static int nand_init(void)
{
u32 i, reg;
void __iomem *base;
#define M4IF_GENP_WEIM_MM_MASK 0x00000001
#define WEIM_GCR2_MUX16_BYP_GRANT_MASK 0x00001000
base = ioremap(MX53_BASE_ADDR(M4IF_BASE_ADDR), SZ_4K);
reg = __raw_readl(base + 0xc);
reg &= ~M4IF_GENP_WEIM_MM_MASK;
__raw_writel(reg, base + 0xc);
iounmap(base);
base = ioremap(MX53_BASE_ADDR(WEIM_BASE_ADDR), SZ_4K);
for (i = 0x4; i < 0x94; i += 0x18) {
reg = __raw_readl((u32)base + i);
reg &= ~WEIM_GCR2_MUX16_BYP_GRANT_MASK;
__raw_writel(reg, (u32)base + i);
}
iounmap(base);
return 0;
}
/* Config CS1 settings for ethernet controller */
static void weim_cs_config(void)
{
u32 reg;
void __iomem *weim_base, *iomuxc_base;
weim_base = ioremap(MX53_BASE_ADDR(WEIM_BASE_ADDR), SZ_4K);
iomuxc_base = ioremap(MX53_BASE_ADDR(IOMUXC_BASE_ADDR), SZ_4K);
/* CS1 timings for LAN9220 */
writel(0x20001, (weim_base + 0x18));
writel(0x0, (weim_base + 0x1C));
writel(0x16000202, (weim_base + 0x20));
writel(0x00000002, (weim_base + 0x24));
writel(0x16002082, (weim_base + 0x28));
writel(0x00000000, (weim_base + 0x2C));
writel(0x00000000, (weim_base + 0x90));
/* specify 64 MB on CS1 and CS0 on GPR1 */
reg = readl(iomuxc_base + 0x4);
reg &= ~0x3F;
reg |= 0x1B;
writel(reg, (iomuxc_base + 0x4));
iounmap(iomuxc_base);
iounmap(weim_base);
}
static void __init mx53_evk_timer_init(void)
{
struct clk *uart_clk;
mx53_clocks_init(32768, 24000000, 22579200, 24576000);
uart_clk = clk_get_sys("mxcintuart.0", NULL);
early_console_setup(MX53_BASE_ADDR(UART1_BASE_ADDR), uart_clk);
}
/*!
* This function resets IPU
*/
void mx5_ipu_reset(void)
{
u32 *reg;
u32 value;
reg = ioremap(MX53_BASE_ADDR(SRC_BASE_ADDR), PAGE_SIZE);
value = __raw_readl(reg);
value = value | 0x8;
__raw_writel(value, reg);
iounmap(reg);
}
void mx5_vpu_reset(void)
{
u32 reg;
void __iomem *src_base;
src_base = ioremap(MX53_BASE_ADDR(SRC_BASE_ADDR), PAGE_SIZE);
/* mask interrupt due to vpu passed reset */
reg = __raw_readl(src_base + 0x18);
reg |= 0x02;
__raw_writel(reg, src_base + 0x18);
reg = __raw_readl(src_base);
reg |= 0x5; /* warm reset vpu */
__raw_writel(reg, src_base);
while (__raw_readl(src_base) & 0x04)
;
iounmap(src_base);
}
static int __init post_cpu_init(void)
{
void __iomem *base;
unsigned int reg;
struct clk *gpcclk = clk_get(NULL, "gpc_dvfs_clk");
int iram_size = IRAM_SIZE;
if (!cpu_is_mx5())
return 0;
if (cpu_is_mx51()) {
mipi_hsc_disable();
#if defined(CONFIG_MXC_SECURITY_SCC) || defined(CONFIG_MXC_SECURITY_SCC_MODULE)
iram_size -= SCC_RAM_SIZE;
#endif
iram_init(MX51_IRAM_BASE_ADDR, iram_size);
} else {
iram_init(MX53_IRAM_BASE_ADDR, iram_size);
}
gpc_base = ioremap(MX53_BASE_ADDR(GPC_BASE_ADDR), SZ_4K);
ccm_base = ioremap(MX53_BASE_ADDR(CCM_BASE_ADDR), SZ_4K);
clk_enable(gpcclk);
/* Setup the number of clock cycles to wait for SRPG
* power up and power down requests.
*/
__raw_writel(0x010F0201, gpc_base + SRPG_ARM_PUPSCR);
__raw_writel(0x010F0201, gpc_base + SRPG_NEON_PUPSCR);
__raw_writel(0x00000008, gpc_base + SRPG_EMPGC0_PUPSCR);
__raw_writel(0x00000008, gpc_base + SRPG_EMPGC1_PUPSCR);
__raw_writel(0x01010101, gpc_base + SRPG_ARM_PDNSCR);
__raw_writel(0x01010101, gpc_base + SRPG_NEON_PDNSCR);
__raw_writel(0x00000018, gpc_base + SRPG_EMPGC0_PDNSCR);
__raw_writel(0x00000018, gpc_base + SRPG_EMPGC1_PDNSCR);
clk_disable(gpcclk);
clk_put(gpcclk);
/* Set ALP bits to 000. Set ALP_EN bit in Arm Memory Controller reg. */
arm_plat_base = ioremap(MX53_BASE_ADDR(ARM_BASE_ADDR), SZ_4K);
reg = 0x8;
__raw_writel(reg, arm_plat_base + CORTEXA8_PLAT_AMC);
base = ioremap(MX53_BASE_ADDR(AIPS1_BASE_ADDR), SZ_4K);
__raw_writel(0x0, base + 0x40);
__raw_writel(0x0, base + 0x44);
__raw_writel(0x0, base + 0x48);
__raw_writel(0x0, base + 0x4C);
reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
__raw_writel(reg, base + 0x50);
iounmap(base);
base = ioremap(MX53_BASE_ADDR(AIPS2_BASE_ADDR), SZ_4K);
__raw_writel(0x0, base + 0x40);
__raw_writel(0x0, base + 0x44);
__raw_writel(0x0, base + 0x48);
__raw_writel(0x0, base + 0x4C);
reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
__raw_writel(reg, base + 0x50);
iounmap(base);
if (cpu_is_mx51() || cpu_is_mx53()) {
/*Allow for automatic gating of the EMI internal clock.
* If this is done, emi_intr CCGR bits should be set to 11.
*/
base = ioremap(MX53_BASE_ADDR(M4IF_BASE_ADDR), SZ_4K);
reg = __raw_readl(base + 0x8c);
reg &= ~0x1;
__raw_writel(reg, base + 0x8c);
iounmap(base);
}
if (cpu_is_mx50())
init_ddr_settings();
return 0;
}