+	case TYPE_MIAE:
+		far_id = in_8(ADDR_FPGA_R_BASE + 0x43) >> 5;
+
+		if (far_id == FAR_VGOIP)
+			printf("VGoIP (CS GROUP)\n");
+		else
+			printf("MIAE (CS GROUP)\n");
+
+		break;
+	default:
+		printf("Unknown\n");
+		for (;;)
+			;
+		break;
+	}
+	return 0;
+}
+
+void misc_init_r_common(void)
+{
+	u8 tmp, far_id;
+	int count = 3;
+
+	switch (in_8(ADDR_FPGA_R_BASE)) {
+	case TYPE_MCR:
+		/* if at boot alarm button is pressed, delay boot */
+		if ((in_8(ADDR_FPGA_R_BASE + 0x31) & FPGA_R_ACQ_AL_FAV) == 0)
+			env_set("bootdelay", "60");
+
+		env_set("config", CFG_BOARD_MCR3000_2G);
+		env_set("hostname", CFG_BOARD_MCR3000_2G);
+		break;
+
+	case TYPE_MIAE:
+		do {
+			tmp = in_8(ADDR_FPGA_R_BASE + 0x41);
+			count--;
+			mdelay(10); /* 10msec wait */
+		} while (count && tmp != in_8(ADDR_FPGA_R_BASE + 0x41));
+
+		if (!count) {
+			printf("Cannot read the reset factory switch position\n");
+			hang();
+		}
+
+		if (tmp & 0x1)
+			env_set_default("Factory settings switch ON", 0);
+
+		env_set("config", CFG_BOARD_MIAE);
+		far_id = in_8(ADDR_FPGA_R_BASE + 0x43) >> 5;
+
+		if (far_id == FAR_VGOIP)
+			env_set("hostname", CFG_BOARD_VGOIP);
+		else
+			env_set("hostname", CFG_BOARD_MIAE);
+		break;
+
+	default:
+		env_set("config", CFG_BOARD_CMPCXXX);
+		env_set("hostname", CFG_BOARD_CMPCXXX);
+		break;
+	}
+}
+
+void iop_setup_common(void)
+{
+	u8 type = in_8(ADDR_FPGA_R_BASE);
+
+	if (type == TYPE_MCR)
+		iop_setup_mcr();
+	else if (type == TYPE_MIAE)
+		iop_setup_miae();
+}
diff --git a/board/cssi/common/common.h b/board/cssi/common/common.h
index 9660898cc9..c5ecb038c9 100644
--- a/board/cssi/common/common.h
+++ b/board/cssi/common/common.h
@@ -3,7 +3,13 @@
 #ifndef _BOARD_CSSI_COMMON_H
 #define _BOARD_CSSI_COMMON_H
 
-void ft_cleanup(void *blob, unsigned long id, const char *prop, const char *compatible);
 int read_eeprom(u8 *din, int len);
+int ft_board_setup_common(void *blob);
+void ft_board_setup_phy3(void);
+int checkboard_common(void);
+void misc_init_r_common(void);
+void iop_setup_common(void);
+void iop_setup_mcr(void);
+void iop_setup_miae(void);
 
 #endif /* _BOARD_CSSI_COMMON_H */