2 * Copyright (C) 2012 Renesas Solutions Corp.
4 * SPDX-License-Identifier: GPL-2.0+
9 #include <asm/processor.h>
12 #include <spi_flash.h>
16 puts("BOARD: SH7752 evaluation board (R0P7752C00000RZ)\n");
21 static void init_gpio(void)
23 struct gpio_regs *gpio = GPIO_BASE;
24 struct sermux_regs *sermux = SERMUX_BASE;
27 writew(0x0000, &gpio->pacr); /* GETHER */
28 writew(0x0001, &gpio->pbcr); /* INTC */
29 writew(0x0000, &gpio->pccr); /* PWMU, INTC */
30 writew(0xeaff, &gpio->pecr); /* GPIO */
31 writew(0x0000, &gpio->pfcr); /* WDT */
32 writew(0x0000, &gpio->phcr); /* SPI1 */
33 writew(0x0000, &gpio->picr); /* SDHI */
34 writew(0x0003, &gpio->pkcr); /* SerMux */
35 writew(0x0000, &gpio->plcr); /* SerMux */
36 writew(0x0000, &gpio->pmcr); /* RIIC */
37 writew(0x0000, &gpio->pncr); /* USB, SGPIO */
38 writew(0x0000, &gpio->pocr); /* SGPIO */
39 writew(0xd555, &gpio->pqcr); /* GPIO */
40 writew(0x0000, &gpio->prcr); /* RIIC */
41 writew(0x0000, &gpio->pscr); /* RIIC */
42 writeb(0x00, &gpio->pudr);
43 writew(0x5555, &gpio->pucr); /* Debug LED */
44 writew(0x0000, &gpio->pvcr); /* RSPI */
45 writew(0x0000, &gpio->pwcr); /* EVC */
46 writew(0x0000, &gpio->pxcr); /* LBSC */
47 writew(0x0000, &gpio->pycr); /* LBSC */
48 writew(0x0000, &gpio->pzcr); /* eMMC */
49 writew(0xfe00, &gpio->psel0);
50 writew(0xff00, &gpio->psel3);
51 writew(0x771f, &gpio->psel4);
52 writew(0x00ff, &gpio->psel6);
53 writew(0xfc00, &gpio->psel7);
55 writeb(0x10, &sermux->smr0); /* SMR0: SerMux mode 0 */
58 static void init_usb_phy(void)
60 struct usb_common_regs *common0 = USB0_COMMON_BASE;
61 struct usb_common_regs *common1 = USB1_COMMON_BASE;
62 struct usb0_phy_regs *phy = USB0_PHY_BASE;
63 struct usb1_port_regs *port = USB1_PORT_BASE;
64 struct usb1_alignment_regs *align = USB1_ALIGNMENT_BASE;
66 writew(0x0100, &phy->reset); /* set reset */
67 /* port0 = USB0, port1 = USB1 */
68 writew(0x0002, &phy->portsel);
69 writel(0x0001, &port->port1sel); /* port1 = Host */
70 writew(0x0111, &phy->reset); /* clear reset */
72 writew(0x4000, &common0->suspmode);
73 writew(0x4000, &common1->suspmode);
75 #if defined(__LITTLE_ENDIAN)
76 writel(0x00000000, &align->ehcidatac);
77 writel(0x00000000, &align->ohcidatac);
81 static void init_gether_mdio(void)
83 struct gpio_regs *gpio = GPIO_BASE;
85 writew(readw(&gpio->pgcr) | 0x0004, &gpio->pgcr);
86 writeb(readb(&gpio->pgdr) | 0x02, &gpio->pgdr); /* Use ET0-MDIO */
89 static void set_mac_to_sh_giga_eth_register(int channel, char *mac_string)
91 struct ether_mac_regs *ether;
95 eth_parse_enetaddr(mac_string, mac);
98 ether = GETHER0_MAC_BASE;
100 ether = GETHER1_MAC_BASE;
102 val = (mac[0] << 24) | (mac[1] << 16) | (mac[2] << 8) | mac[3];
103 writel(val, ðer->mahr);
104 val = (mac[4] << 8) | mac[5];
105 writel(val, ðer->malr);
108 /*****************************************************************
109 * This PMB must be set on this timing. The lowlevel_init is run on
110 * Area 0(phys 0x00000000), so we have to map it.
112 * The new PMB table is following:
113 * ent virt phys v sz c wt
114 * 0 0xa0000000 0x40000000 1 128M 0 1
115 * 1 0xa8000000 0x48000000 1 128M 0 1
116 * 2 0xb0000000 0x50000000 1 128M 0 1
117 * 3 0xb8000000 0x58000000 1 128M 0 1
118 * 4 0x80000000 0x40000000 1 128M 1 1
119 * 5 0x88000000 0x48000000 1 128M 1 1
120 * 6 0x90000000 0x50000000 1 128M 1 1
121 * 7 0x98000000 0x58000000 1 128M 1 1
123 static void set_pmb_on_board_init(void)
125 struct mmu_regs *mmu = MMU_BASE;
128 writel(0x00000004, &mmu->mmucr);
130 /* delete PMB for SPIBOOT */
131 writel(0, PMB_ADDR_BASE(0));
132 writel(0, PMB_DATA_BASE(0));
134 /* add PMB for SDRAM(0x40000000 - 0x47ffffff) */
135 /* ppn ub v s1 s0 c wt */
136 writel(mk_pmb_addr_val(0xa0), PMB_ADDR_BASE(0));
137 writel(mk_pmb_data_val(0x40, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(0));
138 writel(mk_pmb_addr_val(0xb0), PMB_ADDR_BASE(2));
139 writel(mk_pmb_data_val(0x50, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(2));
140 writel(mk_pmb_addr_val(0xb8), PMB_ADDR_BASE(3));
141 writel(mk_pmb_data_val(0x58, 1, 1, 1, 0, 0, 1), PMB_DATA_BASE(3));
142 writel(mk_pmb_addr_val(0x80), PMB_ADDR_BASE(4));
143 writel(mk_pmb_data_val(0x40, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(4));
144 writel(mk_pmb_addr_val(0x90), PMB_ADDR_BASE(6));
145 writel(mk_pmb_data_val(0x50, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(6));
146 writel(mk_pmb_addr_val(0x98), PMB_ADDR_BASE(7));
147 writel(mk_pmb_data_val(0x58, 0, 1, 1, 0, 1, 1), PMB_DATA_BASE(7));
153 set_pmb_on_board_init();
163 DECLARE_GLOBAL_DATA_PTR;
165 gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
166 gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
167 printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
172 int board_mmc_init(bd_t *bis)
174 struct gpio_regs *gpio = GPIO_BASE;
176 writew(readw(&gpio->pgcr) | 0x0040, &gpio->pgcr);
177 writeb(readb(&gpio->pgdr) & ~0x08, &gpio->pgdr); /* Reset */
179 writeb(readb(&gpio->pgdr) | 0x08, &gpio->pgdr); /* Release reset */
182 return mmcif_mmc_init();
185 static int get_sh_eth_mac_raw(unsigned char *buf, int size)
187 struct spi_flash *spi;
190 spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
192 printf("%s: spi_flash probe failed.\n", __func__);
196 ret = spi_flash_read(spi, SH7752EVB_ETHERNET_MAC_BASE, size, buf);
198 printf("%s: spi_flash read failed.\n", __func__);
207 static int get_sh_eth_mac(int channel, char *mac_string, unsigned char *buf)
209 memcpy(mac_string, &buf[channel * (SH7752EVB_ETHERNET_MAC_SIZE + 1)],
210 SH7752EVB_ETHERNET_MAC_SIZE);
211 mac_string[SH7752EVB_ETHERNET_MAC_SIZE] = 0x00; /* terminate */
216 static void init_ethernet_mac(void)
225 printf("%s: malloc failed.\n", __func__);
228 get_sh_eth_mac_raw(buf, 256);
230 /* Gigabit Ethernet */
231 for (i = 0; i < SH7752EVB_ETHERNET_NUM_CH; i++) {
232 get_sh_eth_mac(i, mac_string, buf);
234 setenv("ethaddr", mac_string);
236 sprintf(env_string, "eth%daddr", i);
237 setenv(env_string, mac_string);
239 set_mac_to_sh_giga_eth_register(i, mac_string);
245 int board_late_init(void)
252 int do_write_mac(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
255 char mac_string[256];
256 struct spi_flash *spi;
262 printf("%s: malloc failed.\n", __func__);
266 get_sh_eth_mac_raw(buf, 256);
268 /* print current MAC address */
269 for (i = 0; i < SH7752EVB_ETHERNET_NUM_CH; i++) {
270 get_sh_eth_mac(i, mac_string, buf);
271 printf("GETHERC ch%d = %s\n", i, mac_string);
278 memset(mac_string, 0xff, sizeof(mac_string));
279 sprintf(mac_string, "%s\t%s",
282 /* write MAC data to SPI rom */
283 spi = spi_flash_probe(0, 0, 1000000, SPI_MODE_3);
285 printf("%s: spi_flash probe failed.\n", __func__);
289 ret = spi_flash_erase(spi, SH7752EVB_ETHERNET_MAC_BASE_SPI,
290 SH7752EVB_SPI_SECTOR_SIZE);
292 printf("%s: spi_flash erase failed.\n", __func__);
296 ret = spi_flash_write(spi, SH7752EVB_ETHERNET_MAC_BASE_SPI,
297 sizeof(mac_string), mac_string);
299 printf("%s: spi_flash write failed.\n", __func__);
305 puts("The writing of the MAC address to SPI ROM was completed.\n");
311 write_mac, 3, 1, do_write_mac,
312 "write MAC address for GETHERC",
313 "[GETHERC ch0] [GETHERC ch1]\n"