trunk-47381HEADmaster

1 files changed, 190 insertions, 0 deletions

diff --git a/package/kernel/lantiq/ltq-atm/src/ifxmips_atm_vr9.c b/package/kernel/lantiq/ltq-atm/src/ifxmips_atm_vr9.c
new file mode 100644
index 0000000..89c71e3
--- /dev/null
+++ b/package/kernel/lantiq/ltq-atm/src/ifxmips_atm_vr9.c
@@ -0,0 +1,190 @@
+/******************************************************************************
+**
+** FILE NAME    : ifxmips_atm_vr9.c
+** PROJECT      : UEIP
+** MODULES      : ATM
+**
+** DATE         : 7 Jul 2009
+** AUTHOR       : Xu Liang
+** DESCRIPTION  : ATM driver common source file (core functions)
+** COPYRIGHT    :       Copyright (c) 2006
+**                      Infineon Technologies AG
+**                      Am Campeon 1-12, 85579 Neubiberg, Germany
+**
+**    This program is free software; you can redistribute it and/or modify
+**    it under the terms of the GNU General Public License as published by
+**    the Free Software Foundation; either version 2 of the License, or
+**    (at your option) any later version.
+**
+** HISTORY
+** $Date        $Author         $Comment
+** 07 JUL 2009  Xu Liang        Init Version
+*******************************************************************************/
+
+
+
+/*
+ * ####################################
+ *              Head File
+ * ####################################
+ */
+
+/*
+ *  Common Head File
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/proc_fs.h>
+#include <linux/init.h>
+#include <linux/ioctl.h>
+#include <asm/delay.h>
+
+#include "ifxmips_atm_core.h"
+#include "ifxmips_atm_fw_vr9.h"
+
+#ifdef CONFIG_VR9
+
+#include <lantiq_soc.h>
+
+#define IFX_PMU_MODULE_PPE_SLL01  BIT(19)
+#define IFX_PMU_MODULE_PPE_TC     BIT(21)
+#define IFX_PMU_MODULE_PPE_EMA    BIT(22)
+#define IFX_PMU_MODULE_PPE_QSB    BIT(18)
+#define IFX_PMU_MODULE_AHBS       BIT(13)
+#define IFX_PMU_MODULE_DSL_DFE    BIT(9)
+
+static inline void vr9_reset_ppe(void)
+{
+/*#ifdef MODULE
+	//  reset PPE
+	ifx_rcu_rst(IFX_RCU_DOMAIN_DSLDFE, IFX_RCU_MODULE_ATM);
+	udelay(1000);
+	ifx_rcu_rst(IFX_RCU_DOMAIN_DSLTC, IFX_RCU_MODULE_ATM);
+	udelay(1000);
+	ifx_rcu_rst(IFX_RCU_DOMAIN_PPE, IFX_RCU_MODULE_ATM);
+	udelay(1000);
+	*PP32_SRST &= ~0x000303CF;
+	udelay(1000);
+	*PP32_SRST |= 0x000303CF;
+	udelay(1000);
+#endif*/
+}
+
+static inline int vr9_pp32_download_code(int pp32, u32 *code_src, unsigned int code_dword_len, u32 *data_src, unsigned int data_dword_len)
+{
+	unsigned int clr, set;
+	volatile u32 *dest;
+
+	if ( code_src == 0 || ((unsigned long)code_src & 0x03) != 0
+			|| data_src == 0 || ((unsigned long)data_src & 0x03) != 0 )
+		return -1;
+
+	clr = pp32 ? 0xF0 : 0x0F;
+	if ( code_dword_len <= CDM_CODE_MEMORYn_DWLEN(0) )
+		set = pp32 ? (3 << 6): (2 << 2);
+	else
+		set = 0x00;
+	IFX_REG_W32_MASK(clr, set, CDM_CFG);
+
+	dest = CDM_CODE_MEMORY(pp32, 0);
+	while ( code_dword_len-- > 0 )
+		IFX_REG_W32(*code_src++, dest++);
+
+	dest = CDM_DATA_MEMORY(pp32, 0);
+	while ( data_dword_len-- > 0 )
+		IFX_REG_W32(*data_src++, dest++);
+
+	return 0;
+}
+
+static void vr9_fw_ver(unsigned int *major, unsigned int *minor)
+{
+
+    *major = FW_VER_ID->major;
+    *minor = FW_VER_ID->minor;
+}
+
+static void vr9_init(void)
+{
+	volatile u32 *p;
+	unsigned int i;
+
+	/* setup pmu */
+	ltq_pmu_enable(IFX_PMU_MODULE_PPE_SLL01 |
+		IFX_PMU_MODULE_PPE_TC |
+		IFX_PMU_MODULE_PPE_EMA |
+		IFX_PMU_MODULE_PPE_QSB |
+		IFX_PMU_MODULE_AHBS |
+		IFX_PMU_MODULE_DSL_DFE);
+
+	vr9_reset_ppe();
+
+	/* pdma init */
+	IFX_REG_W32(0x08,       PDMA_CFG);
+	IFX_REG_W32(0x00203580, SAR_PDMA_RX_CMDBUF_CFG);
+	IFX_REG_W32(0x004035A0, SAR_PDMA_RX_FW_CMDBUF_CFG);
+
+	/* mailbox init */
+	IFX_REG_W32(0xFFFFFFFF, MBOX_IGU1_ISRC);
+	IFX_REG_W32(0x00000000, MBOX_IGU1_IER);
+	IFX_REG_W32(0xFFFFFFFF, MBOX_IGU3_ISRC);
+	IFX_REG_W32(0x00000000, MBOX_IGU3_IER);
+
+	/* tc init - clear sync state */
+	*SFSM_STATE0 = 0;
+	*SFSM_STATE1 = 0;
+
+	/* init shared buffer */
+	p = SB_RAM0_ADDR(0);
+	for ( i = 0; i < SB_RAM0_DWLEN + SB_RAM1_DWLEN + SB_RAM2_DWLEN + SB_RAM3_DWLEN; i++ )
+		IFX_REG_W32(0, p++);
+
+	p = SB_RAM6_ADDR(0);
+	for ( i = 0; i < SB_RAM6_DWLEN; i++ )
+		IFX_REG_W32(0, p++);
+}
+
+static void vr9_shutdown(void)
+{
+}
+
+static int vr9_start(int pp32)
+{
+	unsigned int mask = 1 << (pp32 << 4);
+	int ret;
+
+	/*  download firmware   */
+	ret = vr9_pp32_download_code(pp32,
+		vr9_fw_bin, sizeof(vr9_fw_bin) / sizeof(*vr9_fw_bin),
+		vr9_fw_data, sizeof(vr9_fw_data) / sizeof(*vr9_fw_data));
+	if ( ret != 0 )
+		return ret;
+
+	/*  run PP32    */
+	IFX_REG_W32_MASK(mask, 0, PP32_FREEZE);
+
+	/*  idle for a while to let PP32 init itself    */
+	udelay(10);
+
+	return 0;
+}
+
+static void vr9_stop(int pp32)
+{
+	unsigned int mask = 1 << (pp32 << 4);
+
+	IFX_REG_W32_MASK(0, mask, PP32_FREEZE);
+}
+
+struct ltq_atm_ops vr9_ops = {
+	.init = vr9_init,
+	.shutdown = vr9_shutdown,
+	.start = vr9_start,
+	.stop = vr9_stop,
+	.fw_ver = vr9_fw_ver,
+};
+
+#endif