8 * See file CREDITS for list of people who contributed to this
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 * pf5200.c - main board support/init for the esd pf5200.
37 #include "mt46v16m16-75.h"
39 void init_power_switch(void);
41 static void sdram_start(int hi_addr)
43 long hi_addr_bit = hi_addr ? 0x01000000 : 0;
45 /* unlock mode register */
46 *(vu_long *) MPC5XXX_SDRAM_CTRL =
47 SDRAM_CONTROL | 0x80000000 | hi_addr_bit;
48 __asm__ volatile ("sync");
50 /* precharge all banks */
51 *(vu_long *) MPC5XXX_SDRAM_CTRL =
52 SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
53 __asm__ volatile ("sync");
55 /* set mode register: extended mode */
56 *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
57 __asm__ volatile ("sync");
59 /* set mode register: reset DLL */
60 *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
61 __asm__ volatile ("sync");
63 /* precharge all banks */
64 *(vu_long *) MPC5XXX_SDRAM_CTRL =
65 SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
66 __asm__ volatile ("sync");
69 *(vu_long *) MPC5XXX_SDRAM_CTRL =
70 SDRAM_CONTROL | 0x80000004 | hi_addr_bit;
71 __asm__ volatile ("sync");
73 /* set mode register */
74 *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE;
75 __asm__ volatile ("sync");
77 /* normal operation */
78 *(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
79 __asm__ volatile ("sync");
83 * ATTENTION: Although partially referenced initdram does NOT make real use
84 * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE
85 * is something else than 0x00000000.
88 phys_size_t initdram(int board_type)
93 /* setup SDRAM chip selects */
94 *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0x0000001e; /* 2G at 0x0 */
95 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x80000000; /* disabled */
96 __asm__ volatile ("sync");
98 /* setup config registers */
99 *(vu_long *) MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
100 *(vu_long *) MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
101 __asm__ volatile ("sync");
104 *(vu_long *) MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
105 __asm__ volatile ("sync");
107 /* find RAM size using SDRAM CS0 only */
109 test1 = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE, 0x80000000);
111 test2 = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE, 0x80000000);
120 /* memory smaller than 1MB is impossible */
121 if (dramsize < (1 << 20)) {
125 /* set SDRAM CS0 size according to the amount of RAM found */
127 *(vu_long *) MPC5XXX_SDRAM_CS0CFG =
128 0x13 + __builtin_ffs(dramsize >> 20) - 1;
129 /* let SDRAM CS1 start right after CS0 */
130 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */
133 *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
134 /* let SDRAM CS1 start right after CS0 */
135 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */
137 *(vu_long *) MPC5XXX_SDRAM_CS0CFG =
138 0x13 + __builtin_ffs(0x08000000 >> 20) - 1;
139 /* let SDRAM CS1 start right after CS0 */
140 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x08000000 + 0x0000001e; /* 2G */
145 /* find RAM size using SDRAM CS1 only */
147 get_ram_size((ulong *) (CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000);
149 get_ram_size((ulong *) (CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000);
152 /* set SDRAM CS1 size according to the amount of RAM found */
154 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
162 puts("Board: esd ParaFinder (pf5200)\n");
166 void flash_preinit(void)
169 * Now, when we are in RAM, enable flash write
170 * access for detection process.
171 * Note that CS_BOOT cannot be cleared when
172 * executing in flash.
174 *(vu_long *) MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
177 void flash_afterinit(ulong size)
179 if (size == 0x02000000) {
181 *(vu_long *) MPC5XXX_BOOTCS_START =
182 *(vu_long *) MPC5XXX_CS0_START =
183 START_REG(CONFIG_SYS_BOOTCS_START | size);
184 *(vu_long *) MPC5XXX_BOOTCS_STOP =
185 *(vu_long *) MPC5XXX_CS0_STOP =
186 STOP_REG(CONFIG_SYS_BOOTCS_START | size, size);
191 static struct pci_controller hose;
193 extern void pci_mpc5xxx_init(struct pci_controller *);
195 void pci_init_board(void) {
196 pci_mpc5xxx_init(&hose);
200 #if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
202 void init_ide_reset(void)
204 debug("init_ide_reset\n");
206 /* Configure PSC1_4 as GPIO output for ATA reset */
207 *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
208 *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
211 void ide_set_reset(int idereset)
213 debug("ide_reset(%d)\n", idereset);
216 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
218 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
223 #define MPC5XXX_SIMPLEIO_GPIO_ENABLE (MPC5XXX_GPIO + 0x0004)
224 #define MPC5XXX_SIMPLEIO_GPIO_DIR (MPC5XXX_GPIO + 0x000C)
225 #define MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x0010)
226 #define MPC5XXX_SIMPLEIO_GPIO_DATA_INPUT (MPC5XXX_GPIO + 0x0014)
228 #define MPC5XXX_INTERRUPT_GPIO_ENABLE (MPC5XXX_GPIO + 0x0020)
229 #define MPC5XXX_INTERRUPT_GPIO_DIR (MPC5XXX_GPIO + 0x0028)
230 #define MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x002C)
231 #define MPC5XXX_INTERRUPT_GPIO_STATUS (MPC5XXX_GPIO + 0x003C)
233 #define GPIO_WU6 0x40000000UL
234 #define GPIO_USB0 0x00010000UL
235 #define GPIO_USB9 0x08000000UL
236 #define GPIO_USB9S 0x00080000UL
238 void init_power_switch(void)
240 debug("init_power_switch\n");
242 /* Configure GPIO_WU6 as GPIO output for ATA reset */
243 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_WU6;
244 *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_WU6;
245 *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_WU6;
246 __asm__ volatile ("sync");
248 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT &= ~GPIO_USB0;
249 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_ENABLE |= GPIO_USB0;
250 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DIR |= GPIO_USB0;
251 __asm__ volatile ("sync");
253 *(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
254 *(vu_long *) MPC5XXX_INTERRUPT_GPIO_ENABLE &= ~GPIO_USB9;
255 __asm__ volatile ("sync");
257 if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) == 0) {
258 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |= GPIO_USB0;
259 __asm__ volatile ("sync");
261 *(vu_char *) CONFIG_SYS_CS1_START = 0x02; /* Red Power LED on */
262 __asm__ volatile ("sync");
264 *(vu_char *) (CONFIG_SYS_CS1_START + 1) = 0x02; /* Disable driver for KB11 */
265 __asm__ volatile ("sync");
268 int board_eth_init(bd_t *bis)
270 return pci_eth_init(bis);
273 void power_set_reset(int power)
275 debug("ide_set_reset(%d)\n", power);
278 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_WU6;
279 *(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
281 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_WU6;
282 if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) ==
284 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |=
291 int do_poweroff(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
297 U_BOOT_CMD(poweroff, 1, 1, do_poweroff, "Switch off power", "");
299 int phypower(int flag)
306 dev = PCI_BDF(0, 0x18, 0);
307 status = pci_read_config_dword(dev, PCI_BASE_ADDRESS_1, &addr);
309 reg = (vu_long *) (addr + 0x00000040);
311 __asm__ volatile ("sync");
313 reg = (vu_long *) (addr + 0x001000c);
315 __asm__ volatile ("sync");
317 reg = (vu_long *) (addr + 0x0010004);
323 __asm__ volatile ("sync");
328 int do_phypower(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
332 if (argv[1][0] == '0') {
333 status = phypower(0);
335 status = phypower(1);
340 U_BOOT_CMD(phypower, 2, 2, do_phypower,
341 "Switch power of ethernet phy", "");
343 int do_writepci(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
348 volatile unsigned long *ptr;
350 addr = simple_strtol(argv[1], NULL, 16);
351 size = simple_strtol(argv[2], NULL, 16);
353 printf("\nWriting at addr %08x, size %08x.\n", addr, size);
356 ptr = (volatile unsigned long *)addr;
357 for (i = 0; i < (size >> 2); i++) {
361 /* Abort if ctrl-c was pressed */
371 U_BOOT_CMD(writepci, 3, 1, do_writepci,
372 "Write some data to pcibus",