ARM: Add cache-l2x0 definitions

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 149 insertions, 4 deletions

diff --git a/board/pcm043/pcm043.c b/board/pcm043/pcm043.c
index 60e8480e02..cc241a3180 100644
--- a/board/pcm043/pcm043.c
+++ b/board/pcm043/pcm043.c
@@ -34,6 +34,13 @@
 #include <asm/mach-types.h>
 #include <asm/arch/imx-nand.h>
 #include <fec.h>
+#include "redboot.h"
+
+#define CYG_MACRO_START
+#define CYG_MACRO_END
+#define ARM_MMU_FIRST_LEVEL_SECTION_ID 0x2
+#define ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, table_index) \
+        (unsigned long *)((unsigned long)(ttb_base) + ((table_index) << 2))
 
 /*
  * Up to 32MiB NOR type flash, connected to
@@ -81,9 +88,10 @@ static struct device_d nand_dev = {
 
 static int imx35_devices_init(void)
 {
-	__REG(CSCR_U(0)) = 0x0000cf03; /* CS0: Nor Flash from pcm037*/
-	__REG(CSCR_L(0)) = 0x10000d03;
-	__REG(CSCR_A(0)) = 0x00720900;
+	/* CS0: Nor Flash */
+	writel(0x0000cf03, CSCR_U(0));
+	writel(0x10000d03, CSCR_L(0));
+	writel(0x00720900, CSCR_A(0));
 
 	/* setup pins for I2C1 (for EEPROM, RTC) */
 	imx_gpio_mode(MUX_I2C1_CLK_I2C1_SLC);
@@ -125,7 +133,7 @@ static int imx35_devices_init(void)
 	register_device(&fec_dev);
 
 	register_device(&sdram0_dev);
-	
+
 	armlinux_set_bootparams((void *)0x80000100);
 	armlinux_set_architecture(MACH_TYPE_PCM043);
 
@@ -155,3 +163,88 @@ static int imx35_console_init(void)
 }
 
 console_initcall(imx35_console_init);
+
+static int pcm043_core_setup(void)
+{
+	u32 tmp;
+
+	/* AIPS setup - Only setup MPROTx registers. The PACR default values are good.*/
+	/*
+	 * Set all MPROTx to be non-bufferable, trusted for R/W,
+	 * not forced to user-mode.
+	 */
+	writel(0x77777777, IMX_AIPS1_BASE);
+	writel(0x77777777, IMX_AIPS1_BASE + 0x4);
+	writel(0x77777777, IMX_AIPS2_BASE);
+	writel(0x77777777, IMX_AIPS2_BASE + 0x4);
+
+	/*
+	 * Clear the on and off peripheral modules Supervisor Protect bit
+	 * for SDMA to access them. Did not change the AIPS control registers
+	 * (offset 0x20) access type
+	 */
+	writel(0x0, IMX_AIPS1_BASE + 0x40);
+	writel(0x0, IMX_AIPS1_BASE + 0x44);
+	writel(0x0, IMX_AIPS1_BASE + 0x48);
+	writel(0x0, IMX_AIPS1_BASE + 0x4C);
+	tmp = readl(IMX_AIPS1_BASE + 0x50);
+	tmp &= 0x00FFFFFF;
+	writel(tmp, IMX_AIPS1_BASE + 0x50);
+
+	writel(0x0, IMX_AIPS2_BASE + 0x40);
+	writel(0x0, IMX_AIPS2_BASE + 0x44);
+	writel(0x0, IMX_AIPS2_BASE + 0x48);
+	writel(0x0, IMX_AIPS2_BASE + 0x4C);
+	tmp = readl(IMX_AIPS2_BASE + 0x50);
+	tmp &= 0x00FFFFFF;
+	writel(tmp, IMX_AIPS2_BASE + 0x50);
+
+	/* MAX (Multi-Layer AHB Crossbar Switch) setup */
+
+	/* MPR - priority is M4 > M2 > M3 > M5 > M0 > M1 */
+#define MAX_PARAM1 0x00302154
+	writel(MAX_PARAM1, IMX_MAX_BASE + 0x0);   /* for S0 */
+	writel(MAX_PARAM1, IMX_MAX_BASE + 0x100); /* for S1 */
+	writel(MAX_PARAM1, IMX_MAX_BASE + 0x200); /* for S2 */
+	writel(MAX_PARAM1, IMX_MAX_BASE + 0x300); /* for S3 */
+	writel(MAX_PARAM1, IMX_MAX_BASE + 0x400); /* for S4 */
+
+	/* SGPCR - always park on last master */
+	writel(0x10, IMX_MAX_BASE + 0x10);	/* for S0 */
+	writel(0x10, IMX_MAX_BASE + 0x110);	/* for S1 */
+	writel(0x10, IMX_MAX_BASE + 0x210);	/* for S2 */
+	writel(0x10, IMX_MAX_BASE + 0x310);	/* for S3 */
+	writel(0x10, IMX_MAX_BASE + 0x410);	/* for S4 */
+
+	/* MGPCR - restore default values */
+	writel(0x0, IMX_MAX_BASE + 0x800);	/* for M0 */
+	writel(0x0, IMX_MAX_BASE + 0x900);	/* for M1 */
+	writel(0x0, IMX_MAX_BASE + 0xa00);	/* for M2 */
+	writel(0x0, IMX_MAX_BASE + 0xb00);	/* for M3 */
+	writel(0x0, IMX_MAX_BASE + 0xc00);	/* for M4 */
+	writel(0x0, IMX_MAX_BASE + 0xd00);	/* for M5 */
+
+	writel(0x0000DCF6, CSCR_U(0)); /* CS0: NOR Flash */
+	writel(0x444A4541, CSCR_L(0));
+	writel(0x44443302, CSCR_A(0));
+
+	/*
+	 * M3IF Control Register (M3IFCTL)
+	 * MRRP[0] = L2CC0 not on priority list (0 << 0)	= 0x00000000
+	 * MRRP[1] = MAX1 not on priority list (0 << 0)		= 0x00000000
+	 * MRRP[2] = L2CC1 not on priority list (0 << 0)	= 0x00000000
+	 * MRRP[3] = USB  not on priority list (0 << 0)		= 0x00000000
+	 * MRRP[4] = SDMA not on priority list (0 << 0)		= 0x00000000
+	 * MRRP[5] = GPU not on priority list (0 << 0)		= 0x00000000
+	 * MRRP[6] = IPU1 on priority list (1 << 6)		= 0x00000040
+	 * MRRP[7] = IPU2 not on priority list (0 << 0)		= 0x00000000
+	 *                                                       ------------
+	 *                                                        0x00000040
+	 */
+	writel(0x40, IMX_M3IF_BASE);
+
+	return 0;
+}
+
+core_initcall(pcm043_core_setup);
+
diff --git a/include/asm-arm/cache-l2x0.h b/include/asm-arm/cache-l2x0.h
new file mode 100644
index 0000000000..19c3ba42ae
--- /dev/null
+++ b/include/asm-arm/cache-l2x0.h
@@ -0,0 +1,52 @@
+/*
+ * arch/arm/include/asm/hardware/cache-l2x0.h
+ *
+ * Copyright (C) 2007 ARM Limited
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __ASM_ARM_HARDWARE_L2X0_H
+#define __ASM_ARM_HARDWARE_L2X0_H
+
+#define L2X0_CACHE_ID                   0x000
+#define L2X0_CACHE_TYPE                 0x004
+#define L2X0_CTRL                       0x100
+#define L2X0_AUX_CTRL                   0x104
+#define L2X0_EVENT_CNT_CTRL             0x200
+#define L2X0_EVENT_CNT1_CFG             0x204
+#define L2X0_EVENT_CNT0_CFG             0x208
+#define L2X0_EVENT_CNT1_VAL             0x20C
+#define L2X0_EVENT_CNT0_VAL             0x210
+#define L2X0_INTR_MASK                  0x214
+#define L2X0_MASKED_INTR_STAT           0x218
+#define L2X0_RAW_INTR_STAT              0x21C
+#define L2X0_INTR_CLEAR                 0x220
+#define L2X0_CACHE_SYNC                 0x730
+#define L2X0_INV_LINE_PA                0x770
+#define L2X0_INV_WAY                    0x77C
+#define L2X0_CLEAN_LINE_PA              0x7B0
+#define L2X0_CLEAN_LINE_IDX             0x7B8
+#define L2X0_CLEAN_WAY                  0x7BC
+#define L2X0_CLEAN_INV_LINE_PA          0x7F0
+#define L2X0_CLEAN_INV_LINE_IDX         0x7F8
+#define L2X0_CLEAN_INV_WAY              0x7FC
+#define L2X0_LOCKDOWN_WAY_D             0x900
+#define L2X0_LOCKDOWN_WAY_I             0x904
+#define L2X0_TEST_OPERATION             0xF00
+#define L2X0_LINE_DATA                  0xF10
+#define L2X0_LINE_TAG                   0xF30
+#define L2X0_DEBUG_CTRL                 0xF40
+
+#endif