3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
8 * SPDX-License-Identifier: GPL-2.0+
12 * pf5200.c - main board support/init for the esd pf5200.
21 #include "mt46v16m16-75.h"
23 void init_power_switch(void);
25 static void sdram_start(int hi_addr)
27 long hi_addr_bit = hi_addr ? 0x01000000 : 0;
29 /* unlock mode register */
30 *(vu_long *) MPC5XXX_SDRAM_CTRL =
31 SDRAM_CONTROL | 0x80000000 | hi_addr_bit;
32 __asm__ volatile ("sync");
34 /* precharge all banks */
35 *(vu_long *) MPC5XXX_SDRAM_CTRL =
36 SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
37 __asm__ volatile ("sync");
39 /* set mode register: extended mode */
40 *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
41 __asm__ volatile ("sync");
43 /* set mode register: reset DLL */
44 *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
45 __asm__ volatile ("sync");
47 /* precharge all banks */
48 *(vu_long *) MPC5XXX_SDRAM_CTRL =
49 SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
50 __asm__ volatile ("sync");
53 *(vu_long *) MPC5XXX_SDRAM_CTRL =
54 SDRAM_CONTROL | 0x80000004 | hi_addr_bit;
55 __asm__ volatile ("sync");
57 /* set mode register */
58 *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE;
59 __asm__ volatile ("sync");
61 /* normal operation */
62 *(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
63 __asm__ volatile ("sync");
67 * ATTENTION: Although partially referenced initdram does NOT make real use
68 * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE
69 * is something else than 0x00000000.
72 phys_size_t initdram(int board_type)
77 /* setup SDRAM chip selects */
78 *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0x0000001e; /* 2G at 0x0 */
79 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x80000000; /* disabled */
80 __asm__ volatile ("sync");
82 /* setup config registers */
83 *(vu_long *) MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
84 *(vu_long *) MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
85 __asm__ volatile ("sync");
88 *(vu_long *) MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
89 __asm__ volatile ("sync");
91 /* find RAM size using SDRAM CS0 only */
93 test1 = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE, 0x80000000);
95 test2 = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE, 0x80000000);
104 /* memory smaller than 1MB is impossible */
105 if (dramsize < (1 << 20)) {
109 /* set SDRAM CS0 size according to the amount of RAM found */
111 *(vu_long *) MPC5XXX_SDRAM_CS0CFG =
112 0x13 + __builtin_ffs(dramsize >> 20) - 1;
113 /* let SDRAM CS1 start right after CS0 */
114 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */
117 *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
118 /* let SDRAM CS1 start right after CS0 */
119 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */
121 *(vu_long *) MPC5XXX_SDRAM_CS0CFG =
122 0x13 + __builtin_ffs(0x08000000 >> 20) - 1;
123 /* let SDRAM CS1 start right after CS0 */
124 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x08000000 + 0x0000001e; /* 2G */
129 /* find RAM size using SDRAM CS1 only */
131 get_ram_size((ulong *) (CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000);
133 get_ram_size((ulong *) (CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000);
136 /* set SDRAM CS1 size according to the amount of RAM found */
138 *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
146 puts("Board: esd ParaFinder (pf5200)\n");
150 void flash_preinit(void)
153 * Now, when we are in RAM, enable flash write
154 * access for detection process.
155 * Note that CS_BOOT cannot be cleared when
156 * executing in flash.
158 *(vu_long *) MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
161 void flash_afterinit(ulong size)
163 if (size == 0x02000000) {
165 *(vu_long *) MPC5XXX_BOOTCS_START =
166 *(vu_long *) MPC5XXX_CS0_START =
167 START_REG(CONFIG_SYS_BOOTCS_START | size);
168 *(vu_long *) MPC5XXX_BOOTCS_STOP =
169 *(vu_long *) MPC5XXX_CS0_STOP =
170 STOP_REG(CONFIG_SYS_BOOTCS_START | size, size);
175 static struct pci_controller hose;
177 extern void pci_mpc5xxx_init(struct pci_controller *);
179 void pci_init_board(void) {
180 pci_mpc5xxx_init(&hose);
184 #if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
186 void init_ide_reset(void)
188 debug("init_ide_reset\n");
190 /* Configure PSC1_4 as GPIO output for ATA reset */
191 *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
192 *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
195 void ide_set_reset(int idereset)
197 debug("ide_reset(%d)\n", idereset);
200 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
202 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
207 #define MPC5XXX_SIMPLEIO_GPIO_ENABLE (MPC5XXX_GPIO + 0x0004)
208 #define MPC5XXX_SIMPLEIO_GPIO_DIR (MPC5XXX_GPIO + 0x000C)
209 #define MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x0010)
210 #define MPC5XXX_SIMPLEIO_GPIO_DATA_INPUT (MPC5XXX_GPIO + 0x0014)
212 #define MPC5XXX_INTERRUPT_GPIO_ENABLE (MPC5XXX_GPIO + 0x0020)
213 #define MPC5XXX_INTERRUPT_GPIO_DIR (MPC5XXX_GPIO + 0x0028)
214 #define MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x002C)
215 #define MPC5XXX_INTERRUPT_GPIO_STATUS (MPC5XXX_GPIO + 0x003C)
217 #define GPIO_WU6 0x40000000UL
218 #define GPIO_USB0 0x00010000UL
219 #define GPIO_USB9 0x08000000UL
220 #define GPIO_USB9S 0x00080000UL
222 void init_power_switch(void)
224 debug("init_power_switch\n");
226 /* Configure GPIO_WU6 as GPIO output for ATA reset */
227 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_WU6;
228 *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_WU6;
229 *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_WU6;
230 __asm__ volatile ("sync");
232 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT &= ~GPIO_USB0;
233 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_ENABLE |= GPIO_USB0;
234 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DIR |= GPIO_USB0;
235 __asm__ volatile ("sync");
237 *(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
238 *(vu_long *) MPC5XXX_INTERRUPT_GPIO_ENABLE &= ~GPIO_USB9;
239 __asm__ volatile ("sync");
241 if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) == 0) {
242 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |= GPIO_USB0;
243 __asm__ volatile ("sync");
245 *(vu_char *) CONFIG_SYS_CS1_START = 0x02; /* Red Power LED on */
246 __asm__ volatile ("sync");
248 *(vu_char *) (CONFIG_SYS_CS1_START + 1) = 0x02; /* Disable driver for KB11 */
249 __asm__ volatile ("sync");
252 int board_eth_init(bd_t *bis)
254 return pci_eth_init(bis);
257 void power_set_reset(int power)
259 debug("ide_set_reset(%d)\n", power);
262 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_WU6;
263 *(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
265 *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_WU6;
266 if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) ==
268 *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |=
275 int do_poweroff(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
281 U_BOOT_CMD(poweroff, 1, 1, do_poweroff, "Switch off power", "");
283 int phypower(int flag)
290 dev = PCI_BDF(0, 0x18, 0);
291 status = pci_read_config_dword(dev, PCI_BASE_ADDRESS_1, &addr);
293 reg = (vu_long *) (addr + 0x00000040);
295 __asm__ volatile ("sync");
297 reg = (vu_long *) (addr + 0x001000c);
299 __asm__ volatile ("sync");
301 reg = (vu_long *) (addr + 0x0010004);
307 __asm__ volatile ("sync");
312 int do_phypower(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
314 if (argv[1][0] == '0')
322 U_BOOT_CMD(phypower, 2, 2, do_phypower,
323 "Switch power of ethernet phy", "");
325 int do_writepci(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
330 volatile unsigned long *ptr;
332 addr = simple_strtol(argv[1], NULL, 16);
333 size = simple_strtol(argv[2], NULL, 16);
335 printf("\nWriting at addr %08x, size %08x.\n", addr, size);
338 ptr = (volatile unsigned long *)addr;
339 for (i = 0; i < (size >> 2); i++) {
343 /* Abort if ctrl-c was pressed */
353 U_BOOT_CMD(writepci, 3, 1, do_writepci,
354 "Write some data to pcibus",