3 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * configuration options, keymile 8xx board specific
28 #ifndef __CONFIG_KM8XX_H
29 #define __CONFIG_KM8XX_H
32 * High Level Configuration Options
36 #define CONFIG_KM8XX 1 /* on a km8xx board */
38 /* include common defines/options for all Keymile boards */
39 #include "keymile-common.h"
41 #if defined(CONFIG_KMSUPX4)
42 #undef CONFIG_I2C_MUX /* no I2C mux on this board */
45 #define CONFIG_8xx_GCLK_FREQ 66000000
47 #define CONFIG_SYS_SMC_UCODE_PATCH 1 /* Relocate SMC1 */
48 #define CONFIG_SYS_SMC_DPMEM_OFFSET 0x1fc0
49 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
50 #define CONFIG_SYS_SMC_RXBUFLEN 128
51 #define CONFIG_SYS_MAXIDLE 10
53 #define CONFIG_SYS_CPM_BOOTCOUNT_ADDR 0x1eb0 /* In case of SMC relocation,
54 * the default value is not
58 #define BOOTFLASH_START F0000000
59 #define CONFIG_PRAM 512 /* protected RAM [KBytes] */
61 #define CONFIG_PREBOOT "echo;" \
62 "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
65 #define BOOTFLASH_START F0000000
66 #define CONFIG_PRAM 512 /* protected RAM [KBytes] */
68 #if defined(CONFIG_MGSUVD)
69 #define CONFIG_ENV_IVM "EEprom_ivm=pca9544a:70:4 \0"
71 #define CONFIG_ENV_IVM ""
74 #define MTDIDS_DEFAULT "nor0=app"
75 #define MTDPARTS_DEFAULT \
76 "mtdparts=app:384k(u-boot),128k(env),128k(envred),128k(free)," \
77 "1536k(esw0),8704k(rootfs0),1536k(esw1),2432k(rootfs1),640k(var)," \
80 #define CONFIG_EXTRA_ENV_SETTINGS \
82 "rootpath=/opt/eldk/ppc_8xx\0" \
83 "addcon=setenv bootargs ${bootargs} " \
84 "console=ttyCPM0,${baudrate}\0" \
85 "mtdids=nor0=app \0" \
86 "mtdparts=" MK_STR(MTDPARTS_DEFAULT) "\0" \
87 "partition=nor0,9 \0" \
88 "new_env=prot off F0060000 F009FFFF; era F0060000 F009FFFF \0" \
92 #undef CONFIG_RTC_MPC8xx /* MPC866 does not support RTC */
94 #define CONFIG_TIMESTAMP /* but print image timestmps */
97 * Low Level Configuration Settings
98 * (address mappings, register initial values, etc.)
99 * You should know what you are doing if you make changes here.
101 /*-----------------------------------------------------------------------
102 * Internal Memory Mapped Register
104 #define CONFIG_SYS_IMMR 0xFFF00000
106 /*-----------------------------------------------------------------------
107 * Definitions for initial stack pointer and data area (in DPRAM)
109 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
110 #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */
111 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
112 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
114 /*-----------------------------------------------------------------------
115 * Start addresses for the final memory configuration
116 * (Set up by the startup code)
117 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
119 #define CONFIG_SYS_SDRAM_BASE 0x00000000
120 #define CONFIG_SYS_FLASH_BASE 0xf0000000
121 #define CONFIG_SYS_MONITOR_LEN (384 << 10) /* 384 kB for Monitor */
122 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
125 * For booting Linux, the board info and command line data
126 * have to be in the first 8 MB of memory, since this is
127 * the maximum mapped by the Linux kernel during initialization.
129 #define CONFIG_SYS_BOOTMAPSZ (8 << 20)
131 /*-----------------------------------------------------------------------
134 /* max number of memory banks */
135 #define CONFIG_SYS_MAX_FLASH_BANKS 1
136 #define CONFIG_SYS_FLASH_SIZE 32
137 #define CONFIG_SYS_FLASH_CFI
138 #define CONFIG_FLASH_CFI_DRIVER
139 /* max num of sects on one chip */
140 #define CONFIG_SYS_MAX_FLASH_SECT 256
142 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* (in ms) */
143 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* (in ms) */
145 #define CONFIG_ENV_IS_IN_FLASH 1
146 #define CONFIG_ENV_OFFSET CONFIG_SYS_MONITOR_LEN
147 #define CONFIG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment Sector */
149 /* Address and size of Redundant Environment Sector */
150 #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET+CONFIG_ENV_SECT_SIZE)
151 #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
152 #define CONFIG_ENV_BUFFER_PRINT 1
154 /*-----------------------------------------------------------------------
155 * Cache Configuration
157 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
158 #if defined(CONFIG_CMD_KGDB)
159 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
162 /*-----------------------------------------------------------------------
163 * SYPCR - System Protection Control 11-9
164 * SYPCR can only be written once after reset!
165 *-----------------------------------------------------------------------
166 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
168 #define CONFIG_SYS_SYPCR 0xffffff89
170 /*-----------------------------------------------------------------------
171 * SIUMCR - SIU Module Configuration 11-6
172 *-----------------------------------------------------------------------
174 #if defined(CONFIG_MGSUVD)
175 #define CONFIG_SYS_SIUMCR 0x00610480
177 #define CONFIG_SYS_SIUMCR 0x00610400
180 /*-----------------------------------------------------------------------
181 * TBSCR - Time Base Status and Control 11-26
182 *-----------------------------------------------------------------------
183 * Clear Reference Interrupt Status, Timebase freezing enabled
185 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
187 /*-----------------------------------------------------------------------
188 * PISCR - Periodic Interrupt Status and Control 11-31
189 *-----------------------------------------------------------------------
190 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
192 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
194 /*-----------------------------------------------------------------------
195 * SCCR - System Clock and reset Control Register 15-27
196 *-----------------------------------------------------------------------
197 * Set clock output, timebase and RTC source and divider,
198 * power management and some other internal clocks
200 #if defined(CONFIG_MGSUVD)
201 #define SCCR_MASK 0x01800000
203 #define SCCR_MASK 0x00000000
205 #define CONFIG_SYS_SCCR 0x01800000
207 #define CONFIG_SYS_DER 0
210 * Init Memory Controller:
212 * BR0/1 and OR0/1 (FLASH)
215 #define FLASH_BASE0_PRELIM 0xf0000000 /* FLASH bank #0 */
217 /* used to re-map FLASH both when starting from SRAM or FLASH:
218 * restrict access enough to keep SRAM working (if any)
219 * but not too much to meddle with FLASH accesses
221 #define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */
222 #define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */
225 * FLASH timing: Default value of OR0 after reset
227 #define CONFIG_SYS_OR0_PRELIM 0xfe000954
228 #define CONFIG_SYS_BR0_PRELIM 0xf0000401
231 * BR1 and OR1 (SDRAM)
234 #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank #0 */
235 #define SDRAM_MAX_SIZE (64 << 20) /* max 64 MB per bank */
237 /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
238 #define CONFIG_SYS_OR_TIMING_SDRAM 0x00000A00
240 #define CONFIG_SYS_OR1_PRELIM 0xfc000800
241 #define CONFIG_SYS_BR1_PRELIM (0x000000C0 | 0x01)
243 #define CONFIG_SYS_MPTPR 0x0200
244 /* PTB=16, AMB=001, FIXME 1 RAS precharge cycles, 1 READ loop cycle (not used),
245 1 Write loop Cycle (not used), 1 Timer Loop Cycle */
246 #if defined(CONFIG_MGSUVD)
247 #define CONFIG_SYS_MBMR 0x10964111
249 #define CONFIG_SYS_MBMR 0x20964111
251 #define CONFIG_SYS_MAR 0x00000088
254 * 4096 Rows from SDRAM example configuration
255 * 1000 factor s -> ms
256 * 64 PTP (pre-divider from MPTPR) from SDRAM example configuration
257 * 4 Number of refresh cycles per period
258 * 64 Refresh cycle in ms per number of rows
260 #define CONFIG_SYS_PTA_PER_CLK ((4096 * 64 * 1000) / (4 * 64))
262 /* GPIO/PIGGY on CS3 initialization values
264 #define CONFIG_SYS_PIGGY_BASE (0x30000000)
265 #if defined(CONFIG_MGSUVD)
266 #define CONFIG_SYS_OR3_PRELIM (0xfe000d24)
267 #define CONFIG_SYS_BR3_PRELIM (0x30000401)
269 #define CONFIG_SYS_OR3_PRELIM (0xf8000d26)
270 #define CONFIG_SYS_BR3_PRELIM (0x30000401)
273 #define CONFIG_SCC3_ENET
274 #define CONFIG_ETHPRIME "SCC"
275 #define CONFIG_HAS_ETH0
277 /* pass open firmware flat tree */
278 #define CONFIG_OF_LIBFDT 1
279 #define CONFIG_OF_BOARD_SETUP 1
281 #define OF_STDOUT_PATH "/soc/cpm/serial@a80"
283 /* enable I2C and select the hardware/software driver */
284 #undef CONFIG_HARD_I2C /* I2C with hardware support */
285 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
286 /* I2C speed and slave address */
287 #define CONFIG_SYS_I2C_SPEED 50000
288 #define CONFIG_SYS_I2C_SLAVE 0x7F
289 #define I2C_SOFT_DECLARATIONS
292 * Software (bit-bang) I2C driver configuration
294 #define I2C_BASE_DIR ((u16 *)(CONFIG_SYS_PIGGY_BASE + 0x04))
295 #define I2C_BASE_PORT ((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x09))
299 #define SDA_CONF 0x1000
300 #define SCL_CONF 0x2000
302 #define I2C_ACTIVE do {} while (0)
303 #define I2C_TRISTATE do {} while (0)
304 #define I2C_READ ((in_8(I2C_BASE_PORT) & SDA_BIT) == SDA_BIT)
305 #define I2C_SDA(bit) if(bit) { \
306 clrbits(be16, I2C_BASE_DIR, SDA_CONF); \
308 clrbits(8, I2C_BASE_PORT, SDA_BIT); \
309 setbits(be16, I2C_BASE_DIR, SDA_CONF); \
311 #define I2C_SCL(bit) if(bit) { \
312 clrbits(be16, I2C_BASE_DIR, SCL_CONF); \
314 clrbits(8, I2C_BASE_PORT, SCL_BIT); \
315 setbits(be16, I2C_BASE_DIR, SCL_CONF); \
317 #define I2C_DELAY udelay(50) /* 1/4 I2C clock duration */
319 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
321 /* I2C SYSMON (LM75, AD7414 is almost compatible) */
322 #define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */
323 #if defined(CONFIG_MGSUVD)
324 #define CONFIG_DTT_SENSORS {0, 2, 4, 6} /* Sensor addresses */
326 #define CONFIG_DTT_SENSORS {0} /* Sensor addresses */
328 #define CONFIG_SYS_DTT_MAX_TEMP 70
329 #define CONFIG_SYS_DTT_LOW_TEMP -30
330 #define CONFIG_SYS_DTT_HYSTERESIS 3
331 #define CONFIG_SYS_DTT_BUS_NUM (CONFIG_SYS_MAX_I2C_BUS)
332 #endif /* __CONFIG_KM8XX_H */