Commit e47e7650 authored by Oleg Dzhimiev's avatar Oleg Dzhimiev

nand spl support

parent 8220fd36
......@@ -40,9 +40,11 @@ config TARGET_ELPHEL393
endchoice
config SYS_BOARD
default "elphel393" if TARGET_ELPHEL393
default "zynq"
config SYS_VENDOR
default "elphel" if TARGET_ELPHEL393
default "xilinx"
config SYS_SOC
......
/*
* Copyright (c) 2013 Xilinx Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <malloc.h>
#include <asm/arch/hardware.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/clk.h>
#define SLCR_LOCK_MAGIC 0x767B
#define SLCR_UNLOCK_MAGIC 0xDF0D
#define SLCR_QSPI_ENABLE 0x02
#define SLCR_QSPI_ENABLE_MASK 0x03
#define SLCR_NAND_L2_SEL 0x10
#define SLCR_NAND_L2_SEL_MASK 0x1F
#define SLCR_USB_L1_SEL 0x04
#define SLCR_IDCODE_MASK 0x1F000
#define SLCR_IDCODE_SHIFT 12
/*
* zynq_slcr_mio_get_status - Get the status of MIO peripheral.
*
* @peri_name: Name of the peripheral for checking MIO status
* @get_pins: Pointer to array of get pin for this peripheral
* @num_pins: Number of pins for this peripheral
* @mask: Mask value
* @check_val: Required check value to get the status of periph
*/
struct zynq_slcr_mio_get_status {
const char *peri_name;
const int *get_pins;
int num_pins;
u32 mask;
u32 check_val;
};
static const int qspi0_pins[] = {
1, 2, 3, 4, 5, 6
};
static const int qspi1_cs_pin[] = {
0
};
static const int qspi1_pins[] = {
9, 10, 11, 12, 13
};
static const int qspi0_dio_pins[] = {
1, 2, 3, 6
};
static const int qspi1_cs_dio_pin[] = {
0
};
static const int qspi1_dio_pins[] = {
9, 10, 11
};
static const int nand8_pins[] = {
0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
};
static const int nand16_pins[] = {
16, 17, 18, 19, 20, 21, 22, 23
};
static const int usb0_pins[] = {
28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39
};
static const int usb1_pins[] = {
40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51
};
static const struct zynq_slcr_mio_get_status mio_periphs[] = {
{
"qspi0",
qspi0_pins,
ARRAY_SIZE(qspi0_pins),
SLCR_QSPI_ENABLE_MASK,
SLCR_QSPI_ENABLE,
},
{
"qspi1_cs",
qspi1_cs_pin,
ARRAY_SIZE(qspi1_cs_pin),
SLCR_QSPI_ENABLE_MASK,
SLCR_QSPI_ENABLE,
},
{
"qspi1",
qspi1_pins,
ARRAY_SIZE(qspi1_pins),
SLCR_QSPI_ENABLE_MASK,
SLCR_QSPI_ENABLE,
},
{
"qspi0_dio",
qspi0_dio_pins,
ARRAY_SIZE(qspi0_dio_pins),
SLCR_QSPI_ENABLE_MASK,
SLCR_QSPI_ENABLE,
},
{
"qspi1_cs_dio",
qspi1_cs_dio_pin,
ARRAY_SIZE(qspi1_cs_dio_pin),
SLCR_QSPI_ENABLE_MASK,
SLCR_QSPI_ENABLE,
},
{
"qspi1_dio",
qspi1_dio_pins,
ARRAY_SIZE(qspi1_dio_pins),
SLCR_QSPI_ENABLE_MASK,
SLCR_QSPI_ENABLE,
},
{
"nand8",
nand8_pins,
ARRAY_SIZE(nand8_pins),
SLCR_NAND_L2_SEL_MASK,
SLCR_NAND_L2_SEL,
},
{
"nand16",
nand16_pins,
ARRAY_SIZE(nand16_pins),
SLCR_NAND_L2_SEL_MASK,
SLCR_NAND_L2_SEL,
},
{
"usb0",
usb0_pins,
ARRAY_SIZE(usb0_pins),
SLCR_USB_L1_SEL,
SLCR_USB_L1_SEL,
},
{
"usb1",
usb1_pins,
ARRAY_SIZE(usb1_pins),
SLCR_USB_L1_SEL,
SLCR_USB_L1_SEL,
},
};
static int slcr_lock = 1; /* 1 means locked, 0 means unlocked */
void zynq_slcr_lock(void)
{
if (!slcr_lock) {
writel(SLCR_LOCK_MAGIC, &slcr_base->slcr_lock);
slcr_lock = 1;
}
}
void zynq_slcr_unlock(void)
{
if (slcr_lock) {
writel(SLCR_UNLOCK_MAGIC, &slcr_base->slcr_unlock);
slcr_lock = 0;
}
}
/* Reset the entire system */
void zynq_slcr_cpu_reset(void)
{
/*
* Unlock the SLCR then reset the system.
* Note that this seems to require raw i/o
* functions or there's a lockup?
*/
zynq_slcr_unlock();
/*
* Clear 0x0F000000 bits of reboot status register to workaround
* the FSBL not loading the bitstream after soft-reboot
* This is a temporary solution until we know more.
*/
clrbits_le32(&slcr_base->reboot_status, 0xF000000);
writel(1, &slcr_base->pss_rst_ctrl);
}
/* Setup clk for network */
void zynq_slcr_gem_clk_setup(u32 gem_id, unsigned long clk_rate)
{
int ret;
zynq_slcr_unlock();
if (gem_id > 1) {
printf("Non existing GEM id %d\n", gem_id);
goto out;
}
ret = zynq_clk_set_rate(gem0_clk + gem_id, clk_rate);
if (ret)
goto out;
if (gem_id) {
/* Configure GEM_RCLK_CTRL */
writel(1, &slcr_base->gem1_rclk_ctrl);
} else {
/* Configure GEM_RCLK_CTRL */
writel(1, &slcr_base->gem0_rclk_ctrl);
}
udelay(100000);
out:
zynq_slcr_lock();
}
void zynq_slcr_devcfg_disable(void)
{
u32 reg_val;
zynq_slcr_unlock();
/* Disable AXI interface by asserting FPGA resets */
writel(0xF, &slcr_base->fpga_rst_ctrl);
/* Disable Level shifters before setting PS-PL */
reg_val = readl(&slcr_base->lvl_shftr_en);
reg_val &= ~0xF;
writel(reg_val, &slcr_base->lvl_shftr_en);
/* Set Level Shifters DT618760 */
writel(0xA, &slcr_base->lvl_shftr_en);
zynq_slcr_lock();
}
void zynq_slcr_devcfg_enable(void)
{
zynq_slcr_unlock();
/* Set Level Shifters DT618760 */
writel(0xF, &slcr_base->lvl_shftr_en);
/* Enable AXI interface by de-asserting FPGA resets */
writel(0x0, &slcr_base->fpga_rst_ctrl);
zynq_slcr_lock();
}
u32 zynq_slcr_get_boot_mode(void)
{
/* Get the bootmode register value */
printf("\nBOOTMODE CODE is %d\n",(u32)readl(&slcr_base->boot_mode));
udelay(5000);
return readl(&slcr_base->boot_mode);
}
u32 zynq_slcr_get_idcode(void)
{
return (readl(&slcr_base->pss_idcode) & SLCR_IDCODE_MASK) >>
SLCR_IDCODE_SHIFT;
}
/*
* zynq_slcr_get_mio_pin_status - Get the MIO pin status of peripheral.
*
* @periph: Name of the peripheral
*
* Returns count to indicate the number of pins configured for the
* given @periph.
*/
int zynq_slcr_get_mio_pin_status(const char *periph)
{
const struct zynq_slcr_mio_get_status *mio_ptr;
int val, i, j;
int mio = 0;
for (i = 0; i < ARRAY_SIZE(mio_periphs); i++) {
if (strcmp(periph, mio_periphs[i].peri_name) == 0) {
mio_ptr = &mio_periphs[i];
for (j = 0; j < mio_ptr->num_pins; j++) {
val = readl(&slcr_base->mio_pin
[mio_ptr->get_pins[j]]);
if ((val & mio_ptr->mask) == mio_ptr->check_val)
mio++;
}
break;
}
}
return mio;
}
......@@ -5,7 +5,9 @@
*/
#include <common.h>
#include <asm/io.h>
#include <fdtdec.h>
#include <fpga.h>
#include <mmc.h>
#include <netdev.h>
#include <zynqpl.h>
#include <asm/arch/hardware.h>
......@@ -15,20 +17,22 @@ DECLARE_GLOBAL_DATA_PTR;
#if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
(defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
Xilinx_desc fpga;
static xilinx_desc fpga;
/* It can be done differently */
Xilinx_desc fpga010 = XILINX_XC7Z010_DESC(0x10);
Xilinx_desc fpga015 = XILINX_XC7Z015_DESC(0x15);
Xilinx_desc fpga020 = XILINX_XC7Z020_DESC(0x20);
Xilinx_desc fpga030 = XILINX_XC7Z030_DESC(0x30);
Xilinx_desc fpga045 = XILINX_XC7Z045_DESC(0x45);
Xilinx_desc fpga100 = XILINX_XC7Z100_DESC(0x100);
static xilinx_desc fpga010 = XILINX_XC7Z010_DESC(0x10);
static xilinx_desc fpga015 = XILINX_XC7Z015_DESC(0x15);
static xilinx_desc fpga020 = XILINX_XC7Z020_DESC(0x20);
static xilinx_desc fpga030 = XILINX_XC7Z030_DESC(0x30);
static xilinx_desc fpga035 = XILINX_XC7Z035_DESC(0x35);
static xilinx_desc fpga045 = XILINX_XC7Z045_DESC(0x45);
static xilinx_desc fpga100 = XILINX_XC7Z100_DESC(0x100);
#endif
int board_init(void)
{
#ifdef CONFIG_FPGA
#if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
(defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
u32 idcode;
idcode = zynq_slcr_get_idcode();
......@@ -46,6 +50,9 @@ int board_init(void)
case XILINX_ZYNQ_7030:
fpga = fpga030;
break;
case XILINX_ZYNQ_7035:
fpga = fpga035;
break;
case XILINX_ZYNQ_7045:
fpga = fpga045;
break;
......@@ -55,34 +62,27 @@ int board_init(void)
}
#endif
/* temporary hack to clear pending irqs before Linux as it
* will hang Linux
*/
writel(0x26d, 0xe0001014);
#if (defined(CONFIG_FPGA) && !defined(CONFIG_SPL_BUILD)) || \
(defined(CONFIG_SPL_FPGA_SUPPORT) && defined(CONFIG_SPL_BUILD))
fpga_init();
fpga_add(fpga_xilinx, &fpga);
#endif
return 0;
}
int board_late_init(void)
{
switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
case ZYNQ_BM_QSPI:
setenv("modeboot", "qspiboot");
break;
case ZYNQ_BM_NAND:
setenv("modeboot", "nandboot");
break;
case ZYNQ_BM_NOR:
setenv("modeboot", "norboot");
break;
case ZYNQ_BM_SD:
setenv("modeboot", "sdboot");
break;
case ZYNQ_BM_NAND:
setenv("modeboot", "nandboot");
break;
case ZYNQ_BM_JTAG:
setenv("modeboot", "jtagboot");
break;
......@@ -94,6 +94,14 @@ int board_late_init(void)
return 0;
}
#ifdef CONFIG_DISPLAY_BOARDINFO
int checkboard(void)
{
puts("Board: Elphel 10393\n");
return 0;
}
#endif
int board_eth_init(bd_t *bis)
{
u32 ret = 0;
......@@ -113,42 +121,33 @@ int board_eth_init(bd_t *bis)
# endif
ret |= xilinx_emaclite_initialize(bis, XILINX_EMACLITE_BASEADDR,
txpp, rxpp);
#endif
#if defined(CONFIG_ZYNQ_GEM)
# if defined(CONFIG_ZYNQ_GEM0)
ret |= zynq_gem_initialize(bis, ZYNQ_GEM_BASEADDR0,
CONFIG_ZYNQ_GEM_PHY_ADDR0, 0);
# endif
# if defined(CONFIG_ZYNQ_GEM1)
ret |= zynq_gem_initialize(bis, ZYNQ_GEM_BASEADDR1,
CONFIG_ZYNQ_GEM_PHY_ADDR1, 0);
# endif
#endif
return ret;
}
#ifdef CONFIG_CMD_MMC
int board_mmc_init(bd_t *bd)
{
int ret = 0;
#if defined(CONFIG_ZYNQ_SDHCI)
# if defined(CONFIG_ZYNQ_SDHCI0)
ret = zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR0);
# endif
# if defined(CONFIG_ZYNQ_SDHCI1)
ret |= zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR1);
# endif
#endif
return ret;
}
#endif
int dram_init(void)
{
#if CONFIG_IS_ENABLED(OF_CONTROL)
int node;
fdt_addr_t addr;
fdt_size_t size;
const void *blob = gd->fdt_blob;
node = fdt_node_offset_by_prop_value(blob, -1, "device_type",
"memory", 7);
if (node == -FDT_ERR_NOTFOUND) {
debug("ZYNQ DRAM: Can't get memory node\n");
return -1;
}
addr = fdtdec_get_addr_size(blob, node, "reg", &size);
if (addr == FDT_ADDR_T_NONE || size == 0) {
debug("ZYNQ DRAM: Can't get base address or size\n");
return -1;
}
gd->ram_size = size;
#else
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
#endif
zynq_ddrc_init();
return 0;
......
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