mirror of https://github.com/hak5/openwrt-owl.git
143 lines
5.4 KiB
Diff
143 lines
5.4 KiB
Diff
From b7d9f9cd6a8e463c1061ea29ed3e614403625024 Mon Sep 17 00:00:00 2001
|
|
From: Hauke Mehrtens <hauke@hauke-m.de>
|
|
Date: Sun, 17 Jul 2011 14:51:47 +0200
|
|
Subject: [PATCH 12/26] bcma: move parallel flash into a union
|
|
|
|
|
|
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
|
|
---
|
|
arch/mips/bcm47xx/nvram.c | 3 +
|
|
drivers/bcma/driver_mips.c | 1 +
|
|
include/linux/bcma/bcma_driver_chipcommon.h | 73 ++++++++++++++++++++++++++-
|
|
3 files changed, 76 insertions(+), 1 deletions(-)
|
|
|
|
--- a/arch/mips/bcm47xx/nvram.c
|
|
+++ b/arch/mips/bcm47xx/nvram.c
|
|
@@ -50,6 +50,9 @@ static void early_nvram_init(void)
|
|
#ifdef CONFIG_BCM47XX_BCMA
|
|
case BCM47XX_BUS_TYPE_BCMA:
|
|
bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
|
|
+ if (bcma_cc->flash_type != BCMA_PFLASH)
|
|
+ return;
|
|
+
|
|
base = bcma_cc->pflash.window;
|
|
lim = bcma_cc->pflash.window_size;
|
|
break;
|
|
--- a/drivers/bcma/driver_mips.c
|
|
+++ b/drivers/bcma/driver_mips.c
|
|
@@ -189,6 +189,7 @@ static void bcma_core_mips_flash_detect(
|
|
break;
|
|
case BCMA_CC_FLASHT_PARA:
|
|
pr_info("found parallel flash.\n");
|
|
+ bus->drv_cc.flash_type = BCMA_PFLASH;
|
|
bus->drv_cc.pflash.window = 0x1c000000;
|
|
bus->drv_cc.pflash.window_size = 0x02000000;
|
|
|
|
--- a/include/linux/bcma/bcma_driver_chipcommon.h
|
|
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
|
|
@@ -108,10 +108,68 @@
|
|
#define BCMA_CC_JCTL_EXT_EN 2 /* Enable external targets */
|
|
#define BCMA_CC_JCTL_EN 1 /* Enable Jtag master */
|
|
#define BCMA_CC_FLASHCTL 0x0040
|
|
+
|
|
+/* Start/busy bit in flashcontrol */
|
|
+#define BCMA_CC_FLASHCTL_OPCODE 0x000000ff
|
|
+#define BCMA_CC_FLASHCTL_ACTION 0x00000700
|
|
+#define BCMA_CC_FLASHCTL_CS_ACTIVE 0x00001000 /* Chip Select Active, rev >= 20 */
|
|
#define BCMA_CC_FLASHCTL_START 0x80000000
|
|
#define BCMA_CC_FLASHCTL_BUSY BCMA_CC_FLASHCTL_START
|
|
+
|
|
+/* flashcontrol action+opcodes for ST flashes */
|
|
+#define BCMA_CC_FLASHCTL_ST_WREN 0x0006 /* Write Enable */
|
|
+#define BCMA_CC_FLASHCTL_ST_WRDIS 0x0004 /* Write Disable */
|
|
+#define BCMA_CC_FLASHCTL_ST_RDSR 0x0105 /* Read Status Register */
|
|
+#define BCMA_CC_FLASHCTL_ST_WRSR 0x0101 /* Write Status Register */
|
|
+#define BCMA_CC_FLASHCTL_ST_READ 0x0303 /* Read Data Bytes */
|
|
+#define BCMA_CC_FLASHCTL_ST_PP 0x0302 /* Page Program */
|
|
+#define BCMA_CC_FLASHCTL_ST_SE 0x02d8 /* Sector Erase */
|
|
+#define BCMA_CC_FLASHCTL_ST_BE 0x00c7 /* Bulk Erase */
|
|
+#define BCMA_CC_FLASHCTL_ST_DP 0x00b9 /* Deep Power-down */
|
|
+#define BCMA_CC_FLASHCTL_ST_RES 0x03ab /* Read Electronic Signature */
|
|
+#define BCMA_CC_FLASHCTL_ST_CSA 0x1000 /* Keep chip select asserted */
|
|
+#define BCMA_CC_FLASHCTL_ST_SSE 0x0220 /* Sub-sector Erase */
|
|
+
|
|
+
|
|
+/* flashcontrol action+opcodes for Atmel flashes */
|
|
+#define BCMA_CC_FLASHCTL_AT_READ 0x07e8
|
|
+#define BCMA_CC_FLASHCTL_AT_PAGE_READ 0x07d2
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF1_READ
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF2_READ
|
|
+#define BCMA_CC_FLASHCTL_AT_STATUS 0x01d7
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF1_WRITE 0x0384
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF2_WRITE 0x0387
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF1_ERASE_PROGRAM 0x0283
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF2_ERASE_PROGRAM 0x0286
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF1_PROGRAM 0x0288
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF2_PROGRAM 0x0289
|
|
+#define BCMA_CC_FLASHCTL_AT_PAGE_ERASE 0x0281
|
|
+#define BCMA_CC_FLASHCTL_AT_BLOCK_ERASE 0x0250
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF1_WRITE_ERASE_PROGRAM 0x0382
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF2_WRITE_ERASE_PROGRAM 0x0385
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF1_LOAD 0x0253
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF2_LOAD 0x0255
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF1_COMPARE 0x0260
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF2_COMPARE 0x0261
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF1_REPROGRAM 0x0258
|
|
+#define BCMA_CC_FLASHCTL_AT_BUF2_REPROGRAM 0x0259
|
|
+
|
|
#define BCMA_CC_FLASHADDR 0x0044
|
|
#define BCMA_CC_FLASHDATA 0x0048
|
|
+
|
|
+/* Status register bits for ST flashes */
|
|
+#define BCMA_CC_FLASHDATA_ST_WIP 0x01 /* Write In Progress */
|
|
+#define BCMA_CC_FLASHDATA_ST_WEL 0x02 /* Write Enable Latch */
|
|
+#define BCMA_CC_FLASHDATA_ST_BP_MASK 0x1c /* Block Protect */
|
|
+#define BCMA_CC_FLASHDATA_ST_BP_SHIFT 2
|
|
+#define BCMA_CC_FLASHDATA_ST_SRWD 0x80 /* Status Register Write Disable */
|
|
+
|
|
+/* Status register bits for Atmel flashes */
|
|
+#define BCMA_CC_FLASHDATA_AT_READY 0x80
|
|
+#define BCMA_CC_FLASHDATA_AT_MISMATCH 0x40
|
|
+#define BCMA_CC_FLASHDATA_AT_ID_MASK 0x38
|
|
+#define BCMA_CC_FLASHDATA_AT_ID_SHIFT 3
|
|
+
|
|
#define BCMA_CC_BCAST_ADDR 0x0050
|
|
#define BCMA_CC_BCAST_DATA 0x0054
|
|
#define BCMA_CC_GPIOPULLUP 0x0058 /* Rev >= 20 only */
|
|
@@ -283,6 +341,12 @@
|
|
#define BCMA_CC_PPL_PCHI_OFF 5
|
|
#define BCMA_CC_PPL_PCHI_MASK 0x0000003f
|
|
|
|
+#define BCMA_FLASH2 0x1c000000 /* Flash Region 2 (region 1 shadowed here) */
|
|
+#define BCMA_FLASH2_SZ 0x02000000 /* Size of Flash Region 2 */
|
|
+#define BCMA_FLASH1 0x1fc00000 /* MIPS Flash Region 1 */
|
|
+#define BCMA_FLASH1_SZ 0x00400000 /* MIPS Size of Flash Region 1 */
|
|
+
|
|
+
|
|
/* Data for the PMU, if available.
|
|
* Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
|
|
*/
|
|
@@ -292,6 +356,10 @@ struct bcma_chipcommon_pmu {
|
|
};
|
|
|
|
#ifdef CONFIG_BCMA_DRIVER_MIPS
|
|
+enum bcma_flash_type {
|
|
+ BCMA_PFLASH,
|
|
+};
|
|
+
|
|
struct bcma_pflash {
|
|
u8 buswidth;
|
|
u32 window;
|
|
@@ -317,7 +385,10 @@ struct bcma_drv_cc {
|
|
u16 fast_pwrup_delay;
|
|
struct bcma_chipcommon_pmu pmu;
|
|
#ifdef CONFIG_BCMA_DRIVER_MIPS
|
|
- struct bcma_pflash pflash;
|
|
+ enum bcma_flash_type flash_type;
|
|
+ union {
|
|
+ struct bcma_pflash pflash;
|
|
+ };
|
|
|
|
int nr_serial_ports;
|
|
struct bcma_serial_port serial_ports[4];
|