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/* SPDX-License-Identifier: GPL-2.0-only */
#include <cbfs.h>
#include <string.h>
#include <soc/qupv3_config.h>
static struct elf_se_hdr *fw_list[SE_PROTOCOL_MAX];
void qupv3_se_fw_load_and_init(unsigned int bus, unsigned int protocol,
unsigned int mode)
{
uint32_t i;
uint32_t reg_value;
const uint8_t *cfg_idx_arr;
const uint32_t *cfg_val_arr;
const uint32_t *fw_val_arr;
struct elf_se_hdr *hdr;
struct qup_regs *regs = qup[bus].regs;
static const char * const filename[] = {
[SE_PROTOCOL_SPI] = "fallback/spi_fw",
[SE_PROTOCOL_UART] = "fallback/uart_fw",
[SE_PROTOCOL_I2C] = "fallback/i2c_fw",
};
if (protocol >= SE_PROTOCOL_MAX || !filename[protocol])
die("*ERROR* * INVALID PROTOCOL ***\n");
if (!fw_list[protocol]) {
fw_list[protocol] = cbfs_boot_map_with_leak(filename[protocol],
CBFS_TYPE_RAW, NULL);
if (!fw_list[protocol])
die("*ERROR* * cbfs_boot_map_with_leak failed ***\n");
}
hdr = fw_list[protocol];
assert(hdr->magic == SEFW_MAGIC_HEADER)
cfg_idx_arr = (const uint8_t *)hdr + hdr->cfg_idx_offset;
cfg_val_arr = (const uint32_t *)((uint8_t *)hdr + hdr->cfg_val_offset);
fw_val_arr = (const uint32_t *)((uint8_t *)hdr + hdr->fw_offset);
/* Unlock SE for FW loading */
write32(®s->se_geni_fw_multilock_protns, 0x0);
write32(®s->se_geni_fw_multilock_msa, 0x0);
/* First, ensure GENI FW is disabled */
write32(®s->geni_output_ctrl, 0x0);
clrbits_le32(®s->geni_dfs_if_cfg, GENI_DFS_IF_CFG_DFS_IF_EN_BMSK);
setbits_le32(®s->geni_cgc_ctrl, GENI_CGC_CTRL_PROG_RAM_SCLK_OFF_BMSK
| GENI_CGC_CTRL_PROG_RAM_HCLK_OFF_BMSK);
write32(®s->se_geni_clk_ctrl, 0x0);
clrbits_le32(®s->geni_cgc_ctrl, GENI_CGC_CTRL_PROG_RAM_SCLK_OFF_BMSK
| GENI_CGC_CTRL_PROG_RAM_HCLK_OFF_BMSK);
/* HPG section 3.1.7.1 */
if (protocol == SE_PROTOCOL_UART) {
/* To maintain Div=4 for QcLib, configure clock to 7372800Hz for sc7180 */
clock_configure_qup(bus, QUPV3_UART_SRC_HZ);
} else {
setbits_le32(®s->geni_dfs_if_cfg,
GENI_DFS_IF_CFG_DFS_IF_EN_BMSK);
/* configure clock dfsr */
clock_configure_dfsr(bus);
}
/* HPG section 3.1.7.2 */
/* No Init Required */
/* HPG section 3.1.7.3 */
write32(®s->dma_general_cfg,
DMA_GENERAL_CFG_AHB_SEC_SLV_CLK_CGC_ON_BMSK |
DMA_GENERAL_CFG_DMA_AHB_SLV_CLK_CGC_ON_BMSK |
DMA_GENERAL_CFG_DMA_TX_CLK_CGC_ON_BMSK |
DMA_GENERAL_CFG_DMA_RX_CLK_CGC_ON_BMSK);
write32(®s->geni_cgc_ctrl, DEFAULT_CGC_EN);
/* HPG section 3.1.7.4 */
write32(®s->geni_init_cfg_revision, hdr->cfg_version);
write32(®s->geni_s_init_cfg_revision, hdr->cfg_version);
assert(cfg_idx_arr[hdr->cfg_size_in_items - 1] * sizeof(uint32_t) <=
MAX_OFFSET_CFG_REG);
for (i = 0; i < hdr->cfg_size_in_items; i++) {
write32(®s->geni_cfg_reg0 + cfg_idx_arr[i],
cfg_val_arr[i]);
}
/* HPG section 3.1.7.9 */
/* non-UART configuration, UART driver can configure as desired for UART
*/
write32(®s->geni_rx_rfr_watermark_reg, FIFO_DEPTH - 2);
/* HPG section 3.1.7.5 */
/* Don't change any SPI polarity, client driver will handle this */
setbits_le32(®s->geni_output_ctrl, DEFAULT_IO_OUTPUT_CTRL_MSK);
/* HPG section 3.1.7.6 */
reg_value = read32(®s->geni_dma_mode_en);
if (mode == GSI) {
reg_value |= GENI_DMA_MODE_EN_GENI_DMA_MODE_EN_BMSK;
write32(®s->geni_dma_mode_en, reg_value);
write32(®s->se_irq_en, 0x0);
write32(®s->se_gsi_event_en, SE_GSI_EVENT_EN_BMSK);
} else if (mode == FIFO) {
reg_value &= ~GENI_DMA_MODE_EN_GENI_DMA_MODE_EN_BMSK;
write32(®s->geni_dma_mode_en, reg_value);
write32(®s->se_irq_en, SE_IRQ_EN_RMSK);
write32(®s->se_gsi_event_en, 0x0);
} else if (mode == CPU_DMA) {
reg_value |= GENI_DMA_MODE_EN_GENI_DMA_MODE_EN_BMSK;
write32(®s->geni_dma_mode_en, reg_value);
write32(®s->se_irq_en, SE_IRQ_EN_RMSK);
write32(®s->se_gsi_event_en, 0x0);
}
/* HPG section 3.1.7.7 */
write32(®s->geni_m_irq_enable,
M_COMMON_GENI_M_IRQ_EN);
reg_value = S_CMD_OVERRUN_EN | S_ILLEGAL_CMD_EN |
S_CMD_CANCEL_EN | S_CMD_ABORT_EN |
S_GP_IRQ_0_EN | S_GP_IRQ_1_EN |
S_GP_IRQ_2_EN | S_GP_IRQ_3_EN |
S_RX_FIFO_WR_ERR_EN | S_RX_FIFO_RD_ERR_EN;
write32(®s->geni_s_irq_enable, reg_value);
/* HPG section 3.1.7.8 */
/* GPI/DMA mode */
reg_value = DMA_TX_IRQ_EN_SET_RESET_DONE_EN_SET_BMSK |
DMA_TX_IRQ_EN_SET_SBE_EN_SET_BMSK |
DMA_TX_IRQ_EN_SET_DMA_DONE_EN_SET_BMSK;
write32(®s->dma_tx_irq_en_set, reg_value);
reg_value = DMA_RX_IRQ_EN_SET_FLUSH_DONE_EN_SET_BMSK |
DMA_RX_IRQ_EN_SET_RESET_DONE_EN_SET_BMSK |
DMA_RX_IRQ_EN_SET_SBE_EN_SET_BMSK |
DMA_RX_IRQ_EN_SET_DMA_DONE_EN_SET_BMSK;
write32(®s->dma_rx_irq_en_set, reg_value);
/* HPG section 3.1.7.10 */
reg_value = (hdr->serial_protocol << FW_REV_PROTOCOL_SHFT) |
(hdr->fw_version & 0xFF <<
FW_REV_VERSION_SHFT);
write32(®s->se_geni_fw_revision, reg_value);
reg_value =
(hdr->serial_protocol << FW_REV_PROTOCOL_SHFT) |
(hdr->fw_version & 0xFF <<
FW_REV_VERSION_SHFT);
write32(®s->se_s_fw_revision, reg_value);
assert(hdr->fw_size_in_items <= SIZE_GENI_FW_RAM);
memcpy((®s->se_geni_cfg_ramn), fw_val_arr,
hdr->fw_size_in_items * sizeof(uint32_t));
/* HPG section 3.1.7.12 */
write32(®s->geni_force_default_reg, 0x1);
setbits_le32(®s->geni_cgc_ctrl, GENI_CGC_CTRL_PROG_RAM_SCLK_OFF_BMSK
|GENI_CGC_CTRL_PROG_RAM_HCLK_OFF_BMSK);
setbits_le32(®s->se_geni_clk_ctrl, GENI_CLK_CTRL_SER_CLK_SEL_BMSK);
clrbits_le32(®s->geni_cgc_ctrl,
(GENI_CGC_CTRL_PROG_RAM_SCLK_OFF_BMSK |
GENI_CGC_CTRL_PROG_RAM_HCLK_OFF_BMSK));
/* HPG section 3.1.7.13 */
/* GSI/DMA mode */
setbits_le32(®s->se_dma_if_en, DMA_IF_EN_DMA_IF_EN_BMSK);
/* HPG section 3.1.7.14 */
reg_value = read32(®s->se_fifo_if_disable);
if ((mode == MIXED) || (mode == FIFO))
reg_value &= ~FIFO_IF_DISABLE;
else
reg_value |= FIFO_IF_DISABLE;
write32(®s->se_fifo_if_disable, reg_value);
write32(®s->se_geni_clk_ctrl, 0x1);
/* Lock SE from FW loading */
write32(®s->se_geni_fw_multilock_protns, 0x1);
write32(®s->se_geni_fw_multilock_msa, 0x1);
}
static void qup_common_init(int addr)
{
struct qupv3_common_reg *qupv3_common;
/* HPG section 3.1.2 */
qupv3_common = (struct qupv3_common_reg *)(uintptr_t) addr;
setbits32(&qupv3_common->qupv3_common_cfg_reg,
QUPV3_COMMON_CFG_FAST_SWITCH_TO_HIGH_DISABLE_BMSK);
/* HPG section 3.1.7.3 */
setbits32(&qupv3_common->qupv3_se_ahb_m_cfg_reg,
QUPV3_SE_AHB_M_CFG_AHB_M_CLK_CGC_ON_BMSK);
}
void qupv3_fw_init(void)
{
uint8_t i;
/* Turn on all QUP clocks */
for (i = 0; i < QUPV3_SE_MAX; i++)
clock_enable_qup(i);
qup_common_init(QUP_WRAP0_BASE);
qup_common_init(QUP_WRAP1_BASE);
}
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